$117+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BOS
Sep 10 — Sep 171
Round-trip
1 adult, Economy
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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 August 11, 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 August 11, 2026.
This Southwest deal was found by Cheapflights users on 8/10. 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.
Thu 11/123:55 pm -
1 stop7h 15m
Mon 11/168:25 am -
1 stop15h 25m
Deal found 8/10![Southwest logo]()
$232
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Tue 10/132:02 pm -
1 stop7h 43m
Tue 10/205:17 am -
1 stop10h 34m
Deal found 8/10![American Airlines logo]()
$233
This Southwest deal was found by Cheapflights users on 8/10. 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.
Tue 11/31:35 pm -
1 stop7h 05m
Tue 11/105:00 am -
1 stop8h 15m
Deal found 8/10![Southwest logo]()
$240
This Delta deal was found by Cheapflights users on 8/10. 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.
Sat 10/311:25 pm -
1 stop7h 34m
Tue 11/105:45 am -
1 stop9h 32m
Deal found 8/10![Delta logo]()
$249
This Southwest deal was found by Cheapflights users on 8/10. 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 11/133:55 pm -
1 stop7h 15m
Mon 11/168:25 am -
1 stop15h 25m
Deal found 8/10![Southwest logo]()
$260
This Delta deal was found by Cheapflights users on 8/10. 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.
Fri 10/166:50 pm -
1 stop9h 35m
Tue 10/206:15 am -
1 stop10h 32m
Deal found 8/10![Delta logo]()
$265
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Fri 10/236:00 am -
1 stop11h 57m
Sat 11/149:20 am -
1 stop9h 05m
Deal found 8/10![United Airlines logo]()
$276
This Southwest deal was found by Cheapflights users on 8/10. 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 10/232:45 pm -
1 stop7h 25m
Sat 11/1411:35 am -
2 stops12h 35m
Deal found 8/10![Southwest logo]()
$277
This Delta deal was found by Cheapflights users on 8/10. 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.
Fri 11/61:00 pm -
1 stop9h 20m
Wed 11/1110:35 am -
1 stop9h 25m
Deal found 8/10![Delta logo]()
$282
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Mon 10/55:29 pm -
1 stop10h 29m
Sat 10/105:54 am -
1 stop10h 39m
Deal found 8/10![American Airlines logo]()
$283
This American Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 8/2812:12 pm -
1 stop7h 54m
Sun 9/67:10 am -
1 stop9h 19m
Deal found 8/6![American Airlines logo]()
$290
This American Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 8/255:40 am -
1 stop11h 02m
Sat 8/296:14 am -
1 stop10h 23m
Deal found 8/6![American Airlines logo]()
$297
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 August 11, 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 August 11, 2026.
This Southwest deal was found by Cheapflights users on 8/10. 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 10/232:45 pm -
1 stop7h 25m
Sat 11/1411:35 am -
2 stops12h 35m
Deal found 8/10![Southwest logo]()
$277
This United Airlines deal was found by Cheapflights users on 8/10. 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 8/3112:24 pm -
1 stop9h 10m
Tue 9/112:27 pm -
2 stops12h 13m
Deal found 8/10![United Airlines logo]()
$348
This Delta deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 9/91:06 pm -
1 stop8h 47m
Mon 9/1411:44 am -
1 stop8h 55m
Deal found 8/8![Delta logo]()
$357
This Alaska Airlines deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 10/218:25 am -
1 stop13h 34m
Mon 10/267:51 am -
1 stop17h 00m
Deal found 8/8![Alaska Airlines logo]()
$371
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Wed 10/146:37 am -
2 stops12h 12m
Wed 10/215:17 am -
1 stop9h 52m
Deal found 8/11![American Airlines logo]()
$470
This United Airlines deal was found by Cheapflights users on 8/10. 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 1/121:45 pm -
1 stop6h 57m
Sat 1/161:50 pm -
1 stop12h 48m
Deal found 8/10![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 8/2112:36 pm -
1 stop9h 49m
Tue 8/2511:29 am -
1 stop10h 45m
Deal found 8/7![Delta logo]()
$368
This Southwest deal was found by Cheapflights users on 8/10. 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.
Thu 12/248:20 am -
1 stop9h 25m
Tue 1/51:10 pm -
2 stops11h 20m
Deal found 8/10![Southwest logo]()
$376
This Alaska Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 10/187:46 pm -
1 stop8h 40m
Wed 10/216:40 pm -
1 stop8h 15m
Deal found 8/7![Alaska Airlines logo]()
$378
This United Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1712:26 pm -
2 stops9h 33m
Fri 10/236:00 am -
1 stop7h 28m
Deal found 8/7![United Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 9/235:49 pm -
1 stop10h 51m
Wed 9/305:55 am -
1 stop10h 03m
Deal found 8/9![Delta logo]()
$377
This Southwest deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 9/91:55 pm -
1 stop7h 15m
Wed 9/162:10 pm -
2 stops11h 20m
Deal found 8/6![Southwest logo]()
$377
This United Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/125:00 am -
2 stops11h 19m
Tue 9/157:05 am -
1 stop8h 18m
Deal found 8/7![United Airlines logo]()
$372
This Delta deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 9/95:10 am -
1 stop7h 43m
Wed 9/164:00 pm -
1 stop10h 59m
Deal found 8/6![Delta logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 10/161:32 pm -
2 stops13h 49m
Sat 10/246:40 pm -
1 stop17h 16m
Deal found 8/7![Alaska Airlines logo]()
$432
This Southwest deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 10/153:50 pm -
1 stop7h 20m
Sun 10/255:00 am -
1 stop7h 40m
Deal found 8/6![Southwest logo]()
$399
This United Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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.
Sun 11/17:00 am -
1 stop11h 24m
Wed 11/46:00 am -
1 stop9h 18m
Deal found 8/6![United Airlines logo]()
$378
This Delta deal was found by Cheapflights users on 8/10. 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.
Sat 9/269:23 am -
1 stop9h 49m
Tue 10/66:05 am -
1 stop9h 14m
Deal found 8/10![Delta logo]()
$379
This American Airlines deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 10/11:58 pm -
1 stop7h 47m
Thu 10/1512:14 pm -
2 stops11h 28m
Deal found 8/8![American Airlines logo]()
$527
This Southwest deal was found by Cheapflights users on 8/10. 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.
Tue 10/1311:20 am -
2 stops10h 35m
Tue 10/202:50 pm -
2 stops11h 00m
Deal found 8/10![Southwest logo]()
$400
This Delta deal was found by Cheapflights users on 8/10. 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.
Wed 10/2112:08 pm -
1 stop9h 50m
Mon 10/261:55 pm -
1 stop10h 02m
Deal found 8/10![Delta logo]()
$386
This United Airlines deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 8/261:37 pm -
1 stop7h 17m
Tue 9/111:34 am -
1 stop10h 17m
Deal found 8/9![United Airlines logo]()
$388
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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.
Sat 9/196:18 am -
2 stops21h 51m
Wed 9/237:12 am -
1 stop10h 08m
Deal found 8/10![Alaska Airlines logo]()
$518
This Delta deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:38 pm -
1 stop7h 53m
Sat 10/311:20 am -
1 stop8h 01m
Deal found 8/8![Delta logo]()
$391
This United Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 12/192:30 pm -
1 stop7h 27m
Wed 12/307:15 am -
1 stop7h 48m
Deal found 8/6![United Airlines logo]()
$423
This Delta deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:56 pm -
2 stops14h 19m
Tue 10/206:05 am -
1 stop8h 17m
Deal found 8/7![Delta logo]()
$414
This United Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/127:55 am -
1 stop9h 15m
Wed 9/162:00 pm -
1 stop9h 37m
Deal found 8/7![United Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Wed 9/98:00 am -
1 stop11h 02m
Wed 9/1612:37 pm -
1 stop8h 50m
Deal found 8/10![United Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 8/10. 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.
Sat 10/311:13 pm -
1 stop8h 46m
Sat 11/2111:00 am -
1 stop7h 27m
Deal found 8/10![Delta logo]()
$443
This Delta deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:56 pm -
1 stop9h 29m
Wed 10/216:00 am -
2 stops14h 16m
Deal found 8/8![Delta logo]()
$444
Last-minute flights from Idaho to BostonDiscover last-minute flight deals from Idaho to Boston. Data last updated August 11, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Boston. Data last updated August 11, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 8/255:40 am -
1 stop11h 02m
Sat 8/296:14 am -
1 stop10h 23m
Deal found 8/6![American Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 8/10. 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 8/251:59 pm -
1 stop9h 26m
Wed 9/26:25 am -
1 stop10h 24m
Deal found 8/10![Delta logo]()
$330
This American Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 8/2812:12 pm -
1 stop7h 54m
Sun 9/67:10 am -
1 stop9h 19m
Deal found 8/6![American Airlines logo]()
$290
This Delta deal was found by Cheapflights users on 8/10. 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.
Mon 8/311:23 pm -
1 stop7h 34m
Sat 9/56:05 am -
1 stop9h 07m
Deal found 8/10![Delta logo]()
$249
This Southwest deal was found by Cheapflights users on 8/10. 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.
Sun 9/66:20 am -
1 stop15h 30m
Fri 9/1811:15 am -
1 stop11h 30m
Deal found 8/10![Southwest logo]()
$308
This Delta deal was found by Cheapflights users on 8/10. 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.
Wed 9/91:06 pm -
1 stop8h 47m
Mon 9/1411:44 am -
1 stop8h 55m
Deal found 8/10![Delta logo]()
$233
This American Airlines deal was found by Cheapflights users on 8/10. 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 9/1012:45 pm -
1 stop8h 45m
Sat 9/198:33 am -
1 stop7h 53m
Deal found 8/10![American Airlines logo]()
$308
This Southwest deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:15 am -
2 stops12h 10m
Thu 9/173:55 pm -
1 stop9h 50m
Deal found 8/9![Southwest logo]()
$325
This Southwest deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 9/182:55 pm -
1 stop7h 40m
Tue 9/229:05 am -
1 stop12h 45m
Deal found 8/9![Southwest logo]()
$318
This Trip.com deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:25 pm -
1 stop7h 44m
Tue 9/297:12 am -
1 stop9h 10m
Deal found 8/8![Alaska Airlines logo]()
$325
This American Airlines deal was found by Cheapflights users on 8/10. 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 9/2412:45 pm -
1 stop8h 45m
Tue 9/298:33 am -
1 stop7h 46m
Deal found 8/10![American Airlines logo]()
$303
This Delta deal was found by Cheapflights users on 8/10. 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.
Fri 9/255:14 pm -
1 stop10h 16m
Tue 9/296:05 am -
1 stop9h 02m
Deal found 8/10![Delta logo]()
$282
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 August 11, 2026.
Search for one-way flight options from Idaho to Boston. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.
This Delta deal was found by Cheapflights users on 8/10. 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.
Mon 8/311:59 pm -
1 stop9h 26m
Deal found 8/10![Delta logo]()
$117
This Delta deal was found by Cheapflights users on 8/10. 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 9/291:25 pm -
1 stop7h 28m
Deal found 8/10![Delta logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/212:50 pm -
2 stops19h 17m
Deal found 8/10![Frontier logo]()
$130
This Southwest deal was found by Cheapflights users on 8/10. 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 9/112:55 pm -
1 stop7h 40m
Deal found 8/10![Southwest logo]()
$134
This Delta deal was found by Cheapflights users on 8/10. 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.
Fri 9/1812:17 pm -
1 stop10h 12m
Deal found 8/10![Delta logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/112:50 pm -
2 stops19h 09m
Deal found 8/10![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 9/142:50 pm -
2 stops19h 17m
Deal found 8/9![Frontier logo]()
$166
This Alaska Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 10/222:06 pm -
1 stop7h 53m
Deal found 8/7![Alaska Airlines logo]()
$172
This Expedia deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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.
Sun 9/67:24 pm -
1 stop7h 45m
Deal found 8/7![Alaska Airlines logo]()
$174
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Wed 9/25:00 am -
2 stops12h 19m
Deal found 8/10![United Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/102:11 pm -
1 stop9h 06m
Deal found 8/7![Delta logo]()
$179
This Expedia deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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.
Sat 9/512:49 pm -
1 stop14h 20m
Deal found 8/6![Alaska Airlines logo]()
$179
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 August 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $232 (Southwest) |
One-way from | $117 (Delta) |
Popular in | April |
Cheapest in | December |
Average price | $447 |
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 August 11, 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
SpokaneBoston
GEG Spokane - BOS Boston Logan Intl
GEGBOS
Spokane
Fri 10/23
2:45 pm-1:10 am
1 stop7h 25m
Boston Logan Intl
Sat 11/14
11:35 am-9:10 pm
2 stops12h 35m
$277
BoiseBoston
BOI Boise Air Term. Gowen Fld - BOS Boston Logan Intl
BOIBOS
Boise Air Term. Gowen Fld
Mon 8/31
12:24 pm-11:34 pm
1 stop9h 10m
Boston Logan Intl
Tue 9/1
12:27 pm-10:40 pm
2 stops12h 13m
$348
BoiseBoston
BOI Boise Air Term. Gowen Fld - BOS Boston Logan Intl
BOIBOS
Boise Air Term. Gowen Fld
Wed 9/9
1:06 pm-11:53 pm
1 stop8h 47m
Boston Logan Intl
Mon 9/14
11:44 am-6:39 pm
1 stop8h 55m
$357
SpokaneBoston
GEG Spokane - BOS Boston Logan Intl
GEGBOS
Spokane
Tue 1/12
1:45 pm-11:42 pm
1 stop6h 57m
Boston Logan Intl
Sat 1/16
1:50 pm-11:38 pm
1 stop12h 48m
$359
SpokaneBoston
GEG Spokane - BOS Boston Logan Intl
GEGBOS
Spokane
Fri 8/21
12:36 pm-1:25 am
1 stop9h 49m
Boston Logan Intl
Tue 8/25
11:29 am-7:14 pm
1 stop10h 45m
$368
BoiseBoston
BOI Boise Air Term. Gowen Fld - BOS Boston Logan Intl
BOIBOS
Boise Air Term. Gowen Fld
Sat 10/17
12:26 pm-11:59 pm
2 stops9h 33m
Boston Logan Intl
Fri 10/23
6:00 am-11:28 am
1 stop7h 28m
$369
BoiseBoston
BOI Boise Air Term. Gowen Fld - BOS Boston Logan Intl
BOIBOS
Boise Air Term. Gowen Fld
Wed 10/21
8:25 am-11:59 pm
1 stop13h 34m
Boston Logan Intl
Mon 10/26
7:51 am-10:51 pm
1 stop17h 00m
$371
SpokaneBoston
GEG Spokane - BOS Boston Logan Intl
GEGBOS
Spokane
Sat 9/12
5:00 am-7:19 pm
2 stops11h 19m
Boston Logan Intl
Tue 9/15
7:05 am-12:23 pm
1 stop8h 18m
$372
BoiseBoston
BOI Boise Air Term. Gowen Fld - BOS Boston Logan Intl
BOIBOS
Boise Air Term. Gowen Fld
Thu 12/24
8:20 am-7:45 pm
1 stop9h 25m
Boston Logan Intl
Tue 1/5
1:10 pm-10:30 pm
2 stops11h 20m
$376
SpokaneBoston
GEG Spokane - BOS Boston Logan Intl
GEGBOS
Spokane
Wed 9/23
5:49 pm-7:40 am
1 stop10h 51m
Boston Logan Intl
Wed 9/30
5:55 am-12:58 pm
1 stop10h 03m
$377
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
IDA-BOS
JAC-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
IDA-BOS
JAC-BOS
What is the cheapest month to book a flight from Idaho to Boston?
Currently, December is the cheapest month in which you can book a flight from Idaho to Boston (average of $340). Flying from Idaho to Boston in April is currently the most expensive (average of $548). 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 below average for this route at the moment.
Idaho to Boston flights typically cost between $371 and $772 in November.The cheapest round-trip price found within the last 5 days was $232 on Southwest (Nov 12-Nov 16).
How far ahead should I book a flight from Idaho to Boston?
The best time to book flights from Idaho to Boston is 21 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
Cambridge
Concord
Brockton
Seekonk
Cranston
Dedham
Warwick
Peabody
Auburn
Chelsea
York Beach
Londonderry
Swansea
Revere
Fitchburg
North Falmouth
Braintree
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.
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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 August 11, 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 August 11, 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 August 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$220 | Average$518 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$263 | Average$562 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$274 | Average$486 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$338 | Average$456 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$357 | Average$498 | FlexibilityNo cancel fee | On-time63% |