$120+ 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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — PWM
Aug 12 — Aug 191
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Missouri to Maine with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Missouri to Maine
Cheapest
Best
Last-minute
One-way
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 13, 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 13, 2026.
This United Airlines deal was found by Cheapflights users on 7/9. 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.
Sat 8/221:05 pm
STL
- BGR
1 stop7h 53m
United Airlines
Sat 8/294:43 pm
BGR
- STL
1 stop6h 17m
United Airlines
Deal found 7/9![United Airlines logo]()
$239
This American Airlines deal was found by Cheapflights users on 7/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/112:02 pm
MCI
- PWM
1 stop6h 19m
American Airlines
Tue 8/186:46 pm
PWM
- MCI
1 stop5h 51m
American Airlines
Deal found 7/9![American Airlines logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 7/8. 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.
Fri 8/146:17 pm
MCI
- BOS
1 stop12h 25m
Frontier
Tue 8/1812:45 pm
BOS
- MCI
1 stop22h 56m
Frontier
Deal found 7/8![Frontier logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 10/26:11 pm
MCI
- BOS
1 stop16h 54m
Frontier
Tue 10/61:00 pm
BOS
- MCI
1 stop29h 16m
Frontier
Deal found 7/11![Frontier logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:17 pm
MCI
- BOS
1 stop15h 40m
Frontier
Tue 8/1812:45 pm
BOS
- MCI
1 stop22h 56m
Frontier
Deal found 7/10![Frontier logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 7/9. 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.
Fri 10/166:11 pm
MCI
- BOS
1 stop15h 41m
Multiple Airlines
Sun 10/1812:34 pm
BOS
- MCI
1 stop20h 52m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$253
This Southwest deal was found by Cheapflights users on 7/9. 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.
Mon 8/2412:15 pm
MCI
- PWM
2 stops8h 15m
Southwest
Thu 8/275:55 am
PWM
- MCI
1 stop6h 35m
Southwest
Deal found 7/9![Southwest logo]()
$254
This Delta deal was found by Cheapflights users on 7/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:00 am
MCI
- PWM
1 stop6h 16m
Delta
Wed 10/711:25 am
PWM
- MCI
1 stop7h 09m
Delta
Deal found 7/8![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 7/9. 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.
Sat 10/247:10 am
STL
- BGR
1 stop5h 24m
Delta
Tue 10/2711:15 am
BGR
- STL
1 stop6h 51m
Delta
Deal found 7/9![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 7/10. 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.
Mon 10/197:25 am
MCI
- PWM
2 stops8h 30m
Southwest
Tue 10/279:20 am
PWM
- MCI
2 stops8h 45m
Southwest
Deal found 7/10![Southwest logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 7/9. 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.
Mon 9/146:11 pm
MCI
- BOS
1 stop16h 54m
Frontier
Tue 9/221:00 pm
BOS
- MCI
1 stop29h 16m
Frontier
Deal found 7/9![Frontier logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 7/276:07 pm
MCI
- BOS
1 stop15h 50m
Frontier
Wed 8/128:41 am
BOS
- MCI
2 stops9h 29m
Frontier
Deal found 7/11![Frontier logo]()
$262
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 13, 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 13, 2026.
This United Airlines deal was found by Cheapflights users on 7/9. 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 8/128:50 am
STL
- BGR
1 stop5h 57m
United Airlines
Wed 8/197:17 pm
BGR
- STL
1 stop5h 21m
United Airlines
Deal found 7/9![United Airlines logo]()
$266
This Delta deal was found by Cheapflights users on 7/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:28 pm
STL
- PWM
1 stop5h 08m
Delta
Tue 10/204:45 pm
PWM
- STL
1 stop4h 56m
Delta
Deal found 7/10![Delta logo]()
$275
This Southwest deal was found by Cheapflights users on 7/10. 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.
Tue 10/132:10 pm
STL
- PWM
2 stops7h 25m
Southwest
Tue 10/205:40 am
PWM
- STL
2 stops10h 20m
Southwest
Deal found 7/10![Southwest logo]()
$291
This American Airlines deal was found by Cheapflights users on 7/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:15 am
SGF
- PWM
1 stop7h 12m
American Airlines
Sat 9/126:00 am
PWM
- SGF
2 stops10h 07m
American Airlines
Deal found 7/8![American Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 7/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/75:25 pm
STL
- PWM
1 stop5h 05m
Delta
Fri 8/141:12 pm
PWM
- STL
1 stop8h 19m
Delta
Deal found 7/8![Delta logo]()
$275
This Southwest deal was found by Cheapflights users on 7/10. 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.
Sat 9/52:25 pm
MCI
- BOS
1 stop4h 25m
Southwest
Sat 9/127:05 am
BOS
- MCI
1 stop6h 20m
Southwest
Deal found 7/10![Southwest logo]()
$305
This United Airlines deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/103:19 pm
COU
- BOS
1 stop7h 05m
United Airlines
Sat 10/176:00 am
BOS
- COU
1 stop5h 37m
United Airlines
Deal found 7/11![United Airlines logo]()
$308
This Delta deal was found by Cheapflights users on 7/9. 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.
Sat 8/812:45 pm
MCI
- BOS
Nonstop3h 13m
Delta
Mon 8/106:10 am
BOS
- MCI
Nonstop3h 31m
Delta
Deal found 7/9![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/109:20 am
STL
- BGR
1 stop5h 22m
United Airlines
Wed 8/196:14 am
BGR
- STL
2 stops10h 24m
United Airlines
Deal found 7/10![United Airlines logo]()
$311
This Southwest deal was found by Cheapflights users on 7/10. 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.
Mon 10/195:00 am
MCI
- PWM
1 stop6h 25m
Southwest
Fri 10/236:30 am
PWM
- MCI
2 stops9h 25m
Southwest
Deal found 7/10![Southwest logo]()
$314
This Delta deal was found by Cheapflights users on 7/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/147:30 pm
MCI
- BOS
Nonstop3h 11m
Delta
Thu 9/176:10 am
BOS
- MCI
Nonstop3h 23m
Delta
Deal found 7/8![Delta logo]()
$289
This American Airlines deal was found by Cheapflights users on 7/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1312:43 pm
COU
- BOS
1 stop4h 57m
American Airlines
Sun 8/166:14 am
BOS
- COU
1 stop6h 59m
American Airlines
Deal found 7/12![American Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:15 am
COU
- BOS
2 stops9h 27m
United Airlines
Sat 8/156:01 am
BOS
- COU
1 stop5h 13m
United Airlines
Deal found 7/12![United Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 7/9. 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.
Sat 8/227:05 am
STL
- BGR
1 stop6h 53m
Delta
Thu 8/275:20 am
BGR
- STL
2 stops10h 13m
Delta
Deal found 7/9![Delta logo]()
$293
This Southwest deal was found by Cheapflights users on 7/12. 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.
Tue 8/2511:45 am
MCI
- PWM
2 stops8h 25m
Southwest
Sat 8/295:40 am
PWM
- MCI
2 stops8h 45m
Southwest
Deal found 7/12![Southwest logo]()
$323
This United Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:15 am
COU
- BOS
2 stops7h 35m
United Airlines
Mon 9/146:00 am
BOS
- COU
1 stop5h 39m
United Airlines
Deal found 7/10![United Airlines logo]()
$314
This Southwest deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:15 am
MCI
- PWM
2 stops12h 40m
Southwest
Mon 10/265:20 am
PWM
- MCI
1 stop5h 45m
Southwest
Deal found 7/12![Southwest logo]()
$324
This Delta deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:26 pm
MCI
- PWM
1 stop8h 04m
Delta
Sat 10/106:28 am
PWM
- MCI
1 stop6h 01m
Delta
Deal found 7/12![Delta logo]()
$313
This United Airlines deal was found by Cheapflights users on 7/12. 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.
Sat 10/2411:19 am
COU
- PWM
2 stops11h 09m
United Airlines
Wed 10/289:46 am
PWM
- COU
2 stops8h 37m
United Airlines
Deal found 7/12![United Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 7/10. 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.
Fri 10/237:58 pm
SGF
- PWM
1 stop15h 13m
American Airlines
Wed 10/287:00 am
PWM
- SGF
1 stop7h 05m
American Airlines
Deal found 7/10![American Airlines logo]()
$425
This Southwest deal was found by Cheapflights users on 7/9. 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.
Fri 8/212:45 pm
STL
- BOS
2 stops6h 25m
Southwest
Tue 8/255:25 am
BOS
- STL
2 stops6h 55m
Southwest
Deal found 7/9![Southwest logo]()
$353
This American Airlines deal was found by Cheapflights users on 7/11. 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.
Sat 10/241:37 pm
SGF
- PWM
2 stops8h 07m
American Airlines
Fri 10/307:00 am
PWM
- SGF
2 stops10h 38m
American Airlines
Deal found 7/11![American Airlines logo]()
$434
This Delta deal was found by Cheapflights users on 7/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:00 pm
SGF
- BOS
1 stop6h 31m
Delta
Tue 9/158:00 am
BOS
- SGF
1 stop7h 34m
Delta
Deal found 7/8![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 7/12. 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 8/116:37 pm
SGF
- BOS
1 stop5h 33m
United Airlines
Tue 8/185:01 pm
BOS
- SGF
1 stop7h 18m
United Airlines
Deal found 7/12![United Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 7/9. 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.
Thu 8/136:58 pm
SGF
- BOS
1 stop5h 27m
Delta
Thu 8/2012:20 pm
BOS
- SGF
1 stop6h 57m
Delta
Deal found 7/9![Delta logo]()
$329
This Southwest deal was found by Cheapflights users on 7/10. 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.
Mon 10/267:55 pm
STL
- BOS
Nonstop2h 35m
Southwest
Thu 10/295:25 am
BOS
- STL
Nonstop3h 00m
Southwest
Deal found 7/10![Southwest logo]()
$369
This United Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:01 am
STL
- PWM
1 stop6h 24m
United Airlines
Fri 8/75:15 am
PWM
- STL
2 stops7h 56m
United Airlines
Deal found 7/10![United Airlines logo]()
$343
This Southwest deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:25 am
MCI
- BOS
1 stop6h 00m
Southwest
Sat 10/175:35 am
BOS
- MCI
2 stops9h 30m
Southwest
Deal found 7/12![Southwest logo]()
$370
This Delta deal was found by Cheapflights users on 7/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3010:34 am
MCI
- BGR
2 stops11h 57m
Delta
Sun 11/16:00 am
BGR
- MCI
2 stops11h 26m
Delta
Deal found 7/8![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 7/11. 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 7/297:20 am
STL
- BGR
1 stop7h 22m
United Airlines
Sat 8/17:13 pm
BGR
- STL
1 stop5h 31m
United Airlines
Deal found 7/11![United Airlines logo]()
$348
Last-minute flights from Missouri to MaineDiscover last-minute flight deals from Missouri to Maine. Data last updated July 13, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Maine. Data last updated July 13, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 7/276:07 pm
MCI
- BOS
1 stop15h 50m
Frontier
Wed 8/128:41 am
BOS
- MCI
2 stops9h 29m
Frontier
Deal found 7/11![Frontier logo]()
$262
This Delta deal was found by Cheapflights users on 7/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/75:25 pm
STL
- PWM
1 stop5h 05m
Delta
Fri 8/141:12 pm
PWM
- STL
1 stop8h 19m
Delta
Deal found 7/8![Delta logo]()
$275
This Delta deal was found by Cheapflights users on 7/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1010:38 am
MCI
- PWM
1 stop5h 12m
Delta
Sat 8/156:05 am
PWM
- MCI
1 stop7h 25m
Delta
Deal found 7/8![Delta logo]()
$257
This American Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:00 am
STL
- BGR
1 stop5h 05m
American Airlines
Wed 8/195:46 pm
BGR
- STL
1 stop6h 48m
American Airlines
Deal found 7/10![American Airlines logo]()
$279
This American Airlines deal was found by Cheapflights users on 7/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/112:02 pm
MCI
- PWM
1 stop6h 19m
American Airlines
Tue 8/186:46 pm
PWM
- MCI
1 stop5h 51m
American Airlines
Deal found 7/9![American Airlines logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:17 pm
MCI
- BOS
1 stop15h 40m
Frontier
Tue 8/1812:45 pm
BOS
- MCI
1 stop22h 56m
Frontier
Deal found 7/10![Frontier logo]()
$251
This United Airlines deal was found by Cheapflights users on 7/9. 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 8/128:50 am
STL
- BGR
1 stop5h 57m
United Airlines
Wed 8/197:17 pm
BGR
- STL
1 stop5h 21m
United Airlines
Deal found 7/9![United Airlines logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 7/8. 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.
Fri 8/146:17 pm
MCI
- BOS
1 stop12h 25m
Frontier
Tue 8/1812:45 pm
BOS
- MCI
1 stop22h 56m
Frontier
Deal found 7/8![Frontier logo]()
$249
This United Airlines deal was found by Cheapflights users on 7/9. 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.
Sat 8/221:05 pm
STL
- BGR
1 stop7h 53m
United Airlines
Sat 8/294:43 pm
BGR
- STL
1 stop6h 17m
United Airlines
Deal found 7/9![United Airlines logo]()
$239
This Southwest deal was found by Cheapflights users on 7/8. 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.
Mon 8/243:45 pm
MCI
- PWM
1 stop4h 45m
Southwest
Tue 9/11:05 pm
PWM
- MCI
2 stops9h 05m
Southwest
Deal found 7/8![Southwest logo]()
$254
This Southwest deal was found by Cheapflights users on 7/9. 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.
Mon 8/241:40 pm
MCI
- PWM
2 stops7h 45m
Southwest
Thu 8/273:40 pm
PWM
- MCI
2 stops7h 55m
Southwest
Deal found 7/9![Southwest logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 7/8. 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.
Fri 8/2811:26 am
MCI
- BOS
1 stop23h 21m
Frontier
Tue 9/112:45 pm
BOS
- MCI
1 stop22h 56m
Frontier
Deal found 7/8![Frontier logo]()
$271
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 13, 2026.
Search for one-way flight options from Missouri to Maine. Find affordable one-way fares based on user searches. Data last updated July 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 10/2310:56 am
MCI
- BOS
1 stop21h 33m
Allegiant Air
Deal found 7/10![Allegiant Air logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 8/106:17 pm
MCI
- BOS
1 stop15h 40m
Frontier
Deal found 7/11![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 8/176:17 pm
MCI
- BOS
1 stop16h 30m
Frontier
Deal found 7/11![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 9/211:26 am
MCI
- BOS
1 stop23h 21m
Frontier
Deal found 7/11![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 8/2611:26 am
MCI
- BOS
1 stop20h 15m
Frontier
Deal found 7/11![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 8/76:17 pm
MCI
- BOS
1 stop12h 25m
Frontier
Deal found 7/11![Frontier logo]()
$125
This Southwest deal was found by Cheapflights users on 7/9. 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.
Mon 9/142:00 pm
MCI
- PWM
1 stop7h 25m
Southwest
Deal found 7/9![Southwest logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:11 pm
MCI
- BOS
1 stop15h 41m
Frontier
Deal found 7/12![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 7/9. 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.
Fri 7/316:07 pm
MCI
- BOS
1 stop12h 35m
Frontier
Deal found 7/9![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 9/116:11 pm
MCI
- BOS
1 stop16h 54m
Frontier
Deal found 7/11![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/126:17 pm
MCI
- BOS
1 stop15h 40m
Frontier
Deal found 7/8![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 8/1911:26 am
MCI
- BOS
1 stop20h 15m
Frontier
Deal found 7/9![Frontier logo]()
$130
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 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $239 (United Airlines) |
One-way from | $120 (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 13, 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
Wed 8/12
8:50 am-3:47 pm
1 stop5h 57m
Bangor
Wed 8/19
7:17 pm-11:38 pm
1 stop5h 21m
$266
St. LouisPortland
STL - PWM
STLPWM
Lambert-St Louis
Tue 10/13
5:28 pm-11:36 pm
1 stop5h 08m
Portland
Tue 10/20
4:45 pm-8:41 pm
1 stop4h 56m
$275
St. LouisPortland
STL - PWM
STLPWM
Lambert-St Louis
Fri 8/7
5:25 pm-11:30 pm
1 stop5h 05m
Portland
Fri 8/14
1:12 pm-8:31 pm
1 stop8h 19m
$275
Kansas CityBoston
MCI - BOS
MCIBOS
Kansas City
Sat 8/8
12:45 pm-4:58 pm
Nonstop3h 13m
Boston Logan Intl
Mon 8/10
6:10 am-8:41 am
Nonstop3h 31m
$289
Kansas CityBoston
MCI - BOS
MCIBOS
Kansas City
Mon 9/14
7:30 pm-11:41 pm
Nonstop3h 11m
Boston Logan Intl
Thu 9/17
6:10 am-8:33 am
Nonstop3h 23m
$289
St. LouisPortland
STL - PWM
STLPWM
Lambert-St Louis
Tue 10/13
2:10 pm-10:35 pm
2 stops7h 25m
Portland
Tue 10/20
5:40 am-3:00 pm
2 stops10h 20m
$291
St. LouisBangor
STL - BGR
STLBGR
Lambert-St Louis
Sat 8/22
7:05 am-2:58 pm
1 stop6h 53m
Bangor
Thu 8/27
5:20 am-2:33 pm
2 stops10h 13m
$293
Kansas CityBoston
MCI - BOS
MCIBOS
Kansas City
Sat 9/5
2:25 pm-7:50 pm
1 stop4h 25m
Boston Logan Intl
Sat 9/12
7:05 am-12:25 pm
1 stop6h 20m
$305
ColumbiaBoston
COU - BOS
COUBOS
Columbia Regional
Sat 10/10
3:19 pm-11:24 pm
1 stop7h 05m
Boston Logan Intl
Sat 10/17
6:00 am-10:37 am
1 stop5h 37m
$308
St. LouisBangor
STL - BGR
STLBGR
Lambert-St Louis
Mon 8/10
9:20 am-3:42 pm
1 stop5h 22m
Bangor
Wed 8/19
6:14 am-3:38 pm
2 stops10h 24m
$311
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-PWM
MCI-BOS
STL-PWM
SGF-BOS
STL-BOS
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-PWM
MCI-BOS
STL-PWM
SGF-BOS
What is the cheapest month to book a flight from Missouri to Maine?
Currently, October is the cheapest month in which you can book a flight from Missouri to Maine (average of $151). Flying from Missouri to Maine in March is currently the most expensive (average of $288). 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?
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 66 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 13, 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.
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
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
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
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 13, 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 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$264 | Average$470 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$268 | Average$490 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$274 | Average$430 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$318 | Average$484 | FlexibilityNo cancel fee | On-time63% |