$142+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — MHT
May 9 — May 161
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 April 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 April 9, 2026.
This Alaska Airlines deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:08 pm
BOI
- BOS
1 stop11h 04m
Alaska Airlines
Wed 5/64:33 pm
BOS
- BOI
1 stop9h 26m
Alaska Airlines
Deal found 4/4![Alaska Airlines logo]()
$285
This Southwest deal was found by Cheapflights users on 4/4. 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.
Tue 5/56:00 am
BOI
- BOS
2 stops10h 35m
Southwest
Wed 5/65:35 am
BOS
- BOI
1 stop7h 20m
Southwest
Deal found 4/4![Southwest logo]()
$290
This Delta deal was found by Cheapflights users on 4/6. 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 5/511:25 am
GEG
- BOS
1 stop9h 34m
Delta
Sat 5/166:16 pm
BOS
- GEG
1 stop7h 50m
Delta
Deal found 4/6![Delta logo]()
$293
This American Airlines deal was found by Cheapflights users on 4/8. 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 10/212:57 pm
BOI
- BOS
1 stop6h 57m
American Airlines
Sat 10/246:05 am
BOS
- BOI
2 stops9h 57m
American Airlines
Deal found 4/8![American Airlines logo]()
$294
This Southwest deal was found by Cheapflights users on 4/5. 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.
Tue 5/56:00 am
BOI
- BOS
2 stops10h 35m
Southwest
Tue 5/122:25 pm
BOS
- BOI
2 stops11h 05m
Southwest
Deal found 4/5![Southwest logo]()
$295
This Southwest deal was found by Cheapflights users on 4/4. 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.
Tue 4/2810:05 am
BOI
- BOS
1 stop12h 00m
Southwest
Tue 5/122:25 pm
BOS
- BOI
2 stops11h 05m
Southwest
Deal found 4/4![Southwest logo]()
$296
This American Airlines deal was found by Cheapflights users on 4/8. 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 4/291:22 pm
GEG
- BOS
1 stop8h 03m
American Airlines
Sat 5/93:05 pm
BOS
- GEG
2 stops11h 04m
American Airlines
Deal found 4/8![American Airlines logo]()
$298
This American Airlines deal was found by Cheapflights users on 4/8. 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 5/56:45 am
BOI
- BOS
2 stops10h 45m
American Airlines
Sat 5/93:05 pm
BOS
- BOI
2 stops10h 36m
American Airlines
Deal found 4/8![American Airlines logo]()
$301
This American Airlines deal was found by Cheapflights users on 4/9. 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.
Mon 5/41:22 pm
GEG
- BOS
1 stop8h 03m
American Airlines
Wed 5/134:24 pm
BOS
- GEG
1 stop9h 45m
American Airlines
Deal found 4/9![American Airlines logo]()
$301
This American Airlines deal was found by Cheapflights users on 4/9. 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.
Sat 5/21:22 pm
GEG
- BOS
1 stop8h 03m
American Airlines
Sat 5/93:05 pm
BOS
- GEG
2 stops11h 04m
American Airlines
Deal found 4/9![American Airlines logo]()
$302
This Southwest deal was found by Cheapflights users on 4/7. 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 5/65:10 am
GEG
- BOS
2 stops10h 25m
Southwest
Tue 5/125:35 am
BOS
- GEG
2 stops11h 10m
Southwest
Deal found 4/7![Southwest logo]()
$303
This Delta deal was found by Cheapflights users on 4/7. 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 6/1012:00 pm
BOI
- BOS
1 stop10h 18m
Delta
Tue 6/165:55 am
BOS
- BOI
1 stop7h 03m
Delta
Deal found 4/7![Delta logo]()
$305
Best flights from Idaho to New HampshireDiscover carefully curated flight deals from Idaho to New Hampshire that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 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 April 9, 2026.
This Delta deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1412:35 pm
GEG
- BOS
1 stop8h 22m
Delta
Tue 7/217:10 am
BOS
- GEG
1 stop9h 11m
Delta
Deal found 4/5![Delta logo]()
$293
This Southwest deal was found by Cheapflights users on 4/6. 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 5/51:45 pm
GEG
- BOS
1 stop7h 20m
Southwest
Sun 5/105:15 am
BOS
- GEG
1 stop7h 40m
Southwest
Deal found 4/6![Southwest logo]()
$321
This Alaska Airlines deal was found by Cheapflights users on 4/5. 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.
Fri 5/86:00 am
BOI
- BOS
1 stop9h 42m
Alaska Airlines
Thu 5/147:20 am
BOS
- BOI
1 stop10h 14m
Alaska Airlines
Deal found 4/5![Alaska Airlines logo]()
$345
This United Airlines deal was found by Cheapflights users on 4/4. 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 5/51:41 pm
GEG
- BOS
1 stop7h 18m
United Airlines
Wed 5/610:45 am
BOS
- GEG
2 stops13h 31m
United Airlines
Deal found 4/4![United Airlines logo]()
$408
This American Airlines deal was found by Cheapflights users on 4/7. 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 8/186:30 am
GEG
- MHT
2 stops13h 33m
American Airlines
Sat 8/2912:10 pm
MHT
- GEG
2 stops13h 52m
American Airlines
Deal found 4/7![American Airlines logo]()
$427
This Delta deal was found by Cheapflights users on 4/9. 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 5/57:03 pm
GEG
- BOS
1 stop7h 57m
Delta
Sat 5/168:10 am
BOS
- GEG
1 stop8h 01m
Delta
Deal found 4/9![Delta logo]()
$293
This Delta deal was found by Cheapflights users on 4/7. 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.
Tue 4/286:16 pm
BOI
- BOS
1 stop9h 44m
Delta
Tue 5/128:10 am
BOS
- BOI
1 stop7h 08m
Delta
Deal found 4/7![Delta logo]()
$305
This Southwest deal was found by Cheapflights users on 4/4. 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.
Tue 5/56:40 am
BOI
- BOS
2 stops9h 55m
Southwest
Wed 5/62:25 pm
BOS
- BOI
2 stops11h 05m
Southwest
Deal found 4/4![Southwest logo]()
$351
This Delta deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:00 pm
GEG
- BOS
1 stop10h 09m
Delta
Tue 8/255:40 am
BOS
- GEG
1 stop10h 27m
Delta
Deal found 4/5![Delta logo]()
$310
This Delta deal was found by Cheapflights users on 4/6. 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.
Sat 5/95:37 pm
GEG
- BOS
1 stop10h 58m
Delta
Sat 5/168:10 am
BOS
- GEG
1 stop8h 01m
Delta
Deal found 4/6![Delta logo]()
$313
This American Airlines deal was found by Cheapflights users on 4/6. 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 5/213:49 pm
JAC
- PWM
1 stop6h 46m
American Airlines
Sun 5/245:42 am
PWM
- JAC
2 stops12h 15m
American Airlines
Deal found 4/6![American Airlines logo]()
$434
This Alaska Airlines deal was found by Cheapflights users on 4/5. 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.
Wed 6/312:46 pm
GEG
- BOS
1 stop8h 13m
Alaska Airlines
Fri 6/56:00 am
BOS
- GEG
2 stops19h 36m
Alaska Airlines
Deal found 4/5![Alaska Airlines logo]()
$438
This Delta deal was found by Cheapflights users on 4/9. 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 9/13:25 pm
BOI
- BOS
1 stop6h 27m
Delta
Fri 9/46:00 am
BOS
- BOI
1 stop10h 34m
Delta
Deal found 4/9![Delta logo]()
$315
This Southwest deal was found by Cheapflights users on 4/8. 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.
Fri 5/12:50 pm
GEG
- BOS
1 stop7h 00m
Southwest
Mon 5/113:45 pm
BOS
- GEG
2 stops11h 50m
Southwest
Deal found 4/8![Southwest logo]()
$434
This American Airlines deal was found by Cheapflights users on 4/6. 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 6/62:08 pm
GEG
- PWM
1 stop7h 30m
American Airlines
Sat 6/133:05 pm
PWM
- GEG
2 stops11h 04m
American Airlines
Deal found 4/6![American Airlines logo]()
$438
This United Airlines deal was found by Cheapflights users on 4/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/62:31 pm
IDA
- BOS
1 stop7h 28m
United Airlines
Sun 5/107:09 am
BOS
- IDA
1 stop10h 34m
United Airlines
Deal found 4/5![United Airlines logo]()
$484
This Delta deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/269:16 pm
BOI
- BOS
1 stop8h 19m
Delta
Fri 5/296:16 pm
BOS
- BOI
1 stop7h 30m
Delta
Deal found 4/5![Delta logo]()
$315
This United Airlines deal was found by Cheapflights users on 4/7. 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 5/55:00 am
BOI
- PWM
1 stop8h 41m
United Airlines
Wed 5/63:23 pm
PWM
- BOI
1 stop9h 12m
United Airlines
Deal found 4/7![United Airlines logo]()
$493
This American Airlines deal was found by Cheapflights users on 4/7. 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.
Sat 9/51:19 pm
GEG
- MHT
1 stop7h 40m
American Airlines
Sat 9/127:20 am
MHT
- GEG
1 stop7h 20m
American Airlines
Deal found 4/7![American Airlines logo]()
$457
This Southwest deal was found by Cheapflights users on 4/6. 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.
Thu 6/47:10 pm
BOI
- MHT
2 stops11h 00m
Southwest
Wed 6/103:55 pm
MHT
- BOI
2 stops10h 35m
Southwest
Deal found 4/6![Southwest logo]()
$461
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:00 am
IDA
- BOS
1 stop9h 42m
Alaska Airlines
Mon 5/117:00 am
BOS
- IDA
1 stop10h 29m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$509
This Delta deal was found by Cheapflights users on 4/7. 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.
Fri 6/127:53 pm
BOI
- BOS
1 stop9h 42m
Delta
Tue 6/165:55 am
BOS
- BOI
1 stop7h 03m
Delta
Deal found 4/7![Delta logo]()
$335
This United Airlines deal was found by Cheapflights users on 4/8. 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.
Tue 5/55:00 am
GEG
- PWM
1 stop7h 41m
United Airlines
Wed 5/611:08 am
PWM
- GEG
2 stops13h 08m
United Airlines
Deal found 4/8![United Airlines logo]()
$498
This Alaska Airlines deal was found by Cheapflights users on 4/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/154:14 pm
IDA
- BOS
2 stops11h 26m
Alaska Airlines
Mon 8/176:03 am
BOS
- IDA
1 stop9h 03m
Alaska Airlines
Deal found 4/8![Alaska Airlines logo]()
$522
This American Airlines deal was found by Cheapflights users on 4/6. 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 10/69:04 am
GEG
- PWM
2 stops11h 33m
American Airlines
Thu 10/2912:27 pm
PWM
- GEG
2 stops13h 33m
American Airlines
Deal found 4/6![American Airlines logo]()
$477
This Southwest deal was found by Cheapflights users on 4/9. 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.
Mon 7/208:45 am
BOI
- PWM
1 stop11h 25m
Southwest
Thu 7/233:10 pm
PWM
- BOI
2 stops11h 55m
Southwest
Deal found 4/9![Southwest logo]()
$478
This Delta deal was found by Cheapflights users on 4/6. 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 5/38:40 pm
BOI
- BOS
1 stop8h 15m
Delta
Sun 5/105:51 am
BOS
- BOI
1 stop9h 27m
Delta
Deal found 4/6![Delta logo]()
$345
This United Airlines deal was found by Cheapflights users on 4/8. 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.
Tue 5/52:30 pm
SUN
- BOS
1 stop7h 29m
United Airlines
Sat 5/97:09 am
BOS
- SUN
1 stop8h 29m
United Airlines
Deal found 4/8![United Airlines logo]()
$511
This Southwest deal was found by Cheapflights users on 4/9. 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.
Thu 5/76:55 pm
BOI
- MHT
2 stops11h 35m
Southwest
Thu 5/143:15 pm
MHT
- BOI
2 stops11h 45m
Southwest
Deal found 4/9![Southwest logo]()
$485
This American Airlines deal was found by Cheapflights users on 4/6. 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 7/116:30 am
GEG
- MHT
2 stops14h 02m
American Airlines
Tue 8/47:00 am
MHT
- GEG
1 stop9h 07m
American Airlines
Deal found 4/6![American Airlines logo]()
$491
Last-minute flights from Idaho to New HampshireDiscover last-minute flight deals from Idaho to New Hampshire. Data last updated April 9, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to New Hampshire. Data last updated April 9, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 4/4. 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.
Tue 4/2810:05 am
BOI
- BOS
1 stop12h 00m
Southwest
Tue 5/122:25 pm
BOS
- BOI
2 stops11h 05m
Southwest
Deal found 4/4![Southwest logo]()
$296
This Delta deal was found by Cheapflights users on 4/7. 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.
Tue 4/286:16 pm
BOI
- BOS
1 stop9h 44m
Delta
Tue 5/128:10 am
BOS
- BOI
1 stop7h 08m
Delta
Deal found 4/7![Delta logo]()
$305
This American Airlines deal was found by Cheapflights users on 4/8. 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 4/291:22 pm
GEG
- BOS
1 stop8h 03m
American Airlines
Sat 5/93:05 pm
BOS
- GEG
2 stops11h 04m
American Airlines
Deal found 4/8![American Airlines logo]()
$298
This American Airlines deal was found by Cheapflights users on 4/9. 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.
Sat 5/21:22 pm
GEG
- BOS
1 stop8h 03m
American Airlines
Sat 5/93:05 pm
BOS
- GEG
2 stops11h 04m
American Airlines
Deal found 4/9![American Airlines logo]()
$302
This American Airlines deal was found by Cheapflights users on 4/9. 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.
Mon 5/41:22 pm
GEG
- BOS
1 stop8h 03m
American Airlines
Wed 5/134:24 pm
BOS
- GEG
1 stop9h 45m
American Airlines
Deal found 4/9![American Airlines logo]()
$301
This Delta deal was found by Cheapflights users on 4/6. 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 5/47:03 pm
GEG
- BOS
1 stop7h 57m
Delta
Mon 5/116:15 am
BOS
- GEG
1 stop12h 18m
Delta
Deal found 4/6![Delta logo]()
$309
This Alaska Airlines deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:08 pm
BOI
- BOS
1 stop11h 04m
Alaska Airlines
Wed 5/64:33 pm
BOS
- BOI
1 stop9h 26m
Alaska Airlines
Deal found 4/4![Alaska Airlines logo]()
$285
This Southwest deal was found by Cheapflights users on 4/5. 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.
Tue 5/53:15 pm
BOI
- BOS
1 stop6h 50m
Southwest
Tue 5/122:25 pm
BOS
- BOI
2 stops11h 05m
Southwest
Deal found 4/5![Southwest logo]()
$290
This Delta deal was found by Cheapflights users on 4/6. 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 5/511:25 am
GEG
- BOS
1 stop9h 34m
Delta
Sat 5/166:16 pm
BOS
- GEG
1 stop7h 50m
Delta
Deal found 4/6![Delta logo]()
$293
This American Airlines deal was found by Cheapflights users on 4/8. 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 5/56:45 am
BOI
- BOS
2 stops10h 45m
American Airlines
Sat 5/93:05 pm
BOS
- BOI
2 stops10h 36m
American Airlines
Deal found 4/8![American Airlines logo]()
$301
This Southwest deal was found by Cheapflights users on 4/8. 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.
Tue 5/53:15 pm
BOI
- BOS
1 stop6h 50m
Southwest
Sat 5/95:15 am
BOS
- BOI
1 stop13h 00m
Southwest
Deal found 4/8![Southwest logo]()
$309
This Southwest deal was found by Cheapflights users on 4/7. 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 5/65:10 am
GEG
- BOS
2 stops10h 25m
Southwest
Tue 5/125:35 am
BOS
- GEG
2 stops11h 10m
Southwest
Deal found 4/7![Southwest logo]()
$303
One-way flights from Idaho to New HampshireSearch for one-way flight options from Idaho to New Hampshire. Find affordable one-way fares based on user searches. Data last updated April 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 April 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Mon 5/117:20 pm
BOI
- BOS
1 stop9h 52m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$142
This United Airlines deal was found by Cheapflights users on 4/6. 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.
Sat 5/212:30 pm
BOI
- BOS
1 stop10h 40m
United Airlines
Deal found 4/6![United Airlines logo]()
$143
This American Airlines deal was found by Cheapflights users on 4/5. 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 4/5![American Airlines logo]()
$147
This Southwest deal was found by Cheapflights users on 4/7. 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.
Tue 5/56:00 am
BOI
- BOS
2 stops10h 35m
Southwest
Deal found 4/7![Southwest logo]()
$148
This United Airlines deal was found by Cheapflights users on 4/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:57 pm
GEG
- BOS
2 stops14h 02m
United Airlines
Deal found 4/5![United Airlines logo]()
$152
This Delta deal was found by Cheapflights users on 4/7. 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.
Mon 6/19:18 pm
BOI
- BOS
1 stop8h 15m
Delta
Deal found 4/7![Delta logo]()
$153
This American Airlines deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/71:13 pm
GEG
- BOS
1 stop8h 12m
American Airlines
Deal found 4/5![American Airlines logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Mon 5/410:21 pm
IDA
- BOS
3 stops49h 03m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$157
This Southwest deal was found by Cheapflights users on 4/7. 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.
Mon 6/15:35 pm
GEG
- BOS
2 stops11h 40m
Southwest
Deal found 4/7![Southwest logo]()
$160
This Delta deal was found by Cheapflights users on 4/6. 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.
Fri 8/712:35 pm
GEG
- BOS
1 stop6h 26m
Delta
Deal found 4/6![Delta logo]()
$164
This Delta deal was found by Cheapflights users on 4/7. 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.
Thu 8/612:35 pm
GEG
- BOS
1 stop6h 26m
Delta
Deal found 4/7![Delta logo]()
$165
This American Airlines deal was found by Cheapflights users on 4/8. 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 6/43:11 pm
BOI
- BOS
1 stop7h 04m
American Airlines
Deal found 4/8![American Airlines logo]()
$167
Find flight deals from Idaho to New Hampshire
Keep the following information in mind while searching for Idaho to New Hampshire flight deals. Data was last updated April 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $285 (Alaska Airlines) |
One-way from | $142 (Kiwi.com) |
Popular in | April |
Cheapest in | December |
Average price | $588 |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho to New Hampshire that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 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 7/14
12:35 pm-11:57 pm
1 stop8h 22m
Boston Logan Intl
Tue 7/21
7:10 am-1:21 pm
1 stop9h 11m
$293
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Tue 5/5
7:03 pm-6:00 am
1 stop7h 57m
Boston Logan Intl
Sat 5/16
8:10 am-1:11 pm
1 stop8h 01m
$293
BoiseBoston
BOI - BOS
BOIBOS
Boise Air Term. Gowen Fld
Tue 4/28
6:16 pm-6:00 am
1 stop9h 44m
Boston Logan Intl
Tue 5/12
8:10 am-1:18 pm
1 stop7h 08m
$305
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Fri 8/21
5:00 pm-6:09 am
1 stop10h 09m
Boston Logan Intl
Tue 8/25
5:40 am-1:07 pm
1 stop10h 27m
$310
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Sat 5/9
5:37 pm-7:35 am
1 stop10h 58m
Boston Logan Intl
Sat 5/16
8:10 am-1:11 pm
1 stop8h 01m
$313
BoiseBoston
BOI - BOS
BOIBOS
Boise Air Term. Gowen Fld
Tue 9/1
3:25 pm-11:52 pm
1 stop6h 27m
Boston Logan Intl
Fri 9/4
6:00 am-2:34 pm
1 stop10h 34m
$315
BoiseBoston
BOI - BOS
BOIBOS
Boise Air Term. Gowen Fld
Tue 5/26
9:16 pm-7:35 am
1 stop8h 19m
Boston Logan Intl
Fri 5/29
6:16 pm-11:46 pm
1 stop7h 30m
$315
Quickest round-trip
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Tue 5/5
1:45 pm-12:05 am
1 stop7h 20m
Boston Logan Intl
Sun 5/10
5:15 am-9:55 am
1 stop7h 40m
$321
BoiseBoston
BOI - BOS
BOIBOS
Boise Air Term. Gowen Fld
Fri 6/12
7:53 pm-7:35 am
1 stop9h 42m
Boston Logan Intl
Tue 6/16
5:55 am-10:58 am
1 stop7h 03m
$335
BoiseBoston
BOI - BOS
BOIBOS
Boise Air Term. Gowen Fld
Fri 5/8
6:00 am-5:42 pm
1 stop9h 42m
Boston Logan Intl
Thu 5/14
7:20 am-3:34 pm
1 stop10h 14m
$345
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
IDA-BOS
GEG-MHT
JAC-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
IDA-BOS
GEG-MHT
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing New Hampshire
Get insights into the airlines that provide service to New Hampshire. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to New Hampshire. Reviews last updated April 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.
Food
6.4
Boarding
7.5
Overall
7.1
Entertainment
6.9
Crew
7.9
Comfort
7.2
Reviews
1 / 20
4.0
OkayElizabeth,Mar 2026
ORD - MIA
Food
6.4
Boarding
7.5
Overall
7.1
Entertainment
6.9
Crew
7.9
Comfort
7.2
Reviews
1 / 20
4.0
OkayElizabeth,Mar 2026
ORD - MIA
Related info for your journey
Find useful and relevant information for your journey from Idaho to New Hampshire. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Idaho to New Hampshire
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to New Hampshire by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Idaho to New Hampshire by cabin class
Find flights from Idaho to New Hampshire, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Idaho and New Hampshire flights
Browse other Idaho and New Hampshire flight options. Last updated on April 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 April 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$352 | Average$527 | FlexibilityNo cancel fee | On-time71% |