One Way Flights from Ontario to St. Louis (ONT to STL)

Discover alternate routes and cheaper dates from Ontario to St. Louis (ONT to STL) within a date range.

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USD 209
8:49pm - 11:59pm
Mon Aug 26th
25h 10m
Ontario (ONT) → St. Louis (STL)
1 Stop
Mon Aug 26th 2024 Alaska Airlines · AS 1087 Depart at 8:49pm from Ontario (ONT) Fly for 2h 38m Arrive at 11:27pm in Seattle (SEA)
Layover in Seattle for 18h 41m
Tue Aug 27th 2024 Alaska Airlines · AS 472 Depart at 6:08pm from Seattle (SEA) Fly for 3h 51m Arrive at 11:59pm in St. Louis (STL)
Book Flight
USD 222
5:05am - 12:43pm
Sat Aug 24th
5h 38m
Ontario (ONT) → St. Louis (STL)
1 Stop
Sat Aug 24th 2024 United Airlines · UA 2734 Depart at 5:05am from Ontario (ONT) Fly for 2h 18m Arrive at 8:23am in Denver (DEN)
Layover in Denver for 1h 17m
Sat Aug 24th 2024 United Airlines · UA 652 Depart at 9:40am from Denver (DEN) Fly for 2h 3m Arrive at 12:43pm in St. Louis (STL)
Book Flight
USD 222
1:32pm - 9:28pm
Sat Aug 24th
5h 56m
Ontario (ONT) → St. Louis (STL)
1 Stop
Sat Aug 24th 2024 United Airlines · UA 1464 Depart at 1:32pm from Ontario (ONT) Fly for 2h 16m Arrive at 4:48pm in Denver (DEN)
Layover in Denver for 1h 32m
Sat Aug 24th 2024 United Airlines · UA 1422 Depart at 6:20pm from Denver (DEN) Fly for 2h 8m Arrive at 9:28pm in St. Louis (STL)
Book Flight
USD 222
6:00am - 4:22pm
Sat Aug 24th
8h 22m
Ontario (ONT) → St. Louis (STL)
1 Stop
Sat Aug 24th 2024 United Airlines · UA 2737 Depart at 6:00am from Ontario (ONT) Fly for 3h 12m Arrive at 11:12am in Houston (IAH)
Layover in Houston for 3h 8m
Sat Aug 24th 2024 United Airlines · UA 2368 Depart at 2:20pm from Houston (IAH) Fly for 2h 2m Arrive at 4:22pm in St. Louis (STL)
Book Flight
USD 222
6:17am - 5:03pm
Sat Aug 24th
8h 46m
Ontario (ONT) → St. Louis (STL)
1 Stop
Sat Aug 24th 2024 United Airlines · UA 277 Depart at 6:17am from Ontario (ONT) Fly for 1h 27m Arrive at 7:44am in San Francisco (SFO)
Layover in San Francisco for 3h 26m
Sat Aug 24th 2024 United Airlines · UA 2248 Depart at 11:10am from San Francisco (SFO) Fly for 3h 53m Arrive at 5:03pm in St. Louis (STL)
Book Flight
USD 229
5:05am - 12:43pm
Fri Aug 23rd
5h 38m
Ontario (ONT) → St. Louis (STL)
1 Stop
Fri Aug 23rd 2024 United Airlines · UA 2734 Depart at 5:05am from Ontario (ONT) Fly for 2h 18m Arrive at 8:23am in Denver (DEN)
Layover in Denver for 1h 17m
Fri Aug 23rd 2024 United Airlines · UA 652 Depart at 9:40am from Denver (DEN) Fly for 2h 3m Arrive at 12:43pm in St. Louis (STL)
Book Flight
USD 229
1:32pm - 9:28pm
Fri Aug 23rd
5h 56m
Ontario (ONT) → St. Louis (STL)
1 Stop
Fri Aug 23rd 2024 United Airlines · UA 1464 Depart at 1:32pm from Ontario (ONT) Fly for 2h 16m Arrive at 4:48pm in Denver (DEN)
Layover in Denver for 1h 32m
Fri Aug 23rd 2024 United Airlines · UA 1422 Depart at 6:20pm from Denver (DEN) Fly for 2h 8m Arrive at 9:28pm in St. Louis (STL)
Book Flight
USD 229
6:00am - 4:22pm
Fri Aug 23rd
8h 22m
Ontario (ONT) → St. Louis (STL)
1 Stop
Fri Aug 23rd 2024 United Airlines · UA 2737 Depart at 6:00am from Ontario (ONT) Fly for 3h 12m Arrive at 11:12am in Houston (IAH)
Layover in Houston for 3h 8m
Fri Aug 23rd 2024 United Airlines · UA 2368 Depart at 2:20pm from Houston (IAH) Fly for 2h 2m Arrive at 4:22pm in St. Louis (STL)
Book Flight
USD 229
2:02pm - 12:27am
Fri Aug 23rd
8h 25m
Ontario (ONT) → St. Louis (STL)
1 Stop
Fri Aug 23rd 2024 United Airlines · UA 5920 Depart at 2:02pm from Ontario (ONT) Fly for 1h 33m Arrive at 3:35pm in San Francisco (SFO)
Layover in San Francisco for 3h 0m
Fri Aug 23rd 2024 United Airlines · UA 2864 Depart at 6:35pm from San Francisco (SFO) Fly for 3h 52m Arrive at 12:27am in St. Louis (STL)
Book Flight
USD 232
6:17am - 5:03pm
Fri Aug 23rd
8h 46m
Ontario (ONT) → St. Louis (STL)
1 Stop
Fri Aug 23rd 2024 United Airlines · UA 277 Depart at 6:17am from Ontario (ONT) Fly for 1h 27m Arrive at 7:44am in San Francisco (SFO)
Layover in San Francisco for 3h 26m
Fri Aug 23rd 2024 United Airlines · UA 2248 Depart at 11:10am from San Francisco (SFO) Fly for 3h 53m Arrive at 5:03pm in St. Louis (STL)
Book Flight
USD 233
6:00am - 4:22pm
Mon Aug 26th
8h 22m
Ontario (ONT) → St. Louis (STL)
1 Stop
Mon Aug 26th 2024 United Airlines · UA 2737 Depart at 6:00am from Ontario (ONT) Fly for 3h 12m Arrive at 11:12am in Houston (IAH)
Layover in Houston for 3h 8m
Mon Aug 26th 2024 United Airlines · UA 2368 Depart at 2:20pm from Houston (IAH) Fly for 2h 2m Arrive at 4:22pm in St. Louis (STL)
Book Flight
USD 233
2:02pm - 12:27am
Mon Aug 26th
8h 25m
Ontario (ONT) → St. Louis (STL)
1 Stop
Mon Aug 26th 2024 United Airlines · UA 5920 Depart at 2:02pm from Ontario (ONT) Fly for 1h 33m Arrive at 3:35pm in San Francisco (SFO)
Layover in San Francisco for 3h 0m
Mon Aug 26th 2024 United Airlines · UA 2864 Depart at 6:35pm from San Francisco (SFO) Fly for 3h 52m Arrive at 12:27am in St. Louis (STL)
Book Flight
USD 233
6:20am - 5:03pm
Mon Aug 26th
8h 43m
Ontario (ONT) → St. Louis (STL)
1 Stop
Mon Aug 26th 2024 United Airlines · UA 277 Depart at 6:20am from Ontario (ONT) Fly for 1h 27m Arrive at 7:47am in San Francisco (SFO)
Layover in San Francisco for 3h 23m
Mon Aug 26th 2024 United Airlines · UA 2248 Depart at 11:10am from San Francisco (SFO) Fly for 3h 53m Arrive at 5:03pm in St. Louis (STL)
Book Flight
USD 249
6:00am - 11:59pm
Fri Aug 23rd
15h 59m
Ontario (ONT) → St. Louis (STL)
1 Stop
Fri Aug 23rd 2024 Alaska Airlines · AS 1091 Depart at 6:00am from Ontario (ONT) Fly for 2h 45m Arrive at 8:45am in Seattle (SEA)
Layover in Seattle for 9h 23m
Fri Aug 23rd 2024 Alaska Airlines · AS 472 Depart at 6:08pm from Seattle (SEA) Fly for 3h 51m Arrive at 11:59pm in St. Louis (STL)
Book Flight
USD 252
8:49pm - 1:25pm
Mon Aug 26th
14h 36m
Ontario (ONT) → St. Louis (STL)
1 Stop
Mon Aug 26th 2024 Alaska Airlines · AS 1087 Depart at 8:49pm from Ontario (ONT) Fly for 2h 38m Arrive at 11:27pm in Seattle (SEA)
Layover in Seattle for 8h 2m
Tue Aug 27th 2024 Alaska Airlines · AS 388 Depart at 7:29am from Seattle (SEA) Fly for 3h 56m Arrive at 1:25pm in St. Louis (STL)
Book Flight
USD 252
6:00am - 11:59pm
Mon Aug 26th
15h 59m
Ontario (ONT) → St. Louis (STL)
1 Stop
Mon Aug 26th 2024 Alaska Airlines · AS 1091 Depart at 6:00am from Ontario (ONT) Fly for 2h 45m Arrive at 8:45am in Seattle (SEA)
Layover in Seattle for 9h 23m
Mon Aug 26th 2024 Alaska Airlines · AS 472 Depart at 6:08pm from Seattle (SEA) Fly for 3h 51m Arrive at 11:59pm in St. Louis (STL)
Book Flight
USD 265
5:05am - 12:43pm
Sun Aug 25th
5h 38m
Ontario (ONT) → St. Louis (STL)
1 Stop
Sun Aug 25th 2024 United Airlines · UA 2734 Depart at 5:05am from Ontario (ONT) Fly for 2h 18m Arrive at 8:23am in Denver (DEN)
Layover in Denver for 1h 17m
Sun Aug 25th 2024 United Airlines · UA 652 Depart at 9:40am from Denver (DEN) Fly for 2h 3m Arrive at 12:43pm in St. Louis (STL)
Book Flight
USD 265
6:00am - 4:22pm
Sun Aug 25th
8h 22m
Ontario (ONT) → St. Louis (STL)
1 Stop
Sun Aug 25th 2024 United Airlines · UA 2737 Depart at 6:00am from Ontario (ONT) Fly for 3h 12m Arrive at 11:12am in Houston (IAH)
Layover in Houston for 3h 8m
Sun Aug 25th 2024 United Airlines · UA 2368 Depart at 2:20pm from Houston (IAH) Fly for 2h 2m Arrive at 4:22pm in St. Louis (STL)
Book Flight
USD 265
2:02pm - 12:27am
Sun Aug 25th
8h 25m
Ontario (ONT) → St. Louis (STL)
1 Stop
Sun Aug 25th 2024 United Airlines · UA 5920 Depart at 2:02pm from Ontario (ONT) Fly for 1h 33m Arrive at 3:35pm in San Francisco (SFO)
Layover in San Francisco for 3h 0m
Sun Aug 25th 2024 United Airlines · UA 2864 Depart at 6:35pm from San Francisco (SFO) Fly for 3h 52m Arrive at 12:27am in St. Louis (STL)
Book Flight
USD 265
6:20am - 5:03pm
Sun Aug 25th
8h 43m
Ontario (ONT) → St. Louis (STL)
1 Stop
Sun Aug 25th 2024 United Airlines · UA 277 Depart at 6:20am from Ontario (ONT) Fly for 1h 27m Arrive at 7:47am in San Francisco (SFO)
Layover in San Francisco for 3h 23m
Sun Aug 25th 2024 United Airlines · UA 2248 Depart at 11:10am from San Francisco (SFO) Fly for 3h 53m Arrive at 5:03pm in St. Louis (STL)
Book Flight
USD 271
7:00am - 11:59pm
Fri Aug 23rd
14h 59m
Ontario (ONT) → St. Louis (STL)
2 Stops
Fri Aug 23rd 2024 Alaska Airlines · AS 37 Depart at 7:00am from Ontario (ONT) Fly for 2h 21m Arrive at 9:21am in Portland (PDX)
Layover in Portland for 4h 23m
Fri Aug 23rd 2024 Alaska Airlines · AS 1008 Depart at 1:44pm from Portland (PDX) Fly for 1h 8m Arrive at 2:52pm in Seattle (SEA)
Layover in Seattle for 3h 16m
Fri Aug 23rd 2024 Alaska Airlines · AS 472 Depart at 6:08pm from Seattle (SEA) Fly for 3h 51m Arrive at 11:59pm in St. Louis (STL)
Book Flight
USD 272
5:05am - 4:36pm
Sat Aug 24th
9h 31m
Ontario (ONT) → St. Louis (STL)
1 Stop
Sat Aug 24th 2024 United Airlines · UA 2734 Depart at 5:05am from Ontario (ONT) Fly for 2h 18m Arrive at 8:23am in Denver (DEN)
Layover in Denver for 5h 9m
Sat Aug 24th 2024 United Airlines · UA 1315 Depart at 1:32pm from Denver (DEN) Fly for 2h 4m Arrive at 4:36pm in St. Louis (STL)
Book Flight
USD 272
5:05am - 9:28pm
Sat Aug 24th
14h 23m
Ontario (ONT) → St. Louis (STL)
1 Stop
Sat Aug 24th 2024 United Airlines · UA 2734 Depart at 5:05am from Ontario (ONT) Fly for 2h 18m Arrive at 8:23am in Denver (DEN)
Layover in Denver for 9h 57m
Sat Aug 24th 2024 United Airlines · UA 1422 Depart at 6:20pm from Denver (DEN) Fly for 2h 8m Arrive at 9:28pm in St. Louis (STL)
Book Flight
USD 274
5:05am - 9:28pm
Mon Aug 26th
14h 23m
Ontario (ONT) → St. Louis (STL)
1 Stop
Mon Aug 26th 2024 United Airlines · UA 2734 Depart at 5:05am from Ontario (ONT) Fly for 2h 18m Arrive at 8:23am in Denver (DEN)
Layover in Denver for 9h 57m
Mon Aug 26th 2024 United Airlines · UA 1422 Depart at 6:20pm from Denver (DEN) Fly for 2h 8m Arrive at 9:28pm in St. Louis (STL)
Book Flight
USD 274
6:25pm - 12:43pm
Mon Aug 26th
16h 18m
Ontario (ONT) → St. Louis (STL)
1 Stop
Mon Aug 26th 2024 United Airlines · UA 396 Depart at 6:25pm from Ontario (ONT) Fly for 2h 18m Arrive at 9:43pm in Denver (DEN)
Layover in Denver for 11h 57m
Tue Aug 27th 2024 United Airlines · UA 652 Depart at 9:40am from Denver (DEN) Fly for 2h 3m Arrive at 12:43pm in St. Louis (STL)
Book Flight
USD 275
7:00am - 11:59pm
Mon Aug 26th
14h 59m
Ontario (ONT) → St. Louis (STL)
2 Stops
Mon Aug 26th 2024 Alaska Airlines · AS 37 Depart at 7:00am from Ontario (ONT) Fly for 2h 21m Arrive at 9:21am in Portland (PDX)
Layover in Portland for 5h 39m
Mon Aug 26th 2024 Alaska Airlines · AS 2369 Depart at 3:00pm from Portland (PDX) Fly for 0h 59m Arrive at 3:59pm in Seattle (SEA)
Layover in Seattle for 2h 9m
Mon Aug 26th 2024 Alaska Airlines · AS 472 Depart at 6:08pm from Seattle (SEA) Fly for 3h 51m Arrive at 11:59pm in St. Louis (STL)
Book Flight
USD 275
7:00am - 11:59pm
Mon Aug 26th
14h 59m
Ontario (ONT) → St. Louis (STL)
2 Stops
Mon Aug 26th 2024 Alaska Airlines · AS 37 Depart at 7:00am from Ontario (ONT) Fly for 2h 21m Arrive at 9:21am in Portland (PDX)
Layover in Portland for 4h 23m
Mon Aug 26th 2024 Alaska Airlines · AS 1008 Depart at 1:44pm from Portland (PDX) Fly for 1h 8m Arrive at 2:52pm in Seattle (SEA)
Layover in Seattle for 3h 16m
Mon Aug 26th 2024 Alaska Airlines · AS 472 Depart at 6:08pm from Seattle (SEA) Fly for 3h 51m Arrive at 11:59pm in St. Louis (STL)
Book Flight
USD 285
7:33pm - 1:25pm
Mon Aug 26th
15h 52m
Ontario (ONT) → St. Louis (STL)
2 Stops
Mon Aug 26th 2024 Alaska Airlines · AS 2411 Depart at 7:33pm from Ontario (ONT) Fly for 2h 19m Arrive at 9:52pm in Portland (PDX)
Layover in Portland for 7h 8m
Tue Aug 27th 2024 Alaska Airlines · AS 1032 Depart at 5:00am from Portland (PDX) Fly for 1h 2m Arrive at 6:02am in Seattle (SEA)
Layover in Seattle for 1h 27m
Tue Aug 27th 2024 Alaska Airlines · AS 388 Depart at 7:29am from Seattle (SEA) Fly for 3h 56m Arrive at 1:25pm in St. Louis (STL)
Book Flight
USD 291
7:00am - 11:59pm
Fri Aug 23rd
14h 59m
Ontario (ONT) → St. Louis (STL)
2 Stops
Fri Aug 23rd 2024 Alaska Airlines · AS 37 Depart at 7:00am from Ontario (ONT) Fly for 2h 21m Arrive at 9:21am in Portland (PDX)
Layover in Portland for 1h 9m
Fri Aug 23rd 2024 Alaska Airlines · AS 970 Depart at 10:30am from Portland (PDX) Fly for 1h 7m Arrive at 11:37am in Seattle (SEA)
Layover in Seattle for 6h 31m
Fri Aug 23rd 2024 Alaska Airlines · AS 472 Depart at 6:08pm from Seattle (SEA) Fly for 3h 51m Arrive at 11:59pm in St. Louis (STL)
Book Flight
USD 297
6:00am - 8:46pm
Fri Aug 23rd
12h 46m
Ontario (ONT) → St. Louis (STL)
2 Stops
Fri Aug 23rd 2024 Alaska Airlines · AS 1091 Depart at 6:00am from Ontario (ONT) Fly for 2h 45m Arrive at 8:45am in Seattle (SEA)
Layover in Seattle for 0h 49m
Fri Aug 23rd 2024 Alaska Airlines · AS 624 Depart at 9:34am from Seattle (SEA) Fly for 2h 54m Arrive at 12:28pm in Phoenix (PHX)
Layover in Phoenix for 3h 17m
Fri Aug 23rd 2024 Alaska Airlines · AS 6252 Depart at 3:45pm from Phoenix (PHX) Fly for 3h 1m Arrive at 8:46pm in St. Louis (STL)
Book Flight
USD 297
7:00am - 10:42pm
Fri Aug 23rd
13h 42m
Ontario (ONT) → St. Louis (STL)
2 Stops
Fri Aug 23rd 2024 Alaska Airlines · AS 37 Depart at 7:00am from Ontario (ONT) Fly for 2h 21m Arrive at 9:21am in Portland (PDX)
Layover in Portland for 2h 14m
Fri Aug 23rd 2024 Alaska Airlines · AS 1172 Depart at 11:35am from Portland (PDX) Fly for 2h 29m Arrive at 2:04pm in Los Angeles (LAX)
Layover in Los Angeles for 2h 56m
Fri Aug 23rd 2024 Alaska Airlines · AS 4273 Depart at 5:00pm from Los Angeles (LAX) Fly for 3h 42m Arrive at 10:42pm in St. Louis (STL)
Book Flight
USD 297
7:00am - 10:48pm
Fri Aug 23rd
13h 48m
Ontario (ONT) → St. Louis (STL)
2 Stops
Fri Aug 23rd 2024 Alaska Airlines · AS 37 Depart at 7:00am from Ontario (ONT) Fly for 2h 21m Arrive at 9:21am in Portland (PDX)
Layover in Portland for 2h 23m
Fri Aug 23rd 2024 Alaska Airlines · AS 254 Depart at 11:44am from Portland (PDX) Fly for 3h 45m Arrive at 5:29pm in Dallas (DFW)
Layover in Dallas for 3h 29m
Fri Aug 23rd 2024 Alaska Airlines · AS 4301 Depart at 8:58pm from Dallas (DFW) Fly for 1h 50m Arrive at 10:48pm in St. Louis (STL)
Book Flight
USD 297
4:28pm - 9:04am
Fri Aug 23rd
14h 36m
Ontario (ONT) → St. Louis (STL)
2 Stops
Fri Aug 23rd 2024 Alaska Airlines · AS 1119 Depart at 4:28pm from Ontario (ONT) Fly for 2h 38m Arrive at 7:06pm in Seattle (SEA)
Layover in Seattle for 3h 39m
Fri Aug 23rd 2024 Alaska Airlines · AS 542 Depart at 10:45pm from Seattle (SEA) Fly for 3h 43m Arrive at 4:28am in Dallas (DFW)
Layover in Dallas for 2h 41m
Sat Aug 24th 2024 Alaska Airlines · AS 6020 Depart at 7:09am from Dallas (DFW) Fly for 1h 55m Arrive at 9:04am in St. Louis (STL)
Book Flight
USD 301
7:33pm - 10:07am
Mon Aug 26th
12h 34m
Ontario (ONT) → St. Louis (STL)
2 Stops
Mon Aug 26th 2024 Alaska Airlines · AS 2411 Depart at 7:33pm from Ontario (ONT) Fly for 2h 19m Arrive at 9:52pm in Portland (PDX)
Layover in Portland for 1h 36m
Mon Aug 26th 2024 Alaska Airlines · AS 340 Depart at 11:28pm from Portland (PDX) Fly for 4h 2m Arrive at 5:30am in Chicago (ORD)
Layover in Chicago for 3h 20m
Tue Aug 27th 2024 Alaska Airlines · AS 4764 Depart at 8:50am from Chicago (ORD) Fly for 1h 17m Arrive at 10:07am in St. Louis (STL)
Book Flight
USD 302
4:28pm - 9:04am
Sat Aug 24th
14h 36m
Ontario (ONT) → St. Louis (STL)
2 Stops
Sat Aug 24th 2024 Alaska Airlines · AS 1119 Depart at 4:28pm from Ontario (ONT) Fly for 2h 38m Arrive at 7:06pm in Seattle (SEA)
Layover in Seattle for 3h 39m
Sat Aug 24th 2024 Alaska Airlines · AS 542 Depart at 10:45pm from Seattle (SEA) Fly for 3h 43m Arrive at 4:28am in Dallas (DFW)
Layover in Dallas for 2h 41m
Sun Aug 25th 2024 Alaska Airlines · AS 6020 Depart at 7:09am from Dallas (DFW) Fly for 1h 55m Arrive at 9:04am in St. Louis (STL)
Book Flight
USD 306
6:00am - 6:34pm
Fri Aug 23rd
10h 34m
Ontario (ONT) → St. Louis (STL)
1 Stop
Fri Aug 23rd 2024 Alaska Airlines · AS 1091 Depart at 6:00am from Ontario (ONT) Fly for 2h 45m Arrive at 8:45am in Seattle (SEA)
Layover in Seattle for 3h 53m
Fri Aug 23rd 2024 Alaska Airlines · AS 515 Depart at 12:38pm from Seattle (SEA) Fly for 3h 56m Arrive at 6:34pm in St. Louis (STL)
Book Flight
USD 313
5:05am - 12:43pm
Mon Aug 26th
5h 38m
Ontario (ONT) → St. Louis (STL)
1 Stop
Mon Aug 26th 2024 United Airlines · UA 2734 Depart at 5:05am from Ontario (ONT) Fly for 2h 18m Arrive at 8:23am in Denver (DEN)
Layover in Denver for 1h 17m
Mon Aug 26th 2024 United Airlines · UA 652 Depart at 9:40am from Denver (DEN) Fly for 2h 3m Arrive at 12:43pm in St. Louis (STL)
Book Flight
USD 313
1:32pm - 9:28pm
Mon Aug 26th
5h 56m
Ontario (ONT) → St. Louis (STL)
1 Stop
Mon Aug 26th 2024 United Airlines · UA 1464 Depart at 1:32pm from Ontario (ONT) Fly for 2h 16m Arrive at 4:48pm in Denver (DEN)
Layover in Denver for 1h 32m
Mon Aug 26th 2024 United Airlines · UA 1422 Depart at 6:20pm from Denver (DEN) Fly for 2h 8m Arrive at 9:28pm in St. Louis (STL)
Book Flight
USD 326
5:05am - 4:36pm
Fri Aug 23rd
9h 31m
Ontario (ONT) → St. Louis (STL)
1 Stop
Fri Aug 23rd 2024 United Airlines · UA 2734 Depart at 5:05am from Ontario (ONT) Fly for 2h 18m Arrive at 8:23am in Denver (DEN)
Layover in Denver for 5h 9m
Fri Aug 23rd 2024 United Airlines · UA 1315 Depart at 1:32pm from Denver (DEN) Fly for 2h 4m Arrive at 4:36pm in St. Louis (STL)
Book Flight
USD 333
11:30am - 11:59pm
Mon Aug 26th
10h 29m
Ontario (ONT) → St. Louis (STL)
2 Stops
Mon Aug 26th 2024 Alaska Airlines · AS 2333 Depart at 11:30am from Ontario (ONT) Fly for 2h 21m Arrive at 1:51pm in Portland (PDX)
Layover in Portland for 1h 9m
Mon Aug 26th 2024 Alaska Airlines · AS 2369 Depart at 3:00pm from Portland (PDX) Fly for 0h 59m Arrive at 3:59pm in Seattle (SEA)
Layover in Seattle for 2h 9m
Mon Aug 26th 2024 Alaska Airlines · AS 472 Depart at 6:08pm from Seattle (SEA) Fly for 3h 51m Arrive at 11:59pm in St. Louis (STL)
Book Flight

Sarah Belizaire

@sarahbb1

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John Ford

@eyupitsjohn

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Roaming Sonaa

@roamingsonaa

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Read Sonaa's 7 Amazing Skyscanner Alternatives for Booking Travel

ANDY TRAVELS

@andy_travels

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Travel With Bender

@travelwitbender

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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?)