$143+ 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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BOI
Jul 20 — Jul 271
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 June 20, 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 June 20, 2026.
This Delta deal was found by Cheapflights users on 6/16. 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.
Fri 9/118:15 am
BOS
- BOI
1 stop7h 29m
Delta
Mon 9/1411:35 pm
BOI
- BOS
1 stop9h 33m
Delta
Deal found 6/16![Delta logo]()
$285
This Delta deal was found by Cheapflights users on 6/16. 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.
Thu 6/253:40 pm
BOS
- BOI
1 stop8h 48m
Delta
Sun 6/287:53 pm
BOI
- BOS
1 stop9h 42m
Delta
Deal found 6/16![Delta logo]()
$290
This Delta deal was found by Cheapflights users on 6/16. 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.
Thu 8/276:45 pm
BOS
- GEG
1 stop8h 08m
Delta
Wed 9/212:36 pm
GEG
- BOS
1 stop9h 49m
Delta
Deal found 6/16![Delta logo]()
$293
This Southwest deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:05 am
BOS
- BOI
1 stop12h 40m
Southwest
Sat 9/191:50 pm
BOI
- BOS
1 stop14h 10m
Southwest
Deal found 6/18![Southwest logo]()
$296
This Delta deal was found by Cheapflights users on 6/17. 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.
Wed 11/412:45 pm
BOS
- GEG
1 stop11h 52m
Delta
Sun 11/85:40 pm
GEG
- BOS
1 stop9h 53m
Delta
Deal found 6/17![Delta logo]()
$298
This United Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 7/46:00 am
BOS
- BOI
1 stop7h 32m
United Airlines
Mon 7/137:05 pm
BOI
- BOS
1 stop10h 56m
United Airlines
Deal found 6/19![United Airlines logo]()
$299
This Southwest deal was found by Cheapflights users on 6/17. 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.
Mon 8/1711:15 am
BOS
- BOI
1 stop11h 25m
Southwest
Wed 8/192:40 pm
BOI
- BOS
1 stop7h 25m
Southwest
Deal found 6/17![Southwest logo]()
$300
This Delta deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:05 am
BOS
- BOI
1 stop9h 17m
Delta
Tue 10/132:35 pm
BOI
- BOS
1 stop7h 45m
Delta
Deal found 6/18![Delta logo]()
$303
This Southwest deal was found by Cheapflights users on 6/17. 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 9/1912:10 pm
BOS
- BOI
2 stops11h 20m
Southwest
Sat 9/261:50 pm
BOI
- BOS
1 stop14h 10m
Southwest
Deal found 6/17![Southwest logo]()
$311
This Delta deal was found by Cheapflights users on 6/16. 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 6/247:45 am
BOS
- BOI
1 stop9h 27m
Delta
Mon 6/295:30 am
BOI
- BOS
1 stop9h 15m
Delta
Deal found 6/16![Delta logo]()
$312
This American Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 8/187:10 am
BOS
- BOI
1 stop9h 10m
American Airlines
Sat 8/222:58 pm
BOI
- BOS
1 stop7h 00m
American Airlines
Deal found 6/19![American Airlines logo]()
$313
This Alaska Airlines deal was found by Cheapflights users on 6/15. 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 12/85:06 pm
BOS
- BOI
1 stop8h 53m
Alaska Airlines
Wed 12/96:00 am
BOI
- BOS
1 stop8h 46m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$315
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 June 20, 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 June 20, 2026.
This Delta deal was found by Cheapflights users on 6/15. 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.
Fri 9/117:05 am
BOS
- BOI
1 stop8h 39m
Delta
Tue 9/156:40 pm
BOI
- BOS
1 stop9h 50m
Delta
Deal found 6/15![Delta logo]()
$285
This Southwest deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:05 am
BOS
- BOI
1 stop12h 40m
Southwest
Sat 9/191:50 pm
BOI
- BOS
1 stop14h 10m
Southwest
Deal found 6/18![Southwest logo]()
$296
This Alaska Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 9/117:12 am
BOS
- BOI
1 stop10h 18m
Alaska Airlines
Tue 9/157:48 pm
BOI
- BOS
1 stop9h 51m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$327
This American Airlines deal was found by Cheapflights users on 6/16. 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 9/2310:42 am
BDL
- GEG
2 stops12h 43m
American Airlines
Sat 9/266:00 am
GEG
- BDL
1 stop8h 30m
American Airlines
Deal found 6/16![American Airlines logo]()
$373
This United Airlines deal was found by Cheapflights users on 6/15. 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 8/186:00 am
BOS
- BOI
1 stop7h 28m
United Airlines
Sat 8/2210:36 am
BOI
- BOS
2 stops10h 58m
United Airlines
Deal found 6/15![United Airlines logo]()
$400
This Delta deal was found by Cheapflights users on 6/17. 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.
Sat 9/198:15 am
BOS
- BOI
1 stop7h 23m
Delta
Sat 9/264:00 pm
BOI
- BOS
1 stop11h 33m
Delta
Deal found 6/17![Delta logo]()
$285
This Southwest deal was found by Cheapflights users on 6/15. 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.
Thu 8/1311:15 am
BOS
- BOI
1 stop11h 25m
Southwest
Wed 8/192:40 pm
BOI
- BOS
1 stop7h 25m
Southwest
Deal found 6/15![Southwest logo]()
$327
This Delta deal was found by Cheapflights users on 6/16. 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.
Fri 7/105:55 pm
BOS
- BOI
1 stop7h 51m
Delta
Sun 7/127:28 pm
BOI
- BOS
1 stop10h 07m
Delta
Deal found 6/16![Delta logo]()
$312
This Southwest deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:15 am
BOS
- BOI
1 stop7h 25m
Southwest
Fri 10/2311:45 am
BOI
- BOS
1 stop7h 20m
Southwest
Deal found 6/19![Southwest logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 9/187:59 pm
BOS
- BOI
1 stop15h 57m
Alaska Airlines
Sat 9/261:31 pm
BOI
- BOS
1 stop14h 38m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$367
This American Airlines deal was found by Cheapflights users on 6/15. 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.
Sat 9/266:00 am
BOS
- IDA
1 stop9h 28m
American Airlines
Sat 10/31:58 pm
IDA
- BOS
1 stop8h 01m
American Airlines
Deal found 6/15![American Airlines logo]()
$396
This Delta deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:51 am
BOS
- GEG
1 stop10h 06m
Delta
Tue 8/256:45 am
GEG
- BOS
1 stop9h 30m
Delta
Deal found 6/18![Delta logo]()
$337
This United Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1712:38 pm
BDL
- JAC
1 stop8h 03m
United Airlines
Sat 10/247:50 am
JAC
- BDL
1 stop8h 03m
United Airlines
Deal found 6/18![United Airlines logo]()
$429
This Southwest deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:15 am
BOS
- BOI
1 stop7h 25m
Southwest
Tue 10/1311:20 am
BOI
- BOS
2 stops10h 30m
Southwest
Deal found 6/18![Southwest logo]()
$355
This Delta deal was found by Cheapflights users on 6/17. 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 9/87:00 am
BDL
- GEG
1 stop8h 58m
Delta
Wed 9/92:05 pm
GEG
- BDL
1 stop6h 40m
Delta
Deal found 6/17![Delta logo]()
$355
This United Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 12/38:00 am
ALB
- IDA
1 stop7h 35m
United Airlines
Sun 12/62:35 pm
IDA
- ALB
1 stop6h 55m
United Airlines
Deal found 6/19![United Airlines logo]()
$449
This Southwest deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 7/45:50 am
BOS
- BOI
2 stops11h 30m
Southwest
Mon 7/134:25 pm
BOI
- BOS
1 stop6h 40m
Southwest
Deal found 6/18![Southwest logo]()
$375
This Alaska Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 9/57:12 am
BOS
- JAC
1 stop30h 03m
Alaska Airlines
Sat 9/122:10 pm
JAC
- BOS
1 stop13h 59m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$468
This Delta deal was found by Cheapflights users on 6/15. 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.
Wed 10/146:30 pm
BDL
- BOI
1 stop7h 25m
Delta
Wed 10/2811:30 pm
BOI
- BDL
1 stop9h 16m
Delta
Deal found 6/15![Delta logo]()
$355
This United Airlines deal was found by Cheapflights users on 6/16. 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.
Tue 11/173:25 pm
BDL
- JAC
1 stop7h 37m
United Airlines
Wed 11/182:40 pm
JAC
- BDL
1 stop6h 33m
United Airlines
Deal found 6/16![United Airlines logo]()
$451
This American Airlines deal was found by Cheapflights users on 6/17. 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 7/116:04 am
BDL
- BOI
1 stop10h 42m
American Airlines
Sat 7/256:33 pm
BOI
- BDL
2 stops12h 55m
American Airlines
Deal found 6/17![American Airlines logo]()
$513
This Alaska Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 9/127:59 pm
BOS
- JAC
1 stop17h 23m
Alaska Airlines
Sat 9/262:10 pm
JAC
- BOS
1 stop13h 59m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$468
This Southwest deal was found by Cheapflights users on 6/15. 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.
Wed 9/25:45 pm
BDL
- GEG
1 stop7h 40m
Southwest
Wed 9/166:15 am
GEG
- BDL
2 stops11h 55m
Southwest
Deal found 6/15![Southwest logo]()
$392
This Delta deal was found by Cheapflights users on 6/17. 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.
Fri 9/45:51 am
BOS
- BOI
1 stop9h 51m
Delta
Tue 9/83:00 pm
BOI
- BOS
1 stop6h 59m
Delta
Deal found 6/17![Delta logo]()
$372
This United Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 7/99:40 am
BOS
- GEG
1 stop8h 31m
United Airlines
Mon 7/1312:37 pm
GEG
- BOS
1 stop9h 34m
United Airlines
Deal found 6/18![United Airlines logo]()
$455
This American Airlines deal was found by Cheapflights users on 6/16. 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 9/26:00 am
BDL
- IDA
1 stop9h 50m
American Airlines
Tue 9/81:43 pm
IDA
- BDL
1 stop7h 11m
American Airlines
Deal found 6/16![American Airlines logo]()
$523
This Southwest deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/133:55 pm
BOS
- GEG
1 stop9h 45m
Southwest
Mon 8/1712:20 pm
GEG
- BOS
1 stop9h 05m
Southwest
Deal found 6/19![Southwest logo]()
$394
This United Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:10 am
BDL
- JAC
2 stops9h 19m
United Airlines
Wed 11/42:40 pm
JAC
- BDL
1 stop7h 02m
United Airlines
Deal found 6/19![United Airlines logo]()
$456
This Delta deal was found by Cheapflights users on 6/16. 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 8/156:50 am
BDL
- GEG
1 stop9h 08m
Delta
Mon 8/1710:56 pm
GEG
- BDL
1 stop8h 29m
Delta
Deal found 6/16![Delta logo]()
$381
This United Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 10/286:00 am
BDL
- IDA
2 stops9h 31m
United Airlines
Sat 10/3110:35 am
IDA
- BDL
2 stops11h 24m
United Airlines
Deal found 6/19![United Airlines logo]()
$459
Last-minute flights from Massachusetts to IdahoDiscover last-minute flight deals from Massachusetts to Idaho. Data last updated June 20, 2026 and is based on user searches.
Discover last-minute flight deals from Massachusetts to Idaho. Data last updated June 20, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/15. 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.
Mon 6/227:45 am
BOS
- BOI
1 stop11h 45m
Delta
Mon 6/295:30 am
BOI
- BOS
1 stop9h 15m
Delta
Deal found 6/15![Delta logo]()
$285
This Delta deal was found by Cheapflights users on 6/16. 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 6/247:45 am
BOS
- BOI
1 stop9h 27m
Delta
Mon 6/295:30 am
BOI
- BOS
1 stop9h 15m
Delta
Deal found 6/16![Delta logo]()
$312
This Delta deal was found by Cheapflights users on 6/16. 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.
Thu 6/253:40 pm
BOS
- BOI
1 stop8h 48m
Delta
Sun 6/287:53 pm
BOI
- BOS
1 stop9h 42m
Delta
Deal found 6/16![Delta logo]()
$290
This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 6/2711:25 am
BOS
- BOI
1 stop10h 10m
Delta
Fri 7/311:45 pm
BOI
- BOS
1 stop8h 00m
Delta
Deal found 6/20![Delta logo]()
$340
This United Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 7/46:00 am
BOS
- BOI
1 stop7h 32m
United Airlines
Mon 7/137:05 pm
BOI
- BOS
1 stop10h 56m
United Airlines
Deal found 6/19![United Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 7/411:15 am
BOS
- BOI
1 stop7h 41m
Delta
Mon 7/134:00 pm
BOI
- BOS
1 stop11h 30m
Delta
Deal found 6/18![Delta logo]()
$341
This Delta deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 7/73:40 pm
BOS
- BOI
1 stop10h 11m
Delta
Tue 7/142:50 pm
BOI
- BOS
1 stop7h 05m
Delta
Deal found 6/19![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 7/95:55 pm
BOS
- BOI
1 stop7h 51m
Delta
Fri 7/102:03 pm
BOI
- BOS
1 stop7h 56m
Delta
Deal found 6/18![Delta logo]()
$343
This American Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/105:07 pm
BOS
- GEG
1 stop8h 59m
American Airlines
Mon 7/136:30 am
GEG
- BOS
1 stop11h 30m
American Airlines
Deal found 6/19![American Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 7/127:53 am
BOS
- GEG
1 stop10h 54m
Delta
Wed 7/152:26 pm
GEG
- BOS
1 stop6h 29m
Delta
Deal found 6/18![Delta logo]()
$355
This Delta deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 7/287:53 am
BOS
- BOI
1 stop11h 31m
Delta
Tue 8/116:45 pm
BOI
- BOS
1 stop9h 45m
Delta
Deal found 6/18![Delta logo]()
$317
This American Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 7/287:00 am
BOS
- BOI
1 stop9h 20m
American Airlines
Sat 8/16:33 pm
BOI
- BOS
1 stop9h 12m
American Airlines
Deal found 6/18![American Airlines logo]()
$354
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 June 20, 2026.
Search for one-way flight options from Massachusetts to Idaho. Find affordable one-way fares based on user searches. Data last updated June 20, 2026.
This Delta deal was found by Cheapflights users on 6/16. 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.
Thu 7/95:55 pm
BOS
- BOI
1 stop7h 51m
Delta
Deal found 6/16![Delta logo]()
$143
This Delta deal was found by Cheapflights users on 6/15. 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.
Wed 6/2411:30 am
BOS
- GEG
1 stop8h 27m
Delta
Deal found 6/15![Delta logo]()
$147
This Southwest deal was found by Cheapflights users on 6/15. 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 8/119:05 am
BOS
- BOI
1 stop12h 40m
Southwest
Deal found 6/15![Southwest logo]()
$148
This Delta deal was found by Cheapflights users on 6/15. 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.
Sun 8/305:51 am
BOS
- GEG
1 stop10h 06m
Delta
Deal found 6/15![Delta logo]()
$152
This Delta deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 7/227:53 am
BOS
- BOI
1 stop9h 18m
Delta
Deal found 6/18![Delta logo]()
$152
This Southwest deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 8/262:45 pm
BOS
- BOI
2 stops10h 25m
Southwest
Deal found 6/19![Southwest logo]()
$162
This Southwest deal was found by Cheapflights users on 6/16. 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 9/302:45 pm
BOS
- BOI
2 stops10h 25m
Southwest
Deal found 6/16![Southwest logo]()
$163
This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 7/217:53 am
BOS
- GEG
1 stop10h 54m
Delta
Deal found 6/20![Delta logo]()
$169
This Southwest deal was found by Cheapflights users on 6/15. 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.
Sat 10/175:05 am
BOS
- BOI
1 stop7h 45m
Southwest
Deal found 6/15![Southwest logo]()
$170
This Southwest deal was found by Cheapflights users on 6/16. 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 8/122:45 pm
BOS
- GEG
2 stops11h 10m
Southwest
Deal found 6/16![Southwest logo]()
$174
This Delta deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/251:54 pm
BDL
- JAC
1 stop8h 17m
Delta
Deal found 6/18![Delta logo]()
$176
This deal was found by Cheapflights users on 6/17. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:55 pm
BDL
- BOI
1 stop6h 51m
Delta
Deal found 6/17![Delta logo]()
$178
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 June 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $285 (Delta) |
One-way from | $143 (Delta) |
Popular in | December |
Cheapest in | May |
Average price | $564 |
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 June 20, 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
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Fri 9/11
7:05 am-1:44 pm
1 stop8h 39m
Boise Air Term. Gowen Fld
Tue 9/15
6:40 pm-6:30 am
1 stop9h 50m
$285
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Sat 9/19
8:15 am-1:38 pm
1 stop7h 23m
Boise Air Term. Gowen Fld
Sat 9/26
4:00 pm-5:33 am
1 stop11h 33m
$285
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Tue 9/15
9:05 am-7:45 pm
1 stop12h 40m
Boise Air Term. Gowen Fld
Sat 9/19
1:50 pm-6:00 am
1 stop14h 10m
$296
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Fri 7/10
5:55 pm-11:46 pm
1 stop7h 51m
Boise Air Term. Gowen Fld
Sun 7/12
7:28 pm-7:35 am
1 stop10h 07m
$312
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Fri 9/11
7:12 am-3:30 pm
1 stop10h 18m
Boise Air Term. Gowen Fld
Tue 9/15
7:48 pm-7:39 am
1 stop9h 51m
$327
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Thu 8/13
11:15 am-8:40 pm
1 stop11h 25m
Boise Air Term. Gowen Fld
Wed 8/19
2:40 pm-12:05 am
1 stop7h 25m
$327
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Wed 10/21
5:15 am-10:40 am
1 stop7h 25m
Boise Air Term. Gowen Fld
Fri 10/23
11:45 am-9:05 pm
1 stop7h 20m
$327
BostonSpokane
BOS - GEG
BOSGEG
Boston Logan Intl
Mon 8/17
5:51 am-12:57 pm
1 stop10h 06m
Spokane
Tue 8/25
6:45 am-7:15 pm
1 stop9h 30m
$337
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Tue 10/6
5:15 am-10:40 am
1 stop7h 25m
Boise Air Term. Gowen Fld
Tue 10/13
11:20 am-11:50 pm
2 stops10h 30m
$355
HartfordSpokane
BDL - GEG
BDLGEG
Hartford Bradley Intl
Tue 9/8
7:00 am-12:58 pm
1 stop8h 58m
Spokane
Wed 9/9
2:05 pm-11:45 pm
1 stop6h 40m
$355
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
BDL-GEG
BOS-IDA
BOS-GEG
BDL-JAC
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
BDL-GEG
BOS-IDA
BOS-GEG
What is the cheapest month to book a flight from Massachusetts to Idaho?
Currently, August is the cheapest month in which you can book a flight from Massachusetts to Idaho (average of $142). Flying from Massachusetts to Idaho in June is currently the most expensive (average of $306). 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.
How much does it cost to fly round-trip from Massachusetts to Idaho?
How far ahead should I book a flight from Massachusetts to Idaho?
Booking 59 days in advance of your planned departure date is, on average, the best time to get cheap flights from Massachusetts to Idaho. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 June 20, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Southwest, 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.
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Food
7.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Food
7.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Food
7.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Food
7.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Food
7.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Food
7.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
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.
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.
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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 June 20, 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 June 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$272 | Average$530 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$281 | Average$506 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$293 | Average$588 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$306 | Average$480 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$369 | Average$577 | FlexibilityNo cancel fee | On-time69% |