Cheap Flights from United States of America to Denver (US to DEN)

Discover more affordable routes and cheaper dates from United States of America to Denver (US to DEN) within a date range.

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US$21

9:10pm - 10:44pm
Sat Apr 5th 2025

1h 34m
Salt Lake City (SLC) → Denver (DEN)

Direct

Sat Apr 5th 2025 Frontier Airlines · F9 4252 Depart at 9:10pm from Salt Lake City (SLC) Fly for 1h 34m Arrive at 10:44pm in Denver (DEN)

Book Flight
US$21

9:10pm - 10:44pm
Sat Apr 19th 2025

1h 34m
Salt Lake City (SLC) → Denver (DEN)

Direct

Sat Apr 19th 2025 Frontier Airlines · F9 4252 Depart at 9:10pm from Salt Lake City (SLC) Fly for 1h 34m Arrive at 10:44pm in Denver (DEN)

Book Flight
US$21

9:19pm - 10:53pm
Tue Apr 15th 2025

1h 34m
Salt Lake City (SLC) → Denver (DEN)

Direct

Tue Apr 15th 2025 Frontier Airlines · F9 4252 Depart at 9:19pm from Salt Lake City (SLC) Fly for 1h 34m Arrive at 10:53pm in Denver (DEN)

Book Flight
US$21

2:57pm - 4:32pm
Tue May 6th 2025

1h 35m
Salt Lake City (SLC) → Denver (DEN)

Direct

Tue May 6th 2025 Frontier Airlines · F9 3220 Depart at 2:57pm from Salt Lake City (SLC) Fly for 1h 35m Arrive at 4:32pm in Denver (DEN)

Book Flight
US$21

6:00am - 7:35am
Tue May 13th 2025

1h 35m
Salt Lake City (SLC) → Denver (DEN)

Direct

Tue May 13th 2025 Frontier Airlines · F9 3862 Depart at 6:00am from Salt Lake City (SLC) Fly for 1h 35m Arrive at 7:35am in Denver (DEN)

Book Flight
US$21

8:19pm - 9:54pm
Mon Apr 28th 2025

1h 35m
Salt Lake City (SLC) → Denver (DEN)

Direct

Mon Apr 28th 2025 Frontier Airlines · F9 4252 Depart at 8:19pm from Salt Lake City (SLC) Fly for 1h 35m Arrive at 9:54pm in Denver (DEN)

Book Flight
US$21

2:57pm - 4:32pm
Sat May 10th 2025

1h 35m
Salt Lake City (SLC) → Denver (DEN)

Direct

Sat May 10th 2025 Frontier Airlines · F9 3220 Depart at 2:57pm from Salt Lake City (SLC) Fly for 1h 35m Arrive at 4:32pm in Denver (DEN)

Book Flight
US$21

8:55pm - 10:30pm
Thu Apr 3rd 2025

1h 35m
Salt Lake City (SLC) → Denver (DEN)

Direct

Thu Apr 3rd 2025 Frontier Airlines · F9 4252 Depart at 8:55pm from Salt Lake City (SLC) Fly for 1h 35m Arrive at 10:30pm in Denver (DEN)

Book Flight
US$21

8:55pm - 10:30pm
Thu Apr 10th 2025

1h 35m
Salt Lake City (SLC) → Denver (DEN)

Direct

Thu Apr 10th 2025 Frontier Airlines · F9 4252 Depart at 8:55pm from Salt Lake City (SLC) Fly for 1h 35m Arrive at 10:30pm in Denver (DEN)

Book Flight
US$21

2:57pm - 4:32pm
Tue May 13th 2025

1h 35m
Salt Lake City (SLC) → Denver (DEN)

Direct

Tue May 13th 2025 Frontier Airlines · F9 3220 Depart at 2:57pm from Salt Lake City (SLC) Fly for 1h 35m Arrive at 4:32pm in Denver (DEN)

Book Flight
US$21

8:29pm - 10:05pm
Mon May 12th 2025

1h 36m
Salt Lake City (SLC) → Denver (DEN)

Direct

Mon May 12th 2025 Frontier Airlines · F9 4252 Depart at 8:29pm from Salt Lake City (SLC) Fly for 1h 36m Arrive at 10:05pm in Denver (DEN)

Book Flight
US$21

8:29pm - 10:05pm
Mon May 5th 2025

1h 36m
Salt Lake City (SLC) → Denver (DEN)

Direct

Mon May 5th 2025 Frontier Airlines · F9 4252 Depart at 8:29pm from Salt Lake City (SLC) Fly for 1h 36m Arrive at 10:05pm in Denver (DEN)

Book Flight
US$21

8:29pm - 10:05pm
Thu May 8th 2025

1h 36m
Salt Lake City (SLC) → Denver (DEN)

Direct

Thu May 8th 2025 Frontier Airlines · F9 4252 Depart at 8:29pm from Salt Lake City (SLC) Fly for 1h 36m Arrive at 10:05pm in Denver (DEN)

Book Flight
US$21

8:29pm - 10:05pm
Thu May 15th 2025

1h 36m
Salt Lake City (SLC) → Denver (DEN)

Direct

Thu May 15th 2025 Frontier Airlines · F9 4252 Depart at 8:29pm from Salt Lake City (SLC) Fly for 1h 36m Arrive at 10:05pm in Denver (DEN)

Book Flight
US$21

8:47pm - 10:24pm
Tue Mar 18th 2025

1h 37m
Salt Lake City (SLC) → Denver (DEN)

Direct

Tue Mar 18th 2025 Frontier Airlines · F9 4252 Depart at 8:47pm from Salt Lake City (SLC) Fly for 1h 37m Arrive at 10:24pm in Denver (DEN)

Book Flight
US$21

9:07pm - 10:46pm
Thu Mar 6th 2025

1h 39m
Salt Lake City (SLC) → Denver (DEN)

Direct

Thu Mar 6th 2025 Frontier Airlines · F9 3220 Depart at 9:07pm from Salt Lake City (SLC) Fly for 1h 39m Arrive at 10:46pm in Denver (DEN)

Book Flight
US$21

9:07pm - 10:46pm
Thu Mar 13th 2025

1h 39m
Salt Lake City (SLC) → Denver (DEN)

Direct

Thu Mar 13th 2025 Frontier Airlines · F9 4252 Depart at 9:07pm from Salt Lake City (SLC) Fly for 1h 39m Arrive at 10:46pm in Denver (DEN)

Book Flight
US$21

6:00am - 7:39am
Sat Apr 5th 2025

1h 39m
Salt Lake City (SLC) → Denver (DEN)

Direct

Sat Apr 5th 2025 Frontier Airlines · F9 3862 Depart at 6:00am from Salt Lake City (SLC) Fly for 1h 39m Arrive at 7:39am in Denver (DEN)

Book Flight
US$21

9:07pm - 10:46pm
Thu Mar 20th 2025

1h 39m
Salt Lake City (SLC) → Denver (DEN)

Direct

Thu Mar 20th 2025 Frontier Airlines · F9 4252 Depart at 9:07pm from Salt Lake City (SLC) Fly for 1h 39m Arrive at 10:46pm in Denver (DEN)

Book Flight
US$21

6:00am - 7:39am
Mon Apr 21st 2025

1h 39m
Salt Lake City (SLC) → Denver (DEN)

Direct

Mon Apr 21st 2025 Frontier Airlines · F9 3862 Depart at 6:00am from Salt Lake City (SLC) Fly for 1h 39m Arrive at 7:39am in Denver (DEN)

Book Flight
US$21

6:00am - 7:39am
Tue Apr 29th 2025

1h 39m
Salt Lake City (SLC) → Denver (DEN)

Direct

Tue Apr 29th 2025 Frontier Airlines · F9 3862 Depart at 6:00am from Salt Lake City (SLC) Fly for 1h 39m Arrive at 7:39am in Denver (DEN)

Book Flight
US$21

9:17pm - 10:56pm
Sat Mar 15th 2025

1h 39m
Salt Lake City (SLC) → Denver (DEN)

Direct

Sat Mar 15th 2025 Frontier Airlines · F9 4252 Depart at 9:17pm from Salt Lake City (SLC) Fly for 1h 39m Arrive at 10:56pm in Denver (DEN)

Book Flight
US$21

6:00am - 7:39am
Tue Apr 22nd 2025

1h 39m
Salt Lake City (SLC) → Denver (DEN)

Direct

Tue Apr 22nd 2025 Frontier Airlines · F9 3862 Depart at 6:00am from Salt Lake City (SLC) Fly for 1h 39m Arrive at 7:39am in Denver (DEN)

Book Flight
US$21

11:33am - 1:14pm
Wed Mar 5th 2025

1h 41m
Salt Lake City (SLC) → Denver (DEN)

Direct

Wed Mar 5th 2025 Frontier Airlines · F9 4722 Depart at 11:33am from Salt Lake City (SLC) Fly for 1h 41m Arrive at 1:14pm in Denver (DEN)

Book Flight
US$21

11:33am - 1:14pm
Tue Mar 4th 2025

1h 41m
Salt Lake City (SLC) → Denver (DEN)

Direct

Tue Mar 4th 2025 Frontier Airlines · F9 4722 Depart at 11:33am from Salt Lake City (SLC) Fly for 1h 41m Arrive at 1:14pm in Denver (DEN)

Book Flight
US$21

11:33am - 1:14pm
Tue Feb 25th 2025

1h 41m
Salt Lake City (SLC) → Denver (DEN)

Direct

Tue Feb 25th 2025 Frontier Airlines · F9 4722 Depart at 11:33am from Salt Lake City (SLC) Fly for 1h 41m Arrive at 1:14pm in Denver (DEN)

Book Flight
US$21

11:33am - 1:14pm
Wed Feb 26th 2025

1h 41m
Salt Lake City (SLC) → Denver (DEN)

Direct

Wed Feb 26th 2025 Frontier Airlines · F9 4722 Depart at 11:33am from Salt Lake City (SLC) Fly for 1h 41m Arrive at 1:14pm in Denver (DEN)

Book Flight
US$21

2:54pm - 4:35pm
Tue Apr 22nd 2025

1h 41m
Salt Lake City (SLC) → Denver (DEN)

Direct

Tue Apr 22nd 2025 Frontier Airlines · F9 3220 Depart at 2:54pm from Salt Lake City (SLC) Fly for 1h 41m Arrive at 4:35pm in Denver (DEN)

Book Flight
US$21

11:05am - 12:46pm
Sat Mar 15th 2025

1h 41m
Salt Lake City (SLC) → Denver (DEN)

Direct

Sat Mar 15th 2025 Frontier Airlines · F9 3982 Depart at 11:05am from Salt Lake City (SLC) Fly for 1h 41m Arrive at 12:46pm in Denver (DEN)

Book Flight
US$21

11:05am - 12:46pm
Mon Mar 17th 2025

1h 41m
Salt Lake City (SLC) → Denver (DEN)

Direct

Mon Mar 17th 2025 Frontier Airlines · F9 3220 Depart at 11:05am from Salt Lake City (SLC) Fly for 1h 41m Arrive at 12:46pm in Denver (DEN)

Book Flight
US$21

11:33am - 1:14pm
Tue Feb 18th 2025

1h 41m
Salt Lake City (SLC) → Denver (DEN)

Direct

Tue Feb 18th 2025 Frontier Airlines · F9 4722 Depart at 11:33am from Salt Lake City (SLC) Fly for 1h 41m Arrive at 1:14pm in Denver (DEN)

Book Flight
US$21

11:33am - 1:14pm
Wed Feb 19th 2025

1h 41m
Salt Lake City (SLC) → Denver (DEN)

Direct

Wed Feb 19th 2025 Frontier Airlines · F9 4722 Depart at 11:33am from Salt Lake City (SLC) Fly for 1h 41m Arrive at 1:14pm in Denver (DEN)

Book Flight
US$21

3:07pm - 4:49pm
Wed Mar 5th 2025

1h 42m
Salt Lake City (SLC) → Denver (DEN)

Direct

Wed Mar 5th 2025 Frontier Airlines · F9 3982 Depart at 3:07pm from Salt Lake City (SLC) Fly for 1h 42m Arrive at 4:49pm in Denver (DEN)

Book Flight
US$21

3:07pm - 4:49pm
Mon Mar 10th 2025

1h 42m
Salt Lake City (SLC) → Denver (DEN)

Direct

Mon Mar 10th 2025 Frontier Airlines · F9 3982 Depart at 3:07pm from Salt Lake City (SLC) Fly for 1h 42m Arrive at 4:49pm in Denver (DEN)

Book Flight
US$21

3:07pm - 4:49pm
Wed Feb 26th 2025

1h 42m
Salt Lake City (SLC) → Denver (DEN)

Direct

Wed Feb 26th 2025 Frontier Airlines · F9 3982 Depart at 3:07pm from Salt Lake City (SLC) Fly for 1h 42m Arrive at 4:49pm in Denver (DEN)

Book Flight
US$21

3:07pm - 4:49pm
Wed Mar 12th 2025

1h 42m
Salt Lake City (SLC) → Denver (DEN)

Direct

Wed Mar 12th 2025 Frontier Airlines · F9 3982 Depart at 3:07pm from Salt Lake City (SLC) Fly for 1h 42m Arrive at 4:49pm in Denver (DEN)

Book Flight
US$21

3:28pm - 5:10pm
Tue Feb 25th 2025

1h 42m
Salt Lake City (SLC) → Denver (DEN)

Direct

Tue Feb 25th 2025 Frontier Airlines · F9 4252 Depart at 3:28pm from Salt Lake City (SLC) Fly for 1h 42m Arrive at 5:10pm in Denver (DEN)

Book Flight
US$21

3:07pm - 4:49pm
Wed Mar 19th 2025

1h 42m
Salt Lake City (SLC) → Denver (DEN)

Direct

Wed Mar 19th 2025 Frontier Airlines · F9 3982 Depart at 3:07pm from Salt Lake City (SLC) Fly for 1h 42m Arrive at 4:49pm in Denver (DEN)

Book Flight
US$21

10:49am - 12:31pm
Thu Apr 3rd 2025

1h 42m
Salt Lake City (SLC) → Denver (DEN)

Direct

Thu Apr 3rd 2025 Frontier Airlines · F9 3982 Depart at 10:49am from Salt Lake City (SLC) Fly for 1h 42m Arrive at 12:31pm in Denver (DEN)

Book Flight
US$21

3:07pm - 4:49pm
Mon Mar 17th 2025

1h 42m
Salt Lake City (SLC) → Denver (DEN)

Direct

Mon Mar 17th 2025 Frontier Airlines · F9 3982 Depart at 3:07pm from Salt Lake City (SLC) Fly for 1h 42m Arrive at 4:49pm in Denver (DEN)

Book Flight
US$21

3:07pm - 4:49pm
Wed Feb 19th 2025

1h 42m
Salt Lake City (SLC) → Denver (DEN)

Direct

Wed Feb 19th 2025 Frontier Airlines · F9 3982 Depart at 3:07pm from Salt Lake City (SLC) Fly for 1h 42m Arrive at 4:49pm in Denver (DEN)

Book Flight
US$21

3:07pm - 4:50pm
Wed Apr 2nd 2025

1h 43m
Salt Lake City (SLC) → Denver (DEN)

Direct

Wed Apr 2nd 2025 Frontier Airlines · F9 3982 Depart at 3:07pm from Salt Lake City (SLC) Fly for 1h 43m Arrive at 4:50pm in Denver (DEN)

Book Flight
US$21

6:00am - 7:46am
Wed Mar 5th 2025

1h 46m
Salt Lake City (SLC) → Denver (DEN)

Direct

Wed Mar 5th 2025 Frontier Airlines · F9 3862 Depart at 6:00am from Salt Lake City (SLC) Fly for 1h 46m Arrive at 7:46am in Denver (DEN)

Book Flight
US$21

8:29pm - 9:15pm
Tue Mar 4th 2025

1h 46m
Oklahoma City (OKC) → Denver (DEN)

Direct

Tue Mar 4th 2025 Frontier Airlines · F9 1863 Depart at 8:29pm from Oklahoma City (OKC) Fly for 1h 46m Arrive at 9:15pm in Denver (DEN)

Book Flight
US$21

8:29pm - 9:15pm
Tue Feb 25th 2025

1h 46m
Oklahoma City (OKC) → Denver (DEN)

Direct

Tue Feb 25th 2025 Frontier Airlines · F9 1863 Depart at 8:29pm from Oklahoma City (OKC) Fly for 1h 46m Arrive at 9:15pm in Denver (DEN)

Book Flight
US$21

6:00am - 7:46am
Tue Mar 4th 2025

1h 46m
Salt Lake City (SLC) → Denver (DEN)

Direct

Tue Mar 4th 2025 Frontier Airlines · F9 3862 Depart at 6:00am from Salt Lake City (SLC) Fly for 1h 46m Arrive at 7:46am in Denver (DEN)

Book Flight
US$21

6:00am - 7:46am
Mon Mar 3rd 2025

1h 46m
Salt Lake City (SLC) → Denver (DEN)

Direct

Mon Mar 3rd 2025 Frontier Airlines · F9 3862 Depart at 6:00am from Salt Lake City (SLC) Fly for 1h 46m Arrive at 7:46am in Denver (DEN)

Book Flight
US$21

6:00am - 7:46am
Sat Mar 1st 2025

1h 46m
Salt Lake City (SLC) → Denver (DEN)

Direct

Sat Mar 1st 2025 Frontier Airlines · F9 3862 Depart at 6:00am from Salt Lake City (SLC) Fly for 1h 46m Arrive at 7:46am in Denver (DEN)

Book Flight
US$21

6:00am - 7:46am
Sat Mar 22nd 2025

1h 46m
Salt Lake City (SLC) → Denver (DEN)

Direct

Sat Mar 22nd 2025 Frontier Airlines · F9 3862 Depart at 6:00am from Salt Lake City (SLC) Fly for 1h 46m Arrive at 7:46am in Denver (DEN)

Book Flight
US$21

6:00am - 7:46am
Tue Feb 25th 2025

1h 46m
Salt Lake City (SLC) → Denver (DEN)

Direct

Tue Feb 25th 2025 Frontier Airlines · F9 3862 Depart at 6:00am from Salt Lake City (SLC) Fly for 1h 46m Arrive at 7:46am in Denver (DEN)

Book Flight
US$21

6:00am - 7:46am
Tue Feb 18th 2025

1h 46m
Salt Lake City (SLC) → Denver (DEN)

Direct

Tue Feb 18th 2025 Frontier Airlines · F9 3862 Depart at 6:00am from Salt Lake City (SLC) Fly for 1h 46m Arrive at 7:46am in Denver (DEN)

Book Flight
US$21

6:00am - 7:46am
Wed Feb 26th 2025

1h 46m
Salt Lake City (SLC) → Denver (DEN)

Direct

Wed Feb 26th 2025 Frontier Airlines · F9 3862 Depart at 6:00am from Salt Lake City (SLC) Fly for 1h 46m Arrive at 7:46am in Denver (DEN)

Book Flight
US$21

6:00am - 7:46am
Wed Feb 19th 2025

1h 46m
Salt Lake City (SLC) → Denver (DEN)

Direct

Wed Feb 19th 2025 Frontier Airlines · F9 3862 Depart at 6:00am from Salt Lake City (SLC) Fly for 1h 46m Arrive at 7:46am in Denver (DEN)

Book Flight
US$21

8:27pm - 9:13pm
Thu Mar 27th 2025

1h 46m
Oklahoma City (OKC) → Denver (DEN)

Direct

Thu Mar 27th 2025 Frontier Airlines · F9 1863 Depart at 8:27pm from Oklahoma City (OKC) Fly for 1h 46m Arrive at 9:13pm in Denver (DEN)

Book Flight
US$21

12:05pm - 1:57pm
Wed Mar 5th 2025

1h 52m
Phoenix (PHX) → Denver (DEN)

Direct

Wed Mar 5th 2025 Frontier Airlines · F9 1820 Depart at 12:05pm from Phoenix (PHX) Fly for 1h 52m Arrive at 1:57pm in Denver (DEN)

Book Flight
US$21

7:00am - 8:55am
Sat Feb 22nd 2025

1h 55m
Phoenix (PHX) → Denver (DEN)

Direct

Sat Feb 22nd 2025 Frontier Airlines · F9 1376 Depart at 7:00am from Phoenix (PHX) Fly for 1h 55m Arrive at 8:55am in Denver (DEN)

Book Flight
US$21

7:00am - 8:55am
Wed Feb 26th 2025

1h 55m
Phoenix (PHX) → Denver (DEN)

Direct

Wed Feb 26th 2025 Frontier Airlines · F9 1376 Depart at 7:00am from Phoenix (PHX) Fly for 1h 55m Arrive at 8:55am in Denver (DEN)

Book Flight
US$21

7:00am - 8:55am
Sat Mar 1st 2025

1h 55m
Phoenix (PHX) → Denver (DEN)

Direct

Sat Mar 1st 2025 Frontier Airlines · F9 1376 Depart at 7:00am from Phoenix (PHX) Fly for 1h 55m Arrive at 8:55am in Denver (DEN)

Book Flight
US$21

5:50am - 8:46am
Tue May 13th 2025

1h 56m
Phoenix (PHX) → Denver (DEN)

Direct

Tue May 13th 2025 Frontier Airlines · F9 1376 Depart at 5:50am from Phoenix (PHX) Fly for 1h 56m Arrive at 8:46am in Denver (DEN)

Book Flight
US$21

5:50am - 8:46am
Wed May 7th 2025

1h 56m
Phoenix (PHX) → Denver (DEN)

Direct

Wed May 7th 2025 Frontier Airlines · F9 1376 Depart at 5:50am from Phoenix (PHX) Fly for 1h 56m Arrive at 8:46am in Denver (DEN)

Book Flight
US$21

6:05am - 7:18am
Wed Feb 26th 2025

2h 13m
Dallas (DFW) → Denver (DEN)

Direct

Wed Feb 26th 2025 Frontier Airlines · F9 2147 Depart at 6:05am from Dallas (DFW) Fly for 2h 13m Arrive at 7:18am in Denver (DEN)

Book Flight
US$21

6:15am - 7:28am
Tue Feb 18th 2025

2h 13m
Dallas (DFW) → Denver (DEN)

Direct

Tue Feb 18th 2025 Frontier Airlines · F9 2147 Depart at 6:15am from Dallas (DFW) Fly for 2h 13m Arrive at 7:28am in Denver (DEN)

Book Flight
US$21

6:05am - 7:18am
Wed Feb 19th 2025

2h 13m
Dallas (DFW) → Denver (DEN)

Direct

Wed Feb 19th 2025 Frontier Airlines · F9 2147 Depart at 6:05am from Dallas (DFW) Fly for 2h 13m Arrive at 7:18am in Denver (DEN)

Book Flight
US$21

9:54pm - 11:13pm
Tue Feb 18th 2025

2h 19m
Dallas (DFW) → Denver (DEN)

Direct

Tue Feb 18th 2025 Frontier Airlines · F9 4463 Depart at 9:54pm from Dallas (DFW) Fly for 2h 19m Arrive at 11:13pm in Denver (DEN)

Book Flight
US$21

9:54pm - 11:13pm
Wed Feb 19th 2025

2h 19m
Dallas (DFW) → Denver (DEN)

Direct

Wed Feb 19th 2025 Frontier Airlines · F9 4463 Depart at 9:54pm from Dallas (DFW) Fly for 2h 19m Arrive at 11:13pm in Denver (DEN)

Book Flight
US$28

8:29pm - 9:15pm
Tue Feb 18th 2025

1h 46m
Oklahoma City (OKC) → Denver (DEN)

Direct

Tue Feb 18th 2025 Frontier Airlines · F9 1863 Depart at 8:29pm from Oklahoma City (OKC) Fly for 1h 46m Arrive at 9:15pm in Denver (DEN)

Book Flight
US$31

6:00am - 7:38am
Wed Jul 16th 2025

1h 38m
Salt Lake City (SLC) → Denver (DEN)

Direct

Wed Jul 16th 2025 Frontier Airlines · F9 3862 Depart at 6:00am from Salt Lake City (SLC) Fly for 1h 38m Arrive at 7:38am in Denver (DEN)

Book Flight
US$31

2:48pm - 4:29pm
Wed Jul 16th 2025

1h 41m
Salt Lake City (SLC) → Denver (DEN)

Direct

Wed Jul 16th 2025 Frontier Airlines · F9 3982 Depart at 2:48pm from Salt Lake City (SLC) Fly for 1h 41m Arrive at 4:29pm in Denver (DEN)

Book Flight
US$31

10:17pm - 12:03am
Wed Jul 16th 2025

1h 46m
Salt Lake City (SLC) → Denver (DEN)

Direct

Wed Jul 16th 2025 Frontier Airlines · F9 4252 Depart at 10:17pm from Salt Lake City (SLC) Fly for 1h 46m Arrive at 12:03am in Denver (DEN)

Book Flight
US$31

12:59am - 4:18am
Wed Jul 9th 2025

2h 19m
Ontario (ONT) → Denver (DEN)

Direct

Wed Jul 9th 2025 Frontier Airlines · F9 1500 Depart at 12:59am from Ontario (ONT) Fly for 2h 19m Arrive at 4:18am in Denver (DEN)

Book Flight
US$31

12:59am - 4:18am
Wed Jul 30th 2025

2h 19m
Ontario (ONT) → Denver (DEN)

Direct

Wed Jul 30th 2025 Frontier Airlines · F9 1500 Depart at 12:59am from Ontario (ONT) Fly for 2h 19m Arrive at 4:18am in Denver (DEN)

Book Flight
US$31

6:00am - 7:19am
Tue Aug 5th 2025

2h 19m
Minneapolis (MSP) → Denver (DEN)

Direct

Tue Aug 5th 2025 Frontier Airlines · F9 1149 Depart at 6:00am from Minneapolis (MSP) Fly for 2h 19m Arrive at 7:19am in Denver (DEN)

Book Flight
US$31

12:59am - 4:18am
Tue Jul 29th 2025

2h 19m
Ontario (ONT) → Denver (DEN)

Direct

Tue Jul 29th 2025 Frontier Airlines · F9 1500 Depart at 12:59am from Ontario (ONT) Fly for 2h 19m Arrive at 4:18am in Denver (DEN)

Book Flight
US$31

6:00am - 7:19am
Tue Jul 29th 2025

2h 19m
Minneapolis (MSP) → Denver (DEN)

Direct

Tue Jul 29th 2025 Frontier Airlines · F9 1149 Depart at 6:00am from Minneapolis (MSP) Fly for 2h 19m Arrive at 7:19am in Denver (DEN)

Book Flight
US$31

12:59am - 4:18am
Wed Jun 18th 2025

2h 19m
Ontario (ONT) → Denver (DEN)

Direct

Wed Jun 18th 2025 Frontier Airlines · F9 1500 Depart at 12:59am from Ontario (ONT) Fly for 2h 19m Arrive at 4:18am in Denver (DEN)

Book Flight
US$31

6:00am - 7:19am
Tue Jun 24th 2025

2h 19m
Minneapolis (MSP) → Denver (DEN)

Direct

Tue Jun 24th 2025 Frontier Airlines · F9 1149 Depart at 6:00am from Minneapolis (MSP) Fly for 2h 19m Arrive at 7:19am in Denver (DEN)

Book Flight
US$31

12:59am - 4:18am
Tue Aug 5th 2025

2h 19m
Ontario (ONT) → Denver (DEN)

Direct

Tue Aug 5th 2025 Frontier Airlines · F9 1500 Depart at 12:59am from Ontario (ONT) Fly for 2h 19m Arrive at 4:18am in Denver (DEN)

Book Flight
US$31

6:00am - 7:19am
Wed Jul 16th 2025

2h 19m
Minneapolis (MSP) → Denver (DEN)

Direct

Wed Jul 16th 2025 Frontier Airlines · F9 1149 Depart at 6:00am from Minneapolis (MSP) Fly for 2h 19m Arrive at 7:19am in Denver (DEN)

Book Flight
US$31

6:15pm - 9:40pm
Tue Aug 5th 2025

2h 25m
Ontario (ONT) → Denver (DEN)

Direct

Tue Aug 5th 2025 Frontier Airlines · F9 2908 Depart at 6:15pm from Ontario (ONT) Fly for 2h 25m Arrive at 9:40pm in Denver (DEN)

Book Flight
US$159

3:25pm - 4:09pm
Wed Jul 2nd 2025

0h 44m
Colorado Springs (COS) → Denver (DEN)

Direct

Wed Jul 2nd 2025 United Airlines · UA 4657 Depart at 3:25pm from Colorado Springs (COS) Fly for 0h 44m Arrive at 4:09pm in Denver (DEN)

Book Flight
US$159

3:25pm - 4:09pm
Mon Jul 28th 2025

0h 44m
Colorado Springs (COS) → Denver (DEN)

Direct

Mon Jul 28th 2025 United Airlines · UA 4657 Depart at 3:25pm from Colorado Springs (COS) Fly for 0h 44m Arrive at 4:09pm in Denver (DEN)

Book Flight

Sarah Belizaire

@sarahbb1

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@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 United States of America to Denver (US to DEN)

Sarah Belizaire

John Ford

Roaming Sonaa

ANDY TRAVELS

Travel With Bender

Wesley Mergard

Latest Cheap Flight Searches

FlightList Blog

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Why I Built FlightList & Solved My Own Problem

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