$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
Jun 2 — Jun 91
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 May 3, 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 May 3, 2026.
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:48 am
BOS
- BOI
1 stop8h 53m
Delta
Sat 6/61:53 pm
BOI
- BOS
1 stop8h 05m
Delta
Deal found 4/30![Delta logo]()
$285
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:10 am
BOS
- BOI
1 stop10h 04m
American Airlines
Sat 8/222:46 pm
BOI
- BOS
1 stop7h 13m
American Airlines
Deal found 4/30![American Airlines logo]()
$305
This American Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/278:37 am
BOS
- BOI
1 stop7h 43m
American Airlines
Sat 5/303:11 pm
BOI
- BOS
1 stop7h 04m
American Airlines
Deal found 5/2![American Airlines logo]()
$313
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 7/125:55 am
BOS
- BOI
1 stop7h 02m
Delta
Wed 7/152:50 pm
BOI
- BOS
1 stop7h 05m
Delta
Deal found 4/29![Delta logo]()
$315
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:00 am
BOS
- BOI
2 stops10h 22m
American Airlines
Sat 7/118:11 am
BOI
- BOS
1 stop10h 49m
American Airlines
Deal found 4/28![American Airlines logo]()
$317
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/258:00 am
BOS
- JAC
1 stop9h 09m
American Airlines
Wed 6/310:00 am
JAC
- BOS
1 stop8h 08m
American Airlines
Deal found 4/29![American Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 8/47:00 am
BOS
- BOI
1 stop9h 20m
American Airlines
Tue 8/116:44 am
BOI
- BOS
1 stop10h 58m
American Airlines
Deal found 4/29![American Airlines logo]()
$320
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/275:51 am
BOS
- BOI
1 stop9h 27m
Delta
Sat 5/306:41 pm
BOI
- BOS
1 stop9h 39m
Delta
Deal found 4/29![Delta logo]()
$321
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/249:05 am
BOS
- JAC
2 stops9h 54m
Delta
Tue 6/211:35 am
JAC
- BOS
2 stops9h 16m
Delta
Deal found 4/29![Delta logo]()
$341
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/297:00 am
BOS
- JAC
1 stop10h 09m
American Airlines
Tue 6/212:54 pm
JAC
- BOS
1 stop9h 10m
American Airlines
Deal found 4/29![American Airlines logo]()
$344
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:15 am
BDL
- JAC
1 stop7h 07m
United Airlines
Mon 12/72:40 pm
JAC
- BDL
1 stop6h 33m
United Airlines
Deal found 4/30![United Airlines logo]()
$351
This American Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:00 am
BOS
- JAC
1 stop11h 09m
American Airlines
Mon 6/111:07 am
JAC
- BOS
1 stop10h 02m
American Airlines
Deal found 5/2![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 May 3, 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 May 3, 2026.
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:16 pm
BOS
- BOI
1 stop7h 30m
Delta
Sat 6/132:50 pm
BOI
- BOS
1 stop7h 08m
Delta
Deal found 5/1![Delta logo]()
$285
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/121:20 pm
BOS
- GEG
2 stops12h 05m
Southwest
Wed 8/196:15 am
GEG
- BOS
2 stops12h 10m
Southwest
Deal found 4/28![Southwest logo]()
$415
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/268:56 am
ALB
- JAC
2 stops10h 58m
United Airlines
Fri 6/52:44 pm
JAC
- ALB
1 stop6h 46m
United Airlines
Deal found 5/2![United Airlines logo]()
$448
This American Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:05 am
BDL
- IDA
1 stop8h 06m
American Airlines
Tue 9/81:41 pm
IDA
- BDL
1 stop7h 12m
American Airlines
Deal found 5/2![American Airlines logo]()
$448
This Alaska Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:09 am
BOS
- IDA
1 stop10h 28m
Alaska Airlines
Sat 9/264:14 pm
IDA
- BOS
1 stop11h 55m
Alaska Airlines
Deal found 5/3![Alaska Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 6/96:20 am
BOS
- BOI
1 stop10h 31m
Delta
Mon 6/156:42 pm
BOI
- BOS
1 stop9h 23m
Delta
Deal found 4/29![Delta logo]()
$285
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/45:55 am
BOS
- BOI
1 stop9h 56m
Delta
Sat 7/112:04 pm
BOI
- BOS
1 stop9h 16m
Delta
Deal found 4/28![Delta logo]()
$285
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/125:55 am
BOS
- BOI
1 stop7h 02m
Delta
Wed 7/152:50 pm
BOI
- BOS
1 stop7h 05m
Delta
Deal found 5/2![Delta logo]()
$315
This Southwest deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/103:00 pm
BOS
- GEG
2 stops10h 00m
Southwest
Tue 8/257:00 am
GEG
- BOS
2 stops11h 25m
Southwest
Deal found 5/2![Southwest logo]()
$415
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:10 am
BOS
- BOI
1 stop8h 01m
Delta
Fri 6/59:18 pm
BOI
- BOS
1 stop8h 15m
Delta
Deal found 5/2![Delta logo]()
$315
This Alaska Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:09 am
BOS
- IDA
1 stop10h 28m
Alaska Airlines
Wed 9/96:18 am
IDA
- BOS
1 stop10h 41m
Alaska Airlines
Deal found 5/2![Alaska Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/22:15 pm
BOS
- BOI
2 stops10h 41m
United Airlines
Sun 6/76:30 am
BOI
- BOS
2 stops11h 00m
United Airlines
Deal found 5/3![United Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/275:51 am
BOS
- BOI
1 stop9h 27m
Delta
Sat 5/306:41 pm
BOI
- BOS
1 stop9h 39m
Delta
Deal found 4/29![Delta logo]()
$321
This Southwest deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/92:10 pm
BOS
- GEG
2 stops12h 15m
Southwest
Thu 7/166:25 am
GEG
- BOS
2 stops12h 15m
Southwest
Deal found 5/1![Southwest logo]()
$429
This Alaska Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:09 am
BOS
- GEG
1 stop8h 30m
Alaska Airlines
Wed 9/305:09 am
GEG
- BOS
2 stops15h 48m
Alaska Airlines
Deal found 5/1![Alaska Airlines logo]()
$481
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/77:19 am
BOS
- JAC
2 stops12h 34m
United Airlines
Wed 7/158:00 am
JAC
- BOS
2 stops13h 21m
United Airlines
Deal found 5/2![United Airlines logo]()
$483
This Southwest deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/92:10 pm
BOS
- GEG
2 stops12h 15m
Southwest
Wed 7/155:15 pm
GEG
- BOS
2 stops11h 55m
Southwest
Deal found 5/1![Southwest logo]()
$449
This Alaska Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:40 am
BOS
- IDA
2 stops17h 16m
Alaska Airlines
Fri 10/24:14 pm
IDA
- BOS
1 stop11h 55m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$486
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/202:10 pm
BOS
- IDA
2 stops10h 21m
Delta
Mon 6/297:00 pm
IDA
- BOS
1 stop9h 05m
Delta
Deal found 5/1![Delta logo]()
$374
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/242:20 pm
BOS
- GEG
2 stops11h 40m
Southwest
Tue 6/25:10 am
GEG
- BOS
2 stops10h 25m
Southwest
Deal found 4/28![Southwest logo]()
$455
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/256:00 am
BOS
- JAC
2 stops11h 25m
United Airlines
Sat 5/308:00 am
JAC
- BOS
2 stops13h 21m
United Airlines
Deal found 5/1![United Airlines logo]()
$501
This American Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/248:00 pm
ALB
- BOI
1 stop20h 22m
American Airlines
Sat 6/2712:13 pm
BOI
- ALB
2 stops10h 00m
American Airlines
Deal found 5/3![American Airlines logo]()
$631
This Southwest deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2612:50 pm
BDL
- BOI
2 stops11h 20m
Southwest
Sat 6/66:00 pm
BOI
- BDL
2 stops11h 55m
Southwest
Deal found 4/30![Southwest logo]()
$459
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/165:55 am
BOS
- BOI
1 stop7h 02m
Delta
Sun 7/262:50 pm
BOI
- BOS
1 stop7h 05m
Delta
Deal found 5/1![Delta logo]()
$381
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/238:56 am
ALB
- JAC
2 stops14h 34m
United Airlines
Fri 6/52:44 pm
JAC
- ALB
3 stops17h 59m
United Airlines
Deal found 5/2![United Airlines logo]()
$535
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 7/298:00 am
ALB
- JAC
2 stops13h 42m
American Airlines
Tue 8/411:50 am
JAC
- ALB
1 stop9h 25m
American Airlines
Deal found 4/29![American Airlines logo]()
$671
This Southwest deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/52:10 pm
BOS
- GEG
2 stops12h 15m
Southwest
Mon 6/82:15 pm
GEG
- BOS
1 stop7h 45m
Southwest
Deal found 5/2![Southwest logo]()
$460
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:55 am
BOS
- BOI
1 stop7h 02m
Delta
Wed 7/2211:42 pm
BOI
- BOS
1 stop7h 57m
Delta
Deal found 5/1![Delta logo]()
$381
This Alaska Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:32 pm
BOS
- IDA
1 stop22h 57m
Alaska Airlines
Mon 10/124:03 pm
IDA
- BOS
1 stop13h 59m
Alaska Airlines
Deal found 5/2![Alaska Airlines logo]()
$569
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:45 pm
BDL
- JAC
1 stop8h 07m
United Airlines
Sat 9/198:00 am
JAC
- BDL
2 stops11h 41m
United Airlines
Deal found 4/28![United Airlines logo]()
$541
Last-minute flights from Massachusetts to IdahoDiscover last-minute flight deals from Massachusetts to Idaho. Data last updated May 3, 2026 and is based on user searches.
Discover last-minute flight deals from Massachusetts to Idaho. Data last updated May 3, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/236:10 am
BOS
- BOI
1 stop8h 01m
Delta
Sat 6/66:41 pm
BOI
- BOS
1 stop9h 24m
Delta
Deal found 4/29![Delta logo]()
$285
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:51 am
BOS
- BOI
1 stop9h 27m
Delta
Sat 6/132:50 pm
BOI
- BOS
1 stop7h 08m
Delta
Deal found 4/28![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/249:05 am
BOS
- JAC
2 stops9h 54m
Delta
Tue 6/211:35 am
JAC
- BOS
2 stops9h 16m
Delta
Deal found 4/29![Delta logo]()
$341
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/258:00 am
BOS
- JAC
1 stop9h 09m
American Airlines
Wed 6/310:00 am
JAC
- BOS
1 stop8h 08m
American Airlines
Deal found 4/29![American Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:00 am
BOS
- JAC
1 stop11h 09m
American Airlines
Mon 6/111:07 am
JAC
- BOS
1 stop10h 02m
American Airlines
Deal found 5/2![American Airlines logo]()
$351
This American Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/278:37 am
BOS
- BOI
1 stop7h 43m
American Airlines
Sat 5/303:11 pm
BOI
- BOS
1 stop7h 04m
American Airlines
Deal found 5/2![American Airlines logo]()
$313
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/275:51 am
BOS
- BOI
1 stop9h 27m
Delta
Sat 5/306:41 pm
BOI
- BOS
1 stop9h 39m
Delta
Deal found 4/29![Delta logo]()
$321
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/271:02 pm
BDL
- IDA
2 stops11h 40m
Delta
Tue 6/26:54 pm
IDA
- BDL
2 stops13h 53m
Delta
Deal found 5/1![Delta logo]()
$359
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/297:00 am
BOS
- JAC
1 stop10h 09m
American Airlines
Tue 6/212:54 pm
JAC
- BOS
1 stop9h 10m
American Airlines
Deal found 4/29![American Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:51 am
BOS
- BOI
1 stop9h 27m
Delta
Sat 6/66:41 pm
BOI
- BOS
1 stop9h 24m
Delta
Deal found 4/28![Delta logo]()
$311
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:51 am
BOS
- BOI
1 stop9h 27m
Delta
Fri 6/58:58 am
BOI
- BOS
1 stop8h 49m
Delta
Deal found 4/30![Delta logo]()
$315
This American Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:00 am
BOS
- BOI
1 stop11h 07m
American Airlines
Fri 6/53:12 pm
BOI
- BOS
1 stop7h 16m
American Airlines
Deal found 5/3![American Airlines logo]()
$347
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 May 3, 2026.
Search for one-way flight options from Massachusetts to Idaho. Find affordable one-way fares based on user searches. Data last updated May 3, 2026.
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/65:35 am
BOS
- BOI
1 stop9h 08m
Delta
Deal found 4/30![Delta logo]()
$143
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:48 am
BOS
- GEG
1 stop10h 43m
Delta
Deal found 4/28![Delta logo]()
$147
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/107:00 am
BOS
- GEG
1 stop9h 11m
American Airlines
Deal found 4/28![American Airlines logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/278:44 am
BOS
- BOI
2 stops29h 46m
Frontier
Deal found 4/30![Frontier logo]()
$153
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/316:00 am
BOS
- JAC
1 stop11h 09m
American Airlines
Deal found 4/30![American Airlines logo]()
$170
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:00 am
BOS
- BOI
1 stop10h 06m
American Airlines
Deal found 4/28![American Airlines logo]()
$170
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:45 am
BOS
- GEG
2 stops12h 26m
United Airlines
Deal found 5/3![United Airlines logo]()
$172
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 7/125:55 am
BOS
- BOI
1 stop9h 49m
Delta
Deal found 4/29![Delta logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 6/312:01 pm
BOS
- BOI
2 stops26h 37m
Frontier
Deal found 4/29![Frontier logo]()
$174
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/136:00 am
BOS
- GEG
1 stop9h 01m
American Airlines
Deal found 4/30![American Airlines logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/112:01 pm
BOS
- BOI
2 stops26h 29m
Frontier
Deal found 5/1![Frontier logo]()
$175
This American Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/167:00 am
BOS
- BOI
1 stop10h 06m
American Airlines
Deal found 5/2![American Airlines logo]()
$176
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 May 3, 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 | January |
Average price | $430 |
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 May 3, 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
Sat 5/23
6:16 pm-11:46 pm
1 stop7h 30m
Boise Air Term. Gowen Fld
Sat 6/13
2:50 pm-11:58 pm
1 stop7h 08m
$285
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Tue 6/9
6:20 am-2:51 pm
1 stop10h 31m
Boise Air Term. Gowen Fld
Mon 6/15
6:42 pm-6:05 am
1 stop9h 23m
$285
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Sat 7/4
5:55 am-1:51 pm
1 stop9h 56m
Boise Air Term. Gowen Fld
Sat 7/11
2:04 pm-1:20 am
1 stop9h 16m
$285
Quickest round-trip
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Sun 7/12
5:55 am-10:57 am
1 stop7h 02m
Boise Air Term. Gowen Fld
Wed 7/15
2:50 pm-11:55 pm
1 stop7h 05m
$315
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Sat 5/30
6:10 am-12:11 pm
1 stop8h 01m
Boise Air Term. Gowen Fld
Fri 6/5
9:18 pm-7:33 am
1 stop8h 15m
$315
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Wed 5/27
5:51 am-1:18 pm
1 stop9h 27m
Boise Air Term. Gowen Fld
Sat 5/30
6:41 pm-6:20 am
1 stop9h 39m
$321
BostonIdaho Falls
BOS - IDA
BOSIDA
Boston Logan Intl
Sat 6/20
2:10 pm-10:31 pm
2 stops10h 21m
Idaho Falls Fanning Field
Mon 6/29
7:00 pm-6:05 am
1 stop9h 05m
$374
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Thu 7/16
5:55 am-10:57 am
1 stop7h 02m
Boise Air Term. Gowen Fld
Sun 7/26
2:50 pm-11:55 pm
1 stop7h 05m
$381
BostonBoise
BOS - BOI
BOSBOI
Boston Logan Intl
Wed 7/15
5:55 am-10:57 am
1 stop7h 02m
Boise Air Term. Gowen Fld
Wed 7/22
11:42 pm-9:39 am
1 stop7h 57m
$381
BostonSpokane
BOS - GEG
BOSGEG
Boston Logan Intl
Wed 8/12
1:20 pm-10:25 pm
2 stops12h 05m
Spokane
Wed 8/19
6:15 am-9:25 pm
2 stops12h 10m
$415
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-JAC
BDL-IDA
BOS-GEG
ALB-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
BOS-JAC
BDL-IDA
BOS-GEG
How far ahead should I book a flight from Massachusetts to Idaho?
Booking 71 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.
What is the cheapest month to book a flight from Massachusetts to Idaho?
Currently, June is the cheapest month in which you can book a flight from Massachusetts to Idaho (average of $142). Flying from Massachusetts to Idaho in November is currently the most expensive (average of $293). 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?
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 May 3, 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.
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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 May 3, 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 May 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$249 | Average$656 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$260 | Average$594 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$264 | Average$500 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$293 | Average$588 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$311 | Average$470 | FlexibilityNo cancel fee | On-time63% |