$136+ Cheap flights from Boston (BOS) to Idaho
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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BOI
Apr 2 — Apr 91
1 adult, Economy
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Find cheap flights from Boston to Idaho with Cheapflights
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Cheapest flights from Boston to IdahoExplore the most affordable flight options available from Boston to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 3, 2026.
Explore the most affordable flight options available from Boston to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/29:00 am
BOS
- BOI
1 stop15h 57m
Hawaiian Airlines
Wed 4/88:20 am
BOI
- BOS
1 stop13h 39m
Hawaiian Airlines
Deal found 2/27![Hawaiian Airlines logo]()
$260
This Alaska Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:00 am
BOS
- BOI
1 stop8h 52m
Alaska Airlines
Wed 5/610:02 am
BOI
- BOS
1 stop11h 57m
Alaska Airlines
Deal found 2/26![Alaska Airlines logo]()
$269
This Delta deal was found by Cheapflights users on 3/2. 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 3/317:10 am
BOS
- GEG
1 stop8h 50m
Delta
Thu 4/91:40 pm
GEG
- BOS
1 stop14h 10m
Delta
Deal found 3/2![Delta logo]()
$283
This Delta deal was found by Cheapflights users on 3/1. 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.
Thu 4/27:10 am
BOS
- BOI
1 stop10h 53m
Delta
Wed 4/81:45 pm
BOI
- BOS
1 stop8h 14m
Delta
Deal found 3/1![Delta logo]()
$283
This Delta deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 4/1410:20 am
BOS
- BOI
2 stops13h 04m
Delta
Sat 5/25:40 am
BOI
- BOS
1 stop23h 15m
Delta
Deal found 2/28![Delta logo]()
$288
This Southwest deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 4/144:45 pm
BOS
- BOI
1 stop7h 25m
Southwest
Tue 4/213:15 pm
BOI
- BOS
1 stop6h 50m
Southwest
Deal found 2/27![Southwest logo]()
$293
This Delta deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 4/1410:20 am
BOS
- BOI
2 stops11h 40m
Delta
Mon 4/278:40 pm
BOI
- BOS
2 stops12h 06m
Delta
Deal found 2/28![Delta logo]()
$294
This Delta deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 8/196:00 am
BOS
- WYS
1 stop8h 21m
Delta
Wed 9/21:09 pm
WYS
- BOS
1 stop8h 48m
Delta
Deal found 2/27![Delta logo]()
$294
This Alaska Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/304:33 pm
BOS
- GEG
1 stop9h 38m
Alaska Airlines
Tue 5/55:00 am
GEG
- BOS
1 stop7h 33m
Alaska Airlines
Deal found 2/26![Alaska Airlines logo]()
$295
This Alaska Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/87:15 am
BOS
- BOI
1 stop8h 43m
Alaska Airlines
Sun 4/126:00 am
BOI
- BOS
1 stop22h 39m
Alaska Airlines
Deal found 2/26![Alaska Airlines logo]()
$296
This Delta deal was found by Cheapflights users on 3/2. 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 3/243:49 pm
BOS
- GEG
1 stop8h 48m
Delta
Tue 3/3110:40 pm
GEG
- BOS
1 stop8h 24m
Delta
Deal found 3/2![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:15 am
BOS
- JAC
1 stop7h 55m
Delta
Mon 4/61:10 pm
JAC
- BOS
1 stop8h 49m
Delta
Deal found 2/28![Delta logo]()
$297
Best flights from Boston to IdahoDiscover carefully curated flight deals from Boston to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 3, 2026.
Discover carefully curated flight deals from Boston to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 3, 2026.
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/87:10 am
BOS
- BOI
1 stop10h 53m
Delta
Sun 4/127:30 pm
BOI
- BOS
1 stop9h 20m
Delta
Deal found 2/26![Delta logo]()
$283
This Southwest deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 4/144:45 pm
BOS
- BOI
1 stop7h 25m
Southwest
Tue 4/213:15 pm
BOI
- BOS
1 stop6h 50m
Southwest
Deal found 2/27![Southwest logo]()
$293
This Alaska Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/304:33 pm
BOS
- GEG
1 stop9h 38m
Alaska Airlines
Tue 5/55:00 am
GEG
- BOS
1 stop7h 33m
Alaska Airlines
Deal found 2/26![Alaska Airlines logo]()
$295
This United Airlines deal was found by Cheapflights users on 3/2. 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.
Sat 5/26:00 am
BOS
- JAC
2 stops11h 18m
United Airlines
Tue 5/52:30 pm
JAC
- BOS
1 stop7h 29m
United Airlines
Deal found 3/2![United Airlines logo]()
$314
This American Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 5/1412:22 pm
BOS
- IDA
2 stops13h 17m
American Airlines
Thu 5/2112:36 pm
IDA
- BOS
1 stop9h 23m
American Airlines
Deal found 2/26![American Airlines logo]()
$560
This Delta deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 8/196:00 am
BOS
- WYS
1 stop8h 21m
Delta
Wed 9/21:09 pm
WYS
- BOS
1 stop8h 48m
Delta
Deal found 2/27![Delta logo]()
$294
This Alaska Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:00 am
BOS
- BOI
1 stop10h 33m
Alaska Airlines
Wed 5/67:43 am
BOI
- BOS
2 stops14h 16m
Alaska Airlines
Deal found 2/26![Alaska Airlines logo]()
$295
This Delta deal was found by Cheapflights users on 3/2. 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 3/245:35 am
BOS
- JAC
1 stop9h 55m
Delta
Fri 4/31:10 pm
JAC
- BOS
1 stop8h 49m
Delta
Deal found 3/2![Delta logo]()
$297
This United Airlines deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/195:45 am
BOS
- JAC
1 stop10h 35m
United Airlines
Tue 3/242:33 pm
JAC
- BOS
1 stop7h 20m
United Airlines
Deal found 2/27![United Airlines logo]()
$328
This Delta deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/316:15 am
BOS
- JAC
1 stop7h 55m
Delta
Mon 4/61:10 pm
JAC
- BOS
1 stop8h 49m
Delta
Deal found 2/28![Delta logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 3/3. 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.
Wed 4/87:15 am
BOS
- BOI
1 stop10h 14m
Alaska Airlines
Sun 4/126:00 am
BOI
- BOS
1 stop22h 39m
Alaska Airlines
Deal found 3/3![Alaska Airlines logo]()
$328
This Southwest deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/224:45 pm
BOS
- BOI
1 stop7h 25m
Southwest
Mon 4/2712:05 pm
BOI
- BOS
2 stops9h 05m
Southwest
Deal found 2/28![Southwest logo]()
$400
This United Airlines deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 6/27:45 am
BOS
- GEG
1 stop7h 52m
United Airlines
Tue 6/307:00 am
GEG
- BOS
2 stops11h 53m
United Airlines
Deal found 2/27![United Airlines logo]()
$372
This Southwest deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 5/274:45 pm
BOS
- GEG
1 stop7h 50m
Southwest
Sun 5/312:30 pm
GEG
- BOS
1 stop7h 30m
Southwest
Deal found 2/28![Southwest logo]()
$402
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/267:10 am
BOS
- BOI
1 stop10h 50m
Delta
Sat 3/285:52 am
BOI
- BOS
1 stop7h 51m
Delta
Deal found 2/26![Delta logo]()
$333
This Alaska Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 6/18:05 am
BOS
- GEG
1 stop16h 40m
Alaska Airlines
Mon 6/86:00 am
GEG
- BOS
1 stop9h 11m
Alaska Airlines
Deal found 2/26![Alaska Airlines logo]()
$387
This Southwest deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 5/105:15 am
BOS
- BOI
1 stop7h 10m
Southwest
Sun 5/172:15 pm
BOI
- BOS
1 stop8h 45m
Southwest
Deal found 2/26![Southwest logo]()
$434
This Delta deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/196:15 am
BOS
- SUN
1 stop10h 34m
Delta
Fri 3/2712:40 pm
SUN
- BOS
1 stop9h 19m
Delta
Deal found 2/28![Delta logo]()
$365
This Alaska Airlines deal was found by Cheapflights users on 3/3. 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.
Fri 5/14:33 pm
BOS
- BOI
1 stop22h 02m
Alaska Airlines
Wed 5/132:38 pm
BOI
- BOS
2 stops13h 06m
Alaska Airlines
Deal found 3/3![Alaska Airlines logo]()
$403
This United Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:30 am
BOS
- IDA
1 stop7h 59m
United Airlines
Tue 8/255:00 am
IDA
- BOS
2 stops9h 26m
United Airlines
Deal found 2/26![United Airlines logo]()
$446
This Southwest deal was found by Cheapflights users on 3/1. 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 5/192:25 pm
BOS
- BOI
2 stops11h 05m
Southwest
Sun 5/243:35 pm
BOI
- BOS
1 stop6h 45m
Southwest
Deal found 3/1![Southwest logo]()
$442
This Delta deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 5/111:00 am
BOS
- BOI
1 stop11h 00m
Delta
Wed 5/136:00 pm
BOI
- BOS
2 stops10h 20m
Delta
Deal found 2/27![Delta logo]()
$368
This Alaska Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 6/156:10 am
BOS
- GEG
1 stop8h 38m
Alaska Airlines
Sat 6/208:12 am
GEG
- BOS
1 stop18h 31m
Alaska Airlines
Deal found 2/26![Alaska Airlines logo]()
$421
This United Airlines deal was found by Cheapflights users on 3/1. 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.
Fri 5/296:00 am
BOS
- JAC
3 stops13h 54m
United Airlines
Tue 6/28:00 am
JAC
- BOS
2 stops13h 16m
United Airlines
Deal found 3/1![United Airlines logo]()
$475
This Delta deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 8/77:10 am
BOS
- GEG
1 stop8h 57m
Delta
Mon 8/107:07 pm
GEG
- BOS
1 stop8h 02m
Delta
Deal found 2/28![Delta logo]()
$387
This Southwest deal was found by Cheapflights users on 3/2. 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.
Mon 3/233:10 pm
BOS
- GEG
2 stops13h 15m
Southwest
Sun 3/295:50 pm
GEG
- BOS
2 stops11h 20m
Southwest
Deal found 3/2![Southwest logo]()
$484
This Alaska Airlines deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 6/97:20 am
BOS
- SUN
1 stop28h 18m
Alaska Airlines
Fri 6/1210:20 am
SUN
- BOS
1 stop11h 39m
Alaska Airlines
Deal found 2/27![Alaska Airlines logo]()
$440
This United Airlines deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 5/207:09 am
BOS
- JAC
1 stop8h 12m
United Airlines
Sun 5/247:30 am
JAC
- BOS
1 stop7h 59m
United Airlines
Deal found 2/27![United Airlines logo]()
$499
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/176:40 am
BOS
- JAC
1 stop8h 50m
Delta
Tue 3/242:41 pm
JAC
- BOS
2 stops17h 11m
Delta
Deal found 2/26![Delta logo]()
$417
This United Airlines deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/237:05 am
BOS
- JAC
2 stops10h 11m
United Airlines
Tue 3/3112:20 pm
JAC
- BOS
2 stops9h 39m
United Airlines
Deal found 2/27![United Airlines logo]()
$511
Last-minute flights from Boston to IdahoDiscover last-minute flight deals from Boston to Idaho. Data last updated March 3, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Idaho. Data last updated March 3, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 3/2. 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 3/243:49 pm
BOS
- GEG
1 stop8h 48m
Delta
Tue 3/3110:40 pm
GEG
- BOS
1 stop8h 24m
Delta
Deal found 3/2![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 3/2. 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 3/317:10 am
BOS
- GEG
1 stop8h 50m
Delta
Thu 4/91:40 pm
GEG
- BOS
1 stop14h 10m
Delta
Deal found 3/2![Delta logo]()
$283
This Delta deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/110:20 am
BOS
- JAC
1 stop8h 27m
Delta
Tue 4/71:10 pm
JAC
- BOS
1 stop8h 49m
Delta
Deal found 2/28![Delta logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/29:00 am
BOS
- BOI
1 stop15h 57m
Hawaiian Airlines
Wed 4/88:20 am
BOI
- BOS
1 stop13h 39m
Hawaiian Airlines
Deal found 2/27![Hawaiian Airlines logo]()
$260
This Delta deal was found by Cheapflights users on 3/1. 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.
Thu 4/27:10 am
BOS
- BOI
1 stop10h 53m
Delta
Wed 4/81:45 pm
BOI
- BOS
1 stop8h 14m
Delta
Deal found 3/1![Delta logo]()
$283
This Alaska Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/87:15 am
BOS
- BOI
1 stop8h 43m
Alaska Airlines
Sun 4/126:00 am
BOI
- BOS
1 stop22h 39m
Alaska Airlines
Deal found 2/26![Alaska Airlines logo]()
$296
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:05 am
BOS
- BOI
1 stop8h 21m
Delta
Tue 4/2812:52 pm
BOI
- BOS
1 stop9h 05m
Delta
Deal found 2/26![Delta logo]()
$269
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 4/147:37 am
BOS
- BOI
1 stop10h 37m
Delta
Sat 5/28:59 am
BOI
- BOS
1 stop19h 56m
Delta
Deal found 2/26![Delta logo]()
$276
This Southwest deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 4/144:45 pm
BOS
- BOI
1 stop7h 25m
Southwest
Tue 4/213:15 pm
BOI
- BOS
1 stop6h 50m
Southwest
Deal found 2/27![Southwest logo]()
$293
This Delta deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 4/1410:20 am
BOS
- BOI
2 stops11h 40m
Delta
Mon 4/278:40 pm
BOI
- BOS
2 stops12h 06m
Delta
Deal found 2/28![Delta logo]()
$294
This Alaska Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:00 am
BOS
- BOI
1 stop10h 33m
Alaska Airlines
Wed 5/67:43 am
BOI
- BOS
2 stops14h 16m
Alaska Airlines
Deal found 2/26![Alaska Airlines logo]()
$295
This Alaska Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/304:33 pm
BOS
- GEG
1 stop9h 38m
Alaska Airlines
Tue 5/55:00 am
GEG
- BOS
1 stop7h 33m
Alaska Airlines
Deal found 2/26![Alaska Airlines logo]()
$295
One-way flights from Boston to IdahoSearch for one-way flight options from Boston to Idaho. Find affordable one-way fares based on user searches. Data last updated March 3, 2026.
Search for one-way flight options from Boston to Idaho. Find affordable one-way fares based on user searches. Data last updated March 3, 2026.
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/85:50 am
BOS
- GEG
1 stop10h 20m
Delta
Deal found 2/26![Delta logo]()
$136
This American Airlines deal was found by Cheapflights users on 3/2. 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 5/96:30 am
BOS
- BOI
1 stop8h 19m
American Airlines
Deal found 3/2![American Airlines logo]()
$147
This Delta deal was found by Cheapflights users on 3/1. 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 3/318:05 am
BOS
- GEG
1 stop8h 05m
Delta
Deal found 3/1![Delta logo]()
$149
This United Airlines deal was found by Cheapflights users on 3/2. 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 3/3110:17 am
BOS
- GEG
2 stops13h 54m
United Airlines
Deal found 3/2![United Airlines logo]()
$154
This Alaska Airlines deal was found by Cheapflights users on 3/2. 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.
Thu 3/267:15 am
BOS
- JAC
1 stop30h 22m
Alaska Airlines
Deal found 3/2![Alaska Airlines logo]()
$154
This Expedia deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/227:15 am
BOS
- JAC
1 stop30h 22m
Alaska Airlines
Deal found 2/26![Alaska Airlines logo]()
$160
This Orbitz deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:00 am
BOS
- IDA
1 stop9h 17m
Alaska Airlines
Deal found 2/27![Alaska Airlines logo]()
$165
This American Airlines deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 3/306:52 am
BOS
- GEG
1 stop7h 52m
American Airlines
Deal found 2/27![American Airlines logo]()
$169
This Expedia deal was found by Cheapflights users on 3/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:15 am
BOS
- BOI
1 stop10h 14m
Alaska Airlines
Deal found 3/1![Alaska Airlines logo]()
$169
This Delta deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 5/36:15 am
BOS
- SUN
1 stop7h 46m
Delta
Deal found 2/27![Delta logo]()
$171
This American Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 3/227:50 pm
BOS
- JAC
2 stops18h 28m
American Airlines
Deal found 2/26![American Airlines logo]()
$175
This Alaska Airlines deal was found by Cheapflights users on 3/2. 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.
Sat 6/67:20 am
BOS
- BOI
1 stop8h 50m
Alaska Airlines
Deal found 3/2![Alaska Airlines logo]()
$182
Find flight deals from Boston to Idaho
Keep the following information in mind while searching for Boston to Idaho flight deals. Data was last updated March 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $260 (Kiwi.com) |
One-way from | $136 (Delta) |
Popular in | December |
Cheapest in | January |
Average price | $504 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to Idaho that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 3, 2026.
Use the filters below to find and compare flights from Boston to Idaho that are best for you.
Fly from
Fly to
Route
Depart
Return
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Wed 4/8
7:10 am-4:03 pm
1 stop10h 53m
Boise Air Term. Gowen Fld
Sun 4/12
7:30 pm-6:50 am
1 stop9h 20m
$283
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Tue 4/14
4:45 pm-10:10 pm
1 stop7h 25m
Boise Air Term. Gowen Fld
Tue 4/21
3:15 pm-12:05 am
1 stop6h 50m
$293
BostonWest Yellowstone
BOS - WYS
BOSWYS
Boston Logan Intl
Wed 8/19
6:00 am-12:21 pm
1 stop8h 21m
West Yellowstone
Wed 9/2
1:09 pm-11:57 pm
1 stop8h 48m
$294
BostonSpokane
BOS - GEG
BOSGEG
Boston Logan Intl
Thu 4/30
4:33 pm-11:11 pm
1 stop9h 38m
Spokane
Tue 5/5
5:00 am-3:33 pm
1 stop7h 33m
$295
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Wed 4/29
7:00 am-3:33 pm
1 stop10h 33m
Boise Air Term. Gowen Fld
Wed 5/6
7:43 am-11:59 pm
2 stops14h 16m
$295
BostonJackson
BOS - JAC
BOSJAC
Boston Logan Intl
Tue 3/24
5:35 am-1:30 pm
1 stop9h 55m
Jackson Hole
Fri 4/3
1:10 pm-11:59 pm
1 stop8h 49m
$297
BostonJackson
BOS - JAC
BOSJAC
Boston Logan Intl
Tue 3/31
6:15 am-12:10 pm
1 stop7h 55m
Jackson Hole
Mon 4/6
1:10 pm-11:59 pm
1 stop8h 49m
$297
BostonJackson
BOS - JAC
BOSJAC
Boston Logan Intl
Sat 5/2
6:00 am-3:18 pm
2 stops11h 18m
Jackson Hole
Tue 5/5
2:30 pm-11:59 pm
1 stop7h 29m
$314
BostonJackson
BOS - JAC
BOSJAC
Boston Logan Intl
Thu 3/19
5:45 am-2:20 pm
1 stop10h 35m
Jackson Hole
Tue 3/24
2:33 pm-11:53 pm
1 stop7h 20m
$328
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Wed 4/8
7:15 am-3:29 pm
1 stop10h 14m
Boise Air Term. Gowen Fld
Sun 4/12
6:00 am-6:39 am
1 stop22h 39m
$328
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Boston to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from Boston with our price prediction graph.
BOS-GEG
BOS-JAC
BOS-SUN
BOS-BOI
BOS-IDA
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 Boston to Idaho
BOS-USID
BOS-GEG
BOS-JAC
BOS-SUN
BOS-BOI
What is the cheapest month to book a flight from Boston to Idaho?
Currently, April is the cheapest month in which you can book a flight from Boston to Idaho (average of $204). Flying from Boston to Idaho in June is currently the most expensive (average of $319). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Idaho
Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated March 3, 2026.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Boston to Idaho. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Food
7.1
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
8.0
Food
7.1
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
8.0
Food
7.1
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
8.0
Food
7.1
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
8.0
Food
7.1
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
8.0
Food
7.1
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Related info for your journey
Find useful and relevant information for your journey from Boston to Idaho. 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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Alternative routes for Boston to Idaho
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Idaho by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boston to Idaho by cabin class
Find flights from Boston to Idaho, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and Idaho flights
Browse other Boston and Idaho flight options. Last updated on March 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Boston to Idaho flights
Consider these flights traveling from Boston to Idaho.
Top 5 airlines flying from Boston to Idaho
Discover the top 5 airlines that operate flights from Boston to Idaho. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$236 | Average$483 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$264 | Average$488 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$282 | Average$592 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$296 | Average$560 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$370 | Average$466 | FlexibilityNo cancel fee | On-time63% |