$129+ Cheap flights from Maine to Idaho
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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — BOI
Aug 31 — Sep 71
Round-trip
1 adult, Economy
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Cheapest flights from Maine to IdahoExplore the most affordable flight options available from Maine to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2026.
Explore the most affordable flight options available from Maine to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2026.
This Southwest deal was found by Cheapflights users on 7/28. 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.
Fri 8/2111:15 am
BOS
- BOI
1 stop11h 25m
Southwest
Sat 8/291:50 pm
BOI
- BOS
1 stop8h 35m
Southwest
Deal found 7/28![Southwest logo]()
$257
This American Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 8/217:10 am
BOS
- BOI
1 stop9h 19m
American Airlines
Fri 8/2812:12 pm
BOI
- BOS
1 stop7h 54m
American Airlines
Deal found 7/31![American Airlines logo]()
$259
This Delta deal was found by Cheapflights users on 7/27. 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.
Thu 8/207:45 am
BOS
- BOI
1 stop9h 33m
Delta
Fri 8/2812:23 pm
BOI
- BOS
1 stop9h 54m
Delta
Deal found 7/27![Delta logo]()
$267
This American Airlines deal was found by Cheapflights users on 7/29. 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.
Thu 8/206:30 am
BOS
- GEG
1 stop10h 39m
American Airlines
Tue 8/255:40 am
GEG
- BOS
1 stop9h 05m
American Airlines
Deal found 7/29![American Airlines logo]()
$277
This Southwest deal was found by Cheapflights users on 7/29. 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.
Fri 8/213:25 pm
BOS
- GEG
2 stops9h 35m
Southwest
Thu 8/2712:20 pm
GEG
- BOS
1 stop9h 05m
Southwest
Deal found 7/29![Southwest logo]()
$282
This American Airlines deal was found by Cheapflights users on 7/30. 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 8/297:24 am
BOS
- BOI
1 stop8h 38m
American Airlines
Sat 9/512:12 pm
BOI
- BOS
1 stop9h 28m
American Airlines
Deal found 7/30![American Airlines logo]()
$290
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:45 am
BOS
- BOI
2 stops9h 53m
United Airlines
Sat 9/510:36 am
BOI
- BOS
1 stop7h 19m
United Airlines
Deal found 7/30![United Airlines logo]()
$295
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Tue 8/256:00 am
BOS
- GEG
1 stop8h 39m
United Airlines
Sat 8/291:37 pm
GEG
- BOS
1 stop7h 13m
United Airlines
Deal found 7/29![United Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 7/27. 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.
Thu 8/277:45 am
BOS
- BOI
1 stop11h 34m
Delta
Tue 9/156:44 pm
BOI
- BOS
1 stop9h 46m
Delta
Deal found 7/27![Delta logo]()
$300
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 8/207:45 am
BOS
- GEG
1 stop10h 34m
Delta
Tue 8/251:00 pm
GEG
- BOS
1 stop8h 17m
Delta
Deal found 7/31![Delta logo]()
$307
This American Airlines deal was found by Cheapflights users on 7/28. 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.
Mon 8/175:51 am
BOS
- BOI
1 stop10h 08m
American Airlines
Sat 8/222:58 pm
BOI
- BOS
1 stop7h 00m
American Airlines
Deal found 7/28![American Airlines logo]()
$307
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Sat 8/295:01 pm
BOS
- BOI
1 stop7h 52m
United Airlines
Sun 8/3012:24 pm
BOI
- BOS
1 stop9h 10m
United Airlines
Deal found 7/29![United Airlines logo]()
$308
Best flights from Maine to IdahoDiscover carefully curated flight deals from Maine to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 1, 2026.
Discover carefully curated flight deals from Maine to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 1, 2026.
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Tue 8/256:00 am
BOS
- GEG
1 stop8h 39m
United Airlines
Sat 8/291:37 pm
GEG
- BOS
1 stop7h 13m
United Airlines
Deal found 7/29![United Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 8/207:45 am
BOS
- GEG
1 stop10h 34m
Delta
Tue 8/251:00 pm
GEG
- BOS
1 stop8h 17m
Delta
Deal found 7/31![Delta logo]()
$307
This Southwest deal was found by Cheapflights users on 7/28. 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 8/295:40 am
BOS
- BOI
1 stop7h 15m
Southwest
Mon 8/3111:30 am
BOI
- BOS
2 stops8h 40m
Southwest
Deal found 7/28![Southwest logo]()
$324
This Alaska Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:00 am
BOS
- BOI
1 stop14h 20m
Alaska Airlines
Tue 9/151:15 pm
BOI
- BOS
1 stop8h 39m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$338
This American Airlines deal was found by Cheapflights users on 7/27. 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.
Sat 9/56:46 am
PWM
- BOI
1 stop9h 16m
American Airlines
Mon 9/76:44 am
BOI
- PWM
1 stop10h 08m
American Airlines
Deal found 7/27![American Airlines logo]()
$432
This Delta deal was found by Cheapflights users on 7/27. 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.
Sat 8/2911:05 am
BOS
- BOI
1 stop7h 17m
Delta
Mon 9/146:44 pm
BOI
- BOS
1 stop9h 46m
Delta
Deal found 7/27![Delta logo]()
$333
This Southwest deal was found by Cheapflights users on 7/30. 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.
Thu 10/291:05 pm
BOS
- BOI
2 stops11h 50m
Southwest
Tue 11/37:55 am
BOI
- BOS
2 stops11h 40m
Southwest
Deal found 7/30![Southwest logo]()
$333
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:12 am
BOS
- GEG
1 stop9h 33m
Alaska Airlines
Sat 10/37:32 pm
GEG
- BOS
1 stop7h 40m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$347
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:45 am
BOS
- WYS
2 stops11h 41m
United Airlines
Tue 8/251:55 pm
WYS
- BOS
2 stops9h 16m
United Airlines
Deal found 7/30![United Airlines logo]()
$379
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:12 am
BOS
- GEG
1 stop9h 33m
Alaska Airlines
Mon 9/2810:37 am
GEG
- BOS
1 stop10h 17m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$347
This Southwest deal was found by Cheapflights users on 7/27. 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.
Thu 9/103:55 pm
BOS
- GEG
1 stop9h 50m
Southwest
Mon 9/1412:20 pm
GEG
- BOS
1 stop9h 10m
Southwest
Deal found 7/27![Southwest logo]()
$347
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:50 am
BOS
- BOI
1 stop7h 59m
Delta
Wed 9/91:06 pm
BOI
- BOS
1 stop8h 47m
Delta
Deal found 7/31![Delta logo]()
$351
This United Airlines deal was found by Cheapflights users on 7/28. 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 8/267:45 am
BOS
- BOI
1 stop9h 46m
United Airlines
Sat 8/2912:24 pm
BOI
- BOS
1 stop9h 10m
United Airlines
Deal found 7/28![United Airlines logo]()
$387
This Southwest deal was found by Cheapflights users on 7/28. 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.
Wed 9/234:45 pm
BOS
- GEG
1 stop8h 45m
Southwest
Mon 9/2812:20 pm
GEG
- BOS
1 stop9h 10m
Southwest
Deal found 7/28![Southwest logo]()
$362
This Delta deal was found by Cheapflights users on 7/27. 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.
Thu 9/107:55 am
BOS
- GEG
1 stop10h 19m
Delta
Sun 9/137:30 pm
GEG
- BOS
1 stop9h 10m
Delta
Deal found 7/27![Delta logo]()
$368
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:00 am
BOS
- BOI
2 stops16h 27m
Alaska Airlines
Sat 9/124:27 pm
BOI
- BOS
1 stop11h 42m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$388
This Southwest deal was found by Cheapflights users on 7/29. 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.
Sat 9/2612:10 pm
BOS
- GEG
2 stops11h 50m
Southwest
Mon 9/2812:20 pm
GEG
- BOS
1 stop9h 10m
Southwest
Deal found 7/29![Southwest logo]()
$362
This American Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/106:30 am
PWM
- GEG
1 stop9h 49m
American Airlines
Mon 9/145:00 am
GEG
- PWM
1 stop10h 46m
American Airlines
Deal found 7/31![American Airlines logo]()
$482
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Fri 10/233:40 pm
PWM
- GEG
1 stop8h 09m
United Airlines
Sat 10/315:00 am
GEG
- PWM
1 stop8h 02m
United Airlines
Deal found 7/28![United Airlines logo]()
$402
This Delta deal was found by Cheapflights users on 7/28. 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.
Tue 11/246:05 am
BOS
- GEG
1 stop9h 24m
Delta
Tue 12/17:43 pm
GEG
- BOS
1 stop7h 50m
Delta
Deal found 7/28![Delta logo]()
$375
This Southwest deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 10/241:55 pm
BOS
- GEG
2 stops10h 20m
Southwest
Fri 10/302:45 pm
GEG
- BOS
1 stop7h 25m
Southwest
Deal found 7/31![Southwest logo]()
$380
This Delta deal was found by Cheapflights users on 7/28. 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.
Sat 8/222:35 pm
BOS
- IDA
2 stops9h 57m
Delta
Sat 8/297:00 pm
IDA
- BOS
1 stop9h 30m
Delta
Deal found 7/28![Delta logo]()
$384
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Wed 10/283:23 pm
PWM
- GEG
1 stop8h 48m
United Airlines
Sun 11/85:00 am
GEG
- PWM
1 stop8h 02m
United Airlines
Deal found 7/27![United Airlines logo]()
$423
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/87:08 am
BOS
- IDA
1 stop10h 21m
Alaska Airlines
Wed 12/96:15 am
IDA
- BOS
1 stop8h 31m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$433
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Tue 8/257:05 am
BGR
- JAC
2 stops10h 12m
American Airlines
Thu 8/2711:48 am
JAC
- BGR
2 stops9h 57m
American Airlines
Deal found 7/30![American Airlines logo]()
$551
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:09 am
BOS
- IDA
1 stop10h 11m
Alaska Airlines
Sat 10/103:57 pm
IDA
- BOS
1 stop12h 15m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$433
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 12/135:45 am
BOS
- BOI
1 stop8h 48m
Delta
Mon 12/287:30 pm
BOI
- BOS
1 stop9h 03m
Delta
Deal found 7/31![Delta logo]()
$403
This Southwest deal was found by Cheapflights users on 7/28. 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.
Tue 8/119:05 am
BOS
- BOI
1 stop12h 40m
Southwest
Fri 8/142:55 pm
BOI
- BOS
1 stop7h 35m
Southwest
Deal found 7/28![Southwest logo]()
$405
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Tue 10/2010:51 am
BOS
- SUN
2 stops12h 34m
United Airlines
Fri 10/239:06 am
SUN
- BOS
1 stop9h 51m
United Airlines
Deal found 7/29![United Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 12/176:05 am
BOS
- BOI
1 stop8h 12m
Delta
Mon 12/287:30 pm
BOI
- BOS
1 stop9h 03m
Delta
Deal found 7/31![Delta logo]()
$403
Last-minute flights from Maine to IdahoDiscover last-minute flight deals from Maine to Idaho. Data last updated August 1, 2026 and is based on user searches.
Discover last-minute flight deals from Maine to Idaho. Data last updated August 1, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/28. 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.
Mon 8/175:51 am
BOS
- BOI
1 stop10h 08m
American Airlines
Sat 8/222:58 pm
BOI
- BOS
1 stop7h 00m
American Airlines
Deal found 7/28![American Airlines logo]()
$307
This Delta deal was found by Cheapflights users on 7/27. 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.
Thu 8/207:45 am
BOS
- BOI
1 stop9h 33m
Delta
Fri 8/2812:23 pm
BOI
- BOS
1 stop9h 54m
Delta
Deal found 7/27![Delta logo]()
$267
This American Airlines deal was found by Cheapflights users on 7/29. 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.
Thu 8/206:30 am
BOS
- GEG
1 stop10h 39m
American Airlines
Tue 8/255:40 am
GEG
- BOS
1 stop9h 05m
American Airlines
Deal found 7/29![American Airlines logo]()
$277
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 8/207:45 am
BOS
- GEG
1 stop10h 34m
Delta
Tue 8/251:00 pm
GEG
- BOS
1 stop8h 17m
Delta
Deal found 7/31![Delta logo]()
$307
This Southwest deal was found by Cheapflights users on 7/28. 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.
Fri 8/2111:15 am
BOS
- BOI
1 stop11h 25m
Southwest
Sat 8/291:50 pm
BOI
- BOS
1 stop8h 35m
Southwest
Deal found 7/28![Southwest logo]()
$257
This American Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 8/217:10 am
BOS
- BOI
1 stop9h 19m
American Airlines
Fri 8/2812:12 pm
BOI
- BOS
1 stop7h 54m
American Airlines
Deal found 7/31![American Airlines logo]()
$259
This Southwest deal was found by Cheapflights users on 7/29. 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.
Fri 8/213:25 pm
BOS
- GEG
2 stops9h 35m
Southwest
Thu 8/2712:20 pm
GEG
- BOS
1 stop9h 05m
Southwest
Deal found 7/29![Southwest logo]()
$282
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Tue 8/256:00 am
BOS
- GEG
1 stop8h 39m
United Airlines
Sat 8/291:37 pm
GEG
- BOS
1 stop7h 13m
United Airlines
Deal found 7/29![United Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 7/27. 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.
Thu 8/277:45 am
BOS
- BOI
1 stop11h 34m
Delta
Tue 9/156:44 pm
BOI
- BOS
1 stop9h 46m
Delta
Deal found 7/27![Delta logo]()
$300
This American Airlines deal was found by Cheapflights users on 7/30. 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 8/297:24 am
BOS
- BOI
1 stop8h 38m
American Airlines
Sat 9/512:12 pm
BOI
- BOS
1 stop9h 28m
American Airlines
Deal found 7/30![American Airlines logo]()
$290
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:45 am
BOS
- BOI
2 stops9h 53m
United Airlines
Sat 9/510:36 am
BOI
- BOS
1 stop7h 19m
United Airlines
Deal found 7/30![United Airlines logo]()
$295
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Sat 8/295:01 pm
BOS
- BOI
1 stop7h 52m
United Airlines
Sun 8/3012:24 pm
BOI
- BOS
1 stop9h 10m
United Airlines
Deal found 7/29![United Airlines logo]()
$308
One-way flights from Maine to IdahoSearch for one-way flight options from Maine to Idaho. Find affordable one-way fares based on user searches. Data last updated August 1, 2026.
Search for one-way flight options from Maine to Idaho. Find affordable one-way fares based on user searches. Data last updated August 1, 2026.
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Tue 8/255:08 pm
BOS
- BOI
1 stop7h 32m
United Airlines
Deal found 7/28![United Airlines logo]()
$129
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Thu 11/198:05 am
BOS
- BOI
1 stop10h 37m
United Airlines
Deal found 7/27![United Airlines logo]()
$157
This American Airlines deal was found by Cheapflights users on 7/27. 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 10/76:00 am
BOS
- BOI
1 stop10h 33m
American Airlines
Deal found 7/27![American Airlines logo]()
$162
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 8/147:45 am
BOS
- GEG
1 stop10h 34m
Delta
Deal found 7/31![Delta logo]()
$164
This Southwest deal was found by Cheapflights users on 7/30. 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.
Tue 10/61:15 pm
BOS
- BOI
2 stops11h 00m
Southwest
Deal found 7/30![Southwest logo]()
$167
This United Airlines deal was found by Cheapflights users on 7/28. 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 8/227:05 am
BOS
- GEG
1 stop8h 18m
United Airlines
Deal found 7/28![United Airlines logo]()
$171
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/114:48 pm
BOS
- BOI
1 stop8h 56m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$172
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Sat 10/37:01 am
BOS
- GEG
1 stop8h 23m
United Airlines
Deal found 7/29![United Airlines logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 9/2312:54 pm
BOS
- BOI
2 stops27h 01m
Frontier
Deal found 7/30![Frontier logo]()
$177
This United Airlines deal was found by Cheapflights users on 7/29. 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 8/146:00 am
BOS
- BOI
1 stop11h 31m
United Airlines
Deal found 7/29![United Airlines logo]()
$179
This Delta deal was found by Cheapflights users on 7/28. 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.
Thu 9/107:55 am
BOS
- BOI
1 stop11h 24m
Delta
Deal found 7/28![Delta logo]()
$180
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Thu 10/17:45 am
BOS
- BOI
1 stop9h 46m
United Airlines
Deal found 7/27![United Airlines logo]()
$182
Find flight deals from Maine to Idaho
Keep the following information in mind while searching for Maine to Idaho flight deals. Data was last updated August 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $257 (Southwest) |
One-way from | $129 (United Airlines) |
Popular in | October |
Cheapest in | January |
Average price | $395 |
Cheapflights Fare Finder
Customize your flight search to find flights from Maine to Idaho 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 August 1, 2026.
Use the filters below to find and compare flights from Maine to Idaho that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BostonSpokane
BOS - GEG
BOSGEG
Boston Logan Intl
Tue 8/25
6:00 am-11:39 am
1 stop8h 39m
Spokane
Sat 8/29
1:37 pm-11:50 pm
1 stop7h 13m
$297
BostonSpokane
BOS - GEG
BOSGEG
Boston Logan Intl
Thu 8/20
7:45 am-3:19 pm
1 stop10h 34m
Spokane
Tue 8/25
1:00 pm-12:17 am
1 stop8h 17m
$307
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Sat 8/29
5:40 am-10:55 am
1 stop7h 15m
Boise Air Term. Gowen Fld
Mon 8/31
11:30 am-10:10 pm
2 stops8h 40m
$324
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Sat 8/29
11:05 am-4:22 pm
1 stop7h 17m
Boise Air Term. Gowen Fld
Mon 9/14
6:44 pm-6:30 am
1 stop9h 46m
$333
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Thu 10/29
1:05 pm-10:55 pm
2 stops11h 50m
Boise Air Term. Gowen Fld
Tue 11/3
7:55 am-9:35 pm
2 stops11h 40m
$333
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Fri 9/11
8:00 am-8:20 pm
1 stop14h 20m
Boise Air Term. Gowen Fld
Tue 9/15
1:15 pm-11:54 pm
1 stop8h 39m
$338
BostonSpokane
BOS - GEG
BOSGEG
Boston Logan Intl
Wed 9/30
7:12 am-1:45 pm
1 stop9h 33m
Spokane
Sat 10/3
7:32 pm-6:12 am
1 stop7h 40m
$347
BostonSpokane
BOS - GEG
BOSGEG
Boston Logan Intl
Sat 9/26
7:12 am-1:45 pm
1 stop9h 33m
Spokane
Mon 9/28
10:37 am-11:54 pm
1 stop10h 17m
$347
BostonSpokane
BOS - GEG
BOSGEG
Boston Logan Intl
Thu 9/10
3:55 pm-10:45 pm
1 stop9h 50m
Spokane
Mon 9/14
12:20 pm-12:30 am
1 stop9h 10m
$347
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Sat 9/5
6:50 am-12:49 pm
1 stop7h 59m
Boise Air Term. Gowen Fld
Wed 9/9
1:06 pm-11:53 pm
1 stop8h 47m
$351
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Maine to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from Maine with our price prediction graph.
BOS-BOI
BOS-GEG
PWM-BOI
PWM-GEG
BOS-IDA
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 Idaho
USME-USID
BOS-BOI
BOS-GEG
PWM-BOI
PWM-GEG
How much does it cost to fly round-trip from Maine to Idaho?
Airfare is typical for this route at the moment.
Maine to Idaho flights typically cost between $365 and $444 in November.The cheapest round-trip price found within the last 5 days was $369 on Delta (Nov 3-Nov 9).
Reviews of airlines servicing Idaho
Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated August 1, 2026.
Peruse reviews from past customers who have flown with United Airlines and American Airlines from Maine to Idaho to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.4
Comfort
7.3
Entertainment
7.1
Boarding
7.7
Crew
8.1
Food
6.7
Reviews
1 / 20
6.0
GoodDawn,Jul 2026
ORD - GRR
Overall
7.4
Comfort
7.3
Entertainment
7.1
Boarding
7.7
Crew
8.1
Food
6.7
Reviews
1 / 20
6.0
GoodDawn,Jul 2026
ORD - GRR
Overall
7.4
Comfort
7.3
Entertainment
7.1
Boarding
7.7
Crew
8.1
Food
6.7
Reviews
1 / 20
6.0
GoodDawn,Jul 2026
ORD - GRR
Related info for your journey
Find useful and relevant information for your journey from Maine to Idaho. 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 Idaho
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Idaho by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Maine to Idaho by cabin class
Find flights from Maine to Idaho, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Maine and Idaho flights
Browse other Maine and Idaho flight options. Last updated on August 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Idaho
Find the right flight back to Maine after your stay in Idaho
Maine to Idaho flights
Consider these flights traveling from Maine to Idaho.
Top 2 airlines flying from Maine to Idaho
Discover the top 2 airlines that operate flights from Maine to Idaho. 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 August 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$372 | Average$535 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$485 | Average$565 | FlexibilityNo cancel fee | On-time69% |