$149+ Cheap flights from Idaho to Boston (BOS)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BOS
Apr 16 — Apr 231
Round-trip
1 adult, Economy
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Find cheap flights from Idaho to Boston with Cheapflights
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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 BostonExplore the most affordable flight options available from Idaho to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.
Explore the most affordable flight options available from Idaho to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.
This Southwest deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” 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 4/211:45 pm
GEG
- BOS
1 stop7h 20m
Southwest
Tue 4/285:35 am
BOS
- GEG
1 stop7h 40m
Southwest
Deal found 3/13![Southwest logo]()
$297
This Southwest deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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 4/151:45 pm
GEG
- BOS
1 stop7h 20m
Southwest
Sat 5/21:50 pm
BOS
- GEG
2 stops10h 25m
Southwest
Deal found 3/14![Southwest logo]()
$302
This American Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/21:29 pm
BOI
- BOS
1 stop6h 59m
American Airlines
Sat 5/96:00 am
BOS
- BOI
1 stop9h 03m
American Airlines
Deal found 3/16![American Airlines logo]()
$311
This American Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:34 am
GEG
- BOS
2 stops11h 27m
American Airlines
Sat 5/164:24 pm
BOS
- GEG
1 stop9h 45m
American Airlines
Deal found 3/16![American Airlines logo]()
$316
This American Airlines deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/51:29 pm
BOI
- BOS
1 stop8h 56m
American Airlines
Tue 6/28:37 am
BOS
- BOI
1 stop7h 43m
American Airlines
Deal found 3/15![American Airlines logo]()
$323
This Alaska Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” 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 4/287:41 pm
GEG
- BOS
1 stop8h 31m
Alaska Airlines
Wed 4/294:33 pm
BOS
- GEG
1 stop9h 38m
Alaska Airlines
Deal found 3/13![Alaska Airlines logo]()
$327
This United Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:46 pm
GEG
- BOS
1 stop7h 13m
United Airlines
Wed 4/226:00 am
BOS
- GEG
2 stops12h 15m
United Airlines
Deal found 3/11![United Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/44:25 pm
BOI
- BOS
1 stop6h 35m
Southwest
Mon 6/84:25 pm
BOS
- BOI
1 stop9h 30m
Southwest
Deal found 3/13![Southwest logo]()
$333
This American Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/81:22 pm
GEG
- BOS
1 stop8h 03m
American Airlines
Wed 6/38:37 am
BOS
- GEG
1 stop7h 37m
American Airlines
Deal found 3/12![American Airlines logo]()
$333
This American Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:00 am
GEG
- BOS
2 stops10h 34m
American Airlines
Tue 5/56:00 am
BOS
- GEG
2 stops11h 19m
American Airlines
Deal found 3/13![American Airlines logo]()
$335
This American Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/211:22 pm
GEG
- BOS
1 stop8h 03m
American Airlines
Tue 4/288:03 am
BOS
- GEG
2 stops11h 52m
American Airlines
Deal found 3/13![American Airlines logo]()
$339
This Alaska Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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 4/145:50 am
BOI
- BOS
1 stop7h 37m
Alaska Airlines
Tue 4/144:27 pm
BOS
- BOI
1 stop9h 31m
Alaska Airlines
Deal found 3/14![Alaska Airlines logo]()
$343
Best flights from Idaho to BostonDiscover carefully curated flight deals from Idaho to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 17, 2026.
Discover carefully curated flight deals from Idaho to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 17, 2026.
This Southwest deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” 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 4/211:45 pm
GEG
- BOS
1 stop7h 20m
Southwest
Tue 4/282:25 pm
BOS
- GEG
2 stops11h 30m
Southwest
Deal found 3/13![Southwest logo]()
$302
This Alaska Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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 4/145:50 am
BOI
- BOS
1 stop7h 37m
Alaska Airlines
Tue 4/144:27 pm
BOS
- BOI
1 stop9h 31m
Alaska Airlines
Deal found 3/14![Alaska Airlines logo]()
$343
This United Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/281:46 pm
GEG
- BOS
1 stop7h 13m
United Airlines
Wed 4/296:00 am
BOS
- GEG
2 stops12h 15m
United Airlines
Deal found 3/11![United Airlines logo]()
$402
This Delta deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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 5/11:00 pm
JAC
- BOS
1 stop8h 57m
Delta
Sat 5/29:25 am
BOS
- JAC
2 stops11h 36m
Delta
Deal found 3/14![Delta logo]()
$424
This American Airlines deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:00 am
GEG
- BOS
2 stops10h 34m
American Airlines
Thu 4/306:30 am
BOS
- GEG
1 stop9h 02m
American Airlines
Deal found 3/15![American Airlines logo]()
$436
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/153:15 pm
BOI
- BOS
1 stop6h 50m
Southwest
Wed 4/225:35 am
BOS
- BOI
1 stop7h 20m
Southwest
Deal found 3/16![Southwest logo]()
$351
This Alaska Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:41 pm
GEG
- BOS
1 stop8h 31m
Alaska Airlines
Wed 4/294:33 pm
BOS
- GEG
1 stop9h 38m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/412:05 pm
BOI
- BOS
2 stops10h 55m
Southwest
Mon 6/84:25 pm
BOS
- BOI
1 stop9h 30m
Southwest
Deal found 3/13![Southwest logo]()
$378
This United Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/222:24 pm
SUN
- BOS
1 stop7h 35m
United Airlines
Tue 4/287:09 am
BOS
- SUN
1 stop8h 26m
United Airlines
Deal found 3/14![United Airlines logo]()
$420
This Delta deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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 4/281:00 pm
JAC
- BOS
2 stops8h 52m
Delta
Sat 5/29:25 am
BOS
- JAC
2 stops11h 36m
Delta
Deal found 3/14![Delta logo]()
$429
This American Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” 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 5/167:48 am
IDA
- BOS
2 stops14h 16m
American Airlines
Sat 5/236:36 pm
BOS
- IDA
1 stop21h 02m
American Airlines
Deal found 3/13![American Airlines logo]()
$438
This Alaska Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:42 pm
GEG
- BOS
1 stop7h 20m
Alaska Airlines
Tue 9/154:25 pm
BOS
- GEG
1 stop9h 32m
Alaska Airlines
Deal found 3/11![Alaska Airlines logo]()
$407
This Southwest deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:40 am
BOI
- BOS
2 stops9h 55m
Southwest
Mon 4/273:45 pm
BOS
- BOI
2 stops11h 00m
Southwest
Deal found 3/12![Southwest logo]()
$382
This United Airlines deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” 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 7/177:00 am
SUN
- BOS
2 stops12h 53m
United Airlines
Tue 7/2112:30 pm
BOS
- SUN
1 stop8h 28m
United Airlines
Deal found 3/15![United Airlines logo]()
$421
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/153:34 pm
SUN
- BOS
1 stop6h 23m
Delta
Thu 4/236:15 am
BOS
- SUN
1 stop7h 46m
Delta
Deal found 3/12![Delta logo]()
$430
This Alaska Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/212:46 pm
GEG
- BOS
1 stop8h 13m
Alaska Airlines
Fri 6/56:00 am
BOS
- GEG
1 stop8h 52m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$413
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/12:44 pm
BOI
- BOS
1 stop6h 58m
United Airlines
Thu 9/245:30 am
BOS
- BOI
1 stop11h 26m
United Airlines
Deal found 3/12![United Airlines logo]()
$421
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:00 am
BOI
- BOS
2 stops9h 10m
Southwest
Tue 5/122:25 pm
BOS
- BOI
2 stops11h 05m
Southwest
Deal found 3/16![Southwest logo]()
$405
This Alaska Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:42 pm
GEG
- BOS
1 stop7h 20m
Alaska Airlines
Fri 9/189:20 am
BOS
- GEG
1 stop9h 47m
Alaska Airlines
Deal found 3/11![Alaska Airlines logo]()
$417
This Delta deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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 4/271:00 pm
JAC
- BOS
1 stop8h 57m
Delta
Tue 4/288:59 pm
BOS
- JAC
2 stops17h 15m
Delta
Deal found 3/14![Delta logo]()
$480
This United Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/232:24 pm
SUN
- BOS
1 stop7h 35m
United Airlines
Tue 4/287:09 am
BOS
- SUN
1 stop8h 26m
United Airlines
Deal found 3/14![United Airlines logo]()
$449
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 9/51:50 pm
BOI
- BOS
1 stop14h 10m
Southwest
Wed 9/93:20 pm
BOS
- BOI
2 stops9h 50m
Southwest
Deal found 3/16![Southwest logo]()
$434
This Alaska Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:42 pm
GEG
- BOS
1 stop7h 20m
Alaska Airlines
Sun 9/206:32 pm
BOS
- GEG
1 stop8h 46m
Alaska Airlines
Deal found 3/11![Alaska Airlines logo]()
$442
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/272:35 pm
IDA
- BOS
1 stop7h 18m
United Airlines
Tue 3/317:09 am
BOS
- IDA
1 stop10h 30m
United Airlines
Deal found 3/12![United Airlines logo]()
$464
This Delta deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/11:10 pm
JAC
- BOS
1 stop8h 49m
Delta
Thu 4/95:50 am
BOS
- JAC
2 stops12h 57m
Delta
Deal found 3/11![Delta logo]()
$524
This Southwest deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:10 am
GEG
- BOS
2 stops10h 25m
Southwest
Thu 4/305:15 am
BOS
- GEG
1 stop7h 35m
Southwest
Deal found 3/12![Southwest logo]()
$434
This Alaska Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” 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 4/26:00 am
IDA
- BOS
1 stop9h 05m
Alaska Airlines
Mon 4/67:15 am
BOS
- IDA
1 stop11h 04m
Alaska Airlines
Deal found 3/13![Alaska Airlines logo]()
$444
This United Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” 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 5/162:31 pm
IDA
- BOS
1 stop7h 28m
United Airlines
Sat 5/237:41 am
BOS
- IDA
1 stop9h 53m
United Airlines
Deal found 3/13![United Airlines logo]()
$476
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:55 pm
IDA
- BOS
1 stop9h 15m
Delta
Mon 4/610:20 am
BOS
- IDA
1 stop9h 55m
Delta
Deal found 3/12![Delta logo]()
$527
This Southwest deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/234:20 pm
BOI
- BOS
1 stop6h 30m
Southwest
Tue 4/285:35 am
BOS
- BOI
1 stop7h 20m
Southwest
Deal found 3/12![Southwest logo]()
$436
Last-minute flights from Idaho to BostonDiscover last-minute flight deals from Idaho to Boston. Data last updated March 17, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Boston. Data last updated March 17, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/81:22 pm
GEG
- BOS
1 stop8h 03m
American Airlines
Wed 6/38:37 am
BOS
- GEG
1 stop7h 37m
American Airlines
Deal found 3/12![American Airlines logo]()
$333
This Alaska Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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 4/145:50 am
BOI
- BOS
1 stop7h 37m
Alaska Airlines
Tue 4/144:27 pm
BOS
- BOI
1 stop9h 31m
Alaska Airlines
Deal found 3/14![Alaska Airlines logo]()
$343
This Southwest deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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 4/151:45 pm
GEG
- BOS
1 stop7h 20m
Southwest
Sat 5/21:50 pm
BOS
- GEG
2 stops10h 25m
Southwest
Deal found 3/14![Southwest logo]()
$302
This United Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:46 pm
GEG
- BOS
1 stop7h 13m
United Airlines
Wed 4/226:00 am
BOS
- GEG
2 stops12h 15m
United Airlines
Deal found 3/11![United Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/153:15 pm
BOI
- BOS
1 stop6h 50m
Southwest
Wed 4/225:35 am
BOS
- BOI
1 stop7h 20m
Southwest
Deal found 3/16![Southwest logo]()
$351
This Southwest deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” 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 4/211:45 pm
GEG
- BOS
1 stop7h 20m
Southwest
Tue 4/285:35 am
BOS
- GEG
1 stop7h 40m
Southwest
Deal found 3/13![Southwest logo]()
$297
This American Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/211:22 pm
GEG
- BOS
1 stop8h 03m
American Airlines
Tue 4/288:03 am
BOS
- GEG
2 stops11h 52m
American Airlines
Deal found 3/13![American Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:10 am
GEG
- BOS
2 stops10h 25m
Southwest
Wed 4/295:35 am
BOS
- GEG
1 stop7h 40m
Southwest
Deal found 3/12![Southwest logo]()
$352
This Alaska Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” 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 4/287:41 pm
GEG
- BOS
1 stop8h 31m
Alaska Airlines
Wed 4/294:33 pm
BOS
- GEG
1 stop9h 38m
Alaska Airlines
Deal found 3/13![Alaska Airlines logo]()
$327
This Southwest deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/285:10 am
GEG
- BOS
2 stops10h 25m
Southwest
Sat 5/21:50 pm
BOS
- GEG
2 stops10h 25m
Southwest
Deal found 3/12![Southwest logo]()
$347
This American Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:00 am
GEG
- BOS
2 stops10h 34m
American Airlines
Tue 5/56:00 am
BOS
- GEG
2 stops11h 19m
American Airlines
Deal found 3/13![American Airlines logo]()
$335
This American Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:00 am
GEG
- BOS
2 stops10h 34m
American Airlines
Thu 5/74:24 pm
BOS
- GEG
1 stop9h 45m
American Airlines
Deal found 3/12![American Airlines logo]()
$345
One-way flights from Idaho to BostonSearch for one-way flight options from Idaho to Boston. Find affordable one-way fares based on user searches. Data last updated March 17, 2026.
Search for one-way flight options from Idaho to Boston. Find affordable one-way fares based on user searches. Data last updated March 17, 2026.
This American Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/61:22 pm
GEG
- BOS
1 stop8h 03m
American Airlines
Deal found 3/13![American Airlines logo]()
$149
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:03 pm
BOI
- BOS
1 stop9h 18m
United Airlines
Deal found 3/12![United Airlines logo]()
$157
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/1410:05 am
BOI
- BOS
2 stops10h 15m
Southwest
Deal found 3/16![Southwest logo]()
$162
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/292:10 pm
GEG
- BOS
1 stop6h 25m
Delta
Deal found 3/12![Delta logo]()
$166
This American Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/273:11 pm
BOI
- BOS
1 stop7h 04m
American Airlines
Deal found 3/16![American Airlines logo]()
$167
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/116:00 am
BOI
- BOS
1 stop6h 20m
Delta
Deal found 3/16![Delta logo]()
$169
This United Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/159:26 am
BOI
- BOS
2 stops12h 33m
United Airlines
Deal found 3/16![United Airlines logo]()
$172
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/136:16 pm
BOI
- BOS
1 stop9h 44m
Delta
Deal found 3/16![Delta logo]()
$177
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:05 pm
BOI
- BOS
1 stop10h 56m
United Airlines
Deal found 3/12![United Airlines logo]()
$179
This American Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/201:13 pm
GEG
- BOS
1 stop8h 12m
American Airlines
Deal found 3/13![American Airlines logo]()
$184
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/276:16 pm
BOI
- BOS
1 stop9h 44m
Delta
Deal found 3/16![Delta logo]()
$185
This American Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/201:22 pm
GEG
- BOS
1 stop8h 03m
American Airlines
Deal found 3/16![American Airlines logo]()
$187
Find flight deals from Idaho to Boston
Keep the following information in mind while searching for Idaho to Boston flight deals. Data was last updated March 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $297 (Southwest) |
One-way from | $149 (American Airlines) |
Popular in | March |
Cheapest in | December |
Average price | $509 |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho to Boston 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 17, 2026.
Use the filters below to find and compare flights from Idaho to Boston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Tue 4/21
1:45 pm-12:05 am
1 stop7h 20m
Boston Logan Intl
Tue 4/28
2:25 pm-10:55 pm
2 stops11h 30m
$302
BoiseBoston
BOI - BOS
BOIBOS
Boise Air Term. Gowen Fld
Tue 4/14
5:50 am-3:27 pm
1 stop7h 37m
Boston Logan Intl
Tue 4/14
4:27 pm-11:58 pm
1 stop9h 31m
$343
BoiseBoston
BOI - BOS
BOIBOS
Boise Air Term. Gowen Fld
Wed 4/15
3:15 pm-12:05 am
1 stop6h 50m
Boston Logan Intl
Wed 4/22
5:35 am-10:55 am
1 stop7h 20m
$351
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Tue 4/28
7:41 pm-7:12 am
1 stop8h 31m
Boston Logan Intl
Wed 4/29
4:33 pm-11:11 pm
1 stop9h 38m
$377
BoiseBoston
BOI - BOS
BOIBOS
Boise Air Term. Gowen Fld
Thu 6/4
12:05 pm-1:00 am
2 stops10h 55m
Boston Logan Intl
Mon 6/8
4:25 pm-11:55 pm
1 stop9h 30m
$378
BoiseBoston
BOI - BOS
BOIBOS
Boise Air Term. Gowen Fld
Wed 4/22
6:40 am-6:35 pm
2 stops9h 55m
Boston Logan Intl
Mon 4/27
3:45 pm-12:45 am
2 stops11h 00m
$382
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Tue 4/28
1:46 pm-11:59 pm
1 stop7h 13m
Boston Logan Intl
Wed 4/29
6:00 am-3:15 pm
2 stops12h 15m
$402
BoiseBoston
BOI - BOS
BOIBOS
Boise Air Term. Gowen Fld
Thu 5/7
6:00 am-5:10 pm
2 stops9h 10m
Boston Logan Intl
Tue 5/12
2:25 pm-11:30 pm
2 stops11h 05m
$405
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Sat 9/12
7:42 pm-6:02 am
1 stop7h 20m
Boston Logan Intl
Tue 9/15
4:25 pm-10:57 pm
1 stop9h 32m
$407
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Tue 6/2
12:46 pm-11:59 pm
1 stop8h 13m
Boston Logan Intl
Fri 6/5
6:00 am-11:52 am
1 stop8h 52m
$413
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Idaho to Boston
Have a flexible travel schedule? Discover the best time to fly to Boston from Idaho with our price prediction graph.
GEG-BOS
BOI-BOS
JAC-BOS
SUN-BOS
IDA-BOS
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 Boston
USID-BOS
GEG-BOS
BOI-BOS
JAC-BOS
SUN-BOS
What is the cheapest month to book a flight from Idaho to Boston?
Currently, April is the cheapest month in which you can book a flight from Idaho to Boston (average of $163). Flying from Idaho to Boston in January is currently the most expensive (average of $311). 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.
Related info for your journey
Find useful and relevant information for your journey from Idaho to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Boston?
Book flights to Boston if you plan to visit one of these locationsMedford
Cambridge
Concord
Hampton Beach
Watertown
Seekonk
Brockton
Seabrook
Cranston
Chelsea
Smithfield
Lincoln
Warwick
Peabody
Waltham
York Beach
Londonderry
Swansea
Old Orchard Beach
Quincy
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Boston flight routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for Idaho to Boston
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Boston
Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 17, 2026.
Complete your trip
Complete your trip to Boston by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Idaho to Boston by cabin class
Find flights from Idaho to Boston, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Idaho and Boston flights
Browse other Idaho and Boston flight options. Last updated on March 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Idaho to Boston flights
Consider these flights traveling from Idaho to Boston.
Top 5 airlines flying from Idaho to Boston
Discover the top 5 airlines that operate flights from Idaho to Boston. 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 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$194 | Average$504 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$228 | Average$536 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$263 | Average$606 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$306 | Average$496 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$365 | Average$477 | FlexibilityNo cancel fee | On-time63% |