$58+ Cheap flights from California to Idaho
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 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BOI
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from California to Idaho with Cheapflights
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Cheapest flights from California to IdahoExplore the most affordable flight options available from California to Idaho. 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 California to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/76:49 pm -
Nonstop2h 38m
Thu 12/104:47 pm -
Nonstop2h 26m
Deal found 10/29![Alaska Airlines logo]()
$110
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 12/311:00 am -
Nonstop2h 15m
Wed 12/98:20 am -
Nonstop2h 25m
Deal found 10/28![Southwest logo]()
$115
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.
Mon 12/76:40 pm -
Nonstop2h 15m
Thu 12/108:20 am -
Nonstop2h 25m
Deal found 10/29![Southwest logo]()
$116
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.
Thu 12/36:40 pm -
Nonstop2h 15m
Sun 12/64:40 pm -
Nonstop2h 15m
Deal found 10/25![Southwest logo]()
$117
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.
Sun 12/206:30 am -
1 stop3h 55m
Thu 1/73:30 pm -
Nonstop2h 15m
Deal found 10/25![Southwest logo]()
$123
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 12/106:40 pm -
Nonstop2h 15m
Fri 12/115:00 am -
1 stop5h 40m
Deal found 10/29![Southwest logo]()
$126
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.
Mon 12/218:50 pm -
Nonstop2h 20m
Mon 12/288:45 pm -
1 stop3h 50m
Deal found 10/27![Southwest logo]()
$133
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/315:59 pm -
1 stop21h 49m
Mon 1/45:33 pm -
1 stop19h 39m
Deal found 10/25![Frontier logo]()
$148
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.
Wed 12/210:00 am -
Nonstop1h 25m
Mon 12/77:20 am -
Nonstop1h 35m
Deal found 10/28![Southwest logo]()
$163
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.
Wed 11/185:07 pm -
1 stop19h 47m
Wed 11/257:55 pm -
1 stop17h 53m
Deal found 10/26![Frontier logo]()
$164
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/14:50 pm -
1 stop6h 32m
Tue 12/81:07 pm -
1 stop3h 58m
Deal found 10/30![Delta logo]()
$169
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.
Wed 12/26:45 am -
1 stop6h 30m
Tue 12/811:25 am -
2 stops11h 05m
Deal found 10/26![Southwest logo]()
$174
Best flights from California to IdahoDiscover carefully curated flight deals from California to Idaho 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 California to Idaho 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 10/29. 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.
Mon 12/76:40 pm -
Nonstop2h 15m
Thu 12/108:20 am -
Nonstop2h 25m
Deal found 10/29![Southwest logo]()
$116
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 1/710:00 am -
Nonstop2h 23m
Sun 1/107:01 am -
Nonstop2h 29m
Deal found 10/29![Alaska Airlines logo]()
$167
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.
Tue 11/103:59 pm -
1 stop5h 53m
Mon 11/161:19 pm -
1 stop3h 59m
Deal found 10/25![Delta logo]()
$167
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.
Thu 11/199:38 am -
1 stop6h 04m
Fri 11/276:20 am -
1 stop4h 52m
Deal found 10/28![United Airlines logo]()
$212
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.
Mon 12/218:50 pm -
Nonstop2h 20m
Fri 1/83:30 pm -
Nonstop2h 15m
Deal found 10/26![Southwest logo]()
$117
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.
Fri 12/118:50 pm -
Nonstop2h 20m
Sun 12/136:35 am -
Nonstop2h 10m
Deal found 10/26![Southwest logo]()
$117
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.
Thu 1/79:00 am -
1 stop4h 55m
Sun 1/107:35 am -
Nonstop2h 25m
Deal found 10/26![Southwest logo]()
$127
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.
Tue 12/14:50 pm -
1 stop6h 32m
Tue 12/81:07 pm -
1 stop3h 58m
Deal found 10/28![Delta logo]()
$169
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.
Thu 12/312:35 pm -
2 stops9h 00m
Sun 12/66:35 am -
Nonstop2h 10m
Deal found 10/25![Southwest logo]()
$132
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.
Sat 1/1610:44 am -
Nonstop1h 37m
Tue 1/199:20 am -
Nonstop1h 46m
Deal found 10/27![Alaska Airlines 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.
Wed 11/189:25 am -
1 stop4h 25m
Sat 11/217:25 pm -
1 stop5h 10m
Deal found 10/28![Southwest logo]()
$135
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.
Sat 2/139:30 am -
1 stop4h 40m
Wed 2/171:40 pm -
1 stop4h 25m
Deal found 10/26![Southwest logo]()
$137
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.
Sat 12/125:36 pm -
Nonstop2h 05m
Mon 12/215:00 pm -
1 stop7h 59m
Deal found 10/25![Alaska Airlines logo]()
$227
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.
Tue 12/81:40 pm -
1 stop6h 47m
Tue 12/152:48 pm -
1 stop7h 23m
Deal found 10/25![United Airlines logo]()
$257
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 11/189:38 am -
1 stop4h 20m
Fri 11/206:40 am -
1 stop8h 18m
Deal found 10/28![Delta logo]()
$235
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 2/127:10 am -
Nonstop1h 30m
Mon 2/156:35 am -
Nonstop1h 35m
Deal found 10/29![Southwest logo]()
$157
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 12/315:04 pm -
Nonstop1h 37m
Mon 1/410:18 am -
Nonstop2h 00m
Deal found 10/28![Alaska Airlines logo]()
$237
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.
Wed 11/252:02 pm -
Nonstop1h 40m
Wed 12/212:48 pm -
Nonstop1h 58m
Deal found 10/28![United Airlines logo]()
$265
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.
Thu 12/105:04 pm -
1 stop6h 22m
Tue 12/156:45 pm -
1 stop6h 12m
Deal found 10/25![Delta logo]()
$247
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 12/178:46 pm -
Nonstop2h 00m
Mon 12/215:00 pm -
1 stop7h 59m
Deal found 10/27![Alaska Airlines logo]()
$237
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.
Wed 12/23:00 pm -
1 stop7h 15m
Tue 12/84:25 pm -
1 stop6h 05m
Deal found 10/25![Southwest logo]()
$169
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/68:15 am -
Nonstop1h 53m
Sun 12/64:24 pm -
Nonstop1h 55m
Deal found 10/27![United Airlines logo]()
$277
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.
Fri 12/253:30 pm -
1 stop5h 44m
Tue 12/296:09 pm -
1 stop5h 06m
Deal found 10/25![Delta logo]()
$257
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.
Wed 12/232:55 pm -
1 stop3h 46m
Thu 12/245:00 pm -
1 stop6h 58m
Deal found 10/25![Alaska Airlines logo]()
$243
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 12/98:15 am -
Nonstop1h 53m
Wed 12/94:24 pm -
Nonstop1h 55m
Deal found 10/29![United Airlines logo]()
$285
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1711:29 am -
2 stops9h 57m
Thu 11/191:19 pm -
1 stop3h 47m
Deal found 10/26![Delta logo]()
$273
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.
Wed 11/1111:00 am -
Nonstop2h 15m
Sun 11/155:00 am -
1 stop5h 40m
Deal found 10/27![Southwest logo]()
$187
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.
Fri 12/45:08 pm -
Nonstop1h 47m
Sun 12/64:47 pm -
1 stop5h 09m
Deal found 10/27![Alaska Airlines logo]()
$249
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.
Thu 11/192:02 pm -
Nonstop1h 40m
Mon 11/237:10 pm -
Nonstop1h 54m
Deal found 10/28![United Airlines logo]()
$295
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 11/207:51 pm -
Nonstop2h 14m
Sun 11/226:33 am -
1 stop5h 20m
Deal found 10/29![Alaska Airlines logo]()
$254
Last-minute flights from California to IdahoDiscover last-minute flight deals from California to Idaho. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from California to Idaho. Data last updated October 30, 2026 and is based on user searches.
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/104:27 pm -
Nonstop2h 26m
Mon 11/166:43 pm -
Nonstop2h 20m
Deal found 10/25![Alaska Airlines logo]()
$143
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.
Tue 11/106:40 pm -
Nonstop2h 15m
Mon 11/168:20 am -
Nonstop2h 25m
Deal found 10/25![Southwest logo]()
$146
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/103:59 pm -
1 stop5h 53m
Mon 11/164:45 pm -
1 stop7h 14m
Deal found 10/26![Delta logo]()
$167
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 11/146:35 pm -
Nonstop2h 15m
Sun 11/155:00 am -
1 stop5h 40m
Deal found 10/25![Southwest logo]()
$157
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.
Tue 11/175:21 pm -
Nonstop1h 44m
Thu 11/198:03 am -
Nonstop1h 59m
Deal found 10/27![Alaska Airlines logo]()
$195
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.
Wed 11/1811:00 am -
Nonstop2h 15m
Sat 11/217:25 pm -
1 stop5h 10m
Deal found 10/28![Southwest logo]()
$125
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.
Wed 11/185:07 pm -
1 stop19h 47m
Wed 11/257:55 pm -
1 stop17h 53m
Deal found 10/26![Frontier logo]()
$164
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.
Wed 11/1810:00 am -
Nonstop1h 25m
Mon 11/239:50 pm -
Nonstop1h 35m
Deal found 10/28![Southwest logo]()
$180
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.
Wed 11/186:46 pm -
1 stop3h 47m
Mon 11/237:10 pm -
1 stop5h 34m
Deal found 10/28![United Airlines logo]()
$183
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.
Wed 11/187:05 am -
1 stop5h 00m
Thu 11/2612:40 pm -
1 stop3h 35m
Deal found 10/28![Southwest logo]()
$197
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.
Mon 11/237:15 am -
Nonstop1h 25m
Wed 12/26:40 pm -
Nonstop1h 30m
Deal found 10/27![Southwest logo]()
$163
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 11/237:55 pm -
1 stop4h 35m
Thu 11/2612:40 pm -
1 stop3h 25m
Deal found 10/28![Southwest logo]()
$200
One-way flights from California to IdahoSearch for one-way flight options from California to Idaho. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from California to Idaho. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Southwest deal was found by Cheapflights users on 10/27. 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.
Sat 11/216:25 pm -
Nonstop2h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Southwest logo]()
$58
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 11/228:50 pm -
Nonstop2h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Southwest logo]()
$59
This Super.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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:41 pm -
1 stop22h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$66
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.
Wed 11/185:07 pm -
1 stop19h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Frontier logo]()
$67
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.
Thu 11/198:00 am -
1 stop4h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Southwest logo]()
$68
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.
Fri 11/208:50 pm -
Nonstop2h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Southwest logo]()
$69
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1810:05 am -
1 stop26h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Frontier logo]()
$69
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/92:53 pm -
1 stop25h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Frontier logo]()
$70
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/107:00 am -
1 stop9h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Frontier logo]()
$71
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 12/1012:35 pm -
2 stops9h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Southwest logo]()
$73
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 1/52:55 pm -
2 stops7h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Southwest logo]()
$74
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.
Tue 12/297:56 pm -
1 stop19h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$75
Find flight deals from California to Idaho
Keep the following information in mind while searching for California to Idaho flight deals. Data was last updated October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $110 (Trip.com) |
One-way from | $58 (Southwest) |
Popular in | February |
Cheapest in | April |
Average price | $292 |
Good round-trip deal | $196 or less |
Good one-way deal | $108 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from California to Idaho that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 30, 2026.
Use the filters below to find and compare flights from California to Idaho that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San DiegoBoise
SAN San Diego - BOI Boise Air Term. Gowen Fld
SANBOI
San Diego
Mon 12/21
8:50 pm-12:10 am
Nonstop2h 20m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$59
San DiegoBoise
SAN San Diego - BOI Boise Air Term. Gowen Fld
SANBOI
San Diego
Thu 1/7
8:05 pm-11:25 pm
Nonstop2h 20m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$59
San DiegoBoise
SAN San Diego - BOI Boise Air Term. Gowen Fld
SANBOI
San Diego
Sat 11/21
7:45 am-12:25 pm
1 stop3h 40m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$63
San DiegoBoise
SAN San Diego - BOI Boise Air Term. Gowen Fld
SANBOI
San Diego
Sat 2/13
5:40 pm-10:40 pm
1 stop4h 00m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$69
San DiegoBoise
SAN San Diego - BOI Boise Air Term. Gowen Fld
SANBOI
San Diego
Tue 11/24
6:35 am-1:15 pm
1 stop5h 40m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$69
San DiegoBoise
SAN San Diego - BOI Boise Air Term. Gowen Fld
SANBOI
San Diego
Tue 12/29
7:56 pm-4:48 pm
1 stop19h 52m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$75
SacramentoBoise
SMF Sacramento Intl - BOI Boise Air Term. Gowen Fld
SMFBOI
Sacramento Intl
Thu 12/3
8:15 pm-10:50 pm
Nonstop1h 35m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$82
SacramentoBoise
SMF Sacramento Intl - BOI Boise Air Term. Gowen Fld
SMFBOI
Sacramento Intl
Wed 11/18
8:15 pm-10:50 pm
Nonstop1h 35m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$82
Santa RosaBoise
STS Santa Rosa Sonoma County - BOI Boise Air Term. Gowen Fld
STSBOI
Santa Rosa Sonoma County
Wed 1/27
7:00 am-12:17 pm
1 stop4h 17m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$85
Santa RosaBoise
STS Santa Rosa Sonoma County - BOI Boise Air Term. Gowen Fld
STSBOI
Santa Rosa Sonoma County
Wed 1/13
3:10 pm-11:25 pm
1 stop7h 15m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$85
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from California to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from California with our price prediction graph.
SAN-BOI
LAX-BOI
ONT-BOI
SMF-BOI
SJC-BOI
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 California to Idaho
USCA-USID
SAN-BOI
LAX-BOI
ONT-BOI
SMF-BOI
What is the cheapest month to book a flight from California to Idaho?
Currently, April is the cheapest month in which you can book a flight from California to Idaho (average of $281). Flying from California to Idaho in July is currently the most expensive (average of $376). 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 CA to ID?
Find hourly flight availability from California to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2026.
A simple way to save on the total cost of your ticket is to fly from California to Idaho in the evening. If you’re flexible enough to do this you can expect to save up to 17% on your trip compared to booking a flight at noon.
How much does it cost to fly round-trip from California to Idaho?
Airfare is below average for this route at the moment.
California to Idaho flights typically cost between $257 and $457 in December.The cheapest round-trip price found within the last 5 days was $213 on United Airlines (Dec 1-Dec 3).
How far ahead should I book a flight from California to Idaho?
The best time to book flights from California to Idaho is 81 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest day to fly from California to Idaho?
Use this chart to determine the cheapest time to fly round-trip from California to Idaho. Price data was last updated on October 24, 2026.
Travelers seeking maximum savings on their California to Idaho flight should consider departing on Tuesday at noon when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Idaho
Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated October 30, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Southwest, andDelta from California to Idaho to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Food
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Food
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Food
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Food
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Food
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Related info for your journey
Find useful and relevant information for your journey from California to Idaho. 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 California to Idaho
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Idaho by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from California to Idaho by cabin class
Find flights from California to Idaho, based on your preferred cabin class, be it economy, premium economy, business, or first class.
California and Idaho flights
Browse other California and Idaho 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 Idaho
Find the right flight back to California after your stay in Idaho
California to Idaho flights
Consider these flights traveling from California to Idaho.
Top 8 airlines flying from California to Idaho
Discover the top 8 airlines that operate flights from California to Idaho. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$108 | Average$456 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$111 | Average$212 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$123 | Average$344 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$134 | Average$426 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$138 | Average$241 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$143 | Average$295 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$157 | Average$342 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$296 | Average$495 | FlexibilityNo cancel fee | On-time71% |