$74+ Cheap flights from San Francisco (SFO) to Idaho
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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BOI
Apr 11 — Apr 181
Round-trip
1 adult, Economy
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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 March 12, 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 March 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:56 pm
SFO
- BOI
Nonstop1h 44m
Hawaiian Airlines
Mon 4/207:40 am
BOI
- SFO
Nonstop2h 00m
Hawaiian Airlines
Deal found 3/8![Hawaiian Airlines logo]()
$148
This Alaska Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/163:05 pm
SFO
- BOI
Nonstop1h 38m
Alaska Airlines
Sat 5/166:54 pm
BOI
- SFO
Nonstop1h 49m
Alaska Airlines
Deal found 3/8![Alaska Airlines logo]()
$152
This Alaska Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/106:56 pm
SFO
- BOI
Nonstop1h 44m
Alaska Airlines
Mon 4/137:40 am
BOI
- SFO
Nonstop2h 00m
Alaska Airlines
Deal found 3/10![Alaska Airlines logo]()
$157
This United Airlines deal was found by Cheapflights users on 3/11. 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.
Sat 4/257:05 pm
SFO
- GEG
Nonstop2h 30m
United Airlines
Sun 4/267:00 am
GEG
- SFO
Nonstop2h 30m
United Airlines
Deal found 3/11![United Airlines logo]()
$162
This United Airlines deal was found by Cheapflights users on 3/11. 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.
Sat 5/161:52 pm
SFO
- BOI
Nonstop1h 56m
United Airlines
Tue 5/1912:30 pm
BOI
- SFO
Nonstop2h 02m
United Airlines
Deal found 3/11![United Airlines logo]()
$163
This flugladen.de deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:56 pm
SFO
- BOI
Nonstop1h 44m
Multiple Airlines
Mon 4/206:04 pm
BOI
- SFO
1 stop6h 55m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$164
This Delta deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/165:59 am
SFO
- BOI
1 stop6h 13m
Delta
Tue 4/215:40 am
BOI
- SFO
1 stop4h 42m
Delta
Deal found 3/8![Delta logo]()
$165
This Delta deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/152:57 pm
SFO
- GEG
1 stop9h 23m
Delta
Wed 4/225:00 am
GEG
- SFO
1 stop4h 22m
Delta
Deal found 3/7![Delta logo]()
$165
This Alaska Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/145:43 pm
SFO
- BOI
1 stop4h 19m
Alaska Airlines
Sat 4/187:40 am
BOI
- SFO
Nonstop2h 00m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$167
This Alaska Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1810:23 am
SFO
- GEG
Nonstop2h 08m
Alaska Airlines
Tue 4/2112:17 pm
GEG
- SFO
Nonstop2h 15m
Alaska Airlines
Deal found 3/8![Alaska Airlines logo]()
$167
This Southwest deal was found by Cheapflights users on 3/11. 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.
Mon 4/273:00 pm
SFO
- BOI
2 stops8h 45m
Southwest
Wed 4/291:05 pm
BOI
- SFO
1 stop6h 25m
Southwest
Deal found 3/11![Southwest logo]()
$169
This Delta deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/281:09 pm
SFO
- GEG
2 stops7h 53m
Delta
Thu 5/77:23 pm
GEG
- SFO
1 stop4h 42m
Delta
Deal found 3/9![Delta logo]()
$170
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 March 12, 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 March 12, 2026.
This United Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1112:31 pm
SFO
- BOI
Nonstop1h 53m
United Airlines
Wed 4/156:15 am
BOI
- SFO
Nonstop2h 04m
United Airlines
Deal found 3/7![United Airlines logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:56 pm
SFO
- BOI
Nonstop1h 44m
Alaska Airlines
Sat 4/187:40 am
BOI
- SFO
Nonstop2h 00m
Alaska Airlines
Deal found 3/8![Alaska Airlines logo]()
$157
This Delta deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/165:55 am
SFO
- GEG
1 stop6h 18m
Delta
Mon 5/187:23 pm
GEG
- SFO
1 stop4h 42m
Delta
Deal found 3/9![Delta logo]()
$165
This Southwest deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/91:50 pm
SFO
- BOI
1 stop7h 15m
Southwest
Mon 5/117:55 pm
BOI
- SFO
1 stop5h 15m
Southwest
Deal found 3/9![Southwest logo]()
$177
This Southwest deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/111:50 pm
SFO
- BOI
1 stop7h 15m
Southwest
Wed 4/153:15 pm
BOI
- SFO
2 stops8h 30m
Southwest
Deal found 3/7![Southwest logo]()
$182
This Alaska Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:45 am
SFO
- GEG
1 stop13h 35m
Alaska Airlines
Tue 5/51:20 pm
GEG
- SFO
Nonstop2h 20m
Alaska Airlines
Deal found 3/10![Alaska Airlines logo]()
$190
This United Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/41:54 pm
SFO
- BOI
Nonstop1h 50m
United Airlines
Sun 6/710:35 am
BOI
- SFO
Nonstop2h 00m
United Airlines
Deal found 3/8![United Airlines logo]()
$223
This Alaska Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/182:42 pm
SFO
- GEG
1 stop8h 10m
Alaska Airlines
Tue 4/216:00 am
GEG
- SFO
1 stop4h 31m
Alaska Airlines
Deal found 3/8![Alaska Airlines logo]()
$212
This United Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/212:10 pm
SFO
- GEG
Nonstop2h 21m
United Airlines
Tue 5/56:00 am
GEG
- SFO
Nonstop2h 28m
United Airlines
Deal found 3/7![United Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/61:45 pm
SFO
- GEG
2 stops9h 10m
Southwest
Sun 5/1010:35 am
GEG
- SFO
1 stop12h 05m
Southwest
Deal found 3/10![Southwest logo]()
$246
This Alaska Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:56 pm
SFO
- BOI
Nonstop1h 44m
Alaska Airlines
Thu 4/236:08 pm
BOI
- SFO
1 stop6h 36m
Alaska Airlines
Deal found 3/10![Alaska Airlines logo]()
$227
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:05 pm
SFO
- GEG
Nonstop2h 30m
United Airlines
Mon 4/2712:35 pm
GEG
- SFO
Nonstop2h 30m
United Airlines
Deal found 3/6![United Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/185:40 am
SFO
- IDA
1 stop4h 07m
Delta
Tue 5/266:54 pm
IDA
- SFO
1 stop6h 03m
Delta
Deal found 3/7![Delta logo]()
$306
This Southwest deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/64:10 pm
SFO
- BOI
2 stops8h 10m
Southwest
Wed 4/86:00 am
BOI
- SFO
1 stop4h 50m
Southwest
Deal found 3/8![Southwest logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:40 am
SFO
- GEG
1 stop4h 06m
Alaska Airlines
Mon 4/277:09 am
GEG
- SFO
1 stop8h 03m
Alaska Airlines
Deal found 3/6![Alaska Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/82:45 pm
SFO
- LWS
2 stops8h 10m
Delta
Sun 5/108:25 am
LWS
- SFO
2 stops10h 55m
Delta
Deal found 3/10![Delta logo]()
$313
This Alaska Airlines deal was found by Cheapflights users on 3/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:00 am
SFO
- IDA
1 stop7h 29m
Alaska Airlines
Sat 5/26:00 am
IDA
- SFO
1 stop17h 28m
Alaska Airlines
Deal found 3/11![Alaska Airlines logo]()
$254
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:25 pm
SFO
- JAC
Nonstop2h 20m
United Airlines
Thu 5/288:00 am
JAC
- SFO
Nonstop2h 26m
United Airlines
Deal found 3/6![United Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/65:40 am
SFO
- SUN
1 stop5h 14m
Delta
Sat 4/117:15 am
SUN
- SFO
1 stop6h 10m
Delta
Deal found 3/10![Delta logo]()
$320
This CheapOair deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1610:20 am
SFO
- GEG
1 stop7h 12m
Alaska Airlines
Fri 4/247:40 pm
GEG
- SFO
1 stop4h 00m
Alaska Airlines
Deal found 3/6![Alaska Airlines logo]()
$263
This Delta deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/175:40 am
SFO
- IDA
1 stop4h 07m
Delta
Sun 5/246:54 pm
IDA
- SFO
1 stop4h 13m
Delta
Deal found 3/7![Delta logo]()
$325
This United Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/410:40 am
SFO
- JAC
Nonstop2h 16m
United Airlines
Sun 4/53:20 pm
JAC
- SFO
Nonstop2h 47m
United Airlines
Deal found 3/9![United Airlines logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/205:43 pm
SFO
- GEG
1 stop5h 09m
Alaska Airlines
Fri 4/241:20 pm
GEG
- SFO
Nonstop2h 20m
Alaska Airlines
Deal found 3/7![Alaska Airlines logo]()
$268
This United Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:00 am
SFO
- JAC
1 stop6h 48m
United Airlines
Wed 6/38:00 am
JAC
- SFO
1 stop5h 30m
United Airlines
Deal found 3/8![United Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 3/12. 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.
Fri 4/35:40 am
SFO
- SUN
1 stop5h 14m
Delta
Tue 4/712:40 pm
SUN
- SFO
1 stop4h 30m
Delta
Deal found 3/12![Delta logo]()
$355
This Delta deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/166:00 am
SFO
- JAC
1 stop3h 49m
Delta
Thu 8/201:10 pm
JAC
- SFO
1 stop6h 25m
Delta
Deal found 3/7![Delta logo]()
$364
This United Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:25 pm
SFO
- JAC
Nonstop2h 20m
United Airlines
Sat 5/308:00 am
JAC
- SFO
Nonstop2h 26m
United Airlines
Deal found 3/7![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/75:40 am
SFO
- JAC
1 stop5h 30m
Delta
Tue 4/141:00 pm
JAC
- SFO
1 stop6h 16m
Delta
Deal found 3/9![Delta logo]()
$378
This Alaska Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/68:59 pm
SFO
- SUN
1 stop13h 19m
Alaska Airlines
Sat 4/1112:00 pm
SUN
- SFO
2 stops21h 51m
Alaska Airlines
Deal found 3/10![Alaska Airlines logo]()
$347
This Delta deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:40 am
SFO
- TWF
1 stop4h 05m
Delta
Tue 6/27:00 pm
TWF
- SFO
1 stop3h 30m
Delta
Deal found 3/8![Delta logo]()
$386
Last-minute flights from San Francisco to IdahoDiscover last-minute flight deals from San Francisco to Idaho. Data last updated March 12, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Idaho. Data last updated March 12, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/106:56 pm
SFO
- BOI
Nonstop1h 44m
Alaska Airlines
Mon 4/137:40 am
BOI
- SFO
Nonstop2h 00m
Alaska Airlines
Deal found 3/10![Alaska Airlines logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/145:43 pm
SFO
- BOI
1 stop4h 19m
Alaska Airlines
Sat 4/187:40 am
BOI
- SFO
Nonstop2h 00m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$167
This Delta deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/152:57 pm
SFO
- GEG
1 stop6h 05m
Delta
Thu 4/235:00 am
GEG
- SFO
1 stop4h 22m
Delta
Deal found 3/7![Delta logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:56 pm
SFO
- BOI
Nonstop1h 44m
Hawaiian Airlines
Mon 4/207:40 am
BOI
- SFO
Nonstop2h 00m
Hawaiian Airlines
Deal found 3/8![Hawaiian Airlines logo]()
$148
This flugladen.de deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:56 pm
SFO
- BOI
Nonstop1h 44m
Multiple Airlines
Mon 4/206:04 pm
BOI
- SFO
1 stop6h 55m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$164
This Delta deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/165:59 am
SFO
- BOI
1 stop6h 13m
Delta
Mon 4/208:59 am
BOI
- SFO
1 stop8h 00m
Delta
Deal found 3/8![Delta logo]()
$165
This Alaska Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1810:23 am
SFO
- GEG
Nonstop2h 08m
Alaska Airlines
Tue 4/2112:17 pm
GEG
- SFO
Nonstop2h 15m
Alaska Airlines
Deal found 3/8![Alaska Airlines logo]()
$167
This Trip.com deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:31 pm
SFO
- BOI
1 stop5h 28m
Alaska Airlines
Wed 4/296:00 am
BOI
- SFO
1 stop5h 56m
Alaska Airlines
Deal found 3/7![Alaska Airlines logo]()
$161
This United Airlines deal was found by Cheapflights users on 3/11. 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.
Sat 4/257:05 pm
SFO
- GEG
Nonstop2h 30m
United Airlines
Sun 4/267:00 am
GEG
- SFO
Nonstop2h 30m
United Airlines
Deal found 3/11![United Airlines logo]()
$162
This Southwest deal was found by Cheapflights users on 3/11. 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.
Mon 4/273:00 pm
SFO
- BOI
2 stops8h 45m
Southwest
Wed 4/291:05 pm
BOI
- SFO
1 stop6h 25m
Southwest
Deal found 3/11![Southwest logo]()
$169
This Southwest deal was found by Cheapflights users on 3/11. 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.
Wed 4/295:55 am
SFO
- GEG
1 stop7h 10m
Southwest
Wed 5/62:25 pm
GEG
- SFO
1 stop8h 20m
Southwest
Deal found 3/11![Southwest logo]()
$151
This Expedia deal was found by Cheapflights users on 3/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/295:57 pm
SFO
- GEG
1 stop4h 52m
Alaska Airlines
Wed 5/61:20 pm
GEG
- SFO
Nonstop2h 20m
Alaska Airlines
Deal found 3/11![Alaska Airlines logo]()
$157
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 March 12, 2026.
Search for one-way flight options from San Francisco to Idaho. Find affordable one-way fares based on user searches. Data last updated March 12, 2026.
This United Airlines deal was found by Cheapflights users on 3/11. 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.
Wed 5/68:50 am
SFO
- GEG
Nonstop2h 26m
United Airlines
Deal found 3/11![United Airlines logo]()
$74
This Southwest deal was found by Cheapflights users on 3/11. 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.
Tue 5/55:55 am
SFO
- GEG
1 stop7h 10m
Southwest
Deal found 3/11![Southwest logo]()
$76
This SmartFares deal was found by Cheapflights users on 3/12. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1210:28 am
SFO
- GEG
Nonstop2h 12m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$77
This United Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/81:50 pm
SFO
- BOI
Nonstop1h 58m
United Airlines
Deal found 3/9![United Airlines logo]()
$79
This Expedia deal was found by Cheapflights users on 3/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/510:28 am
SFO
- GEG
Nonstop2h 12m
Alaska Airlines
Deal found 3/11![Alaska Airlines logo]()
$79
This Alaska Airlines deal was found by Cheapflights users on 3/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:40 am
SFO
- GEG
1 stop4h 06m
Alaska Airlines
Deal found 3/11![Alaska Airlines logo]()
$84
This CheapOair deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/273:05 pm
SFO
- BOI
Nonstop1h 38m
Alaska Airlines
Deal found 3/6![Alaska Airlines logo]()
$85
This CheapOair deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/145:21 pm
SFO
- BOI
1 stop4h 31m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$89
This United Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/249:12 am
SFO
- GEG
Nonstop2h 31m
United Airlines
Deal found 3/10![United Airlines logo]()
$89
This CheapOair deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:00 am
SFO
- GEG
1 stop28h 49m
Frontier
Deal found 3/9![Frontier logo]()
$92
This Southwest deal was found by Cheapflights users on 3/11. 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.
Wed 4/15:55 am
SFO
- BOI
1 stop8h 55m
Southwest
Deal found 3/11![Southwest logo]()
$94
This Southwest deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/75:55 am
SFO
- GEG
1 stop7h 10m
Southwest
Deal found 3/8![Southwest logo]()
$94
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 March 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $148 (Kiwi.com) |
One-way from | $74 (United Airlines) |
Popular in | February |
Cheapest in | April |
Average price | $316 |
Good round-trip deal | $215 or less |
Good one-way deal | $103 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 2,558,603 searches. Data last updated March 12, 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 - BOI
SFOBOI
San Francisco
Sat 4/11
12:31 pm-3:24 pm
Nonstop1h 53m
Boise Air Term. Gowen Fld
Wed 4/15
6:15 am-7:19 am
Nonstop2h 04m
$157
Quickest round-trip
San FranciscoBoise
SFO - BOI
SFOBOI
San Francisco
Tue 4/14
6:56 pm-9:40 pm
Nonstop1h 44m
Boise Air Term. Gowen Fld
Sat 4/18
7:40 am-8:40 am
Nonstop2h 00m
$157
San FranciscoSpokane
SFO - GEG
SFOGEG
San Francisco
Sat 5/16
5:55 am-12:13 pm
1 stop6h 18m
Spokane
Mon 5/18
7:23 pm-12:05 am
1 stop4h 42m
$165
San FranciscoBoise
SFO - BOI
SFOBOI
San Francisco
Sat 5/9
1:50 pm-10:05 pm
1 stop7h 15m
Boise Air Term. Gowen Fld
Mon 5/11
7:55 pm-12:10 am
1 stop5h 15m
$177
San FranciscoBoise
SFO - BOI
SFOBOI
San Francisco
Sat 4/11
1:50 pm-10:05 pm
1 stop7h 15m
Boise Air Term. Gowen Fld
Wed 4/15
3:15 pm-10:45 pm
2 stops8h 30m
$182
San FranciscoSpokane
SFO - GEG
SFOGEG
San Francisco
Sat 5/2
8:45 am-10:20 pm
1 stop13h 35m
Spokane
Tue 5/5
1:20 pm-3:40 pm
Nonstop2h 20m
$190
San FranciscoSpokane
SFO - GEG
SFOGEG
San Francisco
Sat 4/18
2:42 pm-10:52 pm
1 stop8h 10m
Spokane
Tue 4/21
6:00 am-10:31 am
1 stop4h 31m
$212
San FranciscoBoise
SFO - BOI
SFOBOI
San Francisco
Thu 6/4
1:54 pm-4:44 pm
Nonstop1h 50m
Boise Air Term. Gowen Fld
Sun 6/7
10:35 am-11:35 am
Nonstop2h 00m
$223
San FranciscoBoise
SFO - BOI
SFOBOI
San Francisco
Fri 4/17
6:56 pm-9:40 pm
Nonstop1h 44m
Boise Air Term. Gowen Fld
Thu 4/23
6:08 pm-11:44 pm
1 stop6h 36m
$227
San FranciscoSpokane
SFO - GEG
SFOGEG
San Francisco
Sat 5/2
12:10 pm-2:31 pm
Nonstop2h 21m
Spokane
Tue 5/5
6:00 am-8:28 am
Nonstop2h 28m
$237
Showing 1-10 of 60 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-GEG
SFO-IDA
SFO-LWS
SFO-JAC
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-GEG
SFO-IDA
SFO-LWS
What is the cheapest month to book a flight from San Francisco to Idaho?
Currently, August is the cheapest month in which you can book a flight from San Francisco to Idaho (average of $78). Flying from San Francisco to Idaho in December is currently the most expensive (average of $155). 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 March 12, 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 evening tend to be the most expensive. A flight at noon could potentially save you up to 38% on airfare.
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 February 21, 2026.
Travelers seeking maximum savings on their San Francisco to Idaho flight should consider departing on Tuesday at noon when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from San Francisco to Idaho
Explore weekly flight availability from San Francisco to Idaho. 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 March 12, 2026.
The most flights from SFO to USID are scheduled on a Monday (18 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 on average).
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 March 12, 2026.
Read through reviews of airlines operating flights from San Francisco to Idaho, such as Alaska Airlines,Delta, andHawaiian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.0
Overall
8.0
Comfort
7.8
Food
7.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Entertainment
7.0
Overall
8.0
Comfort
7.8
Food
7.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Entertainment
7.0
Overall
8.0
Comfort
7.8
Food
7.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Entertainment
7.0
Overall
8.0
Comfort
7.8
Food
7.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Entertainment
7.0
Overall
8.0
Comfort
7.8
Food
7.1
Crew
8.5
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 March 12, 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 4 airlines flying from San Francisco to Idaho
Discover the top 4 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 2,558,603 searches. Data last updated March 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$68 | Average$213 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$98 | Average$348 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$129 | Average$443 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$137 | Average$342 | FlexibilityNo cancel fee | On-time75% |