$143+ 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — MHT
May 19 — May 261
Round-trip
1 adult, Economy
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Find cheap flights from Idaho to New Hampshire with Cheapflights
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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 April 19, 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 April 19, 2026.
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:43 pm
BOI
- BOS
1 stop9h 23m
Delta
Mon 9/143:30 pm
BOS
- BOI
1 stop10h 29m
Delta
Deal found 4/17![Delta logo]()
$285
This Delta deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/304:59 pm
GEG
- BOS
1 stop10h 21m
Delta
Tue 6/911:25 am
BOS
- GEG
1 stop8h 32m
Delta
Deal found 4/14![Delta logo]()
$293
This United Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/231:41 pm
GEG
- BOS
1 stop7h 03m
United Airlines
Sun 5/245:45 am
BOS
- GEG
2 stops12h 27m
United Airlines
Deal found 4/15![United Airlines logo]()
$298
This American Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:10 pm
BOI
- BOS
1 stop9h 45m
American Airlines
Tue 10/66:05 am
BOS
- BOI
2 stops9h 57m
American Airlines
Deal found 4/16![American Airlines logo]()
$299
This American Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/22:08 pm
GEG
- BOS
1 stop7h 07m
American Airlines
Tue 6/96:00 am
BOS
- GEG
2 stops10h 14m
American Airlines
Deal found 4/17![American Airlines logo]()
$300
This Delta deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/14:59 pm
GEG
- BOS
1 stop10h 21m
Delta
Tue 6/96:05 am
BOS
- GEG
1 stop9h 10m
Delta
Deal found 4/14![Delta logo]()
$301
This United Airlines deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:30 pm
GEG
- BOS
1 stop9h 35m
United Airlines
Sat 11/146:00 am
BOS
- GEG
2 stops9h 40m
United Airlines
Deal found 4/18![United Airlines logo]()
$306
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:00 pm
GEG
- BOS
1 stop10h 11m
Delta
Mon 10/263:30 pm
BOS
- GEG
1 stop11h 12m
Delta
Deal found 4/16![Delta logo]()
$309
This American Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/23:11 pm
BOI
- BOS
1 stop7h 04m
American Airlines
Tue 6/96:00 am
BOS
- BOI
1 stop11h 07m
American Airlines
Deal found 4/14![American Airlines logo]()
$310
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:00 pm
GEG
- BOS
1 stop10h 09m
Delta
Tue 8/257:05 am
BOS
- GEG
1 stop8h 57m
Delta
Deal found 4/16![Delta logo]()
$310
This American Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1611:19 am
BOI
- BOS
1 stop10h 40m
American Airlines
Tue 6/236:00 am
BOS
- BOI
1 stop11h 07m
American Airlines
Deal found 4/14![American Airlines logo]()
$311
This American Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/302:08 pm
GEG
- BOS
1 stop7h 07m
American Airlines
Sat 6/67:00 am
BOS
- GEG
1 stop9h 14m
American Airlines
Deal found 4/17![American Airlines logo]()
$312
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 April 19, 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 April 19, 2026.
This Delta deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1012:00 pm
BOI
- BOS
1 stop10h 18m
Delta
Tue 6/165:55 am
BOS
- BOI
1 stop7h 03m
Delta
Deal found 4/14![Delta logo]()
$285
This Southwest deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/26:45 am
BOI
- BOS
1 stop14h 15m
Southwest
Wed 8/125:35 am
BOS
- BOI
2 stops11h 15m
Southwest
Deal found 4/18![Southwest logo]()
$345
This American Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/141:43 pm
IDA
- BOS
1 stop8h 11m
American Airlines
Wed 10/216:52 am
BOS
- IDA
1 stop7h 28m
American Airlines
Deal found 4/14![American Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/22:30 pm
JAC
- BOS
1 stop7h 29m
United Airlines
Wed 5/66:00 am
BOS
- JAC
2 stops11h 18m
United Airlines
Deal found 4/17![United Airlines logo]()
$424
This Alaska Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/512:15 pm
BOI
- BOS
1 stop9h 44m
Alaska Airlines
Wed 5/64:33 pm
BOS
- BOI
1 stop9h 26m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$441
This Delta deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/142:26 pm
GEG
- BOS
1 stop6h 31m
Delta
Tue 7/213:40 pm
BOS
- GEG
1 stop11h 19m
Delta
Deal found 4/15![Delta logo]()
$293
This Delta deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2412:35 pm
GEG
- BOS
1 stop8h 22m
Delta
Wed 7/87:10 am
BOS
- GEG
1 stop9h 11m
Delta
Deal found 4/14![Delta logo]()
$293
This Southwest deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/133:45 pm
BOI
- BOS
1 stop12h 15m
Southwest
Tue 8/189:05 am
BOS
- BOI
1 stop12h 40m
Southwest
Deal found 4/14![Southwest logo]()
$364
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/271:11 pm
GEG
- BOS
1 stop8h 29m
Delta
Mon 6/16:15 am
BOS
- GEG
1 stop12h 18m
Delta
Deal found 4/16![Delta logo]()
$301
This Delta deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:00 pm
GEG
- BOS
1 stop10h 09m
Delta
Mon 8/317:05 am
BOS
- GEG
1 stop10h 41m
Delta
Deal found 4/18![Delta logo]()
$301
This Southwest deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:55 am
BOI
- BOS
2 stops10h 00m
Southwest
Tue 10/205:15 am
BOS
- BOI
2 stops11h 45m
Southwest
Deal found 4/17![Southwest logo]()
$382
This American Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/62:08 pm
GEG
- PWM
1 stop7h 32m
American Airlines
Sat 6/1311:02 am
PWM
- GEG
2 stops12h 41m
American Airlines
Deal found 4/14![American Airlines logo]()
$438
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:00 pm
GEG
- BOS
1 stop10h 09m
Delta
Tue 8/257:05 am
BOS
- GEG
1 stop8h 57m
Delta
Deal found 4/16![Delta logo]()
$310
This Alaska Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:18 am
IDA
- BOS
1 stop10h 41m
Alaska Airlines
Wed 9/309:30 am
BOS
- IDA
1 stop29h 38m
Alaska Airlines
Deal found 4/17![Alaska Airlines logo]()
$469
This Southwest deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/203:45 pm
BOI
- BOS
1 stop12h 15m
Southwest
Sun 8/235:20 am
BOS
- BOI
1 stop7h 15m
Southwest
Deal found 4/15![Southwest logo]()
$396
This United Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:00 am
BOI
- PWM
1 stop8h 41m
United Airlines
Wed 5/63:23 pm
PWM
- BOI
1 stop7h 54m
United Airlines
Deal found 4/13![United Airlines logo]()
$493
This American Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:19 pm
GEG
- MHT
1 stop7h 40m
American Airlines
Sat 9/127:20 am
MHT
- GEG
1 stop7h 20m
American Airlines
Deal found 4/17![American Airlines logo]()
$457
This Expedia deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/64:06 pm
IDA
- BOS
1 stop13h 06m
Alaska Airlines
Mon 5/116:42 pm
BOS
- IDA
1 stop22h 47m
Alaska Airlines
Deal found 4/18![Alaska Airlines logo]()
$499
This Delta deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:41 pm
BOI
- BOS
1 stop9h 39m
Delta
Tue 6/165:55 am
BOS
- BOI
1 stop7h 03m
Delta
Deal found 4/15![Delta logo]()
$341
This Southwest deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/232:55 pm
GEG
- BOS
1 stop6h 50m
Southwest
Tue 7/142:25 pm
BOS
- GEG
2 stops10h 50m
Southwest
Deal found 4/15![Southwest logo]()
$420
This United Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/52:30 pm
SUN
- BOS
1 stop7h 29m
United Airlines
Sat 5/97:09 am
BOS
- SUN
1 stop8h 29m
United Airlines
Deal found 4/14![United Airlines logo]()
$511
This Delta deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/296:42 pm
BOI
- BOS
1 stop9h 23m
Delta
Wed 7/156:15 am
BOS
- BOI
1 stop10h 34m
Delta
Deal found 4/14![Delta logo]()
$342
This American Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:30 am
GEG
- PWM
2 stops13h 06m
American Airlines
Fri 7/246:00 am
PWM
- GEG
1 stop10h 07m
American Airlines
Deal found 4/14![American Airlines logo]()
$508
This Southwest deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:00 am
GEG
- MHT
2 stops11h 05m
Southwest
Wed 6/101:00 pm
MHT
- GEG
2 stops12h 15m
Southwest
Deal found 4/15![Southwest logo]()
$426
This Alaska Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/13:47 pm
JAC
- BOS
1 stop12h 33m
Alaska Airlines
Sat 7/48:28 am
BOS
- JAC
1 stop32h 39m
Alaska Airlines
Deal found 4/17![Alaska Airlines logo]()
$523
This United Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:00 am
GEG
- PWM
2 stops14h 29m
United Airlines
Wed 5/63:23 pm
PWM
- GEG
1 stop8h 53m
United Airlines
Deal found 4/14![United Airlines logo]()
$543
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/152:26 pm
GEG
- BOS
1 stop6h 31m
Delta
Fri 7/247:10 am
BOS
- GEG
1 stop9h 11m
Delta
Deal found 4/17![Delta logo]()
$346
This American Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:00 am
GEG
- PWM
2 stops14h 51m
American Airlines
Sat 10/177:14 am
PWM
- GEG
1 stop7h 21m
American Airlines
Deal found 4/17![American Airlines logo]()
$508
This United Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/162:38 pm
SUN
- BOS
1 stop7h 06m
United Airlines
Tue 6/2311:35 am
BOS
- SUN
1 stop12h 16m
United Airlines
Deal found 4/14![United Airlines logo]()
$559
This Southwest deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:00 am
GEG
- MHT
2 stops11h 05m
Southwest
Tue 6/303:55 pm
MHT
- GEG
2 stops10h 50m
Southwest
Deal found 4/14![Southwest logo]()
$468
Last-minute flights from Idaho to New HampshireDiscover last-minute flight deals from Idaho to New Hampshire. Data last updated April 19, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to New Hampshire. Data last updated April 19, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/51:22 pm
GEG
- BOS
1 stop8h 03m
American Airlines
Sat 5/164:24 pm
BOS
- GEG
1 stop9h 45m
American Airlines
Deal found 4/15![American Airlines logo]()
$320
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/79:16 pm
BOI
- BOS
1 stop8h 19m
Delta
Sun 5/105:51 am
BOS
- BOI
1 stop9h 27m
Delta
Deal found 4/16![Delta logo]()
$315
This Delta deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/186:45 pm
GEG
- BOS
1 stop8h 35m
Delta
Thu 6/44:30 pm
BOS
- GEG
1 stop9h 48m
Delta
Deal found 4/14![Delta logo]()
$309
This Alaska Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/187:25 pm
GEG
- BOS
1 stop7h 55m
Alaska Airlines
Thu 6/48:05 am
BOS
- GEG
1 stop16h 40m
Alaska Airlines
Deal found 4/16![Alaska Airlines logo]()
$336
This Delta deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/221:11 pm
GEG
- BOS
1 stop8h 29m
Delta
Mon 6/16:15 am
BOS
- GEG
1 stop12h 18m
Delta
Deal found 4/15![Delta logo]()
$318
This United Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/231:41 pm
GEG
- BOS
1 stop7h 03m
United Airlines
Sun 5/245:45 am
BOS
- GEG
2 stops12h 27m
United Airlines
Deal found 4/15![United Airlines logo]()
$298
This Expedia deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2312:36 pm
GEG
- BOS
1 stop14h 44m
Alaska Airlines
Sun 5/316:00 am
BOS
- GEG
1 stop8h 52m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$321
This American Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/232:08 pm
GEG
- BOS
1 stop7h 07m
American Airlines
Mon 6/15:05 pm
BOS
- GEG
1 stop9h 09m
American Airlines
Deal found 4/15![American Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/271:11 pm
GEG
- BOS
1 stop8h 29m
Delta
Mon 6/16:15 am
BOS
- GEG
1 stop12h 18m
Delta
Deal found 4/16![Delta logo]()
$301
This American Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/273:11 pm
BOI
- BOS
1 stop7h 04m
American Airlines
Tue 6/27:00 am
BOS
- BOI
1 stop9h 20m
American Airlines
Deal found 4/14![American Airlines logo]()
$324
This Delta deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/304:59 pm
GEG
- BOS
1 stop10h 21m
Delta
Tue 6/911:25 am
BOS
- GEG
1 stop8h 32m
Delta
Deal found 4/14![Delta logo]()
$293
This American Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/302:08 pm
GEG
- BOS
1 stop7h 07m
American Airlines
Sat 6/67:00 am
BOS
- GEG
1 stop9h 14m
American Airlines
Deal found 4/17![American Airlines logo]()
$312
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 April 19, 2026.
Search for one-way flight options from Idaho to New Hampshire. Find affordable one-way fares based on user searches. Data last updated April 19, 2026.
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/412:15 pm
BOI
- BOS
1 stop10h 25m
Delta
Deal found 4/17![Delta logo]()
$143
This Delta deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/121:00 pm
GEG
- BOS
1 stop8h 23m
Delta
Deal found 4/15![Delta logo]()
$147
This United Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:30 am
BOI
- BOS
2 stops11h 24m
United Airlines
Deal found 4/16![United Airlines logo]()
$148
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/612:35 pm
GEG
- BOS
1 stop8h 22m
Delta
Deal found 4/16![Delta logo]()
$155
This Expedia deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:01 am
GEG
- BOS
1 stop19h 43m
Alaska Airlines
Deal found 4/18![Alaska Airlines logo]()
$160
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/221:11 pm
GEG
- BOS
1 stop8h 29m
Delta
Deal found 4/17![Delta logo]()
$164
This American Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/62:08 pm
GEG
- BOS
1 stop7h 06m
American Airlines
Deal found 4/16![American Airlines logo]()
$166
This American Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/118:11 am
BOI
- BOS
1 stop10h 44m
American Airlines
Deal found 4/15![American Airlines logo]()
$173
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/176:10 am
GEG
- BOS
1 stop10h 39m
Delta
Deal found 4/17![Delta logo]()
$175
This Southwest deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:15 am
GEG
- BOS
2 stops12h 10m
Southwest
Deal found 4/16![Southwest logo]()
$179
This Alaska Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:00 am
IDA
- BOS
1 stop10h 11m
Alaska Airlines
Deal found 4/17![Alaska Airlines logo]()
$185
This United Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/65:00 am
GEG
- BOS
2 stops11h 54m
United Airlines
Deal found 4/15![United Airlines logo]()
$186
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 April 19, 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 | April |
Cheapest in | December |
Average price | $586 |
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 April 19, 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 6/10
12:00 pm-12:18 am
1 stop10h 18m
Boston Logan Intl
Tue 6/16
5:55 am-10:58 am
1 stop7h 03m
$285
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Tue 7/14
2:26 pm-11:57 pm
1 stop6h 31m
Boston Logan Intl
Tue 7/21
3:40 pm-11:59 pm
1 stop11h 19m
$293
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Wed 6/24
12:35 pm-11:57 pm
1 stop8h 22m
Boston Logan Intl
Wed 7/8
7:10 am-1:21 pm
1 stop9h 11m
$293
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Wed 5/27
1:11 pm-12:40 am
1 stop8h 29m
Boston Logan Intl
Mon 6/1
6:15 am-3:33 pm
1 stop12h 18m
$301
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Wed 8/26
5:00 pm-6:09 am
1 stop10h 09m
Boston Logan Intl
Mon 8/31
7:05 am-2:46 pm
1 stop10h 41m
$301
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Fri 8/21
5:00 pm-6:09 am
1 stop10h 09m
Boston Logan Intl
Tue 8/25
7:05 am-1:02 pm
1 stop8h 57m
$310
BoiseBoston
BOI - BOS
BOIBOS
Boise Air Term. Gowen Fld
Sat 6/6
6:41 pm-6:20 am
1 stop9h 39m
Boston Logan Intl
Tue 6/16
5:55 am-10:58 am
1 stop7h 03m
$341
BoiseBoston
BOI - BOS
BOIBOS
Boise Air Term. Gowen Fld
Mon 6/29
6:42 pm-6:05 am
1 stop9h 23m
Boston Logan Intl
Wed 7/15
6:15 am-2:49 pm
1 stop10h 34m
$342
BoiseBoston
BOI - BOS
BOIBOS
Boise Air Term. Gowen Fld
Sun 8/2
6:45 am-11:00 pm
1 stop14h 15m
Boston Logan Intl
Wed 8/12
5:35 am-2:50 pm
2 stops11h 15m
$345
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Wed 7/15
2:26 pm-11:57 pm
1 stop6h 31m
Boston Logan Intl
Fri 7/24
7:10 am-1:21 pm
1 stop9h 11m
$346
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.
GEG-BOS
BOI-BOS
IDA-BOS
JAC-BOS
GEG-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
GEG-BOS
BOI-BOS
IDA-BOS
JAC-BOS
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 April 19, 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
Crew
7.9
Boarding
7.5
Comfort
7.2
Food
6.4
Overall
7.1
Reviews
1 / 20
4.0
OkayElizabeth,Mar 2026
ORD - MIA
Entertainment
6.9
Crew
7.9
Boarding
7.5
Comfort
7.2
Food
6.4
Overall
7.1
Reviews
1 / 20
4.0
OkayElizabeth,Mar 2026
ORD - MIA
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
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Idaho to 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 April 19, 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 April 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$352 | Average$527 | FlexibilityNo cancel fee | On-time71% |