$62+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — STL
Sep 12 — Sep 191
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 August 13, 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 August 13, 2026.
This CheapOair deal was found by Cheapflights users on 8/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/129:34 pm -
1 stop25h 43m
Mon 10/198:10 pm -
1 stop22h 25m
Deal found 8/11![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Thu 10/812:34 pm -
1 stop28h 41m
Wed 10/148:10 pm -
1 stop22h 25m
Deal found 8/11![Frontier logo]()
$215
This Southwest deal was found by Cheapflights users on 8/11. 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 9/1211:40 am -
Nonstop3h 20m
Sat 9/261:35 pm -
Nonstop3h 35m
Deal found 8/11![Southwest logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 10/2212:34 pm -
1 stop22h 48m
Sun 10/252:17 pm -
1 stop28h 18m
Deal found 8/9![Frontier logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Tue 10/135:35 pm -
1 stop17h 47m
Fri 10/162:17 pm -
1 stop28h 18m
Deal found 8/10![Frontier logo]()
$224
This Southwest deal was found by Cheapflights users on 8/11. 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 9/1211:40 am -
Nonstop3h 20m
Mon 9/147:00 pm -
1 stop6h 45m
Deal found 8/11![Southwest logo]()
$225
This CheapOair deal was found by Cheapflights users on 8/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:35 pm -
1 stop23h 40m
Sun 10/255:19 pm -
1 stop29h 20m
Deal found 8/11![Frontier logo]()
$226
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Wed 9/27:39 am -
1 stop7h 02m
Sat 9/195:18 pm -
1 stop8h 49m
Deal found 8/11![American Airlines logo]()
$229
This United Airlines deal was found by Cheapflights users on 8/12. 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.
Wed 10/2811:30 pm -
1 stop7h 28m
Sat 10/316:28 am -
1 stop7h 45m
Deal found 8/12![United Airlines logo]()
$230
This Southwest deal was found by Cheapflights users on 8/9. 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 10/111:35 pm -
1 stop7h 25m
Tue 10/64:05 pm -
1 stop9h 00m
Deal found 8/9![Southwest logo]()
$230
This Southwest deal was found by Cheapflights users on 8/11. 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.
Thu 10/87:35 pm -
1 stop11h 15m
Mon 10/125:10 am -
1 stop6h 25m
Deal found 8/11![Southwest logo]()
$234
This Delta deal was found by Cheapflights users on 8/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1211:20 pm -
1 stop8h 19m
Mon 11/162:59 pm -
1 stop5h 15m
Deal found 8/12![Delta logo]()
$235
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 August 13, 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 August 13, 2026.
This Delta deal was found by Cheapflights users on 8/10. 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.
Thu 9/31:30 pm -
1 stop7h 57m
Tue 9/226:20 am -
1 stop6h 29m
Deal found 8/10![Delta logo]()
$235
This Southwest deal was found by Cheapflights users on 8/12. 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 9/231:05 pm -
1 stop7h 45m
Tue 9/295:35 am -
2 stops11h 50m
Deal found 8/12![Southwest logo]()
$240
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:35 pm -
Nonstop4h 03m
Mon 9/287:36 pm -
Nonstop4h 23m
Deal found 8/12![Alaska Airlines logo]()
$269
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Fri 9/412:45 pm -
1 stop5h 49m
Sun 9/66:00 am -
2 stops8h 00m
Deal found 8/13![United Airlines logo]()
$314
This American Airlines deal was found by Cheapflights users on 8/9. 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 8/251:38 pm -
1 stop6h 50m
Sat 8/296:40 pm -
1 stop7h 18m
Deal found 8/9![American Airlines logo]()
$418
This Southwest deal was found by Cheapflights users on 8/11. 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 10/287:35 am -
1 stop8h 45m
Mon 11/29:30 am -
1 stop9h 40m
Deal found 8/11![Southwest logo]()
$275
This Delta deal was found by Cheapflights users on 8/11. 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.
Sat 11/1411:55 am -
1 stop10h 01m
Sat 11/215:30 pm -
1 stop8h 29m
Deal found 8/11![Delta logo]()
$289
This Southwest deal was found by Cheapflights users on 8/12. 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 9/911:30 pm -
1 stop9h 00m
Wed 9/1612:20 pm -
2 stops9h 35m
Deal found 8/12![Southwest logo]()
$288
This Delta deal was found by Cheapflights users on 8/11. 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.
Sat 11/146:00 am -
1 stop8h 41m
Sun 11/227:00 pm -
1 stop6h 53m
Deal found 8/11![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 8/9. 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 9/811:02 pm -
1 stop9h 48m
Tue 9/155:30 am -
1 stop6h 02m
Deal found 8/9![United Airlines logo]()
$323
This Alaska Airlines deal was found by Cheapflights users on 8/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:05 am -
Nonstop3h 59m
Sun 9/67:36 pm -
Nonstop4h 23m
Deal found 8/11![Alaska Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 8/13. 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 9/243:40 pm -
1 stop6h 35m
Sat 9/2610:55 am -
2 stops7h 55m
Deal found 8/13![Southwest logo]()
$291
This Delta deal was found by Cheapflights users on 8/13. 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.
Fri 10/25:14 pm -
1 stop5h 01m
Tue 10/67:00 am -
1 stop7h 18m
Deal found 8/13![Delta logo]()
$296
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Sat 10/1011:59 pm -
1 stop8h 11m
Wed 10/148:00 am -
2 stops14h 37m
Deal found 8/11![United Airlines logo]()
$332
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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 10/107:20 am -
1 stop6h 24m
Wed 10/147:02 am -
1 stop9h 38m
Deal found 8/10![Alaska Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 8/11. 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.
Sat 9/1212:25 am -
1 stop6h 07m
Mon 9/143:04 pm -
1 stop5h 12m
Deal found 8/11![Delta logo]()
$297
This Southwest deal was found by Cheapflights users on 8/10. 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.
Thu 9/33:25 pm -
1 stop6h 25m
Tue 9/86:15 pm -
1 stop6h 10m
Deal found 8/10![Southwest logo]()
$297
This United Airlines deal was found by Cheapflights users on 8/8. 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 10/511:59 pm -
1 stop8h 11m
Tue 10/277:30 am -
2 stops12h 24m
Deal found 8/8![United Airlines logo]()
$332
This American Airlines deal was found by Cheapflights users on 8/8. 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 10/912:49 pm -
1 stop8h 34m
Tue 10/138:15 am -
1 stop7h 14m
Deal found 8/8![American Airlines logo]()
$435
This United Airlines deal was found by Cheapflights users on 8/12. 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.
Tue 9/226:32 am -
2 stops13h 28m
Mon 9/285:36 pm -
1 stop7h 17m
Deal found 8/12![United Airlines logo]()
$332
This Southwest deal was found by Cheapflights users on 8/10. 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 9/2911:35 am -
2 stops7h 40m
Thu 10/17:30 pm -
1 stop6h 40m
Deal found 8/10![Southwest logo]()
$302
This Delta deal was found by Cheapflights users on 8/10. 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.
Thu 11/56:00 am -
1 stop6h 45m
Thu 11/127:00 pm -
1 stop6h 57m
Deal found 8/10![Delta logo]()
$313
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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.
Thu 11/56:07 pm -
Nonstop3h 52m
Wed 11/117:00 am -
Nonstop4h 38m
Deal found 8/10![Alaska Airlines logo]()
$392
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Wed 1/208:45 am -
1 stop5h 41m
Sat 1/239:40 am -
2 stops10h 51m
Deal found 8/11![United Airlines logo]()
$334
This American Airlines deal was found by Cheapflights users on 8/8. 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 9/202:21 pm -
1 stop8h 02m
Wed 9/235:28 am -
2 stops9h 23m
Deal found 8/8![American Airlines logo]()
$445
This Southwest deal was found by Cheapflights users on 8/10. 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 9/227:30 am -
1 stop10h 55m
Tue 9/292:45 pm -
2 stops9h 45m
Deal found 8/10![Southwest logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 8/8. 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 9/36:03 pm -
Nonstop3h 56m
Tue 9/86:08 pm -
1 stop6h 31m
Deal found 8/8![Alaska Airlines logo]()
$402
This United Airlines deal was found by Cheapflights users on 8/12. 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 9/125:00 am -
2 stops9h 12m
Sat 9/199:55 am -
2 stops9h 54m
Deal found 8/12![United Airlines logo]()
$335
This Delta deal was found by Cheapflights users on 8/8. 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 12/211:20 pm -
1 stop7h 59m
Tue 12/86:20 am -
1 stop8h 09m
Deal found 8/8![Delta logo]()
$337
This Southwest deal was found by Cheapflights users on 8/12. 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.
Fri 9/1110:45 pm -
2 stops12h 40m
Tue 9/155:35 am -
2 stops11h 50m
Deal found 8/12![Southwest logo]()
$328
Last-minute flights from Washington to MissouriDiscover last-minute flight deals from Washington to Missouri. Data last updated August 13, 2026 and is based on user searches.
Discover last-minute flight deals from Washington to Missouri. Data last updated August 13, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 8/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:20 pm -
1 stop28h 53m
Mon 8/317:58 pm -
1 stop23h 13m
Deal found 8/11![Frontier logo]()
$226
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Wed 9/27:39 am -
1 stop7h 02m
Sat 9/195:18 pm -
1 stop8h 49m
Deal found 8/11![American Airlines logo]()
$229
This Delta deal was found by Cheapflights users on 8/10. 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.
Thu 9/31:30 pm -
1 stop7h 57m
Tue 9/226:20 am -
1 stop6h 29m
Deal found 8/10![Delta logo]()
$235
This Southwest deal was found by Cheapflights users on 8/10. 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.
Thu 9/33:25 pm -
1 stop6h 25m
Tue 9/2212:45 pm -
2 stops9h 10m
Deal found 8/10![Southwest logo]()
$241
This American Airlines deal was found by Cheapflights users on 8/11. 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 9/46:27 am -
1 stop8h 02m
Wed 9/912:19 pm -
1 stop9h 17m
Deal found 8/11![American Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 8/9. 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 9/811:30 pm -
1 stop9h 00m
Tue 9/155:55 pm -
1 stop7h 20m
Deal found 8/9![Southwest logo]()
$236
This United Airlines deal was found by Cheapflights users on 8/12. 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.
Fri 9/117:02 am -
1 stop8h 04m
Tue 9/151:36 pm -
1 stop6h 33m
Deal found 8/12![United Airlines logo]()
$254
This Southwest deal was found by Cheapflights users on 8/11. 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 9/1211:40 am -
Nonstop3h 20m
Sat 9/261:35 pm -
Nonstop3h 35m
Deal found 8/11![Southwest logo]()
$216
This Southwest deal was found by Cheapflights users on 8/11. 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 9/1211:40 am -
Nonstop3h 20m
Mon 9/147:00 pm -
1 stop6h 45m
Deal found 8/11![Southwest logo]()
$225
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Sat 9/124:07 pm -
1 stop5h 23m
Sat 9/261:48 pm -
2 stops9h 12m
Deal found 8/11![United Airlines logo]()
$240
This Southwest deal was found by Cheapflights users on 8/12. 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 9/231:05 pm -
1 stop7h 45m
Tue 9/295:35 am -
2 stops11h 50m
Deal found 8/12![Southwest logo]()
$240
This Southwest deal was found by Cheapflights users on 8/13. 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.
Wed 9/305:50 am -
2 stops13h 10m
Thu 10/17:30 pm -
1 stop6h 40m
Deal found 8/13![Southwest logo]()
$246
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 August 13, 2026.
Search for one-way flight options from Washington to Missouri. Find affordable one-way fares based on user searches. Data last updated August 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/164:27 pm -
1 stop25h 10m
Deal found 8/11![Frontier logo]()
$62
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/294:27 pm -
1 stop25h 10m
Deal found 8/13![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/234:27 pm -
1 stop25h 10m
Deal found 8/11![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/304:27 pm -
1 stop25h 10m
Deal found 8/11![Frontier logo]()
$72
This Super.com deal was found by Cheapflights users on 8/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:45 pm -
1 stop11h 32m
Deal found 8/12![Frontier logo]()
$77
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 10/64:27 pm -
1 stop25h 10m
Deal found 8/11![Frontier logo]()
$78
This Frontier deal was found by Cheapflights users on 8/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/129:45 pm -
1 stop11h 32m
Deal found 8/11![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Tue 11/177:41 pm -
1 stop15h 41m
Deal found 8/10![Frontier logo]()
$79
This CheapOair deal was found by Cheapflights users on 8/12. 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.
Tue 9/154:27 pm -
1 stop24h 50m
Deal found 8/12![Frontier logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/54:27 pm -
1 stop25h 10m
Deal found 8/13![Frontier logo]()
$80
This Jetabroad deal was found by Cheapflights users on 8/11. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:16 pm -
1 stop23h 23m
Deal found 8/11![Frontier logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 10/74:27 pm -
1 stop18h 55m
Deal found 8/11![Frontier logo]()
$82
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 August 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $174 (CheapOair) |
One-way from | $62 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $416 |
Good round-trip deal | $361 or less |
Good one-way deal | $248 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 August 13, 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 Portland - MCI Kansas City
PDXMCI
Portland
Thu 9/3
1:30 pm-11:27 pm
1 stop7h 57m
Kansas City
Tue 9/22
6:20 am-10:49 am
1 stop6h 29m
$235
PortlandSt. Louis
PDX Portland - STL Lambert-St Louis
PDXSTL
Portland
Wed 9/23
1:05 pm-10:50 pm
1 stop7h 45m
Lambert-St Louis
Tue 9/29
5:35 am-3:25 pm
2 stops11h 50m
$240
SeattleSt. Louis
SEA Seattle/Tacoma Intl - STL Lambert-St Louis
SEASTL
Seattle/Tacoma Intl
Wed 9/23
12:35 pm-6:38 pm
Nonstop4h 03m
Lambert-St Louis
Mon 9/28
7:36 pm-9:59 pm
Nonstop4h 23m
$269
SpokaneKansas City
GEG Spokane - MCI Kansas City
GEGMCI
Spokane
Wed 10/28
7:35 am-6:20 pm
1 stop8h 45m
Kansas City
Mon 11/2
9:30 am-5:10 pm
1 stop9h 40m
$275
PortlandSt. Louis
PDX Portland - STL Lambert-St Louis
PDXSTL
Portland
Wed 9/9
11:30 pm-10:30 am
1 stop9h 00m
Lambert-St Louis
Wed 9/16
12:20 pm-7:55 pm
2 stops9h 35m
$288
PortlandSt. Louis
PDX Portland - STL Lambert-St Louis
PDXSTL
Portland
Sat 11/14
11:55 am-11:56 pm
1 stop10h 01m
Lambert-St Louis
Sat 11/21
5:30 pm-11:59 pm
1 stop8h 29m
$289
PortlandSt. Louis
PDX Portland - STL Lambert-St Louis
PDXSTL
Portland
Sat 11/14
6:00 am-4:41 pm
1 stop8h 41m
Lambert-St Louis
Sun 11/22
7:00 pm-11:53 pm
1 stop6h 53m
$289
PortlandKansas City
PDX Portland - MCI Kansas City
PDXMCI
Portland
Thu 9/24
3:40 pm-12:15 am
1 stop6h 35m
Kansas City
Sat 9/26
10:55 am-4:50 pm
2 stops7h 55m
$291
SpokaneKansas City
GEG Spokane - MCI Kansas City
GEGMCI
Spokane
Fri 10/2
5:14 pm-12:15 am
1 stop5h 01m
Kansas City
Tue 10/6
7:00 am-12:18 pm
1 stop7h 18m
$296
PortlandKansas City
PDX Portland - MCI Kansas City
PDXMCI
Portland
Sat 9/12
12:25 am-8:32 am
1 stop6h 07m
Kansas City
Mon 9/14
3:04 pm-6:16 pm
1 stop5h 12m
$297
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.
SEA-MCI
SEA-STL
PDX-STL
PDX-MCI
PDX-COU
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
SEA-MCI
SEA-STL
PDX-STL
PDX-MCI
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 $319). Flying from State of Washington to Missouri in July is currently the most expensive (average of $525). 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 August 13, 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 August 13, 2026.
The most flights from USWA to USMO are scheduled on a Wednesday (9 on average). You will have fewer flight options on Monday, 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?
Airfare is below average for this route at the moment.
State of Washington to Missouri flights typically cost between $361 and $614 in October.The cheapest round-trip price found within the last 5 days was $260 on Multiple Airlines (Oct 9-Oct 23).
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 August 13, 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
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
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 August 13, 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 August 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$104 | Average$392 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$133 | Average$291 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$148 | Average$439 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$158 | Average$457 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$178 | Average$450 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$199 | Average$511 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$207 | Average$526 | FlexibilityNo cancel fee | On-time71% |