Cheap Flights from Denver to San Francisco (DEN to SFO)

Discover more affordable routes and cheaper dates from Denver to San Francisco (DEN to SFO) within a date range.

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US$360

12:49pm - 2:38pm
Wed Apr 30th 2025

2h 49m
Denver (DEN) → San Francisco (SFO)

Direct

Wed Apr 30th 2025 Frontier Airlines · F9 1229 Depart at 12:49pm from Denver (DEN) Fly for 2h 49m Arrive at 2:38pm in San Francisco (SFO)

Book Flight
US$360

12:49pm - 2:38pm
Wed Apr 23rd 2025

2h 49m
Denver (DEN) → San Francisco (SFO)

Direct

Wed Apr 23rd 2025 Frontier Airlines · F9 1229 Depart at 12:49pm from Denver (DEN) Fly for 2h 49m Arrive at 2:38pm in San Francisco (SFO)

Book Flight
US$360

12:49pm - 2:38pm
Tue Apr 29th 2025

2h 49m
Denver (DEN) → San Francisco (SFO)

Direct

Tue Apr 29th 2025 Frontier Airlines · F9 1229 Depart at 12:49pm from Denver (DEN) Fly for 2h 49m Arrive at 2:38pm in San Francisco (SFO)

Book Flight
US$360

12:49pm - 2:38pm
Tue Apr 22nd 2025

2h 49m
Denver (DEN) → San Francisco (SFO)

Direct

Tue Apr 22nd 2025 Frontier Airlines · F9 1229 Depart at 12:49pm from Denver (DEN) Fly for 2h 49m Arrive at 2:38pm in San Francisco (SFO)

Book Flight
US$360

12:49pm - 2:44pm
Wed May 7th 2025

2h 55m
Denver (DEN) → San Francisco (SFO)

Direct

Wed May 7th 2025 Frontier Airlines · F9 1229 Depart at 12:49pm from Denver (DEN) Fly for 2h 55m Arrive at 2:44pm in San Francisco (SFO)

Book Flight
US$360

12:49pm - 2:44pm
Wed May 21st 2025

2h 55m
Denver (DEN) → San Francisco (SFO)

Direct

Wed May 21st 2025 Frontier Airlines · F9 1229 Depart at 12:49pm from Denver (DEN) Fly for 2h 55m Arrive at 2:44pm in San Francisco (SFO)

Book Flight
US$360

12:49pm - 2:44pm
Tue May 6th 2025

2h 55m
Denver (DEN) → San Francisco (SFO)

Direct

Tue May 6th 2025 Frontier Airlines · F9 1229 Depart at 12:49pm from Denver (DEN) Fly for 2h 55m Arrive at 2:44pm in San Francisco (SFO)

Book Flight
US$360

12:49pm - 2:44pm
Wed May 14th 2025

2h 55m
Denver (DEN) → San Francisco (SFO)

Direct

Wed May 14th 2025 Frontier Airlines · F9 1229 Depart at 12:49pm from Denver (DEN) Fly for 2h 55m Arrive at 2:44pm in San Francisco (SFO)

Book Flight
US$360

12:49pm - 2:44pm
Tue May 20th 2025

2h 55m
Denver (DEN) → San Francisco (SFO)

Direct

Tue May 20th 2025 Frontier Airlines · F9 1229 Depart at 12:49pm from Denver (DEN) Fly for 2h 55m Arrive at 2:44pm in San Francisco (SFO)

Book Flight
US$360

1:24pm - 3:20pm
Sat Apr 26th 2025

2h 56m
Denver (DEN) → San Francisco (SFO)

Direct

Sat Apr 26th 2025 Frontier Airlines · F9 1229 Depart at 1:24pm from Denver (DEN) Fly for 2h 56m Arrive at 3:20pm in San Francisco (SFO)

Book Flight
US$371

1:23pm - 3:14pm
Thu May 22nd 2025

2h 51m
Denver (DEN) → San Francisco (SFO)

Direct

Thu May 22nd 2025 Frontier Airlines · F9 1229 Depart at 1:23pm from Denver (DEN) Fly for 2h 51m Arrive at 3:14pm in San Francisco (SFO)

Book Flight
US$371

1:23pm - 3:14pm
Sat May 24th 2025

2h 51m
Denver (DEN) → San Francisco (SFO)

Direct

Sat May 24th 2025 Frontier Airlines · F9 1229 Depart at 1:23pm from Denver (DEN) Fly for 2h 51m Arrive at 3:14pm in San Francisco (SFO)

Book Flight
US$371

1:23pm - 3:17pm
Thu May 8th 2025

2h 54m
Denver (DEN) → San Francisco (SFO)

Direct

Thu May 8th 2025 Frontier Airlines · F9 1229 Depart at 1:23pm from Denver (DEN) Fly for 2h 54m Arrive at 3:17pm in San Francisco (SFO)

Book Flight
US$371

1:23pm - 3:17pm
Fri May 9th 2025

2h 54m
Denver (DEN) → San Francisco (SFO)

Direct

Fri May 9th 2025 Frontier Airlines · F9 1229 Depart at 1:23pm from Denver (DEN) Fly for 2h 54m Arrive at 3:17pm in San Francisco (SFO)

Book Flight
US$371

1:23pm - 3:17pm
Thu May 1st 2025

2h 54m
Denver (DEN) → San Francisco (SFO)

Direct

Thu May 1st 2025 Frontier Airlines · F9 1229 Depart at 1:23pm from Denver (DEN) Fly for 2h 54m Arrive at 3:17pm in San Francisco (SFO)

Book Flight
US$371

1:23pm - 3:17pm
Thu May 15th 2025

2h 54m
Denver (DEN) → San Francisco (SFO)

Direct

Thu May 15th 2025 Frontier Airlines · F9 1229 Depart at 1:23pm from Denver (DEN) Fly for 2h 54m Arrive at 3:17pm in San Francisco (SFO)

Book Flight
US$371

1:23pm - 3:17pm
Fri May 2nd 2025

2h 54m
Denver (DEN) → San Francisco (SFO)

Direct

Fri May 2nd 2025 Frontier Airlines · F9 1229 Depart at 1:23pm from Denver (DEN) Fly for 2h 54m Arrive at 3:17pm in San Francisco (SFO)

Book Flight
US$371

12:49pm - 2:44pm
Tue May 13th 2025

2h 55m
Denver (DEN) → San Francisco (SFO)

Direct

Tue May 13th 2025 Frontier Airlines · F9 1229 Depart at 12:49pm from Denver (DEN) Fly for 2h 55m Arrive at 2:44pm in San Francisco (SFO)

Book Flight
US$381

11:41am - 1:33pm
Tue Mar 25th 2025

2h 52m
Denver (DEN) → San Francisco (SFO)

Direct

Tue Mar 25th 2025 Frontier Airlines · F9 1093 Depart at 11:41am from Denver (DEN) Fly for 2h 52m Arrive at 1:33pm in San Francisco (SFO)

Book Flight
US$381

11:41am - 1:33pm
Wed Mar 19th 2025

2h 52m
Denver (DEN) → San Francisco (SFO)

Direct

Wed Mar 19th 2025 Frontier Airlines · F9 1093 Depart at 11:41am from Denver (DEN) Fly for 2h 52m Arrive at 1:33pm in San Francisco (SFO)

Book Flight
US$381

11:41am - 1:33pm
Tue Mar 18th 2025

2h 52m
Denver (DEN) → San Francisco (SFO)

Direct

Tue Mar 18th 2025 Frontier Airlines · F9 1093 Depart at 11:41am from Denver (DEN) Fly for 2h 52m Arrive at 1:33pm in San Francisco (SFO)

Book Flight
US$381

11:41am - 1:33pm
Wed Mar 26th 2025

2h 52m
Denver (DEN) → San Francisco (SFO)

Direct

Wed Mar 26th 2025 Frontier Airlines · F9 1093 Depart at 11:41am from Denver (DEN) Fly for 2h 52m Arrive at 1:33pm in San Francisco (SFO)

Book Flight
US$381

5:35am - 7:30am
Sat Apr 19th 2025

2h 55m
Denver (DEN) → San Francisco (SFO)

Direct

Sat Apr 19th 2025 Frontier Airlines · F9 1093 Depart at 5:35am from Denver (DEN) Fly for 2h 55m Arrive at 7:30am in San Francisco (SFO)

Book Flight
US$381

5:35am - 7:30am
Sat Apr 5th 2025

2h 55m
Denver (DEN) → San Francisco (SFO)

Direct

Sat Apr 5th 2025 Frontier Airlines · F9 1093 Depart at 5:35am from Denver (DEN) Fly for 2h 55m Arrive at 7:30am in San Francisco (SFO)

Book Flight
US$381

5:35am - 7:30am
Sat Apr 12th 2025

2h 55m
Denver (DEN) → San Francisco (SFO)

Direct

Sat Apr 12th 2025 Frontier Airlines · F9 1093 Depart at 5:35am from Denver (DEN) Fly for 2h 55m Arrive at 7:30am in San Francisco (SFO)

Book Flight
US$381

9:30am - 11:27am
Sat Mar 29th 2025

2h 57m
Denver (DEN) → San Francisco (SFO)

Direct

Sat Mar 29th 2025 Frontier Airlines · F9 1093 Depart at 9:30am from Denver (DEN) Fly for 2h 57m Arrive at 11:27am in San Francisco (SFO)

Book Flight
US$385.28

10:38pm - 12:31am
Sat May 10th 2025

2h 53m
Denver (DEN) → San Francisco (SFO)

Direct

Sat May 10th 2025 Frontier Airlines · F9 3439 Depart at 10:38pm from Denver (DEN) Fly for 2h 53m Arrive at 12:31am in San Francisco (SFO)

Book Flight
US$385.28

10:38pm - 12:31am
Sat May 3rd 2025

2h 53m
Denver (DEN) → San Francisco (SFO)

Direct

Sat May 3rd 2025 Frontier Airlines · F9 3439 Depart at 10:38pm from Denver (DEN) Fly for 2h 53m Arrive at 12:31am in San Francisco (SFO)

Book Flight
US$385.28

10:38pm - 12:31am
Wed May 21st 2025

2h 53m
Denver (DEN) → San Francisco (SFO)

Direct

Wed May 21st 2025 Frontier Airlines · F9 3439 Depart at 10:38pm from Denver (DEN) Fly for 2h 53m Arrive at 12:31am in San Francisco (SFO)

Book Flight
US$385.28

10:38pm - 12:31am
Sat May 17th 2025

2h 53m
Denver (DEN) → San Francisco (SFO)

Direct

Sat May 17th 2025 Frontier Airlines · F9 3439 Depart at 10:38pm from Denver (DEN) Fly for 2h 53m Arrive at 12:31am in San Francisco (SFO)

Book Flight
US$385.28

10:38pm - 12:31am
Wed May 7th 2025

2h 53m
Denver (DEN) → San Francisco (SFO)

Direct

Wed May 7th 2025 Frontier Airlines · F9 3439 Depart at 10:38pm from Denver (DEN) Fly for 2h 53m Arrive at 12:31am in San Francisco (SFO)

Book Flight
US$385.28

10:38pm - 12:31am
Wed May 14th 2025

2h 53m
Denver (DEN) → San Francisco (SFO)

Direct

Wed May 14th 2025 Frontier Airlines · F9 3439 Depart at 10:38pm from Denver (DEN) Fly for 2h 53m Arrive at 12:31am in San Francisco (SFO)

Book Flight
US$385.28

10:38pm - 12:31am
Tue May 13th 2025

2h 53m
Denver (DEN) → San Francisco (SFO)

Direct

Tue May 13th 2025 Frontier Airlines · F9 3439 Depart at 10:38pm from Denver (DEN) Fly for 2h 53m Arrive at 12:31am in San Francisco (SFO)

Book Flight
US$385.28

10:38pm - 12:31am
Tue May 6th 2025

2h 53m
Denver (DEN) → San Francisco (SFO)

Direct

Tue May 6th 2025 Frontier Airlines · F9 3439 Depart at 10:38pm from Denver (DEN) Fly for 2h 53m Arrive at 12:31am in San Francisco (SFO)

Book Flight
US$385.28

10:38pm - 12:31am
Tue May 20th 2025

2h 53m
Denver (DEN) → San Francisco (SFO)

Direct

Tue May 20th 2025 Frontier Airlines · F9 3439 Depart at 10:38pm from Denver (DEN) Fly for 2h 53m Arrive at 12:31am in San Francisco (SFO)

Book Flight
US$385.28

10:49pm - 12:43am
Wed Mar 19th 2025

2h 54m
Denver (DEN) → San Francisco (SFO)

Direct

Wed Mar 19th 2025 Frontier Airlines · F9 3439 Depart at 10:49pm from Denver (DEN) Fly for 2h 54m Arrive at 12:43am in San Francisco (SFO)

Book Flight
US$385.28

10:49pm - 12:43am
Tue Mar 18th 2025

2h 54m
Denver (DEN) → San Francisco (SFO)

Direct

Tue Mar 18th 2025 Frontier Airlines · F9 3439 Depart at 10:49pm from Denver (DEN) Fly for 2h 54m Arrive at 12:43am in San Francisco (SFO)

Book Flight
US$385.28

10:49pm - 12:43am
Wed Mar 26th 2025

2h 54m
Denver (DEN) → San Francisco (SFO)

Direct

Wed Mar 26th 2025 Frontier Airlines · F9 3439 Depart at 10:49pm from Denver (DEN) Fly for 2h 54m Arrive at 12:43am in San Francisco (SFO)

Book Flight
US$385.28

10:49pm - 12:43am
Sat Mar 29th 2025

2h 54m
Denver (DEN) → San Francisco (SFO)

Direct

Sat Mar 29th 2025 Frontier Airlines · F9 3439 Depart at 10:49pm from Denver (DEN) Fly for 2h 54m Arrive at 12:43am in San Francisco (SFO)

Book Flight
US$385.28

10:49pm - 12:43am
Tue Mar 25th 2025

2h 54m
Denver (DEN) → San Francisco (SFO)

Direct

Tue Mar 25th 2025 Frontier Airlines · F9 3439 Depart at 10:49pm from Denver (DEN) Fly for 2h 54m Arrive at 12:43am in San Francisco (SFO)

Book Flight
US$385.28

10:49pm - 12:43am
Sat Mar 22nd 2025

2h 54m
Denver (DEN) → San Francisco (SFO)

Direct

Sat Mar 22nd 2025 Frontier Airlines · F9 3439 Depart at 10:49pm from Denver (DEN) Fly for 2h 54m Arrive at 12:43am in San Francisco (SFO)

Book Flight
US$385.28

10:38pm - 12:33am
Sat Apr 26th 2025

2h 55m
Denver (DEN) → San Francisco (SFO)

Direct

Sat Apr 26th 2025 Frontier Airlines · F9 3439 Depart at 10:38pm from Denver (DEN) Fly for 2h 55m Arrive at 12:33am in San Francisco (SFO)

Book Flight
US$385.28

10:38pm - 12:33am
Tue Apr 22nd 2025

2h 55m
Denver (DEN) → San Francisco (SFO)

Direct

Tue Apr 22nd 2025 Frontier Airlines · F9 3439 Depart at 10:38pm from Denver (DEN) Fly for 2h 55m Arrive at 12:33am in San Francisco (SFO)

Book Flight
US$385.28

10:49pm - 12:44am
Wed Apr 9th 2025

2h 55m
Denver (DEN) → San Francisco (SFO)

Direct

Wed Apr 9th 2025 Frontier Airlines · F9 3439 Depart at 10:49pm from Denver (DEN) Fly for 2h 55m Arrive at 12:44am in San Francisco (SFO)

Book Flight
US$385.28

10:38pm - 12:33am
Wed Apr 30th 2025

2h 55m
Denver (DEN) → San Francisco (SFO)

Direct

Wed Apr 30th 2025 Frontier Airlines · F9 3439 Depart at 10:38pm from Denver (DEN) Fly for 2h 55m Arrive at 12:33am in San Francisco (SFO)

Book Flight
US$385.28

10:49pm - 12:44am
Tue Apr 15th 2025

2h 55m
Denver (DEN) → San Francisco (SFO)

Direct

Tue Apr 15th 2025 Frontier Airlines · F9 3439 Depart at 10:49pm from Denver (DEN) Fly for 2h 55m Arrive at 12:44am in San Francisco (SFO)

Book Flight
US$385.28

10:49pm - 12:44am
Tue Apr 1st 2025

2h 55m
Denver (DEN) → San Francisco (SFO)

Direct

Tue Apr 1st 2025 Frontier Airlines · F9 3439 Depart at 10:49pm from Denver (DEN) Fly for 2h 55m Arrive at 12:44am in San Francisco (SFO)

Book Flight
US$385.28

10:49pm - 12:44am
Wed Apr 2nd 2025

2h 55m
Denver (DEN) → San Francisco (SFO)

Direct

Wed Apr 2nd 2025 Frontier Airlines · F9 3439 Depart at 10:49pm from Denver (DEN) Fly for 2h 55m Arrive at 12:44am in San Francisco (SFO)

Book Flight
US$385.28

10:49pm - 12:44am
Wed Apr 16th 2025

2h 55m
Denver (DEN) → San Francisco (SFO)

Direct

Wed Apr 16th 2025 Frontier Airlines · F9 3439 Depart at 10:49pm from Denver (DEN) Fly for 2h 55m Arrive at 12:44am in San Francisco (SFO)

Book Flight
US$385.28

10:49pm - 12:44am
Sat Apr 19th 2025

2h 55m
Denver (DEN) → San Francisco (SFO)

Direct

Sat Apr 19th 2025 Frontier Airlines · F9 3439 Depart at 10:49pm from Denver (DEN) Fly for 2h 55m Arrive at 12:44am in San Francisco (SFO)

Book Flight
US$385.28

10:38pm - 12:33am
Wed Apr 23rd 2025

2h 55m
Denver (DEN) → San Francisco (SFO)

Direct

Wed Apr 23rd 2025 Frontier Airlines · F9 3439 Depart at 10:38pm from Denver (DEN) Fly for 2h 55m Arrive at 12:33am in San Francisco (SFO)

Book Flight
US$385.28

10:49pm - 12:44am
Tue Apr 8th 2025

2h 55m
Denver (DEN) → San Francisco (SFO)

Direct

Tue Apr 8th 2025 Frontier Airlines · F9 3439 Depart at 10:49pm from Denver (DEN) Fly for 2h 55m Arrive at 12:44am in San Francisco (SFO)

Book Flight
US$385.28

10:38pm - 12:33am
Tue Apr 29th 2025

2h 55m
Denver (DEN) → San Francisco (SFO)

Direct

Tue Apr 29th 2025 Frontier Airlines · F9 3439 Depart at 10:38pm from Denver (DEN) Fly for 2h 55m Arrive at 12:33am in San Francisco (SFO)

Book Flight
US$385.28

10:38pm - 12:33am
Sat May 24th 2025

2h 55m
Denver (DEN) → San Francisco (SFO)

Direct

Sat May 24th 2025 Frontier Airlines · F9 3439 Depart at 10:38pm from Denver (DEN) Fly for 2h 55m Arrive at 12:33am in San Francisco (SFO)

Book Flight
US$392

11:41am - 1:33pm
Thu Mar 27th 2025

2h 52m
Denver (DEN) → San Francisco (SFO)

Direct

Thu Mar 27th 2025 Frontier Airlines · F9 1093 Depart at 11:41am from Denver (DEN) Fly for 2h 52m Arrive at 1:33pm in San Francisco (SFO)

Book Flight
US$392

11:41am - 1:33pm
Fri Mar 28th 2025

2h 52m
Denver (DEN) → San Francisco (SFO)

Direct

Fri Mar 28th 2025 Frontier Airlines · F9 1093 Depart at 11:41am from Denver (DEN) Fly for 2h 52m Arrive at 1:33pm in San Francisco (SFO)

Book Flight
US$392

11:41am - 1:33pm
Sun Mar 30th 2025

2h 52m
Denver (DEN) → San Francisco (SFO)

Direct

Sun Mar 30th 2025 Frontier Airlines · F9 1093 Depart at 11:41am from Denver (DEN) Fly for 2h 52m Arrive at 1:33pm in San Francisco (SFO)

Book Flight
US$392

11:41am - 1:33pm
Mon Mar 24th 2025

2h 52m
Denver (DEN) → San Francisco (SFO)

Direct

Mon Mar 24th 2025 Frontier Airlines · F9 1093 Depart at 11:41am from Denver (DEN) Fly for 2h 52m Arrive at 1:33pm in San Francisco (SFO)

Book Flight
US$392

11:41am - 1:33pm
Mon Mar 31st 2025

2h 52m
Denver (DEN) → San Francisco (SFO)

Direct

Mon Mar 31st 2025 Frontier Airlines · F9 1093 Depart at 11:41am from Denver (DEN) Fly for 2h 52m Arrive at 1:33pm in San Francisco (SFO)

Book Flight
US$392

11:41am - 1:33pm
Tue Mar 11th 2025

2h 52m
Denver (DEN) → San Francisco (SFO)

Direct

Tue Mar 11th 2025 Frontier Airlines · F9 1093 Depart at 11:41am from Denver (DEN) Fly for 2h 52m Arrive at 1:33pm in San Francisco (SFO)

Book Flight
US$392

11:41am - 1:33pm
Wed Mar 12th 2025

2h 52m
Denver (DEN) → San Francisco (SFO)

Direct

Wed Mar 12th 2025 Frontier Airlines · F9 1093 Depart at 11:41am from Denver (DEN) Fly for 2h 52m Arrive at 1:33pm in San Francisco (SFO)

Book Flight
US$392

7:06am - 9:02am
Thu Apr 3rd 2025

2h 56m
Denver (DEN) → San Francisco (SFO)

Direct

Thu Apr 3rd 2025 Frontier Airlines · F9 1093 Depart at 7:06am from Denver (DEN) Fly for 2h 56m Arrive at 9:02am in San Francisco (SFO)

Book Flight
US$392

7:06am - 9:02am
Sun Apr 20th 2025

2h 56m
Denver (DEN) → San Francisco (SFO)

Direct

Sun Apr 20th 2025 Frontier Airlines · F9 1093 Depart at 7:06am from Denver (DEN) Fly for 2h 56m Arrive at 9:02am in San Francisco (SFO)

Book Flight
US$392

7:06am - 9:02am
Sun Apr 6th 2025

2h 56m
Denver (DEN) → San Francisco (SFO)

Direct

Sun Apr 6th 2025 Frontier Airlines · F9 1093 Depart at 7:06am from Denver (DEN) Fly for 2h 56m Arrive at 9:02am in San Francisco (SFO)

Book Flight
US$392

7:06am - 9:02am
Thu Apr 10th 2025

2h 56m
Denver (DEN) → San Francisco (SFO)

Direct

Thu Apr 10th 2025 Frontier Airlines · F9 1093 Depart at 7:06am from Denver (DEN) Fly for 2h 56m Arrive at 9:02am in San Francisco (SFO)

Book Flight
US$392

7:06am - 9:02am
Sun Apr 13th 2025

2h 56m
Denver (DEN) → San Francisco (SFO)

Direct

Sun Apr 13th 2025 Frontier Airlines · F9 1093 Depart at 7:06am from Denver (DEN) Fly for 2h 56m Arrive at 9:02am in San Francisco (SFO)

Book Flight
US$392

7:06am - 9:02am
Thu Apr 17th 2025

2h 56m
Denver (DEN) → San Francisco (SFO)

Direct

Thu Apr 17th 2025 Frontier Airlines · F9 1093 Depart at 7:06am from Denver (DEN) Fly for 2h 56m Arrive at 9:02am in San Francisco (SFO)

Book Flight
US$392

11:02am - 12:59pm
Fri Apr 4th 2025

2h 57m
Denver (DEN) → San Francisco (SFO)

Direct

Fri Apr 4th 2025 Frontier Airlines · F9 1093 Depart at 11:02am from Denver (DEN) Fly for 2h 57m Arrive at 12:59pm in San Francisco (SFO)

Book Flight
US$392

11:02am - 12:59pm
Fri Apr 18th 2025

2h 57m
Denver (DEN) → San Francisco (SFO)

Direct

Fri Apr 18th 2025 Frontier Airlines · F9 1093 Depart at 11:02am from Denver (DEN) Fly for 2h 57m Arrive at 12:59pm in San Francisco (SFO)

Book Flight
US$392

11:02am - 12:59pm
Fri Apr 11th 2025

2h 57m
Denver (DEN) → San Francisco (SFO)

Direct

Fri Apr 11th 2025 Frontier Airlines · F9 1093 Depart at 11:02am from Denver (DEN) Fly for 2h 57m Arrive at 12:59pm in San Francisco (SFO)

Book Flight
US$392

11:43am - 1:40pm
Mon Apr 7th 2025

2h 57m
Denver (DEN) → San Francisco (SFO)

Direct

Mon Apr 7th 2025 Frontier Airlines · F9 1093 Depart at 11:43am from Denver (DEN) Fly for 2h 57m Arrive at 1:40pm in San Francisco (SFO)

Book Flight
US$396.28

10:38pm - 12:31am
Thu May 8th 2025

2h 53m
Denver (DEN) → San Francisco (SFO)

Direct

Thu May 8th 2025 Frontier Airlines · F9 3439 Depart at 10:38pm from Denver (DEN) Fly for 2h 53m Arrive at 12:31am in San Francisco (SFO)

Book Flight
US$396.28

10:38pm - 12:31am
Fri May 16th 2025

2h 53m
Denver (DEN) → San Francisco (SFO)

Direct

Fri May 16th 2025 Frontier Airlines · F9 3439 Depart at 10:38pm from Denver (DEN) Fly for 2h 53m Arrive at 12:31am in San Francisco (SFO)

Book Flight
US$396.28

10:38pm - 12:31am
Fri May 9th 2025

2h 53m
Denver (DEN) → San Francisco (SFO)

Direct

Fri May 9th 2025 Frontier Airlines · F9 3439 Depart at 10:38pm from Denver (DEN) Fly for 2h 53m Arrive at 12:31am in San Francisco (SFO)

Book Flight
US$396.28

10:38pm - 12:31am
Thu May 1st 2025

2h 53m
Denver (DEN) → San Francisco (SFO)

Direct

Thu May 1st 2025 Frontier Airlines · F9 3439 Depart at 10:38pm from Denver (DEN) Fly for 2h 53m Arrive at 12:31am in San Francisco (SFO)

Book Flight
US$396.28

10:38pm - 12:31am
Sun May 18th 2025

2h 53m
Denver (DEN) → San Francisco (SFO)

Direct

Sun May 18th 2025 Frontier Airlines · F9 3439 Depart at 10:38pm from Denver (DEN) Fly for 2h 53m Arrive at 12:31am in San Francisco (SFO)

Book Flight
US$396.28

10:38pm - 12:31am
Mon May 19th 2025

2h 53m
Denver (DEN) → San Francisco (SFO)

Direct

Mon May 19th 2025 Frontier Airlines · F9 3439 Depart at 10:38pm from Denver (DEN) Fly for 2h 53m Arrive at 12:31am in San Francisco (SFO)

Book Flight
US$396.28

10:38pm - 12:31am
Fri May 2nd 2025

2h 53m
Denver (DEN) → San Francisco (SFO)

Direct

Fri May 2nd 2025 Frontier Airlines · F9 3439 Depart at 10:38pm from Denver (DEN) Fly for 2h 53m Arrive at 12:31am in San Francisco (SFO)

Book Flight
US$396.28

10:38pm - 12:31am
Mon May 5th 2025

2h 53m
Denver (DEN) → San Francisco (SFO)

Direct

Mon May 5th 2025 Frontier Airlines · F9 3439 Depart at 10:38pm from Denver (DEN) Fly for 2h 53m Arrive at 12:31am in San Francisco (SFO)

Book Flight
US$396.28

10:38pm - 12:31am
Sun May 4th 2025

2h 53m
Denver (DEN) → San Francisco (SFO)

Direct

Sun May 4th 2025 Frontier Airlines · F9 3439 Depart at 10:38pm from Denver (DEN) Fly for 2h 53m Arrive at 12:31am in San Francisco (SFO)

Book Flight
US$396.28

10:38pm - 12:31am
Thu May 15th 2025

2h 53m
Denver (DEN) → San Francisco (SFO)

Direct

Thu May 15th 2025 Frontier Airlines · F9 3439 Depart at 10:38pm from Denver (DEN) Fly for 2h 53m Arrive at 12:31am in San Francisco (SFO)

Book Flight
US$396.28

10:49pm - 12:43am
Fri Mar 28th 2025

2h 54m
Denver (DEN) → San Francisco (SFO)

Direct

Fri Mar 28th 2025 Frontier Airlines · F9 3439 Depart at 10:49pm from Denver (DEN) Fly for 2h 54m Arrive at 12:43am in San Francisco (SFO)

Book Flight
US$396.28

10:49pm - 12:43am
Thu Mar 27th 2025

2h 54m
Denver (DEN) → San Francisco (SFO)

Direct

Thu Mar 27th 2025 Frontier Airlines · F9 3439 Depart at 10:49pm from Denver (DEN) Fly for 2h 54m Arrive at 12:43am in San Francisco (SFO)

Book Flight
US$396.28

10:49pm - 12:43am
Mon Mar 24th 2025

2h 54m
Denver (DEN) → San Francisco (SFO)

Direct

Mon Mar 24th 2025 Frontier Airlines · F9 3439 Depart at 10:49pm from Denver (DEN) Fly for 2h 54m Arrive at 12:43am in San Francisco (SFO)

Book Flight
US$396.28

10:49pm - 12:43am
Sun Mar 23rd 2025

2h 54m
Denver (DEN) → San Francisco (SFO)

Direct

Sun Mar 23rd 2025 Frontier Airlines · F9 3439 Depart at 10:49pm from Denver (DEN) Fly for 2h 54m Arrive at 12:43am in San Francisco (SFO)

Book Flight
US$396.28

10:49pm - 12:43am
Sun Mar 30th 2025

2h 54m
Denver (DEN) → San Francisco (SFO)

Direct

Sun Mar 30th 2025 Frontier Airlines · F9 3439 Depart at 10:49pm from Denver (DEN) Fly for 2h 54m Arrive at 12:43am in San Francisco (SFO)

Book Flight
US$396.28

10:49pm - 12:43am
Wed Mar 12th 2025

2h 54m
Denver (DEN) → San Francisco (SFO)

Direct

Wed Mar 12th 2025 Frontier Airlines · F9 3439 Depart at 10:49pm from Denver (DEN) Fly for 2h 54m Arrive at 12:43am in San Francisco (SFO)

Book Flight
US$396.28

10:49pm - 12:43am
Tue Mar 11th 2025

2h 54m
Denver (DEN) → San Francisco (SFO)

Direct

Tue Mar 11th 2025 Frontier Airlines · F9 3439 Depart at 10:49pm from Denver (DEN) Fly for 2h 54m Arrive at 12:43am in San Francisco (SFO)

Book Flight
US$396.28

10:49pm - 12:43am
Mon Mar 31st 2025

2h 54m
Denver (DEN) → San Francisco (SFO)

Direct

Mon Mar 31st 2025 Frontier Airlines · F9 3439 Depart at 10:49pm from Denver (DEN) Fly for 2h 54m Arrive at 12:43am in San Francisco (SFO)

Book Flight
US$396.28

10:49pm - 12:43am
Thu Mar 20th 2025

2h 54m
Denver (DEN) → San Francisco (SFO)

Direct

Thu Mar 20th 2025 Frontier Airlines · F9 3439 Depart at 10:49pm from Denver (DEN) Fly for 2h 54m Arrive at 12:43am in San Francisco (SFO)

Book Flight
US$396.28

10:49pm - 12:43am
Fri Mar 21st 2025

2h 54m
Denver (DEN) → San Francisco (SFO)

Direct

Fri Mar 21st 2025 Frontier Airlines · F9 3439 Depart at 10:49pm from Denver (DEN) Fly for 2h 54m Arrive at 12:43am in San Francisco (SFO)

Book Flight
US$396.28

10:49pm - 12:44am
Thu Apr 3rd 2025

2h 55m
Denver (DEN) → San Francisco (SFO)

Direct

Thu Apr 3rd 2025 Frontier Airlines · F9 3439 Depart at 10:49pm from Denver (DEN) Fly for 2h 55m Arrive at 12:44am in San Francisco (SFO)

Book Flight
US$396.28

10:49pm - 12:44am
Mon Apr 21st 2025

2h 55m
Denver (DEN) → San Francisco (SFO)

Direct

Mon Apr 21st 2025 Frontier Airlines · F9 3439 Depart at 10:49pm from Denver (DEN) Fly for 2h 55m Arrive at 12:44am in San Francisco (SFO)

Book Flight
US$396.28

10:38pm - 12:33am
Fri May 23rd 2025

2h 55m
Denver (DEN) → San Francisco (SFO)

Direct

Fri May 23rd 2025 Frontier Airlines · F9 3439 Depart at 10:38pm from Denver (DEN) Fly for 2h 55m Arrive at 12:33am in San Francisco (SFO)

Book Flight
US$396.28

10:38pm - 12:33am
Thu May 22nd 2025

2h 55m
Denver (DEN) → San Francisco (SFO)

Direct

Thu May 22nd 2025 Frontier Airlines · F9 3439 Depart at 10:38pm from Denver (DEN) Fly for 2h 55m Arrive at 12:33am in San Francisco (SFO)

Book Flight
US$396.28

10:49pm - 12:44am
Fri Apr 4th 2025

2h 55m
Denver (DEN) → San Francisco (SFO)

Direct

Fri Apr 4th 2025 Frontier Airlines · F9 3439 Depart at 10:49pm from Denver (DEN) Fly for 2h 55m Arrive at 12:44am in San Francisco (SFO)

Book Flight
US$396.28

10:38pm - 12:33am
Fri Apr 25th 2025

2h 55m
Denver (DEN) → San Francisco (SFO)

Direct

Fri Apr 25th 2025 Frontier Airlines · F9 3439 Depart at 10:38pm from Denver (DEN) Fly for 2h 55m Arrive at 12:33am in San Francisco (SFO)

Book Flight
US$396.28

10:49pm - 12:44am
Sun Apr 20th 2025

2h 55m
Denver (DEN) → San Francisco (SFO)

Direct

Sun Apr 20th 2025 Frontier Airlines · F9 3439 Depart at 10:49pm from Denver (DEN) Fly for 2h 55m Arrive at 12:44am in San Francisco (SFO)

Book Flight
US$396.28

10:38pm - 12:33am
Thu Apr 24th 2025

2h 55m
Denver (DEN) → San Francisco (SFO)

Direct

Thu Apr 24th 2025 Frontier Airlines · F9 3439 Depart at 10:38pm from Denver (DEN) Fly for 2h 55m Arrive at 12:33am in San Francisco (SFO)

Book Flight
US$434

11:41am - 1:33pm
Wed Mar 5th 2025

2h 52m
Denver (DEN) → San Francisco (SFO)

Direct

Wed Mar 5th 2025 Frontier Airlines · F9 1093 Depart at 11:41am from Denver (DEN) Fly for 2h 52m Arrive at 1:33pm in San Francisco (SFO)

Book Flight

Sarah Belizaire

@sarahbb1

Have flexible travel plans or looking for alternative routes given the chaos? Check out all the connection possibilities via a super helpful site created by @ismaelyws flightlist.io thanks to @andy_travels for the recommendation #travel #flights

John Ford

@eyupitsjohn

There seem to be lots of sites launching at the moment that promise to find you cheap flights but not many have the professional finish of Flightlist by @ismaelyws #travel #flights

Roaming Sonaa

@roamingsonaa

For people wanting to maximize their trips, Flightlist is my newest travel hack for uncovering the coolest routes at irresistible prices. No stress, no annoying ads — just seamless flight booking with amazing functionality. It's designed for remote workers, backpackers, and people living abroad.

Read Sonaa's 7 Amazing Skyscanner Alternatives for Booking Travel

ANDY TRAVELS

@andy_travels

@ismaelyws Just tried out Flightlist for the first time. Really nice idea, well made, and just what I need at the moment 👍

Travel With Bender

@travelwitbender

Did you spot my recent article about how to score cheap one way flights? ✈️ FlightList is my new secret tool for discovering cheap routes, within a departure date range. Plus you can also search by country/region for departures & destinations. Powerful! 💪

Read Josh's Ultimate Guide To Find Cheap One Way Flights

Wesley Mergard

@travel.with.wes

One useful tool I've found for evaluating different departure and return dates is called FlightList.io. You can quickly scan different travel date ranges, carriers and one way flight options to easily determine the cheapest flight combinations for your trip.

Read Wesley's My Best Cheap Flight Hacks (Why Pay More?)

Cheap Flights from Denver to San Francisco (DEN to SFO)

Sarah Belizaire

John Ford

Roaming Sonaa

ANDY TRAVELS

Travel With Bender

Wesley Mergard

Latest Cheap Flight Searches

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Why I Built FlightList & Solved My Own Problem

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