$85+ 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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — STL
May 28 — Jun 41
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
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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 April 28, 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 April 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1911:06 am
SEA
- MCI
2 stops28h 23m
Frontier
Tue 5/262:34 pm
MCI
- SEA
1 stop21h 32m
Frontier
Deal found 4/23![Frontier logo]()
$221
This CheapOair deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:52 pm
SEA
- MCI
1 stop16h 57m
Frontier
Wed 5/132:34 pm
MCI
- SEA
1 stop21h 15m
Frontier
Deal found 4/24![Frontier logo]()
$237
This CheapOair deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:50 pm
SEA
- MCI
1 stop15h 59m
Frontier
Wed 6/101:45 pm
MCI
- SEA
1 stop26h 33m
Frontier
Deal found 4/27![Frontier logo]()
$241
This CheapOair deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/307:41 pm
SEA
- MCI
1 stop11h 06m
Frontier
Wed 7/81:45 pm
MCI
- SEA
1 stop26h 34m
Frontier
Deal found 4/23![Frontier logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:50 pm
SEA
- MCI
1 stop15h 59m
Frontier
Mon 6/12:34 pm
MCI
- SEA
2 stops30h 01m
Frontier
Deal found 4/27![Frontier logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/247:50 pm
SEA
- MCI
1 stop15h 59m
Frontier
Tue 6/22:34 pm
MCI
- SEA
2 stops30h 01m
Frontier
Deal found 4/26![Frontier logo]()
$260
This CheapOair deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:12 pm
SEA
- MCI
1 stop16h 37m
Frontier
Wed 5/62:34 pm
MCI
- SEA
1 stop21h 15m
Frontier
Deal found 4/27![Frontier logo]()
$262
This CheapOair deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:12 pm
SEA
- MCI
1 stop16h 37m
Frontier
Sun 5/102:34 pm
MCI
- SEA
1 stop21h 15m
Frontier
Deal found 4/26![Frontier logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/257:50 pm
SEA
- MCI
1 stop15h 59m
Frontier
Sat 5/302:34 pm
MCI
- SEA
2 stops30h 31m
Frontier
Deal found 4/27![Frontier logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:50 pm
SEA
- MCI
1 stop15h 59m
Frontier
Mon 6/86:24 pm
MCI
- SEA
2 stops21h 54m
Frontier
Deal found 4/26![Frontier logo]()
$267
This Southwest deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/59:00 am
SEA
- STL
Nonstop3h 50m
Southwest
Sun 6/77:35 pm
STL
- SEA
1 stop7h 35m
Southwest
Deal found 4/23![Southwest logo]()
$287
This CheapOair deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/107:50 pm
SEA
- STL
1 stop21h 33m
Frontier
Sat 5/168:08 pm
STL
- SEA
1 stop15h 41m
Frontier
Deal found 4/27![Frontier logo]()
$291
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 April 28, 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 April 28, 2026.
This Southwest deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/249:25 pm
SEA
- STL
1 stop8h 45m
Southwest
Tue 7/281:45 pm
STL
- SEA
2 stops11h 25m
Southwest
Deal found 4/23![Southwest logo]()
$339
This American Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/412:49 am
SEA
- COU
1 stop8h 25m
American Airlines
Mon 6/86:47 pm
COU
- SEA
1 stop7h 54m
American Airlines
Deal found 4/26![American Airlines logo]()
$358
This Alaska Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:15 am
SEA
- MCI
Nonstop3h 42m
Alaska Airlines
Mon 6/17:55 pm
MCI
- SEA
Nonstop4h 04m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$377
This United Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/98:45 am
SEA
- STL
2 stops12h 00m
United Airlines
Tue 5/124:06 pm
STL
- SEA
1 stop7h 00m
United Airlines
Deal found 4/25![United Airlines logo]()
$378
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/205:30 pm
SEA
- MCI
Nonstop3h 40m
Delta
Thu 5/284:09 pm
MCI
- SEA
1 stop9h 46m
Delta
Deal found 4/26![Delta logo]()
$387
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:30 pm
SEA
- MCI
Nonstop3h 40m
Delta
Mon 6/14:09 pm
MCI
- SEA
1 stop9h 44m
Delta
Deal found 4/27![Delta logo]()
$387
This Southwest deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:50 am
SEA
- STL
2 stops9h 05m
Southwest
Sat 6/612:50 pm
STL
- SEA
2 stops9h 20m
Southwest
Deal found 4/24![Southwest logo]()
$408
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2512:35 pm
SEA
- MCI
1 stop9h 14m
Delta
Sun 6/287:00 am
MCI
- SEA
Nonstop4h 06m
Delta
Deal found 4/26![Delta logo]()
$387
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1611:53 pm
SEA
- COU
1 stop9h 04m
United Airlines
Sat 5/233:25 pm
COU
- SEA
2 stops11h 48m
United Airlines
Deal found 4/27![United Airlines logo]()
$444
This Southwest deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:30 am
SEA
- MCI
2 stops8h 40m
Southwest
Wed 6/33:40 pm
MCI
- SEA
2 stops9h 15m
Southwest
Deal found 4/24![Southwest logo]()
$417
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/195:30 pm
SEA
- MCI
Nonstop3h 40m
Delta
Tue 5/264:09 pm
MCI
- SEA
1 stop8h 46m
Delta
Deal found 4/25![Delta logo]()
$387
This Alaska Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/298:45 am
SEA
- STL
1 stop5h 52m
Alaska Airlines
Mon 6/17:41 pm
STL
- SEA
Nonstop4h 30m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$477
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/255:30 pm
SEA
- MCI
Nonstop3h 40m
Delta
Tue 6/24:09 pm
MCI
- SEA
1 stop8h 46m
Delta
Deal found 4/25![Delta logo]()
$387
This Southwest deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/115:20 pm
SEA
- STL
1 stop6h 30m
Southwest
Sun 6/146:00 am
STL
- SEA
2 stops8h 45m
Southwest
Deal found 4/27![Southwest logo]()
$428
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/308:30 am
SEA
- STL
2 stops13h 27m
United Airlines
Sat 7/47:23 pm
STL
- SEA
1 stop7h 50m
United Airlines
Deal found 4/27![United Airlines logo]()
$488
This American Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/111:24 pm
SEA
- SGF
1 stop8h 48m
American Airlines
Sun 7/57:40 pm
SGF
- SEA
1 stop7h 17m
American Airlines
Deal found 4/27![American Airlines logo]()
$559
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/182:55 pm
SEA
- MCI
1 stop6h 54m
Delta
Tue 6/2312:39 pm
MCI
- SEA
1 stop6h 21m
Delta
Deal found 4/25![Delta logo]()
$397
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/511:52 pm
SEA
- COU
1 stop8h 56m
United Airlines
Mon 6/811:23 am
COU
- SEA
2 stops12h 36m
United Airlines
Deal found 4/26![United Airlines logo]()
$489
This Southwest deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/111:05 pm
SEA
- MCI
1 stop8h 25m
Southwest
Sun 7/57:45 pm
MCI
- SEA
1 stop7h 25m
Southwest
Deal found 4/27![Southwest logo]()
$447
This Alaska Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/129:39 am
SEA
- STL
Nonstop4h 11m
Alaska Airlines
Sat 5/167:41 pm
STL
- SEA
Nonstop4h 30m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$547
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1810:05 am
SEA
- MCI
1 stop7h 07m
Delta
Sun 7/263:55 pm
MCI
- SEA
1 stop10h 08m
Delta
Deal found 4/27![Delta logo]()
$397
This Southwest deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:20 am
SEA
- MCI
2 stops13h 30m
Southwest
Mon 6/15:55 pm
MCI
- SEA
2 stops8h 45m
Southwest
Deal found 4/27![Southwest logo]()
$453
This United Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/911:53 pm
SEA
- COU
1 stop9h 04m
United Airlines
Wed 5/1311:30 am
COU
- SEA
1 stop9h 30m
United Airlines
Deal found 4/24![United Airlines logo]()
$508
This Delta deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/266:00 am
SEA
- SGF
1 stop10h 12m
Delta
Mon 6/296:00 am
SGF
- SEA
1 stop8h 20m
Delta
Deal found 4/24![Delta logo]()
$424
This United Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/127:08 am
SEA
- STL
2 stops11h 35m
United Airlines
Fri 5/152:35 pm
STL
- SEA
2 stops10h 55m
United Airlines
Deal found 4/23![United Airlines logo]()
$529
This Southwest deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/306:15 am
SEA
- STL
2 stops9h 30m
Southwest
Tue 7/71:45 pm
STL
- SEA
2 stops11h 25m
Southwest
Deal found 4/23![Southwest logo]()
$483
This Alaska Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/159:09 pm
SEA
- SGF
2 stops18h 08m
Alaska Airlines
Wed 5/209:54 am
SGF
- SEA
2 stops12h 34m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$700
This Southwest deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/109:30 am
SEA
- STL
Nonstop3h 50m
Southwest
Sun 6/1412:00 pm
STL
- SEA
Nonstop4h 15m
Southwest
Deal found 4/24![Southwest logo]()
$507
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/12:33 pm
SEA
- JLN
1 stop7h 11m
United Airlines
Sun 7/51:57 pm
JLN
- SEA
1 stop20h 03m
United Airlines
Deal found 4/27![United Airlines logo]()
$634
This Southwest deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/99:00 am
SEA
- STL
2 stops9h 25m
Southwest
Tue 5/1210:25 am
STL
- SEA
2 stops8h 30m
Southwest
Deal found 4/25![Southwest logo]()
$538
Last-minute flights from Seattle to MissouriDiscover last-minute flight deals from Seattle to Missouri. Data last updated April 28, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Missouri. Data last updated April 28, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:12 pm
SEA
- MCI
1 stop16h 37m
Frontier
Wed 5/62:34 pm
MCI
- SEA
1 stop21h 15m
Frontier
Deal found 4/27![Frontier logo]()
$262
This CheapOair deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:12 pm
SEA
- MCI
1 stop16h 37m
Frontier
Sun 5/102:34 pm
MCI
- SEA
1 stop21h 15m
Frontier
Deal found 4/26![Frontier logo]()
$263
This CheapOair deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:50 pm
SEA
- MCI
1 stop15h 59m
Frontier
Tue 5/122:34 pm
MCI
- SEA
1 stop21h 15m
Frontier
Deal found 4/24![Frontier logo]()
$270
This CheapOair deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:52 pm
SEA
- MCI
1 stop16h 57m
Frontier
Wed 5/132:34 pm
MCI
- SEA
1 stop21h 15m
Frontier
Deal found 4/24![Frontier logo]()
$237
This CheapOair deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/107:50 pm
SEA
- STL
1 stop21h 33m
Frontier
Sat 5/168:08 pm
STL
- SEA
1 stop15h 41m
Frontier
Deal found 4/27![Frontier logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1911:06 am
SEA
- MCI
2 stops28h 23m
Frontier
Tue 5/262:34 pm
MCI
- SEA
1 stop21h 32m
Frontier
Deal found 4/23![Frontier logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/213:19 pm
SEA
- MCI
1 stop20h 30m
Frontier
Tue 5/262:34 pm
MCI
- SEA
1 stop21h 32m
Frontier
Deal found 4/23![Frontier logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/247:50 pm
SEA
- MCI
1 stop15h 59m
Frontier
Tue 6/22:34 pm
MCI
- SEA
2 stops30h 01m
Frontier
Deal found 4/26![Frontier logo]()
$260
This Trip.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/247:50 pm
SEA
- MCI
1 stop15h 59m
Multiple Airlines
Tue 6/22:34 pm
MCI
- SEA
1 stop8h 55m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/257:50 pm
SEA
- MCI
1 stop15h 59m
Frontier
Sat 5/302:34 pm
MCI
- SEA
2 stops30h 31m
Frontier
Deal found 4/27![Frontier logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:50 pm
SEA
- MCI
1 stop15h 59m
Frontier
Sun 5/312:34 pm
MCI
- SEA
1 stop25h 27m
Frontier
Deal found 4/27![Frontier logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:50 pm
SEA
- MCI
1 stop15h 59m
Frontier
Mon 6/12:34 pm
MCI
- SEA
2 stops30h 01m
Frontier
Deal found 4/27![Frontier logo]()
$259
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 April 28, 2026.
Search for one-way flight options from Seattle to Missouri. Find affordable one-way fares based on user searches. Data last updated April 28, 2026.
This Super.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/247:50 pm
SEA
- MCI
1 stop15h 59m
Frontier
Deal found 4/27![Frontier logo]()
$85
This American Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2611:24 pm
SEA
- STL
1 stop7h 27m
American Airlines
Deal found 4/23![American Airlines logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/267:50 pm
SEA
- MCI
1 stop15h 59m
Frontier
Deal found 4/27![Frontier logo]()
$89
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1911:59 pm
SEA
- STL
1 stop6h 47m
Delta
Deal found 4/23![Delta logo]()
$89
This American Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:19 pm
SEA
- STL
1 stop8h 37m
American Airlines
Deal found 4/23![American Airlines logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/187:50 pm
SEA
- MCI
1 stop15h 59m
Frontier
Deal found 4/24![Frontier logo]()
$93
This Trip.com deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:50 pm
SEA
- MCI
1 stop15h 59m
Frontier
Deal found 4/25![Frontier logo]()
$95
This American Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/111:16 pm
SEA
- STL
1 stop8h 08m
American Airlines
Deal found 4/23![American Airlines logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:50 pm
SEA
- MCI
1 stop15h 59m
Frontier
Deal found 4/27![Frontier logo]()
$102
This Super.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:50 pm
SEA
- STL
1 stop21h 33m
Frontier
Deal found 4/24![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/197:50 pm
SEA
- MCI
1 stop15h 59m
Frontier
Deal found 4/23![Frontier logo]()
$107
This Super.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/237:50 pm
SEA
- MCI
1 stop15h 59m
Frontier
Deal found 4/24![Frontier logo]()
$110
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 April 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $221 (Kiwi.com) |
One-way from | $85 (Super.com) |
Popular in | December |
Cheapest in | January |
Average price | $397 |
Good round-trip deal | $367 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 2,558,603 searches. Data last updated April 28, 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 - STL
SEASTL
Seattle/Tacoma Intl
Fri 7/24
9:25 pm-8:10 am
1 stop8h 45m
Lambert-St Louis
Tue 7/28
1:45 pm-11:10 pm
2 stops11h 25m
$339
SeattleColumbia
SEA - COU
SEACOU
Seattle/Tacoma Intl
Thu 6/4
12:49 am-11:14 am
1 stop8h 25m
Columbia Regional
Mon 6/8
6:47 pm-12:41 am
1 stop7h 54m
$358
Quickest round-trip
SeattleKansas City
SEA - MCI
SEAMCI
Seattle/Tacoma Intl
Thu 5/28
8:15 am-1:57 pm
Nonstop3h 42m
Kansas City
Mon 6/1
7:55 pm-9:59 pm
Nonstop4h 04m
$377
SeattleSt. Louis
SEA - STL
SEASTL
Seattle/Tacoma Intl
Sat 5/9
8:45 am-10:45 pm
2 stops12h 00m
Lambert-St Louis
Tue 5/12
4:06 pm-9:06 pm
1 stop7h 00m
$378
SeattleKansas City
SEA - MCI
SEAMCI
Seattle/Tacoma Intl
Wed 5/20
5:30 pm-11:10 pm
Nonstop3h 40m
Kansas City
Thu 5/28
4:09 pm-11:55 pm
1 stop9h 46m
$387
SeattleKansas City
SEA - MCI
SEAMCI
Seattle/Tacoma Intl
Thu 5/28
5:30 pm-11:10 pm
Nonstop3h 40m
Kansas City
Mon 6/1
4:09 pm-11:53 pm
1 stop9h 44m
$387
SeattleKansas City
SEA - MCI
SEAMCI
Seattle/Tacoma Intl
Thu 6/25
12:35 pm-11:49 pm
1 stop9h 14m
Kansas City
Sun 6/28
7:00 am-9:06 am
Nonstop4h 06m
$387
SeattleKansas City
SEA - MCI
SEAMCI
Seattle/Tacoma Intl
Tue 5/19
5:30 pm-11:10 pm
Nonstop3h 40m
Kansas City
Tue 5/26
4:09 pm-10:55 pm
1 stop8h 46m
$387
SeattleKansas City
SEA - MCI
SEAMCI
Seattle/Tacoma Intl
Mon 5/25
5:30 pm-11:10 pm
Nonstop3h 40m
Kansas City
Tue 6/2
4:09 pm-10:55 pm
1 stop8h 46m
$387
SeattleKansas City
SEA - MCI
SEAMCI
Seattle/Tacoma Intl
Thu 6/18
2:55 pm-11:49 pm
1 stop6h 54m
Kansas City
Tue 6/23
12:39 pm-5:00 pm
1 stop6h 21m
$397
Showing 1-10 of 58 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-MCI
SEA-SGF
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-STL
SEA-MCI
SEA-SGF
SEA-COU
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.
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 $159). 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 April 28, 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 April 28, 2026.
The most flights from SEA to USMO are scheduled on a Saturday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).
How much does it cost to fly round-trip from Seattle to Missouri?
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 April 28, 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.
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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 April 28, 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 April 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$94 | Average$310 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$133 | Average$250 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$148 | Average$375 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$157 | Average$438 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$178 | Average$384 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$188 | Average$468 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$199 | Average$426 | FlexibilityNo cancel fee | On-time75% |