$76+ Cheap flights from Maine to Missouri
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — STL
Jun 2 — Jun 91
Round-trip
1 adult, Economy
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Find cheap flights from Maine to Missouri with Cheapflights
1. Tell us where you want to go
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Cheapest flights from Maine to MissouriExplore the most affordable flight options available from Maine to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 3, 2026.
Explore the most affordable flight options available from Maine to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 3, 2026.
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 5/274:15 pm
BGR
- STL
1 stop6h 06m
United Airlines
Tue 6/21:13 pm
STL
- BGR
1 stop7h 34m
United Airlines
Deal found 5/2![United Airlines logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/2312:01 pm
BOS
- MCI
1 stop6h 28m
Frontier
Wed 5/276:24 pm
MCI
- BOS
2 stops39h 42m
Frontier
Deal found 5/1![Frontier logo]()
$259
This Expedia deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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.
Mon 5/1112:01 pm
BOS
- MCI
1 stop6h 28m
Frontier
Wed 5/136:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Deal found 5/2![Frontier logo]()
$260
This Frontier deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 5/1112:01 pm
BOS
- MCI
1 stop6h 28m
Frontier
Fri 5/226:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Deal found 5/2![Frontier logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 6/86:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Tue 6/161:45 pm
MCI
- BOS
2 stops34h 42m
Frontier
Deal found 5/1![Frontier logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 6/86:00 am
BOS
- MCI
1 stop12h 29m
Multiple Airlines
Wed 6/106:16 pm
MCI
- BOS
2 stops28h 38m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$268
This Frontier deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 6/1212:01 pm
BOS
- MCI
1 stop6h 20m
Frontier
Mon 6/156:16 pm
MCI
- BOS
1 stop6h 11m
Frontier
Deal found 4/29![Frontier logo]()
$270
This deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/612:01 pm
BOS
- MCI
1 stop6h 28m
Frontier
Sat 5/96:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Deal found 4/30![Frontier logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/269:12 am
BOS
- MCI
2 stops29h 37m
Multiple Airlines
Fri 5/293:22 pm
MCI
- BOS
1 stop17h 34m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 6/47:00 am
BOS
- MCI
1 stop27h 29m
Multiple Airlines
Mon 6/86:24 pm
MCI
- BOS
1 stop12h 28m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 6/68:40 am
BOS
- MCI
2 stops9h 49m
Frontier
Wed 6/106:16 pm
MCI
- BOS
1 stop12h 36m
Frontier
Deal found 4/30![Frontier logo]()
$276
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 5/275:05 am
BGR
- STL
2 stops12h 05m
Delta
Tue 6/25:45 pm
STL
- BGR
1 stop4h 48m
Delta
Deal found 5/2![Delta logo]()
$278
Best flights from Maine to MissouriDiscover carefully curated flight deals from Maine to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 3, 2026.
Discover carefully curated flight deals from Maine to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 3, 2026.
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 5/274:15 pm
BGR
- STL
1 stop6h 06m
United Airlines
Tue 6/21:13 pm
STL
- BGR
1 stop7h 34m
United Airlines
Deal found 5/2![United Airlines logo]()
$249
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 5/275:05 am
BGR
- STL
2 stops8h 20m
Delta
Tue 6/21:27 pm
STL
- BGR
2 stops9h 06m
Delta
Deal found 5/2![Delta logo]()
$283
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 7/14:47 pm
BOS
- COU
1 stop6h 59m
American Airlines
Wed 7/87:16 am
COU
- BOS
1 stop5h 18m
American Airlines
Deal found 4/30![American Airlines logo]()
$328
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/303:15 pm
BOS
- STL
Nonstop2h 55m
Southwest
Mon 6/17:40 pm
STL
- BOS
Nonstop2h 30m
Southwest
Deal found 4/28![Southwest logo]()
$353
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:15 pm
BGR
- STL
2 stops10h 23m
Delta
Wed 6/36:45 am
STL
- BGR
2 stops8h 02m
Delta
Deal found 5/2![Delta logo]()
$308
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/284:56 pm
PWM
- STL
1 stop5h 25m
United Airlines
Tue 6/26:00 am
STL
- PWM
1 stop6h 25m
United Airlines
Deal found 4/28![United Airlines logo]()
$315
This Southwest deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 5/236:00 am
BOS
- STL
Nonstop3h 05m
Southwest
Sat 5/306:55 pm
STL
- BOS
Nonstop2h 30m
Southwest
Deal found 5/2![Southwest logo]()
$353
This American Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:57 pm
BGR
- MCI
2 stops8h 26m
American Airlines
Wed 9/235:55 pm
MCI
- BGR
1 stop5h 03m
American Airlines
Deal found 5/3![American Airlines logo]()
$353
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 6/36:00 am
BOS
- JLN
1 stop8h 22m
United Airlines
Wed 6/108:54 am
JLN
- BOS
1 stop6h 35m
United Airlines
Deal found 5/1![United Airlines logo]()
$324
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:00 am
BOS
- SGF
1 stop7h 37m
Delta
Mon 6/16:49 pm
SGF
- BOS
1 stop5h 39m
Delta
Deal found 5/1![Delta logo]()
$329
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 5/274:30 pm
BOS
- SGF
1 stop6h 49m
Delta
Mon 6/16:49 pm
SGF
- BOS
1 stop5h 39m
Delta
Deal found 5/2![Delta logo]()
$329
This Southwest deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/3011:50 am
BOS
- STL
Nonstop2h 55m
Southwest
Thu 6/412:40 pm
STL
- BOS
1 stop5h 40m
Southwest
Deal found 4/30![Southwest logo]()
$363
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 7/226:00 am
BOS
- COU
1 stop5h 13m
United Airlines
Wed 7/2910:49 am
COU
- BOS
2 stops10h 04m
United Airlines
Deal found 5/3![United Airlines logo]()
$334
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/193:15 pm
BGR
- MCI
1 stop7h 09m
American Airlines
Sun 5/245:15 am
MCI
- BGR
1 stop5h 30m
American Airlines
Deal found 4/28![American Airlines logo]()
$404
This Southwest deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/15:50 am
BOS
- STL
Nonstop2h 55m
Southwest
Wed 7/11:15 pm
STL
- BOS
Nonstop2h 35m
Southwest
Deal found 5/2![Southwest logo]()
$374
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/164:35 pm
BOS
- COU
1 stop6h 28m
United Airlines
Wed 5/2011:30 am
COU
- BOS
1 stop6h 56m
United Airlines
Deal found 5/1![United Airlines logo]()
$358
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/173:15 pm
BGR
- MCI
1 stop9h 03m
American Airlines
Sun 5/245:15 am
MCI
- BGR
1 stop5h 30m
American Airlines
Deal found 4/30![American Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/195:10 pm
BGR
- MCI
1 stop6h 26m
Delta
Sun 5/2412:19 pm
MCI
- BGR
2 stops10h 14m
Delta
Deal found 4/29![Delta logo]()
$395
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 5/286:00 am
BOS
- SGF
1 stop5h 42m
United Airlines
Mon 6/16:35 pm
SGF
- BOS
1 stop5h 39m
United Airlines
Deal found 5/2![United Airlines logo]()
$364
This Southwest deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 6/155:35 am
BOS
- STL
Nonstop2h 50m
Southwest
Wed 6/171:45 pm
STL
- BOS
1 stop8h 45m
Southwest
Deal found 4/29![Southwest logo]()
$405
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/246:00 am
PWM
- SGF
1 stop5h 42m
United Airlines
Sat 5/303:07 pm
SGF
- PWM
1 stop5h 44m
United Airlines
Deal found 4/28![United Airlines logo]()
$369
This Southwest deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/275:55 pm
BOS
- STL
Nonstop3h 05m
Southwest
Fri 5/292:30 pm
STL
- BOS
Nonstop2h 35m
Southwest
Deal found 4/30![Southwest logo]()
$417
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/296:00 am
PWM
- SGF
1 stop6h 27m
Delta
Sat 6/612:07 pm
SGF
- PWM
2 stops11h 36m
Delta
Deal found 4/30![Delta logo]()
$429
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 6/97:00 am
BOS
- COU
1 stop15h 24m
American Airlines
Wed 6/106:00 am
COU
- BOS
1 stop11h 50m
American Airlines
Deal found 4/29![American Airlines logo]()
$482
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:00 am
BGR
- STL
1 stop7h 07m
United Airlines
Tue 5/261:13 pm
STL
- BGR
1 stop7h 34m
United Airlines
Deal found 4/28![United Airlines logo]()
$378
This Southwest deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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.
Sun 6/77:20 am
BOS
- STL
1 stop5h 00m
Southwest
Mon 6/87:55 pm
STL
- BOS
Nonstop2h 30m
Southwest
Deal found 5/1![Southwest logo]()
$417
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:02 am
PWM
- SGF
2 stops9h 35m
Delta
Sat 6/612:07 pm
SGF
- PWM
2 stops11h 36m
Delta
Deal found 5/2![Delta logo]()
$434
This American Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 9/197:13 am
PWM
- SGF
1 stop7h 05m
American Airlines
Wed 9/2310:42 am
SGF
- PWM
1 stop5h 13m
American Airlines
Deal found 5/3![American Airlines logo]()
$501
This Southwest deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 7/305:35 am
PWM
- STL
1 stop6h 15m
Southwest
Fri 7/315:20 pm
STL
- PWM
1 stop5h 45m
Southwest
Deal found 5/2![Southwest logo]()
$427
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/292:40 pm
BOS
- JLN
2 stops10h 04m
United Airlines
Fri 6/58:54 am
JLN
- BOS
1 stop7h 35m
United Airlines
Deal found 4/29![United Airlines logo]()
$400
Last-minute flights from Maine to MissouriDiscover last-minute flight deals from Maine to Missouri. Data last updated May 3, 2026 and is based on user searches.
Discover last-minute flight deals from Maine to Missouri. Data last updated May 3, 2026 and is based on user searches.
This deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/612:01 pm
BOS
- MCI
1 stop6h 28m
Frontier
Fri 5/86:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Deal found 4/30![Frontier logo]()
$270
This deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/612:01 pm
BOS
- MCI
1 stop6h 28m
Frontier
Sat 5/96:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Deal found 4/30![Frontier logo]()
$271
This Frontier deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 5/96:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Wed 5/206:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Deal found 5/2![Frontier logo]()
$285
This Expedia deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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.
Mon 5/1112:01 pm
BOS
- MCI
1 stop6h 28m
Frontier
Wed 5/136:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Deal found 5/2![Frontier logo]()
$260
This Frontier deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 5/1112:01 pm
BOS
- MCI
1 stop6h 28m
Frontier
Fri 5/226:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Deal found 5/2![Frontier logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1910:07 am
BOS
- MCI
1 stop24h 22m
Multiple Airlines
Fri 5/296:24 pm
MCI
- BOS
1 stop12h 25m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/2312:01 pm
BOS
- MCI
1 stop6h 28m
Frontier
Wed 5/276:24 pm
MCI
- BOS
2 stops39h 42m
Frontier
Deal found 5/1![Frontier logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 5/239:52 am
PWM
- STL
1 stop15h 05m
Multiple Airlines
Wed 5/275:27 pm
STL
- PWM
2 stops24h 49m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/269:12 am
BOS
- MCI
2 stops29h 37m
Multiple Airlines
Fri 5/293:22 pm
MCI
- BOS
1 stop17h 34m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$274
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 5/274:15 pm
BGR
- STL
1 stop6h 06m
United Airlines
Tue 6/21:13 pm
STL
- BGR
1 stop7h 34m
United Airlines
Deal found 5/2![United Airlines logo]()
$249
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 5/275:05 am
BGR
- STL
2 stops12h 05m
Delta
Tue 6/25:45 pm
STL
- BGR
1 stop4h 48m
Delta
Deal found 5/2![Delta logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:00 am
BOS
- MCI
1 stop27h 29m
Multiple Airlines
Mon 6/16:24 pm
MCI
- BOS
1 stop12h 25m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$275
One-way flights from Maine to MissouriSearch for one-way flight options from Maine to Missouri. Find affordable one-way fares based on user searches. Data last updated May 3, 2026.
Search for one-way flight options from Maine to Missouri. Find affordable one-way fares based on user searches. Data last updated May 3, 2026.
This Trip.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
Wed 6/36:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/29![Frontier logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/2312:01 pm
BOS
- MCI
1 stop6h 28m
Frontier
Deal found 4/29![Frontier logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/269:12 am
BOS
- STL
1 stop24h 43m
Frontier
Deal found 4/29![Frontier logo]()
$82
This Frontier deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/246:00 am
BOS
- STL
1 stop12h 33m
Frontier
Deal found 4/29![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2712:01 pm
BOS
- STL
1 stop30h 32m
Frontier
Deal found 4/30![Frontier logo]()
$89
This Trip.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
Mon 6/86:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/29![Frontier logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 6/16:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 5/1![Frontier logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 6/49:12 am
BOS
- STL
1 stop9h 21m
Frontier
Deal found 5/1![Frontier logo]()
$97
This Frontier deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1612:01 pm
BOS
- MCI
1 stop6h 28m
Frontier
Deal found 4/28![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2712:01 pm
BOS
- MCI
1 stop6h 28m
Frontier
Deal found 5/1![Frontier logo]()
$104
This Super.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1710:07 am
BOS
- STL
1 stop15h 14m
Frontier
Deal found 4/30![Frontier logo]()
$105
This Frontier deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/286:00 am
BOS
- STL
1 stop12h 33m
Frontier
Deal found 4/29![Frontier logo]()
$106
Find flight deals from Maine to Missouri
Keep the following information in mind while searching for Maine to Missouri flight deals. Data was last updated May 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $249 (United Airlines) |
One-way from | $76 (Trip.com) |
Popular in | June |
Cheapest in | September |
Average price | $407 |
Cheapflights Fare Finder
Customize your flight search to find flights from Maine to Missouri that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 3, 2026.
Use the filters below to find and compare flights from Maine to Missouri that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BangorSt. Louis
BGR - STL
BGRSTL
Bangor
Wed 5/27
4:15 pm-9:21 pm
1 stop6h 06m
Lambert-St Louis
Tue 6/2
1:13 pm-9:47 pm
1 stop7h 34m
$249
BangorSt. Louis
BGR - STL
BGRSTL
Bangor
Wed 5/27
5:05 am-12:25 pm
2 stops8h 20m
Lambert-St Louis
Tue 6/2
1:27 pm-11:33 pm
2 stops9h 06m
$283
BangorSt. Louis
BGR - STL
BGRSTL
Bangor
Thu 5/28
12:15 pm-9:38 pm
2 stops10h 23m
Lambert-St Louis
Wed 6/3
6:45 am-3:47 pm
2 stops8h 02m
$308
PortlandSt. Louis
PWM - STL
PWMSTL
Portland
Thu 5/28
4:56 pm-9:21 pm
1 stop5h 25m
Lambert-St Louis
Tue 6/2
6:00 am-1:25 pm
1 stop6h 25m
$315
BostonJoplin
BOS - JLN
BOSJLN
Boston Logan Intl
Wed 6/3
6:00 am-1:22 pm
1 stop8h 22m
Joplin
Wed 6/10
8:54 am-4:29 pm
1 stop6h 35m
$324
BostonColumbia
BOS - COU
BOSCOU
Boston Logan Intl
Wed 7/1
4:47 pm-10:46 pm
1 stop6h 59m
Columbia Regional
Wed 7/8
7:16 am-1:34 pm
1 stop5h 18m
$328
BostonSpringfield
BOS - SGF
BOSSGF
Boston Logan Intl
Thu 5/28
8:00 am-2:37 pm
1 stop7h 37m
Springfield-Branson
Mon 6/1
6:49 pm-1:28 am
1 stop5h 39m
$329
BostonSpringfield
BOS - SGF
BOSSGF
Boston Logan Intl
Wed 5/27
4:30 pm-10:19 pm
1 stop6h 49m
Springfield-Branson
Mon 6/1
6:49 pm-1:28 am
1 stop5h 39m
$329
BostonColumbia
BOS - COU
BOSCOU
Boston Logan Intl
Wed 7/22
6:00 am-10:13 am
1 stop5h 13m
Columbia Regional
Wed 7/29
10:49 am-9:53 pm
2 stops10h 04m
$334
Quickest round-trip
BostonSt. Louis
BOS - STL
BOSSTL
Boston Logan Intl
Sat 5/30
3:15 pm-5:10 pm
Nonstop2h 55m
Lambert-St Louis
Mon 6/1
7:40 pm-11:10 pm
Nonstop2h 30m
$353
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Maine to Missouri
Have a flexible travel schedule? Discover the best time to fly to Missouri from Maine with our price prediction graph.
BOS-SGF
BOS-STL
BGR-MCI
PWM-MCI
BGR-STL
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 Maine to Missouri
USME-USMO
BOS-SGF
BOS-STL
BGR-MCI
PWM-MCI
What is the cheapest month to book a flight from Maine to Missouri?
Currently, October is the cheapest month in which you can book a flight from Maine to Missouri (average of $142). Flying from Maine to Missouri in January is currently the most expensive (average of $322). 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 Maine to Missouri?
Reviews of airlines servicing Missouri
Get insights into the airlines that provide service to Missouri. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Missouri. Reviews last updated May 3, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Maine to Missouri to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
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 Maine to Missouri. 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 Maine to Missouri
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Missouri by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Maine to Missouri by cabin class
Find flights from Maine to Missouri, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Maine and Missouri flights
Browse other Maine and Missouri flight options. Last updated on May 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Missouri
Find the right flight back to Maine after your stay in Missouri
Maine to Missouri flights
Consider these flights traveling from Maine to Missouri.
Top 4 airlines flying from Maine to Missouri
Discover the top 4 airlines that operate flights from Maine to Missouri. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$236 | Average$388 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$237 | Average$437 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$243 | Average$449 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$254 | Average$428 | FlexibilityNo cancel fee | On-time69% |