HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Idaho

$48+ Cheap flights from California to Idaho

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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BOI
Nov 19 — Nov 261
Tue 11/19
Tue 11/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from California to Idaho 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 California to Idaho

Discover tips and strategies to find the most affordable flight options for your journey from California (USCA) to Idaho (USID). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 14, 2024.

Find flight deals from California to Idaho

Cheapest flights from California to Idaho
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 November 14, 2024.

This Mytrip deal was found by Cheapflights users on 11/14. Clicking the “Pick Dates” 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.
Fri 12/65:30 amLAX - BOI
1 stop4h 28mMultiple Airlines
Sun 12/810:50 pmBOI - LAX
2 stops15h 55mMultiple Airlines
Deal found 11/14$160
This FlightHub deal was found by Cheapflights users on 11/13. Clicking the “Pick Dates” 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 12/65:30 amLAX - BOI
1 stop4h 28mSpirit Airlines
Fri 12/1311:57 amBOI - LAX
1 stop9h 33mSpirit Airlines
Deal found 11/13$162
This Expedia deal was found by Cheapflights users on 11/14. Clicking the “Pick Dates” 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 12/305:30 amSMF - BOI
1 stop4h 32mMultiple Airlines
Mon 1/61:49 pmBOI - SMF
Nonstop1h 34mMultiple Airlines
Deal found 11/14$167
This United Airlines deal was found by Cheapflights users on 11/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/54:05 pmLAX - BOI
1 stop4h 24mUnited Airlines
Wed 12/112:15 pmBOI - LAX
Nonstop2h 20mUnited Airlines
Deal found 11/14$167
This Cheapflightsfares deal was found by Cheapflights users on 11/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/215:30 amSMF - BOI
1 stop4h 32mSpirit Airlines
Sat 12/2811:57 amBOI - SMF
1 stop7h 38mSpirit Airlines
Deal found 11/13$173
This Trip.com deal was found by Cheapflights users on 11/13. Clicking the “Pick Dates” 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 12/49:59 pmLAX - BOI
1 stop21h 30mAlaska Airlines
Sat 12/76:58 pmBOI - LAX
Nonstop2h 19mAlaska Airlines
Deal found 11/13$174
This FareScan deal was found by Cheapflights users on 11/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/227:03 pmBUR - BOI
1 stop14h 59mSpirit Airlines
Fri 12/2711:57 amBOI - BUR
1 stop7h 11mSpirit Airlines
Deal found 11/14$174
This United Airlines deal was found by Cheapflights users on 11/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/610:05 amSMF - BOI
1 stop5h 07mUnited Airlines
Mon 12/96:53 pmBOI - SMF
1 stop4h 26mUnited Airlines
Deal found 11/14$176
This Alaska Airlines deal was found by Cheapflights users on 11/13. Clicking the “Pick Dates” 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 12/79:00 amLAX - GEG
1 stop7h 55mAlaska Airlines
Tue 12/105:00 amGEG - LAX
1 stop6h 56mAlaska Airlines
Deal found 11/13$191
This Delta deal was found by Cheapflights users on 11/13. Clicking the “Pick Dates” 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 12/1211:05 amLAX - GEG
Nonstop2h 46mDelta
Mon 12/162:31 pmGEG - LAX
Nonstop2h 54mDelta
Deal found 11/13$197
This United Airlines deal was found by Cheapflights users on 11/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/149:00 pmSFO - GEG
Nonstop2h 15mUnited Airlines
Sat 12/217:00 amGEG - SFO
Nonstop2h 45mUnited Airlines
Deal found 11/14$202
This Alaska Airlines deal was found by Cheapflights users on 11/13. Clicking the “Pick Dates” 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 12/111:21 pmSFO - GEG
2 stops9h 23mAlaska Airlines
Tue 12/1711:47 amGEG - SFO
1 stop4h 29mAlaska Airlines
Deal found 11/13$204

Find flights from California to Idaho within your budget

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 2,752,363 searches. Data last updated November 14, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Los AngelesBoise

LAX - BOI

LAXBOI

Los Angeles

Fri 12/6

5:30 am-10:58 am

1 stop4h 28m

Boise Air Term. Gowen Fld

Sun 12/8

10:50 pm-1:45 pm

2 stops15h 55m

$160

Los AngelesBoise

LAX - BOI

LAXBOI

Los Angeles

Wed 12/4

10:08 am-10:58 am

2 stops23h 50m

Boise Air Term. Gowen Fld

Sat 12/7

3:45 pm-1:45 pm

2 stops23h 00m

$163

Los AngelesBoise

LAX - BOI

LAXBOI

Los Angeles

Thu 12/5

8:07 pm-11:18 pm

Nonstop2h 11m

Boise Air Term. Gowen Fld

Sat 12/7

6:58 pm-8:17 pm

Nonstop2h 19m

$167

SacramentoBoise

SMF - BOI

SMFBOI

Sacramento Intl

Mon 12/30

5:30 am-11:02 am

1 stop4h 32m

Boise Air Term. Gowen Fld

Mon 1/6

1:49 pm-2:23 pm

Nonstop1h 34m

$167

SacramentoBoise

SMF - BOI

SMFBOI

Sacramento Intl

Sat 12/21

5:30 am-11:02 am

1 stop4h 32m

Boise Air Term. Gowen Fld

Sat 12/28

11:57 am-6:35 pm

1 stop7h 38m

$173

BurbankBoise

BUR - BOI

BURBOI

Burbank Bob Hope

Sun 12/22

7:03 pm-11:02 am

1 stop14h 59m

Boise Air Term. Gowen Fld

Fri 12/27

11:57 am-6:08 pm

1 stop7h 11m

$174

SacramentoBoise

SMF - BOI

SMFBOI

Sacramento Intl

Fri 12/6

10:05 am-4:12 pm

1 stop5h 07m

Boise Air Term. Gowen Fld

Mon 12/9

6:53 pm-10:19 pm

1 stop4h 26m

$176

Los AngelesSpokane

LAX - GEG

LAXGEG

Los Angeles

Sun 1/19

7:00 am-12:43 pm

1 stop5h 43m

Spokane

Sun 1/26

6:00 am-11:15 am

1 stop5h 15m

$176

Los AngelesBoise

LAX - BOI

LAXBOI

Los Angeles

Tue 12/17

8:05 am-4:12 pm

1 stop7h 07m

Boise Air Term. Gowen Fld

Wed 12/18

6:53 pm-12:06 am

1 stop6h 13m

$176

Los AngelesBoise

LAX - BOI

LAXBOI

Los Angeles

Sat 12/7

8:20 am-11:32 am

Nonstop2h 12m

Boise Air Term. Gowen Fld

Sat 12/14

5:10 pm-11:03 pm

1 stop6h 53m

$180

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/14

Showing 1-10 of 60 results
1
2
3
...
6

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.
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.

Travel insights for flights from California to Idaho

Get recent, data-driven insights about flights from California to Idaho including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from California to Idaho?

Currently, January is the cheapest month in which you can book a flight from California to Idaho (average of $310). Flying from California to Idaho in June is currently the most expensive (average of $436). 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 November 14, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from California to Idaho as you normally would.

Weekly flight availability from California to Idaho

Explore weekly flight availability from California to Idaho. 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 November 14, 2024.

The most flights from USCA to USID are scheduled on a Thursday (31 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 on average).

Rainfall in Idaho by month

Plan your trip to Idaho by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

Plan your trip to Idaho by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho, 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 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

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 November 14, 2024.
Peruse reviews from past customers who have flown with Delta, Spirit Airlines and Southwest 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.
Southwest
8.1
Very good
5,045 reviews

Food

7.2

Crew

8.7

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.3

Reviews

1 / 10

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

Southwest
8.1
Very good
5,045 reviews
Southwest
8.1
Very good
5,045 reviews

Food

7.2

Crew

8.7

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.3

Reviews

1 / 10

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

Alaska Airlines
8.0
Very good
9,439 reviews
Southwest
8.1
Very good
5,045 reviews

Food

7.2

Crew

8.7

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.3

Reviews

1 / 10

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

Delta
8.0
Very good
8,788 reviews
Southwest
8.1
Very good
5,045 reviews

Food

7.2

Crew

8.7

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.3

Reviews

1 / 10

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

Qatar Airways
7.5
Good
3,861 reviews
Southwest
8.1
Very good
5,045 reviews

Food

7.2

Crew

8.7

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.3

Reviews

1 / 10

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

United Airlines
7.4
Good
9,194 reviews
Southwest
8.1
Very good
5,045 reviews

Food

7.2

Crew

8.7

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.3

Reviews

1 / 10

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

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.

  • How popular is this California to Idaho flight route?

    The California to Idaho flight path was viewed by 20 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from California to Idaho one-way?

    $48 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Delta and Alaska Airlines, with prices starting from $69 and $69, respectively.

  • Can I find deals for flights from California to Idaho that include hotel bookings?

    Yes. In addition to deals on California to Idaho flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from California to Idaho?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from California to Idaho.

  • Can I find deals for business class flights from California to Idaho?

    Yes. Cheapflights offers flight deals from California to Idaho by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from California to Idaho?

    Currently, January is the cheapest month in which you can book a flight from California to Idaho (average of $310). Flying from California to Idaho in June is currently the most expensive (average of $436). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for California to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Miami flights
Newark to Fort Lauderdale flights
LaGuardia to Fort Lauderdale flights
LaGuardia to Miami flights
Dallas/Fort Worth to LaGuardia flights
Los Angeles to John F Kennedy Intl flights
John F Kennedy Intl to Los Angeles flights
LaGuardia to Dallas/Fort Worth flights
John F Kennedy Intl to Miami flights
Los Angeles to Newark flights
Newark to Los Angeles flights
John F Kennedy Intl to Fort Lauderdale flights
John F Kennedy Intl to Orlando flights
Dallas/Fort Worth to John F Kennedy Intl flights
John F Kennedy Intl to Las Vegas flights
Dallas/Fort Worth to Newark flights
Newark to Dallas/Fort Worth flights
John F Kennedy Intl to Dallas/Fort Worth flights
Atlanta to John F Kennedy Intl flights
Miami to LaGuardia flights
Los Angeles to Dallas/Fort Worth flights
Dallas/Fort Worth to Las Vegas flights
Fort Lauderdale to LaGuardia flights
San Francisco to John F Kennedy Intl flights
Newark to Orlando flights
John F Kennedy Intl to Atlanta flights
LaGuardia to Orlando flights
Miami to John F Kennedy Intl flights
John F Kennedy Intl to San Francisco flights
O'Hare Intl to LaGuardia flights
O'Hare Intl to Miami flights
Fort Lauderdale to Newark flights
Dallas/Fort Worth to Los Angeles flights
Los Angeles to LaGuardia flights
Dallas/Fort Worth to Orlando flights
Seattle to Los Angeles flights
Los Angeles to Seattle flights
Boston to Orlando flights
LaGuardia to Los Angeles flights
LaGuardia to Hobby flights
Orlando to John F Kennedy Intl flights
O'Hare Intl to Orlando flights
Baltimore to Dallas/Fort Worth flights
Newark to Las Vegas flights
Los Angeles to Honolulu flights
Newark to O'Hare Intl flights
O'Hare Intl to Los Angeles flights
O'Hare Intl to Fort Lauderdale flights
Newark to Hobby flights
Hobby to LaGuardia flights

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 2,752,363 searches. Data last updated November 14, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$74Average$158FlexibilityNo cancel feeOn-time65%
Avelo AirlinesCheapest$80Average$152FlexibilityNo cancel feeOn-timeN/A
Allegiant AirCheapest$94Average$191FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$104Average$444FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$108Average$364FlexibilityNo cancel feeOn-time75%
DeltaCheapest$122Average$475FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$178Average$335FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$218Average$394FlexibilityNo cancel feeOn-time71%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines