$112+ Cheap flights from Washington to Missouri
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MCI
Aug 1 — Aug 81
Round-trip
1 adult, Economy
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1. Tell us where you want to go
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Cheapest flights from Washington to MissouriExplore the most affordable flight options available from Washington to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2026.
Explore the most affordable flight options available from Washington to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2026.
This Frontier deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/119:34 pm
PDX
- STL
1 stop12h 17m
Frontier
Sun 9/1312:46 pm
STL
- PDX
1 stop9h 53m
Frontier
Deal found 7/1![Frontier logo]()
$240
This CheapOair deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:49 pm
PDX
- STL
1 stop21h 26m
Frontier
Fri 8/78:08 pm
STL
- PDX
1 stop22h 43m
Frontier
Deal found 7/2![Frontier logo]()
$250
This Frontier deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2212:20 pm
PDX
- MCI
1 stop22h 33m
Frontier
Sat 8/291:38 pm
MCI
- PDX
1 stop5h 33m
Frontier
Deal found 6/29![Frontier logo]()
$252
This Booking.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/233:22 pm
PDX
- MCI
1 stop20h 00m
Frontier
Tue 9/292:17 pm
MCI
- PDX
1 stop26h 10m
Frontier
Deal found 7/2![Frontier logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:13 pm
PSC
- STL
1 stop20h 37m
Multiple Airlines
Thu 8/276:45 pm
STL
- PSC
1 stop24h 29m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$262
This CheapOair deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/145:16 pm
PDX
- STL
1 stop24h 07m
Frontier
Thu 7/167:10 pm
STL
- PDX
1 stop23h 44m
Frontier
Deal found 6/28![Frontier logo]()
$268
This Booking.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/223:22 pm
PDX
- MCI
1 stop20h 00m
Frontier
Mon 9/281:50 pm
MCI
- PDX
1 stop8h 49m
Frontier
Deal found 7/2![Frontier logo]()
$271
This Priceline deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:03 am
PDX
- MCI
Nonstop3h 35m
Multiple Airlines
Sat 8/291:38 pm
MCI
- PDX
1 stop5h 33m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$274
This CheapOair deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:21 pm
PDX
- STL
1 stop24h 02m
Frontier
Tue 8/118:08 pm
STL
- PDX
1 stop22h 28m
Frontier
Deal found 6/30![Frontier logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1412:20 pm
PDX
- MCI
1 stop22h 40m
Frontier
Sun 8/164:32 pm
MCI
- PDX
1 stop26h 22m
Frontier
Deal found 6/29![Frontier logo]()
$276
This Frontier deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:34 pm
PDX
- STL
1 stop12h 17m
Frontier
Mon 9/1412:46 pm
STL
- PDX
1 stop9h 53m
Frontier
Deal found 7/1![Frontier logo]()
$276
This Orbitz deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:03 am
PDX
- MCI
Nonstop3h 35m
Multiple Airlines
Sun 9/132:17 pm
MCI
- PDX
1 stop28h 18m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$279
Best flights from Washington to MissouriDiscover carefully curated flight deals from Washington to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 2, 2026.
Discover carefully curated flight deals from Washington to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 2, 2026.
This Southwest deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:25 pm
PDX
- STL
1 stop6h 25m
Southwest
Sun 9/139:55 pm
STL
- PDX
Nonstop4h 10m
Southwest
Deal found 6/30![Southwest logo]()
$309
This American Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1511:08 pm
PDX
- SGF
1 stop9h 00m
American Airlines
Sat 9/196:49 pm
SGF
- PDX
1 stop6h 34m
American Airlines
Deal found 7/2![American Airlines logo]()
$313
This Delta deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/712:35 am
PDX
- STL
1 stop7h 48m
Delta
Mon 8/178:00 am
STL
- PDX
1 stop6h 10m
Delta
Deal found 6/29![Delta logo]()
$319
This Alaska Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2911:16 am
PDX
- STL
Nonstop3h 54m
Alaska Airlines
Wed 9/306:08 pm
STL
- PDX
Nonstop4h 12m
Alaska Airlines
Deal found 6/28![Alaska Airlines logo]()
$337
This United Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:10 am
PDX
- SGF
1 stop9h 45m
United Airlines
Sun 8/235:30 am
SGF
- PDX
1 stop6h 02m
United Airlines
Deal found 6/29![United Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2211:40 am
PDX
- MCI
Nonstop3h 20m
Southwest
Sat 8/2911:35 am
MCI
- PDX
2 stops8h 05m
Southwest
Deal found 6/30![Southwest logo]()
$312
This Delta deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/133:00 pm
PDX
- MCI
1 stop6h 27m
Delta
Mon 8/177:15 am
MCI
- PDX
1 stop6h 30m
Delta
Deal found 6/28![Delta logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:52 am
GEG
- STL
1 stop6h 29m
Alaska Airlines
Wed 9/236:08 pm
STL
- GEG
1 stop7h 03m
Alaska Airlines
Deal found 6/28![Alaska Airlines logo]()
$357
This Southwest deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:05 am
PDX
- MCI
2 stops8h 20m
Southwest
Tue 9/2911:45 am
MCI
- PDX
2 stops8h 05m
Southwest
Deal found 6/28![Southwest logo]()
$327
This United Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2611:13 pm
SEA
- SGF
1 stop9h 32m
United Airlines
Sat 10/105:30 am
SGF
- SEA
1 stop6h 31m
United Airlines
Deal found 6/28![United Airlines logo]()
$361
This Southwest deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/911:35 am
PDX
- MCI
2 stops8h 45m
Southwest
Sun 9/137:40 pm
MCI
- PDX
1 stop6h 00m
Southwest
Deal found 6/29![Southwest logo]()
$328
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/222:05 pm
GEG
- STL
1 stop7h 11m
Delta
Sat 9/263:52 pm
STL
- GEG
1 stop5h 39m
Delta
Deal found 7/2![Delta logo]()
$363
This Alaska Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/211:39 pm
GEG
- STL
1 stop8h 20m
Alaska Airlines
Thu 9/246:29 am
STL
- GEG
1 stop8h 10m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$363
This United Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:00 am
GEG
- SGF
1 stop5h 56m
United Airlines
Tue 9/111:23 am
SGF
- GEG
2 stops11h 23m
United Airlines
Deal found 6/28![United Airlines logo]()
$394
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:00 pm
GEG
- STL
1 stop5h 41m
Delta
Sat 8/225:00 pm
STL
- GEG
1 stop7h 31m
Delta
Deal found 7/2![Delta logo]()
$363
This Alaska Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/212:33 pm
GEG
- STL
1 stop7h 26m
Alaska Airlines
Sat 9/266:29 am
STL
- GEG
1 stop8h 10m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$363
This Southwest deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/215:15 am
PDX
- STL
1 stop6h 55m
Southwest
Sun 7/263:45 pm
STL
- PDX
1 stop6h 20m
Southwest
Deal found 7/1![Southwest logo]()
$348
This American Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/283:24 pm
PSC
- STL
1 stop6h 34m
American Airlines
Tue 8/45:32 am
STL
- PSC
2 stops10h 34m
American Airlines
Deal found 7/1![American Airlines logo]()
$468
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/225:10 pm
GEG
- STL
1 stop5h 31m
Delta
Tue 7/287:55 pm
STL
- GEG
1 stop6h 00m
Delta
Deal found 7/1![Delta logo]()
$363
This Alaska Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:14 am
SEA
- MCI
Nonstop3h 38m
Alaska Airlines
Wed 9/22:48 pm
MCI
- SEA
1 stop6h 03m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$365
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:40 am
PDX
- STL
2 stops10h 41m
United Airlines
Wed 9/304:39 pm
STL
- PDX
1 stop6h 31m
United Airlines
Deal found 7/1![United Airlines logo]()
$424
This Alaska Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1211:50 am
PDX
- MCI
Nonstop3h 25m
Alaska Airlines
Mon 11/162:53 pm
MCI
- PDX
1 stop9h 02m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$367
This Southwest deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1312:40 pm
PDX
- MCI
2 stops9h 30m
Southwest
Sun 8/167:40 pm
MCI
- PDX
1 stop6h 00m
Southwest
Deal found 6/27![Southwest logo]()
$373
This Delta deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:36 pm
SEA
- MCI
1 stop8h 51m
Delta
Sat 9/267:05 am
MCI
- SEA
Nonstop3h 55m
Delta
Deal found 6/29![Delta logo]()
$380
This American Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/125:40 am
GEG
- SGF
1 stop6h 16m
American Airlines
Tue 8/183:53 pm
SGF
- GEG
1 stop6h 49m
American Airlines
Deal found 7/2![American Airlines logo]()
$520
This United Airlines deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:00 am
SEA
- SGF
1 stop7h 11m
United Airlines
Sun 8/305:30 am
SGF
- SEA
2 stops8h 50m
United Airlines
Deal found 6/27![United Airlines logo]()
$434
This Alaska Airlines deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/411:48 am
PDX
- MCI
1 stop10h 11m
Alaska Airlines
Mon 9/72:48 pm
MCI
- PDX
Nonstop3h 52m
Alaska Airlines
Deal found 6/27![Alaska Airlines logo]()
$367
This Southwest deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/612:40 pm
PDX
- MCI
2 stops9h 30m
Southwest
Mon 8/103:10 pm
MCI
- PDX
1 stop8h 05m
Southwest
Deal found 6/28![Southwest logo]()
$373
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:08 pm
PDX
- STL
1 stop5h 33m
Delta
Wed 8/123:39 pm
STL
- PDX
1 stop8h 05m
Delta
Deal found 7/1![Delta logo]()
$389
This United Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/74:18 pm
GEG
- SGF
1 stop5h 24m
United Airlines
Fri 8/145:05 pm
SGF
- GEG
1 stop5h 41m
United Airlines
Deal found 6/30![United Airlines logo]()
$440
Last-minute flights from Washington to MissouriDiscover last-minute flight deals from Washington to Missouri. Data last updated July 2, 2026 and is based on user searches.
Discover last-minute flight deals from Washington to Missouri. Data last updated July 2, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/56:49 pm
PDX
- MCI
1 stop18h 58m
Frontier
Tue 7/74:58 pm
MCI
- PDX
1 stop25h 38m
Frontier
Deal found 6/30![Frontier logo]()
$288
This CheapOair deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/145:16 pm
PDX
- STL
1 stop24h 07m
Frontier
Thu 7/167:10 pm
STL
- PDX
1 stop23h 44m
Frontier
Deal found 6/28![Frontier logo]()
$268
This CheapOair deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:21 pm
PDX
- STL
1 stop24h 02m
Frontier
Sat 7/188:08 pm
STL
- PDX
1 stop22h 43m
Frontier
Deal found 6/28![Frontier logo]()
$298
This CheapOair deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:49 pm
PDX
- STL
1 stop21h 26m
Frontier
Fri 8/78:08 pm
STL
- PDX
1 stop22h 43m
Frontier
Deal found 7/2![Frontier logo]()
$250
This CheapOair deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/315:49 pm
PDX
- STL
1 stop22h 26m
Frontier
Mon 8/38:08 pm
STL
- PDX
1 stop22h 23m
Frontier
Deal found 6/28![Frontier logo]()
$289
This CheapOair deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:21 pm
PDX
- STL
1 stop24h 02m
Frontier
Tue 8/118:08 pm
STL
- PDX
1 stop22h 28m
Frontier
Deal found 6/30![Frontier logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:21 pm
PDX
- STL
2 stops22h 16m
Frontier
Wed 8/127:03 pm
STL
- PDX
1 stop25h 01m
Frontier
Deal found 6/30![Frontier logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1412:20 pm
PDX
- MCI
1 stop22h 40m
Frontier
Sun 8/164:32 pm
MCI
- PDX
1 stop26h 22m
Frontier
Deal found 6/29![Frontier logo]()
$276
This Frontier deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2212:20 pm
PDX
- MCI
1 stop22h 33m
Frontier
Sat 8/291:38 pm
MCI
- PDX
1 stop5h 33m
Frontier
Deal found 6/29![Frontier logo]()
$252
This Priceline deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:03 am
PDX
- MCI
Nonstop3h 35m
Multiple Airlines
Sat 8/291:38 pm
MCI
- PDX
1 stop5h 33m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$274
This Alaska Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:03 am
PDX
- MCI
Nonstop3h 35m
Alaska Airlines
Sat 8/292:48 pm
MCI
- PDX
Nonstop3h 52m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:13 pm
PSC
- STL
1 stop20h 37m
Multiple Airlines
Thu 8/276:45 pm
STL
- PSC
1 stop24h 29m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$262
One-way flights from Washington to MissouriSearch for one-way flight options from Washington to Missouri. Find affordable one-way fares based on user searches. Data last updated July 2, 2026.
Search for one-way flight options from Washington to Missouri. Find affordable one-way fares based on user searches. Data last updated July 2, 2026.
This Trip.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:53 pm
SEA
- MCI
1 stop12h 37m
Frontier
Deal found 7/2![Frontier logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/228:53 pm
SEA
- MCI
1 stop17h 09m
Frontier
Deal found 6/30![Frontier logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/268:53 pm
SEA
- MCI
1 stop17h 09m
Frontier
Deal found 7/1![Frontier logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:13 pm
SEA
- MCI
1 stop17h 34m
Frontier
Deal found 6/29![Frontier logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:53 pm
SEA
- MCI
1 stop16h 54m
Frontier
Deal found 6/30![Frontier logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/209:29 pm
SEA
- MCI
1 stop16h 33m
Frontier
Deal found 6/27![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:06 pm
SEA
- MCI
1 stop15h 54m
Frontier
Deal found 7/2![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/279:29 pm
SEA
- MCI
1 stop16h 33m
Frontier
Deal found 7/1![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:00 am
SEA
- MCI
1 stop28h 22m
Frontier
Deal found 7/2![Frontier logo]()
$124
This Frontier deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/289:34 pm
PDX
- STL
1 stop12h 17m
Frontier
Deal found 6/28![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/239:29 pm
SEA
- MCI
1 stop16h 33m
Frontier
Deal found 6/30![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:17 pm
PDX
- STL
1 stop21h 33m
Frontier
Deal found 7/2![Frontier logo]()
$127
Find flight deals from Washington to Missouri
Keep the following information in mind while searching for Washington to Missouri flight deals. Data was last updated July 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $240 (Frontier) |
One-way from | $112 (Trip.com) |
Popular in | December |
Cheapest in | January |
Average price | $403 |
Good round-trip deal | $387 or less |
Good one-way deal | $233 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Washington to Missouri that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 2, 2026.
Use the filters below to find and compare flights from Washington to Missouri that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandSt. Louis
PDX - STL
PDXSTL
Portland
Fri 9/11
3:25 pm-11:50 pm
1 stop6h 25m
Lambert-St Louis
Sun 9/13
9:55 pm-12:05 am
Nonstop4h 10m
$309
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Sat 8/22
11:40 am-5:00 pm
Nonstop3h 20m
Kansas City
Sat 8/29
11:35 am-5:40 pm
2 stops8h 05m
$312
PortlandSpringfield
PDX - SGF
PDXSGF
Portland
Tue 9/15
11:08 pm-10:08 am
1 stop9h 00m
Springfield-Branson
Sat 9/19
6:49 pm-11:23 pm
1 stop6h 34m
$313
PortlandSt. Louis
PDX - STL
PDXSTL
Portland
Fri 8/7
12:35 am-10:23 am
1 stop7h 48m
Lambert-St Louis
Mon 8/17
8:00 am-12:10 pm
1 stop6h 10m
$319
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Tue 9/15
7:05 am-5:25 pm
2 stops8h 20m
Kansas City
Tue 9/29
11:45 am-5:50 pm
2 stops8h 05m
$327
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Wed 9/9
11:35 am-10:20 pm
2 stops8h 45m
Kansas City
Sun 9/13
7:40 pm-11:40 pm
1 stop6h 00m
$328
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Thu 8/13
3:00 pm-11:27 pm
1 stop6h 27m
Kansas City
Mon 8/17
7:15 am-11:45 am
1 stop6h 30m
$329
Quickest round-trip
PortlandSt. Louis
PDX - STL
PDXSTL
Portland
Tue 9/29
11:16 am-5:10 pm
Nonstop3h 54m
Lambert-St Louis
Wed 9/30
6:08 pm-8:20 pm
Nonstop4h 12m
$337
PortlandSt. Louis
PDX - STL
PDXSTL
Portland
Tue 7/21
5:15 am-2:10 pm
1 stop6h 55m
Lambert-St Louis
Sun 7/26
3:45 pm-8:05 pm
1 stop6h 20m
$348
PortlandSpringfield
PDX - SGF
PDXSGF
Portland
Thu 8/20
7:10 am-6:55 pm
1 stop9h 45m
Springfield-Branson
Sun 8/23
5:30 am-9:32 am
1 stop6h 02m
$349
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Washington to Missouri
Have a flexible travel schedule? Discover the best time to fly to Missouri from Washington with our price prediction graph.
PDX-STL
PDX-MCI
PSC-STL
SEA-SGF
GEG-STL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Washington to Missouri
USWA-USMO
PDX-STL
PDX-MCI
PSC-STL
SEA-SGF
What is the cheapest month to book a flight from State of Washington to Missouri?
Currently, January is the cheapest month in which you can book a flight from State of Washington to Missouri (average of $88). Flying from State of Washington to Missouri in June is currently the most expensive (average of $202). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from WA to MO?
Find hourly flight availability from Washington to Missouri. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 2, 2026.
When flying from State of Washington to Missouri, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from State of Washington to Missouri
Explore weekly flight availability from Washington to Missouri. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 2, 2026.
The most flights from USWA to USMO are scheduled on a Thursday (13 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).
How much does it cost to fly round-trip from State of Washington to Missouri?
How far ahead should I book a flight from State of Washington to Missouri?
The best time to book flights from State of Washington to Missouri is 76 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Reviews of airlines servicing Missouri
Get insights into the airlines that provide service to Missouri. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Missouri. Reviews last updated July 2, 2026.
Read through reviews of airlines operating flights from Washington to Missouri, such as Alaska Airlines,Southwest, andDelta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Food
7.1
Crew
8.5
Boarding
8.1
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Food
7.1
Crew
8.5
Boarding
8.1
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Food
7.1
Crew
8.5
Boarding
8.1
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Food
7.1
Crew
8.5
Boarding
8.1
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Food
7.1
Crew
8.5
Boarding
8.1
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Food
7.1
Crew
8.5
Boarding
8.1
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Related info for your journey
Find useful and relevant information for your journey from Washington to Missouri. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Washington to Missouri
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Missouri by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Washington to Missouri by cabin class
Find flights from Washington to Missouri, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Washington and Missouri flights
Browse other Washington and Missouri flight options. Last updated on July 2, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Missouri
Find the right flight back to Washington after your stay in Missouri
Washington to Missouri flights
Consider these flights traveling from Washington to Missouri.
Top 7 airlines flying from Washington to Missouri
Discover the top 7 airlines that operate flights from Washington to Missouri. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$104 | Average$383 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$135 | Average$271 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$148 | Average$355 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$157 | Average$462 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$169 | Average$440 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$188 | Average$509 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$199 | Average$493 | FlexibilityNo cancel fee | On-time75% |