$79+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PWM
May 18 — May 251
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 April 18, 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 April 18, 2026.
This Expedia deal was found by Cheapflights users on 4/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Wed 5/206:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/13![Frontier logo]()
$160
This CheapOair deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Sat 5/912:01 pm
BOS
- MCI
1 stop6h 28m
Frontier
Deal found 4/14![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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 5/296:24 pm
MCI
- BOS
1 stop12h 25m
Frontier
Sat 6/66:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/15![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 stop30h 00m
Frontier
Fri 6/126:00 am
BOS
- MCI
1 stop12h 21m
Frontier
Deal found 4/16![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 4/13. 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 5/136:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Fri 5/156:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/13![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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
Mon 6/86:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/14![Frontier logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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 5/296:24 pm
MCI
- BOS
2 stops26h 18m
Multiple Airlines
Sat 6/66:00 am
BOS
- MCI
1 stop12h 29m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 7/206:19 pm
MCI
- BOS
1 stop30h 08m
Frontier
Wed 7/296:00 am
BOS
- MCI
1 stop12h 24m
Frontier
Deal found 4/14![Frontier logo]()
$202
This Frontier deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 5/156:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Mon 5/186:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/14![Frontier logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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 5/306:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Fri 6/512:01 pm
BOS
- MCI
1 stop6h 28m
Frontier
Deal found 4/17![Frontier logo]()
$208
This American Airlines deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:40 pm
STL
- BGR
1 stop5h 05m
American Airlines
Wed 6/32:22 pm
BGR
- STL
1 stop5h 38m
American Airlines
Deal found 4/18![American Airlines logo]()
$211
This Delta deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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
2 stops8h 15m
Delta
Deal found 4/15![Delta 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 April 18, 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 April 18, 2026.
This American Airlines deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:21 pm
MCI
- BGR
1 stop5h 24m
American Airlines
Tue 6/25:45 am
BGR
- MCI
1 stop8h 07m
American Airlines
Deal found 4/18![American Airlines logo]()
$283
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:00 am
MCI
- PWM
1 stop5h 38m
Delta
Wed 5/206:00 am
PWM
- MCI
1 stop8h 59m
Delta
Deal found 4/17![Delta logo]()
$313
This United Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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 8/1211:30 am
COU
- BOS
1 stop5h 06m
United Airlines
Sat 8/157:10 am
BOS
- COU
1 stop8h 20m
United Airlines
Deal found 4/15![United Airlines logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/204:59 pm
SGF
- BGR
1 stop23h 30m
Allegiant Air
Thu 8/277:08 pm
BGR
- SGF
1 stop15h 25m
Allegiant Air
Deal found 4/16![Allegiant Air logo]()
$340
This Southwest deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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 8/126:30 am
STL
- BOS
1 stop4h 45m
Southwest
Sat 8/155:30 am
BOS
- STL
Nonstop2h 50m
Southwest
Deal found 4/15![Southwest logo]()
$354
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 5/271:59 pm
STL
- BGR
2 stops8h 34m
Delta
Wed 6/35:05 am
BGR
- STL
1 stop8h 18m
Delta
Deal found 4/16![Delta logo]()
$318
This American Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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 7/115:48 pm
STL
- BGR
1 stop5h 09m
American Airlines
Tue 7/144:18 pm
BGR
- STL
1 stop8h 39m
American Airlines
Deal found 4/15![American Airlines logo]()
$323
This Delta deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 6/212:21 pm
MCI
- BGR
2 stops10h 12m
Delta
Sun 6/75:05 am
BGR
- MCI
1 stop5h 31m
Delta
Deal found 4/14![Delta logo]()
$321
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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 5/13:10 pm
COU
- BOS
1 stop5h 49m
United Airlines
Mon 5/47:30 am
BOS
- COU
1 stop8h 02m
United Airlines
Deal found 4/17![United Airlines logo]()
$358
This Southwest deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/294:00 pm
STL
- PWM
1 stop6h 25m
Southwest
Tue 6/26:10 am
PWM
- STL
2 stops7h 40m
Southwest
Deal found 4/17![Southwest logo]()
$368
This American Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 9/59:31 am
SGF
- PWM
1 stop8h 22m
American Airlines
Sat 9/124:03 pm
PWM
- SGF
1 stop5h 22m
American Airlines
Deal found 4/14![American Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 4/13. 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.
Wed 9/93:30 pm
SGF
- BOS
1 stop8h 36m
Delta
Tue 9/159:05 am
BOS
- SGF
1 stop6h 40m
Delta
Deal found 4/13![Delta logo]()
$322
This United Airlines deal was found by Cheapflights users on 4/13. 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.
Tue 4/288:00 am
COU
- BOS
2 stops9h 19m
United Airlines
Sat 5/26:00 am
BOS
- COU
1 stop5h 55m
United Airlines
Deal found 4/13![United Airlines logo]()
$364
This Southwest deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 6/15:35 pm
MCI
- PWM
1 stop4h 50m
Southwest
Thu 6/45:20 pm
PWM
- MCI
2 stops8h 10m
Southwest
Deal found 4/16![Southwest logo]()
$372
This American Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 8/183:01 pm
SGF
- PWM
1 stop5h 59m
American Airlines
Sat 8/227:27 am
PWM
- SGF
1 stop6h 22m
American Airlines
Deal found 4/16![American Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 4/2911:30 am
COU
- BOS
2 stops9h 24m
United Airlines
Sun 5/36:00 am
BOS
- COU
1 stop5h 57m
United Airlines
Deal found 4/14![United Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/121:20 pm
MCI
- BGR
2 stops9h 15m
Delta
Tue 6/165:00 pm
BGR
- MCI
1 stop6h 28m
Delta
Deal found 4/17![Delta logo]()
$341
This Southwest deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/167:10 pm
STL
- BOS
Nonstop2h 30m
Southwest
Sat 6/205:50 am
BOS
- STL
Nonstop2h 55m
Southwest
Deal found 4/17![Southwest logo]()
$389
This United Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 5/15:00 am
COU
- BOS
1 stop5h 01m
United Airlines
Tue 5/55:45 am
BOS
- COU
2 stops9h 47m
United Airlines
Deal found 4/16![United Airlines logo]()
$364
This American Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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 5/76:00 am
COU
- BOS
1 stop7h 26m
American Airlines
Wed 5/134:32 pm
BOS
- COU
1 stop5h 57m
American Airlines
Deal found 4/15![American Airlines logo]()
$371
This Delta deal was found by Cheapflights users on 4/13. 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.
Mon 6/85:40 pm
STL
- BGR
1 stop4h 55m
Delta
Tue 6/165:05 am
BGR
- STL
2 stops8h 29m
Delta
Deal found 4/13![Delta logo]()
$344
This Southwest deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 5/126:50 pm
STL
- BOS
Nonstop2h 30m
Southwest
Thu 5/145:40 am
BOS
- STL
Nonstop3h 00m
Southwest
Deal found 4/14![Southwest logo]()
$389
This United Airlines deal was found by Cheapflights users on 4/13. 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.
Wed 5/273:16 pm
MCI
- BGR
1 stop5h 40m
United Airlines
Tue 6/26:10 am
BGR
- MCI
2 stops10h 50m
United Airlines
Deal found 4/13![United Airlines logo]()
$371
This American Airlines deal was found by Cheapflights users on 4/13. 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.
Sat 6/65:14 pm
STL
- PWM
1 stop6h 26m
American Airlines
Sat 6/137:23 pm
PWM
- STL
1 stop5h 33m
American Airlines
Deal found 4/13![American Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 4/13. 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.
Sat 9/126:00 am
SGF
- BOS
1 stop6h 54m
Delta
Wed 9/163:10 pm
BOS
- SGF
1 stop8h 19m
Delta
Deal found 4/13![Delta logo]()
$347
This Southwest deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:05 pm
MCI
- PWM
1 stop5h 00m
Southwest
Sun 6/75:30 am
PWM
- MCI
1 stop5h 30m
Southwest
Deal found 4/17![Southwest logo]()
$407
This United Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 9/197:10 pm
MCI
- BGR
2 stops14h 53m
United Airlines
Wed 9/239:15 am
BGR
- MCI
1 stop7h 37m
United Airlines
Deal found 4/14![United Airlines logo]()
$378
This American Airlines deal was found by Cheapflights users on 4/13. 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.
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 4/13![American Airlines logo]()
$383
This Delta deal was found by Cheapflights users on 4/13. 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 8/183:30 pm
SGF
- PWM
1 stop6h 03m
Delta
Sat 8/226:00 am
PWM
- SGF
2 stops9h 45m
Delta
Deal found 4/13![Delta logo]()
$354
This Southwest deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 5/47:40 pm
STL
- BOS
Nonstop2h 30m
Southwest
Thu 5/75:40 am
BOS
- STL
Nonstop3h 00m
Southwest
Deal found 4/14![Southwest logo]()
$414
Last-minute flights from Missouri to MaineDiscover last-minute flight deals from Missouri to Maine. Data last updated April 18, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Maine. Data last updated April 18, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Sat 5/912:01 pm
BOS
- MCI
1 stop6h 28m
Frontier
Deal found 4/14![Frontier logo]()
$171
This Expedia deal was found by Cheapflights users on 4/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Wed 5/206:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/13![Frontier logo]()
$160
This Frontier deal was found by Cheapflights users on 4/13. 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 5/136:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Fri 5/156:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/13![Frontier logo]()
$185
This Frontier deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 5/156:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Mon 5/186:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/14![Frontier logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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 5/226:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Mon 5/256:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/17![Frontier logo]()
$209
This American Airlines deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:40 pm
STL
- BGR
1 stop5h 05m
American Airlines
Wed 6/32:22 pm
BGR
- STL
1 stop5h 38m
American Airlines
Deal found 4/18![American Airlines logo]()
$211
This Delta deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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
2 stops8h 15m
Delta
Deal found 4/15![Delta logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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 5/296:24 pm
MCI
- BOS
1 stop12h 25m
Frontier
Sat 6/66:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/15![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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 5/296:24 pm
MCI
- BOS
2 stops26h 18m
Multiple Airlines
Sat 6/66:00 am
BOS
- MCI
1 stop12h 29m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$200
This Frontier deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 6/112:01 pm
BOS
- MCI
1 stop6h 28m
Frontier
Deal found 4/14![Frontier logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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 5/306:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Fri 6/512:01 pm
BOS
- MCI
1 stop6h 28m
Frontier
Deal found 4/17![Frontier logo]()
$208
This Frontier deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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 5/306:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Mon 6/112:01 pm
BOS
- MCI
1 stop6h 28m
Frontier
Deal found 4/17![Frontier logo]()
$211
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 April 18, 2026.
Search for one-way flight options from Missouri to Maine. Find affordable one-way fares based on user searches. Data last updated April 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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 5/156:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Deal found 4/17![Frontier logo]()
$79
This Expedia deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 5/136:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Deal found 4/14![Frontier logo]()
$80
This Frontier deal was found by Cheapflights users on 4/13. 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.
Tue 5/56:41 pm
STL
- BOS
1 stop5h 43m
Frontier
Deal found 4/13![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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 6/16:24 pm
MCI
- BOS
1 stop30h 00m
Frontier
Deal found 4/15![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 8/316:19 pm
MCI
- BOS
1 stop12h 33m
Frontier
Deal found 4/16![Frontier logo]()
$89
This Trip.com deal was found by Cheapflights users on 4/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/126:16 pm
MCI
- BOS
1 stop12h 32m
Frontier
Deal found 4/13![Frontier logo]()
$97
This Frontier deal was found by Cheapflights users on 4/13. 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.
Thu 5/286:33 pm
STL
- BOS
1 stop5h 51m
Frontier
Deal found 4/13![Frontier logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 5/166:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Deal found 4/16![Frontier logo]()
$104
This Frontier deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 6/106:16 pm
MCI
- BOS
1 stop6h 11m
Frontier
Deal found 4/14![Frontier logo]()
$105
This Orbitz deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:53 am
MCI
- BOS
1 stop12h 38m
Frontier
Deal found 4/15![Frontier logo]()
$106
This Trip.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/88:23 pm
SGF
- BOS
1 stop11h 49m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 6/276:16 pm
MCI
- BOS
1 stop12h 36m
Frontier
Deal found 4/14![Frontier logo]()
$113
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 April 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $160 (Expedia) |
One-way from | $79 (Kiwi.com) |
Popular in | January |
Cheapest in | March |
Average price | $512 |
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 April 18, 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
Kansas CityBangor
MCI - BGR
MCIBGR
Kansas City
Wed 5/27
5:21 pm-11:45 pm
1 stop5h 24m
Bangor
Tue 6/2
5:45 am-12:52 pm
1 stop8h 07m
$283
Kansas CityPortland
MCI - PWM
MCIPWM
Kansas City
Tue 5/12
6:00 am-12:38 pm
1 stop5h 38m
Portland
Wed 5/20
6:00 am-1:59 pm
1 stop8h 59m
$313
St. LouisBangor
STL - BGR
STLBGR
Lambert-St Louis
Wed 5/27
1:59 pm-11:33 pm
2 stops8h 34m
Bangor
Wed 6/3
5:05 am-12:23 pm
1 stop8h 18m
$318
Kansas CityBangor
MCI - BGR
MCIBGR
Kansas City
Tue 6/2
12:21 pm-11:33 pm
2 stops10h 12m
Bangor
Sun 6/7
5:05 am-9:36 am
1 stop5h 31m
$321
SpringfieldBoston
SGF - BOS
SGFBOS
Springfield-Branson
Wed 9/9
3:30 pm-1:06 am
1 stop8h 36m
Boston Logan Intl
Tue 9/15
9:05 am-2:45 pm
1 stop6h 40m
$322
St. LouisBangor
STL - BGR
STLBGR
Lambert-St Louis
Sat 7/11
5:48 pm-11:57 pm
1 stop5h 09m
Bangor
Tue 7/14
4:18 pm-11:57 pm
1 stop8h 39m
$323
ColumbiaBoston
COU - BOS
COUBOS
Columbia Regional
Wed 8/12
11:30 am-5:36 pm
1 stop5h 06m
Boston Logan Intl
Sat 8/15
7:10 am-2:30 pm
1 stop8h 20m
$328
SpringfieldBangor
SGF - BGR
SGFBGR
Springfield-Branson
Thu 8/20
4:59 pm-5:29 pm
1 stop23h 30m
Bangor
Thu 8/27
7:08 pm-9:33 am
1 stop15h 25m
$340
Kansas CityBangor
MCI - BGR
MCIBGR
Kansas City
Fri 6/12
1:20 pm-11:35 pm
2 stops9h 15m
Bangor
Tue 6/16
5:00 pm-10:28 pm
1 stop6h 28m
$341
St. LouisBangor
STL - BGR
STLBGR
Lambert-St Louis
Mon 6/8
5:40 pm-11:35 pm
1 stop4h 55m
Bangor
Tue 6/16
5:05 am-12:34 pm
2 stops8h 29m
$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-BGR
MCI-BOS
MCI-PWM
COU-BOS
STL-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-BGR
MCI-BOS
MCI-PWM
COU-BOS
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 April 18, 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.
Food
7.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
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
Toggle through the tabs below to find thousands of 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 April 18, 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 April 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$128 | Average$391 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$201 | Average$446 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$258 | Average$454 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$284 | Average$514 | FlexibilityNo cancel fee | On-time63% |