$116+ Cheap flights from Missouri to Maine
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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PWM
Aug 26 — Sep 21
Round-trip
1 adult, Economy
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Find cheap flights from Missouri to Maine with Cheapflights
1. Tell us where you want to go
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Cheapest flights from Missouri to MaineExplore the most affordable flight options available from Missouri to Maine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.
Explore the most affordable flight options available from Missouri to Maine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 10/166:11 pm
MCI
- BOS
1 stop15h 41m
Multiple Airlines
Thu 10/2212:34 pm
BOS
- MCI
1 stop22h 32m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 10/126:11 pm
MCI
- BOS
1 stop15h 41m
Multiple Airlines
Thu 10/2212:34 pm
BOS
- MCI
1 stop22h 32m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$236
This American Airlines deal was found by Cheapflights users on 7/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/29:15 am
STL
- BGR
1 stop7h 41m
American Airlines
Sat 9/56:51 pm
BGR
- STL
1 stop6h 07m
American Airlines
Deal found 7/24![American Airlines logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 10/99:16 am
MCI
- BOS
1 stop23h 13m
Multiple Airlines
Wed 10/1411:28 am
BOS
- MCI
1 stop6h 48m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$256
This Delta deal was found by Cheapflights users on 7/25. 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.
Wed 8/265:25 pm
STL
- BGR
1 stop5h 15m
Delta
Sat 8/296:00 am
BGR
- STL
2 stops11h 17m
Delta
Deal found 7/25![Delta logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/116:11 pm
MCI
- BOS
1 stop16h 54m
Frontier
Tue 9/151:00 pm
BOS
- MCI
1 stop29h 16m
Frontier
Deal found 7/22![Frontier logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 10/26:11 pm
MCI
- BOS
1 stop16h 54m
Frontier
Tue 10/61:00 pm
BOS
- MCI
1 stop29h 16m
Frontier
Deal found 7/22![Frontier logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 10/126:11 pm
MCI
- BOS
1 stop15h 41m
Frontier
Wed 10/2111:28 am
BOS
- MCI
1 stop6h 48m
Frontier
Deal found 7/22![Frontier logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 10/146:11 pm
MCI
- BOS
1 stop15h 41m
Multiple Airlines
Thu 10/2212:34 pm
BOS
- MCI
1 stop22h 32m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$273
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Wed 8/2612:59 pm
STL
- BGR
1 stop7h 52m
United Airlines
Sat 8/296:00 am
BGR
- STL
1 stop7h 03m
United Airlines
Deal found 7/25![United Airlines logo]()
$277
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/149:58 am
STL
- BGR
1 stop6h 37m
American Airlines
Wed 9/232:08 pm
BGR
- STL
1 stop8h 09m
American Airlines
Deal found 7/22![American Airlines logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 10/106:11 pm
MCI
- BOS
1 stop15h 41m
Multiple Airlines
Thu 10/2212:34 pm
BOS
- MCI
1 stop22h 32m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$280
Best flights from Missouri to MaineDiscover carefully curated flight deals from Missouri to Maine that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 27, 2026.
Discover carefully curated flight deals from Missouri to Maine that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 27, 2026.
This Delta deal was found by Cheapflights users on 7/26. 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.
Fri 8/285:25 pm
STL
- BGR
1 stop5h 15m
Delta
Tue 11/1712:06 pm
BGR
- STL
2 stops9h 45m
Delta
Deal found 7/26![Delta logo]()
$298
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/103:31 pm
COU
- BOS
1 stop7h 28m
American Airlines
Mon 9/142:58 pm
BOS
- COU
1 stop6h 48m
American Airlines
Deal found 7/22![American Airlines logo]()
$308
This Southwest deal was found by Cheapflights users on 7/24. 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 10/134:20 pm
MCI
- PWM
1 stop5h 15m
Southwest
Wed 10/216:00 pm
PWM
- MCI
1 stop5h 05m
Southwest
Deal found 7/24![Southwest logo]()
$313
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Tue 8/253:14 pm
MCI
- PWM
1 stop5h 09m
United Airlines
Tue 9/19:49 am
PWM
- MCI
2 stops8h 41m
United Airlines
Deal found 7/26![United Airlines logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2310:56 am
SGF
- BGR
1 stop6h 42m
Allegiant Air
Tue 12/296:04 pm
BGR
- SGF
1 stop17h 32m
Allegiant Air
Deal found 7/25![Allegiant Air logo]()
$538
This Delta deal was found by Cheapflights users on 7/26. 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.
Mon 9/1412:00 pm
STL
- BGR
2 stops10h 20m
Delta
Wed 9/235:17 am
BGR
- STL
2 stops11h 37m
Delta
Deal found 7/26![Delta logo]()
$303
This Southwest deal was found by Cheapflights users on 7/25. 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.
Mon 9/281:40 pm
MCI
- PWM
2 stops7h 50m
Southwest
Sat 10/35:35 am
PWM
- MCI
1 stop7h 20m
Southwest
Deal found 7/25![Southwest logo]()
$318
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Thu 9/1011:17 am
COU
- BOS
1 stop5h 19m
United Airlines
Mon 9/146:42 pm
BOS
- COU
1 stop5h 13m
United Airlines
Deal found 7/26![United Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 7/24. 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.
Sat 9/191:10 pm
MCI
- BGR
1 stop7h 02m
Delta
Wed 9/235:17 am
BGR
- MCI
2 stops10h 49m
Delta
Deal found 7/24![Delta logo]()
$308
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Tue 8/257:15 am
SGF
- BGR
2 stops10h 00m
American Airlines
Tue 9/15:30 pm
BGR
- SGF
1 stop6h 13m
American Airlines
Deal found 7/26![American Airlines logo]()
$344
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Tue 8/183:11 pm
COU
- BOS
1 stop7h 23m
United Airlines
Thu 8/277:05 am
BOS
- COU
1 stop8h 25m
United Airlines
Deal found 7/26![United Airlines logo]()
$318
This Southwest deal was found by Cheapflights users on 7/25. 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.
Wed 8/262:50 pm
STL
- BOS
2 stops8h 15m
Southwest
Thu 8/273:25 pm
BOS
- STL
1 stop7h 40m
Southwest
Deal found 7/25![Southwest logo]()
$332
This Delta deal was found by Cheapflights users on 7/26. 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.
Tue 8/256:00 am
MCI
- PWM
1 stop5h 32m
Delta
Tue 9/11:12 pm
PWM
- MCI
1 stop5h 52m
Delta
Deal found 7/26![Delta logo]()
$313
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Wed 1/205:00 am
COU
- BOS
1 stop6h 47m
United Airlines
Sat 1/237:10 am
BOS
- COU
1 stop8h 19m
United Airlines
Deal found 7/24![United Airlines logo]()
$318
This American Airlines deal was found by Cheapflights users on 7/27. 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.
Thu 9/243:41 pm
SGF
- PWM
1 stop7h 06m
American Airlines
Fri 10/25:38 pm
PWM
- SGF
1 stop5h 54m
American Airlines
Deal found 7/27![American Airlines logo]()
$369
This Southwest deal was found by Cheapflights users on 7/25. 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 8/152:55 pm
STL
- PWM
1 stop5h 05m
Southwest
Sat 8/225:40 am
PWM
- STL
2 stops8h 45m
Southwest
Deal found 7/25![Southwest logo]()
$344
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/221:15 pm
MCI
- BGR
1 stop7h 23m
Delta
Thu 8/275:20 am
BGR
- MCI
2 stops11h 53m
Delta
Deal found 7/22![Delta logo]()
$321
This Southwest deal was found by Cheapflights users on 7/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:55 pm
STL
- PWM
2 stops8h 15m
Southwest
Tue 10/65:40 am
PWM
- STL
1 stop6h 55m
Southwest
Deal found 7/26![Southwest logo]()
$344
This United Airlines deal was found by Cheapflights users on 7/25. 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 8/295:30 am
SGF
- PWM
2 stops11h 12m
United Airlines
Sat 9/55:03 pm
PWM
- SGF
1 stop7h 16m
United Airlines
Deal found 7/25![United Airlines logo]()
$344
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Sat 10/32:35 pm
STL
- BOS
Nonstop2h 47m
American Airlines
Sun 10/114:41 pm
BOS
- STL
1 stop5h 27m
American Airlines
Deal found 7/26![American Airlines logo]()
$394
This Delta deal was found by Cheapflights users on 7/23. 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.
Fri 9/182:26 pm
MCI
- BGR
2 stops7h 54m
Delta
Wed 9/235:17 am
BGR
- MCI
2 stops9h 04m
Delta
Deal found 7/23![Delta logo]()
$327
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 10/148:30 am
STL
- BOS
2 stops7h 40m
Southwest
Wed 10/211:05 pm
BOS
- STL
2 stops7h 55m
Southwest
Deal found 7/22![Southwest logo]()
$347
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/166:15 am
COU
- BOS
2 stops7h 35m
United Airlines
Fri 9/256:43 pm
BOS
- COU
1 stop5h 12m
United Airlines
Deal found 7/22![United Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 7/24. 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.
Wed 9/26:00 am
MCI
- PWM
1 stop5h 32m
Delta
Sun 9/66:05 am
PWM
- MCI
1 stop7h 47m
Delta
Deal found 7/24![Delta logo]()
$328
This American Airlines deal was found by Cheapflights users on 7/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:43 pm
COU
- BOS
1 stop4h 57m
American Airlines
Sat 8/1511:58 am
BOS
- COU
1 stop6h 59m
American Airlines
Deal found 7/24![American Airlines logo]()
$404
This Southwest deal was found by Cheapflights users on 7/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/112:20 pm
STL
- PWM
2 stops7h 10m
Southwest
Sat 9/195:40 am
PWM
- STL
2 stops9h 20m
Southwest
Deal found 7/26![Southwest logo]()
$351
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Wed 9/233:14 pm
MCI
- PWM
1 stop5h 09m
United Airlines
Wed 11/46:00 am
PWM
- MCI
2 stops9h 23m
United Airlines
Deal found 7/23![United Airlines logo]()
$358
This Delta deal was found by Cheapflights users on 7/23. 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.
Wed 9/910:00 am
STL
- BGR
1 stop5h 21m
Delta
Sat 9/124:50 pm
BGR
- STL
1 stop4h 45m
Delta
Deal found 7/23![Delta logo]()
$328
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/196:25 am
MCI
- BOS
1 stop6h 20m
Southwest
Wed 8/262:45 pm
BOS
- MCI
2 stops8h 50m
Southwest
Deal found 7/21![Southwest logo]()
$370
This Delta deal was found by Cheapflights users on 7/25. 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.
Sat 9/54:00 pm
SGF
- BOS
1 stop7h 38m
Delta
Sun 9/135:30 am
BOS
- SGF
1 stop6h 12m
Delta
Deal found 7/25![Delta logo]()
$339
Last-minute flights from Missouri to MaineDiscover last-minute flight deals from Missouri to Maine. Data last updated July 27, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Maine. Data last updated July 27, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/146:17 pm
MCI
- BOS
1 stop12h 25m
Frontier
Tue 8/1812:45 pm
BOS
- MCI
1 stop22h 56m
Frontier
Deal found 7/22![Frontier logo]()
$293
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/224:32 pm
MCI
- BGR
1 stop6h 13m
American Airlines
Thu 8/275:30 pm
BGR
- MCI
1 stop8h 05m
American Airlines
Deal found 7/22![American Airlines logo]()
$306
This American Airlines deal was found by Cheapflights users on 7/23. 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.
Sat 8/227:35 am
MCI
- PWM
1 stop5h 46m
American Airlines
Sat 8/297:28 am
PWM
- MCI
1 stop7h 04m
American Airlines
Deal found 7/23![American Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:26 am
MCI
- BOS
1 stop23h 21m
Frontier
Thu 8/2712:45 pm
BOS
- MCI
2 stops22h 56m
Frontier
Deal found 7/25![Frontier logo]()
$311
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Tue 8/256:15 am
MCI
- BGR
1 stop8h 45m
American Airlines
Tue 9/14:31 pm
BGR
- MCI
1 stop6h 14m
American Airlines
Deal found 7/26![American Airlines logo]()
$293
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Tue 8/253:49 pm
MCI
- BGR
1 stop6h 41m
United Airlines
Tue 9/16:14 am
BGR
- MCI
2 stops10h 57m
United Airlines
Deal found 7/26![United Airlines logo]()
$298
This Delta deal was found by Cheapflights users on 7/26. 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.
Tue 8/252:13 pm
MCI
- BGR
2 stops8h 27m
Delta
Tue 9/15:20 am
BGR
- MCI
2 stops9h 06m
Delta
Deal found 7/26![Delta logo]()
$303
This Delta deal was found by Cheapflights users on 7/25. 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.
Wed 8/265:25 pm
STL
- BGR
1 stop5h 15m
Delta
Sat 8/296:00 am
BGR
- STL
2 stops11h 17m
Delta
Deal found 7/25![Delta logo]()
$262
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Wed 8/2612:59 pm
STL
- BGR
1 stop7h 52m
United Airlines
Sat 8/296:00 am
BGR
- STL
1 stop7h 03m
United Airlines
Deal found 7/25![United Airlines logo]()
$277
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Fri 8/285:57 pm
STL
- BGR
1 stop5h 02m
American Airlines
Tue 11/174:24 pm
BGR
- STL
1 stop6h 10m
American Airlines
Deal found 7/26![American Airlines logo]()
$289
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Fri 8/2812:59 pm
STL
- BGR
1 stop7h 52m
United Airlines
Tue 11/1711:00 am
BGR
- STL
2 stops11h 40m
United Airlines
Deal found 7/25![United Airlines logo]()
$294
This Delta deal was found by Cheapflights users on 7/26. 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.
Fri 8/285:25 pm
STL
- BGR
1 stop5h 15m
Delta
Tue 11/1712:06 pm
BGR
- STL
2 stops9h 45m
Delta
Deal found 7/26![Delta logo]()
$298
One-way flights from Missouri to MaineSearch for one-way flight options from Missouri to Maine. Find affordable one-way fares based on user searches. Data last updated July 27, 2026.
Search for one-way flight options from Missouri to Maine. Find affordable one-way fares based on user searches. Data last updated July 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/76:17 pm
MCI
- BOS
1 stop12h 25m
Frontier
Deal found 7/25![Frontier logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Fri 10/2310:56 am
MCI
- BOS
1 stop21h 33m
Allegiant Air
Deal found 7/23![Allegiant Air logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Mon 11/164:12 pm
MCI
- BOS
1 stop18h 28m
Frontier
Deal found 7/23![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Thu 10/2210:35 am
STL
- BOS
2 stops45h 54m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 10/2010:35 am
STL
- BOS
1 stop23h 17m
Frontier
Deal found 7/22![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 10/2310:35 am
STL
- BOS
2 stops21h 54m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Fri 1/225:17 pm
MCI
- BOS
1 stop17h 42m
Allegiant Air
Deal found 7/26![Allegiant Air logo]()
$125
This Super.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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.
Thu 8/275:02 pm
STL
- BOS
1 stop15h 07m
Frontier
Deal found 7/22![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 10/99:16 am
MCI
- BOS
1 stop23h 13m
Allegiant Air
Deal found 7/22![Allegiant Air logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Fri 10/304:12 pm
MCI
- BOS
2 stops40h 02m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 11/69:36 am
MCI
- BOS
1 stop22h 53m
Allegiant Air
Deal found 7/22![Allegiant Air logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/2210:35 am
STL
- BOS
1 stop24h 30m
Frontier
Deal found 7/22![Frontier logo]()
$128
Find flight deals from Missouri to Maine
Keep the following information in mind while searching for Missouri to Maine flight deals. Data was last updated July 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $231 (Kiwi.com) |
One-way from | $116 (Kiwi.com) |
Popular in | January |
Cheapest in | March |
Average price | $516 |
Cheapflights Fare Finder
Customize your flight search to find flights from Missouri to Maine 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 July 27, 2026.
Use the filters below to find and compare flights from Missouri to Maine that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisBangor
STL - BGR
STLBGR
Lambert-St Louis
Fri 8/28
5:25 pm-11:40 pm
1 stop5h 15m
Bangor
Tue 11/17
12:06 pm-8:51 pm
2 stops9h 45m
$298
St. LouisBangor
STL - BGR
STLBGR
Lambert-St Louis
Mon 9/14
12:00 pm-11:20 pm
2 stops10h 20m
Bangor
Wed 9/23
5:17 am-3:54 pm
2 stops11h 37m
$303
ColumbiaBoston
COU - BOS
COUBOS
Columbia Regional
Thu 9/10
3:31 pm-11:59 pm
1 stop7h 28m
Boston Logan Intl
Mon 9/14
2:58 pm-8:46 pm
1 stop6h 48m
$308
Kansas CityBangor
MCI - BGR
MCIBGR
Kansas City
Sat 9/19
1:10 pm-9:12 pm
1 stop7h 02m
Bangor
Wed 9/23
5:17 am-3:06 pm
2 stops10h 49m
$308
Kansas CityPortland
MCI - PWM
MCIPWM
Kansas City
Tue 10/13
4:20 pm-10:35 pm
1 stop5h 15m
Portland
Wed 10/21
6:00 pm-10:05 pm
1 stop5h 05m
$313
Kansas CityPortland
MCI - PWM
MCIPWM
Kansas City
Tue 8/25
6:00 am-12:32 pm
1 stop5h 32m
Portland
Tue 9/1
1:12 pm-6:04 pm
1 stop5h 52m
$313
Kansas CityPortland
MCI - PWM
MCIPWM
Kansas City
Tue 8/25
3:14 pm-9:23 pm
1 stop5h 09m
Portland
Tue 9/1
9:49 am-5:30 pm
2 stops8h 41m
$318
Kansas CityPortland
MCI - PWM
MCIPWM
Kansas City
Mon 9/28
1:40 pm-10:30 pm
2 stops7h 50m
Portland
Sat 10/3
5:35 am-11:55 am
1 stop7h 20m
$318
ColumbiaBoston
COU - BOS
COUBOS
Columbia Regional
Thu 9/10
11:17 am-5:36 pm
1 stop5h 19m
Boston Logan Intl
Mon 9/14
6:42 pm-10:55 pm
1 stop5h 13m
$318
ColumbiaBoston
COU - BOS
COUBOS
Columbia Regional
Tue 8/18
3:11 pm-11:34 pm
1 stop7h 23m
Boston Logan Intl
Thu 8/27
7:05 am-2:30 pm
1 stop8h 25m
$318
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Missouri to Maine
Have a flexible travel schedule? Discover the best time to fly to Maine from Missouri with our price prediction graph.
MCI-BOS
STL-BGR
STL-BOS
MCI-BGR
MCI-PWM
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 Missouri to Maine
USMO-USME
MCI-BOS
STL-BGR
STL-BOS
MCI-BGR
What is the cheapest month to book a flight from Missouri to Maine?
Currently, April is the cheapest month in which you can book a flight from Missouri to Maine (average of $387). Flying from Missouri to Maine in July is currently the most expensive (average of $528). 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.
How much does it cost to fly round-trip from Missouri to Maine?
Airfare is below average for this route at the moment.
Missouri to Maine flights typically cost between $379 and $462 in August.The cheapest round-trip price found within the last 5 days was $321 on American Airlines (Aug 31-Sep 5).
How far ahead should I book a flight from Missouri to Maine?
The price you pay for your flight from Missouri to Maine may vary depending on when you book. For the best chance of a lower fare, look to book 64 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing Maine
Get insights into the airlines that provide service to Maine. 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 Maine. Reviews last updated July 27, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Missouri to Maine by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from Missouri to Maine. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Missouri to Maine
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Maine by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Missouri to Maine by cabin class
Find flights from Missouri to Maine, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Missouri and Maine flights
Browse other Missouri and Maine flight options. Last updated on July 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Maine
Find the right flight back to Missouri after your stay in Maine
Missouri to Maine flights
Consider these flights traveling from Missouri to Maine.
Top 4 airlines flying from Missouri to Maine
Discover the top 4 airlines that operate flights from Missouri to Maine. 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 July 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$264 | Average$479 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$274 | Average$442 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$278 | Average$488 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$312 | Average$484 | FlexibilityNo cancel fee | On-time63% |