$58+ Cheap flights from Idaho to California
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LAX
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from Idaho to California with Cheapflights
1. Tell us where you want to go
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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Idaho to California
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Cheapest flights from Idaho to CaliforniaExplore the most affordable flight options available from Idaho to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
Explore the most affordable flight options available from Idaho to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/141:41 pm -
Nonstop2h 18m
Fri 1/83:41 pm -
Nonstop2h 17m
Deal found 10/30![Allegiant Air logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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.
Tue 11/247:55 pm -
1 stop12h 53m
Wed 12/27:41 pm -
1 stop22h 20m
Deal found 10/25![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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.
Tue 11/247:55 pm -
1 stop12h 53m
Thu 12/37:00 am -
1 stop11h 01m
Deal found 10/25![Frontier logo]()
$124
This Trip.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/76:15 pm -
1 stop22h 10m
Wed 12/97:41 pm -
1 stop20h 39m
Deal found 10/28![Frontier logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:18 pm -
1 stop12h 47m
Wed 12/97:41 pm -
1 stop20h 39m
Deal found 10/27![Multiple Airlines logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:55 pm -
1 stop16h 06m
Wed 12/22:21 pm -
1 stop27h 40m
Deal found 10/26![Frontier logo]()
$147
This Alaska Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 11/96:43 pm -
Nonstop2h 20m
Tue 11/174:27 pm -
Nonstop2h 26m
Deal found 10/25![Alaska Airlines logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:55 pm -
1 stop16h 06m
Thu 12/310:35 am -
1 stop7h 26m
Deal found 10/26![Frontier logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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.
Tue 11/247:55 pm -
1 stop12h 53m
Fri 12/47:00 am -
1 stop11h 01m
Deal found 10/25![Frontier logo]()
$160
This Southwest deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/207:15 pm -
Nonstop2h 15m
Sat 12/261:30 pm -
Nonstop2h 15m
Deal found 10/27![Southwest logo]()
$162
This Southwest deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 11/167:20 am -
Nonstop1h 35m
Sat 11/216:05 am -
Nonstop1h 25m
Deal found 10/25![Southwest logo]()
$163
This Southwest deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:00 am -
1 stop5h 40m
Wed 11/186:30 am -
1 stop5h 35m
Deal found 10/26![Southwest logo]()
$166
Best flights from Idaho to CaliforniaDiscover carefully curated flight deals from Idaho to California that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Idaho to California that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:00 am -
1 stop5h 40m
Wed 11/183:40 pm -
2 stops6h 35m
Deal found 10/28![Southwest logo]()
$171
This Alaska Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 12/64:47 pm -
Nonstop2h 26m
Tue 12/84:08 pm -
1 stop6h 51m
Deal found 10/25![Alaska Airlines logo]()
$177
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/24:24 pm -
Nonstop1h 55m
Wed 12/912:10 pm -
Nonstop1h 40m
Deal found 10/29![United Airlines logo]()
$185
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/24:44 pm -
Nonstop2h 27m
Sat 12/57:50 pm -
Nonstop2h 08m
Deal found 10/29![Delta logo]()
$227
This Southwest deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/86:20 am -
1 stop4h 25m
Thu 12/1010:00 am -
Nonstop1h 25m
Deal found 10/27![Southwest logo]()
$173
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/312:48 pm -
Nonstop1h 58m
Tue 12/812:10 pm -
Nonstop1h 40m
Deal found 10/29![United Airlines logo]()
$185
This Southwest deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/171:05 pm -
2 stops6h 50m
Fri 11/207:50 pm -
1 stop4h 40m
Deal found 10/29![Southwest logo]()
$182
This Alaska Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/210:16 am -
Nonstop2h 15m
Wed 12/98:20 am -
1 stop28h 05m
Deal found 10/29![Alaska Airlines logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 11/1612:43 pm -
2 stops21h 08m
Fri 11/207:30 am -
1 stop7h 04m
Deal found 10/25![Multiple Airlines logo]()
$419
This Alaska Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/310:16 am -
Nonstop2h 15m
Tue 12/85:35 pm -
1 stop27h 52m
Deal found 10/29![Alaska Airlines logo]()
$204
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/217:10 pm -
Nonstop1h 54m
Mon 11/232:02 pm -
Nonstop1h 40m
Deal found 10/26![United Airlines logo]()
$211
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:11 pm -
1 stop6h 18m
Sun 12/65:04 pm -
1 stop4h 01m
Deal found 10/27![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/257:20 am -
Nonstop1h 35m
Tue 1/510:00 am -
Nonstop1h 25m
Deal found 10/29![Southwest logo]()
$197
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/511:30 am -
1 stop4h 50m
Sat 12/126:50 am -
1 stop6h 20m
Deal found 10/28![Southwest logo]()
$197
This Alaska Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:57 am -
Nonstop1h 44m
Sun 12/612:51 pm -
Nonstop1h 36m
Deal found 10/29![Alaska Airlines logo]()
$217
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/276:20 am -
Nonstop2h 08m
Fri 12/48:15 am -
Nonstop1h 53m
Deal found 10/28![United Airlines logo]()
$227
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/207:15 am -
Nonstop2h 29m
Mon 2/2211:50 am -
Nonstop2h 09m
Deal found 10/29![Delta logo]()
$262
This Southwest deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/21:40 pm -
1 stop3h 45m
Sat 12/59:00 am -
1 stop4h 10m
Deal found 10/29![Southwest logo]()
$200
This Alaska Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 1/47:15 pm -
1 stop15h 29m
Thu 1/710:44 am -
Nonstop1h 37m
Deal found 10/25![Alaska Airlines logo]()
$220
This Southwest deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1512:40 pm -
2 stops9h 10m
Thu 12/315:30 pm -
1 stop4h 20m
Deal found 10/26![Southwest logo]()
$202
This Alaska Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/195:43 am -
1 stop5h 49m
Fri 11/201:07 pm -
Nonstop1h 38m
Deal found 10/28![Alaska Airlines logo]()
$228
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 4/216:30 am -
1 stop4h 27m
Sat 4/241:00 pm -
1 stop7h 16m
Deal found 10/25![United Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 12/267:15 pm -
Nonstop2h 15m
Wed 12/308:50 pm -
Nonstop2h 20m
Deal found 10/25![Southwest logo]()
$202
This Alaska Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/810:36 am -
2 stops6h 50m
Thu 12/106:49 pm -
Nonstop2h 38m
Deal found 10/29![Alaska Airlines logo]()
$234
This Southwest deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2612:40 pm -
Nonstop1h 45m
Thu 12/36:35 am -
1 stop7h 35m
Deal found 10/29![Southwest logo]()
$205
This Alaska Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/255:35 am -
1 stop4h 42m
Tue 1/56:53 pm -
1 stop27h 15m
Deal found 10/29![Alaska Airlines logo]()
$235
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/205:45 pm -
1 stop6h 03m
Sun 2/216:00 am -
1 stop3h 45m
Deal found 10/29![Delta logo]()
$352
This Southwest deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:20 am -
Nonstop1h 35m
Sun 12/68:30 am -
1 stop4h 05m
Deal found 10/29![Southwest logo]()
$207
This Alaska Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1812:00 pm -
1 stop6h 59m
Sat 3/63:15 pm -
Nonstop2h 04m
Deal found 10/27![Alaska Airlines logo]()
$235
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2311:01 am -
1 stop6h 09m
Sat 1/26:00 am -
1 stop5h 10m
Deal found 10/28![Delta logo]()
$362
Last-minute flights from Idaho to CaliforniaDiscover last-minute flight deals from Idaho to California. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to California. Data last updated October 30, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 11/96:43 pm -
Nonstop2h 20m
Tue 11/174:27 pm -
Nonstop2h 26m
Deal found 10/25![Alaska Airlines logo]()
$147
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 11/94:45 pm -
1 stop7h 14m
Tue 11/173:59 pm -
1 stop5h 53m
Deal found 10/25![Delta logo]()
$167
This Southwest deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:00 am -
1 stop5h 40m
Wed 11/186:30 am -
1 stop5h 35m
Deal found 10/26![Southwest logo]()
$166
This Southwest deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 11/167:20 am -
Nonstop1h 35m
Sat 11/216:05 am -
Nonstop1h 25m
Deal found 10/25![Southwest logo]()
$163
This Southwest deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/171:05 pm -
2 stops6h 50m
Fri 11/208:50 pm -
Nonstop2h 20m
Deal found 10/29![Southwest logo]()
$172
This Cheapflightsfares deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/217:55 pm -
1 stop13h 35m
Tue 11/242:01 pm -
1 stop3h 59m
Deal found 10/26![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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.
Tue 11/247:55 pm -
1 stop12h 53m
Wed 12/27:41 pm -
1 stop22h 20m
Deal found 10/25![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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.
Tue 11/247:55 pm -
1 stop12h 53m
Thu 12/37:00 am -
1 stop11h 01m
Deal found 10/25![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:55 pm -
1 stop16h 06m
Wed 12/22:21 pm -
1 stop27h 40m
Deal found 10/26![Frontier logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:55 pm -
1 stop16h 06m
Thu 12/310:35 am -
1 stop7h 26m
Deal found 10/26![Frontier logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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.
Tue 11/247:55 pm -
1 stop12h 53m
Fri 12/47:00 am -
1 stop11h 01m
Deal found 10/25![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:55 pm -
1 stop12h 53m
Wed 12/27:41 pm -
1 stop22h 20m
Deal found 10/25![Frontier logo]()
$168
One-way flights from Idaho to CaliforniaSearch for one-way flight options from Idaho to California. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from Idaho to California. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/78:20 am -
Nonstop2h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Southwest logo]()
$58
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:35 am -
Nonstop2h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Southwest logo]()
$59
This Cheapflightsfares deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/217:55 pm -
1 stop13h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$64
This CheapOair deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/261:40 pm -
Nonstop2h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Allegiant Air logo]()
$65
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/217:25 pm -
1 stop5h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Southwest logo]()
$68
This Southwest deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/185:55 am -
Nonstop2h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Southwest logo]()
$69
This CheapOair deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/111:41 pm -
Nonstop2h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Allegiant Air logo]()
$73
This Southwest deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:20 am -
2 stops5h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Southwest logo]()
$73
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/241:05 pm -
2 stops6h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Southwest logo]()
$74
This Trip.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/129:21 am -
1 stop13h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$79
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/197:25 pm -
1 stop5h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Southwest logo]()
$79
This Super.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/235:33 pm -
1 stop5h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Frontier logo]()
$80
Find flight deals from Idaho to California
Keep the following information in mind while searching for Idaho to California flight deals. Data was last updated October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $118 (Kiwi.com) |
One-way from | $58 (Southwest) |
Popular in | July |
Cheapest in | January |
Average price | $271 |
Good round-trip deal | $221 or less |
Good one-way deal | $100 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho 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 7,457,451 searches. Data last updated October 30, 2026.
Use the filters below to find and compare flights from Idaho to California that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoiseSan Diego
BOI Boise Air Term. Gowen Fld - SAN San Diego
BOISAN
Boise Air Term. Gowen Fld
Thu 12/24
8:20 am-9:45 am
Nonstop2h 25m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$59
BoiseSan Diego
BOI Boise Air Term. Gowen Fld - SAN San Diego
BOISAN
Boise Air Term. Gowen Fld
Tue 12/15
6:20 am-11:20 am
1 stop6h 00m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$68
BoiseSan Diego
BOI Boise Air Term. Gowen Fld - SAN San Diego
BOISAN
Boise Air Term. Gowen Fld
Sun 11/22
6:45 pm-11:53 pm
1 stop6h 08m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$69
BoiseSan Diego
BOI Boise Air Term. Gowen Fld - SAN San Diego
BOISAN
Boise Air Term. Gowen Fld
Sat 12/19
7:15 pm-8:30 pm
Nonstop2h 15m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$69
BoiseSan Diego
BOI Boise Air Term. Gowen Fld - SAN San Diego
BOISAN
Boise Air Term. Gowen Fld
Fri 12/18
5:55 am-7:05 am
Nonstop2h 10m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$69
BoiseSan Diego
BOI Boise Air Term. Gowen Fld - SAN San Diego
BOISAN
Boise Air Term. Gowen Fld
Mon 12/7
7:20 am-11:45 am
2 stops5h 25m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$73
Quickest round-trip
BoiseSacramento
BOI Boise Air Term. Gowen Fld - SMF Sacramento Intl
BOISMF
Boise Air Term. Gowen Fld
Mon 11/23
9:50 pm-10:25 pm
Nonstop1h 35m
Sacramento Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$82
BoiseOntario
BOI Boise Air Term. Gowen Fld - ONT Ontario
BOIONT
Boise Air Term. Gowen Fld
Fri 12/25
5:33 pm-9:53 pm
1 stop5h 20m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$94
BoisePalm Springs
BOI Boise Air Term. Gowen Fld - PSP Palm Springs
BOIPSP
Boise Air Term. Gowen Fld
Sat 1/9
1:40 pm-5:30 pm
1 stop4h 50m
Palm Springs
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$94
BoiseSan Francisco
BOI Boise Air Term. Gowen Fld - SFO San Francisco
BOISFO
Boise Air Term. Gowen Fld
Wed 11/25
6:20 am-7:28 am
Nonstop2h 08m
San Francisco
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$98
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Idaho to California
Have a flexible travel schedule? Discover the best time to fly to California from Idaho with our price prediction graph.
IDA-SNA
BOI-LAX
BOI-SFO
BOI-SAN
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 Idaho to California
USID-USCA
IDA-SNA
BOI-LAX
BOI-SFO
BOI-SAN
What is the cheapest month to book a flight from Idaho to California?
Currently, April is the cheapest month in which you can book a flight from Idaho to California (average of $267). Flying from Idaho to California in November is currently the most expensive (average of $371). 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 ID to CA?
Find hourly flight availability from Idaho 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 October 30, 2026.
When flying from Idaho to California, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 19% versus a flight in the morning.
How much does it cost to fly round-trip from Idaho to California?
Airfare is below average for this route at the moment.
Idaho to California flights typically cost between $302 and $481 in November.The cheapest round-trip price found within the last 5 days was $118 on Frontier (Nov 24-Dec 2).
How far ahead should I book a flight from Idaho to California?
Booking 62 days in advance of your planned departure date is, on average, the best time to get cheap flights from Idaho 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 Idaho to California?
Use this chart to determine the cheapest time to fly round-trip from Idaho to California. Price data was last updated on October 24, 2026.
Travelers seeking maximum savings on their Idaho to California flight should consider departing on Friday at noon 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 October 30, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Southwest, andDelta from Idaho to California by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Crew
8.5
Overall
7.9
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Food
7.0
Crew
8.5
Overall
7.9
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Food
7.0
Crew
8.5
Overall
7.9
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Food
7.0
Crew
8.5
Overall
7.9
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Food
7.0
Crew
8.5
Overall
7.9
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Food
7.0
Crew
8.5
Overall
7.9
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Related info for your journey
Find useful and relevant information for your journey from Idaho to California. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Idaho to California
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to California by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Idaho to California by cabin class
Find flights from Idaho to California, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Idaho and California flights
Browse other Idaho and California flight options. Last updated on October 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from California
Find the right flight back to Idaho after your stay in California
Idaho to California flights
Consider these flights traveling from Idaho to California.
Top 8 airlines flying from Idaho to California
Discover the top 8 airlines that operate flights from Idaho 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 7,457,451 searches. Data last updated October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$89 | Average$392 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$117 | Average$242 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$117 | Average$347 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$128 | Average$218 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$143 | Average$402 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$148 | Average$221 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$157 | Average$328 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$294 | Average$565 | FlexibilityNo cancel fee | On-time71% |