$139+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — MHT
Sep 3 — Sep 101
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 August 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 August 4, 2026.
This Delta deal was found by Cheapflights users on 8/2. 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.
Mon 8/247:28 pm -
1 stop10h 07m
Thu 8/277:45 am -
1 stop9h 33m
Deal found 8/2![Delta logo]()
$267
This Delta deal was found by Cheapflights users on 8/3. 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.
Mon 8/247:54 pm -
1 stop8h 41m
Sun 8/304:05 pm -
1 stop10h 54m
Deal found 8/3![Delta logo]()
$289
This American Airlines deal was found by Cheapflights users on 8/4. 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.
Fri 8/2812:12 pm -
1 stop7h 54m
Sun 9/67:10 am -
1 stop9h 19m
Deal found 8/4![American Airlines logo]()
$290
This United Airlines deal was found by Cheapflights users on 8/3. 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.
Wed 8/262:44 pm -
1 stop7h 10m
Sun 8/305:45 am -
2 stops9h 53m
Deal found 8/3![United Airlines logo]()
$293
This American Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:40 am -
1 stop11h 02m
Thu 8/271:02 pm -
1 stop10h 40m
Deal found 8/4![American Airlines logo]()
$297
This United Airlines deal was found by Cheapflights users on 7/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2912:24 pm -
1 stop7h 34m
Mon 8/317:45 am -
1 stop9h 46m
Deal found 7/31![United Airlines logo]()
$300
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1412:12 pm -
1 stop7h 54m
Sun 8/237:10 am -
1 stop9h 19m
Deal found 7/30![American Airlines logo]()
$307
This Delta deal was found by Cheapflights users on 8/3. 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.
Mon 8/177:54 pm -
1 stop8h 41m
Tue 8/254:05 pm -
1 stop10h 54m
Deal found 8/3![Delta logo]()
$307
This Delta deal was found by Cheapflights users on 7/31. 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.
Tue 8/2512:23 pm -
1 stop9h 54m
Wed 9/25:30 am -
1 stop9h 19m
Deal found 7/31![Delta logo]()
$309
This American Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:40 am -
1 stop11h 02m
Sun 9/68:27 am -
1 stop8h 10m
Deal found 8/4![American Airlines logo]()
$312
This Southwest deal was found by Cheapflights users on 8/2. 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 8/2712:20 pm -
1 stop9h 05m
Mon 8/315:40 am -
1 stop7h 35m
Deal found 8/2![Southwest logo]()
$322
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Wed 9/212:24 pm -
1 stop9h 10m
Wed 9/96:00 am -
1 stop7h 26m
Deal found 7/30![United Airlines logo]()
$323
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 August 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 August 4, 2026.
This Delta deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:54 pm -
1 stop8h 41m
Sun 8/304:05 pm -
1 stop10h 54m
Deal found 8/4![Delta logo]()
$307
This United Airlines deal was found by Cheapflights users on 8/4. 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.
Fri 8/281:37 pm -
1 stop7h 17m
Wed 9/212:41 pm -
2 stops11h 05m
Deal found 8/4![United Airlines logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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.
Fri 10/167:37 pm -
1 stop31h 44m
Sat 10/247:03 am -
1 stop10h 20m
Deal found 7/31![Alaska Airlines logo]()
$341
This Southwest deal was found by Cheapflights users on 8/3. 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.
Mon 11/165:45 am -
2 stops9h 05m
Thu 11/194:40 pm -
1 stop7h 50m
Deal found 8/3![Southwest logo]()
$348
This American Airlines deal was found by Cheapflights users on 8/4. 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 10/141:50 pm -
1 stop6h 47m
Wed 10/216:27 am -
1 stop8h 42m
Deal found 8/4![American Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 8/1. 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 8/181:00 pm -
1 stop8h 17m
Thu 8/2711:20 am -
1 stop10h 54m
Deal found 8/1![Delta logo]()
$307
This Delta deal was found by Cheapflights users on 8/2. 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.
Mon 8/247:28 pm -
1 stop10h 07m
Thu 9/244:00 pm -
1 stop9h 58m
Deal found 8/2![Delta logo]()
$313
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 12/86:00 am -
1 stop8h 46m
Wed 12/97:08 am -
1 stop11h 03m
Deal found 7/31![Alaska Airlines logo]()
$347
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Fri 8/142:44 pm -
1 stop7h 10m
Tue 8/182:28 pm -
2 stops10h 12m
Deal found 7/30![United Airlines logo]()
$362
This Southwest deal was found by Cheapflights users on 8/3. 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 9/82:25 pm -
1 stop7h 45m
Fri 9/117:30 am -
1 stop8h 40m
Deal found 8/3![Southwest logo]()
$375
This American Airlines deal was found by Cheapflights users on 8/1. 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.
Sat 9/55:40 am -
2 stops14h 12m
Sat 9/127:03 am -
1 stop9h 23m
Deal found 8/1![American Airlines logo]()
$382
This Delta deal was found by Cheapflights users on 8/1. 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 8/2112:36 pm -
1 stop9h 49m
Tue 8/2511:29 am -
1 stop10h 45m
Deal found 8/1![Delta logo]()
$332
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 9/297:24 pm -
1 stop7h 45m
Wed 9/307:12 am -
1 stop8h 27m
Deal found 7/31![Alaska Airlines logo]()
$371
This Southwest deal was found by Cheapflights users on 8/4. 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 9/291:55 pm -
1 stop7h 15m
Wed 9/302:10 pm -
2 stops11h 20m
Deal found 8/4![Southwest logo]()
$377
This United Airlines deal was found by Cheapflights users on 8/3. 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 9/1212:30 pm -
1 stop6h 53m
Sat 9/196:00 am -
1 stop7h 26m
Deal found 8/3![United Airlines logo]()
$382
This Delta deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/281:00 pm -
1 stop8h 17m
Wed 9/211:29 am -
1 stop10h 45m
Deal found 8/4![Delta logo]()
$332
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 10/134:20 pm -
1 stop11h 52m
Tue 10/207:51 am -
2 stops15h 29m
Deal found 7/30![Alaska Airlines logo]()
$383
This United Airlines deal was found by Cheapflights users on 8/4. 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.
Sat 10/1712:26 pm -
1 stop7h 20m
Sat 10/315:08 pm -
1 stop7h 43m
Deal found 8/4![United Airlines logo]()
$391
This American Airlines deal was found by Cheapflights users on 8/4. 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 8/195:20 am -
2 stops13h 36m
Sun 8/237:16 am -
1 stop9h 21m
Deal found 8/4![American Airlines logo]()
$434
This Alaska Airlines deal was found by Cheapflights users on 8/3. 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.
Sun 9/67:24 pm -
1 stop7h 45m
Wed 9/167:12 am -
1 stop8h 27m
Deal found 8/3![Alaska Airlines logo]()
$384
This Southwest deal was found by Cheapflights users on 8/4. 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.
Fri 8/286:30 am -
2 stops12h 40m
Wed 9/22:45 pm -
2 stops11h 10m
Deal found 8/4![Southwest logo]()
$423
This Delta deal was found by Cheapflights users on 8/1. 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.
Wed 9/91:06 pm -
1 stop8h 47m
Mon 9/1411:44 am -
1 stop8h 55m
Deal found 8/1![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 8/4. 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.
Fri 8/2812:24 pm -
2 stops9h 35m
Sun 9/69:29 am -
2 stops14h 08m
Deal found 8/4![United Airlines logo]()
$410
This Southwest deal was found by Cheapflights users on 7/31. 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 9/17:30 am -
2 stops11h 20m
Tue 9/83:05 pm -
2 stops10h 55m
Deal found 7/31![Southwest logo]()
$438
This Alaska Airlines deal was found by Cheapflights users on 8/1. 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 10/184:41 pm -
1 stop11h 45m
Wed 10/217:03 am -
1 stop8h 51m
Deal found 8/1![Alaska Airlines logo]()
$402
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/135:00 am -
1 stop10h 46m
Thu 9/1710:47 am -
2 stops12h 34m
Deal found 7/30![American Airlines logo]()
$500
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Sun 9/610:31 am -
2 stops8h 52m
Sat 9/126:00 am -
2 stops9h 35m
Deal found 7/30![United Airlines logo]()
$414
This Delta deal was found by Cheapflights users on 7/31. 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.
Thu 8/2012:36 pm -
1 stop9h 49m
Thu 8/277:45 am -
1 stop10h 34m
Deal found 7/31![Delta logo]()
$403
This Alaska Airlines deal was found by Cheapflights users on 8/2. 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.
Mon 10/56:04 pm -
1 stop11h 22m
Sat 10/109:03 am -
1 stop11h 14m
Deal found 8/2![Alaska Airlines logo]()
$413
This American Airlines deal was found by Cheapflights users on 8/4. 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.
Sat 10/176:30 am -
2 stops13h 06m
Sat 10/2411:28 am -
2 stops12h 15m
Deal found 8/4![American Airlines logo]()
$510
Last-minute flights from Idaho to New HampshireDiscover last-minute flight deals from Idaho to New Hampshire. Data last updated August 4, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to New Hampshire. Data last updated August 4, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1412:12 pm -
1 stop7h 54m
Sun 8/237:10 am -
1 stop9h 19m
Deal found 7/30![American Airlines logo]()
$307
This Delta deal was found by Cheapflights users on 8/3. 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.
Mon 8/177:54 pm -
1 stop8h 41m
Tue 8/254:05 pm -
1 stop10h 54m
Deal found 8/3![Delta logo]()
$307
This American Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:40 am -
1 stop11h 02m
Thu 8/271:02 pm -
1 stop10h 40m
Deal found 8/4![American Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 8/2. 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.
Mon 8/247:28 pm -
1 stop10h 07m
Thu 8/277:45 am -
1 stop9h 33m
Deal found 8/2![Delta logo]()
$267
This Delta deal was found by Cheapflights users on 8/3. 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.
Mon 8/247:54 pm -
1 stop8h 41m
Sun 8/304:05 pm -
1 stop10h 54m
Deal found 8/3![Delta logo]()
$289
This Delta deal was found by Cheapflights users on 7/31. 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.
Tue 8/2512:23 pm -
1 stop9h 54m
Wed 9/25:30 am -
1 stop9h 19m
Deal found 7/31![Delta logo]()
$309
This American Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:40 am -
1 stop11h 02m
Sun 9/68:27 am -
1 stop8h 10m
Deal found 8/4![American Airlines logo]()
$312
This United Airlines deal was found by Cheapflights users on 8/3. 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.
Wed 8/262:44 pm -
1 stop7h 10m
Sun 8/305:45 am -
2 stops9h 53m
Deal found 8/3![United Airlines logo]()
$293
This Southwest deal was found by Cheapflights users on 8/2. 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 8/2712:20 pm -
1 stop9h 05m
Mon 8/315:40 am -
1 stop7h 35m
Deal found 8/2![Southwest logo]()
$322
This American Airlines deal was found by Cheapflights users on 8/4. 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.
Fri 8/2812:12 pm -
1 stop7h 54m
Sun 9/67:10 am -
1 stop9h 19m
Deal found 8/4![American Airlines logo]()
$290
This United Airlines deal was found by Cheapflights users on 7/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2912:24 pm -
1 stop7h 34m
Mon 8/317:45 am -
1 stop9h 46m
Deal found 7/31![United Airlines logo]()
$300
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Wed 9/212:24 pm -
1 stop9h 10m
Wed 9/96:00 am -
1 stop7h 26m
Deal found 7/30![United Airlines logo]()
$323
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 August 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 August 4, 2026.
This Southwest deal was found by Cheapflights users on 8/3. 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.
Thu 8/2712:20 pm -
1 stop9h 05m
Deal found 8/3![Southwest logo]()
$139
This Delta deal was found by Cheapflights users on 8/3. 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 8/251:00 pm -
1 stop8h 17m
Deal found 8/3![Delta logo]()
$144
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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.
Mon 9/218:25 pm -
1 stop7h 44m
Deal found 7/30![Alaska Airlines logo]()
$162
This Delta deal was found by Cheapflights users on 7/31. 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.
Tue 8/187:05 am -
1 stop9h 38m
Deal found 7/31![Delta logo]()
$164
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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.
Fri 10/167:37 pm -
1 stop31h 44m
Deal found 7/31![Alaska Airlines logo]()
$167
This American Airlines deal was found by Cheapflights users on 8/1. 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.
Wed 9/212:12 pm -
1 stop9h 28m
Deal found 8/1![American Airlines logo]()
$172
This Alaska Airlines deal was found by Cheapflights users on 8/3. 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.
Thu 10/222:06 pm -
1 stop7h 53m
Deal found 8/3![Alaska Airlines logo]()
$174
This American Airlines deal was found by Cheapflights users on 8/2. 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 9/55:40 am -
1 stop11h 02m
Deal found 8/2![American Airlines logo]()
$174
This Delta deal was found by Cheapflights users on 7/30. 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.
Sat 9/192:50 pm -
1 stop7h 09m
Deal found 7/30![Delta logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/212:50 pm -
2 stops19h 17m
Deal found 7/30![Frontier logo]()
$177
This United Airlines deal was found by Cheapflights users on 8/1. 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 8/1512:24 pm -
1 stop9h 10m
Deal found 8/1![United Airlines logo]()
$179
This Southwest deal was found by Cheapflights users on 8/3. 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.
Sun 9/67:55 am -
1 stop12h 55m
Deal found 8/3![Southwest logo]()
$179
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 August 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $267 (Delta) |
One-way from | $139 (Southwest) |
Popular in | April |
Cheapest in | December |
Average price | $426 |
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 August 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
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Mon 8/24
7:54 pm-7:35 am
1 stop8h 41m
Boston Logan Intl
Sun 8/30
4:05 pm-11:59 pm
1 stop10h 54m
$307
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Tue 8/18
1:00 pm-12:17 am
1 stop8h 17m
Boston Logan Intl
Thu 8/27
11:20 am-7:14 pm
1 stop10h 54m
$307
BoiseBoston
BOI - BOS
BOIBOS
Boise Air Term. Gowen Fld
Mon 8/24
7:28 pm-7:35 am
1 stop10h 07m
Boston Logan Intl
Thu 9/24
4:00 pm-11:58 pm
1 stop9h 58m
$313
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Fri 8/28
1:37 pm-11:54 pm
1 stop7h 17m
Boston Logan Intl
Wed 9/2
12:41 pm-8:46 pm
2 stops11h 05m
$327
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Fri 8/21
12:36 pm-1:25 am
1 stop9h 49m
Boston Logan Intl
Tue 8/25
11:29 am-7:14 pm
1 stop10h 45m
$332
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Fri 8/28
1:00 pm-12:17 am
1 stop8h 17m
Boston Logan Intl
Wed 9/2
11:29 am-7:14 pm
1 stop10h 45m
$332
BoiseBoston
BOI - BOS
BOIBOS
Boise Air Term. Gowen Fld
Fri 10/16
7:37 pm-5:21 am
1 stop31h 44m
Boston Logan Intl
Sat 10/24
7:03 am-3:23 pm
1 stop10h 20m
$341
BoiseBoston
BOI - BOS
BOIBOS
Boise Air Term. Gowen Fld
Tue 12/8
6:00 am-4:46 pm
1 stop8h 46m
Boston Logan Intl
Wed 12/9
7:08 am-4:11 pm
1 stop11h 03m
$347
BoiseBoston
BOI - BOS
BOIBOS
Boise Air Term. Gowen Fld
Mon 11/16
5:45 am-4:50 pm
2 stops9h 05m
Boston Logan Intl
Thu 11/19
4:40 pm-10:30 pm
1 stop7h 50m
$348
BoiseBoston
BOI - BOS
BOIBOS
Boise Air Term. Gowen Fld
Fri 8/14
2:44 pm-11:54 pm
1 stop7h 10m
Boston Logan Intl
Tue 8/18
2:28 pm-10:40 pm
2 stops10h 12m
$362
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.
GEG-BOS
BOI-BOS
IDA-BOS
GEG-MHT
BOI-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
GEG-BOS
BOI-BOS
IDA-BOS
GEG-MHT
No data available for this route at this time. Please check back soon.
Related info for your journey
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