$86+ 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — STL
Oct 20 — Oct 271
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 September 20, 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 September 20, 2026.
This Delta deal was found by Cheapflights users on 9/15. 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.
Fri 10/95:55 pm -
Nonstop3h 36m
Mon 10/127:00 am -
Nonstop4h 04m
Deal found 9/15![Delta logo]()
$177
This Delta deal was found by Cheapflights users on 9/15. 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 10/87:15 am -
1 stop10h 04m
Mon 10/127:00 am -
Nonstop4h 04m
Deal found 9/15![Delta logo]()
$187
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/24:58 pm -
1 stop24h 35m
Tue 12/88:32 pm -
1 stop21h 11m
Deal found 9/17![Frontier logo]()
$189
This Southwest deal was found by Cheapflights users on 9/15. 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 11/25:30 am -
1 stop6h 00m
Thu 11/58:40 pm -
1 stop6h 40m
Deal found 9/15![Southwest logo]()
$192
This Southwest deal was found by Cheapflights users on 9/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:10 am -
1 stop7h 20m
Thu 11/58:40 pm -
1 stop6h 40m
Deal found 9/16![Southwest logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:27 pm -
1 stop25h 21m
Tue 10/278:43 pm -
1 stop20h 29m
Deal found 9/17![Frontier logo]()
$201
This Cheapflightsfares deal was found by Cheapflights users on 9/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:27 pm -
1 stop25h 20m
Tue 11/38:43 pm -
1 stop20h 29m
Deal found 9/18![Frontier logo]()
$203
This Cheapflightsfares deal was found by Cheapflights users on 9/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:27 pm -
1 stop25h 20m
Thu 11/58:43 pm -
1 stop20h 29m
Deal found 9/18![Frontier logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/184:27 pm -
1 stop25h 20m
Tue 12/18:29 pm -
1 stop21h 11m
Deal found 9/18![Frontier logo]()
$217
This Delta deal was found by Cheapflights users on 9/15. 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.
Wed 11/111:50 pm -
1 stop7h 28m
Sat 11/145:00 pm -
1 stop7h 44m
Deal found 9/15![Delta logo]()
$217
This Southwest deal was found by Cheapflights users on 9/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/273:30 pm -
1 stop5h 45m
Wed 11/45:30 am -
2 stops9h 30m
Deal found 9/16![Southwest logo]()
$222
This Southwest deal was found by Cheapflights users on 9/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/211:20 am -
2 stops11h 30m
Sat 11/75:50 am -
1 stop7h 00m
Deal found 9/17![Southwest logo]()
$223
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 September 20, 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 September 20, 2026.
This Delta deal was found by Cheapflights users on 9/15. 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.
Fri 10/305:55 pm -
Nonstop3h 36m
Mon 11/27:00 am -
Nonstop4h 04m
Deal found 9/15![Delta logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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.
Mon 11/236:32 pm -
Nonstop3h 27m
Fri 11/276:00 am -
Nonstop4h 18m
Deal found 9/17![Alaska Airlines logo]()
$277
This Southwest deal was found by Cheapflights users on 9/19. 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.
Mon 11/911:20 am -
2 stops11h 35m
Fri 11/136:30 pm -
1 stop6h 35m
Deal found 9/19![Southwest logo]()
$317
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Fri 10/2311:14 pm -
2 stops14h 29m
Mon 10/267:05 pm -
1 stop7h 54m
Deal found 9/16![United Airlines logo]()
$332
This Delta deal was found by Cheapflights users on 9/15. 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.
Fri 10/92:30 pm -
1 stop7h 16m
Mon 10/127:00 am -
Nonstop4h 04m
Deal found 9/15![Delta logo]()
$187
This Delta deal was found by Cheapflights users on 9/15. 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.
Wed 10/286:00 am -
1 stop8h 54m
Tue 11/311:30 am -
1 stop7h 15m
Deal found 9/15![Delta logo]()
$197
This American Airlines deal was found by Cheapflights users on 9/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2312:38 pm -
1 stop7h 05m
Sat 11/286:28 pm -
1 stop8h 21m
Deal found 9/18![American Airlines logo]()
$588
This Alaska Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:27 pm -
Nonstop3h 32m
Sun 10/186:17 am -
Nonstop4h 03m
Deal found 9/15![Alaska Airlines logo]()
$302
This Delta deal was found by Cheapflights users on 9/19. 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.
Thu 10/225:30 am -
1 stop6h 02m
Mon 10/262:38 pm -
1 stop9h 27m
Deal found 9/19![Delta logo]()
$253
This Southwest deal was found by Cheapflights users on 9/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:25 pm -
2 stops15h 25m
Wed 11/1812:40 pm -
2 stops11h 40m
Deal found 9/16![Southwest logo]()
$334
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:11 am -
1 stop9h 32m
Wed 10/215:10 am -
2 stops9h 13m
Deal found 9/15![United Airlines logo]()
$368
This Delta deal was found by Cheapflights users on 9/15. 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 11/55:55 pm -
Nonstop3h 36m
Sun 11/87:00 am -
Nonstop4h 04m
Deal found 9/15![Delta logo]()
$277
This Southwest deal was found by Cheapflights users on 9/15. 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 11/211:20 am -
2 stops11h 30m
Fri 11/64:00 pm -
2 stops11h 00m
Deal found 9/15![Southwest logo]()
$342
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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.
Thu 11/56:30 pm -
Nonstop3h 29m
Mon 11/97:00 am -
Nonstop4h 09m
Deal found 9/17![Alaska Airlines logo]()
$352
This Southwest deal was found by Cheapflights users on 9/17. 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 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
Fri 11/207:20 pm -
1 stop7h 25m
Deal found 9/17![Southwest logo]()
$347
This Delta deal was found by Cheapflights users on 9/17. 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 10/287:15 am -
1 stop7h 52m
Thu 11/57:00 am -
Nonstop4h 04m
Deal found 9/17![Delta logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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.
Wed 11/188:33 am -
1 stop7h 43m
Wed 12/210:21 am -
2 stops12h 35m
Deal found 9/17![Alaska Airlines logo]()
$354
This United Airlines deal was found by Cheapflights users on 9/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:00 am -
1 stop6h 43m
Wed 11/189:40 am -
2 stops13h 16m
Deal found 9/17![United Airlines logo]()
$392
This Southwest deal was found by Cheapflights users on 9/19. 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.
Thu 10/2211:35 am -
2 stops8h 10m
Mon 10/266:10 pm -
1 stop8h 30m
Deal found 9/19![Southwest logo]()
$352
This Delta deal was found by Cheapflights users on 9/17. 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.
Tue 10/205:30 am -
1 stop6h 35m
Sun 10/257:16 am -
1 stop9h 34m
Deal found 9/17![Delta logo]()
$297
This United Airlines deal was found by Cheapflights users on 9/18. 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.
Sun 10/45:00 am -
1 stop5h 56m
Fri 10/239:00 am -
1 stop7h 53m
Deal found 9/18![United Airlines logo]()
$414
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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.
Thu 10/296:03 pm -
Nonstop3h 56m
Sun 11/86:00 am -
Nonstop4h 36m
Deal found 9/17![Alaska Airlines logo]()
$385
This Southwest deal was found by Cheapflights users on 9/15. 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 11/165:15 am -
2 stops13h 55m
Thu 11/194:40 pm -
1 stop8h 55m
Deal found 9/15![Southwest logo]()
$353
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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.
Wed 10/288:40 am -
1 stop6h 38m
Tue 11/311:03 am -
2 stops12h 26m
Deal found 9/16![Alaska Airlines logo]()
$402
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:12 am -
1 stop9h 42m
Sun 10/186:24 pm -
1 stop8h 12m
Deal found 9/15![American Airlines logo]()
$614
This Southwest deal was found by Cheapflights users on 9/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1310:45 am -
2 stops8h 35m
Mon 11/1610:25 am -
2 stops13h 15m
Deal found 9/16![Southwest logo]()
$388
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:25 pm -
2 stops13h 14m
Tue 10/2011:15 am -
2 stops12h 00m
Deal found 9/15![United Airlines logo]()
$479
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:05 am -
1 stop7h 04m
Wed 11/44:56 pm -
1 stop7h 55m
Deal found 9/15![United Airlines logo]()
$479
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3011:57 pm -
1 stop7h 59m
Sun 10/46:26 pm -
1 stop7h 41m
Deal found 9/15![American Airlines logo]()
$649
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 10/307:35 pm -
2 stops13h 01m
Mon 11/22:55 pm -
1 stop9h 56m
Deal found 9/20![United Airlines logo]()
$504
Last-minute flights from Seattle to MissouriDiscover last-minute flight deals from Seattle to Missouri. Data last updated September 20, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Missouri. Data last updated September 20, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/15. 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 10/87:15 am -
1 stop10h 04m
Sun 10/117:00 am -
Nonstop4h 04m
Deal found 9/15![Delta logo]()
$187
This Delta deal was found by Cheapflights users on 9/15. 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.
Fri 10/95:55 pm -
Nonstop3h 36m
Mon 10/127:00 am -
Nonstop4h 04m
Deal found 9/15![Delta logo]()
$177
This Delta deal was found by Cheapflights users on 9/15. 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 10/105:55 pm -
Nonstop3h 36m
Mon 10/1212:35 pm -
1 stop8h 29m
Deal found 9/15![Delta logo]()
$237
This Priceline deal was found by Cheapflights users on 9/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:27 pm -
Nonstop3h 32m
Wed 10/213:17 pm -
Nonstop4h 03m
Deal found 9/15![Alaska Airlines logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:27 pm -
1 stop25h 21m
Tue 10/278:43 pm -
1 stop20h 29m
Deal found 9/17![Frontier logo]()
$201
This American Airlines deal was found by Cheapflights users on 9/19. 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.
Thu 10/223:14 pm -
1 stop7h 05m
Sun 10/255:40 am -
1 stop7h 34m
Deal found 9/19![American Airlines logo]()
$228
This Southwest deal was found by Cheapflights users on 9/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:15 pm -
1 stop5h 35m
Mon 10/265:10 am -
1 stop6h 40m
Deal found 9/16![Southwest logo]()
$227
This Southwest deal was found by Cheapflights users on 9/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:10 am -
1 stop7h 20m
Thu 11/58:40 pm -
1 stop6h 40m
Deal found 9/16![Southwest logo]()
$197
This Southwest deal was found by Cheapflights users on 9/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/273:30 pm -
1 stop5h 45m
Wed 11/45:30 am -
2 stops9h 30m
Deal found 9/16![Southwest logo]()
$222
This Cheapflightsfares deal was found by Cheapflights users on 9/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:27 pm -
1 stop25h 20m
Tue 11/38:43 pm -
1 stop20h 29m
Deal found 9/18![Frontier logo]()
$203
This Cheapflightsfares deal was found by Cheapflights users on 9/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:27 pm -
1 stop25h 20m
Thu 11/58:43 pm -
1 stop20h 29m
Deal found 9/18![Frontier logo]()
$210
This Cheapflightsfares deal was found by Cheapflights users on 9/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/304:27 pm -
1 stop25h 20m
Tue 11/38:43 pm -
1 stop20h 29m
Deal found 9/18![Frontier logo]()
$238
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 September 20, 2026.
Search for one-way flight options from Seattle to Missouri. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
This Super.com deal was found by Cheapflights users on 9/19. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/24:58 pm -
1 stop24h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$86
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:27 pm -
1 stop25h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$87
This CheapOair deal was found by Cheapflights users on 9/18. 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 CheapOair 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 9/18![Frontier logo]()
$88
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/214:27 pm -
1 stop25h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$89
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:27 pm -
1 stop25h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$94
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 10/2911:59 pm -
1 stop6h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![American Airlines logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/268:00 pm -
2 stops21h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$101
This Southwest deal was found by Cheapflights users on 9/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:40 pm -
1 stop12h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Southwest logo]()
$104
This Southwest deal was found by Cheapflights users on 9/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1211:45 am -
1 stop6h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Southwest logo]()
$104
This Delta deal was found by Cheapflights users on 9/16. 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.
Tue 11/1711:47 pm -
1 stop7h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Delta logo]()
$109
This Southwest deal was found by Cheapflights users on 9/15. 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.
Wed 11/44:40 pm -
2 stops15h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Southwest logo]()
$110
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Mon 11/23:10 pm -
1 stop6h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![American Airlines logo]()
$113
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 September 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $177 (Delta) |
One-way from | $86 (Super.com) |
Popular in | December |
Cheapest in | January |
Average price | $427 |
Good round-trip deal | $331 or less |
Good one-way deal | $218 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 September 20, 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
Sat 12/12
6:00 am-2:44 pm
1 stop6h 44m
Lambert-St Louis
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$109
SeattleKansas City
SEA Seattle/Tacoma Intl - MCI Kansas City
SEAMCI
Seattle/Tacoma Intl
Wed 11/4
4:40 pm-9:45 am
2 stops15h 05m
Kansas City
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$110
SeattleSt. Louis
SEA Seattle/Tacoma Intl - STL Lambert-St Louis
SEASTL
Seattle/Tacoma Intl
Sun 11/15
7:00 am-3:43 pm
1 stop6h 43m
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
Mon 11/16
11:47 pm-9:20 am
1 stop7h 33m
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
Mon 10/19
11:10 pm-9:49 am
1 stop8h 39m
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
Thu 12/10
6:00 am-4:30 pm
1 stop8h 30m
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
Tue 10/27
6:00 am-6:05 pm
2 stops10h 05m
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 12/14
11:15 pm-9:23 am
1 stop8h 08m
Lambert-St Louis
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$140
SeattleKansas City
SEA Seattle/Tacoma Intl - MCI Kansas City
SEAMCI
Seattle/Tacoma Intl
Thu 11/26
4:39 pm-10:31 am
2 stops15h 52m
Kansas City
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$149
Quickest round-trip
SeattleKansas City
SEA Seattle/Tacoma Intl - MCI Kansas City
SEAMCI
Seattle/Tacoma Intl
Sun 10/18
6:27 pm-11:59 pm
Nonstop3h 32m
Kansas City
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$169
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-MCI
SEA-STL
SEA-COU
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 Seattle to Missouri
SEA-USMO
SEA-MCI
SEA-STL
SEA-COU
SEA-SGF
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 September 20, 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.
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 $293 and $604 in November.The cheapest round-trip price found within the last 5 days was $217 on Delta (Nov 11-Nov 14).
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 September 20, 2026.
See what other customers who have flown with Southwest,Alaska Airlines, 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.
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
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
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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 September 20, 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 September 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$124 | Average$353 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$133 | Average$291 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$158 | Average$417 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$178 | Average$430 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$182 | Average$532 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$199 | Average$493 | FlexibilityNo cancel fee | On-time75% |