$79+ 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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BOI
Mar 15 — Mar 221
1 adult, Economy
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Find cheap flights from San Francisco Bay Area to Idaho 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 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 February 13, 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 February 13, 2026.
This Alaska Airlines deal was found by Cheapflights users on 2/9. 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.
Sat 5/163:03 pm
SFO
- BOI
Nonstop1h 38m
Alaska Airlines
Sat 5/166:49 pm
BOI
- SFO
Nonstop1h 49m
Alaska Airlines
Deal found 2/9![Alaska Airlines logo]()
$152
This Trip.com deal was found by Cheapflights users on 2/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/257:22 pm
SJC
- BOI
Nonstop1h 45m
Multiple Airlines
Mon 3/309:02 am
BOI
- SJC
Nonstop2h 00m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$153
This Southwest deal was found by Cheapflights users on 2/11. 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.
Sun 4/128:05 pm
OAK
- BOI
Nonstop1h 35m
Southwest
Wed 4/1511:35 am
BOI
- OAK
Nonstop1h 45m
Southwest
Deal found 2/11![Southwest logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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 4/207:22 pm
SJC
- BOI
Nonstop1h 45m
Alaska Airlines
Tue 4/2810:22 am
BOI
- SJC
Nonstop1h 55m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$157
This United Airlines deal was found by Cheapflights users on 2/10. 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 3/69:05 pm
SFO
- BOI
Nonstop1h 52m
United Airlines
Sun 3/88:39 am
BOI
- SFO
Nonstop2h 06m
United Airlines
Deal found 2/10![United Airlines logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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.
Tue 4/217:22 pm
SJC
- BOI
Nonstop1h 45m
Alaska Airlines
Wed 4/227:43 am
BOI
- SJC
1 stop5h 20m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$167
This CheapOair deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/67:31 pm
SFO
- BOI
Nonstop1h 44m
Alaska Airlines
Sun 3/85:40 am
BOI
- SFO
1 stop4h 28m
Alaska Airlines
Deal found 2/13![Alaska Airlines logo]()
$167
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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.
Wed 4/159:25 am
SFO
- GEG
Nonstop2h 12m
Alaska Airlines
Wed 4/221:20 pm
GEG
- SFO
Nonstop2h 20m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$167
This CheapOair deal was found by Cheapflights users on 2/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:56 pm
SFO
- BOI
Nonstop1h 44m
Alaska Airlines
Wed 4/157:40 am
BOI
- SFO
Nonstop2h 00m
Alaska Airlines
Deal found 2/11![Alaska Airlines logo]()
$170
This CheapOair deal was found by Cheapflights users on 2/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:20 am
SFO
- GEG
1 stop28h 07m
Frontier
Sun 3/112:59 pm
GEG
- SFO
1 stop19h 04m
Frontier
Deal found 2/10![Frontier logo]()
$171
This Trip.com deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/155:43 pm
SFO
- GEG
1 stop5h 09m
Multiple Airlines
Thu 4/231:20 pm
GEG
- SFO
Nonstop2h 20m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$175
This Alaska Airlines deal was found by Cheapflights users on 2/9. 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.
Wed 3/46:15 am
OAK
- BOI
1 stop4h 25m
Alaska Airlines
Thu 3/56:00 pm
BOI
- OAK
1 stop6h 54m
Alaska Airlines
Deal found 2/9![Alaska Airlines logo]()
$177
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 February 13, 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 February 13, 2026.
This United Airlines deal was found by Cheapflights users on 2/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/169:05 pm
SFO
- BOI
Nonstop1h 52m
United Airlines
Mon 3/2312:59 pm
BOI
- SFO
Nonstop2h 06m
United Airlines
Deal found 2/12![United Airlines logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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.
Tue 4/217:22 pm
SJC
- BOI
Nonstop1h 45m
Alaska Airlines
Fri 4/2410:22 am
BOI
- SJC
Nonstop1h 55m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$157
This Southwest deal was found by Cheapflights users on 2/11. 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.
Sun 4/128:05 pm
OAK
- BOI
Nonstop1h 35m
Southwest
Wed 4/152:00 pm
BOI
- OAK
1 stop4h 05m
Southwest
Deal found 2/11![Southwest logo]()
$167
This Delta deal was found by Cheapflights users on 2/12. 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.
Sat 3/143:37 pm
SJC
- BOI
1 stop4h 58m
Delta
Sat 3/216:15 pm
BOI
- SJC
1 stop4h 21m
Delta
Deal found 2/12![Delta logo]()
$177
This United Airlines deal was found by Cheapflights users on 2/9. 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.
Fri 4/36:25 pm
SFO
- BOI
Nonstop1h 50m
United Airlines
Mon 4/64:05 pm
BOI
- SFO
Nonstop2h 02m
United Airlines
Deal found 2/9![United Airlines logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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.
Wed 4/227:41 pm
SJC
- BOI
Nonstop1h 43m
Alaska Airlines
Thu 4/2310:22 am
BOI
- SJC
Nonstop1h 55m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$157
This United Airlines deal was found by Cheapflights users on 2/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/69:05 pm
SFO
- BOI
Nonstop1h 52m
United Airlines
Mon 3/910:49 am
BOI
- SFO
Nonstop2h 06m
United Airlines
Deal found 2/12![United Airlines logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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.
Wed 4/227:41 pm
SJC
- BOI
Nonstop1h 43m
Alaska Airlines
Sun 4/2610:22 am
BOI
- SJC
Nonstop1h 55m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$157
This Southwest deal was found by Cheapflights users on 2/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:15 am
SFO
- BOI
1 stop6h 55m
Southwest
Tue 4/215:15 pm
BOI
- SFO
1 stop7h 00m
Southwest
Deal found 2/12![Southwest logo]()
$177
This Delta deal was found by Cheapflights users on 2/10. 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.
Wed 4/226:00 am
SJC
- BOI
1 stop5h 02m
Delta
Fri 4/244:55 pm
BOI
- SJC
1 stop6h 42m
Delta
Deal found 2/10![Delta logo]()
$187
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Wed 3/119:05 pm
SFO
- BOI
Nonstop1h 52m
United Airlines
Wed 3/1812:59 pm
BOI
- SFO
Nonstop2h 06m
United Airlines
Deal found 2/10![United Airlines logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 2/9. 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 3/32:48 pm
SJC
- BOI
Nonstop1h 39m
Alaska Airlines
Wed 3/410:25 am
BOI
- SJC
Nonstop1h 53m
Alaska Airlines
Deal found 2/9![Alaska Airlines logo]()
$157
This Southwest deal was found by Cheapflights users on 2/11. 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 4/136:35 pm
OAK
- BOI
1 stop5h 10m
Southwest
Wed 4/1511:35 am
BOI
- OAK
Nonstop1h 45m
Southwest
Deal found 2/11![Southwest logo]()
$180
This United Airlines deal was found by Cheapflights users on 2/11. 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.
Fri 3/139:05 pm
SFO
- BOI
Nonstop1h 52m
United Airlines
Fri 3/2012:59 pm
BOI
- SFO
Nonstop2h 06m
United Airlines
Deal found 2/11![United Airlines logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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 4/207:22 pm
SJC
- BOI
Nonstop1h 45m
Alaska Airlines
Tue 4/2810:22 am
BOI
- SJC
Nonstop1h 55m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$157
This Delta deal was found by Cheapflights users on 2/12. 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.
Sat 3/72:25 pm
SJC
- GEG
1 stop6h 31m
Delta
Mon 3/96:15 am
GEG
- SJC
1 stop4h 42m
Delta
Deal found 2/12![Delta logo]()
$193
This Southwest deal was found by Cheapflights users on 2/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/142:25 pm
OAK
- BOI
Nonstop1h 30m
Southwest
Sat 3/217:50 pm
BOI
- OAK
1 stop5h 20m
Southwest
Deal found 2/12![Southwest logo]()
$185
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/28:10 am
SFO
- BOI
Nonstop1h 56m
United Airlines
Wed 4/812:30 pm
BOI
- SFO
Nonstop2h 02m
United Airlines
Deal found 2/11![United Airlines logo]()
$157
This Delta deal was found by Cheapflights users on 2/12. 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.
Sat 4/259:37 am
SJC
- GEG
1 stop6h 43m
Delta
Tue 4/285:10 pm
GEG
- SJC
1 stop6h 31m
Delta
Deal found 2/12![Delta logo]()
$193
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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.
Wed 4/159:25 am
SFO
- GEG
Nonstop2h 12m
Alaska Airlines
Tue 4/2112:17 pm
GEG
- SFO
Nonstop2h 15m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$167
This Southwest deal was found by Cheapflights users on 2/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/1412:45 pm
OAK
- GEG
Nonstop2h 00m
Southwest
Tue 3/1710:35 am
GEG
- OAK
Nonstop2h 05m
Southwest
Deal found 2/12![Southwest logo]()
$187
This Delta deal was found by Cheapflights users on 2/10. 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.
Sun 4/195:55 am
SFO
- GEG
1 stop4h 50m
Delta
Wed 4/225:00 am
GEG
- SFO
1 stop4h 22m
Delta
Deal found 2/10![Delta logo]()
$197
This United Airlines deal was found by Cheapflights users on 2/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/259:12 am
SFO
- GEG
Nonstop2h 31m
United Airlines
Tue 4/2812:35 pm
GEG
- SFO
Nonstop2h 30m
United Airlines
Deal found 2/12![United Airlines logo]()
$167
This Southwest deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/91:25 pm
SJC
- BOI
2 stops6h 00m
Southwest
Tue 5/125:15 pm
BOI
- SJC
2 stops5h 45m
Southwest
Deal found 2/13![Southwest logo]()
$187
This Alaska Airlines deal was found by Cheapflights users on 2/11. 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 3/46:15 am
OAK
- BOI
1 stop4h 25m
Alaska Airlines
Thu 3/56:00 pm
BOI
- OAK
1 stop6h 54m
Alaska Airlines
Deal found 2/11![Alaska Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 2/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:00 pm
SFO
- GEG
1 stop4h 20m
Delta
Thu 4/305:00 am
GEG
- SFO
1 stop4h 22m
Delta
Deal found 2/11![Delta logo]()
$197
This Southwest deal was found by Cheapflights users on 2/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/35:05 am
SFO
- BOI
1 stop5h 05m
Southwest
Thu 3/57:30 am
BOI
- SFO
1 stop5h 10m
Southwest
Deal found 2/12![Southwest logo]()
$191
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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.
Wed 4/222:44 pm
SJC
- BOI
1 stop7h 18m
Alaska Airlines
Tue 4/287:43 am
BOI
- SJC
1 stop5h 20m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$177
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Tue 3/106:54 pm
SFO
- GEG
Nonstop2h 09m
United Airlines
Sun 3/157:02 am
GEG
- SFO
Nonstop2h 28m
United Airlines
Deal found 2/10![United Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 2/10. 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 4/175:59 am
SFO
- GEG
1 stop4h 46m
Delta
Tue 4/2111:25 am
GEG
- SFO
1 stop4h 34m
Delta
Deal found 2/10![Delta logo]()
$197
Last-minute flights from San Francisco Bay Area to IdahoDiscover last-minute flight deals from San Francisco Bay Area to Idaho. Data last updated February 13, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco Bay Area to Idaho. Data last updated February 13, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 2/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:20 am
SFO
- GEG
1 stop28h 07m
Frontier
Sun 3/112:59 pm
GEG
- SFO
1 stop19h 04m
Frontier
Deal found 2/10![Frontier logo]()
$171
This Alaska Airlines deal was found by Cheapflights users on 2/9. 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 3/32:48 pm
SJC
- BOI
Nonstop1h 39m
Alaska Airlines
Wed 3/410:25 am
BOI
- SJC
Nonstop1h 53m
Alaska Airlines
Deal found 2/9![Alaska Airlines logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 2/9. 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.
Wed 3/46:15 am
OAK
- BOI
1 stop4h 25m
Alaska Airlines
Thu 3/56:00 pm
BOI
- OAK
1 stop6h 54m
Alaska Airlines
Deal found 2/9![Alaska Airlines logo]()
$177
This United Airlines deal was found by Cheapflights users on 2/10. 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 3/69:05 pm
SFO
- BOI
Nonstop1h 52m
United Airlines
Sun 3/88:39 am
BOI
- SFO
Nonstop2h 06m
United Airlines
Deal found 2/10![United Airlines logo]()
$157
This Expedia deal was found by Cheapflights users on 2/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/67:31 pm
SFO
- BOI
Nonstop1h 44m
Alaska Airlines
Mon 3/96:00 pm
BOI
- SFO
1 stop5h 56m
Alaska Airlines
Deal found 2/12![Alaska Airlines logo]()
$167
This CheapOair deal was found by Cheapflights users on 2/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1010:52 am
SFO
- GEG
Nonstop2h 10m
Alaska Airlines
Tue 3/173:45 pm
GEG
- SFO
Nonstop2h 18m
Alaska Airlines
Deal found 2/11![Alaska Airlines logo]()
$167
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Tue 3/106:54 pm
SFO
- GEG
Nonstop2h 09m
United Airlines
Sun 3/157:02 am
GEG
- SFO
Nonstop2h 28m
United Airlines
Deal found 2/10![United Airlines logo]()
$177
This Southwest deal was found by Cheapflights users on 2/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/142:25 pm
OAK
- BOI
Nonstop1h 30m
Southwest
Sat 3/217:50 pm
BOI
- OAK
1 stop5h 20m
Southwest
Deal found 2/12![Southwest logo]()
$185
This Southwest deal was found by Cheapflights users on 2/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/165:40 pm
SFO
- BOI
1 stop6h 40m
Southwest
Mon 3/237:25 pm
BOI
- SFO
1 stop6h 25m
Southwest
Deal found 2/12![Southwest logo]()
$177
This United Airlines deal was found by Cheapflights users on 2/9. 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.
Sun 3/226:54 pm
SFO
- GEG
Nonstop2h 09m
United Airlines
Sat 3/286:00 am
GEG
- SFO
Nonstop2h 22m
United Airlines
Deal found 2/9![United Airlines logo]()
$182
This Trip.com deal was found by Cheapflights users on 2/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/245:21 pm
SFO
- BOI
1 stop4h 31m
Multiple Airlines
Thu 3/266:04 pm
BOI
- SFO
1 stop6h 55m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$178
This Trip.com deal was found by Cheapflights users on 2/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/257:22 pm
SJC
- BOI
Nonstop1h 45m
Multiple Airlines
Mon 3/309:02 am
BOI
- SJC
Nonstop2h 00m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$153
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 February 13, 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 February 13, 2026.
This Southwest deal was found by Cheapflights users on 2/10. 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.
Sun 4/129:10 am
OAK
- BOI
Nonstop1h 30m
Southwest
Deal found 2/10![Southwest logo]()
$79
This United Airlines deal was found by Cheapflights users on 2/11. 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 4/812:31 pm
SFO
- BOI
Nonstop1h 53m
United Airlines
Deal found 2/11![United Airlines logo]()
$79
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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 3/95:01 pm
SJC
- BOI
Nonstop1h 39m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$79
This Southwest deal was found by Cheapflights users on 2/10. 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.
Tue 3/1012:50 pm
OAK
- GEG
Nonstop2h 00m
Southwest
Deal found 2/10![Southwest logo]()
$84
This Alaska Airlines deal was found by Cheapflights users on 2/11. 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 3/249:25 am
SFO
- GEG
Nonstop2h 12m
Alaska Airlines
Deal found 2/11![Alaska Airlines logo]()
$84
This Southwest deal was found by Cheapflights users on 2/9. 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.
Tue 5/125:45 pm
OAK
- BOI
1 stop4h 45m
Southwest
Deal found 2/9![Southwest logo]()
$89
This Southwest deal was found by Cheapflights users on 2/10. 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.
Tue 3/36:10 pm
OAK
- GEG
Nonstop2h 05m
Southwest
Deal found 2/10![Southwest logo]()
$89
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/155:00 pm
SFO
- BOI
1 stop3h 56m
Delta
Deal found 2/12![Delta logo]()
$89
This Delta deal was found by Cheapflights users on 2/10. 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.
Wed 3/111:50 pm
SJC
- BOI
1 stop6h 45m
Delta
Deal found 2/10![Delta logo]()
$89
This Southwest deal was found by Cheapflights users on 2/10. 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.
Mon 4/2010:55 am
OAK
- BOI
Nonstop1h 30m
Southwest
Deal found 2/10![Southwest logo]()
$92
This CheapOair deal was found by Cheapflights users on 2/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/97:31 pm
SFO
- BOI
Nonstop1h 44m
Alaska Airlines
Deal found 2/11![Alaska Airlines logo]()
$92
This CheapOair deal was found by Cheapflights users on 2/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/256:00 am
SFO
- GEG
1 stop28h 47m
Frontier
Deal found 2/11![Frontier logo]()
$92
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 February 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $153 (Trip.com) |
One-way from | $79 (Southwest) |
Popular in | February |
Cheapest in | April |
Average price | $327 |
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 February 13, 2026.
Use the filters below to find and compare flights from San Francisco Bay Area to Idaho that are best for you.
Fly from
San Francisco Bay Area
Fly to
Idaho
Route
Depart
Return
Price
San FranciscoBoise
SFO - BOI
SFOBOI
San Francisco
Mon 3/16
9:05 pm-11:57 pm
Nonstop1h 52m
Boise Air Term. Gowen Fld
Mon 3/23
12:59 pm-2:05 pm
Nonstop2h 06m
$157
San JoseBoise
SJC - BOI
SJCBOI
San Jose
Tue 4/21
7:22 pm-10:07 pm
Nonstop1h 45m
Boise Air Term. Gowen Fld
Fri 4/24
10:22 am-11:17 am
Nonstop1h 55m
$157
San FranciscoBoise
SFO - BOI
SFOBOI
San Francisco
Fri 4/3
6:25 pm-9:15 pm
Nonstop1h 50m
Boise Air Term. Gowen Fld
Mon 4/6
4:05 pm-5:07 pm
Nonstop2h 02m
$157
San JoseBoise
SJC - BOI
SJCBOI
San Jose
Wed 4/22
7:41 pm-10:24 pm
Nonstop1h 43m
Boise Air Term. Gowen Fld
Thu 4/23
10:22 am-11:17 am
Nonstop1h 55m
$157
San FranciscoBoise
SFO - BOI
SFOBOI
San Francisco
Fri 3/6
9:05 pm-11:57 pm
Nonstop1h 52m
Boise Air Term. Gowen Fld
Mon 3/9
10:49 am-11:55 am
Nonstop2h 06m
$157
San JoseBoise
SJC - BOI
SJCBOI
San Jose
Wed 4/22
7:41 pm-10:24 pm
Nonstop1h 43m
Boise Air Term. Gowen Fld
Sun 4/26
10:22 am-11:17 am
Nonstop1h 55m
$157
San FranciscoBoise
SFO - BOI
SFOBOI
San Francisco
Wed 3/11
9:05 pm-11:57 pm
Nonstop1h 52m
Boise Air Term. Gowen Fld
Wed 3/18
12:59 pm-2:05 pm
Nonstop2h 06m
$157
San JoseBoise
SJC - BOI
SJCBOI
San Jose
Tue 3/3
2:48 pm-5:27 pm
Nonstop1h 39m
Boise Air Term. Gowen Fld
Wed 3/4
10:25 am-11:18 am
Nonstop1h 53m
$157
San FranciscoBoise
SFO - BOI
SFOBOI
San Francisco
Fri 3/13
9:05 pm-11:57 pm
Nonstop1h 52m
Boise Air Term. Gowen Fld
Fri 3/20
12:59 pm-2:05 pm
Nonstop2h 06m
$157
San JoseBoise
SJC - BOI
SJCBOI
San Jose
Mon 4/20
7:22 pm-10:07 pm
Nonstop1h 45m
Boise Air Term. Gowen Fld
Tue 4/28
10:22 am-11:17 am
Nonstop1h 55m
$157
Showing 1-10 of 60 results
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.
SFO-BOI
SJC-BOI
OAK-BOI
SJC-GEG
SFO-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
SFO-BOI
SJC-BOI
OAK-BOI
SJC-GEG
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 February 13, 2026.
It’s optimal to fly from San Francisco Bay Area to Idaho at noon. By choosing this option you can save up to 35% 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 February 7, 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. Monday 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 February 13, 2026.
The most flights from zzXIH to USID are scheduled on a Monday (15 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 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 February 13, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta 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.
Crew
8.5
Food
7.1
Overall
8.0
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Crew
8.5
Food
7.1
Overall
8.0
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Crew
8.5
Food
7.1
Overall
8.0
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Crew
8.5
Food
7.1
Overall
8.0
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Crew
8.5
Food
7.1
Overall
8.0
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Crew
8.5
Food
7.1
Overall
8.0
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
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 February 13, 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 February 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$68 | Average$216 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$98 | Average$129 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$98 | Average$369 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$111 | Average$128 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$132 | Average$442 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$147 | Average$351 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$147 | Average$303 | FlexibilityNo cancel fee | On-time63% |