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

As of February 2026, there are 75 flights per day flying from California to Idaho. The most common time of day flights depart is 7:00PM, with 55% of flights taking off in the evening.

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

United Airlines, Alaska Airlines, and Frontier are the most popular carriers operating from California to Idaho

What airlines fly to Idaho?

Alaska Airlines, Delta and Southwest 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 31% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 8 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 February 2026, 529 flights take off from California and land in Idaho each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.

How long is the flight from California to Idaho?

Flight times from California to Idaho vary, but if you’re flying out of San Jose and flying into Boise (one of the most popular routes), then the duration is 1h 30m on average. Another popular route from California to Idaho is flying from San Francisco to Boise, which will take roughly 1h 38m. 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 February 2026, there are 8 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.

$66 Cheap Flights from California to Idaho in 2026

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Find the cheapest flights from California to Idaho

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:59 pm - 10:58 pm

ONT

BOI

1h 59mnonstop

5:50 pm - 6:57 pm

BOI

ONT

2h 07mnonstop

$137Alaska Airlines

Tue, Feb 24 - Sat, Feb 28

7:31 pm - 10:15 pm

SFO

BOI

1h 44mnonstop

1:25 pm - 2:26 pm

BOI

SFO

2h 01mnonstop

$147Alaska Airlines

Wed, Feb 25 - Thu, Feb 26

2:59 pm - 5:59 pm

ONT

BOI

2h 00mnonstop

1:15 pm - 2:19 pm

BOI

ONT

2h 04mnonstop

$147Alaska Airlines

Sat, Apr 25 - Tue, Apr 28

9:25 pm - 11:46 pm

SFO

GEG

2h 21mnonstop

6:00 am - 8:21 am

GEG

SFO

2h 21mnonstop

$153United Airlines

Sat, Jul 11 - Sat, Jul 18

6:54 pm - 9:03 pm

SFO

GEG

2h 09mnonstop

6:00 am - 8:22 am

GEG

SFO

2h 22mnonstop

$155United Airlines

Tue, Mar 10 - Sat, Mar 14

7:30 am - 2:55 pm

SNA

BOI

6h 25m

1 stop

4:00 pm - 8:40 pm

BOI

SNA

5h 40m

1 stop

$167Southwest

Tue, Feb 24 - Tue, Feb 24

5:40 pm - 1:00 am

SFO

BOI

6h 20m

1 stop

8:50 am - 4:10 pm

BOI

SFO

8h 20m

2 stops

$172Southwest

Mon, Apr 27 - Sat, May 2

5:05 pm - 11:05 pm

SFO

BOI

5h 00m

1 stop

12:59 pm - 4:09 pm

BOI

SFO

4h 10m

1 stop

$177Delta

Tue, Mar 3 - Wed, Mar 4

5:55 pm - 11:11 pm

BUR

BOI

4h 16m

1 stop

12:52 pm - 4:09 pm

BOI

BUR

4h 17m

1 stop

$178Delta

Sat, Apr 18 - Sun, Apr 26

11:14 am - 2:23 pm

SNA

BOI

2h 09mnonstop

3:13 pm - 4:28 pm

BOI

SNA

2h 15mnonstop

$199Allegiant Air

Thu, Apr 23 - Sun, Apr 26

Alaska Airlines flights from California to Idaho

Our best Alaska Airlines deals on California to Idaho flight tickets

Alaska Airlines

Feb 24

ONT7:59 pmOntario

1h 59m

BOI10:58 pmBoise Air Term. Gowen Fld

Feb 28

BOI5:50 pmBoise Air Term. Gowen Fld

2h 07m

ONT6:57 pmOntario

$137

Alaska Airlines

Feb 25

SFO7:31 pmSan Francisco

1h 44m

BOI10:15 pmBoise Air Term. Gowen Fld

Feb 26

BOI1:25 pmBoise Air Term. Gowen Fld

2h 01m

SFO2:26 pmSan Francisco

$147

Alaska Airlines

May 16

SFO3:03 pmSan Francisco

1h 38m

BOI5:41 pmBoise Air Term. Gowen Fld

May 16

BOI6:49 pmBoise Air Term. Gowen Fld

1h 49m

SFO7:38 pmSan Francisco

$152

Southwest flights from California to Idaho

Our best Southwest deals on California to Idaho flight tickets

Southwest

Feb 24

SNA7:30 amSanta Ana J. Wayne/Orange Cnty

6h 25m

1 stop

BOI2:55 pmBoise Air Term. Gowen Fld

Feb 24

BOI4:00 pmBoise Air Term. Gowen Fld

5h 40m

1 stop

SNA8:40 pmSanta Ana J. Wayne/Orange Cnty

$167

Southwest

Feb 28

BUR11:20 amBurbank Bob Hope

2h 05m

BOI2:25 pmBoise Air Term. Gowen Fld

Mar 3

BOI1:30 pmBoise Air Term. Gowen Fld

7h 10m

2 stops

BUR7:40 pmBurbank Bob Hope

$172

Southwest

Feb 24

BUR2:15 pmBurbank Bob Hope

5h 30m

1 stop

BOI8:45 pmBoise Air Term. Gowen Fld

Feb 26

BOI4:35 pmBoise Air Term. Gowen Fld

2h 00m

BUR5:35 pmBurbank Bob Hope

$177

Fly from

Fly to

Route

Depart

Return

Price

OntarioBoise

ONT - BOI

ONTBOI

Ontario

Tue 2/24

7:59 pm-10:58 pm

Nonstop1h 59m

Boise Air Term. Gowen Fld

Sat 2/28

5:50 pm-6:57 pm

Nonstop2h 07m

$137

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Wed 2/25

7:31 pm-10:15 pm

Nonstop1h 44m

Boise Air Term. Gowen Fld

Thu 2/26

1:25 pm-2:26 pm

Nonstop2h 01m

$147

OntarioBoise

ONT - BOI

ONTBOI

Ontario

Sat 4/25

2:59 pm-5:59 pm

Nonstop2h 00m

Boise Air Term. Gowen Fld

Tue 4/28

1:15 pm-2:19 pm

Nonstop2h 04m

$147

San FranciscoSpokane

SFO - GEG

SFOGEG

San Francisco

Sat 7/11

9:25 pm-11:46 pm

Nonstop2h 21m

Spokane

Sat 7/18

6:00 am-8:21 am

Nonstop2h 21m

$153

San FranciscoSpokane

SFO - GEG

SFOGEG

San Francisco

Tue 3/10

6:54 pm-9:03 pm

Nonstop2h 09m

Spokane

Sat 3/14

6:00 am-8:22 am

Nonstop2h 22m

$155

Santa AnaBoise

SNA - BOI

SNABOI

Santa Ana J. Wayne/Orange Cnty

Tue 2/24

7:30 am-2:55 pm

1 stop6h 25m

Boise Air Term. Gowen Fld

Tue 2/24

4:00 pm-8:40 pm

1 stop5h 40m

$167

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Mon 4/27

5:40 pm-1:00 am

1 stop6h 20m

Boise Air Term. Gowen Fld

Sat 5/2

8:50 am-4:10 pm

2 stops8h 20m

$172

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Tue 3/3

5:05 pm-11:05 pm

1 stop5h 00m

Boise Air Term. Gowen Fld

Wed 3/4

12:59 pm-4:09 pm

1 stop4h 10m

$177

BurbankBoise

BUR - BOI

BURBOI

Burbank Bob Hope

Sat 4/18

5:55 pm-11:11 pm

1 stop4h 16m

Boise Air Term. Gowen Fld

Sun 4/26

12:52 pm-4:09 pm

1 stop4h 17m

$178

Santa AnaBoise

SNA - BOI

SNABOI

Santa Ana J. Wayne/Orange Cnty

Thu 4/23

11:14 am-2:23 pm

Nonstop2h 09m

Boise Air Term. Gowen Fld

Sun 4/26

3:13 pm-4:28 pm

Nonstop2h 15m

$199

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, April 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 $237. If you don’t want to visit Idaho in April, then you should wait until February to fly from California, when ticket prices are also cheap, with an average price of $257.

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 $257. On the other hand, Sunday 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 $334.

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 in the afternoon. momondo users have found flights departing from California to Idaho in the afternoon for as low as $227. 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 $294 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 $284 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 $213 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	$65
Fastest flight time	0h 28m
Direct flights	Every day
Airports in Idaho	27 airports

The best one-way flight to Idaho from California in the past 72 hours is $65. The best round-trip flight deal from California to Idaho found on momondo in the last 72 hours is $157.

The fastest flight from California to Idaho takes 0h 28m

Direct flights go from California to Idaho every day.

There are 27 airports in Idaho. From California there are direct flights to Boise Air Term. Gowen Fld (BOI), Hailey Sun Valley-Friedman (SUN).

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 February 2026, there are 8 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 (Enhanced Winglets) (26.42% of total bookings). The next most popular plane models are Embraer 175 (13.54%), Embraer 170 (12.84%), and Boeing 737-800 Passenger/BBJ2 (winglets) (11.80%).

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
Delta	PriceFrom $49	Free Cancellation	Rating 7.9 8,143 reviews	Search Delta flights
Spirit Airlines	PriceFrom $68	Free Cancellation	Rating 6.3 8,411 reviews	Search Spirit Airlines flights
Hawaiian Airlines	PriceFrom $68	Free Cancellation	Rating 7.8 2,831 reviews	Search Hawaiian Airlines flights
Allegiant Air	PriceFrom $98	Free Cancellation	Rating 7.2 709 reviews	Search Allegiant Air flights
United Airlines	PriceFrom $132	Free Cancellation	Rating 7.4 9,235 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $132	Free Cancellation	Rating 8.0 11,837 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $147	Free Cancellation	Rating 8.0 4,274 reviews	Search Southwest flights
American Airlines	PriceFrom $227	Free Cancellation	Rating 7.2 11,220 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

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Popular cities in Idaho

Flights to New Yorkfrom $49

Flights to Los Angelesfrom $46

Flights to Miamifrom $27

Flights to Chicagofrom $49

Flights to Orlandofrom $50

Flights to San Franciscofrom $54

Flights to Las Vegasfrom $49

Flights to Washington, D.C.from $51

Flights to Bostonfrom $51

Flights to Atlantafrom $49

Flights to Dallasfrom $49

Flights to Seattlefrom $83

Cheap flights from California to Idaho from $66

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 3/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Find the cheapest flights from California to Idaho

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Alaska Airlines flights from California to Idaho

Our best Alaska Airlines deals on California to Idaho flight tickets

Southwest flights from California to Idaho

Our best Southwest 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.

See travel insights to Idaho from

How to get the cheapest flight ticket from California to Idaho

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?

United Airlines, Alaska Airlines, and Frontier 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 February 2026, there are 75 flights per day flying from California to Idaho. The most common time of day flights depart is 7:00PM, with 55% of flights taking off in the evening.

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

As of February 2026, 529 flights take off from California and land in Idaho each week. The most common flight departure day for this route is Mon, with 16% 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

California flight routes

According to popular flight searches on momondo this year

Idaho flight routes

According to popular flight searches on momondo this year

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