$40+ Cheap flights from Boise (BOI) to California
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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LAX
Aug 18 — Aug 251
Round-trip
1 adult, Economy
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Cheapest flights from Boise to CaliforniaExplore the most affordable flight options available from Boise to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 19, 2026.
Explore the most affordable flight options available from Boise to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” 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 9/283:52 pm
BOI
- SFO
1 stop19h 54m
Frontier
Wed 9/3011:42 am
SFO
- BOI
1 stop26h 15m
Frontier
Deal found 7/17![Frontier logo]()
$147
This Frontier deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:52 pm
BOI
- LAS
Nonstop1h 51m
Frontier
Sun 10/412:01 pm
LAS
- BOI
Nonstop1h 56m
Frontier
Deal found 7/19![Frontier logo]()
$156
This SmartFares deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/174:15 pm
BOI
- LAS
Nonstop1h 57m
Alaska Airlines
Wed 8/193:11 pm
LAS
- BOI
Nonstop1h 58m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$157
This Frontier deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/293:52 pm
BOI
- LAS
Nonstop1h 51m
Frontier
Sun 11/112:01 pm
LAS
- BOI
Nonstop1h 56m
Frontier
Deal found 7/18![Frontier logo]()
$158
This Cheapflightsfares deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/82:14 pm
BOI
- SNA
Nonstop2h 19m
Allegiant Air
Sat 8/1510:13 am
SNA
- BOI
Nonstop2h 11m
Allegiant Air
Deal found 7/16![Allegiant Air logo]()
$158
This CheapTickets deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/291:30 pm
BOI
- LAS
Nonstop2h 01m
Alaska Airlines
Sat 9/53:11 pm
LAS
- BOI
Nonstop1h 58m
Alaska Airlines
Deal found 7/14![Alaska Airlines logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/103:52 pm
BOI
- LAS
Nonstop1h 51m
Multiple Airlines
Thu 9/174:20 pm
LAS
- BOI
1 stop5h 07m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/24:37 pm
BOI
- SNA
Nonstop2h 14m
Allegiant Air
Thu 11/52:45 pm
SNA
- BOI
Nonstop2h 08m
Allegiant Air
Deal found 7/16![Allegiant Air logo]()
$160
This Cheapflightsfares deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:44 pm
BOI
- SNA
Nonstop2h 14m
Allegiant Air
Sun 10/182:02 pm
SNA
- BOI
Nonstop2h 06m
Allegiant Air
Deal found 7/19![Allegiant Air logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/812:23 pm
BOI
- LAS
2 stops11h 07m
Frontier
Mon 10/1212:01 pm
LAS
- BOI
Nonstop1h 56m
Frontier
Deal found 7/16![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:59 pm
BOI
- LAS
2 stops10h 31m
Frontier
Thu 9/1712:01 pm
LAS
- BOI
Nonstop1h 56m
Frontier
Deal found 7/16![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/303:52 pm
BOI
- LAX
1 stop21h 05m
Frontier
Wed 11/49:56 pm
LAX
- BOI
1 stop16h 01m
Frontier
Deal found 7/16![Frontier logo]()
$164
Best flights from Boise to CaliforniaDiscover carefully curated flight deals from Boise to California that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 19, 2026.
Discover carefully curated flight deals from Boise to California that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 19, 2026.
This Southwest deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:50 pm
BOI
- LAS
Nonstop1h 55m
Southwest
Mon 9/148:50 pm
LAS
- BOI
Nonstop1h 45m
Southwest
Deal found 7/18![Southwest logo]()
$183
This Alaska Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/144:15 pm
BOI
- LAS
Nonstop1h 57m
Alaska Airlines
Mon 8/175:52 pm
LAS
- BOI
Nonstop1h 51m
Alaska Airlines
Deal found 7/14![Alaska Airlines logo]()
$183
This Delta deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:45 pm
BOI
- LAS
1 stop6h 10m
Delta
Wed 8/195:02 pm
LAS
- BOI
1 stop5h 57m
Delta
Deal found 7/15![Delta logo]()
$189
This United Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:15 am
BOI
- SFO
Nonstop2h 03m
United Airlines
Sun 8/238:15 am
SFO
- BOI
Nonstop1h 51m
United Airlines
Deal found 7/19![United Airlines logo]()
$212
This Alaska Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:00 am
BOI
- SMF
Nonstop1h 30m
Alaska Airlines
Mon 8/241:07 pm
SMF
- BOI
Nonstop1h 25m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$187
This Southwest deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” 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 8/246:00 am
BOI
- SAN
1 stop3h 50m
Southwest
Wed 8/262:10 pm
SAN
- BOI
2 stops7h 05m
Southwest
Deal found 7/17![Southwest logo]()
$192
This Delta deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/54:00 pm
BOI
- LAX
Nonstop2h 20m
Delta
Sat 11/77:59 pm
LAX
- BOI
Nonstop2h 05m
Delta
Deal found 7/16![Delta logo]()
$207
This Southwest deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” 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 8/227:15 am
BOI
- ONT
1 stop3h 35m
Southwest
Sat 8/295:40 am
ONT
- BOI
2 stops6h 20m
Southwest
Deal found 7/17![Southwest logo]()
$192
This Alaska Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:47 pm
BOI
- LAX
Nonstop2h 18m
Alaska Airlines
Wed 9/239:26 am
LAX
- BOI
Nonstop2h 07m
Alaska Airlines
Deal found 7/18![Alaska Airlines logo]()
$197
This United Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” 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 8/235:44 pm
BOI
- LAS
1 stop5h 15m
United Airlines
Mon 8/249:51 am
LAS
- BOI
1 stop4h 40m
United Airlines
Deal found 7/17![United Airlines logo]()
$222
This Delta deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:00 am
BOI
- LAX
Nonstop2h 22m
Delta
Wed 11/47:59 pm
LAX
- BOI
Nonstop2h 05m
Delta
Deal found 7/16![Delta logo]()
$207
This Southwest deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/281:55 pm
BOI
- SAN
1 stop5h 05m
Southwest
Wed 9/24:10 pm
SAN
- BOI
2 stops5h 05m
Southwest
Deal found 7/15![Southwest logo]()
$197
This Alaska Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” 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 9/910:14 am
BOI
- SFO
Nonstop1h 56m
Alaska Airlines
Wed 9/167:46 pm
SFO
- BOI
Nonstop1h 41m
Alaska Airlines
Deal found 7/17![Alaska Airlines logo]()
$207
This Southwest deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” 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 8/263:30 pm
BOI
- ONT
2 stops6h 25m
Southwest
Sat 8/295:40 am
ONT
- BOI
2 stops6h 20m
Southwest
Deal found 7/17![Southwest logo]()
$197
This Delta deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/84:00 pm
BOI
- LAX
Nonstop2h 20m
Delta
Mon 10/267:59 pm
LAX
- BOI
Nonstop2h 05m
Delta
Deal found 7/17![Delta logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1910:14 am
BOI
- SFO
Nonstop1h 56m
Alaska Airlines
Wed 9/237:46 pm
SFO
- BOI
Nonstop1h 41m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$207
This Delta deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” 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 8/214:00 pm
BOI
- LAX
Nonstop2h 24m
Delta
Mon 8/247:58 pm
LAX
- BOI
Nonstop2h 02m
Delta
Deal found 7/17![Delta logo]()
$217
This Southwest deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:40 am
BOI
- LAS
2 stops6h 30m
Southwest
Mon 11/25:05 pm
LAS
- BOI
2 stops5h 45m
Southwest
Deal found 7/15![Southwest logo]()
$199
This Alaska Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:23 am
BOI
- SAN
1 stop6h 22m
Alaska Airlines
Thu 9/175:22 pm
SAN
- BOI
1 stop4h 05m
Alaska Airlines
Deal found 7/16![Alaska Airlines logo]()
$207
This United Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3111:52 am
BOI
- ONT
1 stop7h 19m
United Airlines
Wed 9/29:01 am
ONT
- BOI
1 stop5h 30m
United Airlines
Deal found 7/15![United Airlines logo]()
$287
This Southwest deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/65:00 am
BOI
- LAS
1 stop5h 20m
Southwest
Mon 11/96:15 am
LAS
- BOI
1 stop4h 25m
Southwest
Deal found 7/14![Southwest logo]()
$203
This Alaska Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” 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 8/174:35 pm
BOI
- SAN
1 stop7h 46m
Alaska Airlines
Thu 8/204:58 pm
SAN
- BOI
Nonstop2h 22m
Alaska Airlines
Deal found 7/17![Alaska Airlines logo]()
$207
This Delta deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1011:00 am
BOI
- SJC
1 stop6h 15m
Delta
Tue 10/1311:30 am
SJC
- BOI
1 stop4h 44m
Delta
Deal found 7/18![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/212:55 pm
BOI
- ONT
2 stops6h 45m
Southwest
Sat 8/225:40 am
ONT
- BOI
2 stops7h 50m
Southwest
Deal found 7/16![Southwest logo]()
$207
This Alaska Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/121:30 pm
BOI
- LAS
Nonstop2h 01m
Alaska Airlines
Wed 9/1611:55 am
LAS
- BOI
1 stop7h 40m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$210
This Delta deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/307:03 pm
BOI
- OAK
1 stop5h 53m
Delta
Wed 9/212:33 pm
OAK
- BOI
2 stops8h 57m
Delta
Deal found 7/15![Delta logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” 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 8/3110:14 am
BOI
- SFO
Nonstop1h 56m
Alaska Airlines
Tue 9/87:46 pm
SFO
- BOI
Nonstop1h 41m
Alaska Airlines
Deal found 7/17![Alaska Airlines logo]()
$212
This Southwest deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:45 pm
BOI
- LAS
Nonstop1h 45m
Southwest
Tue 10/66:25 am
LAS
- BOI
2 stops5h 25m
Southwest
Deal found 7/17![Southwest logo]()
$212
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:00 am
BOI
- BUR
1 stop3h 48m
Delta
Thu 8/204:55 pm
BUR
- BOI
1 stop6h 04m
Delta
Deal found 7/19![Delta logo]()
$249
This Alaska Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2110:14 am
BOI
- SFO
Nonstop1h 56m
Alaska Airlines
Wed 8/267:46 pm
SFO
- BOI
Nonstop1h 41m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$212
Last-minute flights from Boise to CaliforniaDiscover last-minute flight deals from Boise to California. Data last updated July 19, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to California. Data last updated July 19, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/82:14 pm
BOI
- SNA
Nonstop2h 19m
Allegiant Air
Sat 8/1510:13 am
SNA
- BOI
Nonstop2h 11m
Allegiant Air
Deal found 7/16![Allegiant Air logo]()
$158
This Alaska Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:04 am
BOI
- SMF
Nonstop1h 30m
Alaska Airlines
Sat 8/221:07 pm
SMF
- BOI
Nonstop1h 25m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$187
This Southwest deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/133:50 pm
BOI
- SMF
1 stop5h 05m
Southwest
Sat 8/226:30 pm
SMF
- BOI
Nonstop1h 25m
Southwest
Deal found 7/15![Southwest logo]()
$197
This Southwest deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/154:05 pm
BOI
- SMF
Nonstop1h 40m
Southwest
Tue 8/257:50 pm
SMF
- BOI
Nonstop1h 25m
Southwest
Deal found 7/15![Southwest logo]()
$177
This Southwest deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/194:45 pm
BOI
- SAN
1 stop5h 45m
Southwest
Fri 8/216:30 am
SAN
- BOI
Nonstop2h 20m
Southwest
Deal found 7/19![Southwest logo]()
$187
This Delta deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/204:00 pm
BOI
- SAN
1 stop4h 19m
Delta
Sun 8/236:29 am
SAN
- BOI
1 stop4h 45m
Delta
Deal found 7/14![Delta logo]()
$192
This CheapOair deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/223:02 pm
BOI
- ONT
Nonstop2h 08m
Alaska Airlines
Sat 8/294:50 pm
ONT
- BOI
Nonstop1h 55m
Alaska Airlines
Deal found 7/16![Alaska Airlines logo]()
$177
This Southwest deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” 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 8/246:00 am
BOI
- SAN
1 stop4h 35m
Southwest
Thu 8/276:20 am
SAN
- BOI
1 stop4h 10m
Southwest
Deal found 7/17![Southwest logo]()
$182
This Delta deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:00 am
BOI
- ONT
1 stop3h 52m
Delta
Tue 9/15:05 pm
ONT
- BOI
1 stop3h 54m
Delta
Deal found 7/14![Delta logo]()
$187
This Southwest deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/264:45 pm
BOI
- ONT
1 stop4h 20m
Southwest
Sat 8/295:40 am
ONT
- BOI
2 stops7h 50m
Southwest
Deal found 7/14![Southwest logo]()
$192
This Southwest deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:45 am
BOI
- SAN
2 stops7h 50m
Southwest
Fri 9/116:20 am
SAN
- BOI
1 stop4h 10m
Southwest
Deal found 7/19![Southwest logo]()
$183
This Trip.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/304:17 pm
BOI
- SAN
1 stop8h 27m
Alaska Airlines
Sun 9/68:15 am
SAN
- BOI
1 stop6h 17m
Alaska Airlines
Deal found 7/16![Alaska Airlines logo]()
$195
One-way flights from Boise to CaliforniaSearch for one-way flight options from Boise to California. Find affordable one-way fares based on user searches. Data last updated July 19, 2026.
Search for one-way flight options from Boise to California. Find affordable one-way fares based on user searches. Data last updated July 19, 2026.
This Frontier deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/263:52 pm
BOI
- LAS
Nonstop1h 51m
Frontier
Deal found 7/14![Frontier logo]()
$40
This Frontier deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/103:52 pm
BOI
- LAS
Nonstop1h 51m
Frontier
Deal found 7/15![Frontier logo]()
$42
This Frontier deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/163:52 pm
BOI
- LAS
Nonstop1h 51m
Frontier
Deal found 7/19![Frontier logo]()
$54
This Frontier deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/143:52 pm
BOI
- LAS
Nonstop1h 51m
Frontier
Deal found 7/15![Frontier logo]()
$55
This CheapOair deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/133:52 pm
BOI
- LAS
Nonstop1h 51m
Frontier
Deal found 7/15![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:52 pm
BOI
- LAS
Nonstop1h 51m
Frontier
Deal found 7/15![Frontier logo]()
$65
This Frontier deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:52 pm
BOI
- LAS
Nonstop1h 51m
Frontier
Deal found 7/15![Frontier logo]()
$72
This Kiwi.com deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/263:52 pm
BOI
- LAX
1 stop21h 05m
Frontier
Deal found 7/18![Frontier logo]()
$73
This Kiwi.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:52 pm
BOI
- SAN
1 stop5h 56m
Frontier
Deal found 7/14![Frontier logo]()
$75
This Kiwi.com deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/303:52 pm
BOI
- LAX
1 stop21h 05m
Frontier
Deal found 7/17![Frontier logo]()
$75
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/143:52 pm
BOI
- BUR
1 stop26h 23m
Frontier
Deal found 7/16![Frontier logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:52 pm
BOI
- SAN
1 stop5h 56m
Frontier
Deal found 7/15![Frontier logo]()
$76
Find flight deals from Boise to California
Keep the following information in mind while searching for Boise to California flight deals. Data was last updated July 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $147 (Kiwi.com) |
One-way from | $40 (Frontier) |
Popular in | July |
Cheapest in | January |
Average price | $357 |
Good round-trip deal | $210 or less |
Good one-way deal | $114 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise to California 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 July 19, 2026.
Use the filters below to find and compare flights from Boise to California that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoiseLas Vegas
BOI - LAS
BOILAS
Boise Air Term. Gowen Fld
Fri 9/11
3:50 pm-4:45 pm
Nonstop1h 55m
Las Vegas Harry Reid Intl
Mon 9/14
8:50 pm-11:35 pm
Nonstop1h 45m
$183
BoiseLas Vegas
BOI - LAS
BOILAS
Boise Air Term. Gowen Fld
Fri 8/14
4:15 pm-5:12 pm
Nonstop1h 57m
Las Vegas Harry Reid Intl
Mon 8/17
5:52 pm-8:43 pm
Nonstop1h 51m
$183
Quickest round-trip
BoiseSacramento
BOI - SMF
BOISMF
Boise Air Term. Gowen Fld
Sat 8/22
7:00 am-7:30 am
Nonstop1h 30m
Sacramento Intl
Mon 8/24
1:07 pm-3:32 pm
Nonstop1h 25m
$187
BoiseLas Vegas
BOI - LAS
BOILAS
Boise Air Term. Gowen Fld
Mon 8/17
6:45 pm-11:55 pm
1 stop6h 10m
Las Vegas Harry Reid Intl
Wed 8/19
5:02 pm-11:59 pm
1 stop5h 57m
$189
BoiseSan Diego
BOI - SAN
BOISAN
Boise Air Term. Gowen Fld
Mon 8/24
6:00 am-8:50 am
1 stop3h 50m
San Diego
Wed 8/26
2:10 pm-10:15 pm
2 stops7h 05m
$192
BoiseOntario
BOI - ONT
BOIONT
Boise Air Term. Gowen Fld
Sat 8/22
7:15 am-9:50 am
1 stop3h 35m
Ontario
Sat 8/29
5:40 am-1:00 pm
2 stops6h 20m
$192
BoiseLos Angeles
BOI - LAX
BOILAX
Boise Air Term. Gowen Fld
Sat 9/19
6:47 pm-8:05 pm
Nonstop2h 18m
Los Angeles
Wed 9/23
9:26 am-12:33 pm
Nonstop2h 07m
$197
BoiseSan Diego
BOI - SAN
BOISAN
Boise Air Term. Gowen Fld
Fri 8/28
1:55 pm-6:00 pm
1 stop5h 05m
San Diego
Wed 9/2
4:10 pm-10:15 pm
2 stops5h 05m
$197
BoiseOntario
BOI - ONT
BOIONT
Boise Air Term. Gowen Fld
Wed 8/26
3:30 pm-8:55 pm
2 stops6h 25m
Ontario
Sat 8/29
5:40 am-1:00 pm
2 stops6h 20m
$197
BoiseLas Vegas
BOI - LAS
BOILAS
Boise Air Term. Gowen Fld
Wed 10/28
7:40 am-1:10 pm
2 stops6h 30m
Las Vegas Harry Reid Intl
Mon 11/2
5:05 pm-11:50 pm
2 stops5h 45m
$199
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Boise to California
Have a flexible travel schedule? Discover the best time to fly to California from Boise with our price prediction graph.
BOI-SFO
BOI-LAS
BOI-SNA
BOI-LAX
BOI-SMF
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 Boise to California
BOI-USCA
BOI-SFO
BOI-LAS
BOI-SNA
BOI-LAX
What is the cheapest month to book a flight from Boise to California?
Currently, October is the cheapest month in which you can book a flight from Boise to California (average of $243). Flying from Boise to California in March is currently the most expensive (average of $357). 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 BOI to CA?
Find hourly flight availability from Boise to California. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 19, 2026.
It’s optimal to fly from Boise to California at noon. By choosing this option you can save up to 17% on the cost of your flight, compared to a flight in the evening.
Weekly flight availability from Boise to California
Explore weekly flight availability from Boise to California. 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 July 19, 2026.
The most flights from BOI to USCA are scheduled on a Saturday (29 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (22 on average).
How much does it cost to fly round-trip from Boise to California?
How far ahead should I book a flight from Boise to California?
Booking 68 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boise to California. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest day to fly from Boise to California?
Use this chart to determine the cheapest time to fly round-trip from Boise to California. Price data was last updated on July 18, 2026.
Travelers seeking maximum savings on their Boise to California flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing California
Get insights into the airlines that provide service to California. 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 California. Reviews last updated July 19, 2026.
Get a feel of what it's like to fly with Southwest,Alaska Airlines, andDelta from Boise to California by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
Find useful and relevant information for your journey from Boise to California. 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 Boise to California
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Complete your trip
Complete your trip to California by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boise to California by cabin class
Find flights from Boise to California, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boise and California flights
Browse other Boise and California flight options. Last updated on July 19, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Boise to California flights
Consider these flights traveling from Boise to California.
Top 7 airlines flying from Boise to California
Discover the top 7 airlines that operate flights from Boise to California. 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 July 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$68 | Average$188 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$78 | Average$296 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$108 | Average$294 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$110 | Average$227 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$127 | Average$311 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$147 | Average$318 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$277 | Average$519 | FlexibilityNo cancel fee | On-time71% |