$80+ Cheap flights from San Francisco (SFO) to Idaho
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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BOI
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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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 San Francisco to IdahoExplore the most affordable flight options available from San Francisco to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
Explore the most affordable flight options available from San Francisco to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 12/85:35 pm -
1 stop27h 52m
Fri 12/114:47 pm -
1 stop7h 06m
Deal found 10/26![Alaska Airlines logo]()
$223
This Alaska Airlines deal was found by Cheapflights users on 10/25. 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 11/177:04 am -
1 stop5h 26m
Tue 11/248:21 am -
Nonstop2h 07m
Deal found 10/25![Alaska Airlines logo]()
$230
This Alaska Airlines deal was found by Cheapflights users on 10/25. 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.
Thu 12/171:00 pm -
1 stop8h 51m
Sun 12/207:38 am -
Nonstop2h 10m
Deal found 10/25![Alaska Airlines logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Wed 12/237:59 am -
2 stops7h 49m
Wed 12/305:33 pm -
1 stop19h 11m
Deal found 10/27![Frontier logo]()
$251
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 12/247:17 pm -
Nonstop1h 49m
Wed 12/307:38 am -
Nonstop2h 10m
Deal found 10/27![Alaska Airlines logo]()
$252
This Alaska Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/118:40 am -
1 stop5h 20m
Sun 12/137:22 am -
1 stop16h 31m
Deal found 10/29![Alaska Airlines logo]()
$254
This Southwest deal was found by Cheapflights users on 10/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/284:50 pm -
1 stop6h 20m
Thu 12/316:20 am -
1 stop4h 20m
Deal found 10/26![Southwest logo]()
$257
This Expedia deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/249:11 pm -
1 stop20h 49m
Fri 11/278:21 am -
Nonstop2h 07m
Deal found 10/29![Multiple Airlines logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/62:17 pm -
1 stop27h 11m
Mon 12/147:18 pm -
2 stops25h 50m
Deal found 10/29![Multiple Airlines logo]()
$259
This Alaska Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/67:40 am -
1 stop4h 31m
Fri 12/114:47 pm -
1 stop7h 06m
Deal found 10/29![Alaska Airlines logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:23 pm -
1 stop14h 07m
Mon 11/167:47 pm -
2 stops25h 45m
Deal found 10/28![Multiple Airlines logo]()
$270
This Delta deal was found by Cheapflights users on 10/26. 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 12/46:00 am -
1 stop5h 39m
Mon 12/712:19 pm -
2 stops10h 41m
Deal found 10/26![Delta logo]()
$290
Best flights from San Francisco to IdahoDiscover carefully curated flight deals from San Francisco to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from San Francisco to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This Southwest deal was found by Cheapflights users on 10/27. 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.
Sat 2/1311:45 am -
2 stops8h 50m
Thu 2/186:15 pm -
1 stop6h 40m
Deal found 10/27![Southwest logo]()
$252
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/252:02 pm -
Nonstop1h 40m
Wed 12/212:48 pm -
Nonstop1h 58m
Deal found 10/28![United Airlines logo]()
$265
This Delta deal was found by Cheapflights users on 10/26. 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 12/46:00 am -
1 stop5h 39m
Mon 12/712:19 pm -
2 stops10h 41m
Deal found 10/26![Delta logo]()
$290
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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.
Sun 12/207:40 am -
1 stop4h 31m
Fri 12/257:38 am -
Nonstop2h 10m
Deal found 10/27![Alaska Airlines logo]()
$327
This Southwest deal was found by Cheapflights users on 10/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/45:00 am -
1 stop6h 15m
Mon 2/85:05 am -
2 stops7h 05m
Deal found 10/26![Southwest logo]()
$252
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Sun 12/68:15 am -
Nonstop1h 53m
Sun 12/64:24 pm -
Nonstop1h 55m
Deal found 10/27![United Airlines logo]()
$277
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/49:00 am -
2 stops7h 40m
Sun 2/710:20 am -
2 stops7h 25m
Deal found 10/28![Southwest logo]()
$282
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/98:15 am -
Nonstop1h 53m
Wed 12/94:24 pm -
Nonstop1h 55m
Deal found 10/29![United Airlines logo]()
$285
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/192:02 pm -
Nonstop1h 40m
Mon 11/237:10 pm -
Nonstop1h 54m
Deal found 10/28![United Airlines logo]()
$295
This Alaska Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/97:38 am -
1 stop4h 41m
Mon 1/111:56 pm -
1 stop5h 16m
Deal found 10/29![Alaska Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 10/27. 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.
Fri 2/58:58 pm -
1 stop15h 09m
Tue 2/93:23 pm -
2 stops9h 34m
Deal found 10/27![Delta logo]()
$368
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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.
Thu 11/266:00 am -
1 stop8h 09m
Tue 12/13:44 pm -
1 stop18h 16m
Deal found 10/26![Alaska Airlines logo]()
$357
This Southwest deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1912:00 pm -
2 stops8h 40m
Sun 11/226:00 am -
2 stops6h 30m
Deal found 10/29![Southwest logo]()
$329
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/66:05 am -
1 stop6h 02m
Tue 2/97:30 am -
2 stops9h 36m
Deal found 10/28![Delta logo]()
$368
This Alaska Airlines deal was found by Cheapflights users on 10/25. 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.
Sat 12/512:00 pm -
1 stop24h 17m
Sat 12/123:44 pm -
1 stop4h 53m
Deal found 10/25![Alaska Airlines logo]()
$358
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Mon 12/218:13 am -
Nonstop1h 59m
Thu 12/246:05 am -
Nonstop2h 15m
Deal found 10/27![United Airlines logo]()
$327
This Delta deal was found by Cheapflights users on 10/27. 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 2/66:05 am -
2 stops10h 11m
Wed 2/103:23 pm -
2 stops9h 34m
Deal found 10/27![Delta logo]()
$373
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/259:15 am -
1 stop5h 14m
Sun 2/284:00 pm -
1 stop17h 55m
Deal found 10/28![Alaska Airlines logo]()
$362
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/118:15 am -
Nonstop1h 53m
Sat 12/124:24 pm -
Nonstop1h 55m
Deal found 10/29![United Airlines logo]()
$331
This Alaska Airlines deal was found by Cheapflights users on 10/25. 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.
Thu 1/2810:04 am -
1 stop27h 07m
Sun 1/312:53 pm -
1 stop28h 02m
Deal found 10/25![Alaska Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 10/25. 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.
Tue 11/175:50 am -
1 stop5h 54m
Fri 11/209:08 am -
2 stops10h 16m
Deal found 10/25![Delta logo]()
$402
This Delta deal was found by Cheapflights users on 10/25. 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.
Sat 2/276:05 am -
1 stop5h 55m
Sat 3/61:20 pm -
2 stops11h 21m
Deal found 10/25![Delta logo]()
$403
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 2/263:05 pm -
2 stops17h 33m
Wed 3/36:48 pm -
1 stop6h 11m
Deal found 10/27![Alaska Airlines logo]()
$368
This Alaska Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/64:01 pm -
2 stops17h 40m
Tue 2/911:23 am -
1 stop7h 49m
Deal found 10/29![Alaska Airlines logo]()
$368
This Alaska Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/126:43 am -
2 stops11h 12m
Fri 1/152:53 pm -
1 stop18h 59m
Deal found 10/29![Alaska Airlines logo]()
$368
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/410:04 am -
1 stop27h 07m
Mon 2/811:23 am -
1 stop11h 17m
Deal found 10/28![Alaska Airlines logo]()
$373
This Delta deal was found by Cheapflights users on 10/26. 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 11/105:50 am -
1 stop5h 31m
Sat 11/141:17 pm -
1 stop3h 57m
Deal found 10/26![Delta logo]()
$526
This Delta deal was found by Cheapflights users on 10/27. 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 11/115:19 pm -
1 stop4h 00m
Sun 11/156:13 am -
1 stop3h 52m
Deal found 10/27![Delta logo]()
$827
Last-minute flights from San Francisco to IdahoDiscover last-minute flight deals from San Francisco to Idaho. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Idaho. Data last updated October 30, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Wed 11/411:52 pm -
2 stops36h 38m
Mon 11/97:47 pm -
1 stop13h 32m
Deal found 10/27![Multiple Airlines logo]()
$368
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:23 pm -
1 stop14h 07m
Mon 11/167:47 pm -
2 stops25h 45m
Deal found 10/28![Multiple Airlines logo]()
$270
This Alaska Airlines deal was found by Cheapflights users on 10/25. 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 11/177:04 am -
1 stop5h 26m
Tue 11/248:21 am -
Nonstop2h 07m
Deal found 10/25![Alaska Airlines logo]()
$230
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1912:00 pm -
2 stops8h 40m
Mon 11/235:35 am -
1 stop6h 55m
Deal found 10/28![Southwest logo]()
$252
This Alaska Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:47 pm -
Nonstop1h 46m
Sun 11/227:21 pm -
2 stops14h 31m
Deal found 10/29![Alaska Airlines logo]()
$264
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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.
Thu 11/196:40 am -
2 stops7h 44m
Tue 11/248:21 am -
Nonstop2h 07m
Deal found 10/26![Alaska Airlines logo]()
$271
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/212:52 pm -
1 stop6h 04m
Fri 11/278:21 am -
Nonstop2h 07m
Deal found 10/28![Alaska Airlines logo]()
$262
This Expedia deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/249:11 pm -
1 stop20h 49m
Fri 11/278:21 am -
Nonstop2h 07m
Deal found 10/29![Multiple Airlines logo]()
$258
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/252:02 pm -
Nonstop1h 40m
Wed 12/212:48 pm -
Nonstop1h 58m
Deal found 10/28![United Airlines logo]()
$265
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/255:50 pm -
1 stop6h 20m
Wed 12/23:45 pm -
1 stop6h 40m
Deal found 10/28![Southwest logo]()
$281
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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.
Thu 11/266:00 am -
1 stop8h 09m
Tue 12/13:44 pm -
1 stop18h 16m
Deal found 10/26![Alaska Airlines logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Sun 11/299:11 pm -
1 stop16h 31m
Sun 12/64:05 pm -
1 stop26h 29m
Deal found 10/27![Multiple Airlines logo]()
$359
One-way flights from San Francisco to IdahoSearch for one-way flight options from San Francisco to Idaho. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from San Francisco to Idaho. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:30 pm -
1 stop23h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Frontier logo]()
$80
This Frontier deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/310:35 am -
1 stop7h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Frontier logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Wed 11/183:05 pm -
1 stop21h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Frontier logo]()
$87
This SmartFares deal was found by Cheapflights users on 10/27. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:47 pm -
Nonstop1h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Alaska Airlines logo]()
$88
This Cheapflightsfares deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/109:16 pm -
1 stop19h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Frontier logo]()
$89
This Alaska Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:24 pm -
Nonstop1h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Alaska Airlines logo]()
$93
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/312:10 pm -
Nonstop1h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![United Airlines logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Tue 11/175:07 pm -
2 stops43h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/246:30 pm -
1 stop16h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines logo]()
$105
This Delta deal was found by Cheapflights users on 10/26. 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 1/225:31 am -
1 stop6h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Delta logo]()
$168
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Mon 12/144:03 pm -
1 stop5h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![American Airlines logo]()
$181
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/141:13 pm -
2 stops23h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Alaska Airlines logo]()
$184
Find flight deals from San Francisco to Idaho
Keep the following information in mind while searching for San Francisco to Idaho flight deals. Data was last updated October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $178 (Cheapflightsfares) |
One-way from | $80 (Kiwi.com) |
Popular in | May |
Cheapest in | January |
Average price | $338 |
Good round-trip deal | $305 or less |
Good one-way deal | $183 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco to Idaho that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 30, 2026.
Use the filters below to find and compare flights from San Francisco to Idaho that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San FranciscoBoise
SFO San Francisco - BOI Boise Air Term. Gowen Fld
SFOBOI
San Francisco
Thu 12/3
9:25 am-6:00 pm
2 stops7h 35m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$108
Quickest round-trip
San FranciscoBoise
SFO San Francisco - BOI Boise Air Term. Gowen Fld
SFOBOI
San Francisco
Fri 12/4
6:24 pm-8:52 pm
Nonstop1h 28m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$113
San FranciscoBoise
SFO San Francisco - BOI Boise Air Term. Gowen Fld
SFOBOI
San Francisco
Thu 2/11
6:20 pm-8:54 pm
Nonstop1h 34m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$114
San FranciscoBoise
SFO San Francisco - BOI Boise Air Term. Gowen Fld
SFOBOI
San Francisco
Sat 11/21
6:30 pm-9:15 pm
Nonstop1h 45m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$119
San FranciscoBoise
SFO San Francisco - BOI Boise Air Term. Gowen Fld
SFOBOI
San Francisco
Fri 11/27
5:50 am-12:24 pm
1 stop5h 34m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$124
San FranciscoBoise
SFO San Francisco - BOI Boise Air Term. Gowen Fld
SFOBOI
San Francisco
Sun 12/6
10:00 am-9:10 pm
2 stops10h 10m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$160
San FranciscoBoise
SFO San Francisco - BOI Boise Air Term. Gowen Fld
SFOBOI
San Francisco
Tue 12/1
8:20 am-7:55 pm
2 stops10h 35m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$167
San FranciscoBoise
SFO San Francisco - BOI Boise Air Term. Gowen Fld
SFOBOI
San Francisco
Thu 12/10
10:46 am-10:14 pm
2 stops10h 28m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$167
San FranciscoTwin Falls
SFO San Francisco - TWF Twin Falls Joslin
SFOTWF
San Francisco
Fri 1/22
5:31 am-12:33 pm
1 stop6h 02m
Twin Falls Joslin
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$168
San FranciscoTwin Falls
SFO San Francisco - TWF Twin Falls Joslin
SFOTWF
San Francisco
Sat 1/23
5:31 am-12:33 pm
1 stop6h 02m
Twin Falls Joslin
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$168
Showing 1-10 of 57 resultsSorted by cheapest first
Best time to book a flight from San Francisco to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from San Francisco with our price prediction graph.
SFO-BOI
SFO-LWS
SFO-IDA
SFO-SUN
SFO-TWF
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 San Francisco to Idaho
SFO-USID
SFO-BOI
SFO-LWS
SFO-IDA
SFO-SUN
What is the cheapest month to book a flight from San Francisco to Idaho?
Currently, April is the cheapest month in which you can book a flight from San Francisco to Idaho (average of $259). Flying from San Francisco to Idaho in July is currently the most expensive (average of $475). 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.
What is the cheapest time of day to fly from SFO to ID?
Find hourly flight availability from San Francisco to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2026.
One of the essential ways to save on airfare from San Francisco to Idaho is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 31% on airfare.
How much does it cost to fly round-trip from San Francisco to Idaho?
Airfare is below average for this route at the moment.
San Francisco to Idaho flights typically cost between $252 and $448 in January.The cheapest round-trip price found within the last 5 days was $178 on Frontier (Jan 14-Jan 18).
How far ahead should I book a flight from San Francisco to Idaho?
Booking 80 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to Idaho. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest day to fly from San Francisco to Idaho?
Use this chart to determine the cheapest time to fly round-trip from San Francisco to Idaho. Price data was last updated on October 24, 2026.
Travelers seeking maximum savings on their San Francisco to Idaho flight should consider departing on Saturday mornings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Idaho
Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated October 30, 2026.
Read through reviews of airlines operating flights from San Francisco to Idaho, such as Alaska Airlines,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for San Francisco to Idaho
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Idaho by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Francisco to Idaho by cabin class
Find flights from San Francisco to Idaho, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Francisco and Idaho flights
Browse other San Francisco and Idaho flight options. Last updated on October 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
San Francisco to Idaho flights
Consider these flights traveling from San Francisco to Idaho.
Top 3 airlines flying from San Francisco to Idaho
Discover the top 3 airlines that operate flights from San Francisco to Idaho. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$123 | Average$361 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$157 | Average$473 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$310 | Average$508 | FlexibilityNo cancel fee | On-timeN/A |