$129+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — MHT
Mar 14 — Mar 211
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 February 12, 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 February 12, 2026.
This American Airlines deal was found by Cheapflights users on 2/9. 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 4/151:19 pm
GEG
- BOS
1 stop8h 04m
American Airlines
Wed 4/226:30 am
BOS
- GEG
1 stop8h 59m
American Airlines
Deal found 2/9![American Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/115:00 pm
GEG
- BOS
1 stop10h 10m
Delta
Wed 3/187:10 am
BOS
- GEG
1 stop10h 35m
Delta
Deal found 2/10![Delta logo]()
$267
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/151:19 pm
GEG
- BOS
1 stop8h 04m
American Airlines
Sat 5/23:05 pm
BOS
- GEG
2 stops11h 05m
American Airlines
Deal found 2/10![American Airlines logo]()
$282
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” 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 3/105:52 am
BOI
- BOS
1 stop7h 50m
Delta
Mon 3/167:10 am
BOS
- BOI
1 stop10h 50m
Delta
Deal found 2/12![Delta logo]()
$283
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” 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 5/37:38 pm
GEG
- BOS
1 stop8h 17m
Delta
Thu 5/143:55 pm
BOS
- GEG
1 stop10h 02m
Delta
Deal found 2/12![Delta logo]()
$283
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” 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 3/171:40 pm
GEG
- BOS
1 stop7h 19m
Delta
Tue 3/244:54 pm
BOS
- GEG
2 stops10h 09m
Delta
Deal found 2/12![Delta logo]()
$288
This Alaska Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/101:00 pm
BOI
- BOS
1 stop8h 59m
Alaska Airlines
Tue 3/177:00 am
BOS
- BOI
1 stop10h 08m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$293
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” 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 4/149:30 am
GEG
- BOS
2 stops9h 42m
Delta
Sat 5/29:02 am
BOS
- GEG
2 stops12h 55m
Delta
Deal found 2/12![Delta logo]()
$294
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” 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 3/272:41 pm
JAC
- BOS
1 stop8h 32m
Delta
Mon 3/3010:20 am
BOS
- JAC
1 stop8h 27m
Delta
Deal found 2/12![Delta logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/157:31 pm
GEG
- BOS
1 stop7h 22m
Alaska Airlines
Wed 4/296:42 pm
BOS
- GEG
1 stop8h 13m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$297
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/147:10 am
GEG
- BOS
1 stop7h 16m
United Airlines
Sat 5/26:00 am
BOS
- GEG
2 stops12h 18m
United Airlines
Deal found 2/10![United Airlines logo]()
$302
This American Airlines deal was found by Cheapflights users on 2/9. 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 4/81:19 pm
GEG
- BOS
1 stop8h 04m
American Airlines
Wed 6/35:05 am
BOS
- GEG
1 stop11h 09m
American Airlines
Deal found 2/9![American Airlines logo]()
$304
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 February 12, 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 February 12, 2026.
This Delta deal was found by Cheapflights users on 2/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:10 pm
GEG
- BOS
1 stop9h 50m
Delta
Sat 5/167:45 am
BOS
- GEG
1 stop10h 50m
Delta
Deal found 2/9![Delta logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/295:00 am
GEG
- BOS
1 stop7h 33m
Alaska Airlines
Tue 5/56:42 pm
BOS
- GEG
1 stop8h 13m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$297
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 4/151:43 pm
GEG
- BOS
1 stop7h 16m
United Airlines
Wed 4/297:09 am
BOS
- GEG
1 stop8h 32m
United Airlines
Deal found 2/11![United Airlines logo]()
$297
This American Airlines deal was found by Cheapflights users on 2/9. 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.
Tue 5/51:29 pm
BOI
- BOS
1 stop8h 54m
American Airlines
Sun 5/106:30 am
BOS
- BOI
1 stop8h 19m
American Airlines
Deal found 2/9![American Airlines logo]()
$350
This Southwest deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 3/257:10 pm
BOI
- PWM
2 stops14h 45m
Southwest
Wed 4/112:30 pm
PWM
- BOI
2 stops13h 20m
Southwest
Deal found 2/11![Southwest logo]()
$383
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” 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
Sat 5/26:45 pm
BOS
- GEG
1 stop8h 27m
Delta
Deal found 2/12![Delta logo]()
$283
This Alaska Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/178:29 pm
GEG
- BOS
1 stop7h 25m
Alaska Airlines
Tue 3/247:15 am
BOS
- GEG
1 stop9h 38m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 3/127:45 pm
GEG
- BOS
1 stop8h 04m
Delta
Thu 3/197:10 am
BOS
- GEG
1 stop8h 50m
Delta
Deal found 2/11![Delta logo]()
$283
This Alaska Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/157:31 pm
GEG
- BOS
1 stop7h 22m
Alaska Airlines
Wed 4/296:42 pm
BOS
- GEG
1 stop8h 13m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$297
This United Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” 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 4/22:35 pm
JAC
- BOS
1 stop7h 24m
United Airlines
Tue 4/711:00 am
BOS
- JAC
2 stops11h 53m
United Airlines
Deal found 2/12![United Airlines logo]()
$330
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” 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 5/41:07 pm
GEG
- BOS
1 stop7h 52m
Delta
Tue 5/127:45 am
BOS
- GEG
1 stop10h 50m
Delta
Deal found 2/12![Delta logo]()
$283
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 5/51:29 pm
BOI
- PWM
1 stop8h 44m
American Airlines
Wed 5/137:07 am
PWM
- BOI
1 stop7h 42m
American Airlines
Deal found 2/10![American Airlines logo]()
$367
This Alaska Airlines deal was found by Cheapflights users on 2/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/76:00 pm
BOI
- BOS
1 stop9h 52m
Alaska Airlines
Sat 3/146:24 pm
BOS
- BOI
1 stop17h 16m
Alaska Airlines
Deal found 2/9![Alaska Airlines logo]()
$307
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” 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 5/37:38 pm
GEG
- BOS
1 stop8h 17m
Delta
Thu 5/143:55 pm
BOS
- GEG
1 stop10h 02m
Delta
Deal found 2/12![Delta logo]()
$283
This Southwest deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 5/66:00 am
BOI
- BOS
2 stops10h 35m
Southwest
Sun 5/105:15 am
BOS
- BOI
1 stop7h 10m
Southwest
Deal found 2/11![Southwest logo]()
$387
This United Airlines deal was found by Cheapflights users on 2/9. 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 4/912:30 pm
BOI
- BOS
1 stop10h 35m
United Airlines
Tue 4/147:09 am
BOS
- BOI
1 stop8h 22m
United Airlines
Deal found 2/9![United Airlines logo]()
$356
This American Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 3/1812:25 pm
GEG
- PWM
1 stop8h 09m
American Airlines
Wed 3/256:17 am
PWM
- GEG
1 stop8h 27m
American Airlines
Deal found 2/11![American Airlines logo]()
$367
This Southwest deal was found by Cheapflights users on 2/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/78:00 am
BOI
- BOS
1 stop6h 45m
Southwest
Mon 4/133:45 pm
BOS
- BOI
2 stops11h 00m
Southwest
Deal found 2/9![Southwest logo]()
$387
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” 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 3/176:15 am
GEG
- BOS
2 stops10h 19m
Delta
Tue 3/2410:20 am
BOS
- GEG
2 stops11h 45m
Delta
Deal found 2/12![Delta logo]()
$294
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/52:33 pm
JAC
- BOS
1 stop7h 20m
United Airlines
Mon 3/95:45 am
BOS
- JAC
1 stop10h 35m
United Airlines
Deal found 2/10![United Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/51:44 pm
JAC
- BOS
2 stops15h 29m
American Airlines
Mon 3/96:00 am
BOS
- JAC
2 stops10h 26m
American Airlines
Deal found 2/10![American Airlines logo]()
$379
This Southwest deal was found by Cheapflights users on 2/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/53:15 pm
BOI
- BOS
1 stop6h 50m
Southwest
Sun 5/105:40 am
BOS
- BOI
2 stops9h 55m
Southwest
Deal found 2/9![Southwest logo]()
$389
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” 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 4/157:38 pm
GEG
- BOS
2 stops10h 33m
Delta
Sat 5/29:02 am
BOS
- GEG
2 stops12h 55m
Delta
Deal found 2/12![Delta logo]()
$294
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 4/292:35 pm
JAC
- BOS
1 stop7h 24m
United Airlines
Sat 5/25:45 am
BOS
- JAC
2 stops11h 33m
United Airlines
Deal found 2/11![United Airlines logo]()
$364
This American Airlines deal was found by Cheapflights users on 2/9. 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.
Tue 4/141:29 pm
BOI
- PWM
1 stop8h 44m
American Airlines
Thu 4/237:07 am
PWM
- BOI
1 stop7h 42m
American Airlines
Deal found 2/9![American Airlines logo]()
$380
This Alaska Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 2/2511:52 am
SUN
- BOS
1 stop10h 07m
Alaska Airlines
Sun 3/16:24 pm
BOS
- SUN
1 stop18h 46m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” 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 3/272:41 pm
JAC
- BOS
1 stop8h 32m
Delta
Mon 3/3010:20 am
BOS
- JAC
1 stop8h 27m
Delta
Deal found 2/12![Delta logo]()
$297
This United Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” 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 2/278:00 am
JAC
- BOS
1 stop7h 21m
United Airlines
Tue 3/36:00 am
BOS
- JAC
2 stops9h 21m
United Airlines
Deal found 2/12![United Airlines logo]()
$364
This American Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 3/251:31 pm
BOI
- PWM
1 stop8h 03m
American Airlines
Wed 4/16:17 am
PWM
- BOI
1 stop8h 43m
American Airlines
Deal found 2/11![American Airlines logo]()
$387
This Alaska Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 2/247:04 pm
SUN
- BOS
1 stop9h 50m
Alaska Airlines
Fri 2/277:00 am
BOS
- SUN
1 stop13h 22m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$389
Last-minute flights from Idaho to New HampshireDiscover last-minute flight deals from Idaho to New Hampshire. Data last updated February 12, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to New Hampshire. Data last updated February 12, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 2/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/76:00 pm
BOI
- BOS
1 stop9h 52m
Alaska Airlines
Sat 3/146:24 pm
BOS
- BOI
1 stop17h 16m
Alaska Airlines
Deal found 2/9![Alaska Airlines logo]()
$307
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” 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 3/105:52 am
BOI
- BOS
1 stop7h 50m
Delta
Mon 3/167:10 am
BOS
- BOI
1 stop10h 50m
Delta
Deal found 2/12![Delta logo]()
$283
This Alaska Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/101:00 pm
BOI
- BOS
1 stop8h 59m
Alaska Airlines
Tue 3/177:00 am
BOS
- BOI
1 stop10h 08m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$293
This Alaska Airlines deal was found by Cheapflights users on 2/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:00 pm
BOI
- BOS
1 stop10h 54m
Alaska Airlines
Mon 3/169:02 am
BOS
- BOI
1 stop10h 33m
Alaska Airlines
Deal found 2/9![Alaska Airlines logo]()
$321
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/105:00 am
BOI
- BOS
2 stops10h 17m
United Airlines
Tue 3/174:50 pm
BOS
- BOI
1 stop7h 53m
United Airlines
Deal found 2/10![United Airlines logo]()
$325
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/115:00 pm
GEG
- BOS
1 stop10h 10m
Delta
Wed 3/187:10 am
BOS
- GEG
1 stop10h 35m
Delta
Deal found 2/10![Delta logo]()
$267
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/116:37 pm
GEG
- BOS
2 stops11h 44m
United Airlines
Wed 3/1812:10 pm
BOS
- GEG
1 stop8h 41m
United Airlines
Deal found 2/10![United Airlines logo]()
$302
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 3/127:45 pm
GEG
- BOS
1 stop8h 04m
Delta
Thu 3/197:10 am
BOS
- GEG
1 stop8h 50m
Delta
Deal found 2/11![Delta logo]()
$283
This American Airlines deal was found by Cheapflights users on 2/9. 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.
Tue 3/173:10 pm
GEG
- BOS
1 stop11h 24m
American Airlines
Tue 3/246:30 am
BOS
- GEG
1 stop8h 14m
American Airlines
Deal found 2/9![American Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” 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 3/171:40 pm
GEG
- BOS
1 stop7h 19m
Delta
Tue 3/244:54 pm
BOS
- GEG
2 stops10h 09m
Delta
Deal found 2/12![Delta logo]()
$288
This Alaska Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/178:29 pm
GEG
- BOS
1 stop7h 25m
Alaska Airlines
Tue 3/247:15 am
BOS
- GEG
1 stop9h 38m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” 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 3/272:41 pm
JAC
- BOS
1 stop8h 32m
Delta
Mon 3/3010:20 am
BOS
- JAC
1 stop8h 27m
Delta
Deal found 2/12![Delta logo]()
$297
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 February 12, 2026.
Search for one-way flight options from Idaho to New Hampshire. Find affordable one-way fares based on user searches. Data last updated February 12, 2026.
This American Airlines deal was found by Cheapflights users on 2/9. 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.
Tue 3/101:31 pm
BOI
- BOS
1 stop8h 34m
American Airlines
Deal found 2/9![American Airlines logo]()
$129
This Delta deal was found by Cheapflights users on 2/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/65:10 pm
GEG
- BOS
1 stop9h 50m
Delta
Deal found 2/9![Delta logo]()
$129
This United Airlines deal was found by Cheapflights users on 2/9. 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 3/105:00 am
BOI
- BOS
2 stops10h 17m
United Airlines
Deal found 2/9![United Airlines logo]()
$134
This American Airlines deal was found by Cheapflights users on 2/9. 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.
Tue 3/36:00 am
GEG
- BOS
2 stops10h 04m
American Airlines
Deal found 2/9![American Airlines logo]()
$134
This Expedia deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/41:00 pm
BOI
- BOS
1 stop8h 59m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$147
This American Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 3/412:25 pm
GEG
- BOS
1 stop7h 36m
American Airlines
Deal found 2/11![American Airlines logo]()
$149
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/45:00 am
BOI
- BOS
2 stops10h 21m
United Airlines
Deal found 2/10![United Airlines logo]()
$152
This Expedia deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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.
Tue 3/311:52 am
SUN
- BOS
1 stop10h 07m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$159
This American Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 4/111:29 pm
BOI
- BOS
1 stop8h 54m
American Airlines
Deal found 2/11![American Airlines logo]()
$159
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/512:59 pm
BOI
- BOS
1 stop9h 50m
United Airlines
Deal found 2/10![United Airlines logo]()
$169
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 3/56:25 am
GEG
- BOS
1 stop11h 58m
Delta
Deal found 2/11![Delta logo]()
$169
This Delta deal was found by Cheapflights users on 2/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/33:25 pm
SUN
- BOS
1 stop6h 37m
Delta
Deal found 2/9![Delta logo]()
$171
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 February 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $257 (American Airlines) |
One-way from | $129 (American Airlines) |
Popular in | March |
Cheapest in | December |
Average price | $456 |
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 February 12, 2026.
Use the filters below to find and compare flights from Idaho to New Hampshire that are best for you.
Fly from
Idaho
Fly to
New Hampshire
Route
Depart
Return
Price
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Tue 5/5
5:10 pm-6:00 am
1 stop9h 50m
Boston Logan Intl
Sat 5/16
7:45 am-3:35 pm
1 stop10h 50m
$257
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Tue 4/14
1:07 pm-11:59 pm
1 stop7h 52m
Boston Logan Intl
Sat 5/2
6:45 pm-12:12 am
1 stop8h 27m
$283
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Thu 3/12
7:45 pm-6:49 am
1 stop8h 04m
Boston Logan Intl
Thu 3/19
7:10 am-1:00 pm
1 stop8h 50m
$283
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Mon 5/4
1:07 pm-11:59 pm
1 stop7h 52m
Boston Logan Intl
Tue 5/12
7:45 am-3:35 pm
1 stop10h 50m
$283
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Sun 5/3
7:38 pm-6:55 am
1 stop8h 17m
Boston Logan Intl
Thu 5/14
3:55 pm-10:57 pm
1 stop10h 02m
$283
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Tue 3/17
6:15 am-7:34 pm
2 stops10h 19m
Boston Logan Intl
Tue 3/24
10:20 am-7:05 pm
2 stops11h 45m
$294
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Wed 4/15
7:38 pm-9:11 am
2 stops10h 33m
Boston Logan Intl
Sat 5/2
9:02 am-6:57 pm
2 stops12h 55m
$294
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Wed 4/29
5:00 am-3:33 pm
1 stop7h 33m
Boston Logan Intl
Tue 5/5
6:42 pm-11:55 pm
1 stop8h 13m
$297
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Wed 4/15
1:43 pm-11:59 pm
1 stop7h 16m
Boston Logan Intl
Wed 4/29
7:09 am-12:41 pm
1 stop8h 32m
$297
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Tue 3/17
8:29 pm-6:54 am
1 stop7h 25m
Boston Logan Intl
Tue 3/24
7:15 am-1:53 pm
1 stop9h 38m
$297
Showing 1-10 of 60 results
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
SUN-BOS
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
SUN-BOS
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 February 12, 2026.
Read reviews from past customers who have flown American Airlines from Idaho to New Hampshire. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
6.9
Overall
7.2
Food
6.4
Comfort
7.2
Boarding
7.5
Crew
8.0
Reviews
1 / 20
2.0
MediocreSusie,Jan 2026
CLT - TPA
Entertainment
6.9
Overall
7.2
Food
6.4
Comfort
7.2
Boarding
7.5
Crew
8.0
Reviews
1 / 20
2.0
MediocreSusie,Jan 2026
CLT - TPA
Related info for your journey
Find useful and relevant information for your journey from Idaho to New Hampshire. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Idaho to New Hampshire
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to New Hampshire by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Idaho to New Hampshire by cabin class
Find flights from Idaho to New Hampshire, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Idaho and New Hampshire flights
Browse other Idaho and New Hampshire flight options. Last updated on February 12, 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 February 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$352 | Average$527 | FlexibilityNo cancel fee | On-time71% |