$65+ Cheap flights from San Francisco Bay Area 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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BOI
May 1 — May 81
Round-trip
1 adult, Economy
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Cheapest flights from San Francisco Bay Area to IdahoExplore the most affordable flight options available from San Francisco Bay Area to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2026.
Explore the most affordable flight options available from San Francisco Bay Area to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2026.
This Alaska Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:41 pm
SJC
- BOI
Nonstop1h 43m
Alaska Airlines
Wed 4/2910:22 am
BOI
- SJC
Nonstop1h 55m
Alaska Airlines
Deal found 3/27![Alaska Airlines logo]()
$131
This Southwest deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/246:55 pm
SJC
- BOI
1 stop5h 05m
Southwest
Mon 4/277:55 pm
BOI
- SJC
1 stop5h 00m
Southwest
Deal found 3/27![Southwest logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:56 pm
SFO
- BOI
Nonstop1h 44m
Hawaiian Airlines
Sun 4/197:40 am
BOI
- SFO
Nonstop2h 00m
Hawaiian Airlines
Deal found 3/28![Hawaiian Airlines logo]()
$186
This CheapOair deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/297:00 am
SFO
- GEG
1 stop27h 49m
Frontier
Wed 5/612:33 pm
GEG
- SFO
1 stop11h 50m
Frontier
Deal found 3/31![Frontier logo]()
$191
This Alaska Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:22 pm
SJC
- BOI
Nonstop1h 45m
Alaska Airlines
Thu 4/2310:22 am
BOI
- SJC
Nonstop1h 55m
Alaska Airlines
Deal found 3/29![Alaska Airlines logo]()
$197
This Alaska Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:44 pm
SFO
- BOI
Nonstop1h 43m
Alaska Airlines
Tue 4/289:02 am
BOI
- SFO
Nonstop1h 56m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$197
This Trip.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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.
Thu 4/237:44 pm
SFO
- BOI
Nonstop1h 43m
Alaska Airlines
Sun 4/269:02 am
BOI
- SFO
Nonstop1h 56m
Alaska Airlines
Deal found 3/31![Alaska Airlines logo]()
$200
This CheapOair deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/216:56 pm
SFO
- BOI
Nonstop1h 44m
Alaska Airlines
Fri 4/249:02 am
BOI
- SFO
Nonstop1h 56m
Alaska Airlines
Deal found 3/31![Alaska Airlines logo]()
$202
This Southwest deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2010:55 am
OAK
- BOI
Nonstop1h 30m
Southwest
Tue 4/2111:35 am
BOI
- OAK
Nonstop1h 45m
Southwest
Deal found 3/29![Southwest logo]()
$204
This Alaska Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:44 pm
SFO
- BOI
Nonstop1h 43m
Alaska Airlines
Mon 4/279:02 am
BOI
- SFO
Nonstop1h 56m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$204
This CheapOair deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:25 am
SFO
- GEG
Nonstop2h 12m
Alaska Airlines
Mon 4/2012:17 pm
GEG
- SFO
Nonstop2h 15m
Alaska Airlines
Deal found 3/27![Alaska Airlines logo]()
$205
This Southwest deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/204:30 pm
SJC
- BOI
1 stop7h 15m
Southwest
Thu 4/231:20 pm
BOI
- SJC
Nonstop1h 45m
Southwest
Deal found 3/30![Southwest logo]()
$207
Best flights from San Francisco Bay Area to IdahoDiscover carefully curated flight deals from San Francisco Bay Area to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 1, 2026.
Discover carefully curated flight deals from San Francisco Bay Area to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 1, 2026.
This Alaska Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/287:41 pm
SJC
- BOI
Nonstop1h 43m
Alaska Airlines
Wed 4/2910:22 am
BOI
- SJC
Nonstop1h 55m
Alaska Airlines
Deal found 3/31![Alaska Airlines logo]()
$197
This Southwest deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2911:10 am
OAK
- BOI
1 stop4h 30m
Southwest
Wed 5/611:35 am
BOI
- OAK
Nonstop1h 45m
Southwest
Deal found 3/30![Southwest logo]()
$207
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/27:30 pm
SFO
- GEG
1 stop4h 42m
Delta
Tue 5/125:00 am
GEG
- SFO
1 stop7h 29m
Delta
Deal found 3/30![Delta logo]()
$227
This United Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2312:31 pm
SFO
- BOI
Nonstop1h 56m
United Airlines
Sun 4/269:26 am
BOI
- SFO
Nonstop2h 04m
United Airlines
Deal found 3/30![United Airlines logo]()
$277
This Southwest deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:00 pm
OAK
- BOI
1 stop5h 25m
Southwest
Sat 5/98:50 am
BOI
- OAK
Nonstop1h 45m
Southwest
Deal found 3/28![Southwest logo]()
$207
This Alaska Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/297:44 pm
SFO
- BOI
Nonstop1h 43m
Alaska Airlines
Sat 5/22:57 pm
BOI
- SFO
1 stop7h 26m
Alaska Airlines
Deal found 3/31![Alaska Airlines logo]()
$222
This Southwest deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/276:00 pm
SJC
- BOI
1 stop5h 45m
Southwest
Mon 5/41:20 pm
BOI
- SJC
Nonstop1h 45m
Southwest
Deal found 3/30![Southwest logo]()
$207
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:20 am
SJC
- GEG
1 stop7h 29m
Delta
Tue 5/56:15 am
GEG
- SJC
1 stop4h 40m
Delta
Deal found 3/29![Delta logo]()
$233
This Alaska Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/277:44 pm
SFO
- BOI
Nonstop1h 43m
Alaska Airlines
Wed 4/296:08 pm
BOI
- SFO
1 stop5h 20m
Alaska Airlines
Deal found 3/31![Alaska Airlines logo]()
$232
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 5/264:12 pm
SJC
- GEG
1 stop7h 06m
Delta
Tue 6/24:59 pm
GEG
- SJC
1 stop6h 42m
Delta
Deal found 3/31![Delta logo]()
$233
This Southwest deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/245:50 pm
SJC
- BOI
2 stops6h 10m
Southwest
Mon 4/271:20 pm
BOI
- SJC
Nonstop1h 45m
Southwest
Deal found 3/29![Southwest logo]()
$212
This Southwest deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/246:35 am
SJC
- GEG
1 stop7h 35m
Southwest
Fri 5/15:35 pm
GEG
- SJC
1 stop5h 05m
Southwest
Deal found 3/27![Southwest logo]()
$215
This United Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/912:10 pm
SFO
- GEG
Nonstop2h 21m
United Airlines
Tue 5/126:00 am
GEG
- SFO
Nonstop2h 28m
United Airlines
Deal found 3/30![United Airlines logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/283:18 pm
OAK
- GEG
1 stop7h 02m
Alaska Airlines
Sat 5/212:40 pm
GEG
- OAK
1 stop6h 44m
Alaska Airlines
Deal found 3/27![Alaska Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/164:00 pm
SJC
- GEG
1 stop5h 40m
Delta
Mon 4/206:20 am
GEG
- SJC
1 stop6h 58m
Delta
Deal found 3/29![Delta logo]()
$249
This Southwest deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/71:25 pm
SFO
- BOI
1 stop7h 25m
Southwest
Mon 5/117:55 pm
BOI
- SFO
1 stop5h 15m
Southwest
Deal found 3/27![Southwest logo]()
$217
This United Airlines deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/191:54 pm
SFO
- BOI
Nonstop1h 50m
United Airlines
Sat 6/206:30 am
BOI
- SFO
Nonstop2h 00m
United Airlines
Deal found 3/28![United Airlines logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:15 am
SFO
- GEG
1 stop15h 05m
Alaska Airlines
Wed 5/137:00 am
GEG
- SFO
1 stop5h 21m
Alaska Airlines
Deal found 3/29![Alaska Airlines logo]()
$255
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/285:55 am
OAK
- GEG
1 stop6h 18m
Delta
Thu 4/307:03 pm
GEG
- OAK
1 stop4h 51m
Delta
Deal found 3/27![Delta logo]()
$262
This Southwest deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/275:40 pm
SFO
- BOI
1 stop6h 20m
Southwest
Wed 4/294:05 pm
BOI
- SFO
1 stop7h 40m
Southwest
Deal found 3/31![Southwest logo]()
$217
This United Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:05 pm
SFO
- GEG
Nonstop2h 30m
United Airlines
Sun 4/197:00 am
GEG
- SFO
Nonstop2h 30m
United Airlines
Deal found 3/27![United Airlines logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/247:44 pm
SFO
- BOI
Nonstop1h 43m
Alaska Airlines
Fri 5/19:02 am
BOI
- SFO
Nonstop1h 56m
Alaska Airlines
Deal found 3/31![Alaska Airlines logo]()
$267
This Southwest deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/281:55 pm
OAK
- BOI
Nonstop1h 30m
Southwest
Thu 4/301:20 pm
BOI
- OAK
2 stops7h 45m
Southwest
Deal found 3/31![Southwest logo]()
$224
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/75:55 am
SFO
- GEG
1 stop4h 17m
Delta
Mon 5/117:23 pm
GEG
- SFO
1 stop4h 42m
Delta
Deal found 3/27![Delta logo]()
$282
This United Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 5/126:00 am
GEG
- SFO
Nonstop2h 28m
United Airlines
Deal found 3/30![United Airlines logo]()
$312
This Alaska Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:15 am
SJC
- GEG
1 stop4h 23m
Alaska Airlines
Sat 5/27:27 am
GEG
- SJC
1 stop6h 41m
Alaska Airlines
Deal found 3/27![Alaska Airlines logo]()
$269
This Southwest deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/245:50 pm
SJC
- BOI
2 stops6h 10m
Southwest
Sun 4/265:30 am
BOI
- SJC
1 stop5h 45m
Southwest
Deal found 3/26![Southwest logo]()
$229
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/175:59 am
SFO
- GEG
1 stop4h 46m
Delta
Sat 4/185:00 am
GEG
- SFO
1 stop4h 22m
Delta
Deal found 3/29![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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
1 stop5h 30m
United Airlines
Deal found 3/31![United Airlines logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/298:00 am
SJC
- BOI
1 stop6h 33m
Alaska Airlines
Sat 5/22:57 pm
BOI
- SJC
1 stop4h 52m
Alaska Airlines
Deal found 3/27![Alaska Airlines logo]()
$277
Last-minute flights from San Francisco Bay Area to IdahoDiscover last-minute flight deals from San Francisco Bay Area to Idaho. Data last updated April 1, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco Bay Area to Idaho. Data last updated April 1, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:25 am
SFO
- GEG
Nonstop2h 12m
Alaska Airlines
Mon 4/2012:17 pm
GEG
- SFO
Nonstop2h 15m
Alaska Airlines
Deal found 3/27![Alaska Airlines logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:56 pm
SFO
- BOI
Nonstop1h 44m
Hawaiian Airlines
Sun 4/197:40 am
BOI
- SFO
Nonstop2h 00m
Hawaiian Airlines
Deal found 3/28![Hawaiian Airlines logo]()
$186
This Alaska Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:22 pm
SJC
- BOI
Nonstop1h 45m
Alaska Airlines
Thu 4/2310:22 am
BOI
- SJC
Nonstop1h 55m
Alaska Airlines
Deal found 3/29![Alaska Airlines logo]()
$197
This Southwest deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2010:55 am
OAK
- BOI
Nonstop1h 30m
Southwest
Tue 4/2111:35 am
BOI
- OAK
Nonstop1h 45m
Southwest
Deal found 3/29![Southwest logo]()
$204
This CheapOair deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/216:56 pm
SFO
- BOI
Nonstop1h 44m
Alaska Airlines
Fri 4/249:02 am
BOI
- SFO
Nonstop1h 56m
Alaska Airlines
Deal found 3/31![Alaska Airlines logo]()
$202
This Trip.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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.
Thu 4/237:44 pm
SFO
- BOI
Nonstop1h 43m
Alaska Airlines
Sun 4/269:02 am
BOI
- SFO
Nonstop1h 56m
Alaska Airlines
Deal found 3/31![Alaska Airlines logo]()
$200
This Alaska Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:44 pm
SFO
- BOI
Nonstop1h 43m
Alaska Airlines
Mon 4/279:02 am
BOI
- SFO
Nonstop1h 56m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$204
This Southwest deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/246:55 pm
SJC
- BOI
1 stop5h 05m
Southwest
Mon 4/277:55 pm
BOI
- SJC
1 stop5h 00m
Southwest
Deal found 3/27![Southwest logo]()
$150
This Alaska Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:44 pm
SFO
- BOI
Nonstop1h 43m
Alaska Airlines
Tue 4/289:02 am
BOI
- SFO
Nonstop1h 56m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$197
This Alaska Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:41 pm
SJC
- BOI
Nonstop1h 43m
Alaska Airlines
Wed 4/2910:22 am
BOI
- SJC
Nonstop1h 55m
Alaska Airlines
Deal found 3/27![Alaska Airlines logo]()
$131
This Alaska Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:15 am
SFO
- BOI
1 stop13h 11m
Alaska Airlines
Sat 5/27:43 am
BOI
- SFO
1 stop12h 55m
Alaska Airlines
Deal found 3/26![Alaska Airlines logo]()
$201
This CheapOair deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/297:00 am
SFO
- GEG
1 stop27h 49m
Frontier
Wed 5/612:33 pm
GEG
- SFO
1 stop11h 50m
Frontier
Deal found 3/31![Frontier logo]()
$191
One-way flights from San Francisco Bay Area to IdahoSearch for one-way flight options from San Francisco Bay Area to Idaho. Find affordable one-way fares based on user searches. Data last updated April 1, 2026.
Search for one-way flight options from San Francisco Bay Area to Idaho. Find affordable one-way fares based on user searches. Data last updated April 1, 2026.
This Expedia deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/243:05 pm
SFO
- BOI
Nonstop1h 38m
Alaska Airlines
Deal found 3/26![Alaska Airlines logo]()
$65
This Delta deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/245:55 pm
SFO
- BOI
1 stop4h 09m
Delta
Deal found 3/26![Delta logo]()
$75
This CheapOair deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/512:52 pm
SFO
- GEG
1 stop22h 46m
Frontier
Deal found 3/28![Frontier logo]()
$82
This iWofly deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:43 pm
SFO
- BOI
1 stop15h 25m
Frontier
Deal found 3/28![Frontier logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/610:40 pm
SFO
- GEG
1 stop21h 49m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$93
This Vakatrip deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vakatrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/89:25 am
SFO
- GEG
Nonstop2h 12m
Hawaiian Airlines
Deal found 3/31![Hawaiian Airlines logo]()
$96
This Southwest deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/268:05 pm
OAK
- BOI
Nonstop1h 35m
Southwest
Deal found 3/30![Southwest logo]()
$99
This Alaska Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:41 pm
SJC
- BOI
Nonstop1h 43m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$99
This United Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:10 am
SFO
- BOI
Nonstop1h 56m
United Airlines
Deal found 3/29![United Airlines logo]()
$99
This Trip.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/156:00 am
SFO
- GEG
1 stop28h 49m
Frontier
Deal found 3/31![Frontier logo]()
$99
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 5/2012:30 pm
SFO
- BOI
Nonstop1h 56m
United Airlines
Deal found 3/31![United Airlines logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:00 am
SFO
- BOI
1 stop29h 27m
Frontier
Deal found 3/27![Frontier logo]()
$102
Find flight deals from San Francisco Bay Area to Idaho
Keep the following information in mind while searching for San Francisco Bay Area to Idaho flight deals. Data was last updated April 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $131 (Alaska Airlines) |
One-way from | $65 (Expedia) |
Popular in | March |
Cheapest in | April |
Average price | $197 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco Bay Area 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 April 1, 2026.
Use the filters below to find and compare flights from San Francisco Bay Area to Idaho that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
San JoseBoise
SJC - BOI
SJCBOI
San Jose
Tue 4/28
7:41 pm-10:24 pm
Nonstop1h 43m
Boise Air Term. Gowen Fld
Wed 4/29
10:22 am-11:17 am
Nonstop1h 55m
$197
OaklandBoise
OAK - BOI
OAKBOI
Oakland
Wed 4/29
11:10 am-4:40 pm
1 stop4h 30m
Boise Air Term. Gowen Fld
Wed 5/6
11:35 am-12:20 pm
Nonstop1h 45m
$207
OaklandBoise
OAK - BOI
OAKBOI
Oakland
Wed 5/6
6:00 pm-12:25 am
1 stop5h 25m
Boise Air Term. Gowen Fld
Sat 5/9
8:50 am-9:35 am
Nonstop1h 45m
$207
San JoseBoise
SJC - BOI
SJCBOI
San Jose
Mon 4/27
6:00 pm-12:45 am
1 stop5h 45m
Boise Air Term. Gowen Fld
Mon 5/4
1:20 pm-2:05 pm
Nonstop1h 45m
$207
San JoseBoise
SJC - BOI
SJCBOI
San Jose
Fri 4/24
5:50 pm-1:00 am
2 stops6h 10m
Boise Air Term. Gowen Fld
Mon 4/27
1:20 pm-2:05 pm
Nonstop1h 45m
$212
San JoseSpokane
SJC - GEG
SJCGEG
San Jose
Fri 4/24
6:35 am-2:10 pm
1 stop7h 35m
Spokane
Fri 5/1
5:35 pm-10:40 pm
1 stop5h 05m
$215
San FranciscoBoise
SFO - BOI
SFOBOI
San Francisco
Thu 5/7
1:25 pm-9:50 pm
1 stop7h 25m
Boise Air Term. Gowen Fld
Mon 5/11
7:55 pm-12:10 am
1 stop5h 15m
$217
San FranciscoBoise
SFO - BOI
SFOBOI
San Francisco
Mon 4/27
5:40 pm-1:00 am
1 stop6h 20m
Boise Air Term. Gowen Fld
Wed 4/29
4:05 pm-10:45 pm
1 stop7h 40m
$217
San FranciscoBoise
SFO - BOI
SFOBOI
San Francisco
Wed 4/29
7:44 pm-10:27 pm
Nonstop1h 43m
Boise Air Term. Gowen Fld
Sat 5/2
2:57 pm-9:23 pm
1 stop7h 26m
$222
OaklandBoise
OAK - BOI
OAKBOI
Oakland
Tue 4/28
1:55 pm-4:25 pm
Nonstop1h 30m
Boise Air Term. Gowen Fld
Thu 4/30
1:20 pm-8:05 pm
2 stops7h 45m
$224
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from San Francisco Bay Area to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from San Francisco Bay Area with our price prediction graph.
SJC-BOI
OAK-BOI
SFO-GEG
SFO-BOI
SJC-GEG
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 Bay Area to Idaho
zzXIH-USID
SJC-BOI
OAK-BOI
SFO-GEG
SFO-BOI
What is the cheapest month to book a flight from San Francisco Bay Area to Idaho?
Currently, August is the cheapest month in which you can book a flight from San Francisco Bay Area to Idaho (average of $78). Flying from San Francisco Bay Area 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 XIH to ID?
Find hourly flight availability from San Francisco Bay Area 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 April 1, 2026.
It’s optimal to fly from San Francisco Bay Area to Idaho at noon. By choosing this option you can save up to 41% on the cost of your flight, compared to a flight in the evening.
What is the cheapest day to fly from San Francisco Bay Area to Idaho?
Use this chart to determine the cheapest time to fly round-trip from San Francisco Bay Area to Idaho. Price data was last updated on March 28, 2026.
Travelers seeking maximum savings on their San Francisco Bay Area to Idaho flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from San Francisco Bay Area to Idaho
Explore weekly flight availability from San Francisco Bay Area 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 April 1, 2026.
The most flights from zzXIH to USID are scheduled on a Monday (21 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (11 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 April 1, 2026.
Peruse reviews from past customers who have flown with Southwest,Alaska Airlines, andDelta from San Francisco Bay Area to Idaho to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Related info for your journey
Find useful and relevant information for your journey from San Francisco Bay Area 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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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for San Francisco Bay Area 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 Bay Area to Idaho by cabin class
Find flights from San Francisco Bay Area to Idaho, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Francisco Bay Area and Idaho flights
Browse other San Francisco Bay Area and Idaho flight options. Last updated on April 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Idaho
Find the right flight back to San Francisco Bay Area after your stay in Idaho
San Francisco Bay Area to Idaho flights
Consider these flights traveling from San Francisco Bay Area to Idaho.
Top 7 airlines flying from San Francisco Bay Area to Idaho
Discover the top 7 airlines that operate flights from San Francisco Bay Area 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 April 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$68 | Average$207 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$82 | Average$136 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$95 | Average$113 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$126 | Average$491 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$129 | Average$451 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$137 | Average$300 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$137 | Average$350 | FlexibilityNo cancel fee | On-time75% |