$106+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MCI
Jul 2 — Jul 91
Round-trip
1 adult, Economy
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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 June 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 June 2, 2026.
This American Airlines deal was found by Cheapflights users on 5/31. 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 9/156:00 am
PDX
- STL
1 stop6h 44m
American Airlines
Tue 9/225:43 am
STL
- PDX
1 stop7h 16m
American Airlines
Deal found 5/31![American Airlines logo]()
$211
This United Airlines deal was found by Cheapflights users on 6/1. 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 8/257:16 am
PDX
- MCI
1 stop6h 56m
United Airlines
Tue 9/16:20 am
MCI
- PDX
1 stop7h 39m
United Airlines
Deal found 6/1![United Airlines logo]()
$212
This Delta deal was found by Cheapflights users on 5/29. 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.
Tue 8/185:45 am
PDX
- MCI
1 stop6h 23m
Delta
Wed 8/197:15 am
MCI
- PDX
1 stop6h 25m
Delta
Deal found 5/29![Delta logo]()
$217
This Southwest deal was found by Cheapflights users on 5/28. 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.
Wed 8/265:50 am
PDX
- MCI
1 stop6h 55m
Southwest
Wed 8/266:15 pm
MCI
- PDX
1 stop6h 05m
Southwest
Deal found 5/28![Southwest logo]()
$218
This Southwest deal was found by Cheapflights users on 6/1. 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 8/251:05 pm
PDX
- MCI
1 stop7h 15m
Southwest
Tue 9/112:45 pm
MCI
- PDX
2 stops9h 05m
Southwest
Deal found 6/1![Southwest logo]()
$222
This Delta deal was found by Cheapflights users on 5/29. 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 9/2112:20 am
PDX
- STL
1 stop8h 06m
Delta
Thu 9/246:55 pm
STL
- PDX
1 stop6h 45m
Delta
Deal found 5/29![Delta logo]()
$231
This Delta deal was found by Cheapflights users on 5/29. 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.
Tue 8/185:45 am
PDX
- MCI
1 stop6h 23m
Delta
Sat 8/2212:18 pm
MCI
- PDX
1 stop7h 16m
Delta
Deal found 5/29![Delta logo]()
$238
This Southwest deal was found by Cheapflights users on 5/29. 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.
Mon 8/172:05 pm
PDX
- MCI
1 stop7h 10m
Southwest
Sat 8/221:35 pm
MCI
- PDX
Nonstop3h 35m
Southwest
Deal found 5/29![Southwest logo]()
$250
This Delta deal was found by Cheapflights users on 5/29. 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.
Sat 8/153:25 pm
PDX
- MCI
1 stop5h 37m
Delta
Sat 8/226:28 am
MCI
- PDX
1 stop9h 10m
Delta
Deal found 5/29![Delta logo]()
$259
This Southwest deal was found by Cheapflights users on 6/1. 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 8/185:50 am
PDX
- STL
1 stop7h 15m
Southwest
Mon 8/246:05 am
STL
- PDX
1 stop10h 55m
Southwest
Deal found 6/1![Southwest logo]()
$265
This American Airlines deal was found by Cheapflights users on 5/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/43:00 pm
PDX
- MCI
1 stop6h 36m
American Airlines
Wed 9/95:24 pm
MCI
- PDX
1 stop7h 59m
American Airlines
Deal found 5/30![American Airlines logo]()
$273
This Southwest deal was found by Cheapflights users on 5/29. 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.
Thu 9/2411:30 pm
PDX
- MCI
1 stop6h 15m
Southwest
Mon 9/282:35 pm
MCI
- PDX
1 stop8h 10m
Southwest
Deal found 5/29![Southwest logo]()
$277
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 June 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 June 2, 2026.
This Delta deal was found by Cheapflights users on 5/29. 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.
Wed 10/145:05 pm
PDX
- STL
1 stop5h 31m
Delta
Wed 10/282:18 pm
STL
- PDX
1 stop9h 35m
Delta
Deal found 5/29![Delta logo]()
$319
This Alaska Airlines deal was found by Cheapflights users on 6/1. 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.
Tue 8/181:26 pm
GEG
- MCI
1 stop8h 33m
Alaska Airlines
Wed 8/197:00 am
MCI
- GEG
1 stop7h 31m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$321
This Southwest deal was found by Cheapflights users on 5/31. 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.
Mon 6/2911:30 pm
PDX
- MCI
1 stop7h 50m
Southwest
Mon 7/68:25 pm
MCI
- PDX
1 stop6h 10m
Southwest
Deal found 5/31![Southwest logo]()
$329
This United Airlines deal was found by Cheapflights users on 6/1. 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 9/2912:57 pm
PDX
- STL
1 stop7h 33m
United Airlines
Wed 9/305:10 am
STL
- PDX
1 stop6h 21m
United Airlines
Deal found 6/1![United Airlines logo]()
$351
This American Airlines deal was found by Cheapflights users on 6/2. 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.
Thu 6/185:06 am
PDX
- MCI
1 stop6h 21m
American Airlines
Mon 6/227:48 pm
MCI
- PDX
1 stop7h 02m
American Airlines
Deal found 6/2![American Airlines logo]()
$434
This Kiwi.com deal was found by Cheapflights users on 5/30. 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 7/96:49 pm
PDX
- SGF
1 stop15h 42m
Multiple Airlines
Sun 7/121:31 pm
SGF
- PDX
2 stops28h 55m
Multiple Airlines
Deal found 5/30![Multiple Airlines logo]()
$620
This Delta deal was found by Cheapflights users on 6/1. 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.
Tue 10/206:15 am
PDX
- SGF
2 stops14h 17m
Delta
Tue 11/33:30 pm
SGF
- PDX
2 stops10h 21m
Delta
Deal found 6/1![Delta logo]()
$323
This Southwest deal was found by Cheapflights users on 5/29. 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.
Fri 6/265:00 pm
PDX
- MCI
1 stop6h 30m
Southwest
Mon 6/295:15 pm
MCI
- PDX
1 stop5h 45m
Southwest
Deal found 5/29![Southwest logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 5/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:44 pm
GEG
- STL
1 stop9h 15m
Alaska Airlines
Wed 10/144:40 pm
STL
- GEG
1 stop6h 45m
Alaska Airlines
Deal found 5/29![Alaska Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 5/29. 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.
Thu 11/191:38 pm
PDX
- MCI
1 stop7h 22m
Delta
Tue 12/17:40 pm
MCI
- PDX
1 stop6h 11m
Delta
Deal found 5/29![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 6/1. 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 8/185:00 am
GEG
- MCI
1 stop5h 37m
United Airlines
Wed 8/191:43 pm
MCI
- GEG
2 stops10h 53m
United Airlines
Deal found 6/1![United Airlines logo]()
$389
This Southwest deal was found by Cheapflights users on 5/28. 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.
Wed 8/510:30 pm
SEA
- STL
2 stops14h 40m
Southwest
Wed 8/125:25 pm
STL
- SEA
1 stop8h 00m
Southwest
Deal found 5/28![Southwest logo]()
$355
This Alaska Airlines deal was found by Cheapflights users on 6/1. 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.
Tue 9/15:52 am
GEG
- STL
1 stop6h 14m
Alaska Airlines
Wed 9/26:08 pm
STL
- GEG
1 stop7h 03m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$366
This Delta deal was found by Cheapflights users on 5/31. 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 10/296:15 am
PDX
- SGF
2 stops9h 55m
Delta
Thu 11/53:30 pm
SGF
- PDX
2 stops10h 21m
Delta
Deal found 5/31![Delta logo]()
$359
This American Airlines deal was found by Cheapflights users on 5/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/32:29 pm
GEG
- STL
1 stop7h 47m
American Airlines
Thu 8/65:59 am
STL
- GEG
1 stop9h 38m
American Airlines
Deal found 5/28![American Airlines logo]()
$440
This United Airlines deal was found by Cheapflights users on 5/29. 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.
Wed 9/304:07 pm
PDX
- MCI
1 stop5h 24m
United Airlines
Tue 11/36:10 am
MCI
- PDX
1 stop8h 03m
United Airlines
Deal found 5/29![United Airlines logo]()
$414
This Alaska Airlines deal was found by Cheapflights users on 6/1. 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.
Tue 9/2911:16 am
PDX
- STL
Nonstop3h 54m
Alaska Airlines
Wed 9/306:08 pm
STL
- PDX
Nonstop4h 12m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 6/1. 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.
Wed 9/96:15 am
GEG
- STL
1 stop9h 35m
Southwest
Fri 9/113:45 pm
STL
- GEG
2 stops8h 15m
Southwest
Deal found 6/1![Southwest logo]()
$396
This Delta deal was found by Cheapflights users on 5/29. 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.
Tue 7/285:20 am
GEG
- MCI
1 stop6h 37m
Delta
Wed 8/56:01 pm
MCI
- GEG
1 stop7h 25m
Delta
Deal found 5/29![Delta logo]()
$363
This United Airlines deal was found by Cheapflights users on 5/30. 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 6/123:40 pm
SEA
- STL
1 stop6h 17m
United Airlines
Sun 6/146:14 am
STL
- SEA
1 stop8h 35m
United Airlines
Deal found 5/30![United Airlines logo]()
$417
This Alaska Airlines deal was found by Cheapflights users on 6/1. 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 11/1911:50 am
PDX
- MCI
Nonstop3h 25m
Alaska Airlines
Sun 11/225:00 pm
MCI
- PDX
Nonstop3h 55m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$387
This Southwest deal was found by Cheapflights users on 5/31. 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 7/162:05 pm
PDX
- MCI
2 stops8h 30m
Southwest
Mon 7/203:30 pm
MCI
- PDX
2 stops8h 35m
Southwest
Deal found 5/31![Southwest logo]()
$402
This Delta deal was found by Cheapflights users on 5/28. 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.
Sat 10/173:10 pm
PDX
- STL
1 stop6h 08m
Delta
Wed 10/217:55 pm
STL
- PDX
1 stop5h 56m
Delta
Deal found 5/28![Delta logo]()
$377
This United Airlines deal was found by Cheapflights users on 6/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/164:05 pm
PDX
- MCI
1 stop5h 32m
United Airlines
Wed 11/1811:25 am
MCI
- PDX
2 stops11h 08m
United Airlines
Deal found 6/2![United Airlines logo]()
$424
This Alaska Airlines deal was found by Cheapflights users on 5/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:27 pm
SEA
- MCI
Nonstop3h 32m
Alaska Airlines
Sat 7/45:50 pm
MCI
- SEA
1 stop14h 03m
Alaska Airlines
Deal found 5/29![Alaska Airlines logo]()
$397
This Southwest deal was found by Cheapflights users on 5/31. 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 7/165:20 am
PDX
- MCI
1 stop7h 40m
Southwest
Sun 7/1912:35 pm
MCI
- PDX
Nonstop3h 35m
Southwest
Deal found 5/31![Southwest logo]()
$403
This Delta deal was found by Cheapflights users on 5/28. 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.
Fri 10/163:10 pm
PDX
- STL
1 stop6h 08m
Delta
Tue 10/205:30 pm
STL
- PDX
1 stop8h 17m
Delta
Deal found 5/28![Delta logo]()
$377
This American Airlines deal was found by Cheapflights users on 5/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1511:22 pm
SEA
- SGF
1 stop7h 29m
American Airlines
Mon 7/206:34 pm
SGF
- SEA
1 stop7h 05m
American Airlines
Deal found 5/30![American Airlines logo]()
$559
This United Airlines deal was found by Cheapflights users on 5/28. 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.
Fri 11/67:49 pm
PDX
- STL
2 stops10h 48m
United Airlines
Mon 11/97:06 pm
STL
- PDX
1 stop7h 48m
United Airlines
Deal found 5/28![United Airlines logo]()
$424
This Alaska Airlines deal was found by Cheapflights users on 5/28. 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.
Sat 10/177:06 am
PDX
- STL
1 stop6h 38m
Alaska Airlines
Sun 10/187:00 am
STL
- PDX
1 stop8h 27m
Alaska Airlines
Deal found 5/28![Alaska Airlines logo]()
$397
Last-minute flights from Washington to MissouriDiscover last-minute flight deals from Washington to Missouri. Data last updated June 2, 2026 and is based on user searches.
Discover last-minute flight deals from Washington to Missouri. Data last updated June 2, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 5/30. 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.
Sat 6/208:35 am
PDX
- STL
1 stop7h 42m
United Airlines
Tue 6/235:10 am
STL
- PDX
1 stop6h 37m
United Airlines
Deal found 5/30![United Airlines logo]()
$337
This United Airlines deal was found by Cheapflights users on 5/31. 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.
Mon 6/2911:40 pm
PDX
- STL
1 stop6h 54m
United Airlines
Tue 6/307:23 pm
STL
- PDX
1 stop7h 27m
United Airlines
Deal found 5/31![United Airlines logo]()
$314
This United Airlines deal was found by Cheapflights users on 6/1. 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.
Mon 6/2911:40 pm
PDX
- MCI
1 stop7h 02m
United Airlines
Tue 6/307:59 pm
MCI
- PDX
1 stop6h 51m
United Airlines
Deal found 6/1![United Airlines logo]()
$324
This CheapOair deal was found by Cheapflights users on 6/2. 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.
Tue 6/305:20 pm
PDX
- MCI
1 stop17h 40m
Frontier
Tue 7/74:58 pm
MCI
- PDX
1 stop25h 38m
Frontier
Deal found 6/2![Frontier logo]()
$320
This Delta deal was found by Cheapflights users on 6/1. 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.
Thu 7/25:24 pm
PDX
- STL
1 stop5h 19m
Delta
Sat 7/45:00 pm
STL
- PDX
1 stop7h 40m
Delta
Deal found 6/1![Delta logo]()
$319
This CheapOair deal was found by Cheapflights users on 5/30. 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.
Thu 7/212:26 pm
PDX
- STL
1 stop28h 27m
Frontier
Tue 7/78:08 pm
STL
- PDX
1 stop22h 28m
Frontier
Deal found 5/30![Frontier logo]()
$339
This American Airlines deal was found by Cheapflights users on 5/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/45:07 am
PDX
- STL
1 stop9h 37m
American Airlines
Sat 7/115:19 pm
STL
- PDX
1 stop8h 45m
American Airlines
Deal found 5/29![American Airlines logo]()
$320
This CheapOair deal was found by Cheapflights users on 6/2. 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.
Sun 7/56:49 pm
PDX
- STL
1 stop21h 26m
Frontier
Tue 7/78:08 pm
STL
- PDX
1 stop22h 28m
Frontier
Deal found 6/2![Frontier logo]()
$340
This American Airlines deal was found by Cheapflights users on 6/2. 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 7/73:31 pm
PDX
- MCI
1 stop6h 42m
American Airlines
Tue 7/146:19 pm
MCI
- PDX
1 stop8h 36m
American Airlines
Deal found 6/2![American Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 6/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/89:20 pm
PDX
- MCI
2 stops12h 40m
Southwest
Tue 7/147:25 pm
MCI
- PDX
1 stop6h 30m
Southwest
Deal found 6/2![Southwest logo]()
$334
This United Airlines deal was found by Cheapflights users on 5/30. 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.
Wed 7/811:40 pm
PDX
- STL
1 stop6h 59m
United Airlines
Wed 7/157:23 pm
STL
- PDX
1 stop7h 27m
United Airlines
Deal found 5/30![United Airlines logo]()
$338
This CheapOair deal was found by Cheapflights users on 6/2. 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 7/3012:20 pm
PDX
- MCI
1 stop22h 40m
Frontier
Sun 8/24:32 pm
MCI
- PDX
1 stop26h 22m
Frontier
Deal found 6/2![Frontier logo]()
$339
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 June 2, 2026.
Search for one-way flight options from Washington to Missouri. Find affordable one-way fares based on user searches. Data last updated June 2, 2026.
This Southwest deal was found by Cheapflights users on 5/29. 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 9/25:50 am
PDX
- STL
1 stop7h 15m
Southwest
Deal found 5/29![Southwest logo]()
$106
This American Airlines deal was found by Cheapflights users on 5/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2611:16 pm
SEA
- STL
1 stop8h 08m
American Airlines
Deal found 5/30![American Airlines logo]()
$108
This Delta deal was found by Cheapflights users on 5/29. 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.
Tue 8/1812:30 am
PDX
- MCI
1 stop6h 04m
Delta
Deal found 5/29![Delta logo]()
$109
This Southwest deal was found by Cheapflights users on 5/29. 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 8/1911:35 am
PDX
- MCI
2 stops8h 45m
Southwest
Deal found 5/29![Southwest logo]()
$114
This American Airlines deal was found by Cheapflights users on 5/31. 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 9/212:44 pm
GEG
- STL
1 stop8h 58m
American Airlines
Deal found 5/31![American Airlines logo]()
$125
This Delta deal was found by Cheapflights users on 6/1. 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.
Thu 8/275:08 pm
PDX
- MCI
1 stop5h 05m
Delta
Deal found 6/1![Delta logo]()
$126
This United Airlines deal was found by Cheapflights users on 5/30. 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.
Sat 8/228:40 am
PDX
- STL
1 stop5h 54m
United Airlines
Deal found 5/30![United Airlines logo]()
$126
This Southwest deal was found by Cheapflights users on 5/29. 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.
Tue 8/2511:35 am
PDX
- STL
2 stops7h 35m
Southwest
Deal found 5/29![Southwest logo]()
$129
This Southwest deal was found by Cheapflights users on 5/28. 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 8/1111:00 pm
SEA
- MCI
1 stop8h 45m
Southwest
Deal found 5/28![Southwest logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 6/2. 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.
Wed 8/267:41 pm
SEA
- MCI
1 stop15h 19m
Frontier
Deal found 6/2![Frontier logo]()
$134
This United Airlines deal was found by Cheapflights users on 5/29. 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.
Tue 8/1811:59 pm
SEA
- MCI
1 stop8h 07m
United Airlines
Deal found 5/29![United Airlines logo]()
$135
This Southwest deal was found by Cheapflights users on 5/28. 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.
Wed 8/1212:40 pm
SEA
- STL
1 stop8h 05m
Southwest
Deal found 5/28![Southwest logo]()
$135
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 June 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $211 (American Airlines) |
One-way from | $106 (Southwest) |
Popular in | December |
Cheapest in | January |
Average price | $382 |
Good round-trip deal | $387 or less |
Good one-way deal | $223 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 June 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
Wed 10/14
5:05 pm-12:36 am
1 stop5h 31m
Lambert-St Louis
Wed 10/28
2:18 pm-9:53 pm
1 stop9h 35m
$319
SpokaneKansas City
GEG - MCI
GEGMCI
Spokane
Tue 8/18
1:26 pm-11:59 pm
1 stop8h 33m
Kansas City
Wed 8/19
7:00 am-12:31 pm
1 stop7h 31m
$321
PortlandSpringfield
PDX - SGF
PDXSGF
Portland
Tue 10/20
6:15 am-10:32 pm
2 stops14h 17m
Springfield-Branson
Tue 11/3
3:30 pm-11:51 pm
2 stops10h 21m
$323
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Mon 6/29
11:30 pm-9:20 am
1 stop7h 50m
Kansas City
Mon 7/6
8:25 pm-12:35 am
1 stop6h 10m
$329
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Fri 6/26
5:00 pm-1:30 am
1 stop6h 30m
Kansas City
Mon 6/29
5:15 pm-9:00 pm
1 stop5h 45m
$329
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Thu 11/19
1:38 pm-11:00 pm
1 stop7h 22m
Kansas City
Tue 12/1
7:40 pm-11:51 pm
1 stop6h 11m
$329
PortlandSt. Louis
PDX - STL
PDXSTL
Portland
Tue 9/29
12:57 pm-10:30 pm
1 stop7h 33m
Lambert-St Louis
Wed 9/30
5:10 am-9:31 am
1 stop6h 21m
$351
SeattleSt. Louis
SEA - STL
SEASTL
Seattle/Tacoma Intl
Wed 8/5
10:30 pm-3:10 pm
2 stops14h 40m
Lambert-St Louis
Wed 8/12
5:25 pm-11:25 pm
1 stop8h 00m
$355
SpokaneSt. Louis
GEG - STL
GEGSTL
Spokane
Tue 10/13
12:44 pm-11:59 pm
1 stop9h 15m
Lambert-St Louis
Wed 10/14
4:40 pm-9:25 pm
1 stop6h 45m
$357
PortlandSpringfield
PDX - SGF
PDXSGF
Portland
Thu 10/29
6:15 am-6:10 pm
2 stops9h 55m
Springfield-Branson
Thu 11/5
3:30 pm-11:51 pm
2 stops10h 21m
$359
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
GEG-MCI
PDX-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
GEG-MCI
PDX-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 May is currently the most expensive (average of $168). 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 June 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 June 2, 2026.
The most flights from USWA to USMO are scheduled on a Tuesday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 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 June 2, 2026.
Read through reviews of airlines operating flights from Washington to Missouri, such as Southwest,Alaska Airlines, 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.
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
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 June 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 June 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$94 | Average$390 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$135 | Average$255 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$148 | Average$371 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$157 | Average$456 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$178 | Average$436 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$188 | Average$511 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$199 | Average$467 | FlexibilityNo cancel fee | On-time75% |