$143+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — BOI
Jul 18 — Jul 251
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 June 18, 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 June 18, 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.
Fri 9/117:05 am
BOS
- BOI
1 stop8h 39m
Delta
Tue 9/156:40 pm
BOI
- BOS
1 stop9h 50m
Delta
Deal found 6/16![Delta logo]()
$285
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 6/253:40 pm
BOS
- BOI
1 stop8h 48m
Delta
Sun 6/287:53 pm
BOI
- BOS
1 stop9h 42m
Delta
Deal found 6/16![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.
Thu 8/276:45 pm
BOS
- GEG
1 stop8h 08m
Delta
Wed 9/212:36 pm
GEG
- BOS
1 stop9h 49m
Delta
Deal found 6/16![Delta logo]()
$293
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 11/412:45 pm
BOS
- GEG
1 stop11h 52m
Delta
Sun 11/85:40 pm
GEG
- BOS
1 stop9h 53m
Delta
Deal found 6/17![Delta logo]()
$298
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.
Mon 8/1711:15 am
BOS
- BOI
1 stop11h 25m
Southwest
Wed 8/192:40 pm
BOI
- BOS
1 stop7h 25m
Southwest
Deal found 6/17![Southwest logo]()
$300
This Delta deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 9/137:05 am
BOS
- BOI
1 stop9h 17m
Delta
Wed 9/236:40 pm
BOI
- BOS
1 stop9h 50m
Delta
Deal found 6/13![Delta logo]()
$305
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.
Sat 9/1912:10 pm
BOS
- BOI
2 stops11h 20m
Southwest
Sat 9/261:50 pm
BOI
- BOS
1 stop14h 10m
Southwest
Deal found 6/17![Southwest logo]()
$311
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 6/247:45 am
BOS
- BOI
1 stop9h 27m
Delta
Mon 6/295:30 am
BOI
- BOS
1 stop9h 15m
Delta
Deal found 6/16![Delta logo]()
$312
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/85:06 pm
BOS
- BOI
1 stop8h 53m
Alaska Airlines
Wed 12/96:00 am
BOI
- BOS
1 stop8h 46m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$315
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 8/123:20 pm
BOS
- BOI
2 stops9h 50m
Southwest
Tue 8/182:40 pm
BOI
- BOS
1 stop7h 25m
Southwest
Deal found 6/16![Southwest logo]()
$317
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.
Thu 8/133:00 pm
BOS
- BOI
2 stops9h 35m
Southwest
Wed 8/1912:35 pm
BOI
- BOS
1 stop9h 30m
Southwest
Deal found 6/15![Southwest logo]()
$320
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.
Tue 11/38:40 pm
BOS
- JAC
2 stops17h 34m
American Airlines
Tue 11/101:11 pm
JAC
- BOS
2 stops17h 32m
American Airlines
Deal found 6/15![American Airlines logo]()
$329
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 June 18, 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 June 18, 2026.
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.
Sat 9/198:15 am
BOS
- BOI
1 stop7h 23m
Delta
Sat 9/264:00 pm
BOI
- BOS
1 stop11h 33m
Delta
Deal found 6/17![Delta logo]()
$285
This Alaska Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” 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 12/85:06 pm
BOS
- BOI
1 stop8h 53m
Alaska Airlines
Wed 12/96:00 am
BOI
- BOS
1 stop8h 46m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$315
This Southwest deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” 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 8/49:05 am
BOS
- BOI
1 stop12h 40m
Southwest
Wed 8/122:40 pm
BOI
- BOS
1 stop7h 25m
Southwest
Deal found 6/14![Southwest logo]()
$361
This United Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 8/186:00 am
BOS
- BOI
1 stop7h 28m
United Airlines
Sat 8/2210:36 am
BOI
- BOS
2 stops10h 58m
United Airlines
Deal found 6/13![United Airlines logo]()
$400
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.
Fri 7/171:25 pm
PWM
- BOI
2 stops11h 56m
American Airlines
Tue 7/213:10 pm
BOI
- PWM
1 stop7h 33m
American Airlines
Deal found 6/18![American Airlines logo]()
$466
This Delta deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 10/77:05 am
BOS
- BOI
1 stop9h 17m
Delta
Mon 10/127:30 pm
BOI
- BOS
1 stop9h 03m
Delta
Deal found 6/13![Delta logo]()
$372
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.
Wed 11/41:10 pm
BOS
- GEG
2 stops11h 35m
Southwest
Sun 11/85:25 am
GEG
- BOS
1 stop8h 00m
Southwest
Deal found 6/17![Southwest logo]()
$389
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.
Sat 9/267:12 am
BOS
- GEG
1 stop8h 27m
Alaska Airlines
Wed 9/307:24 pm
GEG
- BOS
1 stop7h 45m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$399
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 7/85:55 am
BOS
- BOI
1 stop9h 49m
Delta
Wed 7/1512:20 pm
BOI
- BOS
1 stop9h 54m
Delta
Deal found 6/17![Delta logo]()
$372
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.
Fri 10/23:31 pm
PWM
- JAC
1 stop7h 42m
United Airlines
Sat 10/177:50 am
JAC
- PWM
2 stops10h 10m
United Airlines
Deal found 6/16![United Airlines logo]()
$434
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 7/86:05 am
BOS
- BOI
1 stop8h 09m
Delta
Tue 7/147:28 pm
BOI
- BOS
1 stop10h 07m
Delta
Deal found 6/17![Delta logo]()
$372
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:59 pm
BOS
- JAC
1 stop17h 16m
Alaska Airlines
Sat 9/122:10 pm
JAC
- BOS
1 stop13h 59m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$413
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 9/45:51 am
BOS
- BOI
1 stop9h 51m
Delta
Tue 9/83:00 pm
BOI
- BOS
1 stop6h 59m
Delta
Deal found 6/17![Delta logo]()
$372
This American Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 8/225:51 am
BOS
- IDA
1 stop9h 59m
American Airlines
Sat 8/291:43 pm
IDA
- BOS
1 stop8h 15m
American Airlines
Deal found 6/13![American Airlines logo]()
$499
This Southwest deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” 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 9/136:10 am
PWM
- GEG
2 stops13h 05m
Southwest
Sat 9/191:40 pm
GEG
- PWM
2 stops17h 55m
Southwest
Deal found 6/14![Southwest logo]()
$462
This Alaska Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 8/297:12 am
BOS
- BOI
1 stop10h 19m
Alaska Airlines
Tue 9/18:25 pm
BOI
- BOS
1 stop7h 44m
Alaska Airlines
Deal found 6/13![Alaska Airlines logo]()
$430
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 10/149:51 am
BOS
- SUN
2 stops13h 34m
United Airlines
Sun 10/182:38 pm
SUN
- BOS
1 stop7h 21m
United Airlines
Deal found 6/15![United Airlines logo]()
$475
This Delta deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” 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 11/246:30 pm
BOS
- GEG
1 stop8h 12m
Delta
Tue 12/15:00 pm
GEG
- BOS
1 stop10h 11m
Delta
Deal found 6/14![Delta logo]()
$376
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:00 am
PWM
- GEG
2 stops10h 37m
American Airlines
Mon 9/75:40 am
GEG
- PWM
1 stop10h 12m
American Airlines
Deal found 6/17![American Airlines logo]()
$503
This Southwest deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 9/49:40 am
BOS
- GEG
2 stops10h 15m
Southwest
Sun 9/67:00 am
GEG
- BOS
2 stops11h 45m
Southwest
Deal found 6/13![Southwest logo]()
$470
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.
Tue 9/16:00 am
PWM
- BOI
1 stop7h 28m
United Airlines
Sat 9/512:24 pm
BOI
- PWM
1 stop6h 59m
United Airlines
Deal found 6/15![United Airlines logo]()
$482
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 7/125:55 am
BOS
- BOI
1 stop7h 02m
Delta
Wed 7/1512:20 pm
BOI
- BOS
1 stop9h 54m
Delta
Deal found 6/17![Delta logo]()
$381
This Alaska Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 9/127:12 am
BOS
- JAC
1 stop30h 10m
Alaska Airlines
Sat 9/262:10 pm
JAC
- BOS
1 stop13h 59m
Alaska Airlines
Deal found 6/13![Alaska Airlines logo]()
$468
This Southwest deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2812:55 pm
BOS
- GEG
2 stops13h 25m
Southwest
Sat 7/49:45 am
GEG
- BOS
1 stop10h 00m
Southwest
Deal found 6/14![Southwest logo]()
$470
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:30 am
PWM
- JAC
2 stops15h 34m
American Airlines
Tue 8/2511:48 am
JAC
- PWM
2 stops9h 53m
American Airlines
Deal found 6/17![American Airlines logo]()
$530
This United Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 9/236:00 am
PWM
- BOI
1 stop7h 26m
United Airlines
Sat 9/266:50 pm
BOI
- PWM
2 stops13h 50m
United Airlines
Deal found 6/13![United Airlines logo]()
$487
This Delta deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” 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 8/274:05 pm
BOS
- GEG
1 stop10h 54m
Delta
Sun 8/307:15 pm
GEG
- BOS
1 stop8h 15m
Delta
Deal found 6/14![Delta logo]()
$385
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/49:00 am
BOS
- GEG
1 stop9h 43m
Alaska Airlines
Sun 11/81:41 pm
GEG
- BOS
2 stops14h 47m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$470
This Southwest deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” 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 9/35:55 am
PWM
- GEG
2 stops12h 05m
Southwest
Tue 9/87:30 am
GEG
- PWM
2 stops11h 35m
Southwest
Deal found 6/14![Southwest logo]()
$477
This American Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 7/36:09 am
PWM
- GEG
1 stop10h 30m
American Airlines
Fri 7/102:29 pm
GEG
- PWM
1 stop7h 14m
American Airlines
Deal found 6/13![American Airlines logo]()
$536
Last-minute flights from Maine to IdahoDiscover last-minute flight deals from Maine to Idaho. Data last updated June 18, 2026 and is based on user searches.
Discover last-minute flight deals from Maine to Idaho. Data last updated June 18, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” 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 6/227:45 am
BOS
- BOI
1 stop11h 45m
Delta
Mon 6/295:30 am
BOI
- BOS
1 stop9h 15m
Delta
Deal found 6/14![Delta logo]()
$285
This Delta deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” 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 6/235:50 pm
BOS
- GEG
1 stop8h 17m
Delta
Mon 6/295:20 am
GEG
- BOS
1 stop8h 17m
Delta
Deal found 6/14![Delta logo]()
$376
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 6/247:45 am
BOS
- BOI
1 stop9h 27m
Delta
Mon 6/295:30 am
BOI
- BOS
1 stop9h 15m
Delta
Deal found 6/16![Delta logo]()
$312
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 6/253:40 pm
BOS
- BOI
1 stop8h 48m
Delta
Sun 6/287:53 pm
BOI
- BOS
1 stop9h 42m
Delta
Deal found 6/16![Delta logo]()
$290
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 6/265:55 am
BOS
- BOI
1 stop7h 03m
Delta
Sun 6/287:53 pm
BOI
- BOS
1 stop9h 42m
Delta
Deal found 6/17![Delta logo]()
$377
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 7/411:15 am
BOS
- BOI
1 stop7h 41m
Delta
Mon 7/134:00 pm
BOI
- BOS
1 stop11h 30m
Delta
Deal found 6/18![Delta logo]()
$341
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.
Sat 7/45:50 am
BOS
- BOI
2 stops11h 30m
Southwest
Mon 7/134:25 pm
BOI
- BOS
1 stop6h 40m
Southwest
Deal found 6/18![Southwest logo]()
$375
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 7/85:55 am
BOS
- BOI
1 stop9h 49m
Delta
Wed 7/1512:20 pm
BOI
- BOS
1 stop9h 54m
Delta
Deal found 6/17![Delta logo]()
$372
This American Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” 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 7/97:00 am
BOS
- BOI
1 stop9h 20m
American Airlines
Tue 7/145:36 pm
BOI
- BOS
1 stop10h 09m
American Airlines
Deal found 6/14![American Airlines logo]()
$342
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 7/911:29 am
BOS
- GEG
1 stop8h 26m
Delta
Sun 7/127:59 pm
GEG
- BOS
1 stop8h 36m
Delta
Deal found 6/17![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.
Sun 7/125:55 am
BOS
- BOI
1 stop7h 02m
Delta
Wed 7/1512:20 pm
BOI
- BOS
1 stop9h 54m
Delta
Deal found 6/17![Delta logo]()
$381
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.
Fri 7/315:25 am
BOS
- BOI
1 stop13h 50m
Southwest
Fri 8/72:55 pm
BOI
- BOS
1 stop7h 35m
Southwest
Deal found 6/15![Southwest logo]()
$374
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 June 18, 2026.
Search for one-way flight options from Maine to Idaho. Find affordable one-way fares based on user searches. Data last updated June 18, 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.
Thu 7/95:55 pm
BOS
- BOI
1 stop7h 51m
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.
Sat 9/196:45 pm
BOS
- GEG
1 stop8h 07m
Delta
Deal found 6/16![Delta logo]()
$147
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 8/119:05 am
BOS
- BOI
1 stop12h 40m
Southwest
Deal found 6/15![Southwest logo]()
$148
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 8/305:51 am
BOS
- GEG
1 stop10h 06m
Delta
Deal found 6/15![Delta logo]()
$152
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 7/157:53 am
BOS
- BOI
1 stop9h 18m
Delta
Deal found 6/17![Delta logo]()
$152
This Delta deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” 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 8/196:25 am
BOS
- BOI
1 stop10h 24m
Delta
Deal found 6/14![Delta logo]()
$158
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 9/302:45 pm
BOS
- BOI
2 stops10h 25m
Southwest
Deal found 6/16![Southwest logo]()
$163
This United Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:00 am
BOS
- BOI
1 stop7h 32m
United Airlines
Deal found 6/14![United Airlines logo]()
$166
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.
Sat 10/175:05 am
BOS
- BOI
1 stop7h 45m
Southwest
Deal found 6/15![Southwest logo]()
$170
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 8/122:45 pm
BOS
- GEG
2 stops11h 10m
Southwest
Deal found 6/16![Southwest logo]()
$174
This Southwest deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/304:30 pm
BOS
- BOI
1 stop9h 55m
Southwest
Deal found 6/14![Southwest logo]()
$178
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.
Thu 6/257:15 am
BOS
- GEG
1 stop9h 03m
Delta
Deal found 6/15![Delta logo]()
$180
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 June 18, 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 | July |
Cheapest in | January |
Average price | $682 |
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 June 18, 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
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Sat 9/19
8:15 am-1:38 pm
1 stop7h 23m
Boise Air Term. Gowen Fld
Sat 9/26
4:00 pm-5:33 am
1 stop11h 33m
$285
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Tue 12/8
5:06 pm-11:59 pm
1 stop8h 53m
Boise Air Term. Gowen Fld
Wed 12/9
6:00 am-4:46 pm
1 stop8h 46m
$315
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Tue 8/4
9:05 am-7:45 pm
1 stop12h 40m
Boise Air Term. Gowen Fld
Wed 8/12
2:40 pm-12:05 am
1 stop7h 25m
$361
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Wed 10/7
7:05 am-2:22 pm
1 stop9h 17m
Boise Air Term. Gowen Fld
Mon 10/12
7:30 pm-6:33 am
1 stop9h 03m
$372
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Wed 7/8
5:55 am-1:44 pm
1 stop9h 49m
Boise Air Term. Gowen Fld
Wed 7/15
12:20 pm-12:14 am
1 stop9h 54m
$372
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Wed 7/8
6:05 am-12:14 pm
1 stop8h 09m
Boise Air Term. Gowen Fld
Tue 7/14
7:28 pm-7:35 am
1 stop10h 07m
$372
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Fri 9/4
5:51 am-1:42 pm
1 stop9h 51m
Boise Air Term. Gowen Fld
Tue 9/8
3:00 pm-11:59 pm
1 stop6h 59m
$372
BostonSpokane
BOS - GEG
BOSGEG
Boston Logan Intl
Tue 11/24
6:30 pm-11:42 pm
1 stop8h 12m
Spokane
Tue 12/1
5:00 pm-6:11 am
1 stop10h 11m
$376
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Sun 7/12
5:55 am-10:57 am
1 stop7h 02m
Boise Air Term. Gowen Fld
Wed 7/15
12:20 pm-12:14 am
1 stop9h 54m
$381
BostonSpokane
BOS - GEG
BOSGEG
Boston Logan Intl
Thu 8/27
4:05 pm-11:59 pm
1 stop10h 54m
Spokane
Sun 8/30
7:15 pm-6:30 am
1 stop8h 15m
$385
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
PWM-BOI
BOS-GEG
PWM-JAC
BOS-JAC
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
PWM-BOI
BOS-GEG
PWM-JAC
How much does it cost to fly round-trip from Maine to Idaho?
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 June 18, 2026.
Peruse reviews from past customers who have flown with Southwest,United Airlines, andAmerican 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.
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
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 June 18, 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 3 airlines flying from Maine to Idaho
Discover the top 3 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 June 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$318 | Average$535 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$352 | Average$457 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$456 | Average$602 | FlexibilityNo cancel fee | On-time69% |