$149+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — MHT
Apr 8 — Apr 151
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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Idaho to New Hampshire
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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 March 9, 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 March 9, 2026.
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 4/141:07 pm
GEG
- BOS
1 stop7h 52m
Delta
Wed 4/296:45 pm
BOS
- GEG
1 stop8h 35m
Delta
Deal found 3/6![Delta logo]()
$285
This Southwest deal was found by Cheapflights users on 3/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:30 am
GEG
- BOS
1 stop7h 15m
Southwest
Sat 5/24:30 pm
BOS
- GEG
1 stop7h 45m
Southwest
Deal found 3/5![Southwest logo]()
$297
This Southwest deal was found by Cheapflights users on 3/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:45 pm
GEG
- BOS
1 stop7h 20m
Southwest
Wed 4/292:25 pm
BOS
- GEG
2 stops11h 30m
Southwest
Deal found 3/5![Southwest logo]()
$302
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 3/307:30 pm
BOI
- BOS
1 stop9h 20m
Delta
Tue 4/77:10 am
BOS
- BOI
1 stop10h 53m
Delta
Deal found 3/6![Delta logo]()
$304
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 4/292:10 pm
GEG
- BOS
1 stop6h 25m
Delta
Thu 5/73:55 pm
BOS
- GEG
1 stop11h 04m
Delta
Deal found 3/6![Delta logo]()
$311
This United Airlines deal was found by Cheapflights users on 3/4. 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.
Wed 4/156:15 am
BOI
- BOS
1 stop8h 58m
United Airlines
Sat 4/256:00 am
BOS
- BOI
1 stop7h 49m
United Airlines
Deal found 3/4![United Airlines logo]()
$313
This American Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 4/221:22 pm
GEG
- BOS
1 stop8h 03m
American Airlines
Wed 5/66:30 am
BOS
- GEG
1 stop9h 02m
American Airlines
Deal found 3/7![American Airlines logo]()
$316
This American Airlines deal was found by Cheapflights users on 3/5. 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.
Sat 4/41:41 pm
BOI
- BOS
1 stop8h 16m
American Airlines
Sat 4/116:30 am
BOS
- BOI
1 stop8h 19m
American Airlines
Deal found 3/5![American Airlines logo]()
$317
This American Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 5/162:02 pm
BOS
- GEG
1 stop9h 31m
American Airlines
Deal found 3/6![American Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 4/148:40 pm
BOI
- PWM
2 stops13h 25m
Delta
Thu 4/236:30 am
PWM
- BOI
2 stops15h 30m
Delta
Deal found 3/6![Delta logo]()
$319
This American Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 4/221:29 pm
BOI
- BOS
1 stop8h 56m
American Airlines
Tue 4/286:30 am
BOS
- BOI
1 stop8h 19m
American Airlines
Deal found 3/8![American Airlines logo]()
$321
This American Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 5/121:13 pm
GEG
- BOS
1 stop8h 12m
American Airlines
Sat 5/162:02 pm
BOS
- GEG
1 stop9h 31m
American Airlines
Deal found 3/8![American Airlines 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 March 9, 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 March 9, 2026.
This Alaska Airlines deal was found by Cheapflights users on 3/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:00 am
GEG
- BOS
1 stop7h 33m
Alaska Airlines
Sat 5/168:05 am
BOS
- GEG
1 stop16h 40m
Alaska Airlines
Deal found 3/5![Alaska Airlines logo]()
$297
This United Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:46 pm
GEG
- BOS
1 stop7h 13m
United Airlines
Sat 5/23:08 pm
BOS
- GEG
1 stop9h 08m
United Airlines
Deal found 3/8![United Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/141:45 pm
GEG
- BOS
1 stop7h 20m
Southwest
Sat 5/21:50 pm
BOS
- GEG
2 stops11h 25m
Southwest
Deal found 3/6![Southwest logo]()
$302
This Delta deal was found by Cheapflights users on 3/4. 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.
Thu 5/79:16 pm
BOI
- BOS
1 stop8h 19m
Delta
Tue 5/125:40 am
BOS
- BOI
2 stops11h 03m
Delta
Deal found 3/4![Delta logo]()
$328
This American Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 4/101:25 pm
JAC
- BOS
2 stops18h 02m
American Airlines
Mon 4/137:18 pm
BOS
- JAC
2 stops19h 23m
American Airlines
Deal found 3/8![American Airlines logo]()
$390
This Sun Country Air deal was found by Cheapflights users on 3/5. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/126:29 pm
GEG
- PWM
1 stop14h 08m
Sun Country Air
Sat 7/181:16 pm
PWM
- GEG
1 stop29h 30m
Sun Country Air
Deal found 3/5![Sun Country Air logo]()
$477
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/141:46 pm
GEG
- BOS
1 stop7h 13m
United Airlines
Sat 5/29:15 am
BOS
- GEG
1 stop9h 03m
United Airlines
Deal found 3/6![United Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:45 pm
GEG
- BOS
1 stop7h 20m
Southwest
Sat 5/25:15 am
BOS
- GEG
2 stops11h 30m
Southwest
Deal found 3/7![Southwest logo]()
$302
This Alaska Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 5/36:00 am
GEG
- BOS
1 stop22h 12m
Alaska Airlines
Thu 5/147:11 pm
BOS
- GEG
1 stop19h 31m
Alaska Airlines
Deal found 3/7![Alaska Airlines logo]()
$325
This Delta deal was found by Cheapflights users on 3/4. 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.
Tue 4/148:40 pm
BOI
- PWM
2 stops13h 25m
Delta
Thu 4/236:30 am
PWM
- BOI
2 stops15h 30m
Delta
Deal found 3/4![Delta logo]()
$357
This Travelocity deal was found by Cheapflights users on 3/4. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:01 am
GEG
- BOS
1 stop19h 43m
Alaska Airlines
Tue 5/198:05 am
BOS
- GEG
1 stop16h 40m
Alaska Airlines
Deal found 3/4![Alaska Airlines logo]()
$352
This Delta deal was found by Cheapflights users on 3/4. 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.
Tue 5/58:59 am
BOI
- PWM
2 stops13h 47m
Delta
Wed 5/1312:55 pm
PWM
- BOI
2 stops13h 00m
Delta
Deal found 3/4![Delta logo]()
$357
This Southwest deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:00 am
BOI
- BOS
2 stops10h 35m
Southwest
Tue 4/286:20 am
BOS
- BOI
2 stops11h 05m
Southwest
Deal found 3/8![Southwest logo]()
$363
This American Airlines deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:45 am
BOI
- PWM
2 stops13h 28m
American Airlines
Wed 5/137:07 am
PWM
- BOI
1 stop7h 42m
American Airlines
Deal found 3/4![American Airlines logo]()
$406
This United Airlines deal was found by Cheapflights users on 3/4. 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.
Tue 3/316:15 am
BOI
- BOS
2 stops10h 04m
United Airlines
Sun 4/56:00 am
BOS
- BOI
1 stop7h 49m
United Airlines
Deal found 3/4![United Airlines logo]()
$394
This American Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 7/232:58 pm
BOI
- BOS
1 stop7h 01m
American Airlines
Tue 7/286:22 am
BOS
- BOI
1 stop9h 46m
American Airlines
Deal found 3/6![American Airlines logo]()
$407
This Southwest deal was found by Cheapflights users on 3/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/44:25 pm
BOI
- BOS
1 stop6h 35m
Southwest
Sat 4/111:50 pm
BOS
- BOI
2 stops10h 05m
Southwest
Deal found 3/5![Southwest logo]()
$373
This Delta deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 4/101:10 pm
JAC
- BOS
1 stop8h 49m
Delta
Mon 4/1310:20 am
BOS
- JAC
1 stop7h 53m
Delta
Deal found 3/8![Delta logo]()
$379
This United Airlines deal was found by Cheapflights users on 3/4. 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.
Wed 8/198:00 am
JAC
- PWM
2 stops12h 01m
United Airlines
Wed 8/2610:43 am
PWM
- JAC
2 stops9h 09m
United Airlines
Deal found 3/4![United Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 4/291:09 pm
JAC
- BOS
1 stop8h 48m
Delta
Sun 5/35:50 am
BOS
- JAC
2 stops12h 23m
Delta
Deal found 3/8![Delta logo]()
$384
This Southwest deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 4/275:35 pm
GEG
- BOS
2 stops11h 40m
Southwest
Mon 5/45:15 am
BOS
- GEG
1 stop7h 35m
Southwest
Deal found 3/8![Southwest logo]()
$384
This Alaska Airlines deal was found by Cheapflights users on 3/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/254:14 pm
IDA
- BOS
1 stop12h 16m
Alaska Airlines
Sat 8/16:10 am
BOS
- IDA
1 stop8h 56m
Alaska Airlines
Deal found 3/5![Alaska Airlines logo]()
$441
This American Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 9/1212:32 pm
MHT
- GEG
2 stops13h 30m
American Airlines
Deal found 3/6![American Airlines logo]()
$442
This United Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/281:46 pm
GEG
- BOS
1 stop7h 13m
United Airlines
Wed 4/2910:05 am
BOS
- GEG
2 stops11h 46m
United Airlines
Deal found 3/7![United Airlines logo]()
$402
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 5/61:09 pm
JAC
- BOS
2 stops10h 06m
Delta
Sun 5/106:10 am
BOS
- JAC
1 stop8h 10m
Delta
Deal found 3/6![Delta logo]()
$384
This Alaska Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 4/118:20 am
BOI
- BOS
1 stop20h 19m
Alaska Airlines
Mon 4/206:00 am
BOS
- BOI
1 stop8h 56m
Alaska Airlines
Deal found 3/7![Alaska Airlines logo]()
$451
This United Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 5/287:30 am
JAC
- PWM
1 stop8h 14m
United Airlines
Tue 6/23:16 pm
PWM
- JAC
1 stop7h 44m
United Airlines
Deal found 3/9![United Airlines logo]()
$415
This Southwest deal was found by Cheapflights users on 3/4. 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.
Sun 4/195:20 pm
GEG
- MHT
2 stops12h 10m
Southwest
Tue 4/2112:45 pm
MHT
- GEG
2 stops13h 10m
Southwest
Deal found 3/4![Southwest logo]()
$418
This American Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/213:49 pm
JAC
- PWM
1 stop6h 46m
American Airlines
Sun 5/247:52 am
PWM
- JAC
2 stops13h 32m
American Airlines
Deal found 3/8![American Airlines logo]()
$466
This Delta deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:09 pm
JAC
- BOS
1 stop8h 48m
Delta
Sun 5/36:15 am
BOS
- JAC
1 stop7h 49m
Delta
Deal found 3/4![Delta logo]()
$399
Last-minute flights from Idaho to New HampshireDiscover last-minute flight deals from Idaho to New Hampshire. Data last updated March 9, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to New Hampshire. Data last updated March 9, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 3/5. 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.
Thu 3/265:52 am
BOI
- BOS
1 stop7h 51m
Delta
Tue 3/317:10 am
BOS
- BOI
1 stop10h 50m
Delta
Deal found 3/5![Delta logo]()
$323
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 3/307:30 pm
BOI
- BOS
1 stop9h 20m
Delta
Tue 4/77:10 am
BOS
- BOI
1 stop10h 53m
Delta
Deal found 3/6![Delta logo]()
$304
This American Airlines deal was found by Cheapflights users on 3/5. 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.
Sat 4/41:41 pm
BOI
- BOS
1 stop8h 16m
American Airlines
Sat 4/116:30 am
BOS
- BOI
1 stop8h 19m
American Airlines
Deal found 3/5![American Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 4/141:07 pm
GEG
- BOS
1 stop7h 52m
Delta
Wed 4/296:45 pm
BOS
- GEG
1 stop8h 35m
Delta
Deal found 3/6![Delta logo]()
$285
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 4/148:40 pm
BOI
- PWM
2 stops13h 25m
Delta
Thu 4/236:30 am
PWM
- BOI
2 stops15h 30m
Delta
Deal found 3/6![Delta logo]()
$319
This Southwest deal was found by Cheapflights users on 3/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:30 am
GEG
- BOS
1 stop7h 15m
Southwest
Sat 5/24:30 pm
BOS
- GEG
1 stop7h 45m
Southwest
Deal found 3/5![Southwest logo]()
$297
This Southwest deal was found by Cheapflights users on 3/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:45 pm
GEG
- BOS
1 stop7h 20m
Southwest
Wed 4/292:25 pm
BOS
- GEG
2 stops11h 30m
Southwest
Deal found 3/5![Southwest logo]()
$302
This United Airlines deal was found by Cheapflights users on 3/4. 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.
Wed 4/156:15 am
BOI
- BOS
1 stop8h 58m
United Airlines
Sat 4/256:00 am
BOS
- BOI
1 stop7h 49m
United Airlines
Deal found 3/4![United Airlines logo]()
$313
This American Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 4/221:22 pm
GEG
- BOS
1 stop8h 03m
American Airlines
Wed 5/66:30 am
BOS
- GEG
1 stop9h 02m
American Airlines
Deal found 3/7![American Airlines logo]()
$316
This American Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 4/221:29 pm
BOI
- BOS
1 stop8h 56m
American Airlines
Tue 4/286:30 am
BOS
- BOI
1 stop8h 19m
American Airlines
Deal found 3/8![American Airlines logo]()
$321
This American Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/296:00 am
GEG
- BOS
2 stops10h 34m
American Airlines
Sat 5/93:05 pm
BOS
- GEG
2 stops11h 04m
American Airlines
Deal found 3/9![American Airlines logo]()
$310
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 4/292:10 pm
GEG
- BOS
1 stop6h 25m
Delta
Thu 5/73:55 pm
BOS
- GEG
1 stop11h 04m
Delta
Deal found 3/6![Delta logo]()
$311
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 March 9, 2026.
Search for one-way flight options from Idaho to New Hampshire. Find affordable one-way fares based on user searches. Data last updated March 9, 2026.
This American Airlines deal was found by Cheapflights users on 3/5. 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.
Wed 5/61:22 pm
GEG
- BOS
1 stop8h 03m
American Airlines
Deal found 3/5![American Airlines logo]()
$149
This United Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:05 am
GEG
- BOS
2 stops13h 49m
United Airlines
Deal found 3/7![United Airlines logo]()
$154
This Alaska Airlines deal was found by Cheapflights users on 3/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/3111:58 am
BOI
- BOS
1 stop10h 01m
Alaska Airlines
Deal found 3/5![Alaska Airlines logo]()
$157
This deal was found by Cheapflights users on 3/5. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1411:58 am
BOI
- BOS
1 stop10h 01m
Alaska Airlines
Deal found 3/5![Alaska Airlines logo]()
$159
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 5/109:16 pm
BOI
- BOS
1 stop8h 19m
Delta
Deal found 3/6![Delta logo]()
$163
This Delta deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 5/75:37 pm
GEG
- BOS
1 stop10h 58m
Delta
Deal found 3/8![Delta logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:53 am
BOI
- BOS
2 stops21h 54m
Frontier
Deal found 3/6![Frontier logo]()
$167
This Alaska Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 4/309:55 am
GEG
- BOS
1 stop11h 04m
Alaska Airlines
Deal found 3/7![Alaska Airlines logo]()
$168
This American Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 4/211:43 pm
IDA
- BOS
1 stop8h 21m
American Airlines
Deal found 3/7![American Airlines logo]()
$175
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 6/87:05 pm
BOI
- BOS
1 stop9h 16m
United Airlines
Deal found 3/6![United Airlines logo]()
$179
This Delta deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 4/16:00 am
GEG
- BOS
1 stop8h 28m
Delta
Deal found 3/7![Delta logo]()
$179
This United Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/285:05 am
GEG
- BOS
2 stops13h 49m
United Airlines
Deal found 3/9![United Airlines logo]()
$181
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 March 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $285 (Delta) |
One-way from | $149 (American Airlines) |
Popular in | January |
Cheapest in | December |
Average price | $501 |
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 March 9, 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
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Tue 5/5
5:00 am-3:33 pm
1 stop7h 33m
Boston Logan Intl
Sat 5/16
8:05 am-9:45 pm
1 stop16h 40m
$297
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Wed 4/15
1:46 pm-11:59 pm
1 stop7h 13m
Boston Logan Intl
Sat 5/2
3:08 pm-9:16 pm
1 stop9h 08m
$297
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Tue 4/14
1:46 pm-11:59 pm
1 stop7h 13m
Boston Logan Intl
Sat 5/2
9:15 am-3:18 pm
1 stop9h 03m
$297
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Tue 4/14
1:45 pm-12:05 am
1 stop7h 20m
Boston Logan Intl
Sat 5/2
1:50 pm-10:15 pm
2 stops11h 25m
$302
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Wed 4/15
1:45 pm-12:05 am
1 stop7h 20m
Boston Logan Intl
Sat 5/2
5:15 am-1:45 pm
2 stops11h 30m
$302
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Sun 5/3
6:00 am-7:12 am
1 stop22h 12m
Boston Logan Intl
Thu 5/14
7:11 pm-11:42 am
1 stop19h 31m
$325
BoiseBoston
BOI - BOS
BOIBOS
Boise Air Term. Gowen Fld
Thu 5/7
9:16 pm-7:35 am
1 stop8h 19m
Boston Logan Intl
Tue 5/12
5:40 am-2:43 pm
2 stops11h 03m
$328
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Thu 5/14
7:01 am-5:44 am
1 stop19h 43m
Boston Logan Intl
Tue 5/19
8:05 am-9:45 pm
1 stop16h 40m
$352
BoisePortland
BOI - PWM
BOIPWM
Boise Air Term. Gowen Fld
Tue 4/14
8:40 pm-12:05 pm
2 stops13h 25m
Portland
Thu 4/23
6:30 am-8:00 pm
2 stops15h 30m
$357
BoisePortland
BOI - PWM
BOIPWM
Boise Air Term. Gowen Fld
Tue 5/5
8:59 am-12:46 am
2 stops13h 47m
Portland
Wed 5/13
12:55 pm-11:55 pm
2 stops13h 00m
$357
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
BOI-MHT
IDA-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
BOI-BOS
GEG-BOS
BOI-MHT
IDA-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 March 9, 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
Comfort
7.2
Boarding
7.5
Crew
7.9
Food
6.4
Overall
7.1
Reviews
1 / 20
2.0
MediocreAnonymous,Mar 2026
MIA - SFO
Entertainment
6.9
Comfort
7.2
Boarding
7.5
Crew
7.9
Food
6.4
Overall
7.1
Reviews
1 / 20
2.0
MediocreAnonymous,Mar 2026
MIA - SFO
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 March 9, 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 March 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$352 | Average$527 | FlexibilityNo cancel fee | On-time71% |