$44+ 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LAX
Oct 12 — Oct 191
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 September 12, 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 September 12, 2026.
This CheapOair deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/82:50 pm -
Nonstop1h 54m
Thu 10/1511:00 am -
Nonstop1h 55m
Deal found 9/10![Frontier logo]()
$119
This Priceline deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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.
Fri 12/116:56 pm -
Nonstop1h 51m
Mon 12/143:05 pm -
Nonstop1h 56m
Deal found 9/8![Frontier logo]()
$120
This Frontier deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:50 pm -
Nonstop1h 55m
Mon 10/511:00 am -
Nonstop1h 55m
Deal found 9/10![Frontier logo]()
$121
This Super.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/82:50 pm -
Nonstop1h 54m
Fri 10/911:00 am -
Nonstop1h 55m
Deal found 9/9![Frontier logo]()
$122
This Frontier deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/122:49 pm -
Nonstop1h 54m
Sun 11/1511:00 am -
Nonstop1h 54m
Deal found 9/9![Frontier logo]()
$126
This Frontier deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:56 pm -
Nonstop1h 51m
Sun 12/63:05 pm -
Nonstop1h 56m
Deal found 9/9![Frontier logo]()
$132
This Cheapflightsfares deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/115:00 pm -
Nonstop2h 23m
Thu 10/224:10 pm -
Nonstop2h 28m
Deal found 9/12![Allegiant Air logo]()
$132
This CheapOair deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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 10/185:00 pm -
Nonstop2h 23m
Thu 10/224:10 pm -
Nonstop2h 28m
Deal found 9/7![Allegiant Air logo]()
$133
This Super.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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.
Mon 10/192:50 pm -
Nonstop1h 54m
Thu 10/2211:00 am -
Nonstop1h 55m
Deal found 9/7![Frontier logo]()
$136
This Cheapflightsfares deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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.
Sun 10/115:00 pm -
Nonstop2h 23m
Thu 10/151:06 pm -
Nonstop2h 28m
Deal found 9/7![Allegiant Air logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:50 pm -
Nonstop1h 55m
Tue 10/137:08 pm -
Nonstop1h 53m
Deal found 9/10![Multiple Airlines logo]()
$139
This Cheapflightsfares deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:30 pm -
Nonstop2h 23m
Thu 10/81:06 pm -
Nonstop2h 28m
Deal found 9/11![Allegiant Air logo]()
$140
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 September 12, 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 September 12, 2026.
This Southwest deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:35 am -
Nonstop2h 10m
Thu 11/55:15 pm -
1 stop6h 35m
Deal found 9/9![Southwest logo]()
$167
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/113:26 pm -
1 stop7h 28m
Sun 11/156:15 am -
1 stop6h 04m
Deal found 9/9![Delta logo]()
$195
This Alaska Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/222:06 pm -
1 stop10h 46m
Tue 10/276:07 am -
1 stop5h 28m
Deal found 9/9![Alaska Airlines logo]()
$203
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:00 am -
1 stop4h 57m
Sun 11/226:45 am -
1 stop6h 02m
Deal found 9/11![United Airlines logo]()
$213
This Southwest deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 12/73:30 pm -
1 stop7h 20m
Thu 12/1011:00 am -
Nonstop2h 15m
Deal found 9/8![Southwest logo]()
$167
This Southwest deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/316:45 am -
2 stops8h 35m
Tue 11/31:15 pm -
1 stop6h 40m
Deal found 9/8![Southwest logo]()
$182
This Alaska Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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 10/106:43 am -
1 stop10h 25m
Sat 10/246:07 am -
1 stop5h 28m
Deal found 9/7![Alaska Airlines logo]()
$203
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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 10/75:38 pm -
1 stop6h 18m
Wed 10/146:20 am -
1 stop4h 18m
Deal found 9/7![Delta logo]()
$203
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/174:30 pm -
1 stop7h 26m
Mon 10/196:20 am -
1 stop4h 18m
Deal found 9/9![Delta logo]()
$203
This Southwest deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/31:30 pm -
1 stop5h 15m
Mon 10/510:15 pm -
Nonstop1h 50m
Deal found 9/11![Southwest logo]()
$187
This Alaska Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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 10/246:04 pm -
1 stop5h 45m
Wed 10/286:35 pm -
Nonstop1h 45m
Deal found 9/7![Alaska Airlines logo]()
$215
This Southwest deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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 10/281:25 pm -
2 stops9h 00m
Thu 10/294:25 pm -
2 stops6h 45m
Deal found 9/7![Southwest logo]()
$187
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:50 pm -
Nonstop1h 53m
Mon 10/199:04 pm -
Nonstop1h 55m
Deal found 9/11![United Airlines logo]()
$252
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/104:24 pm -
Nonstop2h 50m
Tue 10/131:00 pm -
Nonstop2h 44m
Deal found 9/9![Delta logo]()
$217
This Southwest deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:45 am -
2 stops8h 35m
Mon 11/24:30 pm -
2 stops8h 30m
Deal found 9/10![Southwest logo]()
$187
This Alaska Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/278:57 am -
Nonstop1h 58m
Wed 11/116:47 pm -
Nonstop1h 46m
Deal found 9/8![Alaska Airlines logo]()
$227
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1012:00 pm -
1 stop7h 01m
Sat 11/145:00 am -
1 stop7h 45m
Deal found 9/11![United Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:15 pm -
2 stops7h 30m
Tue 11/179:20 am -
2 stops10h 35m
Deal found 9/9![Southwest logo]()
$187
This Alaska Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/74:08 pm -
1 stop4h 47m
Wed 10/211:15 pm -
Nonstop2h 07m
Deal found 9/8![Alaska Airlines logo]()
$227
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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 10/25:10 am -
1 stop7h 32m
Mon 10/57:11 pm -
1 stop4h 18m
Deal found 9/7![Delta logo]()
$233
This Alaska Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:19 am -
Nonstop2h 52m
Fri 10/3011:04 am -
1 stop4h 40m
Deal found 9/11![Alaska Airlines logo]()
$228
This Southwest deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:10 am -
Nonstop1h 50m
Wed 10/216:25 am -
2 stops5h 25m
Deal found 9/11![Southwest logo]()
$192
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:22 am -
Nonstop2h 53m
Mon 10/269:14 pm -
Nonstop2h 45m
Deal found 9/10![Delta logo]()
$237
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/257:45 am -
1 stop6h 09m
Fri 1/13:05 pm -
1 stop6h 10m
Deal found 9/11![United Airlines logo]()
$295
This Alaska Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/241:32 pm -
1 stop6h 58m
Tue 10/277:45 pm -
Nonstop2h 12m
Deal found 9/10![Alaska Airlines logo]()
$230
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/293:30 pm -
1 stop6h 52m
Mon 11/25:33 pm -
1 stop6h 26m
Deal found 9/8![Delta logo]()
$239
This Southwest deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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 11/106:05 am -
1 stop5h 20m
Fri 11/136:35 am -
2 stops7h 20m
Deal found 9/7![Southwest logo]()
$200
This Alaska Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/510:02 am -
Nonstop2h 04m
Sat 2/206:20 pm -
Nonstop1h 34m
Deal found 9/10![Alaska Airlines logo]()
$232
This Southwest deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/291:55 pm -
1 stop4h 05m
Sat 10/317:50 am -
2 stops5h 40m
Deal found 9/9![Southwest logo]()
$202
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/104:45 pm -
Nonstop2h 18m
Sat 11/147:50 pm -
Nonstop2h 02m
Deal found 9/11![Delta logo]()
$247
Last-minute flights from Idaho to CaliforniaDiscover last-minute flight deals from Idaho to California. Data last updated September 12, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to California. Data last updated September 12, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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 9/1310:09 am -
Nonstop2h 18m
Thu 9/177:00 am -
Nonstop2h 19m
Deal found 9/7![Allegiant Air logo]()
$154
This Cheapflightsfares deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:30 pm -
Nonstop2h 23m
Thu 10/81:06 pm -
Nonstop2h 28m
Deal found 9/11![Allegiant Air logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:50 pm -
1 stop6h 27m
Thu 10/88:34 pm -
1 stop16h 21m
Deal found 9/10![Frontier logo]()
$159
This Priceline deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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.
Thu 10/82:50 pm -
1 stop5h 59m
Thu 10/157:31 pm -
Nonstop2h 20m
Deal found 9/8![Multiple Airlines logo]()
$164
This Southwest deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/101:35 pm -
Nonstop2h 15m
Sat 10/1710:40 am -
Nonstop2h 10m
Deal found 9/10![Southwest logo]()
$157
This Cheapflightsfares deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/115:00 pm -
Nonstop2h 23m
Thu 10/224:10 pm -
Nonstop2h 28m
Deal found 9/12![Allegiant Air logo]()
$132
This Cheapflightsfares deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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.
Sun 10/115:00 pm -
Nonstop2h 23m
Thu 10/151:06 pm -
Nonstop2h 28m
Deal found 9/7![Allegiant Air logo]()
$137
This CheapOair deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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 10/185:00 pm -
Nonstop2h 23m
Thu 10/224:10 pm -
Nonstop2h 28m
Deal found 9/7![Allegiant Air logo]()
$133
This Southwest deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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 10/2111:55 am -
1 stop4h 05m
Sat 10/2410:40 am -
Nonstop2h 10m
Deal found 9/7![Southwest logo]()
$163
This Southwest deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2410:45 am -
Nonstop2h 45m
Mon 10/266:15 pm -
1 stop5h 30m
Deal found 9/11![Southwest logo]()
$167
This Alaska Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:19 am -
Nonstop2h 52m
Wed 11/46:39 pm -
Nonstop2h 50m
Deal found 9/11![Alaska Airlines logo]()
$157
This Mytrip deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:19 am -
1 stop5h 14m
Thu 11/54:45 pm -
Nonstop2h 28m
Deal found 9/10![Multiple Airlines logo]()
$167
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 September 12, 2026.
Search for one-way flight options from Idaho to California. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
This Super.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:50 pm -
Nonstop1h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Frontier logo]()
$44
This CheapOair deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/68:43 pm -
Nonstop2h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Allegiant Air logo]()
$47
This Priceline deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:50 pm -
Nonstop1h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$54
This CheapOair deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 11/17:20 pm -
Nonstop2h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Allegiant Air logo]()
$55
This Super.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/192:49 pm -
Nonstop1h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$58
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/87:28 pm -
Nonstop2h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Allegiant Air logo]()
$58
This Frontier deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/112:50 pm -
Nonstop1h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$59
This Frontier deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 12/76:56 pm -
Nonstop1h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$62
This Expedia deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/122:50 pm -
1 stop17h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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.
Sun 10/47:30 pm -
Nonstop2h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Allegiant Air logo]()
$67
This Super.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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.
Fri 10/162:50 pm -
Nonstop1h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Frontier logo]()
$68
This Super.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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.
Mon 9/282:50 pm -
Nonstop1h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Frontier logo]()
$69
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 September 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $119 (CheapOair) |
One-way from | $44 (Super.com) |
Popular in | July |
Cheapest in | October |
Average price | $297 |
Good round-trip deal | $166 or less |
Good one-way deal | $78 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 September 12, 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
Mon 12/7
7:55 pm-9:21 pm
Nonstop2h 26m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$79
BoiseSan Diego
BOI Boise Air Term. Gowen Fld - SAN San Diego
BOISAN
Boise Air Term. Gowen Fld
Thu 11/5
6:35 am-7:45 am
Nonstop2h 10m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$79
BoiseSan Diego
BOI Boise Air Term. Gowen Fld - SAN San Diego
BOISAN
Boise Air Term. Gowen Fld
Wed 11/11
6:43 pm-8:03 pm
Nonstop2h 20m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$79
SpokaneSan Diego
GEG Spokane - SAN San Diego
GEGSAN
Spokane
Tue 12/8
7:00 am-9:51 am
Nonstop2h 51m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$79
BoiseSan Diego
BOI Boise Air Term. Gowen Fld - SAN San Diego
BOISAN
Boise Air Term. Gowen Fld
Wed 11/11
11:32 am-4:18 pm
1 stop5h 46m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$89
Quickest round-trip
BoiseLas Vegas
BOI Boise Air Term. Gowen Fld - LAS Las Vegas Harry Reid Intl
BOILAS
Boise Air Term. Gowen Fld
Wed 10/14
2:25 pm-3:15 pm
Nonstop1h 50m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$89
BoiseSan Diego
BOI Boise Air Term. Gowen Fld - SAN San Diego
BOISAN
Boise Air Term. Gowen Fld
Tue 11/10
7:05 am-10:25 am
1 stop4h 20m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$89
BoiseSan Diego
BOI Boise Air Term. Gowen Fld - SAN San Diego
BOISAN
Boise Air Term. Gowen Fld
Mon 10/5
7:45 pm-11:15 pm
1 stop4h 30m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$89
BoiseSan Diego
BOI Boise Air Term. Gowen Fld - SAN San Diego
BOISAN
Boise Air Term. Gowen Fld
Tue 10/6
4:00 pm-7:14 pm
1 stop4h 14m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$89
SpokaneSan Diego
GEG Spokane - SAN San Diego
GEGSAN
Spokane
Thu 12/10
7:00 am-9:51 am
Nonstop2h 51m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$89
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.
BOI-LAS
GEG-LAS
BOI-LAX
BOI-SAN
GEG-SAN
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
BOI-LAS
GEG-LAS
BOI-LAX
BOI-SAN
What is the cheapest month to book a flight from Idaho to California?
Currently, October is the cheapest month in which you can book a flight from Idaho to California (average of $262). Flying from Idaho to California in March is currently the most expensive (average of $372). 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 September 12, 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 17% versus a flight in the morning.
Weekly flight availability from Idaho to California
Explore weekly flight availability from Idaho 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 September 12, 2026.
The most flights from USID to USCA are scheduled on a Friday (23 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (18 on average).
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 $230 and $328 in December.The cheapest round-trip price found within the last 5 days was $207 on Multiple Airlines (Dec 2-Dec 16).
How far ahead should I book a flight from Idaho to California?
Booking 68 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 September 12, 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 September 12, 2026.
Get a feel of what it's like to fly with Southwest,Alaska Airlines, 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.
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
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
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
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Return Flight Options
Top destinations
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 September 12, 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 9 airlines flying from Idaho to California
Discover the top 9 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 September 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$394 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$78 | Average$223 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$108 | Average$227 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$109 | Average$336 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$143 | Average$394 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$147 | Average$212 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$157 | Average$329 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$170 | Average$243 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$327 | Average$576 | FlexibilityNo cancel fee | On-time71% |