$69+ 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — STL
Sep 27 — Oct 41
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 August 28, 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 28, 2026.
This KAYAK deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/611:10 pm -
1 stop8h 34m
Fri 10/97:00 pm -
1 stop6h 59m
Deal found 8/27![Delta logo]()
$232
This Southwest deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/511:20 am -
2 stops11h 30m
Sun 11/84:40 pm -
1 stop10h 00m
Deal found 8/27![Southwest logo]()
$238
This Southwest deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2311:05 pm -
1 stop8h 10m
Sat 9/262:25 pm -
2 stops10h 35m
Deal found 8/27![Southwest logo]()
$239
This American Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:41 pm -
1 stop6h 46m
Thu 9/245:18 pm -
1 stop8h 53m
Deal found 8/27![American Airlines logo]()
$242
This American Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/911:59 pm -
1 stop8h 51m
Sat 10/107:10 pm -
1 stop7h 00m
Deal found 8/27![American Airlines logo]()
$245
This Southwest deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 10/1412:05 pm -
2 stops8h 00m
Tue 10/202:25 pm -
2 stops10h 15m
Deal found 8/26![Southwest logo]()
$247
This Southwest deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 9/235:20 am -
1 stop10h 35m
Wed 9/308:25 am -
2 stops10h 25m
Deal found 8/25![Southwest logo]()
$248
This Southwest deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 10/16:50 pm -
1 stop13h 10m
Tue 10/65:20 am -
2 stops10h 15m
Deal found 8/24![Southwest logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/218:15 pm -
2 stops21h 22m
Mon 9/288:32 pm -
1 stop20h 36m
Deal found 8/24![Frontier logo]()
$252
This Southwest deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/2411:05 pm -
1 stop8h 10m
Wed 9/308:25 am -
2 stops10h 25m
Deal found 8/24![Southwest logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/154:27 pm -
1 stop24h 50m
Tue 9/2212:17 pm -
2 stops28h 51m
Deal found 8/24![Frontier logo]()
$255
This Southwest deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/511:20 am -
2 stops11h 30m
Mon 11/95:05 am -
2 stops10h 50m
Deal found 8/27![Southwest logo]()
$257
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 28, 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 28, 2026.
This Southwest deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 11/53:45 pm -
1 stop6h 45m
Sun 11/87:15 pm -
1 stop7h 25m
Deal found 8/23![Southwest logo]()
$248
This Delta deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 10/165:15 pm -
1 stop5h 02m
Sun 10/187:00 am -
1 stop5h 45m
Deal found 8/23![Delta logo]()
$317
This United Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/122:30 pm -
1 stop6h 54m
Mon 11/168:30 am -
2 stops14h 26m
Deal found 8/25![United Airlines logo]()
$332
This Alaska Airlines deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 10/2711:55 am -
Nonstop3h 23m
Thu 10/296:17 am -
1 stop9h 07m
Deal found 8/26![Alaska Airlines logo]()
$357
This American Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 9/102:19 pm -
1 stop8h 08m
Wed 9/162:30 pm -
1 stop7h 09m
Deal found 8/25![American Airlines logo]()
$369
This Southwest deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 10/16:50 pm -
1 stop13h 10m
Sun 10/48:25 am -
2 stops14h 20m
Deal found 8/23![Southwest logo]()
$303
This United Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:35 pm -
2 stops14h 35m
Sun 11/88:00 am -
1 stop8h 39m
Deal found 8/24![United Airlines logo]()
$332
This Southwest deal was found by Cheapflights users on 8/28. 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.
Fri 9/1811:00 pm -
1 stop7h 15m
Tue 9/2211:55 am -
2 stops10h 25m
Deal found 8/28![Southwest logo]()
$305
This KAYAK deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1211:10 pm -
1 stop8h 34m
Thu 10/157:00 pm -
1 stop6h 59m
Deal found 8/25![Delta logo]()
$340
This Alaska Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 9/196:27 pm -
Nonstop3h 32m
Tue 9/227:00 am -
Nonstop3h 57m
Deal found 8/23![Alaska Airlines logo]()
$363
This Southwest deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/235:50 am -
1 stop6h 55m
Sat 9/261:35 pm -
Nonstop3h 35m
Deal found 8/24![Southwest logo]()
$307
This United Airlines deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 11/161:25 pm -
1 stop6h 50m
Fri 11/205:20 pm -
1 stop7h 49m
Deal found 8/26![United Airlines logo]()
$348
This Delta deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/1910:15 am -
2 stops10h 17m
Fri 1/2911:40 am -
2 stops14h 11m
Deal found 8/27![Delta logo]()
$351
This American Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 9/2511:08 pm -
1 stop9h 00m
Sun 9/276:49 pm -
1 stop6h 34m
Deal found 8/23![American Airlines logo]()
$405
This Alaska Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 12/94:46 pm -
1 stop19h 40m
Wed 12/163:24 pm -
1 stop9h 33m
Deal found 8/25![Alaska Airlines logo]()
$369
This Southwest deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 10/112:10 am -
1 stop6h 50m
Sun 10/48:25 am -
2 stops14h 20m
Deal found 8/23![Southwest logo]()
$315
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 9/2911:35 am -
1 stop8h 33m
Sat 10/34:00 pm -
1 stop9h 58m
Deal found 8/25![Delta logo]()
$358
This Alaska Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/85:00 am -
1 stop7h 26m
Wed 12/163:24 pm -
1 stop9h 33m
Deal found 8/27![Alaska Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/41:15 pm -
1 stop5h 26m
Mon 11/93:00 pm -
1 stop9h 27m
Deal found 8/27![United Airlines logo]()
$370
This Southwest deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:20 am -
1 stop7h 50m
Mon 9/288:30 am -
2 stops11h 05m
Deal found 8/27![Southwest logo]()
$317
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 10/285:55 pm -
Nonstop3h 36m
Tue 11/37:00 am -
Nonstop4h 04m
Deal found 8/25![Delta logo]()
$363
This Alaska Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 9/221:36 pm -
1 stop8h 23m
Wed 9/237:00 am -
1 stop6h 37m
Deal found 8/23![Alaska Airlines logo]()
$369
This Southwest deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 10/1611:35 pm -
1 stop8h 20m
Sun 10/185:25 am -
1 stop7h 00m
Deal found 8/25![Southwest logo]()
$317
This United Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 10/215:00 am -
1 stop5h 56m
Thu 10/291:25 pm -
2 stops10h 25m
Deal found 8/23![United Airlines logo]()
$396
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 10/811:12 pm -
1 stop8h 32m
Tue 10/137:00 pm -
1 stop6h 47m
Deal found 8/25![Delta logo]()
$363
This Alaska Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/143:05 pm -
1 stop19h 33m
Sat 9/191:34 pm -
1 stop8h 19m
Deal found 8/23![Alaska Airlines logo]()
$369
This Southwest deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 stop10h 10m
Sun 10/118:45 pm -
1 stop6h 15m
Deal found 8/24![Southwest logo]()
$322
This United Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/251:18 pm -
2 stops8h 26m
Thu 12/315:45 am -
1 stop6h 04m
Deal found 8/27![United Airlines logo]()
$404
This Delta deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 10/911:00 pm -
1 stop8h 28m
Sun 10/117:16 am -
1 stop6h 55m
Deal found 8/24![Delta logo]()
$368
This Alaska Airlines deal was found by Cheapflights users on 8/28. 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.
Thu 11/1911:53 am -
Nonstop3h 20m
Tue 12/15:00 pm -
Nonstop3h 55m
Deal found 8/28![Alaska Airlines logo]()
$377
Last-minute flights from Washington to MissouriDiscover last-minute flight deals from Washington to Missouri. Data last updated August 28, 2026 and is based on user searches.
Discover last-minute flight deals from Washington to Missouri. Data last updated August 28, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/154:27 pm -
1 stop24h 50m
Tue 9/2212:17 pm -
2 stops28h 51m
Deal found 8/24![Frontier logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/154:27 pm -
1 stop24h 50m
Sat 9/198:10 pm -
1 stop20h 58m
Deal found 8/24![Frontier logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/158:15 pm -
2 stops21h 02m
Mon 9/218:10 pm -
1 stop20h 58m
Deal found 8/24![Frontier logo]()
$280
This American Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:41 pm -
1 stop6h 46m
Thu 9/245:18 pm -
1 stop8h 53m
Deal found 8/27![American Airlines logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/218:15 pm -
2 stops21h 22m
Mon 9/288:32 pm -
1 stop20h 36m
Deal found 8/24![Frontier logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 9/219:45 pm -
2 stops37h 25m
Mon 9/288:10 pm -
1 stop20h 58m
Deal found 8/23![Frontier logo]()
$279
This Southwest deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2311:05 pm -
1 stop8h 10m
Sat 9/262:25 pm -
2 stops10h 35m
Deal found 8/27![Southwest logo]()
$239
This Southwest deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 9/235:20 am -
1 stop10h 35m
Wed 9/308:25 am -
2 stops10h 25m
Deal found 8/25![Southwest logo]()
$248
This Southwest deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/2411:05 pm -
1 stop8h 10m
Wed 9/308:25 am -
2 stops10h 25m
Deal found 8/24![Southwest logo]()
$253
This Southwest deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 9/2411:00 pm -
1 stop9h 15m
Sun 9/2710:55 am -
Nonstop4h 20m
Deal found 8/26![Southwest logo]()
$269
This American Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 9/243:41 pm -
1 stop6h 46m
Mon 10/55:27 pm -
1 stop9h 09m
Deal found 8/25![American Airlines logo]()
$277
This Southwest deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 9/2610:50 am -
2 stops8h 50m
Sat 10/38:25 am -
1 stop14h 00m
Deal found 8/26![Southwest logo]()
$268
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 28, 2026.
Search for one-way flight options from Washington to Missouri. Find affordable one-way fares based on user searches. Data last updated August 28, 2026.
This Southwest deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/612:10 am -
1 stop7h 05m
Deal found 8/27![Southwest logo]()
$69
This Southwest deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 11/59:25 pm -
1 stop12h 25m
Deal found 8/25![Southwest logo]()
$74
This American Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:45 pm -
1 stop7h 35m
Deal found 8/27![American Airlines logo]()
$80
This Southwest deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 9/1811:00 pm -
1 stop7h 15m
Deal found 8/25![Southwest logo]()
$86
This Delta deal was found by Cheapflights users on 8/28. 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 12/46:00 am -
1 stop8h 30m
Deal found 8/28![Delta logo]()
$89
This Southwest deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 10/302:10 pm -
2 stops8h 25m
Deal found 8/26![Southwest logo]()
$91
This American Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 9/213:41 pm -
1 stop6h 46m
Deal found 8/23![American Airlines logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 9/298:15 pm -
2 stops21h 02m
Deal found 8/26![Frontier logo]()
$108
This American Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/43:41 pm -
1 stop6h 46m
Deal found 8/27![American Airlines logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 10/68:15 pm -
2 stops21h 02m
Deal found 8/25![Frontier logo]()
$116
This United Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:00 am -
2 stops10h 05m
Deal found 8/27![United Airlines logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 11/138:09 pm -
2 stops21h 38m
Deal found 8/24![Frontier logo]()
$122
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 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $232 (KAYAK) |
One-way from | $69 (Southwest) |
Popular in | July |
Cheapest in | January |
Average price | $442 |
Good round-trip deal | $345 or less |
Good one-way deal | $227 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 7,457,451 searches. Data last updated August 28, 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
SeattleSt. Louis
SEA Seattle/Tacoma Intl - STL Lambert-St Louis
SEASTL
Seattle/Tacoma Intl
Thu 11/5
3:45 pm-12:30 am
1 stop6h 45m
Lambert-St Louis
Sun 11/8
7:15 pm-12:40 am
1 stop7h 25m
$248
SeattleSt. Louis
SEA Seattle/Tacoma Intl - STL Lambert-St Louis
SEASTL
Seattle/Tacoma Intl
Thu 10/1
6:50 pm-10:00 am
1 stop13h 10m
Lambert-St Louis
Sun 10/4
8:25 am-8:45 pm
2 stops14h 20m
$303
SeattleSt. Louis
SEA Seattle/Tacoma Intl - STL Lambert-St Louis
SEASTL
Seattle/Tacoma Intl
Fri 9/18
11:00 pm-8:15 am
1 stop7h 15m
Lambert-St Louis
Tue 9/22
11:55 am-8:20 pm
2 stops10h 25m
$305
PortlandKansas City
PDX Portland - MCI Kansas City
PDXMCI
Portland
Wed 9/23
5:50 am-2:45 pm
1 stop6h 55m
Kansas City
Sat 9/26
1:35 pm-3:10 pm
Nonstop3h 35m
$307
SeattleSt. Louis
SEA Seattle/Tacoma Intl - STL Lambert-St Louis
SEASTL
Seattle/Tacoma Intl
Thu 10/1
12:10 am-9:00 am
1 stop6h 50m
Lambert-St Louis
Sun 10/4
8:25 am-8:45 pm
2 stops14h 20m
$315
PortlandKansas City
PDX Portland - MCI Kansas City
PDXMCI
Portland
Fri 10/16
5:15 pm-12:17 am
1 stop5h 02m
Kansas City
Sun 10/18
7:00 am-10:45 am
1 stop5h 45m
$317
SeattleSt. Louis
SEA Seattle/Tacoma Intl - STL Lambert-St Louis
SEASTL
Seattle/Tacoma Intl
Wed 9/23
5:20 am-3:10 pm
1 stop7h 50m
Lambert-St Louis
Mon 9/28
8:30 am-5:35 pm
2 stops11h 05m
$317
PortlandKansas City
PDX Portland - MCI Kansas City
PDXMCI
Portland
Fri 10/16
11:35 pm-9:55 am
1 stop8h 20m
Kansas City
Sun 10/18
5:25 am-10:25 am
1 stop7h 00m
$317
PortlandKansas City
PDX Portland - MCI Kansas City
PDXMCI
Portland
Thu 10/8
7:35 pm-7:45 am
1 stop10h 10m
Kansas City
Sun 10/11
8:45 pm-1:00 am
1 stop6h 15m
$322
SeattleSt. Louis
SEA Seattle/Tacoma Intl - STL Lambert-St Louis
SEASTL
Seattle/Tacoma Intl
Thu 11/12
2:30 pm-11:24 pm
1 stop6h 54m
Lambert-St Louis
Mon 11/16
8:30 am-8:56 pm
2 stops14h 26m
$332
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-STL
SEA-MCI
PDX-COU
PDX-MCI
PDX-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
SEA-STL
SEA-MCI
PDX-COU
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 28, 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 28, 2026.
The most flights from USWA to USMO are scheduled on a Thursday (11 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).
How much does it cost to fly round-trip from State of Washington to Missouri?
Airfare is below average for this route at the moment.
State of Washington to Missouri flights typically cost between $236 and $463 in October.The cheapest round-trip price found within the last 5 days was $232 on Delta (Oct 6-Oct 9).
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 28, 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.
Food
7.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
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 28, 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 7,457,451 searches. Data last updated August 28, 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$502 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$158 | Average$455 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$178 | Average$457 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$196 | Average$513 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$199 | Average$508 | FlexibilityNo cancel fee | On-time75% |