$148+ Cheap flights from Massachusetts 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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BOI
Apr 17 — Apr 241
Round-trip
1 adult, Economy
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Cheapest flights from Massachusetts to IdahoExplore the most affordable flight options available from Massachusetts to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 18, 2026.
Explore the most affordable flight options available from Massachusetts to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 18, 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 5/55:35 am
BOS
- GEG
1 stop7h 40m
Southwest
Sat 5/91:10 pm
GEG
- BOS
1 stop7h 40m
Southwest
Deal found 3/13![Southwest logo]()
$297
This Delta deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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 4/146:45 am
BOS
- BOI
1 stop8h 22m
Delta
Wed 4/225:34 am
BOI
- BOS
1 stop6h 25m
Delta
Deal found 3/17![Delta logo]()
$313
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.
Tue 4/75:35 am
BOS
- BOI
1 stop7h 20m
Southwest
Tue 4/143:15 pm
BOI
- BOS
1 stop6h 50m
Southwest
Deal found 3/14![Southwest logo]()
$315
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 4/147:15 am
BOS
- BOI
1 stop10h 14m
Alaska Airlines
Wed 4/1511:58 am
BOI
- BOS
1 stop10h 01m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$317
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/145:35 am
BOS
- BOI
1 stop7h 20m
Southwest
Tue 4/286:00 am
BOI
- BOS
2 stops10h 35m
Southwest
Deal found 3/15![Southwest logo]()
$318
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 5/56:00 am
BOS
- GEG
2 stops11h 19m
American Airlines
Sat 5/96:34 am
GEG
- BOS
2 stops11h 27m
American Airlines
Deal found 3/13![American Airlines logo]()
$320
This Delta deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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 4/136:10 am
BOS
- BOI
1 stop10h 53m
Delta
Tue 4/2111:35 pm
BOI
- BOS
1 stop7h 59m
Delta
Deal found 3/17![Delta logo]()
$323
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/133:18 pm
BOS
- BOI
1 stop9h 36m
American Airlines
Tue 5/191:41 pm
BOI
- BOS
1 stop8h 23m
American Airlines
Deal found 3/14![American Airlines logo]()
$324
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 4/143:18 pm
BOS
- BOI
1 stop9h 20m
American Airlines
Tue 4/281:29 pm
BOI
- BOS
1 stop8h 56m
American Airlines
Deal found 3/13![American Airlines logo]()
$327
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:20 am
BOS
- BOI
2 stops11h 05m
Southwest
Tue 4/213:15 pm
BOI
- BOS
1 stop6h 50m
Southwest
Deal found 3/15![Southwest logo]()
$328
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.
Wed 4/157:15 am
BOS
- BOI
1 stop10h 14m
Alaska Airlines
Wed 4/2912:15 pm
BOI
- BOS
1 stop9h 44m
Alaska Airlines
Deal found 3/13![Alaska Airlines logo]()
$333
This American Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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 8/256:30 am
BDL
- JAC
1 stop10h 33m
American Airlines
Wed 9/23:30 pm
JAC
- BDL
1 stop6h 29m
American Airlines
Deal found 3/17![American Airlines logo]()
$351
Best flights from Massachusetts to IdahoDiscover carefully curated flight deals from Massachusetts to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 18, 2026.
Discover carefully curated flight deals from Massachusetts to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 18, 2026.
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.
Sat 5/25:15 am
BOS
- BOI
1 stop7h 10m
Southwest
Tue 5/53:15 pm
BOI
- BOS
1 stop6h 50m
Southwest
Deal found 3/14![Southwest logo]()
$313
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 4/147:15 am
BOS
- BOI
1 stop10h 14m
Alaska Airlines
Wed 4/1511:58 am
BOI
- BOS
1 stop10h 01m
Alaska Airlines
Deal found 3/13![Alaska Airlines logo]()
$317
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 4/76:00 am
BDL
- GEG
2 stops12h 15m
United Airlines
Wed 4/151:46 pm
GEG
- BDL
1 stop7h 07m
United Airlines
Deal found 3/12![United Airlines logo]()
$364
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.
Tue 5/56:00 am
BDL
- JAC
2 stops12h 13m
Delta
Tue 5/1211:35 am
JAC
- BDL
2 stops10h 00m
Delta
Deal found 3/12![Delta logo]()
$382
This American Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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 6/27:20 am
BDL
- JAC
2 stops14h 04m
American Airlines
Tue 6/911:47 am
JAC
- BDL
1 stop9h 01m
American Airlines
Deal found 3/17![American Airlines logo]()
$411
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:00 am
BOS
- BOI
1 stop10h 33m
Alaska Airlines
Tue 4/2812:15 pm
BOI
- BOS
1 stop9h 44m
Alaska Airlines
Deal found 3/16![Alaska Airlines logo]()
$352
This United Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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 5/284:43 pm
ALB
- GEG
1 stop8h 47m
United Airlines
Tue 6/21:41 pm
GEG
- ALB
1 stop6h 49m
United Airlines
Deal found 3/17![United Airlines logo]()
$387
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 5/132:25 pm
BOS
- BOI
2 stops11h 05m
Southwest
Tue 5/196:00 am
BOI
- BOS
2 stops10h 35m
Southwest
Deal found 3/16![Southwest logo]()
$395
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 5/23:00 pm
BDL
- BOI
1 stop8h 01m
Delta
Sat 5/98:45 am
BOI
- BDL
2 stops12h 50m
Delta
Deal found 3/16![Delta logo]()
$404
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 6/27:00 am
BDL
- IDA
1 stop8h 38m
American Airlines
Tue 6/912:44 pm
IDA
- BDL
1 stop8h 04m
American Airlines
Deal found 3/15![American Airlines logo]()
$419
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 5/262:25 pm
BOS
- BOI
2 stops11h 05m
Southwest
Sat 5/302:50 pm
BOI
- BOS
1 stop7h 00m
Southwest
Deal found 3/12![Southwest logo]()
$402
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 4/63:05 pm
BOS
- GEG
1 stop9h 06m
United Airlines
Mon 4/131:46 pm
GEG
- BOS
1 stop7h 13m
United Airlines
Deal found 3/12![United Airlines logo]()
$405
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 5/26:00 am
BDL
- BOI
2 stops13h 21m
Delta
Tue 5/58:30 am
BOI
- BDL
2 stops13h 29m
Delta
Deal found 3/16![Delta logo]()
$409
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.
Mon 4/137:15 am
BOS
- BOI
1 stop10h 14m
Alaska Airlines
Fri 5/112:15 pm
BOI
- BOS
1 stop9h 44m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$414
This American Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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 9/212:34 pm
BDL
- IDA
1 stop10h 48m
American Airlines
Tue 9/812:46 pm
IDA
- BDL
1 stop9h 13m
American Airlines
Deal found 3/17![American Airlines logo]()
$428
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.
Sat 5/161:50 pm
BOS
- BOI
2 stops11h 00m
Southwest
Tue 5/193:15 pm
BOI
- BOS
1 stop6h 50m
Southwest
Deal found 3/14![Southwest logo]()
$406
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/23:55 pm
BOS
- BOI
1 stop9h 58m
Delta
Sun 6/77:30 pm
BOI
- BOS
1 stop9h 05m
Delta
Deal found 3/15![Delta logo]()
$412
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.
Sat 6/68:05 am
BOS
- GEG
1 stop16h 40m
Alaska Airlines
Sat 6/138:12 am
GEG
- BOS
1 stop18h 31m
Alaska Airlines
Deal found 3/14![Alaska Airlines logo]()
$427
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.
Tue 4/1410:05 am
BOS
- BOI
2 stops13h 17m
United Airlines
Wed 4/159:26 am
BOI
- BOS
1 stop10h 02m
United Airlines
Deal found 3/15![United Airlines logo]()
$438
This Southwest deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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 5/282:55 pm
ALB
- GEG
2 stops12h 35m
Southwest
Tue 6/26:30 am
GEG
- ALB
2 stops12h 35m
Southwest
Deal found 3/17![Southwest logo]()
$409
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.
Wed 4/156:15 am
BOS
- JAC
1 stop7h 59m
Delta
Mon 4/201:00 pm
JAC
- BOS
1 stop8h 57m
Delta
Deal found 3/16![Delta logo]()
$419
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 5/276:07 am
BDL
- IDA
1 stop8h 07m
American Airlines
Tue 6/212:44 pm
IDA
- BDL
1 stop8h 04m
American Airlines
Deal found 3/15![American Airlines logo]()
$489
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.
Fri 4/36:10 pm
BOS
- GEG
1 stop8h 49m
Alaska Airlines
Wed 4/87:31 pm
GEG
- BOS
1 stop7h 22m
Alaska Airlines
Deal found 3/14![Alaska Airlines logo]()
$457
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1412:50 pm
BDL
- GEG
2 stops11h 45m
Southwest
Tue 4/217:00 am
GEG
- BDL
2 stops11h 05m
Southwest
Deal found 3/15![Southwest logo]()
$419
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 5/296:09 am
BDL
- JAC
1 stop7h 26m
United Airlines
Sat 6/68:00 am
JAC
- BDL
2 stops13h 44m
United Airlines
Deal found 3/12![United Airlines logo]()
$463
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.
Tue 5/55:35 am
BOS
- JAC
2 stops12h 38m
Delta
Tue 5/1211:35 am
JAC
- BOS
2 stops10h 19m
Delta
Deal found 3/16![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.
Thu 6/256:00 am
ALB
- GEG
1 stop10h 14m
American Airlines
Tue 6/302:08 pm
GEG
- ALB
1 stop7h 03m
American Airlines
Deal found 3/13![American Airlines logo]()
$498
This Southwest deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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 5/235:15 am
BOS
- GEG
1 stop7h 50m
Southwest
Sat 6/132:20 pm
GEG
- BOS
1 stop7h 15m
Southwest
Deal found 3/17![Southwest logo]()
$424
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 5/266:10 am
ALB
- JAC
2 stops13h 44m
United Airlines
Sat 5/301:42 pm
JAC
- ALB
1 stop7h 48m
United Airlines
Deal found 3/12![United Airlines logo]()
$479
This Delta deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:00 am
ALB
- GEG
2 stops9h 01m
Delta
Wed 5/205:37 pm
GEG
- ALB
2 stops15h 14m
Delta
Deal found 3/17![Delta logo]()
$436
Last-minute flights from Massachusetts to IdahoDiscover last-minute flight deals from Massachusetts to Idaho. Data last updated March 18, 2026 and is based on user searches.
Discover last-minute flight deals from Massachusetts to Idaho. Data last updated March 18, 2026 and is based on user searches.
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.
Fri 4/37:09 am
BOS
- GEG
1 stop8h 31m
United Airlines
Wed 4/81:46 pm
GEG
- BOS
1 stop7h 13m
United Airlines
Deal found 3/13![United Airlines logo]()
$362
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.
Sat 4/45:15 pm
BOS
- BOI
1 stop8h 00m
Delta
Sat 4/116:00 am
BOI
- BOS
1 stop6h 20m
Delta
Deal found 3/14![Delta logo]()
$337
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.
Tue 4/75:35 am
BOS
- BOI
1 stop7h 20m
Southwest
Tue 4/143:15 pm
BOI
- BOS
1 stop6h 50m
Southwest
Deal found 3/14![Southwest logo]()
$315
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 4/76:00 am
BDL
- GEG
2 stops12h 15m
United Airlines
Wed 4/151:46 pm
GEG
- BDL
1 stop7h 07m
United Airlines
Deal found 3/12![United Airlines logo]()
$364
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 4/146:30 am
BOS
- BOI
1 stop8h 19m
American Airlines
Tue 4/281:53 pm
BOI
- BOS
1 stop8h 11m
American Airlines
Deal found 3/13![American Airlines logo]()
$313
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 4/147:15 am
BOS
- BOI
1 stop10h 14m
Alaska Airlines
Wed 4/1511:58 am
BOI
- BOS
1 stop10h 01m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$317
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/145:35 am
BOS
- BOI
1 stop7h 20m
Southwest
Tue 4/286:00 am
BOI
- BOS
2 stops10h 35m
Southwest
Deal found 3/15![Southwest logo]()
$318
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:20 am
BOS
- BOI
2 stops11h 05m
Southwest
Tue 4/213:15 pm
BOI
- BOS
1 stop6h 50m
Southwest
Deal found 3/15![Southwest logo]()
$328
This Delta 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 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
Mon 4/276:16 pm
BOI
- BOS
1 stop9h 44m
Delta
Deal found 3/13![Delta logo]()
$343
This Delta deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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 4/145:50 am
BOS
- GEG
1 stop10h 14m
Delta
Sat 4/185:10 pm
GEG
- BOS
1 stop9h 50m
Delta
Deal found 3/17![Delta logo]()
$369
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.
Wed 4/157:15 am
BOS
- BOI
1 stop10h 14m
Alaska Airlines
Wed 4/2912:15 pm
BOI
- BOS
1 stop9h 44m
Alaska Airlines
Deal found 3/13![Alaska Airlines logo]()
$333
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:00 am
BOS
- GEG
1 stop9h 23m
Alaska Airlines
Wed 4/295:00 am
GEG
- BOS
1 stop9h 42m
Alaska Airlines
Deal found 3/15![Alaska Airlines logo]()
$357
One-way flights from Massachusetts to IdahoSearch for one-way flight options from Massachusetts to Idaho. Find affordable one-way fares based on user searches. Data last updated March 18, 2026.
Search for one-way flight options from Massachusetts to Idaho. Find affordable one-way fares based on user searches. Data last updated March 18, 2026.
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 4/256:30 am
BOS
- GEG
1 stop9h 02m
American Airlines
Deal found 3/16![American Airlines logo]()
$148
This American Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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 5/96:00 am
BOS
- BOI
1 stop9h 03m
American Airlines
Deal found 3/17![American Airlines logo]()
$157
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:15 am
BOS
- BOI
1 stop10h 14m
Alaska Airlines
Deal found 3/16![Alaska Airlines logo]()
$159
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 4/142:25 pm
BOS
- BOI
2 stops9h 45m
Southwest
Deal found 3/16![Southwest logo]()
$162
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.
Sat 4/255:30 am
BOS
- BOI
1 stop11h 54m
United Airlines
Deal found 3/15![United Airlines logo]()
$167
This United Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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 4/252:37 pm
BOS
- GEG
2 stops10h 34m
United Airlines
Deal found 3/17![United Airlines logo]()
$174
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/114:27 pm
BOS
- BOI
1 stop9h 31m
Alaska Airlines
Deal found 3/16![Alaska Airlines logo]()
$175
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.
Wed 4/153:10 pm
BOS
- GEG
1 stop8h 55m
Delta
Deal found 3/16![Delta logo]()
$176
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/208:44 am
BOS
- BOI
2 stops29h 46m
Frontier
Deal found 3/14![Frontier logo]()
$179
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.
Tue 5/266:00 am
BOS
- BOI
1 stop11h 20m
American Airlines
Deal found 3/12![American Airlines logo]()
$189
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/159:18 am
BOS
- BOI
2 stops27h 50m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$195
This United Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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 5/279:30 am
BOS
- GEG
1 stop8h 42m
United Airlines
Deal found 3/17![United Airlines logo]()
$196
Find flight deals from Massachusetts to Idaho
Keep the following information in mind while searching for Massachusetts to Idaho flight deals. Data was last updated March 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $297 (Southwest) |
One-way from | $148 (American Airlines) |
Popular in | December |
Cheapest in | January |
Average price | $539 |
Cheapflights Fare Finder
Customize your flight search to find flights from Massachusetts 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 18, 2026.
Use the filters below to find and compare flights from Massachusetts to Idaho that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Sat 5/2
5:15 am-10:25 am
1 stop7h 10m
Boise Air Term. Gowen Fld
Tue 5/5
3:15 pm-12:05 am
1 stop6h 50m
$313
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Tue 4/14
7:15 am-3:29 pm
1 stop10h 14m
Boise Air Term. Gowen Fld
Wed 4/15
11:58 am-11:59 pm
1 stop10h 01m
$317
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Thu 4/23
7:00 am-3:33 pm
1 stop10h 33m
Boise Air Term. Gowen Fld
Tue 4/28
12:15 pm-11:59 pm
1 stop9h 44m
$352
HartfordSpokane
BDL - GEG
BDLGEG
Hartford Bradley Intl
Tue 4/7
6:00 am-3:15 pm
2 stops12h 15m
Spokane
Wed 4/15
1:46 pm-11:53 pm
1 stop7h 07m
$364
HartfordJackson
BDL - JAC
BDLJAC
Hartford Bradley Intl
Tue 5/5
6:00 am-4:13 pm
2 stops12h 13m
Jackson Hole
Tue 5/12
11:35 am-11:35 pm
2 stops10h 00m
$382
AlbanySpokane
ALB - GEG
ALBGEG
Albany Intl
Thu 5/28
4:43 pm-10:30 pm
1 stop8h 47m
Spokane
Tue 6/2
1:41 pm-11:30 pm
1 stop6h 49m
$387
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Wed 5/13
2:25 pm-11:30 pm
2 stops11h 05m
Boise Air Term. Gowen Fld
Tue 5/19
6:00 am-6:35 pm
2 stops10h 35m
$395
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Tue 5/26
2:25 pm-11:30 pm
2 stops11h 05m
Boise Air Term. Gowen Fld
Sat 5/30
2:50 pm-11:50 pm
1 stop7h 00m
$402
HartfordBoise
BDL - BOI
BDLBOI
Hartford Bradley Intl
Sat 5/2
3:00 pm-9:01 pm
1 stop8h 01m
Boise Air Term. Gowen Fld
Sat 5/9
8:45 am-11:35 pm
2 stops12h 50m
$404
BostonSpokane
BOS - GEG
BOSGEG
Boston Logan Intl
Mon 4/6
3:05 pm-9:11 pm
1 stop9h 06m
Spokane
Mon 4/13
1:46 pm-11:59 pm
1 stop7h 13m
$405
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Massachusetts to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from Massachusetts with our price prediction graph.
BOS-BOI
BOS-GEG
BDL-GEG
BDL-JAC
ALB-GEG
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 Massachusetts to Idaho
USMA-USID
BOS-BOI
BOS-GEG
BDL-GEG
BDL-JAC
What is the cheapest month to book a flight from Massachusetts to Idaho?
Currently, April is the cheapest month in which you can book a flight from Massachusetts to Idaho (average of $204). Flying from Massachusetts to Idaho in March is currently the most expensive (average of $354). 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 18, 2026.
Peruse reviews from past customers who have flown with Southwest,Alaska Airlines, andDelta from Massachusetts to Idaho to help guide your decision. 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
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Related info for your journey
Find useful and relevant information for your journey from Massachusetts 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 Massachusetts 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 Massachusetts to Idaho by cabin class
Find flights from Massachusetts to Idaho, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Massachusetts and Idaho flights
Browse other Massachusetts and Idaho flight options. Last updated on March 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Idaho
Find the right flight back to Massachusetts after your stay in Idaho
Massachusetts to Idaho flights
Consider these flights traveling from Massachusetts to Idaho.
Top 5 airlines flying from Massachusetts to Idaho
Discover the top 5 airlines that operate flights from Massachusetts 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 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$236 | Average$542 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$264 | Average$483 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$282 | Average$579 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$296 | Average$562 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$370 | Average$466 | FlexibilityNo cancel fee | On-time63% |