$74+ Cheap flights from Idaho to San Francisco (SFO)
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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SFO
Oct 16 — Oct 231
Round-trip
1 adult, Economy
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Find cheap flights from Idaho to San Francisco with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 San Francisco
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Cheapest flights from Idaho to San FranciscoExplore the most affordable flight options available from Idaho to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2026.
Explore the most affordable flight options available from Idaho to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/262:50 pm -
1 stop18h 29m
Wed 11/47:14 pm -
1 stop17h 40m
Deal found 9/15![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/292:49 pm -
1 stop23h 03m
Wed 11/43:05 pm -
1 stop21h 49m
Deal found 9/15![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/162:50 pm -
1 stop18h 23m
Wed 10/219:11 am -
1 stop27h 44m
Deal found 9/16![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/292:49 pm -
1 stop18h 30m
Sat 10/313:05 pm -
1 stop22h 49m
Deal found 9/15![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 11/12:49 pm -
1 stop18h 30m
Wed 11/43:05 pm -
1 stop21h 49m
Deal found 9/15![Frontier logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/278:57 am -
Nonstop1h 58m
Wed 11/47:14 pm -
1 stop17h 40m
Deal found 9/15![Multiple Airlines logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/278:57 am -
Nonstop1h 58m
Sat 10/313:05 pm -
1 stop22h 49m
Deal found 9/15![Multiple Airlines logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/308:57 am -
Nonstop1h 58m
Sat 10/313:05 pm -
1 stop22h 49m
Deal found 9/15![Multiple Airlines logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/298:57 am -
Nonstop1h 58m
Wed 11/47:14 pm -
1 stop17h 40m
Deal found 9/15![Multiple Airlines logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/268:57 am -
Nonstop1h 58m
Wed 11/47:14 pm -
1 stop17h 40m
Deal found 9/15![Multiple Airlines logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/298:57 am -
Nonstop1h 58m
Sat 10/313:05 pm -
1 stop22h 49m
Deal found 9/15![Multiple Airlines logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:20 pm -
1 stop12h 53m
Wed 10/287:14 pm -
1 stop23h 24m
Deal found 9/12![Multiple Airlines logo]()
$214
Best flights from Idaho to San FranciscoDiscover carefully curated flight deals from Idaho to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2026.
Discover carefully curated flight deals from Idaho to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 1/1210:02 am -
Nonstop2h 04m
Wed 1/277:00 pm -
1 stop3h 44m
Deal found 9/16![Alaska Airlines logo]()
$235
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:05 am -
1 stop6h 03m
Wed 10/286:20 am -
1 stop4h 18m
Deal found 9/14![Delta logo]()
$241
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/63:55 pm -
1 stop8h 30m
Sat 11/76:30 am -
1 stop5h 10m
Deal found 9/14![Southwest logo]()
$252
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/126:20 am -
Nonstop2h 02m
Sun 2/289:05 pm -
Nonstop1h 54m
Deal found 9/16![United Airlines logo]()
$316
This Alaska Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/1410:02 am -
Nonstop2h 04m
Thu 1/218:40 am -
1 stop4h 51m
Deal found 9/14![Alaska Airlines logo]()
$245
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/3011:32 am -
1 stop5h 46m
Sat 10/315:50 am -
1 stop3h 52m
Deal found 9/15![Delta logo]()
$250
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/187:05 pm -
1 stop6h 35m
Mon 10/194:00 pm -
2 stops8h 05m
Deal found 9/16![Southwest logo]()
$261
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/65:10 am -
1 stop4h 28m
Thu 10/810:35 am -
1 stop6h 23m
Deal found 9/15![Delta logo]()
$260
This Alaska Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/58:57 am -
1 stop4h 59m
Sat 2/207:01 pm -
1 stop3h 57m
Deal found 9/14![Alaska Airlines logo]()
$272
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:40 pm -
2 stops8h 25m
Wed 11/47:00 am -
1 stop5h 50m
Deal found 9/13![Southwest logo]()
$272
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/107:20 pm -
1 stop4h 36m
Mon 10/126:20 am -
1 stop4h 18m
Deal found 9/16![Delta logo]()
$260
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/191:05 pm -
1 stop7h 15m
Sun 11/225:30 pm -
1 stop7h 00m
Deal found 9/13![Southwest logo]()
$297
This Delta deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:49 pm -
1 stop6h 07m
Mon 10/195:50 am -
1 stop3h 52m
Deal found 9/12![Delta logo]()
$277
This Alaska Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/108:57 am -
Nonstop1h 58m
Mon 10/126:35 pm -
Nonstop1h 45m
Deal found 9/15![Alaska Airlines logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 12/101:53 pm -
Nonstop2h 26m
Fri 12/251:29 pm -
Nonstop2h 11m
Deal found 9/16![Alaska Airlines logo]()
$308
This Southwest deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:15 pm -
1 stop6h 55m
Mon 10/196:25 am -
1 stop7h 40m
Deal found 9/11![Southwest logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/252:14 pm -
Nonstop2h 16m
Tue 12/12:00 pm -
Nonstop2h 08m
Deal found 9/12![Alaska Airlines logo]()
$309
This Southwest deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1612:15 pm -
1 stop6h 55m
Sun 10/182:25 pm -
1 stop10h 40m
Deal found 9/11![Southwest logo]()
$327
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:56 pm -
1 stop6h 00m
Tue 10/201:20 pm -
1 stop3h 56m
Deal found 9/13![Delta logo]()
$341
This Alaska Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/121:08 pm -
Nonstop2h 23m
Thu 11/192:58 pm -
Nonstop2h 16m
Deal found 9/14![Alaska Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:35 pm -
Nonstop2h 32m
Sat 10/242:02 pm -
Nonstop2h 25m
Deal found 9/13![United Airlines logo]()
$519
This Delta deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:59 pm -
1 stop4h 40m
Mon 12/76:00 am -
2 stops11h 17m
Deal found 9/12![Delta logo]()
$346
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/168:00 am -
1 stop6h 12m
Sun 10/181:26 pm -
Nonstop2h 13m
Deal found 9/16![United Airlines logo]()
$529
This Alaska Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/316:09 am -
2 stops10h 43m
Sat 11/77:42 am -
1 stop4h 34m
Deal found 9/16![Alaska Airlines logo]()
$360
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 12/912:19 pm -
2 stops7h 59m
Fri 12/256:00 am -
1 stop5h 35m
Deal found 9/16![Delta logo]()
$371
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:35 pm -
Nonstop2h 32m
Sun 10/41:26 pm -
Nonstop2h 13m
Deal found 9/11![United Airlines logo]()
$569
This Alaska Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 12/113:44 pm -
1 stop22h 13m
Mon 12/148:00 am -
1 stop4h 17m
Deal found 9/15![Alaska Airlines logo]()
$362
This Delta deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:04 am -
1 stop4h 05m
Mon 12/76:00 am -
1 stop3h 42m
Deal found 9/12![Delta logo]()
$372
This Alaska Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 12/53:44 pm -
1 stop4h 53m
Wed 12/97:40 am -
1 stop4h 37m
Deal found 9/15![Alaska Airlines logo]()
$362
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:35 pm -
Nonstop2h 32m
Wed 10/72:02 pm -
Nonstop2h 25m
Deal found 9/13![United Airlines logo]()
$604
Last-minute flights from Idaho to San FranciscoDiscover last-minute flight deals from Idaho to San Francisco. Data last updated September 16, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to San Francisco. Data last updated September 16, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/162:50 pm -
1 stop18h 23m
Wed 10/219:11 am -
1 stop27h 44m
Deal found 9/16![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/262:50 pm -
1 stop18h 29m
Wed 11/47:14 pm -
1 stop17h 40m
Deal found 9/15![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/268:57 am -
Nonstop1h 58m
Wed 11/47:14 pm -
1 stop17h 40m
Deal found 9/15![Multiple Airlines logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/268:57 am -
Nonstop1h 58m
Sat 10/313:05 pm -
1 stop22h 49m
Deal found 9/15![Multiple Airlines logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/278:57 am -
Nonstop1h 58m
Wed 11/47:14 pm -
1 stop17h 40m
Deal found 9/15![Multiple Airlines logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/278:57 am -
Nonstop1h 58m
Sat 10/313:05 pm -
1 stop22h 49m
Deal found 9/15![Multiple Airlines logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/292:49 pm -
1 stop23h 03m
Wed 11/43:05 pm -
1 stop21h 49m
Deal found 9/15![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/292:49 pm -
1 stop18h 30m
Sat 10/313:05 pm -
1 stop22h 49m
Deal found 9/15![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/298:57 am -
Nonstop1h 58m
Wed 11/47:14 pm -
1 stop17h 40m
Deal found 9/15![Multiple Airlines logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/298:57 am -
Nonstop1h 58m
Sat 10/313:05 pm -
1 stop22h 49m
Deal found 9/15![Multiple Airlines logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/308:57 am -
Nonstop1h 58m
Sat 10/313:05 pm -
1 stop22h 49m
Deal found 9/15![Multiple Airlines logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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.
Sat 10/311:02 pm -
1 stop4h 10m
Wed 11/47:14 pm -
1 stop17h 40m
Deal found 9/15![Multiple Airlines logo]()
$217
One-way flights from Idaho to San FranciscoSearch for one-way flight options from Idaho to San Francisco. Find affordable one-way fares based on user searches. Data last updated September 16, 2026.
Search for one-way flight options from Idaho to San Francisco. Find affordable one-way fares based on user searches. Data last updated September 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/262:50 pm -
1 stop18h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:50 pm -
2 stops49h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/252:50 pm -
1 stop18h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/122:50 pm -
1 stop18h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$104
This Alaska Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/101:57 pm -
Nonstop2h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Alaska Airlines logo]()
$111
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/76:50 pm -
Nonstop1h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![United Airlines logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/192:50 pm -
2 stops30h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$116
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/86:32 am -
Nonstop2h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![United Airlines logo]()
$118
This Priceline deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/258:57 am -
Nonstop1h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Alaska Airlines logo]()
$119
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/107:20 pm -
1 stop4h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Delta logo]()
$121
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/76:00 am -
1 stop3h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Delta logo]()
$123
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/97:50 am -
1 stop7h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Southwest logo]()
$123
Find flight deals from Idaho to San Francisco
Keep the following information in mind while searching for Idaho to San Francisco flight deals. Data was last updated September 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $141 (Kiwi.com) |
One-way from | $74 (Kiwi.com) |
Popular in | March |
Cheapest in | April |
Average price | $297 |
Good round-trip deal | $374 or less |
Good one-way deal | $200 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho to San Francisco 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 September 16, 2026.
Use the filters below to find and compare flights from Idaho to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SpokaneSan Francisco
GEG Spokane - SFO San Francisco
GEGSFO
Spokane
Sat 10/10
1:57 pm-4:12 pm
Nonstop2h 15m
San Francisco
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$111
BoiseSan Francisco
BOI Boise Air Term. Gowen Fld - SFO San Francisco
BOISFO
Boise Air Term. Gowen Fld
Tue 12/15
6:10 am-7:21 am
Nonstop2h 11m
San Francisco
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$113
BoiseSan Francisco
BOI Boise Air Term. Gowen Fld - SFO San Francisco
BOISFO
Boise Air Term. Gowen Fld
Wed 10/28
8:57 am-9:55 am
Nonstop1h 58m
San Francisco
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$113
BoiseSan Francisco
BOI Boise Air Term. Gowen Fld - SFO San Francisco
BOISFO
Boise Air Term. Gowen Fld
Wed 10/7
8:57 am-9:55 am
Nonstop1h 58m
San Francisco
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$113
BoiseSan Francisco
BOI Boise Air Term. Gowen Fld - SFO San Francisco
BOISFO
Boise Air Term. Gowen Fld
Tue 11/3
1:06 pm-4:07 pm
1 stop4h 01m
San Francisco
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$123
BoiseSan Francisco
BOI Boise Air Term. Gowen Fld - SFO San Francisco
BOISFO
Boise Air Term. Gowen Fld
Tue 12/15
7:55 am-2:00 pm
1 stop7h 05m
San Francisco
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$124
BoiseSan Francisco
BOI Boise Air Term. Gowen Fld - SFO San Francisco
BOISFO
Boise Air Term. Gowen Fld
Tue 11/17
3:45 pm-9:25 pm
2 stops6h 40m
San Francisco
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$128
BoiseSan Francisco
BOI Boise Air Term. Gowen Fld - SFO San Francisco
BOISFO
Boise Air Term. Gowen Fld
Fri 10/23
5:59 am-9:23 am
1 stop4h 24m
San Francisco
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$128
BoiseSan Francisco
BOI Boise Air Term. Gowen Fld - SFO San Francisco
BOISFO
Boise Air Term. Gowen Fld
Thu 10/15
5:40 am-11:20 am
2 stops6h 40m
San Francisco
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$134
SpokaneSan Francisco
GEG Spokane - SFO San Francisco
GEGSFO
Spokane
Tue 12/1
6:05 am-2:55 pm
2 stops8h 50m
San Francisco
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$139
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Idaho to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Idaho with our price prediction graph.
BOI-SFO
GEG-SFO
IDA-SFO
SUN-SFO
JAC-SFO
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 San Francisco
USID-SFO
BOI-SFO
GEG-SFO
IDA-SFO
SUN-SFO
What is the cheapest month to book a flight from Idaho to San Francisco?
Currently, October is the cheapest month in which you can book a flight from Idaho to San Francisco (average of $271). Flying from Idaho to San Francisco in March is currently the most expensive (average of $444). 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 ID to SFO?
Find hourly flight availability from Idaho to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2026.
It’s typically best to fly out from Idaho to San Francisco at noon. Doing so could potentially save you 26% on the flight price compared to flying in the afternoon, which is usually more expensive.
Weekly flight availability from Idaho to San Francisco
Explore weekly flight availability from Idaho to San Francisco. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 16, 2026.
The most flights from USID to SFO are scheduled on a Monday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (11 on average).
How much does it cost to fly round-trip from Idaho to San Francisco?
Airfare is below average for this route at the moment.
Idaho to San Francisco flights typically cost between $224 and $413 in October.The cheapest round-trip price found within the last 5 days was $141 on Frontier (Oct 26-Nov 4).
How far ahead should I book a flight from Idaho to San Francisco?
The best time to book flights from Idaho to San Francisco is 89 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 day to fly from Idaho to San Francisco?
Use this chart to determine the cheapest time to fly round-trip from Idaho to San Francisco. Price data was last updated on September 12, 2026.
Travelers seeking maximum savings on their Idaho to San Francisco flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Related info for your journey
Find useful and relevant information for your journey from Idaho to San Francisco. 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 San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsSouth San Francisco
Santa Clara
Santa Cruz
Walnut Creek
Emeryville
San Bruno
Burlingame
Rancho Cordova
Roseville
Fairfield
Hayward
Cupertino
Newark
San Ramon
Redwood City
Manteca
Vallejo
San Carlos
Turlock
Davis
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 San Francisco
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to San Francisco by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Idaho to San Francisco by cabin class
Find flights from Idaho to San Francisco, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Idaho and San Francisco flights
Browse other Idaho and San Francisco flight options. Last updated on September 16, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Francisco
Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 16, 2026.
Idaho to San Francisco flights
Consider these flights traveling from Idaho to San Francisco.
Top 4 airlines flying from Idaho to San Francisco
Discover the top 4 airlines that operate flights from Idaho to San Francisco. 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 September 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$127 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$117 | Average$383 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$147 | Average$423 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$228 | Average$458 | FlexibilityNo cancel fee | On-timeN/A |