$79+ Cheap flights from Idaho to San Francisco (SFO)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SFO
May 23 — May 301
Round-trip
1 adult, Economy
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Find cheap flights from Idaho to San Francisco with Cheapflights
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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 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 April 23, 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 April 23, 2026.
This CheapOair deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:54 pm
BOI
- SFO
Nonstop1h 49m
Alaska Airlines
Sat 5/163:05 pm
SFO
- BOI
Nonstop1h 38m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$157
This Expedia deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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.
Thu 6/46:54 pm
BOI
- SFO
Nonstop1h 49m
Multiple Airlines
Tue 6/96:00 am
SFO
- BOI
1 stop5h 30m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$169
This United Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/237:05 pm
BOI
- SFO
Nonstop1h 53m
United Airlines
Mon 5/258:59 pm
SFO
- BOI
Nonstop1h 56m
United Airlines
Deal found 4/22![United Airlines logo]()
$176
This Delta deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/412:55 pm
BOI
- SFO
1 stop4h 09m
Delta
Tue 6/97:23 pm
SFO
- BOI
1 stop3h 46m
Delta
Deal found 4/21![Delta logo]()
$177
This Southwest deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 6/45:30 am
BOI
- SFO
2 stops6h 50m
Southwest
Tue 6/93:35 pm
SFO
- BOI
1 stop7h 55m
Southwest
Deal found 4/21![Southwest logo]()
$182
This United Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 6/32:05 pm
BOI
- SFO
Nonstop1h 58m
United Airlines
Sat 6/61:54 pm
SFO
- BOI
Nonstop1h 50m
United Airlines
Deal found 4/22![United Airlines logo]()
$188
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:00 am
GEG
- SFO
Nonstop2h 28m
United Airlines
Tue 5/268:10 am
SFO
- GEG
Nonstop2h 17m
United Airlines
Deal found 4/20![United Airlines logo]()
$189
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1312:55 pm
BOI
- SFO
1 stop4h 03m
Delta
Tue 5/195:40 am
SFO
- BOI
1 stop5h 16m
Delta
Deal found 4/23![Delta logo]()
$196
This Alaska Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:12 pm
BOI
- SFO
1 stop16h 21m
Alaska Airlines
Thu 5/283:05 pm
SFO
- BOI
Nonstop1h 38m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$197
This Expedia deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 5/191:50 pm
GEG
- SFO
Nonstop2h 14m
Alaska Airlines
Wed 5/2012:33 pm
SFO
- GEG
Nonstop2h 07m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$198
This United Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/237:05 pm
BOI
- SFO
Nonstop1h 53m
United Airlines
Tue 5/268:59 pm
SFO
- BOI
Nonstop1h 56m
United Airlines
Deal found 4/21![United Airlines logo]()
$201
This Southwest deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 6/44:25 pm
BOI
- SFO
1 stop8h 00m
Southwest
Sun 6/76:50 pm
SFO
- BOI
1 stop5h 30m
Southwest
Deal found 4/21![Southwest logo]()
$202
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 April 23, 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 April 23, 2026.
This Alaska Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:12 pm
BOI
- SFO
1 stop16h 21m
Alaska Airlines
Thu 5/283:05 pm
SFO
- BOI
Nonstop1h 38m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$197
This United Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 6/57:05 pm
BOI
- SFO
Nonstop1h 53m
United Airlines
Sun 6/71:54 pm
SFO
- BOI
Nonstop1h 50m
United Airlines
Deal found 4/21![United Airlines logo]()
$207
This Southwest deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 5/306:30 am
BOI
- SFO
2 stops7h 05m
Southwest
Tue 6/210:05 am
SFO
- BOI
1 stop5h 35m
Southwest
Deal found 4/22![Southwest logo]()
$223
This Delta deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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 5/276:54 pm
IDA
- SFO
1 stop6h 33m
Delta
Mon 6/15:40 am
SFO
- IDA
1 stop4h 07m
Delta
Deal found 4/18![Delta logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 6/2610:56 pm
IDA
- SFO
1 stop10h 55m
Multiple Airlines
Sun 6/2810:58 pm
SFO
- IDA
1 stop16h 10m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$333
This Southwest deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” 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 5/91:55 pm
BOI
- SFO
1 stop5h 40m
Southwest
Sun 5/106:00 am
SFO
- BOI
1 stop6h 40m
Southwest
Deal found 4/19![Southwest logo]()
$227
This Southwest deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 6/57:40 pm
BOI
- SFO
1 stop5h 50m
Southwest
Sun 6/76:50 pm
SFO
- BOI
1 stop5h 30m
Southwest
Deal found 4/21![Southwest logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:08 pm
BOI
- SFO
1 stop5h 20m
Alaska Airlines
Thu 5/143:05 pm
SFO
- BOI
Nonstop1h 38m
Alaska Airlines
Deal found 4/22![Alaska Airlines logo]()
$255
This United Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 5/156:00 am
GEG
- SFO
Nonstop2h 28m
United Airlines
Mon 5/188:50 am
SFO
- GEG
Nonstop2h 26m
United Airlines
Deal found 4/22![United Airlines logo]()
$276
This Alaska Airlines deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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 5/105:50 am
BOI
- SFO
1 stop4h 14m
Alaska Airlines
Wed 5/133:05 pm
SFO
- BOI
Nonstop1h 38m
Alaska Airlines
Deal found 4/18![Alaska Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/135:30 am
GEG
- SFO
2 stops8h 00m
Southwest
Mon 8/1710:50 am
SFO
- GEG
1 stop6h 05m
Southwest
Deal found 4/20![Southwest logo]()
$256
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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 5/225:00 am
GEG
- SFO
1 stop4h 34m
Delta
Mon 5/255:55 am
SFO
- GEG
1 stop6h 18m
Delta
Deal found 4/20![Delta logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 5/276:54 pm
BOI
- SFO
Nonstop1h 49m
Alaska Airlines
Wed 6/36:16 am
SFO
- BOI
2 stops8h 18m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$269
This Southwest deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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 5/158:50 am
BOI
- SFO
1 stop6h 45m
Southwest
Sat 5/166:15 am
SFO
- BOI
1 stop6h 55m
Southwest
Deal found 4/18![Southwest logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/79:02 am
BOI
- SFO
Nonstop1h 56m
Alaska Airlines
Wed 5/133:05 pm
SFO
- BOI
Nonstop1h 38m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$270
This Delta deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 5/191:15 pm
JAC
- SFO
1 stop3h 43m
Delta
Mon 6/14:59 pm
SFO
- JAC
1 stop3h 30m
Delta
Deal found 4/22![Delta logo]()
$337
This Southwest deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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 6/55:10 pm
GEG
- SFO
1 stop7h 20m
Southwest
Sun 6/75:05 am
SFO
- GEG
1 stop6h 50m
Southwest
Deal found 4/20![Southwest logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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 5/77:27 am
GEG
- SFO
1 stop6h 46m
Alaska Airlines
Mon 5/117:15 am
SFO
- GEG
1 stop15h 05m
Alaska Airlines
Deal found 4/20![Alaska Airlines logo]()
$274
This United Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 6/258:00 am
JAC
- SFO
Nonstop2h 26m
United Airlines
Sun 6/286:00 am
SFO
- JAC
1 stop6h 48m
United Airlines
Deal found 4/22![United Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/157:07 pm
IDA
- SFO
1 stop5h 51m
Delta
Wed 7/156:00 am
SFO
- IDA
1 stop3h 44m
Delta
Deal found 4/23![Delta logo]()
$354
This Southwest deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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 6/45:30 am
BOI
- SFO
1 stop7h 30m
Southwest
Thu 6/114:00 pm
SFO
- BOI
1 stop6h 55m
Southwest
Deal found 4/20![Southwest logo]()
$277
This Alaska Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/151:50 pm
GEG
- SFO
Nonstop2h 14m
Alaska Airlines
Mon 5/185:41 pm
SFO
- GEG
1 stop28h 04m
Alaska Airlines
Deal found 4/22![Alaska Airlines logo]()
$278
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/47:45 am
JAC
- SFO
1 stop5h 34m
Delta
Thu 6/111:20 pm
SFO
- JAC
1 stop7h 00m
Delta
Deal found 4/20![Delta logo]()
$358
This United Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 5/278:00 am
JAC
- SFO
Nonstop2h 26m
United Airlines
Sat 5/306:10 pm
SFO
- JAC
Nonstop2h 20m
United Airlines
Deal found 4/22![United Airlines logo]()
$397
This Alaska Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/82:57 pm
BOI
- SFO
1 stop7h 26m
Alaska Airlines
Wed 5/133:05 pm
SFO
- BOI
Nonstop1h 38m
Alaska Airlines
Deal found 4/20![Alaska Airlines logo]()
$280
This Southwest deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” 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 5/235:10 am
GEG
- SFO
2 stops7h 25m
Southwest
Sun 5/242:35 pm
SFO
- GEG
2 stops7h 20m
Southwest
Deal found 4/19![Southwest logo]()
$286
This Delta deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/35:59 pm
JAC
- SFO
1 stop4h 31m
Delta
Wed 6/101:20 pm
SFO
- JAC
1 stop7h 00m
Delta
Deal found 4/19![Delta logo]()
$358
This United Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:00 am
JAC
- SFO
Nonstop2h 26m
United Airlines
Tue 6/26:25 pm
SFO
- JAC
Nonstop2h 20m
United Airlines
Deal found 4/19![United Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/176:00 am
IDA
- SFO
1 stop3h 53m
Delta
Tue 5/265:40 am
SFO
- IDA
1 stop4h 07m
Delta
Deal found 4/20![Delta logo]()
$360
This Southwest deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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 5/75:50 am
GEG
- SFO
2 stops7h 55m
Southwest
Mon 5/115:40 pm
SFO
- GEG
1 stop6h 50m
Southwest
Deal found 4/20![Southwest logo]()
$305
Last-minute flights from Idaho to San FranciscoDiscover last-minute flight deals from Idaho to San Francisco. Data last updated April 23, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to San Francisco. Data last updated April 23, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/124:20 pm
BOI
- SFO
Nonstop2h 02m
United Airlines
Sat 5/168:25 am
SFO
- BOI
Nonstop2h 02m
United Airlines
Deal found 4/18![United Airlines logo]()
$207
This CheapOair deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:54 pm
BOI
- SFO
Nonstop1h 49m
Alaska Airlines
Sat 5/163:05 pm
SFO
- BOI
Nonstop1h 38m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$157
This Delta deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 5/1312:55 pm
BOI
- SFO
1 stop4h 03m
Delta
Fri 5/157:00 pm
SFO
- BOI
1 stop4h 04m
Delta
Deal found 4/22![Delta logo]()
$177
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1312:55 pm
BOI
- SFO
1 stop4h 03m
Delta
Tue 5/195:40 am
SFO
- BOI
1 stop5h 16m
Delta
Deal found 4/23![Delta logo]()
$196
This Alaska Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:54 pm
BOI
- SFO
Nonstop1h 49m
Alaska Airlines
Tue 5/1912:33 pm
SFO
- BOI
1 stop3h 55m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$206
This United Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 5/178:28 am
BOI
- SFO
Nonstop2h 02m
United Airlines
Sat 5/238:59 pm
SFO
- BOI
Nonstop1h 56m
United Airlines
Deal found 4/22![United Airlines logo]()
$182
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:00 am
GEG
- SFO
Nonstop2h 28m
United Airlines
Tue 5/268:10 am
SFO
- GEG
Nonstop2h 17m
United Airlines
Deal found 4/20![United Airlines logo]()
$189
This Expedia deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 5/191:50 pm
GEG
- SFO
Nonstop2h 14m
Alaska Airlines
Wed 5/2012:33 pm
SFO
- GEG
Nonstop2h 07m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$198
This Trip.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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 5/191:50 pm
GEG
- SFO
Nonstop2h 14m
Alaska Airlines
Tue 5/2612:33 pm
SFO
- GEG
Nonstop2h 07m
Alaska Airlines
Deal found 4/20![Alaska Airlines logo]()
$202
This United Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/237:05 pm
BOI
- SFO
Nonstop1h 53m
United Airlines
Mon 5/258:59 pm
SFO
- BOI
Nonstop1h 56m
United Airlines
Deal found 4/22![United Airlines logo]()
$176
This United Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/237:05 pm
BOI
- SFO
Nonstop1h 53m
United Airlines
Tue 5/268:59 pm
SFO
- BOI
Nonstop1h 56m
United Airlines
Deal found 4/21![United Airlines logo]()
$201
This Alaska Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:12 pm
BOI
- SFO
1 stop16h 21m
Alaska Airlines
Thu 5/283:05 pm
SFO
- BOI
Nonstop1h 38m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$197
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 April 23, 2026.
Search for one-way flight options from Idaho to San Francisco. Find affordable one-way fares based on user searches. Data last updated April 23, 2026.
This United Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 6/57:05 pm
BOI
- SFO
Nonstop1h 53m
United Airlines
Deal found 4/21![United Airlines logo]()
$79
This Delta deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/510:50 am
BOI
- SFO
1 stop6h 14m
Delta
Deal found 4/21![Delta logo]()
$89
This United Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 5/136:00 am
GEG
- SFO
Nonstop2h 28m
United Airlines
Deal found 4/21![United Airlines logo]()
$95
This Frontier deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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.
Tue 6/21:25 pm
BOI
- SFO
1 stop11h 58m
Frontier
Deal found 4/20![Frontier logo]()
$96
This Alaska Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/129:02 am
BOI
- SFO
Nonstop1h 56m
Alaska Airlines
Deal found 4/22![Alaska Airlines logo]()
$98
This Expedia deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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 6/301:25 pm
BOI
- SFO
1 stop12h 02m
Frontier
Deal found 4/18![Frontier logo]()
$101
This CheapOair deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:54 pm
BOI
- SFO
Nonstop1h 49m
Alaska Airlines
Deal found 4/20![Alaska Airlines logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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 5/1510:21 pm
IDA
- SFO
1 stop11h 09m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$104
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:00 am
GEG
- SFO
Nonstop2h 28m
United Airlines
Deal found 4/20![United Airlines logo]()
$104
This Delta deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 5/137:25 am
GEG
- SFO
1 stop5h 04m
Delta
Deal found 4/21![Delta logo]()
$105
This Delta deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 5/126:41 pm
BOI
- SFO
1 stop6h 46m
Delta
Deal found 4/22![Delta logo]()
$108
This Southwest deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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 6/105:35 am
GEG
- SFO
2 stops8h 40m
Southwest
Deal found 4/20![Southwest logo]()
$110
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 April 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $157 (CheapOair) |
One-way from | $79 (United Airlines) |
Popular in | March |
Cheapest in | October |
Average price | $253 |
Good round-trip deal | $329 or less |
Good one-way deal | $153 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 2,558,603 searches. Data last updated April 23, 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
BoiseSan Francisco
BOI - SFO
BOISFO
Boise Air Term. Gowen Fld
Tue 5/26
6:12 pm-9:33 am
1 stop16h 21m
San Francisco
Thu 5/28
3:05 pm-5:43 pm
Nonstop1h 38m
$197
BoiseSan Francisco
BOI - SFO
BOISFO
Boise Air Term. Gowen Fld
Fri 6/5
7:05 pm-7:58 pm
Nonstop1h 53m
San Francisco
Sun 6/7
1:54 pm-4:44 pm
Nonstop1h 50m
$207
BoiseSan Francisco
BOI - SFO
BOISFO
Boise Air Term. Gowen Fld
Sat 5/30
6:30 am-12:35 pm
2 stops7h 05m
San Francisco
Tue 6/2
10:05 am-4:40 pm
1 stop5h 35m
$223
BoiseSan Francisco
BOI - SFO
BOISFO
Boise Air Term. Gowen Fld
Sat 5/9
1:55 pm-6:35 pm
1 stop5h 40m
San Francisco
Sun 5/10
6:00 am-1:40 pm
1 stop6h 40m
$227
BoiseSan Francisco
BOI - SFO
BOISFO
Boise Air Term. Gowen Fld
Fri 6/5
7:40 pm-12:30 am
1 stop5h 50m
San Francisco
Sun 6/7
6:50 pm-1:20 am
1 stop5h 30m
$227
BoiseSan Francisco
BOI - SFO
BOISFO
Boise Air Term. Gowen Fld
Fri 5/8
6:08 pm-10:28 pm
1 stop5h 20m
San Francisco
Thu 5/14
3:05 pm-5:43 pm
Nonstop1h 38m
$255
SpokaneSan Francisco
GEG - SFO
GEGSFO
Spokane
Thu 8/13
5:30 am-1:30 pm
2 stops8h 00m
San Francisco
Mon 8/17
10:50 am-4:55 pm
1 stop6h 05m
$256
BoiseSan Francisco
BOI - SFO
BOISFO
Boise Air Term. Gowen Fld
Sun 5/10
5:50 am-9:04 am
1 stop4h 14m
San Francisco
Wed 5/13
3:05 pm-5:43 pm
Nonstop1h 38m
$257
BoiseSan Francisco
BOI - SFO
BOISFO
Boise Air Term. Gowen Fld
Fri 5/15
8:50 am-2:35 pm
1 stop6h 45m
San Francisco
Sat 5/16
6:15 am-2:10 pm
1 stop6h 55m
$257
SpokaneSan Francisco
GEG - SFO
GEGSFO
Spokane
Fri 6/5
5:10 pm-12:30 am
1 stop7h 20m
San Francisco
Sun 6/7
5:05 am-11:55 am
1 stop6h 50m
$267
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
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
JAC-SFO
What is the cheapest month to book a flight from Idaho to San Francisco?
Currently, August is the cheapest month in which you can book a flight from Idaho to San Francisco (average of $46). Flying from Idaho to San Francisco in February is currently the most expensive (average of $147). 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 April 23, 2026.
It’s typically best to fly out from Idaho to San Francisco at noon. Doing so could potentially save you 22% on the flight price compared to flying in the morning, which is usually more expensive.
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 April 18, 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.
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 April 23, 2026.
The most flights from USID to SFO are scheduled on a Thursday (19 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 on average).
How much does it cost to fly round-trip from Idaho to San Francisco?
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 Cruz
Santa Clara
Rancho Cordova
San Bruno
Watsonville
San Ramon
Union City
Emeryville
Newark
Vacaville
Roseville
San Carlos
Redwood City
Sunnyvale
Turlock
San Lorenzo
Davis
Manteca
Elk Grove
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
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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 April 23, 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 April 23, 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 2,558,603 searches. Data last updated April 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$63 | Average$157 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$121 | Average$350 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$127 | Average$369 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$179 | Average$416 | FlexibilityNo cancel fee | On-timeN/A |