$93+ Cheap flights from Seattle (SEA) 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — STL
Nov 13 — Nov 201
Round-trip
1 adult, Economy
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Find cheap flights from Seattle 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
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Cheapest flights from Seattle to MissouriExplore the most affordable flight options available from Seattle to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2026.
Explore the most affordable flight options available from Seattle to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 10/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/64:27 pm -
1 stop25h 20m
Fri 11/138:43 pm -
1 stop20h 29m
Deal found 10/9![Frontier logo]()
$190
This American Airlines deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1511:34 pm -
1 stop9h 19m
Wed 11/188:00 am -
1 stop7h 51m
Deal found 10/10![American Airlines logo]()
$222
This Southwest deal was found by Cheapflights users on 10/13. 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 11/411:35 am -
2 stops9h 35m
Mon 11/97:15 pm -
1 stop7h 30m
Deal found 10/13![Southwest logo]()
$223
This Delta deal was found by Cheapflights users on 10/12. 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.
Sat 11/76:00 am -
1 stop8h 38m
Sat 11/145:00 pm -
1 stop7h 44m
Deal found 10/12![Delta logo]()
$224
This Southwest deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/612:15 am -
1 stop9h 25m
Sat 11/145:50 am -
1 stop7h 00m
Deal found 10/11![Southwest logo]()
$225
This Southwest deal was found by Cheapflights users on 10/13. 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 11/411:35 am -
2 stops9h 35m
Fri 11/67:20 pm -
1 stop7h 40m
Deal found 10/13![Southwest logo]()
$226
This American Airlines deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/911:34 pm -
1 stop9h 19m
Mon 11/167:26 am -
1 stop8h 54m
Deal found 10/10![American Airlines logo]()
$227
This Delta deal was found by Cheapflights users on 10/11. 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 11/76:00 am -
1 stop7h 37m
Thu 11/2610:20 am -
1 stop10h 17m
Deal found 10/11![Delta logo]()
$229
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 11/51:16 pm -
1 stop6h 59m
Mon 11/91:08 pm -
1 stop7h 55m
Deal found 10/14![United Airlines 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 Kiwi.com deal was found by Cheapflights users on 10/10. 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.
Wed 12/94:58 pm -
1 stop24h 37m
Tue 12/158:32 pm -
1 stop21h 11m
Deal found 10/10![Frontier logo]()
$234
This Delta deal was found by Cheapflights users on 10/13. 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 11/611:50 pm -
1 stop8h 48m
Mon 11/97:00 pm -
1 stop6h 59m
Deal found 10/13![Delta logo]()
$234
Best flights from Seattle to MissouriDiscover carefully curated flight deals from Seattle to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 14, 2026.
Discover carefully curated flight deals from Seattle to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 14, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 10/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/64:27 pm -
1 stop25h 20m
Fri 11/138:43 pm -
1 stop20h 29m
Deal found 10/9![Frontier logo]()
$190
This Delta deal was found by Cheapflights users on 10/12. 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.
Sat 11/76:00 am -
1 stop8h 38m
Sat 11/145:00 pm -
1 stop7h 44m
Deal found 10/12![Delta logo]()
$224
This Southwest deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/612:15 am -
1 stop9h 25m
Sat 11/145:50 am -
1 stop7h 00m
Deal found 10/11![Southwest logo]()
$225
This Alaska Airlines deal was found by Cheapflights users on 10/10. 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.
Mon 11/912:25 am -
1 stop7h 03m
Tue 11/176:00 am -
Nonstop4h 36m
Deal found 10/10![Alaska Airlines logo]()
$378
This United Airlines deal was found by Cheapflights users on 10/11. 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.
Sun 11/15:05 am -
1 stop5h 36m
Sat 11/77:35 am -
2 stops10h 51m
Deal found 10/11![United Airlines logo]()
$384
This Southwest deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/304:15 pm -
1 stop5h 35m
Tue 11/34:40 pm -
1 stop8h 50m
Deal found 10/11![Southwest logo]()
$316
This KAYAK deal was found by Cheapflights users on 10/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1811:23 am -
1 stop23h 27m
Mon 11/309:40 am -
1 stop28h 20m
Deal found 10/10![Multiple Airlines logo]()
$684
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 11/125:15 am -
2 stops9h 40m
Wed 11/1811:20 am -
2 stops9h 20m
Deal found 10/14![Southwest logo]()
$316
This Southwest deal was found by Cheapflights users on 10/12. 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.
Thu 11/511:20 am -
2 stops11h 35m
Mon 11/97:20 pm -
1 stop7h 40m
Deal found 10/12![Southwest logo]()
$324
This United Airlines deal was found by Cheapflights users on 10/13. 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.
Mon 11/95:05 am -
1 stop5h 36m
Fri 11/204:56 pm -
1 stop7h 55m
Deal found 10/13![United Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 10/13. 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.
Wed 11/116:00 am -
1 stop8h 33m
Wed 11/185:28 pm -
1 stop8h 29m
Deal found 10/13![Delta logo]()
$399
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.
Sat 11/79:25 am -
Nonstop3h 56m
Sat 11/146:00 am -
Nonstop4h 36m
Deal found 10/14![Alaska Airlines logo]()
$431
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.
Tue 11/105:40 am -
2 stops9h 45m
Sat 11/1412:10 pm -
2 stops10h 25m
Deal found 10/14![Southwest logo]()
$336
This United Airlines deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:00 am -
2 stops13h 58m
Sat 10/319:01 am -
1 stop6h 54m
Deal found 10/11![United Airlines logo]()
$444
This Southwest deal was found by Cheapflights users on 10/10. 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.
Sun 11/1512:15 am -
1 stop8h 45m
Fri 11/207:15 pm -
1 stop7h 20m
Deal found 10/10![Southwest logo]()
$337
This Alaska Airlines deal was found by Cheapflights users on 10/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:30 pm -
Nonstop3h 29m
Sun 11/157:00 am -
Nonstop4h 09m
Deal found 10/13![Alaska Airlines logo]()
$487
This Southwest deal was found by Cheapflights users on 10/13. 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.
Sun 11/15:15 am -
2 stops9h 40m
Sat 11/145:50 am -
1 stop7h 00m
Deal found 10/13![Southwest logo]()
$362
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 11/1210:56 pm -
1 stop8h 02m
Mon 11/165:45 am -
1 stop6h 02m
Deal found 10/14![United Airlines logo]()
$487
This United Airlines deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/264:00 pm -
1 stop5h 44m
Sat 1/301:38 pm -
1 stop6h 34m
Deal found 10/11![United Airlines logo]()
$494
This KAYAK deal was found by Cheapflights users on 10/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1811:42 pm -
1 stop11h 08m
Wed 12/22:10 pm -
1 stop20h 47m
Deal found 10/10![Multiple Airlines logo]()
$684
This Southwest deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1111:10 am -
2 stops8h 10m
Mon 12/1411:40 am -
2 stops9h 20m
Deal found 10/10![Southwest logo]()
$387
This United Airlines deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:17 am -
1 stop6h 49m
Sat 10/249:00 am -
1 stop7h 49m
Deal found 10/10![United Airlines logo]()
$494
This Southwest deal was found by Cheapflights users on 10/9. 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.
Wed 11/46:10 am -
1 stop5h 25m
Wed 11/46:25 pm -
1 stop7h 10m
Deal found 10/9![Southwest logo]()
$391
This United Airlines deal was found by Cheapflights users on 10/11. 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 1/97:00 am -
2 stops14h 30m
Tue 1/123:12 pm -
1 stop9h 33m
Deal found 10/11![United Airlines logo]()
$494
This Southwest deal was found by Cheapflights users on 10/13. 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 11/125:15 am -
2 stops11h 55m
Mon 11/164:40 pm -
1 stop8h 55m
Deal found 10/13![Southwest logo]()
$412
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 10/2912:45 pm -
1 stop5h 56m
Mon 11/29:01 am -
2 stops14h 49m
Deal found 10/14![United Airlines logo]()
$501
This United Airlines deal was found by Cheapflights users on 10/12. 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 11/114:39 pm -
2 stops15h 57m
Sat 11/142:55 pm -
1 stop9h 56m
Deal found 10/12![United Airlines logo]()
$504
This Southwest deal was found by Cheapflights users on 10/11. 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 11/125:30 am -
1 stop6h 00m
Sun 11/155:30 am -
1 stop7h 00m
Deal found 10/11![Southwest logo]()
$419
This United Airlines deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:35 pm -
2 stops12h 01m
Fri 11/131:25 pm -
2 stops11h 53m
Deal found 10/10![United Airlines logo]()
$509
This Southwest deal was found by Cheapflights users on 10/12. 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.
Sun 11/152:35 pm -
1 stop8h 30m
Mon 11/163:50 pm -
1 stop9h 45m
Deal found 10/12![Southwest logo]()
$424
Last-minute flights from Seattle to MissouriDiscover last-minute flight deals from Seattle to Missouri. Data last updated October 14, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Missouri. Data last updated October 14, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 10/13. 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 11/411:35 am -
2 stops9h 35m
Mon 11/97:15 pm -
1 stop7h 30m
Deal found 10/13![Southwest logo]()
$223
This Southwest deal was found by Cheapflights users on 10/13. 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 11/45:15 am -
1 stop10h 10m
Fri 11/67:15 pm -
1 stop7h 30m
Deal found 10/13![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.
Thu 11/51:16 pm -
1 stop6h 59m
Mon 11/91:08 pm -
1 stop7h 55m
Deal found 10/14![United Airlines logo]()
$231
This Southwest deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/612:15 am -
1 stop9h 25m
Sat 11/145:50 am -
1 stop7h 00m
Deal found 10/11![Southwest logo]()
$225
This Delta deal was found by Cheapflights users on 10/13. 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 11/611:50 pm -
1 stop8h 48m
Mon 11/97:00 pm -
1 stop6h 59m
Deal found 10/13![Delta logo]()
$234
This Delta deal was found by Cheapflights users on 10/12. 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.
Sat 11/76:00 am -
1 stop8h 38m
Sat 11/145:00 pm -
1 stop7h 44m
Deal found 10/12![Delta logo]()
$224
This Delta deal was found by Cheapflights users on 10/11. 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 11/76:00 am -
1 stop7h 37m
Thu 11/2610:20 am -
1 stop10h 17m
Deal found 10/11![Delta logo]()
$229
This American Airlines deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/911:34 pm -
1 stop9h 19m
Mon 11/167:26 am -
1 stop8h 54m
Deal found 10/10![American Airlines logo]()
$227
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 10/12. 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 11/135:30 am -
2 stops11h 40m
Sun 11/157:15 pm -
1 stop7h 20m
Deal found 10/12![Southwest logo]()
$238
This American Airlines deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1511:34 pm -
1 stop9h 19m
Wed 11/188:00 am -
1 stop7h 51m
Deal found 10/10![American Airlines logo]()
$222
One-way flights from Seattle to MissouriSearch for one-way flight options from Seattle to Missouri. Find affordable one-way fares based on user searches. Data last updated October 14, 2026.
Search for one-way flight options from Seattle to Missouri. Find affordable one-way fares based on user searches. Data last updated October 14, 2026.
This Super.com deal was found by Cheapflights users on 10/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/184:27 pm -
1 stop16h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Frontier logo]()
$93
This Super.com deal was found by Cheapflights users on 10/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/134:27 pm -
1 stop24h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Frontier logo]()
$98
This Alaska Airlines deal was found by Cheapflights users on 10/11. 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 1/139:05 am -
Nonstop3h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Alaska Airlines logo]()
$99
This Cheapflightsfares deal was found by Cheapflights users on 10/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/44:58 pm -
1 stop15h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 10/10. 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.
Wed 12/94:58 pm -
1 stop24h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Frontier logo]()
$101
This Delta deal was found by Cheapflights users on 10/13. 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.
Tue 1/121:30 pm -
1 stop6h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Delta logo]()
$103
This Alaska Airlines deal was found by Cheapflights users on 10/12. 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.
Thu 11/126:07 pm -
Nonstop3h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Alaska Airlines logo]()
$104
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 10/12. 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.
Sat 11/1411:15 pm -
1 stop8h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Delta logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/114:58 pm -
1 stop15h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Frontier logo]()
$112
This Delta deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/113:55 pm -
1 stop5h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Delta logo]()
$114
This Delta deal was found by Cheapflights users on 10/12. 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.
Mon 11/911:15 pm -
1 stop8h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Delta logo]()
$116
Find flight deals from Seattle to Missouri
Keep the following information in mind while searching for Seattle to Missouri flight deals. Data was last updated October 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $222 (American Airlines) |
One-way from | $93 (Super.com) |
Popular in | December |
Cheapest in | January |
Average price | $477 |
Good round-trip deal | $412 or less |
Good one-way deal | $228 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle 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 14, 2026.
Use the filters below to find and compare flights from Seattle 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
Wed 1/13
9:05 am-2:56 pm
Nonstop3h 51m
Lambert-St Louis
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$99
SeattleSt. Louis
SEA Seattle/Tacoma Intl - STL Lambert-St Louis
SEASTL
Seattle/Tacoma Intl
Wed 1/13
11:05 pm-9:36 am
1 stop8h 31m
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
Sun 11/22
10:56 pm-10:32 am
1 stop9h 36m
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
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
Mon 10/19
8:40 pm-11:40 am
1 stop13h 00m
Lambert-St Louis
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$121
SeattleSt. Louis
SEA Seattle/Tacoma Intl - STL Lambert-St Louis
SEASTL
Seattle/Tacoma Intl
Fri 12/4
6:06 pm-11:59 pm
Nonstop3h 53m
Lambert-St Louis
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$139
SeattleSt. Louis
SEA Seattle/Tacoma Intl - STL Lambert-St Louis
SEASTL
Seattle/Tacoma Intl
Tue 12/15
10:50 am-4:40 pm
Nonstop3h 50m
Lambert-St Louis
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$139
SeattleSt. Louis
SEA Seattle/Tacoma Intl - STL Lambert-St Louis
SEASTL
Seattle/Tacoma Intl
Mon 12/14
10:00 am-8:40 pm
1 stop8h 40m
Lambert-St Louis
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$164
SeattleSt. Louis
SEA Seattle/Tacoma Intl - STL Lambert-St Louis
SEASTL
Seattle/Tacoma Intl
Tue 1/26
10:21 am-11:20 pm
2 stops10h 59m
Lambert-St Louis
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$179
SeattleSt. Louis
SEA Seattle/Tacoma Intl - STL Lambert-St Louis
SEASTL
Seattle/Tacoma Intl
Wed 12/9
8:43 am-10:59 pm
2 stops12h 16m
Lambert-St Louis
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$179
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Seattle to Missouri
Have a flexible travel schedule? Discover the best time to fly to Missouri from Seattle with our price prediction graph.
SEA-STL
SEA-SGF
SEA-MCI
SEA-CGI
SEA-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 Seattle to Missouri
SEA-USMO
SEA-STL
SEA-SGF
SEA-MCI
SEA-CGI
What is the cheapest month to book a flight from Seattle to Missouri?
Currently, January is the cheapest month in which you can book a flight from Seattle to Missouri (average of $278). Flying from Seattle to Missouri in July is currently the most expensive (average of $533). 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 SEA to MO?
Find hourly flight availability from Seattle 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 14, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Missouri as you normally would.
Weekly flight availability from Seattle to Missouri
Explore weekly flight availability from Seattle 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 14, 2026.
The most flights from SEA to USMO are scheduled on a Tuesday (8 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).
How much does it cost to fly round-trip from Seattle to Missouri?
Airfare is below average for this route at the moment.
Seattle to Missouri flights typically cost between $327 and $539 in November.The cheapest round-trip price found within the last 5 days was $222 on American Airlines (Nov 15-Nov 18).
How far ahead should I book a flight from Seattle to Missouri?
Booking 76 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Missouri. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 14, 2026.
See what other customers who have flown with Alaska Airlines,Southwest, andDelta from Seattle to Missouri have to say. 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
7.0
Crew
8.5
Comfort
7.8
Overall
7.9
Food
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Entertainment
7.0
Crew
8.5
Comfort
7.8
Overall
7.9
Food
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Entertainment
7.0
Crew
8.5
Comfort
7.8
Overall
7.9
Food
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Entertainment
7.0
Crew
8.5
Comfort
7.8
Overall
7.9
Food
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Entertainment
7.0
Crew
8.5
Comfort
7.8
Overall
7.9
Food
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Entertainment
7.0
Crew
8.5
Comfort
7.8
Overall
7.9
Food
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Related info for your journey
Find useful and relevant information for your journey from Seattle 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 Seattle to Missouri
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Complete your trip
Complete your trip to Missouri by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Missouri by cabin class
Find flights from Seattle to Missouri, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Missouri flights
Browse other Seattle and Missouri flight options. Last updated on October 14, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Seattle to Missouri flights
Consider these flights traveling from Seattle to Missouri.
Top 6 airlines flying from Seattle to Missouri
Discover the top 6 airlines that operate flights from Seattle 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 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$113 | Average$360 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$133 | Average$326 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$178 | Average$434 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$196 | Average$498 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$207 | Average$502 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$248 | Average$431 | FlexibilityNo cancel fee | On-time69% |