$33+ Cheap flights from California to Boise (BOI)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BOI
Sep 5 — Sep 121
Round-trip
1 adult, Economy
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Find cheap flights from California to Boise 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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Cheapest flights from California to BoiseExplore the most affordable flight options available from California to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 6, 2026.
Explore the most affordable flight options available from California to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 6, 2026.
This Expedia deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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.
Thu 9/1011:00 am -
Nonstop1h 55m
Mon 9/212:50 pm -
Nonstop1h 55m
Deal found 8/1![Frontier logo]()
$66
This Frontier deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:00 am -
Nonstop1h 55m
Thu 10/12:50 pm -
Nonstop1h 55m
Deal found 8/1![Frontier logo]()
$67
This Priceline deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 10/2212:01 pm -
Nonstop1h 56m
Sun 10/253:52 pm -
Nonstop1h 51m
Deal found 8/2![Frontier logo]()
$73
This Frontier deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:00 am -
Nonstop1h 55m
Sun 10/42:50 pm -
Nonstop1h 55m
Deal found 8/1![Frontier logo]()
$75
This Frontier deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:00 am -
Nonstop1h 55m
Mon 9/212:50 pm -
Nonstop1h 55m
Deal found 8/1![Frontier logo]()
$77
This Frontier deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:00 am -
Nonstop1h 55m
Thu 10/12:50 pm -
Nonstop1h 55m
Deal found 8/1![Frontier logo]()
$78
This Orbitz deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/211:00 am -
Nonstop1h 55m
Sun 10/42:50 pm -
Nonstop1h 55m
Deal found 8/1![Frontier logo]()
$84
This Frontier deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:00 am -
Nonstop1h 55m
Sun 10/42:50 pm -
Nonstop1h 55m
Deal found 8/1![Frontier logo]()
$86
This Frontier deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:00 am -
Nonstop1h 55m
Thu 9/242:50 pm -
Nonstop1h 55m
Deal found 8/1![Frontier logo]()
$87
This Trip.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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.
Fri 9/1811:00 am -
Nonstop1h 55m
Sun 9/202:50 pm -
Nonstop1h 55m
Deal found 8/3![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/179:03 pm -
1 stop15h 52m
Mon 9/212:50 pm -
1 stop6h 27m
Deal found 8/1![Frontier logo]()
$130
This Southwest deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 9/168:45 am -
Nonstop2h 15m
Sun 9/207:00 am -
Nonstop2h 15m
Deal found 8/2![Southwest logo]()
$137
Best flights from California to BoiseDiscover carefully curated flight deals from California to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 6, 2026.
Discover carefully curated flight deals from California to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 6, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 9/1710:45 am -
Nonstop2h 17m
Mon 9/217:20 am -
Nonstop2h 21m
Deal found 8/2![Alaska Airlines logo]()
$137
This Delta deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 9/196:15 am -
1 stop5h 01m
Sat 9/195:20 pm -
1 stop6h 08m
Deal found 8/1![Delta logo]()
$157
This Southwest deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 11/96:30 am -
1 stop4h 10m
Tue 11/107:20 am -
2 stops5h 30m
Deal found 8/1![Southwest logo]()
$162
This Alaska Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/194:58 pm -
Nonstop2h 22m
Mon 9/216:49 pm -
Nonstop2h 30m
Deal found 8/1![Alaska Airlines logo]()
$137
This United Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 9/18:55 am -
1 stop8h 03m
Thu 9/36:15 am -
1 stop6h 51m
Deal found 8/6![United Airlines logo]()
$285
This Alaska Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/164:58 pm -
Nonstop2h 22m
Sat 9/197:20 am -
Nonstop2h 21m
Deal found 8/2![Alaska Airlines logo]()
$137
This Southwest deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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 9/105:30 pm -
Nonstop2h 15m
Mon 9/146:30 am -
Nonstop2h 15m
Deal found 8/3![Southwest logo]()
$167
This Delta deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:02 pm -
1 stop5h 57m
Sun 8/308:45 am -
1 stop4h 21m
Deal found 8/2![Delta logo]()
$187
This Southwest deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 9/157:40 pm -
Nonstop1h 50m
Tue 9/2211:30 am -
2 stops6h 20m
Deal found 8/1![Southwest logo]()
$172
This Southwest deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 9/1011:25 am -
Nonstop1h 50m
Mon 9/217:00 am -
2 stops5h 25m
Deal found 8/1![Southwest logo]()
$172
This Alaska Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 9/110:45 am -
Nonstop2h 17m
Tue 9/87:20 am -
Nonstop2h 21m
Deal found 8/4![Alaska Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:51 pm -
1 stop3h 08m
Sun 8/306:00 am -
1 stop3h 53m
Deal found 8/1![Delta logo]()
$197
This Alaska Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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 10/314:42 pm -
Nonstop2h 01m
Wed 11/44:48 pm -
Nonstop2h 03m
Deal found 8/3![Alaska Airlines logo]()
$177
This Southwest deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 10/66:50 am -
1 stop4h 25m
Sat 10/105:15 pm -
Nonstop1h 25m
Deal found 8/2![Southwest logo]()
$187
This Delta deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 9/51:06 pm -
1 stop3h 46m
Tue 9/86:44 pm -
1 stop4h 20m
Deal found 8/1![Delta logo]()
$207
This Alaska Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 9/1510:25 am -
1 stop4h 07m
Tue 9/227:20 am -
Nonstop2h 21m
Deal found 8/1![Alaska Airlines logo]()
$187
This Southwest deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 9/17:50 pm -
Nonstop1h 25m
Tue 9/86:25 am -
1 stop7h 50m
Deal found 8/2![Southwest logo]()
$197
This Delta deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 9/187:59 pm -
Nonstop2h 00m
Mon 9/214:00 pm -
Nonstop2h 23m
Deal found 8/5![Delta logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 11/710:07 am -
Nonstop2h 21m
Wed 11/1112:52 pm -
1 stop6h 27m
Deal found 8/2![Alaska Airlines logo]()
$187
This Southwest deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/194:35 pm -
Nonstop2h 10m
Mon 8/243:45 pm -
Nonstop2h 15m
Deal found 8/1![Southwest logo]()
$197
This Delta deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 10/156:00 am -
1 stop3h 42m
Mon 10/196:50 pm -
1 stop6h 05m
Deal found 8/6![Delta logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 10/284:42 pm -
Nonstop2h 01m
Sat 10/315:59 am -
1 stop5h 50m
Deal found 8/2![Alaska Airlines logo]()
$197
This Southwest deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 9/151:45 pm -
2 stops7h 45m
Sat 9/194:05 pm -
1 stop3h 50m
Deal found 8/5![Southwest logo]()
$198
This Delta deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/129:40 am -
1 stop4h 27m
Sun 11/157:05 am -
1 stop4h 37m
Deal found 8/1![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:45 am -
2 stops6h 30m
Sat 8/297:15 am -
Nonstop1h 25m
Deal found 8/2![Southwest logo]()
$202
This Alaska Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 11/76:35 pm -
Nonstop1h 46m
Wed 11/1110:13 am -
Nonstop2h 00m
Deal found 8/2![Alaska Airlines logo]()
$207
This Delta deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 10/66:00 am -
1 stop3h 42m
Sun 10/118:25 am -
1 stop6h 47m
Deal found 8/1![Delta logo]()
$237
This Delta deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 9/115:45 am -
1 stop5h 31m
Mon 9/146:44 pm -
1 stop6h 15m
Deal found 8/4![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 11/59:05 am -
Nonstop1h 35m
Sun 11/810:15 am -
Nonstop1h 50m
Deal found 8/2![Southwest logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 10/226:18 pm -
Nonstop1h 42m
Sat 10/247:20 am -
Nonstop1h 57m
Deal found 8/1![Alaska Airlines logo]()
$217
Last-minute flights from California to BoiseDiscover last-minute flight deals from California to Boise. Data last updated August 6, 2026 and is based on user searches.
Discover last-minute flight deals from California to Boise. Data last updated August 6, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:20 am -
1 stop4h 10m
Sun 9/66:20 am -
Nonstop2h 15m
Deal found 8/2![Southwest logo]()
$143
This Frontier deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:00 am -
Nonstop1h 55m
Mon 9/142:50 pm -
Nonstop1h 55m
Deal found 8/1![Frontier logo]()
$67
This Jettzy deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:00 am -
Nonstop1h 55m
Mon 9/212:50 pm -
Nonstop1h 55m
Deal found 8/1![Frontier logo]()
$68
This Southwest deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 9/168:45 am -
Nonstop2h 15m
Sun 9/207:00 am -
Nonstop2h 15m
Deal found 8/2![Southwest logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 9/165:54 pm -
1 stop19h 01m
Mon 9/212:50 pm -
1 stop6h 27m
Deal found 8/1![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/179:03 pm -
1 stop15h 52m
Mon 9/212:50 pm -
1 stop6h 27m
Deal found 8/1![Frontier logo]()
$130
This Trip.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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.
Fri 9/1811:00 am -
Nonstop1h 55m
Sun 9/202:50 pm -
Nonstop1h 55m
Deal found 8/3![Frontier logo]()
$88
This Southwest deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/184:45 pm -
1 stop6h 10m
Mon 9/213:45 pm -
Nonstop2h 15m
Deal found 8/2![Southwest logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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.
Sat 9/195:54 pm -
1 stop19h 01m
Mon 9/212:50 pm -
1 stop6h 27m
Deal found 8/1![Frontier logo]()
$151
This Super.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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 9/2411:00 am -
Nonstop1h 55m
Mon 9/282:50 pm -
Nonstop1h 55m
Deal found 8/3![Frontier logo]()
$66
This Frontier deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2411:00 am -
Nonstop1h 55m
Sun 9/272:50 pm -
Nonstop1h 55m
Deal found 8/3![Frontier logo]()
$94
This Super.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 9/2511:00 am -
Nonstop1h 55m
Sun 9/272:50 pm -
Nonstop1h 55m
Deal found 8/2![Frontier logo]()
$107
One-way flights from California to BoiseSearch for one-way flight options from California to Boise. Find affordable one-way fares based on user searches. Data last updated August 6, 2026.
Search for one-way flight options from California to Boise. Find affordable one-way fares based on user searches. Data last updated August 6, 2026.
This Expedia deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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.
Thu 10/111:00 am -
Nonstop1h 55m
Deal found 8/2![Frontier logo]()
$33
This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2811:00 am -
Nonstop1h 55m
Deal found 8/3![Frontier logo]()
$34
This Frontier deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3012:01 pm -
Nonstop1h 56m
Deal found 8/1![Frontier logo]()
$44
This Frontier deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 11/212:01 pm -
Nonstop1h 56m
Deal found 8/1![Frontier logo]()
$50
This Frontier deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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 10/812:01 pm -
Nonstop1h 56m
Deal found 8/3![Frontier logo]()
$54
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 9/165:20 pm -
1 stop19h 35m
Deal found 8/2![Frontier logo]()
$60
This Frontier deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/511:00 am -
Nonstop1h 55m
Deal found 8/2![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 9/95:20 pm -
1 stop19h 35m
Deal found 8/2![Frontier logo]()
$67
This CheapOair deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 9/2011:40 am -
Nonstop2h 08m
Deal found 8/4![Allegiant Air logo]()
$69
This Alaska Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 10/307:31 pm -
Nonstop2h 20m
Deal found 8/2![Alaska Airlines logo]()
$69
This Super.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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.
Sun 9/1311:00 am -
Nonstop1h 55m
Deal found 8/4![Frontier logo]()
$69
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 9/3011:30 am -
1 stop25h 25m
Deal found 8/2![Frontier logo]()
$70
Find flight deals from California to Boise
Keep the following information in mind while searching for California to Boise flight deals. Data was last updated August 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $66 (Expedia) |
One-way from | $33 (Frontier) |
Popular in | July |
Cheapest in | April |
Average price | $306 |
Good round-trip deal | $188 or less |
Good one-way deal | $101 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from California to Boise that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 6, 2026.
Use the filters below to find and compare flights from California to Boise 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
Thu 9/17
10:45 am-2:02 pm
Nonstop2h 17m
Boise Air Term. Gowen Fld
Mon 9/21
7:20 am-8:41 am
Nonstop2h 21m
$137
San DiegoBoise
SAN San Diego - BOI Boise Air Term. Gowen Fld
SANBOI
San Diego
Sat 9/19
4:58 pm-8:20 pm
Nonstop2h 22m
Boise Air Term. Gowen Fld
Mon 9/21
6:49 pm-8:19 pm
Nonstop2h 30m
$137
San DiegoBoise
SAN San Diego - BOI Boise Air Term. Gowen Fld
SANBOI
San Diego
Wed 9/16
4:58 pm-8:20 pm
Nonstop2h 22m
Boise Air Term. Gowen Fld
Sat 9/19
7:20 am-8:41 am
Nonstop2h 21m
$137
San DiegoBoise
SAN San Diego - BOI Boise Air Term. Gowen Fld
SANBOI
San Diego
Sat 9/19
6:15 am-12:16 pm
1 stop5h 01m
Boise Air Term. Gowen Fld
Sat 9/19
5:20 pm-10:28 pm
1 stop6h 08m
$157
San DiegoBoise
SAN San Diego - BOI Boise Air Term. Gowen Fld
SANBOI
San Diego
Mon 11/9
6:30 am-11:40 am
1 stop4h 10m
Boise Air Term. Gowen Fld
Tue 11/10
7:20 am-11:50 am
2 stops5h 30m
$162
San DiegoBoise
SAN San Diego - BOI Boise Air Term. Gowen Fld
SANBOI
San Diego
Thu 9/10
5:30 pm-8:45 pm
Nonstop2h 15m
Boise Air Term. Gowen Fld
Mon 9/14
6:30 am-7:45 am
Nonstop2h 15m
$167
Las VegasBoise
LAS Las Vegas Harry Reid Intl - BOI Boise Air Term. Gowen Fld
LASBOI
Las Vegas Harry Reid Intl
Tue 9/15
7:40 pm-10:30 pm
Nonstop1h 50m
Boise Air Term. Gowen Fld
Tue 9/22
11:30 am-4:50 pm
2 stops6h 20m
$172
Las VegasBoise
LAS Las Vegas Harry Reid Intl - BOI Boise Air Term. Gowen Fld
LASBOI
Las Vegas Harry Reid Intl
Thu 9/10
11:25 am-2:15 pm
Nonstop1h 50m
Boise Air Term. Gowen Fld
Mon 9/21
7:00 am-11:25 am
2 stops5h 25m
$172
San DiegoBoise
SAN San Diego - BOI Boise Air Term. Gowen Fld
SANBOI
San Diego
Tue 9/1
10:45 am-2:02 pm
Nonstop2h 17m
Boise Air Term. Gowen Fld
Tue 9/8
7:20 am-8:41 am
Nonstop2h 21m
$177
OntarioBoise
ONT Ontario - BOI Boise Air Term. Gowen Fld
ONTBOI
Ontario
Sat 10/31
4:42 pm-7:43 pm
Nonstop2h 01m
Boise Air Term. Gowen Fld
Wed 11/4
4:48 pm-5:51 pm
Nonstop2h 03m
$177
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from California to Boise
Have a flexible travel schedule? Discover the best time to fly to Boise from California with our price prediction graph.
SAN-BOI
SNA-BOI
LAS-BOI
ONT-BOI
SMF-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 Boise
USCA-BOI
SAN-BOI
SNA-BOI
LAS-BOI
ONT-BOI
What is the cheapest month to book a flight from California to Boise?
Currently, January is the cheapest month in which you can book a flight from California to Boise (average of $265). Flying from California to Boise in July is currently the most expensive (average of $358). 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 BOI?
Find hourly flight availability from California to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 6, 2026.
It’s typically best to fly out from California to Boise in the evening. Doing so could potentially save you 13% on the flight price compared to flying in the morning, which is usually more expensive.
Weekly flight availability from California to Boise
Explore weekly flight availability from California to Boise. 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 August 6, 2026.
The most flights from USCA to BOI are scheduled on a Wednesday (27 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (15 on average).
How much does it cost to fly round-trip from California to Boise?
Airfare is below average for this route at the moment.
California to Boise flights typically cost between $221 and $421 in September.The cheapest round-trip price found within the last 5 days was $207 on Alaska Airlines (Sep 2-Sep 9).
How far ahead should I book a flight from California to Boise?
The best time to book flights from California to Boise is 70 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 Boise?
Use this chart to determine the cheapest time to fly round-trip from California to Boise. Price data was last updated on August 1, 2026.
Travelers seeking maximum savings on their California to Boise 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.
Related info for your journey
Find useful and relevant information for your journey from California to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Boise?
Book flights to Boise if you plan to visit one of these locationsOntario
Meridian
Nampa
Caldwell
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes
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Alternative routes for California to Boise
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Other flights to Boise
Explore flights to Boise departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 6, 2026.
Complete your trip
Complete your trip to Boise by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from California to Boise by cabin class
Find flights from California to Boise, based on your preferred cabin class, be it economy, premium economy, business, or first class.
California and Boise flights
Browse other California and Boise flight options. Last updated on August 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
California to Boise flights
Consider these flights traveling from California to Boise.
Top 8 airlines flying from California to Boise
Discover the top 8 airlines that operate flights from California to Boise. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$226 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$108 | Average$291 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$119 | Average$303 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$134 | Average$317 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$137 | Average$245 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$147 | Average$338 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$256 | Average$306 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$307 | Average$567 | FlexibilityNo cancel fee | On-time71% |