$124+ Cheap flights from New Hampshire 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — BOI
May 3 — May 101
Round-trip
1 adult, Economy
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Find cheap flights from New Hampshire 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
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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 New Hampshire to Idaho
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Cheapest flights from New Hampshire to IdahoExplore the most affordable flight options available from New Hampshire to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2026.
Explore the most affordable flight options available from New Hampshire to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2026.
This Delta deal was found by Cheapflights users on 4/1. 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 5/276:16 pm
BOS
- BOI
1 stop7h 30m
Delta
Tue 6/96:42 pm
BOI
- BOS
1 stop9h 23m
Delta
Deal found 4/1![Delta logo]()
$247
This Southwest deal was found by Cheapflights users on 4/1. 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.
Mon 5/43:45 pm
BOS
- BOI
2 stops11h 00m
Southwest
Wed 5/63:15 pm
BOI
- BOS
1 stop6h 50m
Southwest
Deal found 4/1![Southwest logo]()
$252
This American Airlines deal was found by Cheapflights users on 4/1. 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 5/237:00 am
BOS
- BOI
1 stop10h 07m
American Airlines
Sat 5/303:11 pm
BOI
- BOS
1 stop7h 04m
American Airlines
Deal found 4/1![American Airlines logo]()
$266
This Delta deal was found by Cheapflights users on 4/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/95:55 am
BOS
- BOI
1 stop7h 03m
Delta
Thu 6/117:53 pm
BOI
- BOS
1 stop9h 42m
Delta
Deal found 4/2![Delta logo]()
$285
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:15 am
BOS
- BOI
1 stop10h 19m
Delta
Sat 5/306:41 pm
BOI
- BOS
1 stop9h 39m
Delta
Deal found 3/31![Delta logo]()
$290
This Delta deal was found by Cheapflights users on 4/1. 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.
Tue 5/196:15 am
BOS
- GEG
1 stop12h 18m
Delta
Wed 5/271:11 pm
GEG
- BOS
1 stop8h 29m
Delta
Deal found 4/1![Delta logo]()
$293
This Delta deal was found by Cheapflights users on 4/1. 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.
Fri 5/295:51 am
BOS
- BOI
1 stop9h 27m
Delta
Tue 6/96:42 pm
BOI
- BOS
1 stop9h 23m
Delta
Deal found 4/1![Delta logo]()
$296
This United Airlines deal was found by Cheapflights users on 4/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:05 am
BOS
- GEG
2 stops11h 10m
United Airlines
Wed 4/291:46 pm
GEG
- BOS
1 stop7h 13m
United Airlines
Deal found 4/1![United Airlines logo]()
$298
This Delta deal was found by Cheapflights users on 4/1. 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.
Thu 6/45:51 am
BOS
- BOI
1 stop9h 27m
Delta
Tue 6/1610:29 am
BOI
- BOS
1 stop9h 30m
Delta
Deal found 4/1![Delta logo]()
$299
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:15 am
BOS
- GEG
1 stop12h 18m
Delta
Mon 6/111:05 am
GEG
- BOS
1 stop10h 35m
Delta
Deal found 3/31![Delta logo]()
$301
This Southwest deal was found by Cheapflights users on 4/1. 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.
Wed 4/222:25 pm
BOS
- GEG
2 stops11h 30m
Southwest
Wed 4/295:10 am
GEG
- BOS
2 stops10h 25m
Southwest
Deal found 4/1![Southwest logo]()
$303
This Delta deal was found by Cheapflights users on 4/1. 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 5/206:15 am
BOS
- BOI
1 stop10h 19m
Delta
Tue 6/211:39 pm
BOI
- BOS
2 stops15h 05m
Delta
Deal found 4/1![Delta logo]()
$303
Best flights from New Hampshire to IdahoDiscover carefully curated flight deals from New Hampshire to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 3, 2026.
Discover carefully curated flight deals from New Hampshire to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 3, 2026.
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:15 am
BOS
- BOI
1 stop10h 19m
Delta
Sat 5/306:41 pm
BOI
- BOS
1 stop9h 39m
Delta
Deal found 3/31![Delta logo]()
$290
This Southwest deal was found by Cheapflights users on 4/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/285:35 am
BOS
- GEG
1 stop7h 40m
Southwest
Fri 5/12:50 pm
GEG
- BOS
1 stop7h 00m
Southwest
Deal found 4/2![Southwest logo]()
$310
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2812:30 pm
BOS
- GEG
1 stop9h 21m
United Airlines
Tue 5/51:41 pm
GEG
- BOS
1 stop7h 18m
United Airlines
Deal found 3/31![United Airlines logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 4/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/18:05 am
BOS
- GEG
1 stop16h 40m
Alaska Airlines
Tue 6/912:36 pm
GEG
- BOS
1 stop14h 44m
Alaska Airlines
Deal found 4/1![Alaska Airlines logo]()
$356
This American Airlines deal was found by Cheapflights users on 4/2. 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 8/116:45 am
BOS
- IDA
1 stop8h 59m
American Airlines
Tue 8/2512:12 pm
IDA
- BOS
1 stop8h 58m
American Airlines
Deal found 4/2![American Airlines logo]()
$396
This Delta deal was found by Cheapflights users on 4/1. 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 5/66:15 am
BOS
- GEG
1 stop8h 58m
Delta
Mon 5/1110:40 pm
GEG
- BOS
1 stop8h 06m
Delta
Deal found 4/1![Delta logo]()
$301
This Delta deal was found by Cheapflights users on 4/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/217:10 am
BOS
- GEG
1 stop9h 11m
Delta
Tue 8/410:48 pm
GEG
- BOS
1 stop10h 53m
Delta
Deal found 4/2![Delta logo]()
$305
This Alaska Airlines deal was found by Cheapflights users on 4/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/18:05 am
BOS
- GEG
1 stop16h 40m
Alaska Airlines
Mon 6/812:36 pm
GEG
- BOS
1 stop14h 44m
Alaska Airlines
Deal found 4/1![Alaska Airlines logo]()
$356
This Delta deal was found by Cheapflights users on 4/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/117:15 am
BOS
- GEG
1 stop9h 03m
Delta
Mon 6/155:05 pm
GEG
- BOS
1 stop10h 00m
Delta
Deal found 4/2![Delta logo]()
$309
This Southwest deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2912:45 pm
MHT
- GEG
2 stops13h 40m
Southwest
Wed 5/67:00 am
GEG
- MHT
2 stops11h 05m
Southwest
Deal found 3/30![Southwest logo]()
$397
This United Airlines deal was found by Cheapflights users on 4/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:00 am
BOS
- GEG
2 stops12h 18m
United Airlines
Tue 5/51:41 pm
GEG
- BOS
1 stop7h 18m
United Airlines
Deal found 4/1![United Airlines logo]()
$408
This American Airlines deal was found by Cheapflights users on 3/30. 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 5/1612:12 pm
MHT
- GEG
2 stops13h 57m
American Airlines
Tue 5/196:34 am
GEG
- MHT
2 stops14h 15m
American Airlines
Deal found 3/30![American Airlines logo]()
$409
This Alaska Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/24:33 pm
BOS
- GEG
1 stop9h 38m
Alaska Airlines
Tue 5/56:00 am
GEG
- BOS
1 stop8h 42m
Alaska Airlines
Deal found 3/29![Alaska Airlines logo]()
$372
This Delta deal was found by Cheapflights users on 3/29. 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.
Tue 5/196:10 am
BOS
- BOI
1 stop7h 46m
Delta
Tue 6/26:41 pm
BOI
- BOS
1 stop9h 39m
Delta
Deal found 3/29![Delta logo]()
$323
This Southwest deal was found by Cheapflights users on 3/29. 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.
Wed 5/275:35 am
BOS
- BOI
1 stop7h 20m
Southwest
Tue 6/26:00 am
BOI
- BOS
2 stops10h 35m
Southwest
Deal found 3/29![Southwest logo]()
$400
This United Airlines deal was found by Cheapflights users on 4/2. 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.
Sat 5/25:45 am
BOS
- BOI
2 stops11h 41m
United Airlines
Tue 5/55:00 am
BOI
- BOS
2 stops9h 24m
United Airlines
Deal found 4/2![United Airlines logo]()
$438
This Alaska Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1210:30 am
BOS
- IDA
1 stop14h 26m
Alaska Airlines
Sat 9/194:14 pm
IDA
- BOS
1 stop11h 55m
Alaska Airlines
Deal found 3/31![Alaska Airlines logo]()
$409
This Southwest deal was found by Cheapflights users on 4/1. 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.
Mon 6/13:45 pm
BOS
- BOI
2 stops11h 00m
Southwest
Wed 6/107:55 pm
BOI
- BOS
2 stops10h 15m
Southwest
Deal found 4/1![Southwest logo]()
$421
This American Airlines deal was found by Cheapflights users on 4/3. 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.
Wed 9/27:00 am
BOS
- JAC
2 stops10h 26m
American Airlines
Wed 9/93:32 pm
JAC
- BOS
1 stop16h 41m
American Airlines
Deal found 4/3![American Airlines logo]()
$486
This Delta deal was found by Cheapflights users on 3/29. 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 4/306:15 am
BOS
- IDA
1 stop8h 11m
Delta
Wed 5/66:58 pm
IDA
- BOS
1 stop9h 02m
Delta
Deal found 3/29![Delta logo]()
$369
This Alaska Airlines deal was found by Cheapflights users on 4/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/97:20 am
BOS
- SUN
1 stop28h 18m
Alaska Airlines
Fri 6/1210:20 am
SUN
- BOS
1 stop11h 39m
Alaska Airlines
Deal found 4/1![Alaska Airlines logo]()
$420
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1812:00 pm
PWM
- JAC
1 stop8h 52m
United Airlines
Tue 8/2510:51 am
JAC
- PWM
2 stops11h 08m
United Airlines
Deal found 3/31![United Airlines logo]()
$467
This Southwest deal was found by Cheapflights users on 3/29. 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.
Tue 5/265:35 am
BOS
- BOI
1 stop7h 20m
Southwest
Tue 6/26:00 am
BOI
- BOS
2 stops10h 35m
Southwest
Deal found 3/29![Southwest logo]()
$444
This Delta deal was found by Cheapflights users on 4/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:10 am
BOS
- BOI
1 stop7h 46m
Delta
Mon 6/19:18 pm
BOI
- BOS
1 stop8h 15m
Delta
Deal found 4/2![Delta logo]()
$372
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:15 am
PWM
- JAC
2 stops12h 36m
American Airlines
Tue 8/253:30 pm
JAC
- PWM
1 stop21h 30m
American Airlines
Deal found 3/31![American Airlines logo]()
$508
This Alaska Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:11 pm
BOS
- BOI
1 stop17h 52m
Alaska Airlines
Sun 6/79:00 am
BOI
- BOS
1 stop19h 20m
Alaska Airlines
Deal found 3/29![Alaska Airlines logo]()
$421
This Delta deal was found by Cheapflights users on 3/29. 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 4/252:10 pm
BOS
- IDA
2 stops10h 30m
Delta
Sun 5/36:58 pm
IDA
- BOS
1 stop9h 02m
Delta
Deal found 3/29![Delta logo]()
$374
This United Airlines deal was found by Cheapflights users on 4/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/211:34 am
PWM
- BOI
2 stops11h 43m
United Airlines
Tue 5/58:02 am
BOI
- PWM
2 stops13h 27m
United Airlines
Deal found 4/1![United Airlines logo]()
$511
This Southwest deal was found by Cheapflights users on 4/1. 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.
Wed 5/612:45 pm
MHT
- GEG
2 stops13h 10m
Southwest
Sun 5/106:25 am
GEG
- MHT
2 stops12h 30m
Southwest
Deal found 4/1![Southwest logo]()
$473
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:28 am
PWM
- BOI
1 stop9h 52m
American Airlines
Sun 5/316:26 am
BOI
- PWM
1 stop8h 20m
American Airlines
Deal found 3/31![American Airlines logo]()
$537
Last-minute flights from New Hampshire to IdahoDiscover last-minute flight deals from New Hampshire to Idaho. Data last updated April 3, 2026 and is based on user searches.
Discover last-minute flight deals from New Hampshire to Idaho. Data last updated April 3, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 4/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:05 am
BOS
- GEG
2 stops11h 10m
United Airlines
Wed 4/291:46 pm
GEG
- BOS
1 stop7h 13m
United Airlines
Deal found 4/1![United Airlines logo]()
$298
This Southwest deal was found by Cheapflights users on 4/1. 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.
Wed 4/222:25 pm
BOS
- GEG
2 stops11h 30m
Southwest
Wed 4/295:10 am
GEG
- BOS
2 stops10h 25m
Southwest
Deal found 4/1![Southwest logo]()
$303
This Southwest deal was found by Cheapflights users on 4/1. 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.
Mon 5/43:45 pm
BOS
- BOI
2 stops11h 00m
Southwest
Wed 5/63:15 pm
BOI
- BOS
1 stop6h 50m
Southwest
Deal found 4/1![Southwest logo]()
$252
This Expedia deal was found by Cheapflights users on 4/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:42 pm
BOS
- BOI
1 stop17h 00m
Alaska Airlines
Wed 5/66:08 pm
BOI
- BOS
1 stop11h 04m
Alaska Airlines
Deal found 4/1![Alaska Airlines logo]()
$285
This American Airlines deal was found by Cheapflights users on 4/2. 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.
Sat 5/96:00 am
BOS
- BOI
1 stop9h 03m
American Airlines
Tue 5/121:29 pm
BOI
- BOS
1 stop6h 59m
American Airlines
Deal found 4/2![American Airlines logo]()
$307
This Delta deal was found by Cheapflights users on 4/1. 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.
Tue 5/196:15 am
BOS
- GEG
1 stop12h 18m
Delta
Wed 5/271:11 pm
GEG
- BOS
1 stop8h 29m
Delta
Deal found 4/1![Delta logo]()
$293
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:15 am
BOS
- GEG
1 stop12h 18m
Delta
Mon 6/111:05 am
GEG
- BOS
1 stop10h 35m
Delta
Deal found 3/31![Delta logo]()
$301
This Delta deal was found by Cheapflights users on 4/1. 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 5/206:15 am
BOS
- BOI
1 stop10h 19m
Delta
Tue 6/211:39 pm
BOI
- BOS
2 stops15h 05m
Delta
Deal found 4/1![Delta logo]()
$303
This American Airlines deal was found by Cheapflights users on 4/1. 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 5/237:00 am
BOS
- BOI
1 stop10h 07m
American Airlines
Sat 5/303:11 pm
BOI
- BOS
1 stop7h 04m
American Airlines
Deal found 4/1![American Airlines logo]()
$266
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:15 am
BOS
- BOI
1 stop10h 19m
Delta
Sat 5/306:41 pm
BOI
- BOS
1 stop9h 39m
Delta
Deal found 3/31![Delta logo]()
$290
This Delta deal was found by Cheapflights users on 4/1. 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 5/276:16 pm
BOS
- BOI
1 stop7h 30m
Delta
Tue 6/96:42 pm
BOI
- BOS
1 stop9h 23m
Delta
Deal found 4/1![Delta logo]()
$247
This Delta deal was found by Cheapflights users on 4/1. 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.
Fri 5/296:10 am
BOS
- BOI
1 stop7h 46m
Delta
Wed 6/39:18 pm
BOI
- BOS
1 stop8h 15m
Delta
Deal found 4/1![Delta logo]()
$296
One-way flights from New Hampshire to IdahoSearch for one-way flight options from New Hampshire to Idaho. Find affordable one-way fares based on user searches. Data last updated April 3, 2026.
Search for one-way flight options from New Hampshire to Idaho. Find affordable one-way fares based on user searches. Data last updated April 3, 2026.
This Delta deal was found by Cheapflights users on 4/1. 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 5/96:16 pm
BOS
- BOI
1 stop7h 30m
Delta
Deal found 4/1![Delta logo]()
$124
This United Airlines deal was found by Cheapflights users on 4/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/167:28 am
BOS
- BOI
1 stop11h 16m
United Airlines
Deal found 4/1![United Airlines logo]()
$143
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/278:10 am
BOS
- GEG
1 stop8h 01m
Delta
Deal found 3/31![Delta logo]()
$147
This Southwest deal was found by Cheapflights users on 4/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/43:45 pm
BOS
- BOI
2 stops11h 00m
Southwest
Deal found 4/2![Southwest logo]()
$148
This American Airlines deal was found by Cheapflights users on 4/1. 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.
Wed 5/276:00 am
BOS
- GEG
2 stops10h 14m
American Airlines
Deal found 4/1![American Airlines logo]()
$152
This American Airlines deal was found by Cheapflights users on 4/1. 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.
Thu 5/76:13 am
BOS
- GEG
1 stop11h 06m
American Airlines
Deal found 4/1![American Airlines logo]()
$155
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/24:24 pm
BOS
- GEG
1 stop9h 46m
American Airlines
Deal found 3/31![American Airlines logo]()
$159
This American Airlines deal was found by Cheapflights users on 3/29. 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 5/93:05 pm
BOS
- BOI
2 stops10h 36m
American Airlines
Deal found 3/29![American Airlines logo]()
$162
This Delta deal was found by Cheapflights users on 3/30. 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 5/266:10 am
BOS
- BOI
1 stop7h 46m
Delta
Deal found 3/30![Delta logo]()
$167
This Southwest deal was found by Cheapflights users on 4/1. 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.
Fri 5/13:45 pm
BOS
- GEG
2 stops11h 50m
Southwest
Deal found 4/1![Southwest logo]()
$169
This American Airlines deal was found by Cheapflights users on 4/1. 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 6/67:00 am
BOS
- BOI
2 stops9h 20m
American Airlines
Deal found 4/1![American Airlines logo]()
$172
This American Airlines deal was found by Cheapflights users on 4/1. 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.
Tue 6/302:27 pm
BOS
- BOI
1 stop10h 02m
American Airlines
Deal found 4/1![American Airlines logo]()
$173
Find flight deals from New Hampshire to Idaho
Keep the following information in mind while searching for New Hampshire to Idaho flight deals. Data was last updated April 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $247 (Delta) |
One-way from | $124 (Delta) |
Popular in | December |
Cheapest in | January |
Average price | $477 |
Cheapflights Fare Finder
Customize your flight search to find flights from New Hampshire 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 April 3, 2026.
Use the filters below to find and compare flights from New Hampshire to Idaho that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Tue 5/26
6:15 am-2:34 pm
1 stop10h 19m
Boise Air Term. Gowen Fld
Sat 5/30
6:41 pm-6:20 am
1 stop9h 39m
$290
BostonSpokane
BOS - GEG
BOSGEG
Boston Logan Intl
Wed 5/6
6:15 am-12:13 pm
1 stop8h 58m
Spokane
Mon 5/11
10:40 pm-9:46 am
1 stop8h 06m
$301
BostonSpokane
BOS - GEG
BOSGEG
Boston Logan Intl
Tue 7/21
7:10 am-1:21 pm
1 stop9h 11m
Spokane
Tue 8/4
10:48 pm-12:41 pm
1 stop10h 53m
$305
BostonSpokane
BOS - GEG
BOSGEG
Boston Logan Intl
Thu 6/11
7:15 am-1:18 pm
1 stop9h 03m
Spokane
Mon 6/15
5:05 pm-6:05 am
1 stop10h 00m
$309
Quickest round-trip
BostonSpokane
BOS - GEG
BOSGEG
Boston Logan Intl
Tue 4/28
5:35 am-10:15 am
1 stop7h 40m
Spokane
Fri 5/1
2:50 pm-12:50 am
1 stop7h 00m
$310
BostonSpokane
BOS - GEG
BOSGEG
Boston Logan Intl
Tue 4/28
12:30 pm-6:51 pm
1 stop9h 21m
Spokane
Tue 5/5
1:41 pm-11:59 pm
1 stop7h 18m
$317
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Tue 5/19
6:10 am-11:56 am
1 stop7h 46m
Boise Air Term. Gowen Fld
Tue 6/2
6:41 pm-6:20 am
1 stop9h 39m
$323
BostonSpokane
BOS - GEG
BOSGEG
Boston Logan Intl
Mon 6/1
8:05 am-9:45 pm
1 stop16h 40m
Spokane
Tue 6/9
12:36 pm-6:20 am
1 stop14h 44m
$356
BostonSpokane
BOS - GEG
BOSGEG
Boston Logan Intl
Mon 6/1
8:05 am-9:45 pm
1 stop16h 40m
Spokane
Mon 6/8
12:36 pm-6:20 am
1 stop14h 44m
$356
BostonIdaho Falls
BOS - IDA
BOSIDA
Boston Logan Intl
Thu 4/30
6:15 am-12:26 pm
1 stop8h 11m
Idaho Falls Fanning Field
Wed 5/6
6:58 pm-6:00 am
1 stop9h 02m
$369
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from New Hampshire to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from New Hampshire with our price prediction graph.
BOS-BOI
BOS-GEG
BOS-IDA
MHT-GEG
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 New Hampshire to Idaho
USNH-USID
BOS-BOI
BOS-GEG
BOS-IDA
MHT-GEG
No data available for this route at this time. Please check back soon.
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 April 3, 2026.
Read reviews from past customers who have flown American Airlines from New Hampshire to Idaho. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.2
Boarding
7.5
Crew
7.9
Overall
7.1
Entertainment
6.9
Food
6.4
Reviews
1 / 20
4.0
OkayElizabeth,Mar 2026
ORD - MIA
Comfort
7.2
Boarding
7.5
Crew
7.9
Overall
7.1
Entertainment
6.9
Food
6.4
Reviews
1 / 20
4.0
OkayElizabeth,Mar 2026
ORD - MIA
Related info for your journey
Find useful and relevant information for your journey from New Hampshire 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 New Hampshire 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 New Hampshire to Idaho by cabin class
Find flights from New Hampshire to Idaho, based on your preferred cabin class, be it economy, premium economy, business, or first class.
New Hampshire and Idaho flights
Browse other New Hampshire and Idaho flight options. Last updated on April 3, 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 New Hampshire after your stay in Idaho
New Hampshire to Idaho flights
Consider these flights traveling from New Hampshire to Idaho.
Top airline flying from New Hampshire to Idaho
Discover the top airline that operate flights from New Hampshire 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 April 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$464 | Average$774 | FlexibilityNo cancel fee | On-time71% |