$81+ 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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PWM
Jun 12 — Jun 191
Round-trip
1 adult, Economy
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Find cheap flights from Missouri to Maine with Cheapflights
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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 May 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 May 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 7/206:16 pm
MCI
- BOS
1 stop12h 30m
Frontier
Wed 7/296:00 am
BOS
- MCI
1 stop12h 21m
Frontier
Deal found 5/9![Frontier logo]()
$202
This Expedia deal was found by Cheapflights users on 5/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:16 pm
MCI
- BOS
1 stop12h 30m
Frontier
Wed 7/296:00 am
BOS
- MCI
1 stop12h 21m
Frontier
Deal found 5/11![Frontier logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/86:24 pm
MCI
- BOS
1 stop12h 28m
Frontier
Sat 6/1312:01 pm
BOS
- MCI
1 stop6h 20m
Frontier
Deal found 5/10![Frontier logo]()
$212
This Expedia deal was found by Cheapflights users on 5/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Sat 6/66:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 5/10![Frontier logo]()
$224
This Frontier deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:16 pm
MCI
- BOS
1 stop12h 30m
Frontier
Wed 8/126:00 am
BOS
- MCI
1 stop12h 21m
Frontier
Deal found 5/13![Frontier logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 6/123:09 pm
MCI
- BOS
1 stop17h 55m
Multiple Airlines
Wed 7/112:01 pm
BOS
- MCI
1 stop6h 20m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$231
This Frontier deal was found by Cheapflights users on 5/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Sat 6/612:01 pm
BOS
- MCI
1 stop6h 28m
Frontier
Deal found 5/11![Frontier logo]()
$238
This United Airlines deal was found by Cheapflights users on 5/9. 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 6/131:13 pm
STL
- BGR
1 stop7h 34m
United Airlines
Wed 6/177:06 pm
BGR
- STL
1 stop5h 29m
United Airlines
Deal found 5/9![United Airlines logo]()
$272
This American Airlines deal was found by Cheapflights users on 5/8. 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.
Mon 6/85:40 pm
STL
- BGR
1 stop5h 05m
American Airlines
Tue 6/164:34 pm
BGR
- STL
1 stop8h 25m
American Airlines
Deal found 5/8![American Airlines logo]()
$278
This American Airlines deal was found by Cheapflights users on 5/12. 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.
Sat 9/1910:00 am
MCI
- BGR
1 stop5h 42m
American Airlines
Wed 9/235:01 pm
BGR
- MCI
1 stop8h 08m
American Airlines
Deal found 5/12![American Airlines logo]()
$283
This Delta deal was found by Cheapflights users on 5/12. 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.
Wed 5/275:45 pm
STL
- BGR
1 stop4h 48m
Delta
Wed 6/35:05 am
BGR
- STL
1 stop8h 18m
Delta
Deal found 5/12![Delta logo]()
$288
This Delta deal was found by Cheapflights users on 5/12. 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.
Thu 6/119:22 am
STL
- BGR
1 stop5h 59m
Delta
Wed 6/175:05 am
BGR
- STL
2 stops9h 04m
Delta
Deal found 5/12![Delta logo]()
$302
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 May 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 May 13, 2026.
This Delta deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:45 pm
STL
- BGR
1 stop4h 48m
Delta
Wed 6/35:05 am
BGR
- STL
1 stop8h 18m
Delta
Deal found 5/11![Delta logo]()
$288
This Southwest deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/292:55 pm
STL
- PWM
1 stop5h 05m
Southwest
Tue 9/16:15 pm
PWM
- STL
1 stop4h 55m
Southwest
Deal found 5/8![Southwest logo]()
$325
This American Airlines deal was found by Cheapflights users on 5/12. 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.
Wed 6/107:16 am
COU
- BOS
1 stop7h 39m
American Airlines
Sat 6/133:19 pm
BOS
- COU
1 stop7h 05m
American Airlines
Deal found 5/12![American Airlines logo]()
$338
This United Airlines deal was found by Cheapflights users on 5/9. 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 10/148:00 am
MCI
- PWM
1 stop4h 52m
United Airlines
Sat 10/246:00 am
PWM
- MCI
2 stops9h 31m
United Airlines
Deal found 5/9![United Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 5/12. 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.
Sat 10/246:00 am
SGF
- BOS
1 stop8h 03m
Delta
Sat 10/315:45 am
BOS
- SGF
1 stop6h 26m
Delta
Deal found 5/12![Delta logo]()
$305
This Southwest deal was found by Cheapflights users on 5/10. 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 7/144:50 pm
MCI
- PWM
1 stop5h 05m
Southwest
Tue 7/215:30 am
PWM
- MCI
2 stops9h 25m
Southwest
Deal found 5/10![Southwest logo]()
$338
This American Airlines deal was found by Cheapflights users on 5/11. 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 10/177:00 am
COU
- PWM
1 stop5h 22m
American Airlines
Wed 10/217:14 am
PWM
- COU
1 stop4h 53m
American Airlines
Deal found 5/11![American Airlines logo]()
$338
This Delta deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 8/186:06 am
SGF
- PWM
1 stop6h 01m
Delta
Sat 8/226:05 am
PWM
- SGF
1 stop5h 51m
Delta
Deal found 5/13![Delta logo]()
$329
This American Airlines deal was found by Cheapflights users on 5/11. 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.
Tue 6/96:00 am
COU
- PWM
2 stops10h 06m
American Airlines
Mon 6/155:58 pm
PWM
- COU
1 stop5h 48m
American Airlines
Deal found 5/11![American Airlines logo]()
$344
This United Airlines deal was found by Cheapflights users on 5/9. 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 5/271:13 pm
STL
- BGR
1 stop7h 34m
United Airlines
Sat 5/306:10 am
BGR
- STL
2 stops13h 04m
United Airlines
Deal found 5/9![United Airlines logo]()
$383
This Southwest deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:55 pm
STL
- BOS
Nonstop2h 30m
Southwest
Sat 6/63:15 pm
BOS
- STL
2 stops9h 10m
Southwest
Deal found 5/8![Southwest logo]()
$368
This Delta deal was found by Cheapflights users on 5/9. 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.
Fri 10/236:00 am
SGF
- PWM
1 stop5h 18m
Delta
Wed 10/286:00 am
PWM
- SGF
1 stop6h 11m
Delta
Deal found 5/9![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 5/12. 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 5/277:53 am
MCI
- PWM
1 stop5h 33m
United Airlines
Tue 6/23:31 pm
PWM
- MCI
1 stop8h 54m
United Airlines
Deal found 5/12![United Airlines logo]()
$390
This American Airlines deal was found by Cheapflights users on 5/8. 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 5/164:51 pm
MCI
- BGR
1 stop6h 34m
American Airlines
Tue 5/194:59 pm
BGR
- MCI
1 stop6h 50m
American Airlines
Deal found 5/8![American Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 5/10. 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.
Wed 6/109:22 am
STL
- PWM
1 stop6h 27m
Delta
Mon 6/154:45 pm
PWM
- STL
1 stop4h 54m
Delta
Deal found 5/10![Delta logo]()
$343
This United Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 6/1110:48 am
COU
- PWM
2 stops12h 03m
United Airlines
Wed 6/176:00 am
PWM
- COU
1 stop5h 13m
United Airlines
Deal found 5/13![United Airlines logo]()
$395
This Southwest deal was found by Cheapflights users on 5/9. 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.
Sat 6/62:30 pm
STL
- PWM
1 stop5h 30m
Southwest
Sat 6/135:35 am
PWM
- STL
1 stop6h 05m
Southwest
Deal found 5/9![Southwest logo]()
$397
This American Airlines deal was found by Cheapflights users on 5/8. 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.
Sun 6/147:30 am
STL
- BGR
1 stop7h 02m
American Airlines
Thu 6/185:45 am
BGR
- STL
1 stop5h 52m
American Airlines
Deal found 5/8![American Airlines logo]()
$371
This Southwest deal was found by Cheapflights users on 5/12. 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.
Sat 9/125:45 am
STL
- PWM
2 stops8h 15m
Southwest
Sat 9/195:40 am
PWM
- STL
1 stop6h 10m
Southwest
Deal found 5/12![Southwest logo]()
$402
This United Airlines deal was found by Cheapflights users on 5/9. 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 6/61:13 pm
STL
- PWM
2 stops9h 38m
United Airlines
Sat 6/135:00 pm
PWM
- STL
1 stop5h 30m
United Airlines
Deal found 5/9![United Airlines logo]()
$402
This Delta deal was found by Cheapflights users on 5/12. 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.
Wed 5/2712:16 pm
MCI
- BGR
2 stops10h 17m
Delta
Tue 6/25:05 am
BGR
- MCI
1 stop5h 40m
Delta
Deal found 5/12![Delta logo]()
$372
This American Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 8/181:13 pm
SGF
- PWM
2 stops8h 37m
American Airlines
Sat 8/226:00 am
PWM
- SGF
2 stops8h 54m
American Airlines
Deal found 5/13![American Airlines logo]()
$376
This Southwest deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/218:30 am
MCI
- BOS
1 stop7h 20m
Southwest
Tue 7/2811:35 am
BOS
- MCI
1 stop4h 55m
Southwest
Deal found 5/9![Southwest logo]()
$406
This Delta deal was found by Cheapflights users on 5/9. 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.
Sun 5/249:30 am
STL
- BGR
1 stop5h 54m
Delta
Sat 5/303:20 pm
BGR
- STL
2 stops9h 01m
Delta
Deal found 5/9![Delta logo]()
$379
This American Airlines deal was found by Cheapflights users on 5/11. 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.
Wed 8/1212:45 pm
COU
- BOS
2 stops7h 38m
American Airlines
Sat 8/157:25 am
BOS
- COU
1 stop6h 05m
American Airlines
Deal found 5/11![American Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 5/11. 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 6/63:26 pm
MCI
- BGR
1 stop7h 06m
United Airlines
Sat 6/136:00 am
BGR
- MCI
1 stop5h 29m
United Airlines
Deal found 5/11![United Airlines logo]()
$417
This Southwest deal was found by Cheapflights users on 5/12. 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.
Mon 6/87:55 pm
STL
- BOS
Nonstop2h 30m
Southwest
Fri 6/195:35 am
BOS
- STL
Nonstop2h 50m
Southwest
Deal found 5/12![Southwest logo]()
$407
This United Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:45 pm
MCI
- PWM
1 stop5h 06m
United Airlines
Tue 6/92:20 pm
PWM
- MCI
2 stops9h 53m
United Airlines
Deal found 5/12![United Airlines logo]()
$424
This Delta deal was found by Cheapflights users on 5/10. 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 6/169:34 am
MCI
- BOS
Nonstop3h 15m
Delta
Wed 6/176:10 am
BOS
- MCI
Nonstop3h 28m
Delta
Deal found 5/10![Delta logo]()
$391
This American Airlines deal was found by Cheapflights users on 5/8. 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.
Wed 7/156:55 am
STL
- BGR
1 stop15h 02m
American Airlines
Tue 7/216:55 am
BGR
- STL
1 stop7h 58m
American Airlines
Deal found 5/8![American Airlines logo]()
$397
Last-minute flights from Missouri to MaineDiscover last-minute flight deals from Missouri to Maine. Data last updated May 13, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Maine. Data last updated May 13, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/12. 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.
Wed 5/275:45 pm
STL
- BGR
1 stop4h 48m
Delta
Wed 6/35:05 am
BGR
- STL
1 stop8h 18m
Delta
Deal found 5/12![Delta logo]()
$288
This Frontier deal was found by Cheapflights users on 5/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Mon 6/16:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 5/11![Frontier logo]()
$254
This Expedia deal was found by Cheapflights users on 5/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Wed 6/36:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 5/11![Frontier logo]()
$240
This Frontier deal was found by Cheapflights users on 5/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Sat 6/612:01 pm
BOS
- MCI
1 stop6h 28m
Frontier
Deal found 5/11![Frontier logo]()
$238
This Expedia deal was found by Cheapflights users on 5/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Sat 6/66:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 5/10![Frontier logo]()
$224
This Frontier deal was found by Cheapflights users on 5/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:24 pm
MCI
- BOS
1 stop12h 25m
Frontier
Fri 7/316:00 am
BOS
- MCI
1 stop12h 21m
Frontier
Deal found 5/8![Frontier logo]()
$230
This Expedia deal was found by Cheapflights users on 5/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:24 pm
MCI
- BOS
1 stop12h 25m
Frontier
Mon 6/86:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 5/12![Frontier logo]()
$250
This Frontier deal was found by Cheapflights users on 5/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Mon 6/86:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 5/11![Frontier logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/86:24 pm
MCI
- BOS
1 stop12h 28m
Frontier
Sat 6/1312:01 pm
BOS
- MCI
1 stop6h 20m
Frontier
Deal found 5/10![Frontier logo]()
$212
This American Airlines deal was found by Cheapflights users on 5/8. 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.
Mon 6/85:40 pm
STL
- BGR
1 stop5h 05m
American Airlines
Tue 6/164:34 pm
BGR
- STL
1 stop8h 25m
American Airlines
Deal found 5/8![American Airlines logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 6/123:09 pm
MCI
- BOS
1 stop17h 55m
Multiple Airlines
Wed 7/112:01 pm
BOS
- MCI
1 stop6h 20m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$231
This United Airlines deal was found by Cheapflights users on 5/9. 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 6/131:13 pm
STL
- BGR
1 stop7h 34m
United Airlines
Wed 6/177:06 pm
BGR
- STL
1 stop5h 29m
United Airlines
Deal found 5/9![United Airlines logo]()
$272
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 May 13, 2026.
Search for one-way flight options from Missouri to Maine. Find affordable one-way fares based on user searches. Data last updated May 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 6/86:24 pm
MCI
- BOS
1 stop12h 28m
Frontier
Deal found 5/13![Frontier logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 6/56:24 pm
MCI
- BOS
1 stop12h 25m
Frontier
Deal found 5/13![Frontier logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 7/206:16 pm
MCI
- BOS
1 stop12h 30m
Frontier
Deal found 5/9![Frontier logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 6/123:09 pm
MCI
- BOS
1 stop17h 55m
Allegiant Air
Deal found 5/8![Allegiant Air logo]()
$104
This Priceline deal was found by Cheapflights users on 5/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Deal found 5/11![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 6/156:16 pm
MCI
- BOS
1 stop12h 36m
Frontier
Deal found 5/11![Frontier logo]()
$108
This Expedia deal was found by Cheapflights users on 5/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:16 pm
MCI
- BOS
1 stop12h 30m
Frontier
Deal found 5/12![Frontier logo]()
$111
This Frontier deal was found by Cheapflights users on 5/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:33 pm
STL
- BOS
1 stop5h 50m
Frontier
Deal found 5/12![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/35:06 pm
STL
- BOS
2 stops16h 59m
Frontier
Deal found 5/11![Frontier logo]()
$129
This Super.com deal was found by Cheapflights users on 5/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/216:31 pm
STL
- BOS
1 stop12h 21m
Frontier
Deal found 5/10![Frontier logo]()
$130
This Super.com deal was found by Cheapflights users on 5/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:27 pm
STL
- BOS
1 stop6h 57m
Frontier
Deal found 5/11![Frontier logo]()
$132
This Frontier deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/246:33 pm
STL
- BOS
1 stop5h 51m
Frontier
Deal found 5/13![Frontier logo]()
$135
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 May 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $202 (Kiwi.com) |
One-way from | $81 (Kiwi.com) |
Popular in | January |
Cheapest in | March |
Average price | $406 |
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 May 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 5/27
5:45 pm-11:33 pm
1 stop4h 48m
Bangor
Wed 6/3
5:05 am-12:23 pm
1 stop8h 18m
$288
SpringfieldBoston
SGF - BOS
SGFBOS
Springfield-Branson
Sat 10/24
6:00 am-3:03 pm
1 stop8h 03m
Boston Logan Intl
Sat 10/31
5:45 am-11:11 am
1 stop6h 26m
$305
St. LouisPortland
STL - PWM
STLPWM
Lambert-St Louis
Sat 8/29
2:55 pm-9:00 pm
1 stop5h 05m
Portland
Tue 9/1
6:15 pm-10:10 pm
1 stop4h 55m
$325
SpringfieldPortland
SGF - PWM
SGFPWM
Springfield-Branson
Tue 8/18
6:06 am-1:07 pm
1 stop6h 01m
Portland
Sat 8/22
6:05 am-10:56 am
1 stop5h 51m
$329
ColumbiaBoston
COU - BOS
COUBOS
Columbia Regional
Wed 6/10
7:16 am-3:55 pm
1 stop7h 39m
Boston Logan Intl
Sat 6/13
3:19 pm-9:24 pm
1 stop7h 05m
$338
Kansas CityPortland
MCI - PWM
MCIPWM
Kansas City
Tue 7/14
4:50 pm-10:55 pm
1 stop5h 05m
Portland
Tue 7/21
5:30 am-1:55 pm
2 stops9h 25m
$338
ColumbiaPortland
COU - PWM
COUPWM
Columbia Regional
Sat 10/17
7:00 am-1:22 pm
1 stop5h 22m
Portland
Wed 10/21
7:14 am-11:07 am
1 stop4h 53m
$338
SpringfieldPortland
SGF - PWM
SGFPWM
Springfield-Branson
Fri 10/23
6:00 am-12:18 pm
1 stop5h 18m
Portland
Wed 10/28
6:00 am-11:11 am
1 stop6h 11m
$339
St. LouisPortland
STL - PWM
STLPWM
Lambert-St Louis
Wed 6/10
9:22 am-4:49 pm
1 stop6h 27m
Portland
Mon 6/15
4:45 pm-8:39 pm
1 stop4h 54m
$343
ColumbiaPortland
COU - PWM
COUPWM
Columbia Regional
Tue 6/9
6:00 am-5:06 pm
2 stops10h 06m
Portland
Mon 6/15
5:58 pm-10:46 pm
1 stop5h 48m
$344
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
STL-BOS
STL-BGR
STL-PWM
SGF-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
STL-BOS
STL-BGR
STL-PWM
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 36 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Missouri to Maine?
Currently, July is the cheapest month in which you can book a flight from Missouri to Maine (average of $128). 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?
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 May 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.
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
7.9
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
7.9
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
7.9
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
7.9
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
7.9
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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 May 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 May 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$128 | Average$407 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$212 | Average$471 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$258 | Average$455 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$284 | Average$527 | FlexibilityNo cancel fee | On-time63% |