$65+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PWM
May 9 — May 161
Round-trip
1 adult, Economy
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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 9, 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 9, 2026.
This American Airlines deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:11 pm
MCI
- BGR
1 stop5h 43m
American Airlines
Sat 9/125:01 pm
BGR
- MCI
1 stop8h 08m
American Airlines
Deal found 4/8![American Airlines logo]()
$283
This Delta deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:00 am
SGF
- BOS
1 stop6h 49m
Delta
Sat 10/315:45 pm
BOS
- SGF
1 stop5h 47m
Delta
Deal found 4/6![Delta logo]()
$295
This Delta deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/105:40 pm
STL
- PWM
1 stop4h 49m
Delta
Tue 6/236:57 pm
PWM
- STL
1 stop5h 59m
Delta
Deal found 4/8![Delta logo]()
$299
This Southwest deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 6/233:15 pm
STL
- PWM
2 stops6h 40m
Southwest
Tue 6/307:10 pm
PWM
- STL
1 stop4h 50m
Southwest
Deal found 4/6![Southwest logo]()
$304
This Delta deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:04 pm
MCI
- BGR
2 stops10h 24m
Delta
Tue 9/294:50 pm
BGR
- MCI
1 stop6h 37m
Delta
Deal found 4/8![Delta logo]()
$308
This United Airlines deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 5/126:17 am
MCI
- PWM
1 stop6h 57m
United Airlines
Wed 5/206:00 am
PWM
- MCI
1 stop5h 33m
United Airlines
Deal found 4/6![United Airlines logo]()
$313
This Delta deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:00 am
SGF
- BOS
1 stop5h 41m
Delta
Sat 9/128:00 am
BOS
- SGF
1 stop7h 45m
Delta
Deal found 4/8![Delta logo]()
$315
This Delta deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:45 pm
STL
- BGR
1 stop4h 48m
Delta
Wed 6/35:05 am
BGR
- STL
1 stop8h 18m
Delta
Deal found 4/6![Delta logo]()
$319
This Delta deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” 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 5/196:52 pm
SGF
- BOS
1 stop5h 31m
Delta
Thu 5/288:00 am
BOS
- SGF
1 stop7h 37m
Delta
Deal found 4/4![Delta logo]()
$320
This United Airlines deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/510:25 am
STL
- PWM
2 stops7h 39m
United Airlines
Mon 5/114:50 pm
PWM
- STL
1 stop5h 23m
United Airlines
Deal found 4/8![United Airlines logo]()
$320
This Delta deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 9/86:00 am
SGF
- BOS
1 stop5h 41m
Delta
Wed 9/164:20 pm
BOS
- SGF
1 stop7h 09m
Delta
Deal found 4/6![Delta logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/510:35 am
MCI
- PWM
1 stop21h 37m
Multiple Airlines
Sun 6/77:56 pm
PWM
- MCI
2 stops22h 33m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$323
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 9, 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 9, 2026.
This Southwest deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 6/233:15 pm
STL
- PWM
2 stops6h 40m
Southwest
Tue 6/307:10 pm
PWM
- STL
1 stop4h 50m
Southwest
Deal found 4/6![Southwest logo]()
$304
This Delta deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:45 pm
STL
- BGR
1 stop4h 48m
Delta
Wed 6/35:05 am
BGR
- STL
1 stop8h 18m
Delta
Deal found 4/6![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 5/82:28 pm
JLN
- BOS
1 stop8h 31m
United Airlines
Sun 5/107:30 am
BOS
- JLN
1 stop7h 07m
United Airlines
Deal found 4/6![United Airlines logo]()
$364
This American Airlines deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 5/106:00 am
COU
- BOS
1 stop7h 26m
American Airlines
Sat 5/163:59 pm
BOS
- COU
1 stop6h 30m
American Airlines
Deal found 4/5![American Airlines logo]()
$443
This Delta deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” 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 5/196:52 pm
SGF
- BOS
1 stop5h 31m
Delta
Thu 5/288:00 am
BOS
- SGF
1 stop7h 37m
Delta
Deal found 4/4![Delta logo]()
$320
This Delta deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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
Wed 9/164:20 pm
BOS
- SGF
1 stop7h 09m
Delta
Deal found 4/6![Delta logo]()
$322
This United Airlines deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 5/69:06 am
JLN
- BOS
1 stop7h 16m
United Airlines
Wed 5/138:05 am
BOS
- JLN
1 stop6h 32m
United Airlines
Deal found 4/6![United Airlines logo]()
$364
This Southwest deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 5/107:55 pm
STL
- BOS
Nonstop2h 30m
Southwest
Mon 5/115:40 am
BOS
- STL
Nonstop3h 00m
Southwest
Deal found 4/5![Southwest logo]()
$369
This Delta deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:30 pm
SGF
- BOS
1 stop8h 36m
Delta
Tue 9/154:20 pm
BOS
- SGF
1 stop7h 09m
Delta
Deal found 4/8![Delta logo]()
$327
This United Airlines deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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 7/85:00 am
COU
- BOS
2 stops8h 40m
United Airlines
Sun 7/126:00 am
BOS
- COU
1 stop5h 48m
United Airlines
Deal found 4/7![United Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 6/82:10 pm
MCI
- BOS
Nonstop3h 00m
Southwest
Tue 6/911:35 am
BOS
- MCI
1 stop4h 55m
Southwest
Deal found 4/5![Southwest logo]()
$391
This Delta deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” 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 6/812:20 pm
MCI
- BGR
2 stops10h 15m
Delta
Fri 6/125:05 am
BGR
- MCI
1 stop5h 31m
Delta
Deal found 4/4![Delta logo]()
$328
This United Airlines deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 6/89:23 am
STL
- BGR
1 stop5h 08m
United Airlines
Tue 6/166:10 am
BGR
- STL
2 stops10h 36m
United Airlines
Deal found 4/6![United Airlines logo]()
$380
This KAYAK deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:35 am
MCI
- BOS
1 stop6h 37m
American Airlines
Wed 6/35:57 pm
BOS
- MCI
1 stop7h 29m
American Airlines
Deal found 4/8![American Airlines logo]()
$464
This Southwest deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/197:55 pm
STL
- BOS
Nonstop2h 30m
Southwest
Tue 6/235:25 am
BOS
- STL
1 stop7h 05m
Southwest
Deal found 4/8![Southwest logo]()
$399
This American Airlines deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/243:43 pm
STL
- BGR
1 stop7h 14m
American Airlines
Tue 4/286:40 am
BGR
- STL
1 stop8h 23m
American Airlines
Deal found 4/8![American Airlines logo]()
$464
This Delta deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” 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 8/123:30 pm
SGF
- PWM
1 stop6h 03m
Delta
Wed 8/193:00 pm
PWM
- SGF
2 stops8h 29m
Delta
Deal found 4/4![Delta logo]()
$354
This United Airlines deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” 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 5/510:25 am
STL
- BOS
1 stop8h 01m
United Airlines
Sat 5/93:32 pm
BOS
- STL
2 stops8h 13m
United Airlines
Deal found 4/4![United Airlines logo]()
$392
This Southwest deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 6/237:10 pm
STL
- BOS
Nonstop2h 30m
Southwest
Sat 7/47:00 am
BOS
- STL
1 stop7h 30m
Southwest
Deal found 4/5![Southwest logo]()
$399
This United Airlines deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:00 am
SGF
- PWM
1 stop7h 14m
United Airlines
Wed 5/136:00 am
PWM
- SGF
1 stop5h 40m
United Airlines
Deal found 4/8![United Airlines logo]()
$399
This Southwest deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 6/46:10 pm
MCI
- BOS
1 stop5h 00m
Southwest
Tue 6/911:35 am
BOS
- MCI
1 stop4h 55m
Southwest
Deal found 4/5![Southwest logo]()
$400
This Delta deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 4/212:10 pm
MCI
- BGR
2 stops8h 21m
Delta
Sat 4/256:00 am
BGR
- MCI
2 stops8h 24m
Delta
Deal found 4/6![Delta logo]()
$377
This American Airlines deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/195:40 pm
STL
- BGR
1 stop5h 05m
American Airlines
Fri 6/262:22 pm
BGR
- STL
1 stop5h 38m
American Airlines
Deal found 4/8![American Airlines logo]()
$531
This United Airlines deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” 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 5/58:00 am
MCI
- PWM
1 stop5h 14m
United Airlines
Wed 5/66:00 am
PWM
- MCI
1 stop5h 33m
United Airlines
Deal found 4/4![United Airlines logo]()
$403
This Southwest deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 5/105:25 am
STL
- BOS
1 stop4h 30m
Southwest
Sun 5/246:20 am
BOS
- STL
Nonstop3h 00m
Southwest
Deal found 4/6![Southwest logo]()
$407
This United Airlines deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 5/127:45 am
STL
- PWM
1 stop5h 29m
United Airlines
Sat 5/164:50 pm
PWM
- STL
1 stop7h 29m
United Airlines
Deal found 4/5![United Airlines logo]()
$405
This American Airlines deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 9/215:46 am
SGF
- PWM
1 stop4h 45m
American Airlines
Sat 9/268:00 am
PWM
- SGF
1 stop6h 58m
American Airlines
Deal found 4/5![American Airlines logo]()
$540
This Southwest deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/52:30 pm
STL
- PWM
2 stops7h 05m
Southwest
Mon 5/112:50 pm
PWM
- STL
2 stops9h 05m
Southwest
Deal found 4/8![Southwest logo]()
$409
This Delta deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/75:39 am
MCI
- BGR
2 stops9h 41m
Delta
Fri 6/125:05 am
BGR
- MCI
1 stop5h 31m
Delta
Deal found 4/4![Delta logo]()
$416
This United Airlines deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” 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
- PWM
1 stop6h 25m
United Airlines
Wed 6/34:51 pm
PWM
- STL
1 stop5h 25m
United Airlines
Deal found 4/4![United Airlines logo]()
$405
Last-minute flights from Missouri to MaineDiscover last-minute flight deals from Missouri to Maine. Data last updated April 9, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Maine. Data last updated April 9, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 4/215:27 pm
STL
- BGR
1 stop5h 04m
Delta
Sat 4/2512:55 pm
BGR
- STL
1 stop6h 28m
Delta
Deal found 4/6![Delta logo]()
$349
This American Airlines deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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 4/304:28 pm
COU
- BOS
1 stop6h 57m
American Airlines
Wed 5/64:34 pm
BOS
- COU
1 stop5h 56m
American Airlines
Deal found 4/7![American Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/510:25 am
STL
- PWM
2 stops7h 39m
United Airlines
Mon 5/114:50 pm
PWM
- STL
1 stop5h 23m
United Airlines
Deal found 4/8![United Airlines logo]()
$320
This American Airlines deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” 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 5/64:51 pm
MCI
- PWM
1 stop5h 36m
American Airlines
Wed 5/136:00 am
PWM
- MCI
1 stop7h 59m
American Airlines
Deal found 4/4![American Airlines logo]()
$325
This United Airlines deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:17 am
MCI
- PWM
2 stops7h 32m
United Airlines
Wed 5/134:50 pm
PWM
- MCI
1 stop6h 14m
United Airlines
Deal found 4/8![United Airlines logo]()
$328
This Delta deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:30 am
MCI
- PWM
1 stop4h 35m
Delta
Wed 5/1311:03 am
PWM
- MCI
1 stop7h 51m
Delta
Deal found 4/8![Delta logo]()
$340
This Southwest deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” 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 5/74:00 pm
STL
- PWM
1 stop6h 25m
Southwest
Thu 5/214:50 pm
PWM
- STL
1 stop7h 35m
Southwest
Deal found 4/4![Southwest logo]()
$331
This Delta deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/75:45 am
STL
- PWM
1 stop5h 53m
Delta
Sat 5/236:00 am
PWM
- STL
1 stop6h 54m
Delta
Deal found 4/8![Delta logo]()
$351
This United Airlines deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 5/126:17 am
MCI
- PWM
1 stop6h 57m
United Airlines
Wed 5/206:00 am
PWM
- MCI
1 stop5h 33m
United Airlines
Deal found 4/6![United Airlines logo]()
$313
This American Airlines deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/122:33 pm
MCI
- PWM
2 stops8h 44m
American Airlines
Wed 5/206:00 am
PWM
- MCI
1 stop7h 59m
American Airlines
Deal found 4/8![American Airlines logo]()
$352
This Delta deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” 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 5/196:52 pm
SGF
- BOS
1 stop5h 31m
Delta
Thu 5/288:00 am
BOS
- SGF
1 stop7h 37m
Delta
Deal found 4/4![Delta logo]()
$320
This Delta deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:45 pm
STL
- BGR
1 stop4h 48m
Delta
Wed 6/35:05 am
BGR
- STL
1 stop8h 18m
Delta
Deal found 4/6![Delta logo]()
$319
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 9, 2026.
Search for one-way flight options from Missouri to Maine. Find affordable one-way fares based on user searches. Data last updated April 9, 2026.
This Trip.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 5/65:27 pm
STL
- BOS
1 stop6h 57m
Frontier
Deal found 4/6![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:24 pm
MCI
- BOS
1 stop12h 25m
Frontier
Deal found 4/5![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 6/35:27 pm
STL
- BOS
1 stop6h 57m
Frontier
Deal found 4/6![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 5/48:23 pm
STL
- BOS
1 stop11h 11m
Frontier
Deal found 4/6![Frontier logo]()
$77
This Priceline deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Deal found 4/6![Frontier logo]()
$80
This Frontier deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 5/205:27 pm
STL
- BOS
1 stop6h 57m
Frontier
Deal found 4/5![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 6/85:27 pm
STL
- BOS
1 stop13h 25m
Frontier
Deal found 4/6![Frontier logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 5/56:41 pm
STL
- BOS
1 stop12h 58m
Frontier
Deal found 4/5![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 6/166:33 pm
STL
- BOS
1 stop12h 19m
Frontier
Deal found 4/6![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” 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 8/246:19 pm
MCI
- BOS
1 stop12h 33m
Frontier
Deal found 4/4![Frontier logo]()
$91
This Trip.com deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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.
Sat 6/65:27 pm
STL
- BOS
1 stop6h 57m
Frontier
Deal found 4/7![Frontier logo]()
$91
This Trip.com deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/175:06 pm
STL
- BOS
1 stop7h 21m
Frontier
Deal found 4/8![Frontier logo]()
$92
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 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $283 (American Airlines) |
One-way from | $65 (Trip.com) |
Popular in | January |
Cheapest in | March |
Average price | $518 |
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 9, 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. LouisPortland
STL - PWM
STLPWM
Lambert-St Louis
Tue 6/23
3:15 pm-10:55 pm
2 stops6h 40m
Portland
Tue 6/30
7:10 pm-11:00 pm
1 stop4h 50m
$304
St. LouisBangor
STL - BGR
STLBGR
Lambert-St Louis
Wed 5/27
5:45 pm-11:33 pm
1 stop4h 48m
Bangor
Wed 6/3
5:05 am-12:23 pm
1 stop8h 18m
$319
SpringfieldBoston
SGF - BOS
SGFBOS
Springfield-Branson
Tue 5/19
6:52 pm-1:23 am
1 stop5h 31m
Boston Logan Intl
Thu 5/28
8:00 am-2:37 pm
1 stop7h 37m
$320
SpringfieldBoston
SGF - BOS
SGFBOS
Springfield-Branson
Wed 9/9
3:30 pm-1:06 am
1 stop8h 36m
Boston Logan Intl
Wed 9/16
4:20 pm-10:29 pm
1 stop7h 09m
$322
SpringfieldBoston
SGF - BOS
SGFBOS
Springfield-Branson
Wed 9/9
3:30 pm-1:06 am
1 stop8h 36m
Boston Logan Intl
Tue 9/15
4:20 pm-10:29 pm
1 stop7h 09m
$327
Kansas CityBangor
MCI - BGR
MCIBGR
Kansas City
Mon 6/8
12:20 pm-11:35 pm
2 stops10h 15m
Bangor
Fri 6/12
5:05 am-9:36 am
1 stop5h 31m
$328
SpringfieldPortland
SGF - PWM
SGFPWM
Springfield-Branson
Wed 8/12
3:30 pm-10:33 pm
1 stop6h 03m
Portland
Wed 8/19
3:00 pm-10:29 pm
2 stops8h 29m
$354
JoplinBoston
JLN - BOS
JLNBOS
Joplin
Fri 5/8
2:28 pm-11:59 pm
1 stop8h 31m
Boston Logan Intl
Sun 5/10
7:30 am-1:37 pm
1 stop7h 07m
$364
JoplinBoston
JLN - BOS
JLNBOS
Joplin
Wed 5/6
9:06 am-5:22 pm
1 stop7h 16m
Boston Logan Intl
Wed 5/13
8:05 am-1:37 pm
1 stop6h 32m
$364
Quickest round-trip
St. LouisBoston
STL - BOS
STLBOS
Lambert-St Louis
Sun 5/10
7:55 pm-11:25 pm
Nonstop2h 30m
Boston Logan Intl
Mon 5/11
5:40 am-7:40 am
Nonstop3h 00m
$369
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Missouri to Maine
Have a flexible travel schedule? Discover the best time to fly to Maine from Missouri with our price prediction graph.
MCI-PWM
STL-BGR
SGF-BOS
STL-PWM
COU-BOS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Missouri to Maine
USMO-USME
MCI-PWM
STL-BGR
SGF-BOS
STL-PWM
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 $297). 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 9, 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.
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
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 9, 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 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$128 | Average$392 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$201 | Average$432 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$258 | Average$445 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$284 | Average$522 | FlexibilityNo cancel fee | On-time63% |