$90+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MCI
Jul 15 — Jul 221
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 15, 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 15, 2026.
This Delta deal was found by Cheapflights users on 6/10. 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 12/86:15 am
PDX
- STL
1 stop6h 16m
Delta
Tue 12/155:30 pm
STL
- PDX
1 stop8h 17m
Delta
Deal found 6/10![Delta logo]()
$211
This United Airlines deal was found by Cheapflights users on 6/11. 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 8/255:30 am
PDX
- MCI
1 stop7h 03m
United Airlines
Tue 9/16:20 am
MCI
- PDX
1 stop7h 39m
United Airlines
Deal found 6/11![United Airlines logo]()
$212
This Delta deal was found by Cheapflights users on 6/11. 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 10/61:00 pm
PDX
- MCI
1 stop8h 08m
Delta
Tue 10/137:00 am
MCI
- PDX
1 stop7h 18m
Delta
Deal found 6/11![Delta logo]()
$217
This Southwest deal was found by Cheapflights users on 6/10. 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 8/2510:45 pm
PDX
- MCI
1 stop11h 05m
Southwest
Tue 9/112:45 pm
MCI
- PDX
2 stops9h 05m
Southwest
Deal found 6/10![Southwest logo]()
$222
This Southwest deal was found by Cheapflights users on 6/11. 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 9/211:30 pm
PDX
- STL
1 stop9h 00m
Southwest
Sat 9/58:30 am
STL
- PDX
Nonstop4h 10m
Southwest
Deal found 6/11![Southwest logo]()
$222
This Southwest deal was found by Cheapflights users on 6/10. 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 9/2611:40 am
PDX
- MCI
Nonstop3h 20m
Southwest
Tue 9/295:55 pm
MCI
- PDX
1 stop7h 15m
Southwest
Deal found 6/10![Southwest logo]()
$229
This Delta deal was found by Cheapflights users on 6/10. 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 12/93:10 pm
PDX
- STL
1 stop6h 08m
Delta
Wed 12/167:55 pm
STL
- PDX
1 stop5h 56m
Delta
Deal found 6/10![Delta logo]()
$231
This Delta deal was found by Cheapflights users on 6/10. 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 9/281:25 pm
PDX
- MCI
1 stop8h 02m
Delta
Wed 9/306:05 pm
MCI
- PDX
1 stop6h 26m
Delta
Deal found 6/10![Delta logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 8/169:14 pm
GEG
- STL
1 stop19h 01m
Multiple Airlines
Wed 8/266:58 pm
STL
- GEG
1 stop16h 24m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$242
This Southwest deal was found by Cheapflights users on 6/10. 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 9/286:20 am
PDX
- MCI
1 stop8h 35m
Southwest
Wed 9/3012:45 pm
MCI
- PDX
2 stops9h 05m
Southwest
Deal found 6/10![Southwest logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 8/2010:12 am
GEG
- STL
1 stop7h 24m
Multiple Airlines
Wed 8/266:58 pm
STL
- GEG
1 stop16h 24m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$245
This American Airlines deal was found by Cheapflights users on 6/11. 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 9/16:27 am
PDX
- STL
1 stop9h 38m
American Airlines
Fri 9/115:00 am
STL
- PDX
1 stop7h 55m
American Airlines
Deal found 6/11![American Airlines logo]()
$251
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 15, 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 15, 2026.
This Delta deal was found by Cheapflights users on 6/10. 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 9/281:25 pm
PDX
- MCI
1 stop8h 02m
Delta
Wed 9/306:05 pm
MCI
- PDX
1 stop6h 26m
Delta
Deal found 6/10![Delta logo]()
$238
This Southwest deal was found by Cheapflights users on 6/10. 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 9/286:20 am
PDX
- MCI
1 stop8h 35m
Southwest
Wed 9/3012:45 pm
MCI
- PDX
2 stops9h 05m
Southwest
Deal found 6/10![Southwest logo]()
$244
This United Airlines deal was found by Cheapflights users on 6/15. 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 8/224:07 pm
PDX
- SGF
1 stop5h 35m
United Airlines
Sat 8/295:30 am
SGF
- PDX
1 stop6h 02m
United Airlines
Deal found 6/15![United Airlines logo]()
$313
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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 8/265:07 am
PDX
- MCI
1 stop6h 45m
Alaska Airlines
Sat 8/292:48 pm
MCI
- PDX
Nonstop3h 52m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$327
This American Airlines deal was found by Cheapflights users on 6/14. 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 7/163:24 pm
PSC
- MCI
1 stop6h 49m
American Airlines
Tue 7/215:31 am
MCI
- PSC
2 stops10h 35m
American Airlines
Deal found 6/14![American Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 6/11. 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 11/161:38 pm
PDX
- MCI
1 stop7h 22m
Delta
Wed 11/187:40 pm
MCI
- PDX
1 stop6h 11m
Delta
Deal found 6/11![Delta logo]()
$238
This Southwest deal was found by Cheapflights users on 6/11. 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 12/810:15 am
PDX
- STL
2 stops9h 45m
Southwest
Tue 12/156:00 am
STL
- PDX
1 stop6h 55m
Southwest
Deal found 6/11![Southwest logo]()
$252
This Southwest deal was found by Cheapflights users on 6/11. 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
Sun 8/238:00 pm
MCI
- PDX
Nonstop3h 35m
Southwest
Deal found 6/11![Southwest logo]()
$274
This United Airlines deal was found by Cheapflights users on 6/14. 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 10/79:00 am
PDX
- STL
1 stop7h 43m
United Airlines
Wed 10/141:36 pm
STL
- PDX
1 stop6h 10m
United Airlines
Deal found 6/14![United Airlines logo]()
$319
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 10/246:01 am
PSC
- MCI
1 stop6h 16m
Alaska Airlines
Tue 10/276:13 am
MCI
- PSC
1 stop6h 02m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 6/11. 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 9/211:30 pm
PDX
- STL
1 stop9h 00m
Southwest
Sat 9/52:25 pm
STL
- PDX
2 stops8h 40m
Southwest
Deal found 6/11![Southwest logo]()
$290
This United Airlines deal was found by Cheapflights users on 6/13. 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 7/2811:40 pm
PDX
- STL
1 stop7h 09m
United Airlines
Sat 8/17:23 pm
STL
- PDX
1 stop7h 27m
United Airlines
Deal found 6/13![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 6/10. 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 7/216:15 am
PDX
- STL
1 stop6h 58m
Delta
Thu 7/237:55 pm
STL
- PDX
1 stop5h 49m
Delta
Deal found 6/10![Delta logo]()
$319
This Delta deal was found by Cheapflights users on 6/14. 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 7/143:00 pm
PDX
- STL
1 stop6h 22m
Delta
Wed 7/297:55 pm
STL
- PDX
1 stop5h 49m
Delta
Deal found 6/14![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 6/14. 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 8/44:15 pm
PDX
- MCI
1 stop5h 10m
United Airlines
Tue 8/116:20 am
MCI
- PDX
1 stop7h 39m
United Airlines
Deal found 6/14![United Airlines logo]()
$324
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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 8/136:27 pm
SEA
- MCI
Nonstop3h 32m
Alaska Airlines
Mon 8/172:17 pm
MCI
- SEA
Nonstop4h 00m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$385
This Southwest deal was found by Cheapflights users on 6/13. 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 8/276:05 am
PDX
- STL
1 stop8h 15m
Southwest
Sun 8/306:00 am
STL
- PDX
1 stop8h 45m
Southwest
Deal found 6/13![Southwest logo]()
$319
This Delta deal was found by Cheapflights users on 6/11. 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 11/610:05 am
GEG
- SGF
2 stops10h 27m
Delta
Wed 11/1811:40 am
SGF
- GEG
2 stops9h 47m
Delta
Deal found 6/11![Delta logo]()
$330
This Southwest deal was found by Cheapflights users on 6/13. 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 8/1311:30 pm
PDX
- STL
1 stop7h 45m
Southwest
Sun 8/166:10 am
STL
- PDX
1 stop6h 25m
Southwest
Deal found 6/13![Southwest logo]()
$319
This Alaska Airlines deal was found by Cheapflights users on 6/15. 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 10/156:24 pm
SEA
- MCI
Nonstop3h 35m
Alaska Airlines
Sun 10/183:11 pm
MCI
- SEA
Nonstop4h 05m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$386
This Delta deal was found by Cheapflights users on 6/13. 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 7/135:21 pm
PSC
- MCI
1 stop4h 52m
Delta
Mon 7/204:04 pm
MCI
- PSC
1 stop5h 41m
Delta
Deal found 6/13![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 6/10. 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 7/14:18 pm
GEG
- STL
1 stop5h 39m
United Airlines
Tue 7/74:48 pm
STL
- GEG
1 stop6h 17m
United Airlines
Deal found 6/10![United Airlines logo]()
$383
This Southwest deal was found by Cheapflights users on 6/11. 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 7/85:15 am
PDX
- STL
1 stop9h 05m
Southwest
Wed 7/155:55 pm
STL
- PDX
1 stop7h 40m
Southwest
Deal found 6/11![Southwest logo]()
$319
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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 10/228:37 am
SEA
- MCI
1 stop6h 41m
Alaska Airlines
Wed 10/286:12 pm
MCI
- SEA
1 stop6h 13m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$390
This Southwest deal was found by Cheapflights users on 6/12. 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 7/295:15 am
PDX
- STL
1 stop9h 05m
Southwest
Wed 7/295:55 pm
STL
- PDX
1 stop7h 40m
Southwest
Deal found 6/12![Southwest logo]()
$319
This United Airlines deal was found by Cheapflights users on 6/10. 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 10/215:05 am
PSC
- MCI
1 stop5h 37m
United Airlines
Sat 10/249:59 am
MCI
- PSC
2 stops12h 41m
United Airlines
Deal found 6/10![United Airlines logo]()
$387
This Delta deal was found by Cheapflights users on 6/10. 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 10/3112:40 pm
GEG
- SGF
1 stop7h 52m
Delta
Fri 11/203:30 pm
SGF
- GEG
1 stop8h 07m
Delta
Deal found 6/10![Delta logo]()
$359
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 6/10![Alaska Airlines logo]()
$397
This Southwest deal was found by Cheapflights users on 6/11. 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 8/216:20 am
PDX
- MCI
1 stop8h 35m
Southwest
Sun 8/231:35 pm
MCI
- PDX
2 stops11h 55m
Southwest
Deal found 6/11![Southwest logo]()
$320
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Sun 7/511:59 pm
PDX
- SGF
1 stop8h 13m
American Airlines
Sat 7/117:40 pm
SGF
- PDX
1 stop7h 15m
American Airlines
Deal found 6/10![American Airlines logo]()
$631
Last-minute flights from Washington to MissouriDiscover last-minute flight deals from Washington to Missouri. Data last updated June 15, 2026 and is based on user searches.
Discover last-minute flight deals from Washington to Missouri. Data last updated June 15, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/11. 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 6/265:06 am
PDX
- MCI
1 stop6h 21m
American Airlines
Tue 8/47:53 pm
MCI
- PDX
1 stop7h 02m
American Airlines
Deal found 6/11![American Airlines logo]()
$273
This Southwest deal was found by Cheapflights users on 6/10. 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 7/35:00 pm
PDX
- MCI
1 stop6h 30m
Southwest
Mon 7/69:15 pm
MCI
- PDX
1 stop6h 10m
Southwest
Deal found 6/10![Southwest logo]()
$329
This Southwest deal was found by Cheapflights users on 6/12. 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 7/41:15 pm
PDX
- MCI
Nonstop3h 15m
Southwest
Wed 7/153:25 pm
MCI
- PDX
1 stop9h 05m
Southwest
Deal found 6/12![Southwest logo]()
$319
This United Airlines deal was found by Cheapflights users on 6/12. 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 7/411:00 am
PDX
- MCI
1 stop8h 18m
United Airlines
Wed 7/157:10 pm
MCI
- PDX
1 stop6h 03m
United Airlines
Deal found 6/12![United Airlines logo]()
$324
This United Airlines deal was found by Cheapflights users on 6/10. 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
Fri 8/144:40 pm
STL
- PDX
1 stop6h 25m
United Airlines
Deal found 6/10![United Airlines logo]()
$305
This CheapOair deal was found by Cheapflights users on 6/12. 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 7/85:21 pm
PDX
- STL
1 stop24h 02m
Frontier
Wed 7/157:03 pm
STL
- PDX
1 stop25h 01m
Frontier
Deal found 6/12![Frontier logo]()
$315
This Delta deal was found by Cheapflights users on 6/14. 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 7/1312:33 am
PDX
- STL
1 stop6h 13m
Delta
Mon 7/207:55 pm
STL
- PDX
1 stop5h 49m
Delta
Deal found 6/14![Delta logo]()
$319
This CheapOair deal was found by Cheapflights users on 6/14. 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
- MCI
1 stop17h 44m
Frontier
Thu 7/164:32 pm
MCI
- PDX
1 stop26h 22m
Frontier
Deal found 6/14![Frontier logo]()
$299
This United Airlines deal was found by Cheapflights users on 6/11. 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 7/1411:40 pm
PDX
- STL
1 stop7h 09m
United Airlines
Wed 7/157:23 pm
STL
- PDX
1 stop7h 27m
United Airlines
Deal found 6/11![United Airlines logo]()
$314
This Southwest deal was found by Cheapflights users on 6/14. 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 7/145:50 am
PDX
- STL
2 stops9h 55m
Southwest
Mon 7/207:20 pm
STL
- PDX
1 stop8h 05m
Southwest
Deal found 6/14![Southwest logo]()
$324
This Southwest deal was found by Cheapflights users on 6/13. 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 7/285:50 am
PDX
- STL
2 stops9h 55m
Southwest
Sat 8/14:10 pm
STL
- PDX
1 stop9h 45m
Southwest
Deal found 6/13![Southwest logo]()
$330
This CheapOair deal was found by Cheapflights users on 6/12. 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 7/295:21 pm
PDX
- STL
1 stop24h 02m
Frontier
Tue 8/48:08 pm
STL
- PDX
1 stop22h 28m
Frontier
Deal found 6/12![Frontier logo]()
$275
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 15, 2026.
Search for one-way flight options from Washington to Missouri. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 8/257:41 pm
SEA
- MCI
1 stop15h 19m
Frontier
Deal found 6/11![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 8/115:16 pm
PDX
- MCI
1 stop17h 44m
Frontier
Deal found 6/11![Frontier logo]()
$95
This Trip.com deal was found by Cheapflights users on 6/11. 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.
Mon 8/247:41 pm
SEA
- MCI
1 stop15h 19m
Frontier
Deal found 6/11![Frontier logo]()
$106
This Delta deal was found by Cheapflights users on 6/10. 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
Deal found 6/10![Delta logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 6/11![Frontier logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 8/197:41 pm
SEA
- MCI
1 stop15h 19m
Frontier
Deal found 6/11![Frontier logo]()
$109
This Delta deal was found by Cheapflights users on 6/10. 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 9/81:38 pm
PDX
- MCI
1 stop7h 25m
Delta
Deal found 6/10![Delta logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 9/147:00 am
SEA
- MCI
1 stop28h 22m
Frontier
Deal found 6/11![Frontier logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 10/217:41 pm
SEA
- MCI
1 stop15h 41m
Frontier
Deal found 6/14![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 8/298:13 pm
SEA
- MCI
1 stop14h 42m
Frontier
Deal found 6/11![Frontier logo]()
$124
This Trip.com deal was found by Cheapflights users on 6/11. 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 8/238:13 pm
SEA
- MCI
1 stop14h 42m
Frontier
Deal found 6/11![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 8/77:06 pm
SEA
- MCI
1 stop15h 54m
Frontier
Deal found 6/10![Frontier logo]()
$126
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 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $211 (Delta) |
One-way from | $90 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $453 |
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 15, 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
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Mon 9/28
1:25 pm-11:27 pm
1 stop8h 02m
Kansas City
Wed 9/30
6:05 pm-10:31 pm
1 stop6h 26m
$238
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Mon 11/16
1:38 pm-11:00 pm
1 stop7h 22m
Kansas City
Wed 11/18
7:40 pm-11:51 pm
1 stop6h 11m
$238
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Mon 9/28
6:20 am-4:55 pm
1 stop8h 35m
Kansas City
Wed 9/30
12:45 pm-7:50 pm
2 stops9h 05m
$244
PortlandSt. Louis
PDX - STL
PDXSTL
Portland
Tue 12/8
10:15 am-10:00 pm
2 stops9h 45m
Lambert-St Louis
Tue 12/15
6:00 am-10:55 am
1 stop6h 55m
$252
Quickest round-trip
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Sat 8/22
11:40 am-5:00 pm
Nonstop3h 20m
Kansas City
Sun 8/23
8:00 pm-9:35 pm
Nonstop3h 35m
$274
PortlandSt. Louis
PDX - STL
PDXSTL
Portland
Wed 9/2
11:30 pm-10:30 am
1 stop9h 00m
Lambert-St Louis
Sat 9/5
2:25 pm-9:05 pm
2 stops8h 40m
$290
PortlandSpringfield
PDX - SGF
PDXSGF
Portland
Sat 8/22
4:07 pm-11:42 pm
1 stop5h 35m
Springfield-Branson
Sat 8/29
5:30 am-9:32 am
1 stop6h 02m
$313
PortlandSt. Louis
PDX - STL
PDXSTL
Portland
Wed 10/7
9:00 am-6:43 pm
1 stop7h 43m
Lambert-St Louis
Wed 10/14
1:36 pm-5:46 pm
1 stop6h 10m
$319
PortlandSt. Louis
PDX - STL
PDXSTL
Portland
Tue 7/28
11:40 pm-8:49 am
1 stop7h 09m
Lambert-St Louis
Sat 8/1
7:23 pm-12:50 am
1 stop7h 27m
$319
PortlandSt. Louis
PDX - STL
PDXSTL
Portland
Tue 7/21
6:15 am-3:13 pm
1 stop6h 58m
Lambert-St Louis
Thu 7/23
7:55 pm-11:44 pm
1 stop5h 49m
$319
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-MCI
PDX-STL
GEG-STL
PDX-SGF
PSC-MCI
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-MCI
PDX-STL
GEG-STL
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 15, 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 15, 2026.
The most flights from USWA to USMO are scheduled on a Friday (15 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (4 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 15, 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.
Entertainment
7.0
Food
7.0
Overall
7.9
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Food
7.0
Overall
7.9
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Food
7.0
Overall
7.9
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Food
7.0
Overall
7.9
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Food
7.0
Overall
7.9
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Food
7.0
Overall
7.9
Comfort
7.8
Boarding
8.1
Crew
8.5
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 June 15, 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 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$94 | Average$384 | 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$454 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$178 | Average$438 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$188 | Average$511 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$199 | Average$472 | FlexibilityNo cancel fee | On-time75% |