$116+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — BOI
Jun 29 — Jul 61
Round-trip
1 adult, Economy
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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 May 30, 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 May 30, 2026.
This Delta deal was found by Cheapflights users on 5/29. 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.
Wed 9/167:45 am
BOS
- BOI
1 stop11h 34m
Delta
Mon 9/2111:35 pm
BOI
- BOS
1 stop8h 07m
Delta
Deal found 5/29![Delta logo]()
$211
This Delta deal was found by Cheapflights users on 5/29. 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.
Wed 9/94:50 pm
PWM
- GEG
2 stops9h 54m
Delta
Wed 9/167:00 am
GEG
- PWM
2 stops13h 17m
Delta
Deal found 5/29![Delta logo]()
$267
This American Airlines deal was found by Cheapflights users on 5/29. 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.
Tue 8/186:14 am
BOS
- BOI
1 stop10h 06m
American Airlines
Sat 8/222:58 pm
BOI
- BOS
1 stop7h 00m
American Airlines
Deal found 5/29![American Airlines logo]()
$285
This Delta deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/45:55 am
BOS
- BOI
1 stop9h 56m
Delta
Tue 7/145:30 am
BOI
- BOS
1 stop6h 21m
Delta
Deal found 5/27![Delta logo]()
$291
This American Airlines deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 9/196:00 am
BOS
- BOI
2 stops10h 31m
American Airlines
Sat 9/2612:19 pm
BOI
- BOS
1 stop8h 36m
American Airlines
Deal found 5/25![American Airlines logo]()
$293
This American Airlines deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 9/56:00 am
BOS
- BOI
2 stops10h 02m
American Airlines
Sat 9/1212:19 pm
BOI
- BOS
1 stop8h 36m
American Airlines
Deal found 5/25![American Airlines logo]()
$294
This American Airlines deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:00 am
BOS
- BOI
1 stop9h 20m
American Airlines
Tue 8/1112:12 pm
BOI
- BOS
1 stop9h 24m
American Airlines
Deal found 5/28![American Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 5/29. 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 9/169:25 am
BOS
- BOI
1 stop7h 25m
Southwest
Mon 9/212:55 pm
BOI
- BOS
1 stop7h 35m
Southwest
Deal found 5/29![Southwest logo]()
$311
This Alaska Airlines deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” 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 10/2810:04 am
BOS
- BOI
1 stop9h 03m
Alaska Airlines
Sat 10/3112:58 pm
BOI
- BOS
1 stop8h 56m
Alaska Airlines
Deal found 5/26![Alaska Airlines logo]()
$315
This United Airlines deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” 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 7/46:00 am
BOS
- BOI
1 stop7h 32m
United Airlines
Mon 7/137:05 pm
BOI
- BOS
1 stop9h 16m
United Airlines
Deal found 5/26![United Airlines logo]()
$320
This American Airlines deal was found by Cheapflights users on 5/29. 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 9/266:00 am
BOS
- IDA
1 stop9h 28m
American Airlines
Sat 10/31:58 pm
IDA
- BOS
1 stop8h 01m
American Airlines
Deal found 5/29![American Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 5/29. 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 8/2512:20 pm
BOS
- JAC
1 stop9h 51m
Delta
Tue 9/11:10 pm
JAC
- BOS
1 stop8h 47m
Delta
Deal found 5/29![Delta logo]()
$373
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 May 30, 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 May 30, 2026.
This Delta deal was found by Cheapflights users on 5/29. 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.
Wed 9/94:50 pm
PWM
- GEG
2 stops9h 54m
Delta
Wed 9/167:00 am
GEG
- PWM
2 stops13h 17m
Delta
Deal found 5/29![Delta logo]()
$267
This United Airlines deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:00 am
PWM
- BOI
1 stop8h 02m
United Airlines
Tue 10/2012:29 pm
BOI
- PWM
1 stop7h 17m
United Airlines
Deal found 5/28![United Airlines logo]()
$383
This Southwest deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” 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 9/91:05 pm
PWM
- GEG
2 stops12h 20m
Southwest
Mon 9/146:00 am
GEG
- PWM
1 stop12h 30m
Southwest
Deal found 5/27![Southwest logo]()
$404
This Alaska Airlines deal was found by Cheapflights users on 5/29. 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.
Wed 8/264:52 pm
BOS
- GEG
1 stop8h 33m
Alaska Airlines
Sun 8/307:03 am
GEG
- BOS
1 stop19h 46m
Alaska Airlines
Deal found 5/29![Alaska Airlines logo]()
$407
This American Airlines deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 9/235:30 am
PWM
- JAC
2 stops13h 27m
American Airlines
Tue 9/291:48 pm
JAC
- PWM
1 stop7h 59m
American Airlines
Deal found 5/25![American Airlines logo]()
$486
This Delta deal was found by Cheapflights users on 5/29. 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 8/2511:05 am
BOS
- JAC
1 stop7h 52m
Delta
Tue 9/11:10 pm
JAC
- BOS
1 stop8h 47m
Delta
Deal found 5/29![Delta logo]()
$373
This Southwest deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/262:45 pm
BOS
- GEG
2 stops11h 10m
Southwest
Sun 8/3012:05 pm
GEG
- BOS
1 stop9h 20m
Southwest
Deal found 5/28![Southwest logo]()
$411
This Alaska Airlines deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:03 am
BOS
- GEG
1 stop8h 42m
Alaska Airlines
Mon 7/207:45 pm
GEG
- BOS
1 stop8h 55m
Alaska Airlines
Deal found 5/28![Alaska Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 6/225:55 am
BOS
- BOI
1 stop9h 56m
Delta
Mon 6/2911:45 pm
BOI
- BOS
1 stop8h 00m
Delta
Deal found 5/25![Delta logo]()
$392
This United Airlines deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1711:30 am
BOS
- GEG
2 stops12h 39m
United Airlines
Wed 11/1812:30 pm
GEG
- BOS
1 stop9h 35m
United Airlines
Deal found 5/29![United Airlines logo]()
$441
This Southwest deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” 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 7/283:45 pm
BOS
- BOI
2 stops10h 45m
Southwest
Sat 8/16:40 am
BOI
- BOS
1 stop14h 30m
Southwest
Deal found 5/28![Southwest logo]()
$416
This Alaska Airlines deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 8/206:17 pm
BOS
- GEG
1 stop31h 32m
Alaska Airlines
Sun 8/237:24 pm
GEG
- BOS
1 stop7h 45m
Alaska Airlines
Deal found 5/25![Alaska Airlines logo]()
$434
This Delta deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” 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 6/175:30 am
BOS
- BOI
1 stop9h 24m
Delta
Tue 6/231:11 pm
BOI
- BOS
1 stop8h 38m
Delta
Deal found 5/27![Delta logo]()
$397
This American Airlines deal was found by Cheapflights users on 5/29. 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.
Thu 8/276:00 am
MHT
- JAC
2 stops15h 19m
American Airlines
Thu 9/31:47 pm
JAC
- MHT
1 stop7h 42m
American Airlines
Deal found 5/29![American Airlines logo]()
$501
This Southwest deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” 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 9/215:55 am
PWM
- GEG
2 stops12h 05m
Southwest
Mon 9/286:00 am
GEG
- PWM
1 stop12h 30m
Southwest
Deal found 5/27![Southwest logo]()
$423
This United Airlines deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” 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 6/1210:35 am
BOS
- SUN
1 stop10h 22m
United Airlines
Tue 6/162:38 pm
SUN
- BOS
1 stop7h 06m
United Airlines
Deal found 5/28![United Airlines logo]()
$471
This Delta deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” 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 8/275:51 am
BOS
- GEG
1 stop10h 06m
Delta
Sun 8/3010:56 pm
GEG
- BOS
1 stop7h 43m
Delta
Deal found 5/27![Delta logo]()
$398
This American Airlines deal was found by Cheapflights users on 5/29. 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.
Fri 9/187:40 am
MHT
- JAC
2 stops13h 26m
American Airlines
Mon 9/213:41 pm
JAC
- MHT
1 stop6h 50m
American Airlines
Deal found 5/29![American Airlines logo]()
$507
This Alaska Airlines deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” 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 6/127:44 pm
BOS
- SUN
1 stop15h 54m
Alaska Airlines
Tue 6/1610:20 am
SUN
- BOS
1 stop11h 39m
Alaska Airlines
Deal found 5/28![Alaska Airlines logo]()
$461
This Southwest deal was found by Cheapflights users on 5/29. 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 7/144:45 pm
BOS
- BOI
1 stop8h 15m
Southwest
Sat 7/186:40 am
BOI
- BOS
1 stop14h 30m
Southwest
Deal found 5/29![Southwest logo]()
$432
This Delta deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” 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 9/94:50 pm
PWM
- GEG
2 stops9h 54m
Delta
Mon 9/147:00 am
GEG
- PWM
2 stops13h 17m
Delta
Deal found 5/27![Delta logo]()
$403
This United Airlines deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:17 am
PWM
- GEG
2 stops12h 52m
United Airlines
Wed 10/2811:30 am
GEG
- PWM
1 stop6h 57m
United Airlines
Deal found 5/26![United Airlines logo]()
$498
This American Airlines deal was found by Cheapflights users on 5/29. 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.
Tue 8/257:45 am
BOS
- JAC
2 stops9h 32m
American Airlines
Tue 9/111:48 am
JAC
- BOS
2 stops10h 11m
American Airlines
Deal found 5/29![American Airlines logo]()
$509
This Alaska Airlines deal was found by Cheapflights users on 5/29. 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 7/186:03 am
BOS
- GEG
1 stop8h 42m
Alaska Airlines
Wed 7/228:15 am
GEG
- BOS
1 stop18h 25m
Alaska Airlines
Deal found 5/29![Alaska Airlines logo]()
$476
This Southwest deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/102:15 pm
BOS
- GEG
2 stops11h 25m
Southwest
Mon 8/176:00 am
GEG
- BOS
1 stop9h 00m
Southwest
Deal found 5/28![Southwest logo]()
$444
This United Airlines deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:00 am
PWM
- BOI
1 stop7h 28m
United Airlines
Sat 9/512:24 pm
BOI
- PWM
1 stop6h 59m
United Airlines
Deal found 5/27![United Airlines logo]()
$503
This American Airlines deal was found by Cheapflights users on 5/29. 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.
Tue 7/217:00 am
BOS
- JAC
2 stops10h 35m
American Airlines
Thu 7/233:39 pm
JAC
- BOS
1 stop15h 55m
American Airlines
Deal found 5/29![American Airlines logo]()
$511
This Alaska Airlines deal was found by Cheapflights users on 5/29. 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.
Fri 8/78:28 am
BOS
- GEG
1 stop17h 39m
Alaska Airlines
Mon 8/108:15 am
GEG
- BOS
1 stop18h 25m
Alaska Airlines
Deal found 5/29![Alaska Airlines logo]()
$478
This Delta deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” 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 8/226:05 am
PWM
- BOI
1 stop8h 44m
Delta
Fri 8/288:25 am
BOI
- PWM
2 stops12h 48m
Delta
Deal found 5/28![Delta logo]()
$440
This Southwest deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” 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 6/292:10 pm
BOS
- BOI
2 stops10h 45m
Southwest
Sat 7/46:25 am
BOI
- BOS
1 stop14h 35m
Southwest
Deal found 5/26![Southwest logo]()
$472
Last-minute flights from New Hampshire to IdahoDiscover last-minute flight deals from New Hampshire to Idaho. Data last updated May 30, 2026 and is based on user searches.
Discover last-minute flight deals from New Hampshire to Idaho. Data last updated May 30, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” 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 6/27:00 am
BOS
- JAC
1 stop7h 14m
American Airlines
Tue 6/93:48 pm
JAC
- BOS
1 stop6h 40m
American Airlines
Deal found 5/26![American Airlines logo]()
$430
This United Airlines deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 6/212:30 pm
BOS
- JAC
1 stop8h 12m
United Airlines
Fri 6/57:30 am
JAC
- BOS
1 stop6h 59m
United Airlines
Deal found 5/25![United Airlines logo]()
$441
This Delta deal was found by Cheapflights users on 5/29. 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.
Fri 6/56:15 am
BOS
- BOI
1 stop10h 19m
Delta
Thu 6/1111:45 pm
BOI
- BOS
1 stop9h 29m
Delta
Deal found 5/29![Delta logo]()
$285
This United Airlines deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1212:30 pm
BOS
- JAC
1 stop8h 12m
United Airlines
Tue 6/167:30 am
JAC
- BOS
1 stop6h 59m
United Airlines
Deal found 5/29![United Airlines logo]()
$432
This Delta deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 6/157:15 am
BOS
- GEG
1 stop9h 03m
Delta
Sat 6/201:30 pm
GEG
- BOS
1 stop7h 24m
Delta
Deal found 5/25![Delta logo]()
$434
This Delta deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” 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 6/175:30 am
BOS
- BOI
1 stop9h 24m
Delta
Tue 6/231:11 pm
BOI
- BOS
1 stop8h 38m
Delta
Deal found 5/27![Delta logo]()
$397
This United Airlines deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” 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 6/204:15 pm
BOS
- GEG
1 stop9h 49m
United Airlines
Sat 6/275:00 am
GEG
- BOS
1 stop7h 44m
United Airlines
Deal found 5/28![United Airlines logo]()
$400
This American Airlines deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/216:20 am
BOS
- GEG
1 stop10h 47m
American Airlines
Wed 6/242:01 pm
GEG
- BOS
1 stop7h 27m
American Airlines
Deal found 5/26![American Airlines logo]()
$436
This Delta deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” 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 6/225:55 am
BOS
- BOI
1 stop9h 56m
Delta
Mon 6/2911:45 pm
BOI
- BOS
1 stop8h 00m
Delta
Deal found 5/26![Delta logo]()
$392
This American Airlines deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 6/236:00 am
BOS
- BOI
1 stop11h 06m
American Airlines
Tue 6/303:12 pm
BOI
- BOS
1 stop7h 16m
American Airlines
Deal found 5/25![American Airlines logo]()
$427
This American Airlines deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” 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 6/246:00 am
BOS
- BOI
1 stop11h 06m
American Airlines
Mon 6/293:12 pm
BOI
- BOS
1 stop7h 16m
American Airlines
Deal found 5/26![American Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/247:28 am
BOS
- BOI
1 stop11h 16m
United Airlines
Mon 6/297:05 pm
BOI
- BOS
1 stop10h 56m
United Airlines
Deal found 5/29![United Airlines logo]()
$435
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 May 30, 2026.
Search for one-way flight options from New Hampshire to Idaho. Find affordable one-way fares based on user searches. Data last updated May 30, 2026.
This Delta deal was found by Cheapflights users on 5/29. 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 8/156:05 am
BOS
- GEG
1 stop9h 07m
Delta
Deal found 5/29![Delta logo]()
$116
This Delta deal was found by Cheapflights users on 5/29. 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 6/163:40 pm
BOS
- BOI
1 stop8h 48m
Delta
Deal found 5/29![Delta logo]()
$143
This Delta deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 6/167:15 am
BOS
- GEG
1 stop9h 03m
Delta
Deal found 5/25![Delta logo]()
$147
This United Airlines deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” 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 6/204:15 pm
BOS
- GEG
1 stop9h 49m
United Airlines
Deal found 5/28![United Airlines logo]()
$152
This American Airlines deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 8/178:27 am
BOS
- GEG
1 stop8h 10m
American Airlines
Deal found 5/25![American Airlines logo]()
$156
This Delta deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/37:45 am
BOS
- GEG
1 stop10h 34m
Delta
Deal found 5/26![Delta logo]()
$160
This Expedia deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” 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 7/46:03 am
BOS
- GEG
1 stop8h 42m
Alaska Airlines
Deal found 5/27![Alaska Airlines logo]()
$169
This United Airlines deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” 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 6/279:40 am
BOS
- GEG
1 stop8h 32m
United Airlines
Deal found 5/27![United Airlines logo]()
$171
This United Airlines deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:00 am
BOS
- BOI
1 stop7h 32m
United Airlines
Deal found 5/25![United Airlines logo]()
$178
This Southwest deal was found by Cheapflights users on 5/29. 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.
Sat 8/151:00 pm
BOS
- GEG
2 stops11h 25m
Southwest
Deal found 5/29![Southwest logo]()
$179
This United Airlines deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/132:31 pm
BOS
- JAC
1 stop8h 30m
United Airlines
Deal found 5/27![United Airlines logo]()
$187
This American Airlines deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 7/216:00 am
BOS
- GEG
1 stop8h 59m
American Airlines
Deal found 5/25![American Airlines logo]()
$189
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 May 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $211 (Delta) |
One-way from | $116 (Delta) |
Popular in | December |
Cheapest in | November |
Average price | $415 |
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 May 30, 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
PortlandSpokane
PWM - GEG
PWMGEG
Portland
Wed 9/9
4:50 pm-11:44 pm
2 stops9h 54m
Spokane
Wed 9/16
7:00 am-11:17 pm
2 stops13h 17m
$267
BostonJackson
BOS - JAC
BOSJAC
Boston Logan Intl
Tue 8/25
11:05 am-4:57 pm
1 stop7h 52m
Jackson Hole
Tue 9/1
1:10 pm-11:57 pm
1 stop8h 47m
$373
PortlandBoise
PWM - BOI
PWMBOI
Portland
Tue 10/6
6:00 am-12:02 pm
1 stop8h 02m
Boise Air Term. Gowen Fld
Tue 10/20
12:29 pm-9:46 pm
1 stop7h 17m
$383
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Mon 6/22
5:55 am-1:51 pm
1 stop9h 56m
Boise Air Term. Gowen Fld
Mon 6/29
11:45 pm-9:45 am
1 stop8h 00m
$392
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Wed 6/17
5:30 am-12:54 pm
1 stop9h 24m
Boise Air Term. Gowen Fld
Tue 6/23
1:11 pm-11:49 pm
1 stop8h 38m
$397
BostonSpokane
BOS - GEG
BOSGEG
Boston Logan Intl
Thu 8/27
5:51 am-12:57 pm
1 stop10h 06m
Spokane
Sun 8/30
10:56 pm-9:39 am
1 stop7h 43m
$398
PortlandSpokane
PWM - GEG
PWMGEG
Portland
Wed 9/9
4:50 pm-11:44 pm
2 stops9h 54m
Spokane
Mon 9/14
7:00 am-11:17 pm
2 stops13h 17m
$403
PortlandSpokane
PWM - GEG
PWMGEG
Portland
Wed 9/9
1:05 pm-10:25 pm
2 stops12h 20m
Spokane
Mon 9/14
6:00 am-9:30 pm
1 stop12h 30m
$404
BostonSpokane
BOS - GEG
BOSGEG
Boston Logan Intl
Wed 8/26
4:52 pm-10:25 pm
1 stop8h 33m
Spokane
Sun 8/30
7:03 am-5:49 am
1 stop19h 46m
$407
BostonSpokane
BOS - GEG
BOSGEG
Boston Logan Intl
Wed 8/26
2:45 pm-10:55 pm
2 stops11h 10m
Spokane
Sun 8/30
12:05 pm-12:25 am
1 stop9h 20m
$411
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-JAC
PWM-GEG
BOS-IDA
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-JAC
PWM-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 May 30, 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.
Boarding
7.5
Comfort
7.2
Crew
7.9
Food
6.4
Entertainment
6.9
Overall
7.1
Reviews
1 / 20
2.0
MediocreAnonymous,Apr 2026
DFW - BDL
Boarding
7.5
Comfort
7.2
Crew
7.9
Food
6.4
Entertainment
6.9
Overall
7.1
Reviews
1 / 20
2.0
MediocreAnonymous,Apr 2026
DFW - BDL
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
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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 May 30, 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 May 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$464 | Average$774 | FlexibilityNo cancel fee | On-time71% |