$143+ Cheap flights from Idaho 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PWM
Jul 20 — Jul 271
Round-trip
1 adult, Economy
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Find cheap flights from Idaho 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 Idaho to MaineExplore the most affordable flight options available from Idaho to Maine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 20, 2026.
Explore the most affordable flight options available from Idaho to Maine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 20, 2026.
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:46 pm
BOI
- BOS
1 stop9h 44m
Delta
Mon 9/147:05 am
BOS
- BOI
1 stop8h 33m
Delta
Deal found 6/16![Delta logo]()
$285
This Delta deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:40 am
BOI
- BOS
1 stop9h 43m
Delta
Sun 11/15:40 am
BOS
- BOI
1 stop9h 02m
Delta
Deal found 6/15![Delta logo]()
$290
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/201:00 pm
GEG
- BOS
1 stop8h 20m
Delta
Sat 10/247:05 am
BOS
- GEG
1 stop8h 57m
Delta
Deal found 6/16![Delta logo]()
$293
This United Airlines deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/251:37 pm
GEG
- BOS
1 stop7h 17m
United Airlines
Tue 9/112:41 pm
BOS
- GEG
2 stops11h 05m
United Airlines
Deal found 6/17![United Airlines logo]()
$298
This Southwest deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:35 pm
BOI
- BOS
1 stop9h 30m
Southwest
Wed 9/233:20 pm
BOS
- BOI
2 stops9h 50m
Southwest
Deal found 6/18![Southwest logo]()
$299
This American Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/222:58 pm
BOI
- BOS
1 stop7h 00m
American Airlines
Wed 8/266:30 am
BOS
- BOI
1 stop8h 54m
American Airlines
Deal found 6/18![American Airlines logo]()
$300
This Delta deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/132:35 pm
BOI
- BOS
1 stop7h 45m
Delta
Tue 10/205:40 am
BOS
- BOI
1 stop9h 02m
Delta
Deal found 6/18![Delta logo]()
$303
This Southwest deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:20 am
BOI
- BOS
2 stops10h 30m
Southwest
Thu 10/295:00 am
BOS
- BOI
1 stop12h 30m
Southwest
Deal found 6/18![Southwest logo]()
$311
This Southwest deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/212:55 pm
BOI
- BOS
1 stop7h 35m
Southwest
Sat 8/295:40 am
BOS
- BOI
1 stop7h 15m
Southwest
Deal found 6/17![Southwest logo]()
$312
This American Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 8/612:12 pm
BOI
- BOS
1 stop9h 47m
American Airlines
Thu 8/135:51 am
BOS
- BOI
1 stop10h 08m
American Airlines
Deal found 6/19![American Airlines logo]()
$313
This United Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/211:37 pm
GEG
- BOS
1 stop7h 17m
United Airlines
Tue 8/259:20 am
BOS
- GEG
1 stop12h 31m
United Airlines
Deal found 6/15![United Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1710:56 pm
GEG
- BOS
1 stop7h 43m
Delta
Tue 8/254:05 pm
BOS
- GEG
1 stop10h 54m
Delta
Deal found 6/16![Delta logo]()
$315
Best flights from Idaho to MaineDiscover carefully curated flight deals from Idaho to Maine that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 20, 2026.
Discover carefully curated flight deals from Idaho to Maine that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 20, 2026.
This Delta deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:54 pm
GEG
- BOS
1 stop8h 41m
Delta
Mon 9/144:05 pm
BOS
- GEG
1 stop10h 47m
Delta
Deal found 6/15![Delta logo]()
$293
This Southwest deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 9/112:35 pm
BOI
- BOS
1 stop9h 30m
Southwest
Wed 9/233:20 pm
BOS
- BOI
2 stops9h 50m
Southwest
Deal found 6/19![Southwest logo]()
$304
This United Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 10/2410:35 am
BOI
- BOS
2 stops9h 24m
United Airlines
Sun 11/16:00 am
BOS
- BOI
1 stop7h 41m
United Airlines
Deal found 6/19![United Airlines logo]()
$381
This Alaska Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 9/92:16 pm
BOI
- BOS
2 stops13h 53m
Alaska Airlines
Mon 9/147:59 pm
BOS
- BOI
1 stop15h 57m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$408
This American Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:19 pm
BOI
- BGR
2 stops16h 46m
American Airlines
Tue 9/156:30 am
BGR
- BOI
1 stop10h 01m
American Airlines
Deal found 6/19![American Airlines logo]()
$432
This Delta deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:50 am
GEG
- BOS
1 stop10h 30m
Delta
Fri 10/307:05 am
BOS
- GEG
1 stop8h 57m
Delta
Deal found 6/15![Delta logo]()
$293
This Southwest deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/212:55 pm
BOI
- BOS
1 stop7h 35m
Southwest
Sat 8/291:30 pm
BOS
- BOI
2 stops10h 00m
Southwest
Deal found 6/17![Southwest logo]()
$332
This Delta deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1811:09 am
GEG
- BOS
1 stop10h 08m
Delta
Thu 8/276:05 am
BOS
- GEG
1 stop9h 17m
Delta
Deal found 6/15![Delta logo]()
$315
This Southwest deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:50 pm
BOI
- BOS
2 stops11h 40m
Southwest
Tue 8/182:45 pm
BOS
- BOI
2 stops10h 35m
Southwest
Deal found 6/18![Southwest logo]()
$375
This United Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 9/15:00 am
BOI
- BOS
2 stops12h 22m
United Airlines
Wed 9/26:01 am
BOS
- BOI
1 stop7h 27m
United Airlines
Deal found 6/19![United Airlines logo]()
$435
This American Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 8/195:20 am
GEG
- PWM
2 stops13h 40m
American Airlines
Sun 8/236:00 am
PWM
- GEG
2 stops10h 37m
American Airlines
Deal found 6/19![American Airlines logo]()
$443
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:51 am
BOI
- BOS
1 stop10h 52m
Delta
Fri 7/105:55 pm
BOS
- BOI
1 stop7h 51m
Delta
Deal found 6/16![Delta logo]()
$372
This Southwest deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 10/176:45 am
GEG
- BOS
2 stops11h 10m
Southwest
Wed 10/215:15 am
BOS
- GEG
1 stop7h 55m
Southwest
Deal found 6/19![Southwest logo]()
$389
This Travelocity deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:28 am
SUN
- BOS
1 stop11h 26m
Alaska Airlines
Mon 9/287:59 pm
BOS
- SUN
1 stop15h 47m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$474
This United Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/22:25 pm
IDA
- BOS
1 stop7h 29m
United Airlines
Tue 9/157:30 am
BOS
- IDA
2 stops9h 53m
United Airlines
Deal found 6/15![United Airlines logo]()
$445
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/147:59 pm
GEG
- BOS
1 stop8h 36m
Delta
Tue 7/217:10 am
BOS
- GEG
1 stop9h 11m
Delta
Deal found 6/16![Delta logo]()
$376
This Southwest deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:15 am
GEG
- BOS
2 stops12h 05m
Southwest
Tue 8/112:45 pm
BOS
- GEG
2 stops11h 10m
Southwest
Deal found 6/16![Southwest logo]()
$401
This American Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 10/141:43 pm
IDA
- BOS
1 stop8h 11m
American Airlines
Wed 10/2112:00 pm
BOS
- IDA
2 stops11h 22m
American Airlines
Deal found 6/20![American Airlines logo]()
$487
This Delta deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2311:10 pm
BOI
- BOS
1 stop8h 29m
Delta
Wed 8/266:05 am
BOS
- BOI
1 stop8h 09m
Delta
Deal found 6/18![Delta logo]()
$381
This United Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 12/410:51 am
JAC
- BOS
1 stop7h 08m
United Airlines
Tue 12/86:00 am
BOS
- JAC
1 stop7h 22m
United Airlines
Deal found 6/19![United Airlines logo]()
$473
This Orbitz deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1711:33 am
SUN
- BOS
1 stop10h 26m
Alaska Airlines
Sat 11/217:08 am
BOS
- SUN
1 stop28h 30m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$525
This American Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:44 am
BOI
- PWM
2 stops13h 16m
American Airlines
Sun 8/238:00 am
PWM
- BOI
1 stop7h 59m
American Airlines
Deal found 6/15![American Airlines logo]()
$498
This Delta deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/151:00 pm
GEG
- BOS
1 stop8h 20m
Delta
Mon 10/266:30 pm
BOS
- GEG
1 stop8h 12m
Delta
Deal found 6/18![Delta logo]()
$383
This Orbitz deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1711:33 am
SUN
- BOS
1 stop10h 26m
Alaska Airlines
Mon 11/236:32 pm
BOS
- SUN
1 stop17h 06m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$525
This United Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 11/36:30 am
BOI
- PWM
1 stop7h 32m
United Airlines
Wed 11/48:47 am
PWM
- BOI
2 stops14h 43m
United Airlines
Deal found 6/19![United Airlines logo]()
$478
This Delta deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 7/11:00 pm
GEG
- BOS
1 stop8h 21m
Delta
Sat 7/411:15 am
BOS
- GEG
1 stop7h 56m
Delta
Deal found 6/19![Delta logo]()
$383
This American Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 8/116:44 am
BOI
- BGR
2 stops13h 20m
American Airlines
Tue 8/187:05 am
BGR
- BOI
2 stops11h 44m
American Airlines
Deal found 6/20![American Airlines logo]()
$510
This United Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:00 am
GEG
- PWM
1 stop7h 49m
United Airlines
Sat 10/313:35 pm
PWM
- GEG
1 stop8h 34m
United Airlines
Deal found 6/16![United Airlines logo]()
$482
This Alaska Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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.
Thu 9/243:57 pm
IDA
- BOS
1 stop12h 12m
Alaska Airlines
Wed 9/3010:03 am
BOS
- IDA
1 stop14h 53m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$534
This Southwest deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1412:10 pm
BOI
- PWM
2 stops8h 15m
Southwest
Sun 8/237:40 am
PWM
- BOI
1 stop10h 15m
Southwest
Deal found 6/17![Southwest logo]()
$488
Last-minute flights from Idaho to MaineDiscover last-minute flight deals from Idaho to Maine. Data last updated June 20, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Maine. Data last updated June 20, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2411:15 am
GEG
- BOS
1 stop10h 06m
Delta
Thu 6/253:40 pm
BOS
- GEG
1 stop8h 29m
Delta
Deal found 6/17![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/255:30 am
GEG
- BOS
1 stop7h 30m
Delta
Fri 7/36:05 pm
BOS
- GEG
1 stop8h 50m
Delta
Deal found 6/16![Delta logo]()
$293
This Delta deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2612:35 pm
GEG
- BOS
1 stop6h 24m
Delta
Tue 6/306:05 pm
BOS
- GEG
1 stop8h 50m
Delta
Deal found 6/18![Delta logo]()
$383
This Delta deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/295:30 am
BOI
- BOS
1 stop9h 15m
Delta
Wed 7/157:53 am
BOS
- BOI
1 stop9h 18m
Delta
Deal found 6/18![Delta logo]()
$381
This Delta deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/310:48 pm
GEG
- BOS
1 stop9h 26m
Delta
Fri 7/103:40 pm
BOS
- GEG
1 stop11h 15m
Delta
Deal found 6/17![Delta logo]()
$348
This Delta deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/45:10 pm
GEG
- BOS
1 stop9h 55m
Delta
Sun 7/127:53 am
BOS
- GEG
1 stop10h 54m
Delta
Deal found 6/18![Delta logo]()
$378
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:51 am
BOI
- BOS
1 stop10h 52m
Delta
Fri 7/105:55 pm
BOS
- BOI
1 stop7h 51m
Delta
Deal found 6/16![Delta logo]()
$372
This Delta deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/97:00 am
GEG
- BOS
1 stop9h 43m
Delta
Sun 7/127:53 am
BOS
- GEG
1 stop10h 54m
Delta
Deal found 6/18![Delta logo]()
$355
This Delta deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/97:28 pm
BOI
- BOS
1 stop10h 07m
Delta
Sun 7/125:55 am
BOS
- BOI
1 stop7h 02m
Delta
Deal found 6/17![Delta logo]()
$377
This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 7/147:59 pm
GEG
- BOS
1 stop8h 36m
Delta
Tue 7/217:53 am
BOS
- GEG
1 stop10h 54m
Delta
Deal found 6/20![Delta logo]()
$337
This Southwest deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/217:10 am
BOI
- BOS
1 stop8h 50m
Southwest
Fri 7/315:25 am
BOS
- BOI
1 stop13h 50m
Southwest
Deal found 6/15![Southwest logo]()
$383
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/297:08 pm
GEG
- BOS
1 stop7h 57m
Delta
Wed 8/55:51 am
BOS
- GEG
1 stop10h 06m
Delta
Deal found 6/16![Delta logo]()
$315
One-way flights from Idaho to MaineSearch for one-way flight options from Idaho to Maine. Find affordable one-way fares based on user searches. Data last updated June 20, 2026.
Search for one-way flight options from Idaho to Maine. Find affordable one-way fares based on user searches. Data last updated June 20, 2026.
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/22:53 pm
BOI
- BOS
1 stop7h 05m
Delta
Deal found 6/16![Delta logo]()
$143
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2511:15 am
GEG
- BOS
1 stop10h 06m
Delta
Deal found 6/16![Delta logo]()
$147
This Delta deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/57:53 pm
BOI
- BOS
1 stop9h 42m
Delta
Deal found 6/17![Delta logo]()
$148
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1110:50 am
GEG
- BOS
1 stop10h 30m
Delta
Deal found 6/16![Delta logo]()
$152
This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 7/11:00 pm
GEG
- BOS
1 stop8h 21m
Delta
Deal found 6/20![Delta logo]()
$168
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/221:00 pm
GEG
- BOS
1 stop8h 14m
Delta
Deal found 6/16![Delta logo]()
$169
This Delta deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/127:28 pm
BOI
- BOS
1 stop10h 07m
Delta
Deal found 6/15![Delta logo]()
$170
This Delta deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/57:59 pm
GEG
- BOS
1 stop8h 36m
Delta
Deal found 6/17![Delta logo]()
$180
This Delta deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:38 pm
GEG
- PWM
1 stop7h 47m
Delta
Deal found 6/17![Delta logo]()
$182
This Southwest deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2911:30 am
BOI
- BOS
2 stops9h 55m
Southwest
Deal found 6/16![Southwest logo]()
$183
This Delta deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/298:00 am
BOI
- BOS
1 stop9h 10m
Delta
Deal found 6/18![Delta logo]()
$185
This Alaska Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/228:15 am
GEG
- BOS
1 stop18h 25m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$185
Find flight deals from Idaho to Maine
Keep the following information in mind while searching for Idaho to Maine flight deals. Data was last updated June 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $285 (Delta) |
One-way from | $143 (Delta) |
Popular in | January |
Cheapest in | October |
Average price | $606 |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho 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 June 20, 2026.
Use the filters below to find and compare flights from Idaho to Maine that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Fri 9/4
7:54 pm-7:35 am
1 stop8h 41m
Boston Logan Intl
Mon 9/14
4:05 pm-11:52 pm
1 stop10h 47m
$293
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Tue 10/20
10:50 am-12:20 am
1 stop10h 30m
Boston Logan Intl
Fri 10/30
7:05 am-1:02 pm
1 stop8h 57m
$293
BoiseBoston
BOI - BOS
BOIBOS
Boise Air Term. Gowen Fld
Tue 9/1
12:35 pm-12:05 am
1 stop9h 30m
Boston Logan Intl
Wed 9/23
3:20 pm-11:10 pm
2 stops9h 50m
$304
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Tue 8/18
11:09 am-12:17 am
1 stop10h 08m
Boston Logan Intl
Thu 8/27
6:05 am-12:22 pm
1 stop9h 17m
$315
BoiseBoston
BOI - BOS
BOIBOS
Boise Air Term. Gowen Fld
Fri 8/21
2:55 pm-12:30 am
1 stop7h 35m
Boston Logan Intl
Sat 8/29
1:30 pm-9:30 pm
2 stops10h 00m
$332
BoiseBoston
BOI - BOS
BOIBOS
Boise Air Term. Gowen Fld
Tue 7/7
6:51 am-7:43 pm
1 stop10h 52m
Boston Logan Intl
Fri 7/10
5:55 pm-11:46 pm
1 stop7h 51m
$372
BoiseBoston
BOI - BOS
BOIBOS
Boise Air Term. Gowen Fld
Mon 8/10
7:50 pm-9:30 am
2 stops11h 40m
Boston Logan Intl
Tue 8/18
2:45 pm-11:20 pm
2 stops10h 35m
$375
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Tue 7/14
7:59 pm-7:35 am
1 stop8h 36m
Boston Logan Intl
Tue 7/21
7:10 am-1:21 pm
1 stop9h 11m
$376
BoiseBoston
BOI - BOS
BOIBOS
Boise Air Term. Gowen Fld
Sat 10/24
10:35 am-9:59 pm
2 stops9h 24m
Boston Logan Intl
Sun 11/1
6:00 am-11:41 am
1 stop7h 41m
$381
BoiseBoston
BOI - BOS
BOIBOS
Boise Air Term. Gowen Fld
Sun 8/23
11:10 pm-9:39 am
1 stop8h 29m
Boston Logan Intl
Wed 8/26
6:05 am-12:14 pm
1 stop8h 09m
$381
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Idaho to Maine
Have a flexible travel schedule? Discover the best time to fly to Maine from Idaho with our price prediction graph.
BOI-BOS
GEG-BOS
BOI-BGR
GEG-PWM
SUN-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 Idaho to Maine
USID-USME
BOI-BOS
GEG-BOS
BOI-BGR
GEG-PWM
How much does it cost to fly round-trip from Idaho 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 June 20, 2026.
See what other customers who have flown with Southwest,United Airlines, andAmerican Airlines from Idaho to Maine have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Entertainment
7.5
Overall
7.9
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Entertainment
7.5
Overall
7.9
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Entertainment
7.5
Overall
7.9
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Entertainment
7.5
Overall
7.9
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Related info for your journey
Find useful and relevant information for your journey from Idaho 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 Idaho 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 Idaho to Maine by cabin class
Find flights from Idaho to Maine, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Idaho and Maine flights
Browse other Idaho and Maine flight options. Last updated on June 20, 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 Idaho after your stay in Maine
Idaho to Maine flights
Consider these flights traveling from Idaho to Maine.
Top 3 airlines flying from Idaho to Maine
Discover the top 3 airlines that operate flights from Idaho 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 June 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$364 | Average$591 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$397 | Average$514 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$480 | Average$885 | FlexibilityNo cancel fee | On-time69% |