$138+ Cheap flights from Idaho to New Hampshire
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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — MHT
Jun 4 — Jun 111
Round-trip
1 adult, Economy
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Find cheap flights from Idaho to New Hampshire with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Idaho to New HampshireExplore the most affordable flight options available from Idaho to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 5, 2026.
Explore the most affordable flight options available from Idaho to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 5, 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 9/91:43 pm
BOI
- BOS
1 stop9h 23m
Delta
Mon 9/145:40 am
BOS
- BOI
1 stop10h 23m
Delta
Deal found 5/1![Delta logo]()
$285
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.
Tue 7/147:08 pm
GEG
- BOS
1 stop7h 57m
Delta
Tue 7/217:10 am
BOS
- GEG
1 stop7h 29m
Delta
Deal found 5/1![Delta logo]()
$293
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.
Mon 6/293:12 pm
BOI
- BOS
1 stop7h 16m
American Airlines
Wed 7/157:00 am
BOS
- BOI
1 stop9h 20m
American Airlines
Deal found 5/4![American Airlines logo]()
$298
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.
Sat 8/82:46 pm
BOI
- BOS
1 stop7h 13m
American Airlines
Wed 8/126:10 am
BOS
- BOI
1 stop10h 04m
American Airlines
Deal found 5/3![American Airlines logo]()
$299
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.
Sun 5/244:59 pm
GEG
- BOS
1 stop10h 21m
Delta
Mon 6/111:55 am
BOS
- GEG
1 stop8h 02m
Delta
Deal found 4/30![Delta logo]()
$301
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 7/75:36 pm
BOI
- BOS
1 stop10h 09m
American Airlines
Tue 7/146:00 am
BOS
- BOI
1 stop10h 47m
American Airlines
Deal found 5/4![American Airlines logo]()
$309
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.
Thu 10/221:00 pm
GEG
- BOS
1 stop8h 20m
Delta
Mon 10/263:30 pm
BOS
- GEG
1 stop8h 35m
Delta
Deal found 5/1![Delta logo]()
$309
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.
Fri 8/215:00 pm
GEG
- BOS
1 stop10h 09m
Delta
Tue 8/255:40 am
BOS
- GEG
1 stop10h 27m
Delta
Deal found 5/1![Delta logo]()
$310
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.
Fri 10/162:35 pm
BOI
- BOS
1 stop7h 45m
Delta
Tue 10/205:40 am
BOS
- BOI
1 stop9h 02m
Delta
Deal found 5/1![Delta logo]()
$315
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 8/45:36 pm
BOI
- BOS
1 stop10h 09m
American Airlines
Mon 8/176:10 am
BOS
- BOI
1 stop10h 04m
American Airlines
Deal found 5/3![American Airlines logo]()
$317
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.
Mon 6/15:39 pm
GEG
- BOS
1 stop10h 54m
Delta
Fri 6/511:55 am
BOS
- GEG
1 stop8h 02m
Delta
Deal found 5/1![Delta logo]()
$318
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.
Wed 6/107:08 pm
GEG
- BOS
1 stop7h 57m
Delta
Sun 6/147:15 am
BOS
- GEG
1 stop9h 03m
Delta
Deal found 4/30![Delta logo]()
$321
Best flights from Idaho to New HampshireDiscover carefully curated flight deals from Idaho to New Hampshire that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 5, 2026.
Discover carefully curated flight deals from Idaho to New Hampshire that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 5, 2026.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:43 pm
BOI
- BOS
1 stop9h 23m
Delta
Mon 9/145:40 am
BOS
- BOI
1 stop10h 23m
Delta
Deal found 5/2![Delta logo]()
$285
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:00 am
IDA
- BOS
1 stop8h 32m
Alaska Airlines
Tue 6/26:00 am
BOS
- IDA
1 stop9h 17m
Alaska Airlines
Deal found 5/4![Alaska Airlines logo]()
$369
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.
Sat 8/84:00 pm
BOI
- BOS
2 stops12h 00m
Southwest
Wed 8/122:10 pm
BOS
- BOI
2 stops11h 00m
Southwest
Deal found 5/3![Southwest logo]()
$389
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:37 am
BOI
- BOS
2 stops10h 43m
United Airlines
Wed 8/2611:00 am
BOS
- BOI
2 stops12h 25m
United Airlines
Deal found 4/30![United Airlines logo]()
$405
This American Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 9/241:44 pm
IDA
- BOS
1 stop8h 10m
American Airlines
Wed 9/3010:40 am
BOS
- IDA
2 stops12h 42m
American Airlines
Deal found 5/5![American Airlines logo]()
$501
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.
Fri 7/35:10 pm
GEG
- BOS
1 stop9h 55m
Delta
Tue 7/78:16 am
BOS
- GEG
1 stop8h 05m
Delta
Deal found 4/30![Delta logo]()
$293
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.
Sun 5/241:30 pm
GEG
- BOS
1 stop7h 28m
Delta
Mon 6/16:15 am
BOS
- GEG
1 stop12h 18m
Delta
Deal found 5/4![Delta logo]()
$301
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/77:01 am
GEG
- BOS
1 stop19h 43m
Alaska Airlines
Tue 6/96:00 am
BOS
- GEG
1 stop8h 52m
Alaska Airlines
Deal found 5/1![Alaska Airlines logo]()
$374
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:14 pm
GEG
- BOS
1 stop10h 16m
Delta
Tue 8/257:45 am
BOS
- GEG
1 stop10h 34m
Delta
Deal found 5/5![Delta logo]()
$310
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/14:05 pm
BOI
- BOS
1 stop6h 40m
Southwest
Mon 7/61:20 pm
BOS
- BOI
2 stops9h 50m
Southwest
Deal found 4/30![Southwest logo]()
$406
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/291:41 pm
GEG
- BOS
1 stop7h 03m
United Airlines
Tue 6/211:00 am
BOS
- GEG
2 stops13h 05m
United Airlines
Deal found 5/4![United Airlines logo]()
$408
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:42 pm
BOI
- BOS
1 stop9h 41m
Delta
Fri 10/23:30 pm
BOS
- BOI
1 stop10h 29m
Delta
Deal found 5/2![Delta logo]()
$315
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/27:35 am
BOI
- BOS
1 stop13h 30m
Southwest
Thu 7/92:10 pm
BOS
- BOI
2 stops10h 45m
Southwest
Deal found 5/2![Southwest logo]()
$422
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.
Thu 7/162:26 pm
GEG
- BOS
1 stop6h 29m
Delta
Sun 7/195:55 am
BOS
- GEG
1 stop8h 44m
Delta
Deal found 5/1![Delta logo]()
$329
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.
Sat 10/109:04 am
GEG
- PWM
2 stops11h 47m
American Airlines
Sat 10/177:14 am
PWM
- GEG
1 stop7h 21m
American Airlines
Deal found 5/2![American Airlines logo]()
$508
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:00 am
BOI
- BOS
2 stops10h 00m
Southwest
Mon 7/271:20 pm
BOS
- BOI
1 stop9h 50m
Southwest
Deal found 5/2![Southwest logo]()
$423
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 6/3010:35 am
JAC
- BOS
2 stops9h 20m
United Airlines
Tue 7/76:00 am
BOS
- JAC
1 stop7h 35m
United Airlines
Deal found 5/2![United Airlines logo]()
$468
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:45 pm
IDA
- BOS
1 stop15h 54m
Alaska Airlines
Wed 9/309:30 am
BOS
- IDA
1 stop29h 36m
Alaska Airlines
Deal found 5/1![Alaska Airlines logo]()
$469
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.
Thu 8/62:50 pm
BOI
- BOS
1 stop7h 07m
Delta
Thu 8/136:00 am
BOS
- BOI
1 stop10h 34m
Delta
Deal found 5/1![Delta logo]()
$342
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 7/77:55 pm
BOI
- BOS
2 stops10h 05m
Southwest
Mon 7/134:30 pm
BOS
- BOI
1 stop9h 50m
Southwest
Deal found 5/1![Southwest logo]()
$426
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 6/212:33 pm
JAC
- PWM
1 stop7h 18m
United Airlines
Tue 6/96:00 am
PWM
- JAC
2 stops13h 54m
United Airlines
Deal found 5/2![United Airlines logo]()
$471
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.
Fri 7/109:54 am
JAC
- BOS
1 stop7h 12m
American Airlines
Fri 7/175:10 am
BOS
- JAC
1 stop12h 29m
American Airlines
Deal found 4/30![American Airlines logo]()
$537
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/35:10 pm
GEG
- BOS
2 stops11h 55m
Southwest
Tue 7/75:00 am
BOS
- GEG
1 stop7h 35m
Southwest
Deal found 4/30![Southwest logo]()
$434
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.
Thu 7/162:26 pm
GEG
- BOS
1 stop6h 29m
Delta
Mon 7/205:55 am
BOS
- GEG
1 stop8h 44m
Delta
Deal found 5/1![Delta logo]()
$359
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 8/255:00 am
BOI
- PWM
2 stops10h 44m
United Airlines
Wed 8/266:00 am
PWM
- BOI
1 stop7h 25m
United Airlines
Deal found 5/3![United Airlines logo]()
$498
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.
Wed 7/13:48 pm
JAC
- BOS
1 stop15h 46m
American Airlines
Wed 7/87:00 am
BOS
- JAC
1 stop10h 39m
American Airlines
Deal found 4/30![American Airlines logo]()
$551
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.
Tue 8/256:21 pm
GEG
- PWM
2 stops13h 10m
Alaska Airlines
Wed 8/263:06 pm
PWM
- GEG
2 stops11h 53m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$555
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:15 am
SUN
- BOS
2 stops13h 39m
United Airlines
Wed 9/210:51 am
BOS
- SUN
1 stop9h 59m
United Airlines
Deal found 4/30![United Airlines logo]()
$516
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.
Wed 9/307:30 am
GEG
- PWM
2 stops11h 35m
Southwest
Tue 10/610:25 am
PWM
- GEG
2 stops14h 10m
Southwest
Deal found 5/3![Southwest logo]()
$473
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/224:03 pm
IDA
- BOS
1 stop12h 17m
Alaska Airlines
Mon 5/257:20 am
BOS
- IDA
1 stop10h 06m
Alaska Airlines
Deal found 5/4![Alaska Airlines logo]()
$575
Last-minute flights from Idaho to New HampshireDiscover last-minute flight deals from Idaho to New Hampshire. Data last updated May 5, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to New Hampshire. Data last updated May 5, 2026 and is based on user searches.
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 5/236:41 pm
BOI
- BOS
1 stop9h 39m
Delta
Sat 5/305:35 am
BOS
- BOI
1 stop9h 08m
Delta
Deal found 4/30![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.
Sun 5/244:59 pm
GEG
- BOS
1 stop10h 21m
Delta
Mon 6/111:55 am
BOS
- GEG
1 stop8h 02m
Delta
Deal found 4/30![Delta logo]()
$301
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 5/257:25 am
GEG
- BOS
1 stop9h 24m
Delta
Mon 6/111:55 am
BOS
- GEG
1 stop8h 02m
Delta
Deal found 4/30![Delta logo]()
$309
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.
Tue 5/262:08 pm
GEG
- BOS
1 stop7h 07m
American Airlines
Sun 5/316:00 am
BOS
- GEG
1 stop9h 01m
American Airlines
Deal found 5/1![American Airlines logo]()
$322
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 5/262:08 pm
GEG
- BOS
1 stop7h 07m
American Airlines
Mon 6/15:05 pm
BOS
- GEG
1 stop9h 09m
American Airlines
Deal found 4/30![American Airlines logo]()
$325
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.
Fri 5/295:00 am
GEG
- BOS
1 stop10h 11m
Alaska Airlines
Tue 6/27:20 am
BOS
- GEG
1 stop8h 44m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$310
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.
Fri 5/299:16 pm
BOI
- BOS
1 stop8h 19m
Delta
Fri 6/56:10 am
BOS
- BOI
1 stop7h 46m
Delta
Deal found 4/30![Delta logo]()
$315
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 5/303:11 pm
BOI
- BOS
1 stop7h 04m
American Airlines
Sat 6/67:00 am
BOS
- BOI
2 stops10h 06m
American Airlines
Deal found 5/1![American Airlines logo]()
$331
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.
Mon 6/15:39 pm
GEG
- BOS
1 stop10h 54m
Delta
Fri 6/511:55 am
BOS
- GEG
1 stop8h 02m
Delta
Deal found 5/1![Delta logo]()
$318
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.
Tue 6/24:13 pm
GEG
- BOS
1 stop10h 23m
Delta
Tue 6/98:15 am
BOS
- GEG
1 stop8h 03m
Delta
Deal found 5/1![Delta logo]()
$293
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.
Wed 6/107:08 pm
GEG
- BOS
1 stop7h 57m
Delta
Sun 6/147:15 am
BOS
- GEG
1 stop9h 03m
Delta
Deal found 4/30![Delta logo]()
$321
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.
Mon 6/293:12 pm
BOI
- BOS
1 stop7h 16m
American Airlines
Wed 7/157:00 am
BOS
- BOI
1 stop9h 20m
American Airlines
Deal found 5/4![American Airlines logo]()
$298
One-way flights from Idaho to New HampshireSearch for one-way flight options from Idaho to New Hampshire. Find affordable one-way fares based on user searches. Data last updated May 5, 2026.
Search for one-way flight options from Idaho to New Hampshire. Find affordable one-way fares based on user searches. Data last updated May 5, 2026.
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.
Wed 6/310:00 am
JAC
- BOS
1 stop8h 08m
American Airlines
Deal found 5/3![American Airlines logo]()
$138
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 7/72:50 pm
BOI
- BOS
1 stop7h 05m
Delta
Deal found 5/5![Delta logo]()
$143
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.
Tue 7/145:10 pm
GEG
- BOS
1 stop9h 55m
Delta
Deal found 5/1![Delta logo]()
$147
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 7/67:35 am
BOI
- BOS
1 stop13h 30m
Southwest
Deal found 5/4![Southwest logo]()
$148
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.
Wed 7/225:16 am
GEG
- BOS
1 stop11h 04m
American Airlines
Deal found 5/1![American Airlines logo]()
$149
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 8/126:30 am
GEG
- BOS
1 stop11h 15m
American Airlines
Deal found 5/4![American Airlines logo]()
$151
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.
Wed 6/311:35 am
JAC
- BOS
2 stops9h 16m
Delta
Deal found 5/3![Delta logo]()
$154
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.
Thu 8/612:35 pm
GEG
- BOS
1 stop8h 22m
Delta
Deal found 4/30![Delta logo]()
$155
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.
Fri 8/712:35 pm
GEG
- BOS
1 stop8h 22m
Delta
Deal found 5/1![Delta logo]()
$164
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.
Mon 6/111:07 am
JAC
- BOS
1 stop10h 02m
American Airlines
Deal found 5/2![American Airlines logo]()
$170
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 6/306:30 am
BOI
- BOS
1 stop8h 34m
United Airlines
Deal found 5/2![United Airlines logo]()
$170
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 5/316:41 pm
BOI
- BOS
1 stop9h 39m
Delta
Deal found 5/1![Delta logo]()
$173
Find flight deals from Idaho to New Hampshire
Keep the following information in mind while searching for Idaho to New Hampshire flight deals. Data was last updated May 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $285 (Delta) |
One-way from | $138 (American Airlines) |
Popular in | April |
Cheapest in | December |
Average price | $436 |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho to New Hampshire 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 5, 2026.
Use the filters below to find and compare flights from Idaho to New Hampshire that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoiseBoston
BOI - BOS
BOIBOS
Boise Air Term. Gowen Fld
Wed 9/9
1:43 pm-1:06 am
1 stop9h 23m
Boston Logan Intl
Mon 9/14
5:40 am-2:03 pm
1 stop10h 23m
$285
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Fri 7/3
5:10 pm-6:05 am
1 stop9h 55m
Boston Logan Intl
Tue 7/7
8:16 am-1:21 pm
1 stop8h 05m
$293
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Sun 5/24
1:30 pm-11:58 pm
1 stop7h 28m
Boston Logan Intl
Mon 6/1
6:15 am-3:33 pm
1 stop12h 18m
$301
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Fri 8/21
5:14 pm-6:30 am
1 stop10h 16m
Boston Logan Intl
Tue 8/25
7:45 am-3:19 pm
1 stop10h 34m
$310
BoiseBoston
BOI - BOS
BOIBOS
Boise Air Term. Gowen Fld
Thu 9/24
12:42 pm-12:23 am
1 stop9h 41m
Boston Logan Intl
Fri 10/2
3:30 pm-11:59 pm
1 stop10h 29m
$315
Quickest round-trip
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Thu 7/16
2:26 pm-11:55 pm
1 stop6h 29m
Boston Logan Intl
Sun 7/19
5:55 am-11:39 am
1 stop8h 44m
$329
BoiseBoston
BOI - BOS
BOIBOS
Boise Air Term. Gowen Fld
Thu 8/6
2:50 pm-11:57 pm
1 stop7h 07m
Boston Logan Intl
Thu 8/13
6:00 am-2:34 pm
1 stop10h 34m
$342
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Thu 7/16
2:26 pm-11:55 pm
1 stop6h 29m
Boston Logan Intl
Mon 7/20
5:55 am-11:39 am
1 stop8h 44m
$359
Idaho FallsBoston
IDA - BOS
IDABOS
Idaho Falls Fanning Field
Fri 5/29
6:00 am-4:32 pm
1 stop8h 32m
Boston Logan Intl
Tue 6/2
6:00 am-1:17 pm
1 stop9h 17m
$369
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Sun 6/7
7:01 am-5:44 am
1 stop19h 43m
Boston Logan Intl
Tue 6/9
6:00 am-11:52 am
1 stop8h 52m
$374
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Idaho to New Hampshire
Have a flexible travel schedule? Discover the best time to fly to New Hampshire from Idaho with our price prediction graph.
BOI-BOS
GEG-BOS
JAC-BOS
BOI-MHT
BOI-PWM
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Idaho to New Hampshire
USID-USNH
BOI-BOS
GEG-BOS
JAC-BOS
BOI-MHT
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing New Hampshire
Get insights into the airlines that provide service to New Hampshire. 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 New Hampshire. Reviews last updated May 5, 2026.
Read reviews from past customers who have flown American Airlines from Idaho to New Hampshire. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
6.9
Overall
7.1
Boarding
7.5
Food
6.4
Comfort
7.2
Crew
7.9
Reviews
1 / 20
2.0
MediocreAnonymous,Apr 2026
DFW - BDL
Entertainment
6.9
Overall
7.1
Boarding
7.5
Food
6.4
Comfort
7.2
Crew
7.9
Reviews
1 / 20
2.0
MediocreAnonymous,Apr 2026
DFW - BDL
Related info for your journey
Find useful and relevant information for your journey from Idaho to New Hampshire. 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
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Alternative routes for Idaho to New Hampshire
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to New Hampshire by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Idaho to New Hampshire by cabin class
Find flights from Idaho to New Hampshire, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Idaho and New Hampshire flights
Browse other Idaho and New Hampshire flight options. Last updated on May 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from New Hampshire
Find the right flight back to Idaho after your stay in New Hampshire
Idaho to New Hampshire flights
Consider these flights traveling from Idaho to New Hampshire.
Top airline flying from Idaho to New Hampshire
Discover the top airline that operate flights from Idaho to New Hampshire. 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 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$352 | Average$527 | FlexibilityNo cancel fee | On-time71% |