$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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — BOI
Jun 3 — Jun 101
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Maine to Idaho 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Maine to Idaho
Cheapest
Best
Last-minute
One-way
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 May 4, 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 May 4, 2026.
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:48 am
BOS
- BOI
1 stop8h 53m
Delta
Sat 6/61:53 pm
BOI
- BOS
1 stop8h 05m
Delta
Deal found 4/30![Delta logo]()
$285
This American Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:10 am
BOS
- BOI
1 stop10h 04m
American Airlines
Sat 8/222:46 pm
BOI
- BOS
1 stop7h 13m
American Airlines
Deal found 5/4![American Airlines logo]()
$304
This American Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/278:00 am
BOS
- BOI
1 stop9h 07m
American Airlines
Sat 5/303:11 pm
BOI
- BOS
1 stop7h 04m
American Airlines
Deal found 5/4![American Airlines logo]()
$307
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/125:55 am
BOS
- BOI
1 stop7h 02m
Delta
Wed 7/152:50 pm
BOI
- BOS
1 stop7h 05m
Delta
Deal found 4/29![Delta logo]()
$315
This Southwest deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/13:45 pm
BOS
- BOI
2 stops11h 00m
Southwest
Tue 6/164:05 pm
BOI
- BOS
1 stop6h 40m
Southwest
Deal found 5/3![Southwest logo]()
$317
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:00 am
BOS
- BOI
1 stop9h 20m
American Airlines
Tue 8/116:44 am
BOI
- BOS
1 stop10h 58m
American Airlines
Deal found 4/30![American Airlines logo]()
$322
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:10 am
BOS
- WYS
1 stop8h 15m
Delta
Tue 6/21:10 pm
WYS
- BOS
1 stop8h 48m
Delta
Deal found 5/4![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 5/2410:40 am
BOS
- JAC
1 stop8h 19m
Delta
Tue 6/211:35 am
JAC
- BOS
2 stops10h 19m
Delta
Deal found 5/3![Delta logo]()
$335
This American Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:00 am
BOS
- JAC
1 stop11h 09m
American Airlines
Mon 6/111:07 am
JAC
- BOS
1 stop10h 02m
American Airlines
Deal found 5/2![American Airlines logo]()
$351
This American Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/258:37 am
BOS
- JAC
1 stop8h 53m
American Airlines
Wed 6/310:00 am
JAC
- BOS
1 stop8h 08m
American Airlines
Deal found 5/1![American Airlines logo]()
$352
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/252:40 pm
BOS
- JAC
1 stop8h 20m
United Airlines
Fri 5/297:30 am
JAC
- BOS
1 stop7h 59m
United Airlines
Deal found 5/3![United Airlines logo]()
$363
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:32 am
BOS
- IDA
1 stop8h 40m
American Airlines
Sat 10/31:44 pm
IDA
- BOS
1 stop6h 21m
American Airlines
Deal found 4/30![American Airlines logo]()
$369
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 May 4, 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 May 4, 2026.
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 10/73:30 pm
BOS
- BOI
1 stop10h 22m
Delta
Mon 10/1212:42 pm
BOI
- BOS
1 stop9h 38m
Delta
Deal found 5/1![Delta logo]()
$285
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:50 am
BOS
- BOI
2 stops12h 41m
United Airlines
Wed 10/217:05 pm
BOI
- BOS
1 stop9h 08m
United Airlines
Deal found 4/29![United Airlines logo]()
$400
This Southwest deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 7/92:10 pm
BOS
- GEG
2 stops12h 15m
Southwest
Wed 7/152:55 pm
GEG
- BOS
1 stop6h 50m
Southwest
Deal found 5/1![Southwest logo]()
$411
This Alaska Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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.
Mon 6/16:00 am
BOS
- GEG
1 stop8h 52m
Alaska Airlines
Tue 6/97:25 pm
GEG
- BOS
2 stops12h 01m
Alaska Airlines
Deal found 5/3![Alaska Airlines logo]()
$433
This American Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/236:28 am
PWM
- BOI
1 stop9h 52m
American Airlines
Sun 5/313:11 pm
BOI
- PWM
1 stop7h 24m
American Airlines
Deal found 5/1![American Airlines logo]()
$448
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/273:55 pm
BOS
- BOI
1 stop8h 18m
Delta
Tue 6/26:41 pm
BOI
- BOS
1 stop9h 39m
Delta
Deal found 5/4![Delta logo]()
$285
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:51 am
BOS
- BOI
1 stop9h 27m
Delta
Fri 6/58:58 am
BOI
- BOS
1 stop8h 49m
Delta
Deal found 4/30![Delta logo]()
$315
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 7/152:50 pm
BOI
- BOS
1 stop7h 05m
Delta
Deal found 5/1![Delta logo]()
$315
This Southwest deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/272:15 pm
BOS
- GEG
2 stops11h 25m
Southwest
Mon 8/316:00 am
GEG
- BOS
1 stop8h 20m
Southwest
Deal found 4/29![Southwest logo]()
$414
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/210:35 am
BOS
- BOI
2 stops13h 30m
United Airlines
Sun 6/77:05 pm
BOI
- BOS
1 stop10h 56m
United Airlines
Deal found 5/2![United Airlines logo]()
$430
This Alaska Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 9/57:09 am
BOS
- IDA
1 stop10h 28m
Alaska Airlines
Wed 9/96:18 am
IDA
- BOS
1 stop10h 41m
Alaska Airlines
Deal found 5/2![Alaska Airlines logo]()
$449
This Southwest deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 8/235:20 am
BOS
- BOI
1 stop7h 15m
Southwest
Sat 8/291:50 pm
BOI
- BOS
1 stop14h 10m
Southwest
Deal found 5/3![Southwest logo]()
$419
This American Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 8/189:00 am
PWM
- JAC
2 stops12h 04m
American Airlines
Tue 8/2510:53 am
JAC
- PWM
1 stop9h 07m
American Airlines
Deal found 5/3![American Airlines logo]()
$486
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/269:30 am
BOS
- GEG
2 stops14h 35m
United Airlines
Sat 5/301:41 pm
GEG
- BOS
1 stop7h 03m
United Airlines
Deal found 5/2![United Airlines logo]()
$443
This Alaska Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 9/127:09 am
BOS
- IDA
1 stop10h 28m
Alaska Airlines
Sat 9/264:14 pm
IDA
- BOS
1 stop11h 55m
Alaska Airlines
Deal found 5/3![Alaska Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/202:10 pm
BOS
- IDA
2 stops10h 21m
Delta
Mon 6/297:00 pm
IDA
- BOS
1 stop9h 05m
Delta
Deal found 5/1![Delta logo]()
$374
This Southwest deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 7/92:10 pm
BOS
- GEG
2 stops12h 15m
Southwest
Thu 7/166:25 am
GEG
- BOS
2 stops12h 15m
Southwest
Deal found 5/1![Southwest logo]()
$429
This Alaska Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 7/148:28 am
BOS
- GEG
1 stop17h 39m
Alaska Airlines
Mon 7/207:41 pm
GEG
- BOS
1 stop7h 39m
Alaska Airlines
Deal found 5/3![Alaska Airlines logo]()
$450
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 7/155:55 am
BOS
- BOI
1 stop7h 02m
Delta
Wed 7/2211:42 pm
BOI
- BOS
1 stop7h 57m
Delta
Deal found 5/1![Delta logo]()
$381
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 25m
United Airlines
Wed 9/212:23 pm
BOI
- PWM
1 stop7h 38m
United Airlines
Deal found 4/29![United Airlines logo]()
$493
This Southwest deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/261:00 pm
PWM
- BOI
2 stops12h 30m
Southwest
Tue 6/97:10 am
BOI
- PWM
1 stop12h 20m
Southwest
Deal found 5/1![Southwest logo]()
$460
This American Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/197:05 am
PWM
- GEG
1 stop8h 18m
American Airlines
Sat 5/232:08 pm
GEG
- PWM
1 stop7h 27m
American Airlines
Deal found 5/4![American Airlines logo]()
$587
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:10 am
BOS
- SUN
1 stop7h 47m
Delta
Tue 6/23:20 pm
SUN
- BOS
1 stop6h 38m
Delta
Deal found 4/29![Delta logo]()
$401
This Alaska Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:40 am
BOS
- IDA
2 stops17h 16m
Alaska Airlines
Fri 10/24:14 pm
IDA
- BOS
1 stop11h 55m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$486
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2512:30 pm
BOS
- JAC
1 stop8h 12m
United Airlines
Sat 5/308:00 am
JAC
- BOS
2 stops13h 21m
United Airlines
Deal found 5/3![United Airlines logo]()
$496
This Southwest deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/254:30 pm
BOS
- BOI
1 stop9h 50m
Southwest
Mon 6/298:45 am
BOI
- BOS
1 stop8h 35m
Southwest
Deal found 5/1![Southwest logo]()
$460
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/275:30 am
BOS
- SUN
2 stops11h 01m
Delta
Wed 7/297:20 am
SUN
- BOS
2 stops10h 40m
Delta
Deal found 4/30![Delta logo]()
$411
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:45 am
BOS
- SUN
2 stops10h 02m
United Airlines
Sat 6/67:00 am
SUN
- BOS
2 stops10h 30m
United Airlines
Deal found 4/29![United Airlines logo]()
$507
This Southwest deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/303:45 pm
PWM
- BOI
2 stops10h 40m
Southwest
Mon 7/67:40 pm
BOI
- PWM
2 stops12h 15m
Southwest
Deal found 5/3![Southwest logo]()
$464
This American Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/296:00 am
PWM
- JAC
1 stop8h 10m
American Airlines
Sun 5/313:49 pm
JAC
- PWM
1 stop6h 46m
American Airlines
Deal found 5/1![American Airlines logo]()
$627
Last-minute flights from Maine to IdahoDiscover last-minute flight deals from Maine to Idaho. Data last updated May 4, 2026 and is based on user searches.
Discover last-minute flight deals from Maine to Idaho. Data last updated May 4, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 5/2410:40 am
BOS
- JAC
1 stop8h 19m
Delta
Tue 6/211:35 am
JAC
- BOS
2 stops10h 19m
Delta
Deal found 5/3![Delta logo]()
$335
This American Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:00 am
BOS
- JAC
1 stop11h 09m
American Airlines
Mon 6/111:07 am
JAC
- BOS
1 stop10h 02m
American Airlines
Deal found 5/2![American Airlines logo]()
$351
This American Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/278:00 am
BOS
- BOI
1 stop9h 07m
American Airlines
Sat 5/303:11 pm
BOI
- BOS
1 stop7h 04m
American Airlines
Deal found 5/4![American Airlines logo]()
$307
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:10 am
BOS
- WYS
1 stop8h 15m
Delta
Tue 6/21:10 pm
WYS
- BOS
1 stop8h 48m
Delta
Deal found 5/4![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:51 am
BOS
- BOI
1 stop9h 27m
Delta
Fri 6/58:58 am
BOI
- BOS
1 stop8h 49m
Delta
Deal found 4/30![Delta logo]()
$315
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:10 am
BOS
- BOI
1 stop8h 01m
Delta
Sat 6/61:53 pm
BOI
- BOS
1 stop9h 35m
Delta
Deal found 5/3![Delta logo]()
$332
This American Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:00 am
BOS
- BOI
1 stop11h 07m
American Airlines
Fri 6/53:12 pm
BOI
- BOS
1 stop7h 16m
American Airlines
Deal found 5/4![American Airlines logo]()
$344
This Southwest deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/13:45 pm
BOS
- BOI
2 stops11h 00m
Southwest
Tue 6/164:05 pm
BOI
- BOS
1 stop6h 40m
Southwest
Deal found 5/3![Southwest logo]()
$317
This Southwest deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/13:45 pm
BOS
- BOI
2 stops11h 00m
Southwest
Fri 6/54:25 pm
BOI
- BOS
1 stop6h 35m
Southwest
Deal found 5/4![Southwest logo]()
$333
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:48 am
BOS
- BOI
1 stop8h 53m
Delta
Sat 6/61:53 pm
BOI
- BOS
1 stop8h 05m
Delta
Deal found 4/30![Delta logo]()
$285
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/53:55 pm
BOS
- BOI
1 stop9h 58m
Delta
Tue 6/161:11 pm
BOI
- BOS
1 stop8h 38m
Delta
Deal found 5/4![Delta logo]()
$342
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/138:01 am
BOS
- BOI
1 stop9h 05m
American Airlines
Sat 6/203:12 pm
BOI
- BOS
1 stop7h 16m
American Airlines
Deal found 4/29![American Airlines logo]()
$345
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 May 4, 2026.
Search for one-way flight options from Maine to Idaho. Find affordable one-way fares based on user searches. Data last updated May 4, 2026.
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/65:35 am
BOS
- BOI
1 stop9h 08m
Delta
Deal found 4/30![Delta logo]()
$143
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:48 am
BOS
- GEG
1 stop10h 43m
Delta
Deal found 4/29![Delta logo]()
$147
This Southwest deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/282:30 pm
BOS
- GEG
2 stops13h 00m
Southwest
Deal found 5/3![Southwest logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/278:44 am
BOS
- BOI
2 stops29h 46m
Frontier
Deal found 4/30![Frontier logo]()
$153
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/37:10 am
BOS
- GEG
1 stop9h 11m
Delta
Deal found 4/30![Delta logo]()
$155
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:00 am
BOS
- GEG
2 stops10h 19m
American Airlines
Deal found 4/30![American Airlines logo]()
$162
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 10/163:30 pm
BOS
- GEG
1 stop11h 12m
Delta
Deal found 5/3![Delta logo]()
$164
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/316:00 am
BOS
- JAC
1 stop11h 09m
American Airlines
Deal found 4/30![American Airlines logo]()
$170
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 7/285:45 am
BOS
- GEG
2 stops12h 26m
United Airlines
Deal found 5/3![United Airlines logo]()
$172
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/125:55 am
BOS
- BOI
1 stop9h 49m
Delta
Deal found 4/29![Delta logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/312:01 pm
BOS
- BOI
2 stops26h 37m
Frontier
Deal found 5/1![Frontier logo]()
$174
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/136:00 am
BOS
- GEG
1 stop9h 01m
American Airlines
Deal found 4/30![American Airlines logo]()
$175
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 May 4, 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 | $499 |
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 May 4, 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
Wed 10/7
3:30 pm-11:52 pm
1 stop10h 22m
Boise Air Term. Gowen Fld
Mon 10/12
12:42 pm-12:20 am
1 stop9h 38m
$285
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Wed 5/27
3:55 pm-10:13 pm
1 stop8h 18m
Boise Air Term. Gowen Fld
Tue 6/2
6:41 pm-6:20 am
1 stop9h 39m
$285
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Sat 5/30
5:51 am-1:18 pm
1 stop9h 27m
Boise Air Term. Gowen Fld
Fri 6/5
8:58 am-7:47 pm
1 stop8h 49m
$315
Quickest round-trip
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
2:50 pm-11:55 pm
1 stop7h 05m
$315
BostonIdaho Falls
BOS - IDA
BOSIDA
Boston Logan Intl
Sat 6/20
2:10 pm-10:31 pm
2 stops10h 21m
Idaho Falls Fanning Field
Mon 6/29
7:00 pm-6:05 am
1 stop9h 05m
$374
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Wed 7/15
5:55 am-10:57 am
1 stop7h 02m
Boise Air Term. Gowen Fld
Wed 7/22
11:42 pm-9:39 am
1 stop7h 57m
$381
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Tue 10/20
10:50 am-9:31 pm
2 stops12h 41m
Boise Air Term. Gowen Fld
Wed 10/21
7:05 pm-6:13 am
1 stop9h 08m
$400
BostonHailey
BOS - SUN
BOSSUN
Boston Logan Intl
Sat 5/30
6:10 am-11:57 am
1 stop7h 47m
Hailey Sun Valley-Friedman
Tue 6/2
3:20 pm-11:58 pm
1 stop6h 38m
$401
BostonSpokane
BOS - GEG
BOSGEG
Boston Logan Intl
Thu 7/9
2:10 pm-11:25 pm
2 stops12h 15m
Spokane
Wed 7/15
2:55 pm-12:45 am
1 stop6h 50m
$411
BostonHailey
BOS - SUN
BOSSUN
Boston Logan Intl
Mon 7/27
5:30 am-2:31 pm
2 stops11h 01m
Hailey Sun Valley-Friedman
Wed 7/29
7:20 am-8:00 pm
2 stops10h 40m
$411
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
BOS-IDA
PWM-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
BOS-GEG
PWM-BOI
BOS-IDA
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 May 4, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited 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
Boarding
8.1
Overall
7.9
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Boarding
8.1
Overall
7.9
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Boarding
8.1
Overall
7.9
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Boarding
8.1
Overall
7.9
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Boarding
8.1
Overall
7.9
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
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 May 4, 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 4 airlines flying from Maine to Idaho
Discover the top 4 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 May 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$312 | Average$481 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$332 | Average$418 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$352 | Average$447 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$356 | Average$606 | FlexibilityNo cancel fee | On-time69% |