$103+ Cheap flights from Washington to Missouri
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — STL
Nov 18 — Nov 251
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Washington to Missouri with Cheapflights
1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Washington to Missouri
Cheapest
Best
Last-minute
One-way
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 October 19, 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 October 19, 2026.
This Southwest deal was found by Cheapflights users on 10/14. 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.
Sun 11/1512:15 am -
1 stop6h 35m
Wed 11/1811:20 am -
2 stops9h 20m
Deal found 10/14![Southwest logo]()
$223
This Southwest deal was found by Cheapflights users on 10/14. 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.
Thu 12/105:40 am -
2 stops9h 45m
Sat 12/125:50 am -
1 stop7h 00m
Deal found 10/14![Southwest logo]()
$225
This Southwest deal was found by Cheapflights users on 10/14. 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.
Wed 11/411:35 am -
2 stops9h 35m
Sun 11/87:15 pm -
1 stop7h 30m
Deal found 10/14![Southwest logo]()
$226
This Southwest deal was found by Cheapflights users on 10/14. 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.
Sat 12/55:05 am -
2 stops9h 15m
Wed 12/98:25 am -
2 stops12h 35m
Deal found 10/14![Southwest logo]()
$227
This Southwest deal was found by Cheapflights users on 10/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:50 pm -
1 stop13h 00m
Tue 10/202:35 pm -
2 stops9h 10m
Deal found 10/15![Southwest logo]()
$229
This Delta deal was found by Cheapflights users on 10/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:15 am -
1 stop8h 29m
Sat 10/245:00 pm -
1 stop7h 05m
Deal found 10/15![Delta logo]()
$231
This Southwest deal was found by Cheapflights users on 10/14. 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.
Wed 11/114:40 pm -
2 stops14h 50m
Sun 11/157:15 pm -
1 stop7h 20m
Deal found 10/14![Southwest logo]()
$232
This Delta deal was found by Cheapflights users on 10/14. 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.
Fri 12/41:45 pm -
1 stop7h 41m
Mon 12/712:31 pm -
1 stop6h 39m
Deal found 10/14![Delta logo]()
$234
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Thu 11/122:30 pm -
1 stop6h 54m
Sun 11/157:05 pm -
1 stop7h 54m
Deal found 10/14![United Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 10/14. 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.
Thu 11/511:20 am -
2 stops11h 35m
Mon 11/97:20 pm -
1 stop7h 40m
Deal found 10/14![Southwest logo]()
$239
This Southwest deal was found by Cheapflights users on 10/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:40 am -
1 stop9h 20m
Sat 10/248:25 am -
2 stops13h 40m
Deal found 10/15![Southwest logo]()
$242
This Southwest deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 12/85:15 am -
2 stops13h 50m
Tue 12/152:05 pm -
2 stops10h 15m
Deal found 10/18![Southwest logo]()
$243
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 October 19, 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 October 19, 2026.
This Southwest deal was found by Cheapflights users on 10/14. 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.
Wed 11/411:35 am -
2 stops9h 35m
Sun 11/87:15 pm -
1 stop7h 30m
Deal found 10/14![Southwest logo]()
$226
This United Airlines deal was found by Cheapflights users on 10/14. 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 12/91:49 pm -
1 stop5h 12m
Mon 12/145:02 pm -
1 stop6h 23m
Deal found 10/14![United Airlines logo]()
$350
This American Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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 11/112:13 pm -
1 stop6h 27m
Sat 11/147:14 am -
1 stop8h 09m
Deal found 10/16![American Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 12/221:49 pm -
1 stop8h 02m
Sat 1/25:28 pm -
1 stop7h 48m
Deal found 10/19![Delta logo]()
$402
This Alaska Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” 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 11/141:49 pm -
1 stop8h 10m
Wed 11/187:00 am -
1 stop8h 12m
Deal found 10/17![Alaska Airlines logo]()
$409
This Southwest deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 12/29:25 am -
1 stop8h 25m
Wed 12/94:40 pm -
1 stop8h 55m
Deal found 10/18![Southwest logo]()
$227
This Southwest deal was found by Cheapflights users on 10/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/811:20 am -
2 stops8h 40m
Mon 1/115:35 pm -
1 stop6h 55m
Deal found 10/15![Southwest logo]()
$239
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Thu 11/126:30 pm -
2 stops12h 25m
Mon 11/165:34 pm -
1 stop7h 33m
Deal found 10/14![United Airlines logo]()
$356
This Southwest deal was found by Cheapflights users on 10/14. 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.
Thu 11/128:30 am -
1 stop8h 30m
Wed 11/1811:20 am -
2 stops9h 20m
Deal found 10/14![Southwest logo]()
$311
This American Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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 11/1110:43 am -
1 stop9h 57m
Sat 11/148:22 am -
1 stop8h 29m
Deal found 10/16![American Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Sun 11/157:00 am -
1 stop9h 05m
Wed 11/187:30 am -
2 stops12h 27m
Deal found 10/14![United Airlines logo]()
$362
This Alaska Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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 11/96:07 pm -
Nonstop3h 52m
Mon 11/166:00 am -
Nonstop4h 36m
Deal found 10/16![Alaska Airlines logo]()
$411
This Southwest deal was found by Cheapflights users on 10/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:45 am -
2 stops7h 35m
Wed 11/1811:20 am -
2 stops9h 20m
Deal found 10/15![Southwest logo]()
$322
This Delta deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” 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 3/512:35 pm -
2 stops8h 42m
Wed 3/107:30 am -
1 stop6h 26m
Deal found 10/17![Delta logo]()
$430
This American Airlines deal was found by Cheapflights users on 10/14. 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.
Fri 11/132:13 pm -
1 stop8h 11m
Sun 11/155:20 am -
1 stop8h 41m
Deal found 10/14![American Airlines logo]()
$410
This Southwest deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 12/96:05 am -
2 stops10h 30m
Wed 12/165:05 am -
2 stops10h 25m
Deal found 10/19![Southwest logo]()
$329
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 12/32:05 pm -
1 stop7h 25m
Mon 12/71:20 pm -
2 stops10h 38m
Deal found 10/18![United Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 12/97:00 am -
2 stops11h 32m
Tue 12/157:08 am -
2 stops13h 51m
Deal found 10/18![Delta logo]()
$443
This Alaska Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 11/36:01 am -
1 stop5h 55m
Sat 11/77:00 am -
1 stop8h 12m
Deal found 10/19![Alaska Airlines logo]()
$449
This American Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 11/112:13 pm -
1 stop6h 27m
Wed 11/187:00 am -
2 stops11h 39m
Deal found 10/19![American Airlines logo]()
$421
This Southwest deal was found by Cheapflights users on 10/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1512:15 am -
1 stop6h 35m
Thu 11/195:30 am -
2 stops9h 30m
Deal found 10/15![Southwest logo]()
$330
This Delta deal was found by Cheapflights users on 10/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:00 am -
2 stops14h 18m
Mon 11/167:08 am -
2 stops9h 38m
Deal found 10/15![Delta logo]()
$450
This Alaska Airlines deal was found by Cheapflights users on 10/14. 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.
Tue 11/176:03 am -
1 stop5h 53m
Wed 11/187:00 am -
1 stop6h 30m
Deal found 10/14![Alaska Airlines logo]()
$450
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Fri 11/135:00 am -
1 stop5h 28m
Sun 11/157:36 am -
1 stop6h 53m
Deal found 10/14![United Airlines logo]()
$410
This American Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 11/43:37 pm -
1 stop6h 11m
Wed 11/118:13 am -
1 stop8h 54m
Deal found 10/19![American Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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 4/147:00 am -
1 stop5h 41m
Fri 4/163:30 pm -
1 stop5h 57m
Deal found 10/16![Delta logo]()
$455
This Alaska Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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 10/316:01 am -
1 stop6h 20m
Wed 11/47:00 am -
1 stop8h 12m
Deal found 10/16![Alaska Airlines logo]()
$474
This United Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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 11/115:00 am -
2 stops11h 05m
Wed 11/189:05 am -
2 stops11h 36m
Deal found 10/16![United Airlines logo]()
$444
This American Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” 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 11/106:25 am -
2 stops11h 18m
Tue 11/178:01 am -
2 stops10h 38m
Deal found 10/17![American Airlines logo]()
$456
This Southwest deal was found by Cheapflights users on 10/14. 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.
Sun 11/812:15 am -
1 stop6h 15m
Thu 11/196:30 pm -
1 stop6h 20m
Deal found 10/14![Southwest logo]()
$377
Last-minute flights from Washington to MissouriDiscover last-minute flight deals from Washington to Missouri. Data last updated October 19, 2026 and is based on user searches.
Discover last-minute flight deals from Washington to Missouri. Data last updated October 19, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Sat 10/178:30 am -
2 stops9h 11m
Wed 10/211:36 pm -
1 stop6h 01m
Deal found 10/14![United Airlines logo]()
$261
This Southwest deal was found by Cheapflights users on 10/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:50 pm -
1 stop13h 00m
Tue 10/202:35 pm -
2 stops9h 10m
Deal found 10/15![Southwest logo]()
$229
This Delta deal was found by Cheapflights users on 10/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:15 am -
1 stop8h 29m
Sat 10/245:00 pm -
1 stop7h 05m
Deal found 10/15![Delta logo]()
$231
This Southwest deal was found by Cheapflights users on 10/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:40 am -
1 stop9h 20m
Sat 10/248:25 am -
2 stops13h 40m
Deal found 10/15![Southwest logo]()
$242
This Southwest deal was found by Cheapflights users on 10/14. 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.
Wed 11/411:35 am -
2 stops9h 35m
Sun 11/87:15 pm -
1 stop7h 30m
Deal found 10/14![Southwest logo]()
$226
This Southwest deal was found by Cheapflights users on 10/14. 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.
Thu 11/511:20 am -
2 stops11h 35m
Mon 11/97:20 pm -
1 stop7h 40m
Deal found 10/14![Southwest logo]()
$239
This Southwest deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 11/99:25 pm -
1 stop12h 35m
Tue 11/175:30 am -
1 stop7h 05m
Deal found 10/18![Southwest logo]()
$258
This Southwest deal was found by Cheapflights users on 10/14. 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.
Wed 11/114:40 pm -
2 stops14h 50m
Sun 11/157:15 pm -
1 stop7h 20m
Deal found 10/14![Southwest logo]()
$232
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Thu 11/122:30 pm -
1 stop6h 54m
Sun 11/157:05 pm -
1 stop7h 54m
Deal found 10/14![United Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 10/14. 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.
Sun 11/1512:15 am -
1 stop6h 35m
Wed 11/1811:20 am -
2 stops9h 20m
Deal found 10/14![Southwest logo]()
$223
This Delta deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 11/166:00 am -
1 stop9h 14m
Thu 11/199:45 am -
1 stop9h 25m
Deal found 10/18![Delta logo]()
$247
This Delta deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” 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 11/185:35 am -
1 stop5h 55m
Wed 12/26:03 am -
1 stop6h 42m
Deal found 10/17![Delta logo]()
$227
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 October 19, 2026.
Search for one-way flight options from Washington to Missouri. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
This Delta deal was found by Cheapflights users on 10/14. 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 10/277:15 am -
1 stop8h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Delta logo]()
$103
This Southwest deal was found by Cheapflights users on 10/14. 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.
Wed 11/411:35 am -
2 stops9h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Southwest logo]()
$108
This Delta deal was found by Cheapflights users on 10/14. 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.
Sat 12/126:00 am -
1 stop6h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Delta logo]()
$109
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 11/177:00 am -
1 stop6h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![United Airlines logo]()
$114
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Mon 10/2610:56 pm -
1 stop9h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![United Airlines logo]()
$116
This Southwest deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 11/175:40 am -
2 stops9h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Southwest logo]()
$119
This United Airlines deal was found by Cheapflights users on 10/14. 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 11/36:00 am -
2 stops10h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![United Airlines logo]()
$121
This American Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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 12/43:28 pm -
1 stop6h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![American Airlines logo]()
$124
This Southwest deal was found by Cheapflights users on 10/14. 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.
Mon 12/144:40 pm -
2 stops14h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Southwest logo]()
$127
This Super.com deal was found by Cheapflights users on 10/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/214:37 pm -
1 stop24h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Frontier logo]()
$133
This Cheapflightsfares deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/224:29 pm -
1 stop25h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Frontier logo]()
$135
This Super.com deal was found by Cheapflights users on 10/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/64:27 pm -
1 stop25h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Frontier logo]()
$142
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 October 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $223 (Southwest) |
One-way from | $103 (Delta) |
Popular in | December |
Cheapest in | January |
Average price | $417 |
Good round-trip deal | $417 or less |
Good one-way deal | $228 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 October 19, 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
Tue 10/27
7:15 am-5:44 pm
1 stop8h 29m
Lambert-St Louis
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$103
SeattleSt. Louis
SEA Seattle/Tacoma Intl - STL Lambert-St Louis
SEASTL
Seattle/Tacoma Intl
Wed 12/23
8:30 pm-9:35 am
1 stop11h 05m
Lambert-St Louis
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$108
SeattleSt. Louis
SEA Seattle/Tacoma Intl - STL Lambert-St Louis
SEASTL
Seattle/Tacoma Intl
Tue 12/15
11:05 am-11:05 pm
2 stops10h 00m
Lambert-St Louis
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$108
SeattleSt. Louis
SEA Seattle/Tacoma Intl - STL Lambert-St Louis
SEASTL
Seattle/Tacoma Intl
Wed 12/16
7:00 am-6:11 pm
1 stop9h 11m
Lambert-St Louis
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$114
SeattleSt. Louis
SEA Seattle/Tacoma Intl - STL Lambert-St Louis
SEASTL
Seattle/Tacoma Intl
Sat 11/21
5:30 pm-12:55 am
1 stop5h 25m
Lambert-St Louis
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$116
SeattleSt. Louis
SEA Seattle/Tacoma Intl - STL Lambert-St Louis
SEASTL
Seattle/Tacoma Intl
Sun 12/13
12:15 am-8:50 am
1 stop6h 35m
Lambert-St Louis
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$116
SeattleSt. Louis
SEA Seattle/Tacoma Intl - STL Lambert-St Louis
SEASTL
Seattle/Tacoma Intl
Sun 12/13
11:15 pm-9:19 am
1 stop8h 04m
Lambert-St Louis
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$119
SeattleSt. Louis
SEA Seattle/Tacoma Intl - STL Lambert-St Louis
SEASTL
Seattle/Tacoma Intl
Tue 11/17
5:40 am-5:25 pm
2 stops9h 45m
Lambert-St Louis
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$119
SeattleSt. Louis
SEA Seattle/Tacoma Intl - STL Lambert-St Louis
SEASTL
Seattle/Tacoma Intl
Mon 1/11
5:40 am-4:30 pm
2 stops8h 50m
Lambert-St Louis
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$121
SeattleKansas City
SEA Seattle/Tacoma Intl - MCI Kansas City
SEAMCI
Seattle/Tacoma Intl
Mon 12/7
2:07 pm-7:35 pm
2 stops27h 28m
Kansas City
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$143
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
GEG-SGF
GEG-MCI
PSC-MCI
SEA-SGF
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
GEG-SGF
GEG-MCI
PSC-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 October 19, 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 October 19, 2026.
The most flights from USWA to USMO are scheduled on a Friday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 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 $293 and $518 in November.The cheapest round-trip price found within the last 5 days was $223 on Southwest (Nov 15-Nov 18).
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 90 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 October 19, 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
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Entertainment
7.0
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Entertainment
7.0
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Entertainment
7.0
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Entertainment
7.0
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Entertainment
7.0
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
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 October 19, 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 6 airlines flying from Washington to Missouri
Discover the top 6 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 October 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$113 | Average$430 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$133 | Average$330 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$178 | Average$481 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$184 | Average$502 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$196 | Average$491 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$248 | Average$484 | FlexibilityNo cancel fee | On-time69% |