What airlines fly to California?

Alaska Airlines, Southwest and Delta are the top three most popular airlines that fly to California from Idaho according to our data. Alaska Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to California. Keep in mind that there are 9 different airlines that fly to California on a routine basis, so you have a few additional options to choose from.

How many flights depart from Idaho to California on average per week?

588 flights are operational weekly from Idaho to California as of August 2025. The most popular departure day for this route is Thu, with 19% of flights per week taking off on this day.

How many flights depart from Idaho to California on average per day?

The number of flights available between Idaho and California is 84 per day as of August 2025. The most frequent departure time is 7:00AM, with 47% of daily flights leaving at noon.

How long is the flight from Idaho to California?

Flight times from Idaho to California vary, but if you’re flying out of Boise and flying into Los Angeles (one of the most popular routes), then the duration is 2h 15m on average. Another popular route from Idaho to California is flying from Hailey to Los Angeles, which will take roughly 2h 33m. Keep in mind that layovers or delays could extend your travel time.

What is the cheapest airline that flies from Idaho to California?

Spirit Airlines, Allegiant Air, and Southwest are the most popular carriers operating from Idaho to California

When did momondo last update prices for flights from Idaho to California?

Prices for flights from Idaho to California refresh daily.

How many operators does momondo search for flights from Idaho to California?

The number of operators available for flights from Idaho to California is 9 as of August 2025.

How old do you have to be to fly from Idaho to California?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Idaho to California.

What documentation or ID do you need to fly to California?

The required travel and health documents for your California trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at California. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$34 Cheap Flights from Idaho to California in 2025

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Find the cheapest flights from Idaho to California

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

2:16 pm - 3:07 pmBOI-LAS

1h 51mnonstop

10:26 am - 1:21 pmLAS-BOI

1h 55mnonstop

$70Spirit Airlines

Find Deal

Thu, Sep 18 - Sat, Sep 20

2:16 pm - 3:07 pmBOI-LAS

1h 51mnonstop

5:36 pm - 8:31 pmLAS-BOI

1h 55mnonstop

$72Spirit Airlines

Find Deal

Thu, Sep 4 - Mon, Sep 8

6:00 am - 6:45 amBOI-LAS

1h 45mnonstop

9:40 pm - 12:25 amLAS-BOI

1h 45mnonstop

$95Southwest

Find Deal

Tue, Sep 16 - Thu, Sep 18

7:00 pm - 10:00 pmBOI-LAS

4h 00m1 stop

9:40 pm - 12:25 amLAS-BOI

1h 45mnonstop

$104Southwest

Find Deal

Mon, Sep 15 - Thu, Sep 18

3:37 pm - 4:27 pmBOI-SFO

1h 50mnonstop

8:00 am - 10:39 amSFO-BOI

1h 39mnonstop

$116Alaska Airlines

Find Deal

Sat, Oct 4 - Mon, Oct 6

2:45 pm - 3:35 pmBOI-SFO

1h 50mnonstop

8:50 pm - 11:34 pmSFO-BOI

1h 44mnonstop

$118United Airlines

Find Deal

Thu, Aug 28 - Sat, Aug 30

2:44 pm - 3:35 pmBOI-SFO

1h 51mnonstop

8:59 pm - 11:44 pmSFO-BOI

1h 45mnonstop

$127United Airlines

Find Deal

Wed, Oct 1 - Sat, Oct 4

8:10 am - 9:34 amBOI-LAX

2h 24mnonstop

12:51 pm - 7:38 pmLAX-BOI

5h 47m1 stop

$130Alaska Airlines

Find Deal

Tue, Sep 30 - Tue, Sep 30

7:30 am - 12:45 pmBOI-SFO

6h 15m1 stop

6:55 pm - 11:59 pmSFO-BOI

4h 04m1 stop

$137Delta

Find Deal

Sat, Sep 27 - Tue, Oct 7

6:10 am - 12:49 pmGEG-LAS

6h 39m1 stop

1:45 pm - 9:11 pmLAS-GEG

7h 26m1 stop

$137Delta

Find Deal

Wed, Sep 3 - Sat, Sep 6

Allegiant Air flights from Idaho to California

Our best Allegiant Air deals on Idaho to California flight tickets

Allegiant Air

Aug 29

GEG12:25 pmSpokane

2h 39m

LAX3:04 pmLos Angeles

Sep 1

LAX9:00 amLos Angeles

2h 35m

GEG11:35 amSpokane

$78

Find similar

Allegiant Air

Aug 25

GEG12:25 pmSpokane

2h 39m

LAX3:04 pmLos Angeles

Sep 1

LAX9:00 amLos Angeles

2h 35m

GEG11:35 amSpokane

$82

Find similar

Allegiant Air

Aug 25

GEG12:25 pmSpokane

2h 39m

LAX3:04 pmLos Angeles

Sep 1

LAX9:00 amLos Angeles

2h 35m

GEG11:35 amSpokane

$83

Find similar

Frontier flights from Idaho to California

Our best Frontier deals on Idaho to California flight tickets

Frontier

Oct 19

GEG12:03 pmSpokane

21h 55m

1 stop

LAX9:58 amLos Angeles

Oct 25

LAX6:15 amLos Angeles

28h 53m

1 stop

GEG11:08 amSpokane

$215

Find similar

Frontier

Aug 17

BOI12:36 pmBoise Air Term. Gowen Fld

7h 20m

1 stop

LAS6:56 pmLas Vegas Harry Reid Intl

Aug 21

LAS12:59 amLas Vegas Harry Reid Intl

9h 39m

1 stop

BOI11:38 amBoise Air Term. Gowen Fld

$218

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Thu 9/18

2:16 pm-3:07 pm

Nonstop1h 51m

Las Vegas Harry Reid Intl

Sat 9/20

10:26 am-1:21 pm

Nonstop1h 55m

$70

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Thu 9/4

2:16 pm-3:07 pm

Nonstop1h 51m

Las Vegas Harry Reid Intl

Mon 9/8

5:36 pm-8:31 pm

Nonstop1h 55m

$72

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Tue 9/16

6:00 am-6:45 am

Nonstop1h 45m

Las Vegas Harry Reid Intl

Thu 9/18

9:40 pm-12:25 am

Nonstop1h 45m

$95

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Mon 9/15

7:00 pm-10:00 pm

1 stop4h 00m

Las Vegas Harry Reid Intl

Thu 9/18

9:40 pm-12:25 am

Nonstop1h 45m

$104

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Sat 10/4

3:37 pm-4:27 pm

Nonstop1h 50m

San Francisco

Mon 10/6

8:00 am-10:39 am

Nonstop1h 39m

$116

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Thu 8/28

2:45 pm-3:35 pm

Nonstop1h 50m

San Francisco

Sat 8/30

8:50 pm-11:34 pm

Nonstop1h 44m

$118

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Wed 10/1

2:44 pm-3:35 pm

Nonstop1h 51m

San Francisco

Sat 10/4

8:59 pm-11:44 pm

Nonstop1h 45m

$127

BoiseLos Angeles

BOI - LAX

BOILAX

Boise Air Term. Gowen Fld

Tue 9/30

8:10 am-9:34 am

Nonstop2h 24m

Los Angeles

Tue 9/30

12:51 pm-7:38 pm

1 stop5h 47m

$130

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Sat 9/27

7:30 am-12:45 pm

1 stop6h 15m

San Francisco

Tue 10/7

6:55 pm-11:59 pm

1 stop4h 04m

$137

SpokaneLas Vegas

GEG - LAS

GEGLAS

Spokane

Wed 9/3

6:10 am-12:49 pm

1 stop6h 39m

Las Vegas Harry Reid Intl

Sat 9/6

1:45 pm-9:11 pm

1 stop7h 26m

$137

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Idaho to California

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to California?

The month of October is another great option to travel to California, with average flight prices from Idaho averaging around $237.

What is the cheapest day to depart on your flight to California?

The cheapest day to depart from Idaho to California is on a Thursday. Travelers who choose to depart for California on a Thursday will often find tickets for as low as $402. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to California on Tuesday is $554.

What is the cheapest time of day to depart on your flight to California?

The cheapest time of day to fly to California is in the afternoon when flights can be purchased for as low as $363. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $525 on average. Flights to California from Idaho in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Idaho to California flight route?

Fly from Boise Air Term. Gowen Fld to San Jose for the best Idaho - California flight prices

How far in advance should I book a flight to California?

You are more likely to see cheaper flights to California from Idaho when booking weeks ahead of your departure date. In general, you can expect to find flights to California for around $265 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to California from Idaho for as low as $222 on momondo.

What cabin class options are available on Idaho to California flights?

There are 4 cabin classes available to choose from on Idaho to California flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Idaho to California flights?

No. A direct flight is the cheapest option for a flight between Idaho to California.

Cheap Idaho to California flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to California

Best Price Found	$34
Fastest flight time	1h 45m
Direct flights	Every day
Airports in California	6 airports

The best one-way flight to California from Idaho in the past 72 hours is $34. The best round-trip flight deal from Idaho to California found on momondo in the last 72 hours is $70.

The fastest flight from Idaho to California takes 1h 45m

Direct flights go from Idaho to California every day.

There are 6 airports near California: San Diego (SAN), Los Angeles (LAX), Santa Ana J. Wayne/Orange Cnty (SNA), San Francisco (SFO), Burbank Bob Hope (BUR), Las Vegas Harry Reid Intl (LAS)

Search flight deals

When did momondo last update prices for flights from Idaho to California?
Prices for flights from Idaho to California refresh daily.
How many operators does momondo search for flights from Idaho to California?
The number of operators available for flights from Idaho to California is 9 as of August 2025.
How old do you have to be to fly from Idaho to California?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Idaho to California.
What documentation or ID do you need to fly to California?
The required travel and health documents for your California trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at California. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Idaho to California?
Based on momondo bookings for flights between Idaho and California, the leading plane model is Embraer 175, making up 39.09% of the total bookings. Other popular models include Embraer 175 (Enhanced Winglets) with 21.58%, Embraer 170 with 8.67%, and Boeing 737-700 Passenger/BBJ1 (winglets) with 6.28%.

Best airlines flying from Idaho to California

Compare and see reviews for airlines that fly from Idaho to California with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $50	Free Cancellation	Rating 6.3 8,051 reviews	Search Spirit Airlines flights
Hawaiian Airlines	PriceFrom $73	Free Cancellation	Rating 7.8 2,631 reviews	Search Hawaiian Airlines flights
Avelo Airlines	PriceFrom $78	Free Cancellation	Rating 7.5 78 reviews	Search Avelo Airlines flights
Delta	PriceFrom $78	Free Cancellation	Rating 8.0 7,987 reviews	Search Delta flights
Allegiant Air	PriceFrom $90	Free Cancellation	Rating 7.2 701 reviews	Search Allegiant Air flights
Alaska Airlines	PriceFrom $143	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $147	Free Cancellation	Rating 7.4 8,916 reviews	Search United Airlines flights
Southwest	PriceFrom $148	Free Cancellation	Rating 8.0 4,247 reviews	Search Southwest flights
American Airlines	PriceFrom $172	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Idaho to California?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Idaho to California. momondo saves you time and could save you money on your trip.

Can I find flights from Idaho to California with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Idaho to California flights to just show those with flexible booking policies.

How can momondo help me find flights from Idaho to California?

Once all potential Idaho to California flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Idaho to California right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Idaho to California flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Popular cities in California

Flights to New Yorkfrom $47

Flights to Los Angelesfrom $47

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Flights to Orlandofrom $60

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Flights to San Franciscofrom $61

Flights to Washington, D.C.from $61

Flights to Bostonfrom $66

Flights to Atlantafrom $49

Flights to Dallasfrom $58

Flights to Seattlefrom $95

Cheap flights from Idaho to California from $34

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to California departing on 9/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

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Find the cheapest flights from Idaho to California

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

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Allegiant Air flights from Idaho to California

Our best Allegiant Air deals on Idaho to California flight tickets

Frontier flights from Idaho to California

Our best Frontier deals on Idaho to California flight tickets

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Use the filters below to find and compare flights from Idaho to California that are best for you.

See travel insights to California from

How to get the cheapest flight ticket from Idaho to California

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to California?

The month of October is another great option to travel to California, with average flight prices from Idaho averaging around $237.

What is the cheapest day to depart on your flight to California?

What is the cheapest time of day to depart on your flight to California?

What is the cheapest Idaho to California flight route?

Fly from Boise Air Term. Gowen Fld to San Jose for the best Idaho - California flight prices

How far in advance should I book a flight to California?

What cabin class options are available on Idaho to California flights?

There are 4 cabin classes available to choose from on Idaho to California flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Idaho to California flights?

No. A direct flight is the cheapest option for a flight between Idaho to California.

What is the cheapest airline that flies from Idaho to California?

Spirit Airlines, Allegiant Air, and Southwest are the most popular carriers operating from Idaho to California

What airlines fly to California?

How many flights depart from Idaho to California on average per day?

The number of flights available between Idaho and California is 84 per day as of August 2025. The most frequent departure time is 7:00AM, with 47% of daily flights leaving at noon.

How many flights depart from Idaho to California on average per week?

588 flights are operational weekly from Idaho to California as of August 2025. The most popular departure day for this route is Thu, with 19% of flights per week taking off on this day.

How long is the flight from Idaho to California?

Cheap Idaho to California flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to California

Best Price Found

Fastest flight time

Direct flights

Airports in California

When did momondo last update prices for flights from Idaho to California?

How many operators does momondo search for flights from Idaho to California?

How old do you have to be to fly from Idaho to California?

What documentation or ID do you need to fly to California?

What is the most popular plane model from Idaho to California?

Best airlines flying from Idaho to California

Compare and see reviews for airlines that fly from Idaho to California with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Idaho to California?

Can I find flights from Idaho to California with flexible booking policies on momondo?

How can momondo help me find flights from Idaho to California?

I’m not ready to book a flight from Idaho to California right now. Can momondo alert me if prices change?

An easier way to manage your California trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to California

Popular cities in California

Popular flights according to clicks in the last 7 days on momondo