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

The number of flights available between Idaho and California is 65 per day as of December 2025. The most frequent departure time is 7:00AM, with 56% of daily flights leaving at noon.

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

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

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 34m. Keep in mind that layovers or delays could extend your travel time.

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

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

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 8 different airlines that fly to California on a routine basis, so you have a few additional options to choose from.

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 December 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.

$43 Cheap Flights from Idaho to California in 2025/26

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Find the cheapest flights from Idaho to California

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:58 pm - 11:18 pm

GEG

LAS

2h 20mnonstop

5:31 pm - 8:08 pm

LAS

GEG

2h 37mnonstop

$86Allegiant Air

Sun, Jan 11 - Thu, Jan 22

9:05 am - 11:59 pm

GEG

LAS

14h 54m1 stop

7:50 am - 11:04 pm

LAS

GEG

15h 14m1 stop

$111Multiple Airlines

Thu, Feb 5 - Sun, Feb 8

12:32 pm - 7:57 pm

GEG

LAS

7h 25m1 stop

8:50 am - 2:48 pm

LAS

GEG

5h 58m1 stop

$134Hawaiian Airlines

Tue, Jan 20 - Tue, Jan 27

6:09 pm - 7:16 pm

BOI

ONT

2h 07mnonstop

7:56 pm - 10:57 pm

ONT

BOI

2h 01mnonstop

$136Alaska Airlines

Tue, Jan 20 - Sat, Jan 24

7:00 am - 7:39 am

BOI

SMF

1h 39mnonstop

9:13 am - 11:41 am

SMF

BOI

1h 28mnonstop

$137Alaska Airlines

Sat, Jan 24 - Wed, Jan 28

6:15 pm - 9:48 pm

BOI

ONT

4h 33m1 stop

5:10 pm - 11:12 pm

ONT

BOI

5h 02m1 stop

$147Delta

Sat, Jan 17 - Tue, Jan 20

6:40 am - 12:25 pm

BOI

ONT

6h 45m1 stop

3:25 pm - 10:30 pm

ONT

BOI

6h 05m1 stop

$151Southwest

Tue, Jan 20 - Tue, Jan 20

3:00 pm - 8:45 pm

BOI

LAS

6h 45m1 stop

4:10 pm - 10:15 pm

LAS

BOI

5h 05m1 stop

$156Southwest

Tue, Jan 20 - Fri, Jan 23

9:15 am - 3:00 pm

BOI

LAS

6h 45m1 stop

1:45 pm - 8:12 pm

LAS

BOI

5h 27m1 stop

$157Delta

Wed, Jan 28 - Fri, Jan 30

5:53 pm - 8:37 pm

GEG

LAX

2h 44mnonstop

7:00 am - 11:38 am

LAX

GEG

4h 38m1 stop

$177Hawaiian Airlines

Sun, Jan 18 - Sun, Jan 25

United Airlines flights from Idaho to California

Our best United Airlines deals on Idaho to California flight tickets

United Airlines

Jan 15

BOI10:15 amBoise Air Term. Gowen Fld

2h 36m

LAX11:51 amLos Angeles

Jan 19

LAX4:35 pmLos Angeles

2h 16m

BOI7:51 pmBoise Air Term. Gowen Fld

$221

Find similar

United Airlines

Jan 15

BOI10:15 amBoise Air Term. Gowen Fld

2h 36m

LAX11:51 amLos Angeles

Jan 19

LAX4:35 pmLos Angeles

2h 16m

BOI7:51 pmBoise Air Term. Gowen Fld

$223

Find similar

United Airlines

Jan 2

GEG4:00 pmSpokane

5h 58m

1 stop

LAS9:58 pmLas Vegas Harry Reid Intl

Jan 12

LAS5:20 amLas Vegas Harry Reid Intl

7h 26m

1 stop

GEG12:46 pmSpokane

$287

Find similar

Delta flights from Idaho to California

Our best Delta deals on Idaho to California flight tickets

Delta

Jan 17

BOI6:15 pmBoise Air Term. Gowen Fld

4h 33m

1 stop

ONT9:48 pmOntario

Jan 20

ONT5:10 pmOntario

5h 02m

1 stop

BOI11:12 pmBoise Air Term. Gowen Fld

$147

Find similar

Delta

Jan 14

GEG3:40 pmSpokane

4h 46m

1 stop

LAS8:26 pmLas Vegas Harry Reid Intl

Jan 20

LAS5:20 pmLas Vegas Harry Reid Intl

6h 30m

1 stop

GEG11:50 pmSpokane

$153

Find similar

Delta

Jan 13

GEG5:05 amSpokane

7h 43m

1 stop

SAN12:48 pmSan Diego

Jan 21

SAN7:00 amSan Diego

5h 37m

1 stop

GEG12:37 pmSpokane

$157

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SpokaneLas Vegas

GEG - LAS

GEGLAS

Spokane

Sun 1/11

8:58 pm-11:18 pm

Nonstop2h 20m

Las Vegas Harry Reid Intl

Thu 1/22

5:31 pm-8:08 pm

Nonstop2h 37m

$86

SpokaneLas Vegas

GEG - LAS

GEGLAS

Spokane

Thu 2/5

9:05 am-11:59 pm

1 stop14h 54m

Las Vegas Harry Reid Intl

Sun 2/8

7:50 am-11:04 pm

1 stop15h 14m

$111

SpokaneLas Vegas

GEG - LAS

GEGLAS

Spokane

Tue 1/20

12:32 pm-7:57 pm

1 stop7h 25m

Las Vegas Harry Reid Intl

Tue 1/27

8:50 am-2:48 pm

1 stop5h 58m

$134

BoiseOntario

BOI - ONT

BOIONT

Boise Air Term. Gowen Fld

Tue 1/20

6:09 pm-7:16 pm

Nonstop2h 07m

Ontario

Sat 1/24

7:56 pm-10:57 pm

Nonstop2h 01m

$136

BoiseSacramento

BOI - SMF

BOISMF

Boise Air Term. Gowen Fld

Sat 1/24

7:00 am-7:39 am

Nonstop1h 39m

Sacramento Intl

Wed 1/28

9:13 am-11:41 am

Nonstop1h 28m

$137

BoiseOntario

BOI - ONT

BOIONT

Boise Air Term. Gowen Fld

Sat 1/17

6:15 pm-9:48 pm

1 stop4h 33m

Ontario

Tue 1/20

5:10 pm-11:12 pm

1 stop5h 02m

$147

BoiseOntario

BOI - ONT

BOIONT

Boise Air Term. Gowen Fld

Tue 1/20

6:40 am-12:25 pm

1 stop6h 45m

Ontario

Tue 1/20

3:25 pm-10:30 pm

1 stop6h 05m

$151

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Tue 1/20

3:00 pm-8:45 pm

1 stop6h 45m

Las Vegas Harry Reid Intl

Fri 1/23

4:10 pm-10:15 pm

1 stop5h 05m

$156

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Wed 1/28

9:15 am-3:00 pm

1 stop6h 45m

Las Vegas Harry Reid Intl

Fri 1/30

1:45 pm-8:12 pm

1 stop5h 27m

$157

SpokaneLos Angeles

GEG - LAX

GEGLAX

Spokane

Sun 1/18

5:53 pm-8:37 pm

Nonstop2h 44m

Los Angeles

Sun 1/25

7:00 am-11:38 am

1 stop4h 38m

$177

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 September 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 $386. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to California on Monday is $551.

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 $361. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $523 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 Oakland 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 $272 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 $225 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	$88
Fastest flight time	1h 25m
Direct flights	Every day
Airports in California	418 airports

The best one-way flight to California from Idaho in the past 72 hours is $88. The best round-trip flight deal from Idaho to California found on momondo in the last 72 hours is $117.

The fastest flight from Idaho to California takes 1h 25m

Direct flights go from Idaho to California every day.

There are 418 airports in California. From Idaho there are direct flights to Sacramento Intl (SMF), 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 December 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 (Enhanced Winglets), making up 20.94% of the total bookings. Other popular models include Embraer 175 with 19.80%, Boeing 737-700 Passenger/BBJ1 (winglets) with 9.96%, and Embraer 170 with 9.93%.

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
Hawaiian Airlines	PriceFrom $73	Free Cancellation	Rating 7.8 2,820 reviews	Search Hawaiian Airlines flights
Spirit Airlines	PriceFrom $76	Free Cancellation	Rating 6.3 8,194 reviews	Search Spirit Airlines flights
Delta	PriceFrom $78	Free Cancellation	Rating 7.9 8,015 reviews	Search Delta flights
Allegiant Air	PriceFrom $90	Free Cancellation	Rating 7.2 701 reviews	Search Allegiant Air flights
United Airlines	PriceFrom $130	Free Cancellation	Rating 7.4 9,109 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $137	Free Cancellation	Rating 8.0 11,517 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $147	Free Cancellation	Rating 8.0 4,256 reviews	Search Southwest flights
American Airlines	PriceFrom $172	Free Cancellation	Rating 7.2 11,050 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.