$197+ Cheap flights from Idaho to Boston (BOS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BOS
Dec 14 — Dec 211
Round-trip
1 adult, Economy
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Find cheap flights from Idaho to Boston with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Idaho to BostonExplore the most affordable flight options available from Idaho to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 14, 2026.
Explore the most affordable flight options available from Idaho to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 14, 2026.
This American Airlines deal was found by Cheapflights users on 11/12. 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.
Thu 12/1012:16 pm -
1 stop8h 07m
Mon 12/146:26 am -
1 stop9h 02m
Deal found 11/12![American Airlines logo]()
$393
This United Airlines deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” 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 12/511:49 am -
2 stops10h 10m
Sat 12/122:59 pm -
1 stop8h 28m
Deal found 11/10![United Airlines logo]()
$398
This Southwest deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” 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 12/52:45 pm -
2 stops15h 20m
Sat 12/127:25 am -
2 stops12h 45m
Deal found 11/10![Southwest logo]()
$409
This Alaska Airlines deal was found by Cheapflights users on 11/13. 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.
Sat 12/127:41 pm -
1 stop18h 12m
Mon 1/44:46 pm -
1 stop9h 13m
Deal found 11/13![Alaska Airlines logo]()
$411
This Expedia deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/114:47 pm -
1 stop22h 21m
Wed 12/166:13 pm -
1 stop21h 15m
Deal found 11/10![Alaska Airlines logo]()
$413
This American Airlines deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” 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 12/51:39 pm -
1 stop7h 53m
Fri 12/116:26 am -
1 stop9h 02m
Deal found 11/10![American Airlines logo]()
$414
This Delta deal was found by Cheapflights users on 11/12. 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.
Sat 12/53:00 pm -
1 stop6h 47m
Wed 12/96:05 am -
1 stop8h 06m
Deal found 11/12![Delta logo]()
$419
This Alaska Airlines deal was found by Cheapflights users on 11/12. 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 12/85:47 am -
1 stop8h 06m
Fri 12/117:00 am -
1 stop9h 19m
Deal found 11/12![Alaska Airlines logo]()
$424
This Southwest deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” 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 12/52:45 pm -
2 stops15h 20m
Fri 12/115:00 am -
1 stop7h 40m
Deal found 11/10![Southwest logo]()
$425
This Southwest deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” 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 12/71:05 pm -
1 stop8h 40m
Fri 12/113:30 pm -
2 stops9h 30m
Deal found 11/10![Southwest logo]()
$427
This Alaska Airlines deal was found by Cheapflights users on 11/14. 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.
Sun 12/612:56 pm -
1 stop9h 03m
Mon 12/74:56 pm -
1 stop8h 50m
Deal found 11/14![Alaska Airlines logo]()
$432
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:00 am -
1 stop8h 26m
Wed 11/186:05 am -
1 stop8h 10m
Deal found 11/11![Delta logo]()
$539
Best flights from Idaho to BostonDiscover carefully curated flight deals from Idaho to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 14, 2026.
Discover carefully curated flight deals from Idaho to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 14, 2026.
This American Airlines deal was found by Cheapflights users on 11/14. 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.
Thu 1/1412:28 pm -
1 stop9h 14m
Mon 1/186:22 am -
1 stop11h 42m
Deal found 11/14![American Airlines logo]()
$403
This Delta deal was found by Cheapflights users on 11/12. 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 12/223:21 pm -
1 stop6h 38m
Tue 1/57:35 am -
1 stop10h 29m
Deal found 11/12![Delta logo]()
$419
This Southwest deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” 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 12/116:35 am -
1 stop9h 15m
Wed 12/1612:50 pm -
2 stops11h 45m
Deal found 11/10![Southwest logo]()
$419
This Alaska Airlines deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” 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 3/172:01 pm -
1 stop13h 39m
Mon 3/225:40 pm -
1 stop17h 45m
Deal found 11/10![Alaska Airlines logo]()
$477
This United Airlines deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” 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 12/511:49 am -
1 stop8h 04m
Wed 12/96:00 am -
2 stops9h 39m
Deal found 11/10![United Airlines logo]()
$528
This American Airlines deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” 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 1/71:42 pm -
1 stop8h 14m
Thu 1/144:52 pm -
1 stop8h 48m
Deal found 11/10![American Airlines logo]()
$409
This Southwest deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/114:15 pm -
1 stop6h 35m
Sun 2/141:15 pm -
2 stops11h 55m
Deal found 11/12![Southwest logo]()
$471
This Delta deal was found by Cheapflights users on 11/13. 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.
Thu 12/101:47 pm -
1 stop9h 23m
Mon 12/143:05 pm -
2 stops10h 47m
Deal found 11/13![Delta logo]()
$506
This Southwest deal was found by Cheapflights users on 11/14. 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 12/122:50 pm -
2 stops15h 15m
Sat 12/195:25 pm -
2 stops10h 15m
Deal found 11/14![Southwest logo]()
$472
This United Airlines deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/146:20 am -
2 stops9h 49m
Mon 1/187:30 am -
1 stop9h 21m
Deal found 11/11![United Airlines logo]()
$528
This United Airlines deal was found by Cheapflights users on 11/13. 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 2/57:00 am -
1 stop6h 39m
Tue 2/97:00 am -
1 stop8h 28m
Deal found 11/13![United Airlines logo]()
$544
This Southwest deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/122:50 pm -
2 stops15h 15m
Sun 1/35:00 pm -
2 stops10h 35m
Deal found 11/11![Southwest logo]()
$511
This Alaska Airlines deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” 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 3/17:42 pm -
1 stop7h 58m
Wed 3/34:48 pm -
2 stops28h 12m
Deal found 11/10![Alaska Airlines logo]()
$641
This United Airlines deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/57:00 am -
2 stops9h 09m
Mon 2/810:35 am -
2 stops12h 35m
Deal found 11/11![United Airlines logo]()
$549
This American Airlines deal was found by Cheapflights users on 11/12. 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.
Sun 2/286:00 am -
2 stops10h 49m
Sun 3/71:05 pm -
2 stops11h 37m
Deal found 11/12![American Airlines logo]()
$609
This United Airlines deal was found by Cheapflights users on 11/12. 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 11/272:35 pm -
1 stop7h 16m
Tue 12/15:57 am -
2 stops11h 32m
Deal found 11/12![United Airlines logo]()
$702
This Delta deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” 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 11/267:20 am -
1 stop7h 06m
Mon 11/306:05 am -
2 stops10h 43m
Deal found 11/10![Delta logo]()
$924
This United Airlines deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/17:00 am -
2 stops12h 54m
Wed 3/37:55 am -
2 stops15h 35m
Deal found 11/10![United Airlines logo]()
$792
This United Airlines deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” 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 11/302:35 pm -
1 stop7h 15m
Thu 12/36:00 am -
2 stops11h 29m
Deal found 11/10![United Airlines logo]()
$806
This Delta deal was found by Cheapflights users on 11/14. 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.
Sun 11/2912:58 pm -
1 stop8h 59m
Thu 12/36:05 am -
1 stop10h 38m
Deal found 11/14![Delta logo]()
$1,104
Last-minute flights from Idaho to BostonDiscover last-minute flight deals from Idaho to Boston. Data last updated November 14, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Boston. Data last updated November 14, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:00 am -
1 stop8h 26m
Wed 11/186:05 am -
1 stop8h 10m
Deal found 11/11![Delta logo]()
$539
This United Airlines deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” 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 12/511:49 am -
2 stops10h 10m
Sat 12/122:59 pm -
1 stop8h 28m
Deal found 11/10![United Airlines logo]()
$398
This Southwest deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” 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 12/52:45 pm -
2 stops15h 20m
Sat 12/127:25 am -
2 stops12h 45m
Deal found 11/10![Southwest logo]()
$409
This American Airlines deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” 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 12/51:39 pm -
1 stop7h 53m
Fri 12/116:26 am -
1 stop9h 02m
Deal found 11/10![American Airlines logo]()
$414
This Delta deal was found by Cheapflights users on 11/12. 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.
Sat 12/53:00 pm -
1 stop6h 47m
Sat 12/126:05 am -
1 stop8h 06m
Deal found 11/12![Delta logo]()
$419
This Southwest deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” 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 12/52:45 pm -
2 stops15h 20m
Fri 12/115:00 am -
1 stop7h 40m
Deal found 11/10![Southwest logo]()
$425
This Alaska Airlines deal was found by Cheapflights users on 11/14. 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.
Sun 12/612:56 pm -
1 stop9h 03m
Mon 12/74:56 pm -
1 stop8h 50m
Deal found 11/14![Alaska Airlines logo]()
$432
This Southwest deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” 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 12/71:05 pm -
1 stop8h 40m
Fri 12/113:30 pm -
2 stops9h 30m
Deal found 11/10![Southwest logo]()
$427
This Alaska Airlines deal was found by Cheapflights users on 11/12. 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 12/85:47 am -
1 stop8h 06m
Fri 12/117:00 am -
1 stop9h 19m
Deal found 11/12![Alaska Airlines logo]()
$424
This American Airlines deal was found by Cheapflights users on 11/12. 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.
Thu 12/1012:16 pm -
1 stop8h 07m
Mon 12/146:26 am -
1 stop9h 02m
Deal found 11/12![American Airlines logo]()
$393
This Expedia deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/114:47 pm -
1 stop22h 21m
Wed 12/166:13 pm -
1 stop21h 15m
Deal found 11/10![Alaska Airlines logo]()
$413
This Alaska Airlines deal was found by Cheapflights users on 11/13. 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.
Sat 12/127:41 pm -
1 stop18h 12m
Mon 1/44:46 pm -
1 stop9h 13m
Deal found 11/13![Alaska Airlines logo]()
$411
One-way flights from Idaho to BostonSearch for one-way flight options from Idaho to Boston. Find affordable one-way fares based on user searches. Data last updated November 14, 2026.
Search for one-way flight options from Idaho to Boston. Find affordable one-way fares based on user searches. Data last updated November 14, 2026.
This United Airlines deal was found by Cheapflights users on 11/12. 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 12/1411:49 am -
1 stop8h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/12![United Airlines logo]()
$197
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/211:51 pm -
1 stop7h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/11![Delta logo]()
$205
This United Airlines deal was found by Cheapflights users on 11/13. 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.
Wed 12/98:15 am -
2 stops13h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/13![United Airlines logo]()
$207
This American Airlines deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:35 pm -
1 stop10h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/11![American Airlines logo]()
$215
This United Airlines deal was found by Cheapflights users on 11/12. 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 12/118:15 am -
1 stop11h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/12![United Airlines logo]()
$223
This Southwest deal was found by Cheapflights users on 11/12. 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.
Fri 12/115:00 am -
2 stops9h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/12![Southwest logo]()
$228
This United Airlines deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/268:15 am -
1 stop9h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/11![United Airlines logo]()
$230
This United Airlines deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/276:30 am -
2 stops10h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/11![United Airlines logo]()
$235
This Delta deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” 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 12/226:40 pm -
1 stop9h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Delta logo]()
$240
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/277:39 am -
1 stop10h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/11![Delta logo]()
$240
This United Airlines deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” 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 12/222:20 pm -
2 stops13h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![United Airlines logo]()
$245
This Southwest deal was found by Cheapflights users on 11/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/105:45 am -
2 stops9h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/13![Southwest logo]()
$247
Find flight deals from Idaho to Boston
Keep the following information in mind while searching for Idaho to Boston flight deals. Data was last updated November 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $393 (American Airlines) |
One-way from | $197 (United Airlines) |
Popular in | April |
Cheapest in | November |
Average price | $369 |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho to Boston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated November 14, 2026.
Use the filters below to find and compare flights from Idaho to Boston that are best for you.
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Fly to
Route
Depart
Return
Cheapest round-trip
BoiseBoston
BOI Boise Air Term. Gowen Fld - BOS Boston Logan Intl
BOIBOS
Boise Air Term. Gowen Fld
Mon 12/14
11:49 am-9:53 pm
1 stop8h 04m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$197
BoiseBoston
BOI Boise Air Term. Gowen Fld - BOS Boston Logan Intl
BOIBOS
Boise Air Term. Gowen Fld
Tue 1/19
8:20 am-5:35 pm
1 stop7h 15m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$197
Quickest round-trip
BoiseBoston
BOI Boise Air Term. Gowen Fld - BOS Boston Logan Intl
BOIBOS
Boise Air Term. Gowen Fld
Thu 4/15
1:29 pm-10:28 pm
1 stop6h 59m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$197
BoiseBoston
BOI Boise Air Term. Gowen Fld - BOS Boston Logan Intl
BOIBOS
Boise Air Term. Gowen Fld
Thu 12/10
8:15 am-9:24 pm
1 stop11h 09m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$202
BoiseBoston
BOI Boise Air Term. Gowen Fld - BOS Boston Logan Intl
BOIBOS
Boise Air Term. Gowen Fld
Mon 1/18
6:05 am-7:05 pm
1 stop11h 00m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$202
BoiseBoston
BOI Boise Air Term. Gowen Fld - BOS Boston Logan Intl
BOIBOS
Boise Air Term. Gowen Fld
Thu 4/15
5:25 am-5:50 pm
2 stops10h 25m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$202
BoiseBoston
BOI Boise Air Term. Gowen Fld - BOS Boston Logan Intl
BOIBOS
Boise Air Term. Gowen Fld
Wed 12/9
6:10 am-7:15 pm
1 stop11h 05m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$202
BoiseBoston
BOI Boise Air Term. Gowen Fld - BOS Boston Logan Intl
BOIBOS
Boise Air Term. Gowen Fld
Mon 12/21
1:51 pm-11:00 pm
1 stop7h 09m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$205
Idaho FallsBoston
IDA Idaho Falls Fanning Field - BOS Boston Logan Intl
IDABOS
Idaho Falls Fanning Field
Thu 12/3
5:35 pm-5:50 am
1 stop10h 15m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$215
BoiseBoston
BOI Boise Air Term. Gowen Fld - BOS Boston Logan Intl
BOIBOS
Boise Air Term. Gowen Fld
Sun 12/13
6:10 am-4:55 pm
1 stop8h 45m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$223
Showing 1-10 of 48 resultsSorted by cheapest first
Best time to book a flight from Idaho to Boston
Have a flexible travel schedule? Discover the best time to fly to Boston from Idaho with our price prediction graph.
BOI-BOS
IDA-BOS
SUN-BOS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Idaho to Boston
USID-BOS
BOI-BOS
IDA-BOS
SUN-BOS
What is the cheapest month to book a flight from Idaho to Boston?
Currently, January is the cheapest month in which you can book a flight from Idaho to Boston (average of $378). Flying from Idaho to Boston in April is currently the most expensive (average of $545). 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 Idaho to Boston?
Airfare is typical for this route at the moment.
Idaho to Boston flights typically cost between $342 and $478 in December.The cheapest round-trip price found within the last 5 days was $393 on American Airlines (Dec 10-Dec 14).
How far ahead should I book a flight from Idaho to Boston?
The best time to book flights from Idaho to Boston is 69 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Related info for your journey
Find useful and relevant information for your journey from Idaho to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Boston?
Book flights to Boston if you plan to visit one of these locationsWaltham
Randolph
Concord
Cambridge
Brockton
Dedham
Cranston
Warwick
Pawtucket
Peabody
Revere
Fitchburg
Londonderry
York Beach
North Falmouth
Chelsea
Swansea
Braintree
Auburn
Sandwich
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
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Alternative routes for Idaho to Boston
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Boston
Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on November 14, 2026.
Complete your trip
Complete your trip to Boston by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Idaho to Boston by cabin class
Find flights from Idaho to Boston, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Idaho and Boston flights
Browse other Idaho and Boston flight options. Last updated on November 14, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Idaho to Boston flights
Consider these flights traveling from Idaho to Boston.
Top 5 airlines flying from Idaho to Boston
Discover the top 5 airlines that operate flights from Idaho to Boston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated November 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$230 | Average$542 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$254 | Average$548 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$257 | Average$551 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$284 | Average$467 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$357 | Average$489 | FlexibilityNo cancel fee | On-time63% |