$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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LAX
août 22 — août 291
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 juillet 23, 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 juillet 23, 2026.
This Expedia deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 9/173:52 pm
BOI
- LAS
Nonstop1h 51m
Frontier
dim. 9/2012:01 pm
LAS
- BOI
Nonstop1h 56m
Frontier
Deal found 7/21![Frontier logo]()
$138
This Travelocity deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 10/23:52 pm
BOI
- LAS
Nonstop1h 51m
Multiple Airlines
sam. 10/107:08 pm
LAS
- BOI
Nonstop1h 53m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 9/1012:59 pm
BOI
- LAS
1 stop11h 32m
Frontier
lun. 9/1412:01 pm
LAS
- BOI
Nonstop1h 56m
Frontier
Deal found 7/21![Frontier logo]()
$141
This Priceline deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 10/32:27 pm
BOI
- LAS
Nonstop1h 57m
Multiple Airlines
lun. 10/1212:01 pm
LAS
- BOI
Nonstop1h 56m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/143:52 pm
BOI
- LAX
1 stop20h 00m
Frontier
mer. 9/1610:27 pm
LAX
- BOI
1 stop15h 30m
Frontier
Deal found 7/21![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/143:52 pm
BOI
- LAS
Nonstop1h 51m
Frontier
mer. 9/1612:59 am
LAS
- BOI
1 stop10h 05m
Frontier
Deal found 7/21![Frontier logo]()
$143
This Frontier deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 10/13:52 pm
BOI
- LAS
Nonstop1h 51m
Frontier
lun. 10/512:01 pm
LAS
- BOI
Nonstop1h 56m
Frontier
Deal found 7/21![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 10/242:27 pm
BOI
- LAS
Nonstop1h 57m
Multiple Airlines
lun. 10/2612:01 pm
LAS
- BOI
Nonstop1h 56m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 9/103:52 pm
BOI
- LAX
1 stop27h 07m
Frontier
mer. 9/1610:27 pm
LAX
- BOI
1 stop15h 30m
Frontier
Deal found 7/22![Frontier logo]()
$146
This Priceline deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/23:52 pm
BOI
- LAS
Nonstop1h 51m
Multiple Airlines
mer. 11/47:45 pm
LAS
- BOI
Nonstop1h 59m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$147
This Priceline deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/91:30 pm
BOI
- LAS
Nonstop2h 01m
Multiple Airlines
dim. 9/1312:01 pm
LAS
- BOI
Nonstop1h 56m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/143:52 pm
BOI
- LAX
1 stop20h 00m
Frontier
jeu. 9/173:15 pm
LAX
- BOI
1 stop22h 42m
Frontier
Deal found 7/21![Frontier logo]()
$149
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 juillet 23, 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 juillet 23, 2026.
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/153:30 pm
BOI
- SAN
Nonstop2h 15m
Southwest
sam. 9/192:50 pm
SAN
- BOI
2 stops5h 10m
Southwest
Deal found 7/23![Southwest logo]()
$172
This Alaska Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 8/227:00 am
BOI
- SAN
1 stop6h 35m
Alaska Airlines
sam. 8/294:58 pm
SAN
- BOI
Nonstop2h 22m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$182
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.
jeu. 9/36:15 am
BOI
- SAN
1 stop5h 03m
United Airlines
dim. 9/67:15 am
SAN
- BOI
1 stop7h 16m
United Airlines
Deal found 7/19![United Airlines logo]()
$182
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/174:00 pm
BOI
- SAN
1 stop4h 19m
Delta
jeu. 8/207:13 pm
SAN
- BOI
1 stop3h 46m
Delta
Deal found 7/21![Delta logo]()
$192
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/131:25 pm
BOI
- LAS
1 stop3h 55m
Southwest
sam. 10/171:50 pm
LAS
- BOI
Nonstop1h 45m
Southwest
Deal found 7/23![Southwest logo]()
$175
This Alaska Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 9/108:03 am
BOI
- SAN
1 stop7h 39m
Alaska Airlines
lun. 9/144:58 pm
SAN
- BOI
Nonstop2h 22m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$182
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/67:00 am
BOI
- SAN
Nonstop2h 15m
Southwest
ven. 10/98:25 pm
SAN
- BOI
Nonstop2h 10m
Southwest
Deal found 7/22![Southwest logo]()
$177
This United Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/258:15 am
BOI
- SFO
Nonstop2h 03m
United Airlines
mer. 8/266:30 pm
SFO
- BOI
Nonstop1h 54m
United Airlines
Deal found 7/23![United Airlines logo]()
$207
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.
lun. 9/286:45 am
BOI
- SMF
1 stop4h 52m
Delta
sam. 10/31:35 pm
SMF
- BOI
1 stop4h 18m
Delta
Deal found 7/19![Delta logo]()
$207
This Alaska Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/177:57 am
BOI
- SAN
Nonstop2h 27m
Alaska Airlines
jeu. 8/204:58 pm
SAN
- BOI
Nonstop2h 22m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$197
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/187:40 am
BOI
- SAN
2 stops5h 05m
Southwest
mar. 8/253:25 pm
SAN
- BOI
1 stop6h 00m
Southwest
Deal found 7/21![Southwest logo]()
$182
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/13:29 pm
BOI
- SMF
1 stop4h 30m
Delta
mer. 9/97:46 am
SMF
- BOI
1 stop6h 30m
Delta
Deal found 7/21![Delta logo]()
$207
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.
sam. 8/226:15 am
BOI
- SFO
Nonstop2h 03m
United Airlines
dim. 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 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/93:02 pm
BOI
- ONT
Nonstop2h 08m
Alaska Airlines
lun. 9/146:02 am
ONT
- BOI
1 stop5h 33m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$197
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/156:00 am
BOI
- LAS
Nonstop1h 45m
Southwest
jeu. 9/172:15 pm
LAS
- BOI
2 stops7h 35m
Southwest
Deal found 7/21![Southwest logo]()
$184
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 10/24:00 pm
BOI
- LAX
Nonstop2h 23m
Delta
sam. 10/37:59 pm
LAX
- BOI
Nonstop2h 00m
Delta
Deal found 7/21![Delta logo]()
$217
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 9/56:15 am
BOI
- SFO
Nonstop2h 03m
United Airlines
lun. 9/78:15 am
SFO
- BOI
Nonstop1h 51m
United Airlines
Deal found 7/22![United Airlines logo]()
$222
This Alaska Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 9/1910:14 am
BOI
- SFO
Nonstop1h 56m
Alaska Airlines
mer. 9/237:46 pm
SFO
- BOI
Nonstop1h 41m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$207
This Southwest deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 8/157:15 am
BOI
- SMF
Nonstop1h 25m
Southwest
mar. 8/253:30 pm
SMF
- BOI
2 stops6h 50m
Southwest
Deal found 7/20![Southwest logo]()
$192
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/911:03 am
BOI
- ONT
1 stop6h 32m
Delta
ven. 9/111:04 pm
ONT
- BOI
1 stop3h 50m
Delta
Deal found 7/21![Delta logo]()
$217
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 9/196:47 pm
BOI
- LAX
Nonstop2h 18m
Alaska Airlines
mer. 9/237:03 am
LAX
- BOI
1 stop5h 11m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$207
This Southwest deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/17:40 am
BOI
- SAN
2 stops5h 05m
Southwest
ven. 9/46:30 am
SAN
- BOI
Nonstop2h 20m
Southwest
Deal found 7/20![Southwest logo]()
$192
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 11/55:49 am
BOI
- ONT
1 stop4h 54m
Alaska Airlines
dim. 11/85:12 pm
ONT
- BOI
Nonstop2h 00m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$207
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 8/226:00 am
BOI
- SFO
1 stop3h 50m
Delta
dim. 8/237:25 pm
SFO
- BOI
1 stop3h 34m
Delta
Deal found 7/20![Delta logo]()
$232
This Southwest deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 9/39:05 am
BOI
- SAN
1 stop4h 40m
Southwest
jeu. 9/104:10 pm
SAN
- BOI
2 stops6h 25m
Southwest
Deal found 7/20![Southwest logo]()
$192
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 9/1010:14 am
BOI
- SFO
Nonstop1h 56m
Alaska Airlines
mar. 9/157:46 pm
SFO
- BOI
Nonstop1h 41m
Alaska Airlines
Deal found 7/18![Alaska Airlines logo]()
$212
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/113:40 pm
BOI
- LAS
1 stop4h 15m
Southwest
jeu. 8/1312:00 pm
LAS
- BOI
2 stops6h 10m
Southwest
Deal found 7/21![Southwest logo]()
$194
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 8/224:00 pm
BOI
- SJC
1 stop7h 13m
Delta
dim. 8/239:34 am
SJC
- BOI
1 stop4h 15m
Delta
Deal found 7/20![Delta logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 8/157:04 am
BOI
- SMF
Nonstop1h 30m
Alaska Airlines
mar. 8/251:07 pm
SMF
- BOI
Nonstop1h 25m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$212
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 8/202:45 pm
BOI
- LAS
1 stop6h 20m
Southwest
jeu. 8/2710:05 am
LAS
- BOI
2 stops8h 05m
Southwest
Deal found 7/21![Southwest logo]()
$194
Last-minute flights from Boise to CaliforniaDiscover last-minute flight deals from Boise to California. Data last updated juillet 23, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to California. Data last updated juillet 23, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 8/136:30 am
BOI
- SAN
Nonstop2h 15m
Southwest
sam. 8/222:50 pm
SAN
- BOI
2 stops5h 05m
Southwest
Deal found 7/23![Southwest logo]()
$172
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 8/157:04 am
BOI
- SMF
Nonstop1h 30m
Alaska Airlines
mar. 8/251:07 pm
SMF
- BOI
Nonstop1h 25m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$177
This Trip.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/187:04 am
BOI
- SMF
Nonstop1h 30m
Alaska Airlines
mer. 8/196:55 pm
SMF
- BOI
1 stop4h 00m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$185
This Alaska Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 8/193:02 pm
BOI
- ONT
Nonstop2h 08m
Alaska Airlines
mar. 8/254:50 pm
ONT
- BOI
Nonstop1h 55m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$177
This CheapOair deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 8/205:13 pm
BOI
- SNA
Nonstop2h 15m
Allegiant Air
dim. 8/231:24 pm
SNA
- BOI
Nonstop2h 04m
Allegiant Air
Deal found 7/21![Allegiant Air logo]()
$165
This Booking.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 8/206:49 pm
BOI
- SMF
1 stop16h 19m
Alaska Airlines
ven. 8/211:07 pm
SMF
- BOI
Nonstop1h 25m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$182
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 8/228:01 am
BOI
- SAN
1 stop4h 56m
American Airlines
sam. 8/294:22 pm
SAN
- BOI
1 stop5h 18m
American Airlines
Deal found 7/21![American Airlines logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 8/227:00 am
BOI
- SMF
Nonstop1h 30m
Alaska Airlines
lun. 8/241:07 pm
SMF
- BOI
Nonstop1h 25m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$187
This Southwest deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/246:00 am
BOI
- SAN
2 stops6h 15m
Southwest
lun. 8/316:20 am
SAN
- BOI
1 stop4h 10m
Southwest
Deal found 7/20![Southwest logo]()
$178
This Alaska Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/246:00 am
BOI
- SAN
1 stop5h 30m
Alaska Airlines
mer. 8/2610:45 am
SAN
- BOI
Nonstop2h 17m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 8/2712:24 pm
BOI
- LAX
1 stop12h 47m
Frontier
mer. 9/26:30 am
LAX
- BOI
1 stop27h 59m
Frontier
Deal found 7/22![Frontier logo]()
$186
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.
sam. 8/297:45 am
BOI
- SAN
2 stops7h 50m
Southwest
ven. 9/116:20 am
SAN
- BOI
1 stop4h 10m
Southwest
Deal found 7/19![Southwest logo]()
$183
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 juillet 23, 2026.
Search for one-way flight options from Boise to California. Find affordable one-way fares based on user searches. Data last updated juillet 23, 2026.
This Frontier deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/193:52 pm
BOI
- LAS
Nonstop1h 51m
Frontier
Deal found 7/22![Frontier logo]()
$40
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.
jeu. 9/173:52 pm
BOI
- LAS
Nonstop1h 51m
Frontier
Deal found 7/19![Frontier logo]()
$54
This Frontier deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 10/223:52 pm
BOI
- LAS
Nonstop1h 51m
Frontier
Deal found 7/23![Frontier logo]()
$55
This Frontier deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 10/233:52 pm
BOI
- LAS
Nonstop1h 51m
Frontier
Deal found 7/23![Frontier logo]()
$59
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.
dim. 9/203:52 pm
BOI
- LAS
Nonstop1h 51m
Frontier
Deal found 7/19![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/283:52 pm
BOI
- LAX
1 stop25h 00m
Frontier
Deal found 7/22![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 9/113:52 pm
BOI
- LAX
1 stop25h 00m
Frontier
Deal found 7/22![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/213:52 pm
BOI
- SAN
1 stop5h 56m
Frontier
Deal found 7/23![Frontier logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/213:52 pm
BOI
- LAX
1 stop25h 00m
Frontier
Deal found 7/22![Frontier logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/93:52 pm
BOI
- LAX
1 stop21h 05m
Frontier
Deal found 7/23![Frontier logo]()
$68
This Frontier deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 10/253:52 pm
BOI
- LAS
Nonstop1h 51m
Frontier
Deal found 7/23![Frontier logo]()
$69
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/213:52 pm
BOI
- BUR
1 stop26h 23m
Frontier
Deal found 7/22![Frontier logo]()
$70
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 juillet 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $138 (Expedia) |
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 juillet 23, 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
BoiseSan Diego
BOI - SAN
BOISAN
Boise Air Term. Gowen Fld
mar. 9/15
3:30 pm-4:45 pm
Nonstop2h 15m
San Diego
sam. 9/19
2:50 pm-9:00 pm
2 stops5h 10m
$172
BoiseLas Vegas
BOI - LAS
BOILAS
Boise Air Term. Gowen Fld
mar. 10/13
1:25 pm-4:20 pm
1 stop3h 55m
Las Vegas Harry Reid Intl
sam. 10/17
1:50 pm-4:35 pm
Nonstop1h 45m
$175
BoiseSan Diego
BOI - SAN
BOISAN
Boise Air Term. Gowen Fld
mar. 10/6
7:00 am-8:15 am
Nonstop2h 15m
San Diego
ven. 10/9
8:25 pm-11:35 pm
Nonstop2h 10m
$177
BoiseSan Diego
BOI - SAN
BOISAN
Boise Air Term. Gowen Fld
sam. 8/22
7:00 am-12:35 pm
1 stop6h 35m
San Diego
sam. 8/29
4:58 pm-8:20 pm
Nonstop2h 22m
$182
BoiseSan Diego
BOI - SAN
BOISAN
Boise Air Term. Gowen Fld
jeu. 9/3
6:15 am-10:18 am
1 stop5h 03m
San Diego
dim. 9/6
7:15 am-3:31 pm
1 stop7h 16m
$182
BoiseSan Diego
BOI - SAN
BOISAN
Boise Air Term. Gowen Fld
jeu. 9/10
8:03 am-2:42 pm
1 stop7h 39m
San Diego
lun. 9/14
4:58 pm-8:20 pm
Nonstop2h 22m
$182
BoiseSan Diego
BOI - SAN
BOISAN
Boise Air Term. Gowen Fld
mar. 8/18
7:40 am-11:45 am
2 stops5h 05m
San Diego
mar. 8/25
3:25 pm-10:25 pm
1 stop6h 00m
$182
BoiseLas Vegas
BOI - LAS
BOILAS
Boise Air Term. Gowen Fld
mar. 9/15
6:00 am-6:45 am
Nonstop1h 45m
Las Vegas Harry Reid Intl
jeu. 9/17
2:15 pm-10:50 pm
2 stops7h 35m
$184
BoiseSan Diego
BOI - SAN
BOISAN
Boise Air Term. Gowen Fld
lun. 8/17
4:00 pm-7:19 pm
1 stop4h 19m
San Diego
jeu. 8/20
7:13 pm-11:59 pm
1 stop3h 46m
$192
BoiseSacramento
BOI - SMF
BOISMF
Boise Air Term. Gowen Fld
sam. 8/15
7:15 am-7:40 am
Nonstop1h 25m
Sacramento Intl
mar. 8/25
3:30 pm-11:20 pm
2 stops6h 50m
$192
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-SNA
BOI-SAN
BOI-SMF
BOI-ONT
BOI-LAX
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-SNA
BOI-SAN
BOI-SMF
BOI-ONT
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 juillet 23, 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 juillet 23, 2026.
The most flights from BOI to USCA are scheduled on a Wednesday (29 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (17 on average).
How much does it cost to fly round-trip from Boise to California?
Airfare is below average for this route at the moment.
Boise to California flights typically cost between $261 and $394 in September.The cheapest round-trip price found within the last 5 days was $142 on Frontier (Sep 14-Sep 16).
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 juillet 23, 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.
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
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 juillet 23, 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 juillet 23, 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% |