$35+ Cheap flights from Idaho to California
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LAX
Apr 2 — Apr 91
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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
Keep the following information in mind while searching for Idaho to California flight deals. Data was last updated March 28, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $104 (Cheapflightsfares) |
One-way from | $35 (Kiwi.com) |
Popular in | March |
Cheapest in | April |
Average price | $343 |
Good round-trip deal | $122 or less |
Good one-way deal | $93 or less |
Find flight deals from Idaho to California
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 March 28, 2025.
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 March 28, 2025.
This Cheapflightsfares deal was found by Cheapflights users on 3/28. 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.
Fri 5/236:03 pmGEG - LAX
Nonstop2h 39mAllegiant Air
Mon 5/262:38 pmLAX - GEG
Nonstop2h 35mAllegiant Air
Deal found 3/28![Allegiant Air logo]()
$104
This Expedia deal was found by Cheapflights users on 3/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/52:41 pmBOI - LAS
1 stop7h 19mMultiple Airlines
Fri 5/98:35 amLAS - BOI
Nonstop1h 46mMultiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/279:35 amGEG - LAS
Nonstop2h 23mAllegiant Air
Thu 5/86:15 amLAS - GEG
Nonstop2h 30mAllegiant Air
Deal found 3/28![Allegiant Air logo]()
$112
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/161:52 pmBOI - LAS
Nonstop1h 53mSpirit Airlines
Mon 4/2110:04 amLAS - BOI
Nonstop1h 53mSpirit Airlines
Deal found 3/27![Spirit Airlines logo]()
$114
This Mytrip deal was found by Cheapflights users on 3/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/156:51 pmBOI - SNA
Nonstop2h 15mAllegiant Air
Sat 5/3110:43 amSNA - BOI
Nonstop2h 07mAllegiant Air
Deal found 3/27![Allegiant Air logo]()
$118
This Southwest deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/33:15 pmBOI - SJC
Nonstop1h 45mSouthwest
Tue 5/611:50 amSJC - BOI
Nonstop1h 35mSouthwest
Deal found 3/28![Southwest logo]()
$137
This Hawaiian Airlines deal was found by Cheapflights users on 3/27. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/77:00 amBOI - SMF
Nonstop1h 30mHawaiian Airlines
Wed 5/1410:00 amSMF - BOI
Nonstop1h 24mHawaiian Airlines
Deal found 3/27![Hawaiian Airlines logo]()
$137
This Mytrip deal was found by Cheapflights users on 3/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1810:23 amGEG - LAS
Nonstop2h 23mMultiple Airlines
Thu 5/297:56 pmLAS - GEG
1 stop21h 17mMultiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$138
This FlightHub deal was found by Cheapflights users on 3/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/114:26 pmBOI - SNA
Nonstop2h 16mMultiple Airlines
Tue 4/153:11 pmSNA - BOI
1 stop20h 46mMultiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$143
This Hawaiian Airlines deal was found by Cheapflights users on 3/28. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/310:00 amBOI - SJC
Nonstop1h 53mHawaiian Airlines
Tue 5/68:24 amSJC - BOI
1 stop7h 31mHawaiian Airlines
Deal found 3/28![Hawaiian Airlines logo]()
$147
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 5/65:40 pmBOI - LAS
Nonstop1h 50mAlaska Airlines
Tue 5/133:54 pmLAS - BOI
1 stop5h 45mAlaska Airlines
Deal found 3/27![Alaska Airlines logo]()
$147
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1712:50 pmBOI - SJC
1 stop4h 03mDelta
Sat 5/244:00 pmSJC - BOI
1 stop6h 28mDelta
Deal found 3/27![Delta logo]()
$157
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 2,558,603 searches. Data last updated March 28, 2025.
Use the filters below to find and compare flights from Idaho to California that are best for you.
Fly from
Idaho
Fly to
California
Route
Depart
Return
Price
SpokaneLos Angeles
GEG - LAX
GEGLAX
Spokane
Fri 5/23
6:03 pm-8:42 pm
Nonstop2h 39m
Los Angeles
Mon 5/26
2:38 pm-5:13 pm
Nonstop2h 35m
$104
BoiseLas Vegas
BOI - LAS
BOILAS
Boise Air Term. Gowen Fld
Mon 5/5
2:41 pm-9:00 pm
1 stop7h 19m
Las Vegas Harry Reid Intl
Fri 5/9
8:35 am-11:21 am
Nonstop1h 46m
$110
SpokaneLas Vegas
GEG - LAS
GEGLAS
Spokane
Sun 4/27
9:35 am-11:58 am
Nonstop2h 23m
Las Vegas Harry Reid Intl
Thu 5/8
6:15 am-8:45 am
Nonstop2h 30m
$112
BoiseLas Vegas
BOI - LAS
BOILAS
Boise Air Term. Gowen Fld
Wed 4/16
1:52 pm-2:45 pm
Nonstop1h 53m
Las Vegas Harry Reid Intl
Mon 4/21
10:04 am-12:57 pm
Nonstop1h 53m
$114
BoiseSanta Ana
BOI - SNA
BOISNA
Boise Air Term. Gowen Fld
Thu 5/15
6:51 pm-8:06 pm
Nonstop2h 15m
Santa Ana J. Wayne/Orange Cnty
Sat 5/31
10:43 am-1:50 pm
Nonstop2h 07m
$118
BoiseSan Jose
BOI - SJC
BOISJC
Boise Air Term. Gowen Fld
Sat 5/3
3:15 pm-4:00 pm
Nonstop1h 45m
San Jose
Tue 5/6
11:50 am-2:25 pm
Nonstop1h 35m
$137
BoiseSacramento
BOI - SMF
BOISMF
Boise Air Term. Gowen Fld
Wed 5/7
7:00 am-7:30 am
Nonstop1h 30m
Sacramento Intl
Wed 5/14
10:00 am-12:24 pm
Nonstop1h 24m
$137
SpokaneLas Vegas
GEG - LAS
GEGLAS
Spokane
Sun 5/18
10:23 am-12:46 pm
Nonstop2h 23m
Las Vegas Harry Reid Intl
Thu 5/29
7:56 pm-5:13 pm
1 stop21h 17m
$138
BoiseSanta Ana
BOI - SNA
BOISNA
Boise Air Term. Gowen Fld
Fri 4/11
4:26 pm-5:42 pm
Nonstop2h 16m
Santa Ana J. Wayne/Orange Cnty
Tue 4/15
3:11 pm-12:57 pm
1 stop20h 46m
$143
BoiseLas Vegas
BOI - LAS
BOILAS
Boise Air Term. Gowen Fld
Tue 5/6
5:40 pm-6:30 pm
Nonstop1h 50m
Las Vegas Harry Reid Intl
Tue 5/13
3:54 pm-10:39 pm
1 stop5h 45m
$147
Showing 1-10 of 60 results
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.
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
What is the cheapest month to book a flight from Idaho to California?
Currently, January is the cheapest month in which you can book a flight from Idaho to California (average of $246). Flying from Idaho to California in March is currently the most expensive (average of $330). 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 March 28, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to California as you normally would.
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 March 28, 2025.
The most flights from USID to USCA are scheduled on a Friday (27 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (12 on average).
Rainfall in California by month
Plan your trip to California by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in California ranges from 0.0 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. July is typically the driest time to visit California when rainfall is around 0.0 in.
Temperature in California by month
Plan your trip to California by taking into account the average temperature totals by month.
If weather is an important factor for your trip to California, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).
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 March 28, 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines and Delta from Idaho to California to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.2
Comfort
8.1
Food
7.1
Entertainment
7.6
Overall
8.1
Crew
8.7
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Boarding
8.2
Comfort
8.1
Food
7.1
Entertainment
7.6
Overall
8.1
Crew
8.7
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Boarding
8.2
Comfort
8.1
Food
7.1
Entertainment
7.6
Overall
8.1
Crew
8.7
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Boarding
8.2
Comfort
8.1
Food
7.1
Entertainment
7.6
Overall
8.1
Crew
8.7
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Boarding
8.2
Comfort
8.1
Food
7.1
Entertainment
7.6
Overall
8.1
Crew
8.7
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Boarding
8.2
Comfort
8.1
Food
7.1
Entertainment
7.6
Overall
8.1
Crew
8.7
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Related info for your journey
Find useful and relevant information for your journey from Idaho to California. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Idaho to California
See prices for flight routes from nearby airports that may be better suited for you.
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 2,558,603 searches. Data last updated March 28, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$67 | Average$132 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$69 | Average$155 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$78 | Average$419 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$88 | Average$259 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$115 | Average$189 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$145 | Average$314 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$157 | Average$392 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$157 | Average$335 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$241 | Average$373 | FlexibilityNo cancel fee | On-time71% |