$76+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PWM
May 30 — Jun 61
Round-trip
1 adult, Economy
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Find cheap flights from Missouri to Maine with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 30, 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 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:24 pm
MCI
- BOS
1 stop12h 25m
Frontier
Fri 6/56:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/26![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:24 pm
MCI
- BOS
1 stop12h 25m
Frontier
Sat 6/66:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/26![Frontier logo]()
$178
This Frontier deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Wed 5/2012:01 pm
BOS
- MCI
1 stop6h 28m
Frontier
Deal found 4/27![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/106:16 pm
MCI
- BOS
1 stop12h 36m
Frontier
Wed 6/176:00 am
BOS
- MCI
1 stop12h 21m
Frontier
Deal found 4/25![Frontier logo]()
$193
This Frontier deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Sat 5/166:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/27![Frontier logo]()
$200
This Expedia deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Wed 5/206:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/27![Frontier logo]()
$205
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.
Wed 6/36:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Sat 6/66:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/28![Frontier logo]()
$210
This American Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:00 am
STL
- BGR
1 stop4h 45m
American Airlines
Wed 6/34:34 pm
BGR
- STL
1 stop8h 25m
American Airlines
Deal found 4/27![American Airlines logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/86:24 pm
MCI
- BOS
1 stop12h 28m
Frontier
Fri 6/126:00 am
BOS
- MCI
1 stop12h 21m
Frontier
Deal found 4/26![Frontier logo]()
$213
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.
Mon 7/206:16 pm
MCI
- BOS
1 stop12h 30m
Frontier
Wed 7/2912:04 pm
BOS
- MCI
1 stop6h 17m
Frontier
Deal found 4/29![Frontier logo]()
$216
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.
Sat 10/2410:54 am
STL
- BGR
1 stop4h 47m
American Airlines
Wed 10/285:53 am
BGR
- STL
1 stop8h 02m
American Airlines
Deal found 4/28![American Airlines logo]()
$239
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/71:13 pm
STL
- BGR
2 stops9h 02m
United Airlines
Tue 7/147:15 pm
BGR
- STL
1 stop5h 21m
United Airlines
Deal found 4/27![United Airlines logo]()
$244
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 30, 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 30, 2026.
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.
Wed 5/271:59 pm
STL
- BGR
2 stops8h 34m
Delta
Wed 6/35:05 am
BGR
- STL
1 stop8h 18m
Delta
Deal found 4/29![Delta logo]()
$278
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.
Wed 5/271:03 pm
MCI
- BGR
1 stop7h 44m
United Airlines
Tue 6/26:00 am
BGR
- MCI
1 stop5h 29m
United Airlines
Deal found 4/28![United Airlines logo]()
$306
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.
Mon 6/85:40 pm
STL
- BGR
1 stop5h 05m
American Airlines
Tue 6/165:45 am
BGR
- STL
1 stop5h 52m
American Airlines
Deal found 4/29![American Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/23:10 pm
MCI
- PWM
1 stop5h 00m
Southwest
Sun 9/66:10 am
PWM
- MCI
1 stop5h 10m
Southwest
Deal found 4/26![Southwest logo]()
$380
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1010:20 am
STL
- PWM
1 stop4h 35m
Delta
Tue 6/236:57 pm
PWM
- STL
1 stop5h 59m
Delta
Deal found 4/28![Delta logo]()
$299
This United Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/291:13 pm
STL
- BGR
2 stops9h 02m
United Airlines
Wed 8/57:15 pm
BGR
- STL
1 stop5h 30m
United Airlines
Deal found 4/25![United Airlines logo]()
$325
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 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 4/28![American Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/233:25 pm
COU
- BOS
1 stop5h 31m
United Airlines
Sat 5/306:00 am
BOS
- COU
1 stop5h 18m
United Airlines
Deal found 4/25![United Airlines logo]()
$328
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:45 pm
SGF
- BOS
1 stop5h 21m
Delta
Wed 10/76:55 am
BOS
- SGF
1 stop8h 55m
Delta
Deal found 4/26![Delta logo]()
$349
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.
Sat 9/57:15 am
SGF
- PWM
1 stop7h 12m
American Airlines
Sat 9/124:03 pm
PWM
- SGF
1 stop5h 22m
American Airlines
Deal found 4/30![American Airlines logo]()
$354
This Southwest deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/65:30 pm
MCI
- PWM
1 stop5h 10m
Southwest
Sat 6/135:35 am
PWM
- MCI
1 stop5h 15m
Southwest
Deal found 4/26![Southwest logo]()
$407
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/106:00 am
SGF
- PWM
2 stops9h 49m
Delta
Wed 6/176:00 am
PWM
- SGF
1 stop5h 52m
Delta
Deal found 4/25![Delta logo]()
$354
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/128:00 am
COU
- BOS
1 stop7h 16m
United Airlines
Sat 5/166:00 am
BOS
- COU
1 stop5h 55m
United Airlines
Deal found 4/27![United Airlines logo]()
$358
This American Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:00 am
COU
- BOS
2 stops9h 18m
American Airlines
Sat 5/167:47 am
BOS
- COU
2 stops9h 11m
American Airlines
Deal found 4/27![American Airlines logo]()
$369
This Southwest deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/22:30 pm
STL
- PWM
2 stops7h 05m
Southwest
Wed 6/101:05 pm
PWM
- STL
2 stops6h 20m
Southwest
Deal found 4/26![Southwest logo]()
$409
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.
Wed 8/193:42 pm
STL
- PWM
1 stop5h 51m
Delta
Mon 8/246:00 am
PWM
- STL
1 stop7h 53m
Delta
Deal found 4/29![Delta logo]()
$363
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.
Wed 5/271:35 pm
MCI
- BGR
1 stop7h 14m
American Airlines
Sun 5/317:20 am
BGR
- MCI
1 stop6h 27m
American Airlines
Deal found 4/29![American Airlines logo]()
$371
This Southwest deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1610:35 am
STL
- BOS
Nonstop2h 35m
Southwest
Tue 5/265:45 am
BOS
- STL
Nonstop3h 00m
Southwest
Deal found 4/24![Southwest logo]()
$435
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/206:21 am
STL
- PWM
1 stop6h 20m
Delta
Wed 6/244:45 pm
PWM
- STL
1 stop4h 54m
Delta
Deal found 4/26![Delta logo]()
$363
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/105:00 am
COU
- BOS
2 stops8h 40m
United Airlines
Sat 6/136:00 am
BOS
- COU
1 stop5h 48m
United Airlines
Deal found 4/26![United Airlines logo]()
$402
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 6/25:21 pm
MCI
- PWM
1 stop5h 30m
American Airlines
Wed 6/101:36 pm
PWM
- MCI
2 stops9h 23m
American Airlines
Deal found 4/29![American Airlines logo]()
$375
This Southwest deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3011:20 am
MCI
- BOS
1 stop6h 15m
Southwest
Tue 10/135:35 am
BOS
- MCI
1 stop6h 45m
Southwest
Deal found 4/25![Southwest logo]()
$439
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.
Wed 8/193:42 pm
STL
- PWM
1 stop5h 51m
Delta
Sat 8/226:00 am
PWM
- STL
1 stop7h 53m
Delta
Deal found 4/29![Delta logo]()
$363
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/163:10 pm
COU
- BOS
1 stop5h 49m
United Airlines
Mon 5/186:00 am
BOS
- COU
1 stop5h 55m
United Airlines
Deal found 4/26![United Airlines logo]()
$418
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.
Wed 7/82:11 pm
SGF
- BGR
1 stop7h 46m
American Airlines
Tue 7/146:54 am
BGR
- SGF
1 stop7h 44m
American Airlines
Deal found 4/29![American Airlines logo]()
$391
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 5/59:36 am
MCI
- BGR
1 stop5h 43m
Delta
Sat 5/96:00 am
BGR
- MCI
1 stop5h 51m
Delta
Deal found 4/29![Delta logo]()
$367
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 6/278:45 pm
STL
- BOS
Nonstop2h 30m
Southwest
Mon 6/293:55 pm
BOS
- STL
2 stops6h 05m
Southwest
Deal found 4/28![Southwest logo]()
$451
This United Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:00 am
STL
- BOS
1 stop6h 12m
United Airlines
Wed 6/35:00 pm
BOS
- STL
1 stop5h 16m
United Airlines
Deal found 4/25![United Airlines logo]()
$427
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:15 am
MCI
- BGR
1 stop6h 22m
Delta
Mon 5/115:10 pm
BGR
- MCI
1 stop6h 26m
Delta
Deal found 4/26![Delta logo]()
$373
This Southwest deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/136:05 pm
MCI
- PWM
1 stop5h 00m
Southwest
Fri 7/175:35 am
PWM
- MCI
2 stops7h 25m
Southwest
Deal found 4/27![Southwest logo]()
$452
Last-minute flights from Missouri to MaineDiscover last-minute flight deals from Missouri to Maine. Data last updated April 30, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Maine. Data last updated April 30, 2026 and is based on user searches.
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.
Wed 5/66:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Wed 5/136:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/28![Frontier logo]()
$225
This CheapOair deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 4/25![Frontier logo]()
$241
This Expedia deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Wed 5/206:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/27![Frontier logo]()
$205
This Frontier deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Wed 5/2012:01 pm
BOS
- MCI
1 stop6h 28m
Frontier
Deal found 4/27![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Sat 5/166:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/27![Frontier logo]()
$200
This Expedia deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia 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 4/26![Frontier logo]()
$245
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/186:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Wed 5/2712:01 pm
BOS
- MCI
1 stop6h 28m
Frontier
Deal found 4/29![Frontier logo]()
$231
This American Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:00 am
STL
- BGR
1 stop4h 45m
American Airlines
Wed 6/34:34 pm
BGR
- STL
1 stop8h 25m
American Airlines
Deal found 4/27![American Airlines logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/272:34 pm
MCI
- BOS
2 stops43h 32m
Frontier
Wed 6/36:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/27![Frontier logo]()
$237
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 stops12h 05m
Delta
Deal found 4/27![Delta logo]()
$262
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 5/296:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Mon 6/16:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/29![Frontier logo]()
$210
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 5/306:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Mon 6/16:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/28![Frontier logo]()
$230
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 30, 2026.
Search for one-way flight options from Missouri to Maine. Find affordable one-way fares based on user searches. Data last updated April 30, 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.
Mon 6/16:24 pm
MCI
- BOS
1 stop12h 25m
Frontier
Deal found 4/29![Frontier logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 4/27![Frontier logo]()
$86
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.
Wed 6/106:16 pm
MCI
- BOS
1 stop12h 36m
Frontier
Deal found 4/28![Frontier logo]()
$99
This Expedia 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 Expedia 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 4/29![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/136:16 pm
MCI
- BOS
1 stop12h 36m
Frontier
Deal found 4/27![Frontier logo]()
$104
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 5/296:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Deal found 4/29![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.
Wed 5/276:24 pm
MCI
- BOS
1 stop12h 25m
Frontier
Deal found 4/29![Frontier logo]()
$111
This American Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/95:40 pm
STL
- BGR
1 stop5h 05m
American Airlines
Deal found 4/25![American Airlines logo]()
$129
This Expedia deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/116:31 pm
STL
- BOS
1 stop12h 21m
Frontier
Deal found 4/27![Frontier logo]()
$131
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.
Wed 5/275:27 pm
STL
- BOS
1 stop13h 22m
Frontier
Deal found 4/29![Frontier logo]()
$132
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.
Thu 5/286:33 pm
STL
- BOS
2 stops15h 33m
Frontier
Deal found 4/29![Frontier logo]()
$133
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 6/236:31 pm
STL
- BOS
2 stops15h 34m
Frontier
Deal found 4/29![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 April 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $158 (Kiwi.com) |
One-way from | $76 (Trip.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 April 30, 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
1:59 pm-11:33 pm
2 stops8h 34m
Bangor
Wed 6/3
5:05 am-12:23 pm
1 stop8h 18m
$278
St. LouisPortland
STL - PWM
STLPWM
Lambert-St Louis
Wed 6/10
10:20 am-3:55 pm
1 stop4h 35m
Portland
Tue 6/23
6:57 pm-11:56 pm
1 stop5h 59m
$299
Kansas CityBangor
MCI - BGR
MCIBGR
Kansas City
Wed 5/27
1:03 pm-9:47 pm
1 stop7h 44m
Bangor
Tue 6/2
6:00 am-10:29 am
1 stop5h 29m
$306
St. LouisBangor
STL - BGR
STLBGR
Lambert-St Louis
Mon 6/29
1:13 pm-11:15 pm
2 stops9h 02m
Bangor
Wed 8/5
7:15 pm-11:45 pm
1 stop5h 30m
$325
ColumbiaBoston
COU - BOS
COUBOS
Columbia Regional
Sat 5/23
3:25 pm-9:56 pm
1 stop5h 31m
Boston Logan Intl
Sat 5/30
6:00 am-10:18 am
1 stop5h 18m
$328
St. LouisBangor
STL - BGR
STLBGR
Lambert-St Louis
Mon 6/8
5:40 pm-11:45 pm
1 stop5h 05m
Bangor
Tue 6/16
5:45 am-10:37 am
1 stop5h 52m
$329
SpringfieldPortland
SGF - PWM
SGFPWM
Springfield-Branson
Tue 8/18
3:01 pm-10:00 pm
1 stop5h 59m
Portland
Sat 8/22
7:27 am-12:49 pm
1 stop6h 22m
$349
SpringfieldBoston
SGF - BOS
SGFBOS
Springfield-Branson
Mon 9/28
6:45 pm-1:06 am
1 stop5h 21m
Boston Logan Intl
Wed 10/7
6:55 am-2:50 pm
1 stop8h 55m
$349
SpringfieldPortland
SGF - PWM
SGFPWM
Springfield-Branson
Sat 9/5
7:15 am-3:27 pm
1 stop7h 12m
Portland
Sat 9/12
4:03 pm-8:25 pm
1 stop5h 22m
$354
SpringfieldPortland
SGF - PWM
SGFPWM
Springfield-Branson
Wed 6/10
6:00 am-4:49 pm
2 stops9h 49m
Portland
Wed 6/17
6:00 am-10:52 am
1 stop5h 52m
$354
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Missouri to Maine
Have a flexible travel schedule? Discover the best time to fly to Maine from Missouri with our price prediction graph.
MCI-BOS
STL-BGR
STL-BOS
MCI-BGR
MCI-PWM
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Missouri to Maine
USMO-USME
MCI-BOS
STL-BGR
STL-BOS
MCI-BGR
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 April 30, 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.
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
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 April 30, 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 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$128 | Average$402 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$212 | Average$473 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$258 | Average$452 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$284 | Average$524 | FlexibilityNo cancel fee | On-time63% |