$90+ Cheap flights from Seattle (SEA) to Missouri
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MCI
Jul 12 — Jul 191
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Missouri with Cheapflights
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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 June 12, 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 June 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:13 pm
SEA
- SGF
1 stop21h 33m
Multiple Airlines
Mon 8/249:36 pm
SGF
- SEA
1 stop14h 59m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$303
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Sat 9/2610:59 am
SEA
- SGF
1 stop9h 33m
American Airlines
Sat 10/33:41 pm
SGF
- SEA
1 stop7h 55m
American Airlines
Deal found 6/10![American Airlines logo]()
$349
This Travelocity deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:03 pm
SEA
- STL
Nonstop3h 56m
Multiple Airlines
Thu 9/108:10 pm
STL
- SEA
1 stop6h 17m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$368
This Booking.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/308:12 pm
SEA
- STL
1 stop20h 39m
Multiple Airlines
Fri 7/37:56 pm
STL
- SEA
Nonstop4h 28m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$369
This Gotogate deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/296:27 pm
SEA
- MCI
Nonstop3h 32m
Multiple Airlines
Tue 7/71:45 pm
MCI
- SEA
1 stop21h 32m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$372
This Booking.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/88:13 pm
SEA
- MCI
1 stop17h 34m
Multiple Airlines
Wed 7/157:58 pm
MCI
- SEA
Nonstop4h 00m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$374
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 9/1111:00 pm
SEA
- STL
1 stop9h 12m
United Airlines
Wed 9/1612:59 pm
STL
- SEA
1 stop8h 16m
United Airlines
Deal found 6/11![United Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/107:06 pm
SEA
- STL
2 stops11h 51m
Frontier
Wed 7/297:03 pm
STL
- SEA
1 stop17h 36m
Frontier
Deal found 6/11![Frontier logo]()
$375
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/27:41 pm
SEA
- MCI
2 stops19h 40m
Frontier
Tue 7/74:58 pm
MCI
- SEA
1 stop18h 19m
Frontier
Deal found 6/7![Frontier logo]()
$376
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/69:45 am
SEA
- STL
2 stops11h 20m
Southwest
Sun 8/96:40 pm
STL
- SEA
1 stop8h 10m
Southwest
Deal found 6/9![Southwest logo]()
$376
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Fri 7/248:53 pm
SEA
- MCI
2 stops14h 07m
Frontier
Mon 7/274:32 pm
MCI
- SEA
1 stop20h 07m
Frontier
Deal found 6/10![Frontier logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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.
Tue 6/301:06 pm
SEA
- STL
Nonstop3h 51m
Alaska Airlines
Mon 7/67:56 pm
STL
- SEA
Nonstop4h 28m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$377
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 June 12, 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 June 12, 2026.
This American Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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.
Sat 9/2610:59 am
SEA
- SGF
1 stop9h 33m
American Airlines
Sat 10/37:03 am
SGF
- SEA
1 stop9h 49m
American Airlines
Deal found 6/7![American Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:13 pm
SEA
- SGF
1 stop21h 33m
Multiple Airlines
Mon 8/249:36 pm
SGF
- SEA
2 stops23h 22m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$370
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:55 pm
SEA
- STL
2 stops9h 40m
Southwest
Tue 8/258:25 am
STL
- SEA
2 stops10h 25m
Southwest
Deal found 6/8![Southwest logo]()
$382
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:40 am
SEA
- STL
2 stops11h 20m
United Airlines
Sun 8/305:10 am
STL
- SEA
1 stop6h 51m
United Airlines
Deal found 6/8![United Airlines logo]()
$384
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 8/137:48 am
SEA
- MCI
Nonstop3h 33m
Alaska Airlines
Mon 8/172:17 pm
MCI
- SEA
Nonstop4h 00m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$387
This Delta deal was found by Cheapflights users on 6/11. 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.
Sun 9/67:16 am
SEA
- MCI
1 stop9h 56m
Delta
Sun 9/137:00 am
MCI
- SEA
1 stop9h 43m
Delta
Deal found 6/11![Delta logo]()
$407
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:27 pm
SEA
- MCI
Nonstop3h 32m
Alaska Airlines
Sat 7/46:02 am
MCI
- SEA
Nonstop4h 03m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$387
This Southwest deal was found by Cheapflights users on 6/10. 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 9/1111:05 pm
SEA
- STL
1 stop6h 40m
Southwest
Mon 9/218:25 am
STL
- SEA
Nonstop4h 20m
Southwest
Deal found 6/10![Southwest logo]()
$389
This United Airlines deal was found by Cheapflights users on 6/11. 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 8/411:11 pm
SEA
- COU
1 stop9h 02m
United Airlines
Wed 8/1210:55 am
COU
- SEA
1 stop10h 12m
United Airlines
Deal found 6/11![United Airlines logo]()
$418
This Alaska Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/68:35 am
SEA
- MCI
Nonstop3h 42m
Alaska Airlines
Tue 10/276:12 pm
MCI
- SEA
1 stop6h 13m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 6/11. 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.
Mon 9/285:30 pm
SEA
- MCI
Nonstop3h 36m
Delta
Thu 10/17:15 am
MCI
- SEA
Nonstop3h 55m
Delta
Deal found 6/11![Delta logo]()
$447
This Southwest deal was found by Cheapflights users on 6/11. 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 8/79:45 am
SEA
- STL
2 stops11h 20m
Southwest
Mon 8/101:45 pm
STL
- SEA
2 stops9h 30m
Southwest
Deal found 6/11![Southwest logo]()
$409
This United Airlines deal was found by Cheapflights users on 6/11. 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 8/183:54 pm
SEA
- SGF
1 stop5h 48m
United Airlines
Sat 8/223:05 pm
SGF
- SEA
1 stop8h 31m
United Airlines
Deal found 6/11![United Airlines logo]()
$420
This Alaska Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:35 pm
SEA
- STL
Nonstop4h 03m
Alaska Airlines
Thu 10/13:19 pm
STL
- SEA
Nonstop4h 23m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 6/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/245:30 pm
SEA
- MCI
Nonstop3h 36m
Delta
Tue 6/307:00 am
MCI
- SEA
Nonstop4h 06m
Delta
Deal found 6/9![Delta logo]()
$452
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:45 am
SEA
- MCI
2 stops9h 40m
Southwest
Mon 7/135:25 pm
MCI
- SEA
1 stop9h 30m
Southwest
Deal found 6/8![Southwest logo]()
$412
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/307:00 am
SEA
- STL
1 stop8h 42m
United Airlines
Sat 7/41:18 pm
STL
- SEA
2 stops13h 55m
United Airlines
Deal found 6/12![United Airlines logo]()
$434
This Alaska Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:35 pm
SEA
- STL
Nonstop4h 03m
Alaska Airlines
Thu 9/176:29 am
STL
- SEA
Nonstop4h 27m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$397
This Southwest deal was found by Cheapflights users on 6/11. 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.
Tue 7/77:30 am
SEA
- STL
2 stops9h 10m
Southwest
Tue 7/144:00 pm
STL
- SEA
2 stops9h 15m
Southwest
Deal found 6/11![Southwest logo]()
$417
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/272:15 pm
SEA
- COU
1 stop8h 18m
United Airlines
Sat 10/315:00 am
COU
- SEA
1 stop8h 40m
United Airlines
Deal found 6/9![United Airlines logo]()
$438
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2812:00 pm
SEA
- STL
2 stops9h 35m
Southwest
Fri 7/317:45 pm
STL
- SEA
1 stop7h 10m
Southwest
Deal found 6/9![Southwest logo]()
$422
This Alaska Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/96:27 pm
SEA
- MCI
Nonstop3h 32m
Alaska Airlines
Thu 7/167:58 pm
MCI
- SEA
Nonstop4h 00m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$442
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/278:30 am
SEA
- JLN
1 stop6h 41m
United Airlines
Sat 10/316:02 pm
JLN
- SEA
1 stop6h 57m
United Airlines
Deal found 6/9![United Airlines logo]()
$444
This Booking.com deal was found by Cheapflights users on 6/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2412:17 am
SEA
- UIN
1 stop11h 23m
Multiple Airlines
Mon 6/299:55 am
UIN
- SEA
1 stop14h 54m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$693
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3010:45 pm
SEA
- MCI
1 stop9h 10m
Southwest
Mon 8/32:55 pm
MCI
- SEA
2 stops8h 35m
Southwest
Deal found 6/9![Southwest logo]()
$432
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2611:00 pm
SEA
- COU
1 stop9h 16m
United Airlines
Sat 8/296:15 am
COU
- SEA
2 stops11h 59m
United Airlines
Deal found 6/11![United Airlines logo]()
$444
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 8/3111:00 pm
SEA
- COU
1 stop9h 16m
United Airlines
Wed 9/911:20 am
COU
- SEA
2 stops14h 06m
United Airlines
Deal found 6/11![United Airlines logo]()
$444
This Southwest deal was found by Cheapflights users on 6/9. 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.
Sun 8/167:10 am
SEA
- MCI
2 stops10h 10m
Southwest
Sun 8/236:25 am
MCI
- SEA
1 stop7h 40m
Southwest
Deal found 6/9![Southwest logo]()
$451
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/243:40 pm
SEA
- JLN
1 stop6h 04m
United Airlines
Sun 6/281:57 pm
JLN
- SEA
1 stop9h 13m
United Airlines
Deal found 6/9![United Airlines logo]()
$448
This Southwest deal was found by Cheapflights users on 6/11. 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 7/107:35 am
SEA
- MCI
1 stop7h 25m
Southwest
Fri 7/172:55 pm
MCI
- SEA
2 stops8h 35m
Southwest
Deal found 6/11![Southwest logo]()
$452
Last-minute flights from Seattle to MissouriDiscover last-minute flight deals from Seattle to Missouri. Data last updated June 12, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Missouri. Data last updated June 12, 2026 and is based on user searches.
This Travelocity deal was found by Cheapflights users on 6/11. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/246:04 pm
SEA
- STL
Nonstop3h 55m
Alaska Airlines
Mon 6/297:56 pm
STL
- SEA
Nonstop4h 28m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$374
This Gotogate deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/296:27 pm
SEA
- MCI
Nonstop3h 32m
Multiple Airlines
Tue 7/71:45 pm
MCI
- SEA
1 stop21h 32m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$372
This Booking.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/308:12 pm
SEA
- STL
1 stop20h 39m
Multiple Airlines
Fri 7/37:56 pm
STL
- SEA
Nonstop4h 28m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$369
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
Tue 6/301:06 pm
SEA
- STL
Nonstop3h 51m
Alaska Airlines
Mon 7/67:56 pm
STL
- SEA
Nonstop4h 28m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/27:41 pm
SEA
- MCI
2 stops19h 40m
Frontier
Tue 7/74:58 pm
MCI
- SEA
1 stop18h 19m
Frontier
Deal found 6/7![Frontier logo]()
$376
This Booking.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/88:13 pm
SEA
- MCI
1 stop17h 34m
Multiple Airlines
Wed 7/157:58 pm
MCI
- SEA
Nonstop4h 00m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$374
This Booking.com deal was found by Cheapflights users on 6/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/97:06 pm
SEA
- STL
1 stop22h 17m
Multiple Airlines
Sun 7/127:56 pm
STL
- SEA
Nonstop4h 28m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/107:06 pm
SEA
- STL
2 stops11h 51m
Frontier
Wed 7/297:03 pm
STL
- SEA
1 stop17h 36m
Frontier
Deal found 6/11![Frontier logo]()
$375
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/163:28 pm
SEA
- STL
1 stop6h 48m
American Airlines
Sun 7/197:55 pm
STL
- SEA
1 stop6h 57m
American Airlines
Deal found 6/11![American Airlines logo]()
$379
This Southwest deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/227:30 am
SEA
- MCI
2 stops11h 10m
Southwest
Wed 7/298:00 pm
MCI
- SEA
1 stop6h 45m
Southwest
Deal found 6/12![Southwest logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Thu 7/237:06 pm
SEA
- MCI
2 stops20h 04m
Frontier
Tue 7/281:45 pm
MCI
- SEA
1 stop21h 32m
Frontier
Deal found 6/10![Frontier logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Fri 7/248:53 pm
SEA
- MCI
2 stops14h 07m
Frontier
Mon 7/274:32 pm
MCI
- SEA
1 stop20h 07m
Frontier
Deal found 6/10![Frontier logo]()
$377
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 June 12, 2026.
Search for one-way flight options from Seattle to Missouri. Find affordable one-way fares based on user searches. Data last updated June 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:41 pm
SEA
- MCI
1 stop15h 19m
Frontier
Deal found 6/9![Frontier logo]()
$90
This Trip.com deal was found by Cheapflights users on 6/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:41 pm
SEA
- MCI
1 stop15h 19m
Frontier
Deal found 6/11![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:06 pm
SEA
- MCI
1 stop15h 54m
Frontier
Deal found 6/8![Frontier logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:41 pm
SEA
- MCI
1 stop15h 19m
Frontier
Deal found 6/9![Frontier logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/147:00 am
SEA
- MCI
1 stop28h 22m
Frontier
Deal found 6/11![Frontier logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:00 am
SEA
- MCI
1 stop28h 22m
Frontier
Deal found 6/9![Frontier logo]()
$117
This Trip.com deal was found by Cheapflights users on 6/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:00 am
SEA
- MCI
1 stop28h 22m
Frontier
Deal found 6/9![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:13 pm
SEA
- MCI
1 stop14h 42m
Frontier
Deal found 6/11![Frontier logo]()
$124
This Trip.com deal was found by Cheapflights users on 6/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/238:13 pm
SEA
- MCI
1 stop14h 42m
Frontier
Deal found 6/11![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Fri 8/77:06 pm
SEA
- MCI
1 stop15h 54m
Frontier
Deal found 6/10![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Mon 8/317:41 pm
SEA
- MCI
1 stop15h 19m
Frontier
Deal found 6/10![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:00 am
SEA
- STL
2 stops32h 44m
Frontier
Deal found 6/11![Frontier logo]()
$147
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 June 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $303 (Kiwi.com) |
One-way from | $90 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $428 |
Good round-trip deal | $387 or less |
Good one-way deal | $223 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 2,558,603 searches. Data last updated June 12, 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
SeattleSpringfield
SEA - SGF
SEASGF
Seattle/Tacoma Intl
Sat 9/26
10:59 am-10:32 pm
1 stop9h 33m
Springfield-Branson
Sat 10/3
7:03 am-2:52 pm
1 stop9h 49m
$359
SeattleSpringfield
SEA - SGF
SEASGF
Seattle/Tacoma Intl
Thu 8/20
8:13 pm-7:46 pm
1 stop21h 33m
Springfield-Branson
Mon 8/24
9:36 pm-6:58 pm
2 stops23h 22m
$370
SeattleSt. Louis
SEA - STL
SEASTL
Seattle/Tacoma Intl
Thu 8/20
12:55 pm-12:35 am
2 stops9h 40m
Lambert-St Louis
Tue 8/25
8:25 am-4:50 pm
2 stops10h 25m
$382
SeattleSt. Louis
SEA - STL
SEASTL
Seattle/Tacoma Intl
Tue 8/25
8:40 am-10:00 pm
2 stops11h 20m
Lambert-St Louis
Sun 8/30
5:10 am-10:01 am
1 stop6h 51m
$384
SeattleKansas City
SEA - MCI
SEAMCI
Seattle/Tacoma Intl
Thu 8/13
7:48 am-1:21 pm
Nonstop3h 33m
Kansas City
Mon 8/17
2:17 pm-4:17 pm
Nonstop4h 00m
$387
SeattleKansas City
SEA - MCI
SEAMCI
Seattle/Tacoma Intl
Fri 7/3
6:27 pm-11:59 pm
Nonstop3h 32m
Kansas City
Sat 7/4
6:02 am-8:05 am
Nonstop4h 03m
$387
SeattleSt. Louis
SEA - STL
SEASTL
Seattle/Tacoma Intl
Fri 9/11
11:05 pm-7:45 am
1 stop6h 40m
Lambert-St Louis
Mon 9/21
8:25 am-10:45 am
Nonstop4h 20m
$389
SeattleKansas City
SEA - MCI
SEAMCI
Seattle/Tacoma Intl
Tue 10/6
8:35 am-2:17 pm
Nonstop3h 42m
Kansas City
Tue 10/27
6:12 pm-10:25 pm
1 stop6h 13m
$397
SeattleSt. Louis
SEA - STL
SEASTL
Seattle/Tacoma Intl
Wed 9/30
12:35 pm-6:38 pm
Nonstop4h 03m
Lambert-St Louis
Thu 10/1
3:19 pm-5:42 pm
Nonstop4h 23m
$397
SeattleSt. Louis
SEA - STL
SEASTL
Seattle/Tacoma Intl
Wed 9/16
12:35 pm-6:38 pm
Nonstop4h 03m
Lambert-St Louis
Thu 9/17
6:29 am-8:56 am
Nonstop4h 27m
$397
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-SGF
SEA-STL
SEA-MCI
SEA-COU
SEA-JLN
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-SGF
SEA-STL
SEA-MCI
SEA-COU
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 $88). Flying from Seattle to Missouri in December is currently the most expensive (average of $176). 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 June 12, 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 June 12, 2026.
The most flights from SEA to USMO are scheduled on a Friday (16 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (9 on average).
How much does it cost to fly round-trip from Seattle to Missouri?
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 June 12, 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.
Comfort
7.8
Boarding
8.1
Food
7.0
Overall
7.9
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Boarding
8.1
Food
7.0
Overall
7.9
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Boarding
8.1
Food
7.0
Overall
7.9
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Boarding
8.1
Food
7.0
Overall
7.9
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Boarding
8.1
Food
7.0
Overall
7.9
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Boarding
8.1
Food
7.0
Overall
7.9
Crew
8.5
Entertainment
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 June 12, 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 7 airlines flying from Seattle to Missouri
Discover the top 7 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 2,558,603 searches. Data last updated June 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$94 | Average$320 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$135 | Average$255 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$148 | Average$371 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$157 | Average$431 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$178 | Average$404 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$188 | Average$508 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$199 | Average$433 | FlexibilityNo cancel fee | On-time75% |