$96+ Cheap flights from Idaho to Boston (BOS)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BOS
May 28 — Jun 41
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Idaho to Boston
Cheapest
Best
Last-minute
One-way
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 April 28, 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 April 28, 2026.
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 5/187:23 pm
GEG
- BOS
1 stop9h 12m
Delta
Wed 5/277:48 am
BOS
- GEG
1 stop10h 43m
Delta
Deal found 4/23![Delta logo]()
$214
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 5/186:45 pm
GEG
- BOS
1 stop8h 35m
Delta
Thu 6/44:30 pm
BOS
- GEG
1 stop9h 48m
Delta
Deal found 4/23![Delta logo]()
$231
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 6/51:11 pm
GEG
- BOS
1 stop8h 29m
Delta
Tue 6/95:30 am
BOS
- GEG
1 stop9h 06m
Delta
Deal found 4/23![Delta logo]()
$232
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 6/66:41 pm
BOI
- BOS
1 stop9h 39m
Delta
Thu 6/115:30 am
BOS
- BOI
1 stop9h 24m
Delta
Deal found 4/23![Delta logo]()
$255
This American Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 9/1912:10 pm
BOI
- BOS
1 stop9h 45m
American Airlines
Sat 10/175:24 am
BOS
- BOI
1 stop9h 08m
American Airlines
Deal found 4/23![American Airlines logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 5/188:51 pm
BOI
- BOS
1 stop8h 50m
Alaska Airlines
Sun 5/247:20 am
BOS
- BOI
1 stop10h 14m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$284
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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 7/45:30 am
BOI
- BOS
1 stop9h 15m
Delta
Tue 7/145:55 am
BOS
- BOI
1 stop9h 49m
Delta
Deal found 4/26![Delta logo]()
$285
This American Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 10/2812:10 pm
BOI
- BOS
1 stop9h 00m
American Airlines
Sat 10/316:05 am
BOS
- BOI
2 stops9h 57m
American Airlines
Deal found 4/23![American Airlines logo]()
$293
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 7/145:10 pm
GEG
- BOS
1 stop9h 55m
Delta
Tue 7/217:10 am
BOS
- GEG
1 stop7h 29m
Delta
Deal found 4/27![Delta logo]()
$293
This United Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 11/45:00 am
GEG
- BOS
2 stops10h 13m
United Airlines
Sat 11/73:19 pm
BOS
- GEG
1 stop8h 50m
United Airlines
Deal found 4/24![United Airlines logo]()
$298
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 6/107:08 pm
GEG
- BOS
1 stop7h 57m
Delta
Mon 6/156:20 am
BOS
- GEG
1 stop12h 28m
Delta
Deal found 4/27![Delta logo]()
$301
This American Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 5/262:08 pm
GEG
- BOS
1 stop7h 07m
American Airlines
Sun 5/317:00 am
BOS
- GEG
1 stop9h 14m
American Airlines
Deal found 4/23![American Airlines logo]()
$306
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 April 28, 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 April 28, 2026.
This Delta deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 8/293:25 pm
BOI
- BOS
1 stop6h 27m
Delta
Tue 9/87:05 am
BOS
- BOI
1 stop9h 17m
Delta
Deal found 4/24![Delta logo]()
$285
This Alaska Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 8/44:23 pm
BOI
- BOS
1 stop11h 57m
Alaska Airlines
Mon 8/177:44 pm
BOS
- BOI
1 stop15h 59m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$340
This Southwest deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 9/217:50 pm
BOI
- BOS
2 stops11h 40m
Southwest
Wed 9/309:25 am
BOS
- BOI
1 stop7h 25m
Southwest
Deal found 4/27![Southwest logo]()
$377
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 10/141:43 pm
IDA
- BOS
1 stop8h 11m
American Airlines
Wed 10/219:29 am
BOS
- IDA
2 stops13h 53m
American Airlines
Deal found 4/28![American Airlines logo]()
$401
This United Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 5/237:30 am
JAC
- BOS
1 stop6h 59m
United Airlines
Sat 5/307:30 am
BOS
- JAC
2 stops12h 24m
United Airlines
Deal found 4/23![United Airlines logo]()
$444
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 8/62:50 pm
BOI
- BOS
1 stop7h 07m
Delta
Thu 8/137:10 am
BOS
- BOI
1 stop8h 53m
Delta
Deal found 4/27![Delta logo]()
$285
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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 8/410:29 am
BOI
- BOS
1 stop9h 32m
Delta
Mon 8/175:40 am
BOS
- BOI
1 stop10h 23m
Delta
Deal found 4/26![Delta logo]()
$285
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 9/2111:30 pm
BOI
- BOS
1 stop10h 04m
Delta
Wed 9/306:00 am
BOS
- BOI
1 stop8h 14m
Delta
Deal found 4/27![Delta logo]()
$285
This Alaska Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” 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 5/267:25 pm
GEG
- BOS
1 stop7h 55m
Alaska Airlines
Sun 5/316:00 am
BOS
- GEG
1 stop8h 52m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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 7/147:59 pm
GEG
- BOS
1 stop8h 36m
Delta
Tue 7/217:10 am
BOS
- GEG
1 stop9h 11m
Delta
Deal found 4/26![Delta logo]()
$293
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” 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 5/211:11 pm
GEG
- BOS
1 stop8h 29m
Delta
Tue 5/267:48 am
BOS
- GEG
1 stop10h 43m
Delta
Deal found 4/25![Delta logo]()
$301
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 10/2210:50 am
GEG
- BOS
1 stop10h 30m
Delta
Mon 10/266:30 pm
BOS
- GEG
1 stop8h 12m
Delta
Deal found 4/23![Delta logo]()
$309
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/211:42 pm
JAC
- BOS
2 stops9h 32m
United Airlines
Sat 5/307:30 am
BOS
- JAC
2 stops12h 24m
United Airlines
Deal found 4/27![United Airlines logo]()
$501
This Alaska Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 5/296:00 am
IDA
- BOS
1 stop8h 32m
Alaska Airlines
Tue 6/26:00 am
BOS
- IDA
1 stop9h 17m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$469
This American Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 7/309:54 am
JAC
- BOS
1 stop7h 12m
American Airlines
Thu 8/66:10 am
BOS
- JAC
1 stop11h 02m
American Airlines
Deal found 4/27![American Airlines logo]()
$523
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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 8/215:00 pm
GEG
- BOS
1 stop10h 09m
Delta
Tue 8/256:35 pm
BOS
- GEG
1 stop8h 09m
Delta
Deal found 4/26![Delta logo]()
$310
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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 5/302:38 pm
SUN
- BOS
1 stop7h 06m
United Airlines
Tue 6/27:45 am
BOS
- SUN
1 stop8h 02m
United Airlines
Deal found 4/26![United Airlines logo]()
$511
This Alaska Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 9/241:45 pm
IDA
- BOS
1 stop15h 54m
Alaska Airlines
Wed 9/309:30 am
BOS
- IDA
1 stop29h 36m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$469
This American Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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 9/247:00 am
IDA
- BOS
2 stops12h 45m
American Airlines
Wed 9/3010:40 am
BOS
- IDA
2 stops12h 42m
American Airlines
Deal found 4/26![American Airlines logo]()
$553
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 9/91:43 pm
BOI
- BOS
1 stop9h 23m
Delta
Mon 9/145:40 am
BOS
- BOI
1 stop10h 23m
Delta
Deal found 4/23![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 9/18:15 am
SUN
- BOS
2 stops13h 39m
United Airlines
Wed 9/210:51 am
BOS
- SUN
1 stop9h 59m
United Airlines
Deal found 4/27![United Airlines logo]()
$516
This Alaska Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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 7/144:14 pm
IDA
- BOS
1 stop12h 06m
Alaska Airlines
Mon 8/37:44 pm
BOS
- IDA
1 stop21h 53m
Alaska Airlines
Deal found 4/26![Alaska Airlines logo]()
$509
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” 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 6/105:10 pm
GEG
- BOS
1 stop9h 55m
Delta
Sun 6/147:15 am
BOS
- GEG
1 stop7h 25m
Delta
Deal found 4/25![Delta logo]()
$321
This American Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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 7/147:00 am
IDA
- BOS
2 stops13h 33m
American Airlines
Mon 8/36:30 pm
BOS
- IDA
1 stop20h 53m
American Airlines
Deal found 4/26![American Airlines logo]()
$572
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 9/152:29 pm
SUN
- BOS
1 stop7h 13m
United Airlines
Mon 9/287:18 am
BOS
- SUN
1 stop9h 20m
United Airlines
Deal found 4/27![United Airlines logo]()
$523
This United Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” 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 6/308:15 am
SUN
- BOS
2 stops11h 40m
United Airlines
Sat 7/116:00 am
BOS
- SUN
3 stops14h 58m
United Airlines
Deal found 4/25![United Airlines logo]()
$527
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 10/22:45 pm
BOI
- BOS
1 stop7h 38m
Delta
Sat 10/107:05 am
BOS
- BOI
1 stop10h 25m
Delta
Deal found 4/23![Delta logo]()
$342
This Alaska Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/94:03 pm
IDA
- BOS
1 stop12h 17m
Alaska Airlines
Fri 6/196:03 am
BOS
- IDA
1 stop9h 03m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$587
This Delta deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 10/162:35 pm
BOI
- BOS
1 stop7h 45m
Delta
Tue 10/206:00 pm
BOS
- BOI
1 stop7h 55m
Delta
Deal found 4/24![Delta logo]()
$342
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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 5/267:30 am
JAC
- BOS
2 stops12h 23m
United Airlines
Tue 6/211:35 am
BOS
- JAC
1 stop12h 10m
United Airlines
Deal found 4/26![United Airlines logo]()
$596
Last-minute flights from Idaho to BostonDiscover last-minute flight deals from Idaho to Boston. Data last updated April 28, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Boston. Data last updated April 28, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 5/187:23 pm
GEG
- BOS
1 stop9h 12m
Delta
Wed 5/277:48 am
BOS
- GEG
1 stop10h 43m
Delta
Deal found 4/23![Delta logo]()
$214
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 5/186:45 pm
GEG
- BOS
1 stop8h 35m
Delta
Thu 6/44:30 pm
BOS
- GEG
1 stop9h 48m
Delta
Deal found 4/23![Delta logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 5/188:51 pm
BOI
- BOS
1 stop8h 50m
Alaska Airlines
Sun 5/247:20 am
BOS
- BOI
1 stop10h 14m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$284
This Expedia deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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.
Mon 5/188:38 pm
GEG
- BOS
2 stops11h 54m
Alaska Airlines
Wed 5/278:05 am
BOS
- GEG
1 stop16h 40m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$354
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” 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 5/211:11 pm
GEG
- BOS
1 stop8h 29m
Delta
Tue 5/267:48 am
BOS
- GEG
1 stop10h 43m
Delta
Deal found 4/25![Delta logo]()
$301
This United Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 5/237:30 am
JAC
- BOS
1 stop8h 05m
United Airlines
Sat 5/302:40 pm
BOS
- JAC
1 stop8h 20m
United Airlines
Deal found 4/23![United Airlines logo]()
$339
This CheapOair deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/247:25 pm
GEG
- BOS
1 stop7h 55m
Alaska Airlines
Sun 5/316:00 am
BOS
- GEG
1 stop8h 52m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$321
This American Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 5/262:08 pm
GEG
- BOS
1 stop7h 07m
American Airlines
Sun 5/317:00 am
BOS
- GEG
1 stop9h 14m
American Airlines
Deal found 4/23![American Airlines logo]()
$306
This Alaska Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 5/267:25 pm
GEG
- BOS
1 stop7h 55m
Alaska Airlines
Sun 5/316:00 am
BOS
- GEG
1 stop8h 52m
Alaska Airlines
Deal found 4/24![Alaska Airlines logo]()
$349
This deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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.
Wed 5/275:00 am
GEG
- BOS
1 stop7h 49m
Delta
Wed 6/36:10 am
BOS
- GEG
1 stop8h 51m
Delta
Deal found 4/24![Delta logo]()
$293
This Delta deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 5/2812:15 pm
BOI
- BOS
1 stop10h 25m
Delta
Mon 6/16:15 am
BOS
- BOI
1 stop10h 19m
Delta
Deal found 4/24![Delta logo]()
$285
This deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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.
Fri 5/297:25 pm
GEG
- BOS
1 stop7h 55m
Alaska Airlines
Sat 6/67:20 am
BOS
- GEG
1 stop9h 56m
Alaska Airlines
Deal found 4/24![Alaska Airlines logo]()
$360
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 April 28, 2026.
Search for one-way flight options from Idaho to Boston. Find affordable one-way fares based on user searches. Data last updated April 28, 2026.
This American Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 6/23:11 pm
BOI
- BOS
1 stop7h 04m
American Airlines
Deal found 4/23![American Airlines logo]()
$96
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 6/92:50 pm
BOI
- BOS
1 stop7h 07m
Delta
Deal found 4/23![Delta logo]()
$99
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 8/122:05 pm
GEG
- BOS
1 stop6h 47m
Delta
Deal found 4/23![Delta logo]()
$99
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 6/412:15 pm
BOI
- BOS
1 stop10h 25m
Delta
Deal found 4/23![Delta logo]()
$113
This Southwest deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 9/23:30 pm
BOI
- BOS
1 stop12h 30m
Southwest
Deal found 4/23![Southwest logo]()
$119
This American Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 6/211:07 am
JAC
- BOS
1 stop9h 07m
American Airlines
Deal found 4/23![American Airlines logo]()
$138
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 7/112:04 pm
BOI
- BOS
1 stop9h 16m
Delta
Deal found 4/27![Delta logo]()
$143
This Delta deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 6/232:23 pm
GEG
- BOS
1 stop6h 34m
Delta
Deal found 4/24![Delta logo]()
$147
This American Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 8/126:30 am
GEG
- BOS
1 stop11h 15m
American Airlines
Deal found 4/24![American Airlines logo]()
$148
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 8/1212:57 pm
GEG
- BOS
2 stops14h 02m
United Airlines
Deal found 4/27![United Airlines logo]()
$152
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 8/612:35 pm
GEG
- BOS
1 stop8h 22m
Delta
Deal found 4/23![Delta logo]()
$155
This Southwest deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 8/133:45 pm
BOI
- BOS
1 stop12h 15m
Southwest
Deal found 4/23![Southwest logo]()
$156
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 April 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $214 (Delta) |
One-way from | $96 (American Airlines) |
Popular in | April |
Cheapest in | December |
Average price | $620 |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho to Boston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 28, 2026.
Use the filters below to find and compare flights from Idaho to Boston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoiseBoston
BOI - BOS
BOIBOS
Boise Air Term. Gowen Fld
Sat 8/29
3:25 pm-11:52 pm
1 stop6h 27m
Boston Logan Intl
Tue 9/8
7:05 am-2:22 pm
1 stop9h 17m
$285
BoiseBoston
BOI - BOS
BOIBOS
Boise Air Term. Gowen Fld
Thu 8/6
2:50 pm-11:57 pm
1 stop7h 07m
Boston Logan Intl
Thu 8/13
7:10 am-2:03 pm
1 stop8h 53m
$285
BoiseBoston
BOI - BOS
BOIBOS
Boise Air Term. Gowen Fld
Tue 8/4
10:29 am-10:01 pm
1 stop9h 32m
Boston Logan Intl
Mon 8/17
5:40 am-2:03 pm
1 stop10h 23m
$285
BoiseBoston
BOI - BOS
BOIBOS
Boise Air Term. Gowen Fld
Mon 9/21
11:30 pm-11:34 am
1 stop10h 04m
Boston Logan Intl
Wed 9/30
6:00 am-12:14 pm
1 stop8h 14m
$285
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Tue 7/14
7:59 pm-7:35 am
1 stop8h 36m
Boston Logan Intl
Tue 7/21
7:10 am-1:21 pm
1 stop9h 11m
$293
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Thu 5/21
1:11 pm-12:40 am
1 stop8h 29m
Boston Logan Intl
Tue 5/26
7:48 am-3:31 pm
1 stop10h 43m
$301
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Thu 10/22
10:50 am-12:20 am
1 stop10h 30m
Boston Logan Intl
Mon 10/26
6:30 pm-11:42 pm
1 stop8h 12m
$309
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Fri 8/21
5:00 pm-6:09 am
1 stop10h 09m
Boston Logan Intl
Tue 8/25
6:35 pm-11:44 pm
1 stop8h 09m
$310
BoiseBoston
BOI - BOS
BOIBOS
Boise Air Term. Gowen Fld
Wed 9/9
1:43 pm-1:06 am
1 stop9h 23m
Boston Logan Intl
Mon 9/14
5:40 am-2:03 pm
1 stop10h 23m
$319
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Wed 6/10
5:10 pm-6:05 am
1 stop9h 55m
Boston Logan Intl
Sun 6/14
7:15 am-11:40 am
1 stop7h 25m
$321
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Idaho to Boston
Have a flexible travel schedule? Discover the best time to fly to Boston from Idaho with our price prediction graph.
GEG-BOS
BOI-BOS
JAC-BOS
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
GEG-BOS
BOI-BOS
JAC-BOS
IDA-BOS
How far ahead should I book a flight from Idaho to Boston?
The best time to book flights from Idaho to Boston is 87 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.
What is the cheapest month to book a flight from Idaho to Boston?
Currently, August is the cheapest month in which you can book a flight from Idaho to Boston (average of $114). Flying from Idaho to Boston in April is currently the most expensive (average of $354). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Idaho to Boston?
Related info for your journey
Find useful and relevant information for your journey from Idaho to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Boston?
Book flights to Boston if you plan to visit one of these locationsMedford
Cambridge
Concord
Hampton Beach
Watertown
Brockton
Seekonk
Cranston
Chelsea
Warwick
Peabody
Seabrook
York Beach
Londonderry
Swansea
Old Orchard Beach
Quincy
Waltham
Lowell
Braintree
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Boston flight routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for Idaho to Boston
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Boston
Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 28, 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 April 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Idaho to Boston flights
Consider these flights traveling from Idaho to Boston.
Top 5 airlines flying from Idaho to Boston
Discover the top 5 airlines that operate flights from Idaho to Boston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$194 | Average$514 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$228 | Average$536 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$263 | Average$588 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$337 | Average$499 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$376 | Average$478 | FlexibilityNo cancel fee | On-time63% |