$172+ Cheap flights from Idaho to New Hampshire
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — MHT
Oct 4 — Oct 111
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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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 September 4, 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 September 4, 2026.
This lol.travel deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/192:06 pm -
1 stop7h 53m
Tue 10/277:03 am -
1 stop10h 20m
Deal found 9/3![Alaska Airlines logo]()
$322
This Alaska Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 11/106:21 pm -
1 stop9h 19m
Wed 11/119:03 am -
1 stop10h 01m
Deal found 9/2![Alaska Airlines logo]()
$337
This Alaska Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 11/124:16 pm -
1 stop11h 24m
Tue 11/177:03 am -
1 stop14h 43m
Deal found 9/1![Alaska Airlines logo]()
$343
This Southwest deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/203:20 pm -
1 stop6h 35m
Wed 10/282:50 pm -
2 stops9h 30m
Deal found 8/31![Southwest logo]()
$348
This Southwest deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 11/125:35 am -
2 stops9h 35m
Tue 11/177:10 am -
2 stops10h 00m
Deal found 9/2![Southwest logo]()
$353
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 10/1612:14 pm -
1 stop8h 36m
Tue 10/207:00 am -
1 stop9h 33m
Deal found 9/2![American Airlines logo]()
$356
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/104:00 pm -
1 stop11h 27m
Tue 10/207:55 am -
1 stop9h 25m
Deal found 8/31![Delta logo]()
$357
This Southwest deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/172:25 pm -
1 stop6h 55m
Sat 10/241:55 pm -
2 stops9h 55m
Deal found 9/3![Southwest logo]()
$361
This Alaska Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 11/104:39 pm -
1 stop10h 01m
Wed 11/119:03 am -
1 stop9h 40m
Deal found 9/2![Alaska Airlines logo]()
$361
This Alaska Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 10/207:19 am -
1 stop19h 02m
Tue 10/277:51 am -
1 stop16h 49m
Deal found 8/30![Alaska Airlines logo]()
$363
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2412:14 pm -
1 stop9h 41m
Sun 11/15:43 am -
1 stop8h 54m
Deal found 9/2![American Airlines logo]()
$364
This Alaska Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/207:19 am -
1 stop19h 02m
Sat 10/247:03 am -
1 stop8h 51m
Deal found 8/31![Alaska Airlines logo]()
$365
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 September 4, 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 September 4, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 11/106:21 pm -
1 stop9h 19m
Wed 11/119:03 am -
1 stop10h 01m
Deal found 9/3![Alaska Airlines logo]()
$337
This Southwest deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 10/2111:20 am -
2 stops10h 35m
Thu 10/295:00 am -
1 stop7h 45m
Deal found 9/1![Southwest logo]()
$348
This Delta deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 11/177:00 am -
2 stops13h 21m
Mon 11/236:00 am -
1 stop8h 58m
Deal found 9/2![Delta logo]()
$374
This American Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:00 am -
2 stops12h 56m
Tue 10/67:00 am -
1 stop7h 50m
Deal found 9/1![American Airlines logo]()
$462
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:00 am -
1 stop9h 02m
Sat 11/145:08 pm -
1 stop7h 43m
Deal found 9/2![United Airlines logo]()
$479
This Alaska Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 11/104:39 pm -
1 stop10h 01m
Wed 11/119:03 am -
1 stop9h 40m
Deal found 9/3![Alaska Airlines logo]()
$361
This Southwest deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/292:45 pm -
1 stop7h 30m
Mon 11/212:45 pm -
2 stops12h 35m
Deal found 8/31![Southwest logo]()
$372
This Delta deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 10/175:10 am -
1 stop7h 50m
Wed 10/216:05 am -
1 stop9h 14m
Deal found 9/1![Delta logo]()
$381
This Southwest deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 9/1912:55 pm -
1 stop8h 25m
Wed 9/232:10 pm -
2 stops11h 05m
Deal found 8/30![Southwest logo]()
$381
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/1611:10 pm -
2 stops11h 12m
Sat 10/246:01 am -
2 stops12h 13m
Deal found 9/3![Delta logo]()
$390
This Alaska Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/212:27 pm -
2 stops12h 54m
Mon 10/264:58 pm -
1 stop9h 01m
Deal found 8/30![Alaska Airlines logo]()
$423
This Southwest deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 9/221:55 pm -
1 stop7h 15m
Tue 9/292:45 pm -
2 stops10h 45m
Deal found 8/31![Southwest logo]()
$388
This United Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/175:00 am -
1 stop8h 02m
Wed 11/183:23 pm -
1 stop8h 48m
Deal found 9/1![United Airlines logo]()
$479
This Delta deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 10/177:05 am -
2 stops14h 05m
Sat 10/246:01 am -
1 stop8h 49m
Deal found 9/1![Delta logo]()
$428
This United Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/175:00 am -
1 stop8h 02m
Mon 11/233:23 pm -
1 stop8h 48m
Deal found 9/1![United Airlines logo]()
$479
This Southwest deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 11/275:35 am -
2 stops9h 35m
Mon 1/111:10 pm -
2 stops11h 55m
Deal found 8/30![Southwest logo]()
$401
This Alaska Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 9/94:20 pm -
1 stop13h 19m
Mon 9/147:59 pm -
1 stop15h 57m
Deal found 9/2![Alaska Airlines logo]()
$444
This American Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:43 pm -
1 stop7h 52m
Sat 11/216:00 am -
1 stop8h 42m
Deal found 9/3![American Airlines logo]()
$560
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:00 am -
1 stop9h 19m
Wed 11/119:00 am -
2 stops12h 41m
Deal found 9/3![United Airlines logo]()
$482
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/61:00 pm -
1 stop7h 58m
Sat 10/107:55 am -
1 stop9h 55m
Deal found 9/3![Delta logo]()
$440
This Alaska Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 10/168:22 pm -
1 stop9h 04m
Sat 10/247:51 am -
2 stops16h 10m
Deal found 9/1![Alaska Airlines logo]()
$449
This Southwest deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 9/297:00 am -
2 stops12h 15m
Tue 10/61:15 pm -
2 stops11h 30m
Deal found 8/30![Southwest logo]()
$409
This American Airlines deal was found by Cheapflights users on 9/4. 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.
Wed 9/1612:15 pm -
1 stop8h 14m
Sat 9/197:00 am -
1 stop8h 28m
Deal found 9/4![American Airlines logo]()
$580
This Delta deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 11/97:00 am -
2 stops14h 19m
Sat 11/146:00 am -
1 stop8h 58m
Deal found 8/30![Delta logo]()
$440
This United Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 12/57:00 am -
2 stops8h 58m
Wed 12/97:30 am -
1 stop8h 07m
Deal found 9/1![United Airlines logo]()
$494
This Southwest deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/172:25 pm -
1 stop6h 55m
Sun 10/255:00 am -
1 stop7h 40m
Deal found 9/3![Southwest logo]()
$415
This Alaska Airlines deal was found by Cheapflights users on 9/4. 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.
Thu 10/2911:48 am -
1 stop10h 11m
Tue 11/37:03 am -
2 stops29h 48m
Deal found 9/4![Alaska Airlines logo]()
$469
This American Airlines deal was found by Cheapflights users on 9/4. 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.
Wed 10/146:37 am -
2 stops12h 12m
Wed 10/2112:28 pm -
2 stops11h 14m
Deal found 9/4![American Airlines logo]()
$586
This Delta deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 9/186:57 pm -
1 stop9h 33m
Sat 9/192:40 pm -
2 stops9h 42m
Deal found 9/2![Delta logo]()
$444
This Southwest deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/163:50 pm -
1 stop7h 25m
Sun 10/2510:50 pm -
2 stops14h 30m
Deal found 9/3![Southwest logo]()
$425
Last-minute flights from Idaho to New HampshireDiscover last-minute flight deals from Idaho to New Hampshire. Data last updated September 4, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to New Hampshire. Data last updated September 4, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 9/2212:35 pm -
1 stop9h 35m
Tue 9/292:10 pm -
2 stops11h 05m
Deal found 9/1![Southwest logo]()
$369
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/104:00 pm -
1 stop11h 27m
Sat 10/245:50 am -
1 stop8h 45m
Deal found 8/31![Delta logo]()
$357
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 10/132:02 pm -
1 stop7h 43m
Tue 10/205:17 am -
1 stop10h 34m
Deal found 9/2![American Airlines logo]()
$343
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 10/1612:14 pm -
1 stop8h 36m
Tue 10/207:00 am -
1 stop9h 33m
Deal found 9/2![American Airlines logo]()
$356
This Southwest deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/172:25 pm -
1 stop6h 55m
Sat 10/241:55 pm -
2 stops9h 55m
Deal found 9/3![Southwest logo]()
$361
This lol.travel deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/192:06 pm -
1 stop7h 53m
Tue 10/277:03 am -
1 stop10h 20m
Deal found 9/3![Alaska Airlines logo]()
$322
This Southwest deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/203:20 pm -
1 stop6h 35m
Wed 10/282:50 pm -
2 stops9h 30m
Deal found 8/31![Southwest logo]()
$348
This Alaska Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 10/207:19 am -
1 stop19h 02m
Tue 10/277:51 am -
1 stop16h 49m
Deal found 8/30![Alaska Airlines logo]()
$363
This Alaska Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/207:19 am -
1 stop19h 02m
Sat 10/247:03 am -
1 stop8h 51m
Deal found 8/31![Alaska Airlines logo]()
$365
This Southwest deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 10/2111:20 am -
2 stops10h 35m
Thu 10/291:10 pm -
2 stops11h 50m
Deal found 9/1![Southwest logo]()
$353
This Alaska Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/214:20 pm -
1 stop11h 52m
Mon 10/264:58 pm -
1 stop9h 01m
Deal found 8/30![Alaska Airlines logo]()
$363
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2412:14 pm -
1 stop9h 41m
Sun 11/15:43 am -
1 stop8h 54m
Deal found 9/2![American Airlines logo]()
$364
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 September 4, 2026.
Search for one-way flight options from Idaho to New Hampshire. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
This Southwest deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 9/292:25 pm -
1 stop7h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Southwest logo]()
$172
This Alaska Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/36:04 pm -
1 stop11h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Alaska Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:34 am -
1 stop11h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Delta logo]()
$179
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 9/295:00 am -
2 stops9h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/30![United Airlines logo]()
$184
This American Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:30 am -
1 stop11h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![American Airlines logo]()
$184
This Alaska Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 10/168:22 pm -
1 stop9h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Alaska Airlines logo]()
$185
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/1712:26 pm -
1 stop7h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![United Airlines logo]()
$185
This Delta deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 9/2612:38 pm -
1 stop9h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Delta logo]()
$189
This Delta deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 11/177:00 am -
2 stops13h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Delta logo]()
$190
This Delta deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 2/1212:40 pm -
1 stop9h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/30![Delta logo]()
$191
This Delta deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 9/257:19 pm -
1 stop10h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Delta logo]()
$192
This Alaska Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 10/184:18 pm -
1 stop13h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Alaska Airlines logo]()
$198
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 September 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $322 (lol.travel) |
One-way from | $172 (Southwest) |
Popular in | April |
Cheapest in | December |
Average price | $450 |
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 7,457,451 searches. Data last updated September 4, 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
Quickest round-trip
BoiseBoston
BOI Boise Air Term. Gowen Fld - BOS Boston Logan Intl
BOIBOS
Boise Air Term. Gowen Fld
Tue 9/29
2:25 pm-12:10 am
1 stop7h 45m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$172
BoiseBoston
BOI Boise Air Term. Gowen Fld - BOS Boston Logan Intl
BOIBOS
Boise Air Term. Gowen Fld
Wed 9/30
12:17 pm-12:29 am
1 stop10h 12m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$179
SpokaneBoston
GEG Spokane - BOS Boston Logan Intl
GEGBOS
Spokane
Fri 10/2
6:00 am-8:57 pm
1 stop11h 57m
Boston Logan Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$184
BoiseBoston
BOI Boise Air Term. Gowen Fld - BOS Boston Logan Intl
BOIBOS
Boise Air Term. Gowen Fld
Fri 10/16
8:22 pm-7:26 am
1 stop9h 04m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$185
SpokaneBoston
GEG Spokane - BOS Boston Logan Intl
GEGBOS
Spokane
Sat 9/26
12:38 pm-1:17 am
1 stop9h 39m
Boston Logan Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$189
SpokaneBoston
GEG Spokane - BOS Boston Logan Intl
GEGBOS
Spokane
Sat 9/26
5:00 am-7:22 pm
2 stops11h 22m
Boston Logan Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$189
SpokaneBoston
GEG Spokane - BOS Boston Logan Intl
GEGBOS
Spokane
Tue 9/22
5:49 pm-7:40 am
1 stop10h 51m
Boston Logan Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$189
SpokanePortland
GEG Spokane - PWM Portland
GEGPWM
Spokane
Tue 11/17
6:15 am-10:57 pm
2 stops13h 42m
Portland
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$190
BoisePortland
BOI Boise Air Term. Gowen Fld - PWM Portland
BOIPWM
Boise Air Term. Gowen Fld
Sat 10/17
5:00 am-7:24 pm
2 stops12h 24m
Portland
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$190
SpokanePortland
GEG Spokane - PWM Portland
GEGPWM
Spokane
Sat 10/17
7:05 am-12:10 am
2 stops14h 05m
Portland
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$190
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
GEG-PWM
BOI-PWM
BOI-MHT
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
GEG-PWM
BOI-PWM
No data available for this route at this time. Please check back soon.
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.
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