What airlines fly to Idaho?

Alaska Airlines, United Airlines and Delta are the top three most popular airlines that fly to Idaho from California according to our data. Alaska Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 9 different airlines that fly to Idaho on a routine basis, so you have a few additional options to choose from.

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

As of July 2025, 636 flights take off from California and land in Idaho each week. The most common flight departure day for this route is Thu, with 18% of weekly flights taking off on this day.

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

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

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

As of July 2025, there are 90 flights per day flying from California to Idaho. The most common time of day flights depart is 7:00PM, with 47% of flights taking off in the evening.

How long is the flight from California to Idaho?

Flight times from California to Idaho vary, but if you’re flying out of Sacramento and flying into Boise (one of the most popular routes), then the duration is 1h 24m on average. Another popular route from California to Idaho is flying from San Francisco to Boise, which will take roughly 1h 34m. Keep in mind that layovers or delays could extend your travel time.

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

Prices for flights from California to Idaho were last updated today.

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

As of July 2025, there are 9 operators available to choose from for flights from California to Idaho.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from California to Idaho.

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

The required travel and health documents for your Idaho 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 Idaho. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$39 Cheap Flights from California to Idaho in 2025

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Find the cheapest flights from California to Idaho

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

2:27 pm - 5:02 pmLAX-GEG

2h 35mnonstop

9:55 am - 12:34 pmGEG-LAX

2h 39mnonstop

$86Allegiant Air

Find Deal

Mon, Aug 11 - Fri, Aug 15

2:27 pm - 5:02 pmLAX-GEG

2h 35mnonstop

9:55 am - 12:34 pmGEG-LAX

2h 39mnonstop

$90Allegiant Air

Find Deal

Mon, Aug 11 - Fri, Aug 15

8:00 am - 10:39 amSFO-BOI

1h 39mnonstop

3:37 pm - 4:27 pmBOI-SFO

1h 50mnonstop

$137Alaska Airlines

Find Deal

Tue, Oct 14 - Tue, Oct 21

8:21 pm - 11:43 pmSAN-BOI

2h 22mnonstop

7:07 am - 8:30 amBOI-SAN

2h 23mnonstop

$137Alaska Airlines

Find Deal

Thu, Sep 18 - Sun, Sep 21

6:59 pm - 9:26 pmLAX-GEG

2h 27mnonstop

7:10 am - 10:08 amGEG-LAX

2h 58mnonstop

$137Delta

Find Deal

Wed, Sep 3 - Tue, Sep 9

4:15 pm - 12:35 amSAN-BOI

7h 20m1 stop

5:00 am - 9:15 amBOI-SAN

5h 15m1 stop

$156Southwest

Find Deal

Fri, Nov 14 - Sun, Nov 16

6:59 pm - 9:31 pmLAX-GEG

2h 32mnonstop

6:52 am - 9:45 amGEG-LAX

2h 53mnonstop

$157Delta

Find Deal

Fri, Sep 19 - Sun, Sep 21

6:50 am - 2:10 pmLAX-GEG

7h 20m2 stops

5:45 am - 12:10 pmGEG-LAX

6h 25m1 stop

$162Southwest

Find Deal

Tue, Aug 19 - Wed, Aug 27

2:17 pm - 4:58 pmSFO-BOI

1h 41mnonstop

2:45 pm - 3:35 pmBOI-SFO

1h 50mnonstop

$194United Airlines

Find Deal

Tue, Aug 26 - Tue, Sep 2

11:06 am - 1:49 pmSFO-BOI

1h 43mnonstop

9:52 am - 10:50 amBOI-SFO

1h 58mnonstop

$211United Airlines

Find Deal

Thu, Sep 18 - Sat, Sep 20

Spirit Airlines flights from California to Idaho

Our best Spirit Airlines deals on California to Idaho flight tickets

Spirit Airlines

Aug 18

LAX6:45 amLos Angeles

9h 26m

1 stop

BOI5:11 pmBoise Air Term. Gowen Fld

Aug 25

BOI6:06 pmBoise Air Term. Gowen Fld

6h 52m

1 stop

LAX11:58 pmLos Angeles

$111

Find similar

Spirit Airlines

Aug 22

SNA6:45 amSanta Ana J. Wayne/Orange Cnty

9h 26m

1 stop

BOI5:11 pmBoise Air Term. Gowen Fld

Aug 25

BOI6:06 pmBoise Air Term. Gowen Fld

4h 15m

1 stop

SNA9:21 pmSanta Ana J. Wayne/Orange Cnty

$113

Find similar

Spirit Airlines

Aug 18

SNA6:45 amSanta Ana J. Wayne/Orange Cnty

9h 26m

1 stop

BOI5:11 pmBoise Air Term. Gowen Fld

Aug 25

BOI6:06 pmBoise Air Term. Gowen Fld

4h 15m

1 stop

SNA9:21 pmSanta Ana J. Wayne/Orange Cnty

$114

Find similar

Hawaiian Airlines flights from California to Idaho

Our best Hawaiian Airlines deals on California to Idaho flight tickets

Hawaiian Airlines

Aug 27

SJC4:58 pmSan Jose

1h 40m

BOI7:38 pmBoise Air Term. Gowen Fld

Sep 3

BOI10:08 amBoise Air Term. Gowen Fld

1h 55m

SJC11:03 amSan Jose

$137

Find similar

Hawaiian Airlines

Oct 18

SJC5:07 pmSan Jose

1h 34m

BOI7:41 pmBoise Air Term. Gowen Fld

Oct 21

BOI10:15 amBoise Air Term. Gowen Fld

1h 57m

SJC11:12 amSan Jose

$147

Find similar

Hawaiian Airlines

Oct 18

SJC5:07 pmSan Jose

1h 34m

BOI7:41 pmBoise Air Term. Gowen Fld

Oct 21

BOI6:30 amBoise Air Term. Gowen Fld

6h 14m

1 stop

SJC11:44 amSan Jose

$148

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesSpokane

LAX - GEG

LAXGEG

Los Angeles

Mon 8/11

2:27 pm-5:02 pm

Nonstop2h 35m

Spokane

Fri 8/15

9:55 am-12:34 pm

Nonstop2h 39m

$86

Los AngelesSpokane

LAX - GEG

LAXGEG

Los Angeles

Mon 8/11

2:27 pm-5:02 pm

Nonstop2h 35m

Spokane

Fri 8/15

9:55 am-12:34 pm

Nonstop2h 39m

$90

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Tue 10/14

8:00 am-10:39 am

Nonstop1h 39m

Boise Air Term. Gowen Fld

Tue 10/21

3:37 pm-4:27 pm

Nonstop1h 50m

$137

San DiegoBoise

SAN - BOI

SANBOI

San Diego

Thu 9/18

8:21 pm-11:43 pm

Nonstop2h 22m

Boise Air Term. Gowen Fld

Sun 9/21

7:07 am-8:30 am

Nonstop2h 23m

$137

Los AngelesSpokane

LAX - GEG

LAXGEG

Los Angeles

Wed 9/3

6:59 pm-9:26 pm

Nonstop2h 27m

Spokane

Tue 9/9

7:10 am-10:08 am

Nonstop2h 58m

$137

San DiegoBoise

SAN - BOI

SANBOI

San Diego

Fri 11/14

4:15 pm-12:35 am

1 stop7h 20m

Boise Air Term. Gowen Fld

Sun 11/16

5:00 am-9:15 am

1 stop5h 15m

$156

Los AngelesSpokane

LAX - GEG

LAXGEG

Los Angeles

Fri 9/19

6:59 pm-9:31 pm

Nonstop2h 32m

Spokane

Sun 9/21

6:52 am-9:45 am

Nonstop2h 53m

$157

Los AngelesSpokane

LAX - GEG

LAXGEG

Los Angeles

Tue 8/19

6:50 am-2:10 pm

2 stops7h 20m

Spokane

Wed 8/27

5:45 am-12:10 pm

1 stop6h 25m

$162

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Tue 8/26

2:17 pm-4:58 pm

Nonstop1h 41m

Boise Air Term. Gowen Fld

Tue 9/2

2:45 pm-3:35 pm

Nonstop1h 50m

$194

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Thu 9/18

11:06 am-1:49 pm

Nonstop1h 43m

Boise Air Term. Gowen Fld

Sat 9/20

9:52 am-10:50 am

Nonstop1h 58m

$211

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 California to Idaho

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 Idaho?

In general, October is the cheapest month to fly from California to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $201. If you don’t want to visit Idaho in October, then you should wait until February to fly from California, when ticket prices are also cheap, with an average price of $237.

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

Our data shows that Saturday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $265. On the other hand, Monday is the most expensive day to depart from California because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $325.

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

According to our data, the cheapest time of day to fly to Idaho is at noon. momondo users have found flights departing from California to Idaho at noon for as low as $177. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Idaho, so prices are often more expensive at around $293 per ticket.

What is the cheapest California to Idaho flight route?

Fly from Oakland to Idaho Falls Fanning Field for the best California - Idaho flight prices

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

You are more likely to see cheaper flights to Idaho from California when booking weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around $275 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho from California for as low as $207 on momondo.

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

There are 4 cabin classes available to choose from on California to Idaho 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 California to Idaho flights?

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

Cheap California to Idaho flight deals and tips

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

Best Price Found	$39
Fastest flight time	1h 34m
Direct flights	Every day
Airports in Idaho	2 airports

The best one-way flight to Idaho from California in the past 72 hours is $39. The best round-trip flight deal from California to Idaho found on momondo in the last 72 hours is $86.

The fastest flight from California to Idaho takes 1h 34m

Direct flights go from California to Idaho every day.

There are 2 airports near Idaho: Spokane (GEG), Boise Air Term. Gowen Fld (BOI)

Search flight deals

When did momondo last update prices for flights from California to Idaho?
Prices for flights from California to Idaho were last updated today.
How many operators does momondo search for flights from California to Idaho?
As of July 2025, there are 9 operators available to choose from for flights from California to Idaho.
How old do you have to be to fly from California to Idaho?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from California to Idaho.
What documentation or ID do you need to fly to Idaho?
The required travel and health documents for your Idaho 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 Idaho. 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 California to Idaho?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from California to Idaho is Embraer 175 (38.19% of total bookings). The next most popular plane models are Embraer 175 (Enhanced Winglets) (20.08%), Embraer 170 (9.73%), and Boeing 737-700 Passenger/BBJ1 (winglets) (8.04%).

Best airlines flying from California to Idaho

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

Airline	Rating	Free Cancellation	Price
Avelo Airlines	PriceFrom $64	Free Cancellation	Rating 7.5 78 reviews	Search Avelo Airlines flights
Spirit Airlines	PriceFrom $78	Free Cancellation	Rating 6.3 8,048 reviews	Search Spirit Airlines flights
Hawaiian Airlines	PriceFrom $78	Free Cancellation	Rating 7.8 2,611 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $79	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
Allegiant Air	PriceFrom $98	Free Cancellation	Rating 7.2 702 reviews	Search Allegiant Air flights
Southwest	PriceFrom $151	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights
United Airlines	PriceFrom $154	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $156	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $218	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 California to Idaho?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from California to Idaho. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

Once all potential California to Idaho 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 California to Idaho right now. Can momondo alert me if prices change?

Yes. momondo can track prices for California to Idaho flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Idaho 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.

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Find better results for your trip to Idaho

Popular cities in Idaho

Flights to New Yorkfrom $39

Flights to Los Angelesfrom $37

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Flights to Orlandofrom $54

Flights to Las Vegasfrom $35

Flights to San Franciscofrom $49

Flights to Washington, D.C.from $49

Flights to Bostonfrom $77

Flights to Atlantafrom $29

Flights to Dallasfrom $55

Flights to Seattlefrom $93

Cheap flights from California to Idaho from $39

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Idaho departing on 9/1. 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

Price Alerts

Price Alerts

Find the cheapest flights from California to Idaho

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Spirit Airlines flights from California to Idaho

Our best Spirit Airlines deals on California to Idaho flight tickets

Hawaiian Airlines flights from California to Idaho

Our best Hawaiian Airlines deals on California to Idaho flight tickets

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

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How to get the cheapest flight ticket from California to Idaho

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 Idaho?

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

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

What is the cheapest California to Idaho flight route?

Fly from Oakland to Idaho Falls Fanning Field for the best California - Idaho flight prices

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

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

There are 4 cabin classes available to choose from on California to Idaho 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 California to Idaho flights?

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

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

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

What airlines fly to Idaho?

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

As of July 2025, there are 90 flights per day flying from California to Idaho. The most common time of day flights depart is 7:00PM, with 47% of flights taking off in the evening.

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

As of July 2025, 636 flights take off from California and land in Idaho each week. The most common flight departure day for this route is Thu, with 18% of weekly flights taking off on this day.

How long is the flight from California to Idaho?

Cheap California to Idaho flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Idaho

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

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

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

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

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

Best airlines flying from California to Idaho

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

Why use momondo?

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

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

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

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

An easier way to manage your Idaho 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 Idaho

Popular cities in Idaho

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