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

As of October 2025, 282 flights take off from California and land in Idaho each week. The most common flight departure day for this route is Thu, with 34% 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 Sacramento and flying into Boise (one of the most popular routes), then the duration is 1h 25m on average. Another popular route from California to Idaho is flying from San Jose to Boise, which will take roughly 1h 35m. Keep in mind that layovers or delays could extend your travel time.

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

As of October 2025, there are 40 flights per day flying from California to Idaho. The most common time of day flights depart is 7:00PM, with 45% of flights taking off in the evening.

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

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

What airlines fly to Idaho?

Alaska Airlines, Delta and United Airlines 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 30% 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.

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 October 2025, 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.

$58 Cheap Flights from California to Idaho in 2025/26

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:10 pm - 11:49 amSAN-BOI

14h 39m1 stop

12:54 pm - 7:15 pmBOI-SAN

7h 21m1 stop

$128Frontier

Find Deal

Thu, Dec 11 - Sat, Dec 20

6:25 am - 11:49 amSAN-BOI

28h 24m1 stop

12:44 pm - 7:15 pmBOI-SAN

7h 31m1 stop

$130Frontier

Find Deal

Wed, Dec 3 - Fri, Dec 5

7:00 am - 1:45 pmSAN-BOI

5h 45m1 stop

7:00 am - 8:14 amBOI-SAN

2h 14mnonstop

$147Alaska Airlines

Find Deal

Thu, Feb 19 - Mon, Feb 23

7:14 pm - 9:58 pmSFO-BOI

1h 44mnonstop

8:25 am - 9:40 amBOI-SFO

2h 15mnonstop

$151Alaska Airlines

Find Deal

Sat, Dec 6 - Mon, Dec 8

8:29 am - 10:46 amSFO-GEG

2h 17mnonstop

7:00 am - 9:44 amGEG-SFO

2h 44mnonstop

$156United Airlines

Find Deal

Fri, Nov 28 - Sat, Dec 6

7:50 pm - 10:15 pmSMF-BOI

1h 25mnonstop

7:40 pm - 8:10 pmBOI-SMF

1h 30mnonstop

$157Southwest

Find Deal

Fri, Dec 5 - Sun, Dec 7

6:30 am - 1:35 pmSMF-BOI

6h 05m1 stop

1:25 pm - 5:40 pmBOI-SMF

5h 15m1 stop

$166Southwest

Find Deal

Sat, Dec 6 - Mon, Dec 8

11:19 am - 2:06 pmLAX-GEG

2h 47mnonstop

2:46 pm - 5:38 pmGEG-LAX

2h 52mnonstop

$177Delta

Find Deal

Fri, Dec 5 - Mon, Dec 8

5:30 am - 10:12 amSMF-BOI

3h 42m1 stop

7:45 pm - 11:48 pmBOI-SMF

5h 03m1 stop

$177Delta

Find Deal

Thu, Nov 27 - Thu, Dec 4

9:15 pm - 11:29 pmSFO-GEG

2h 14mnonstop

6:00 am - 8:42 amGEG-SFO

2h 42mnonstop

$191United Airlines

Find Deal

Tue, Nov 25 - Fri, Nov 28

Frontier flights from California to Idaho

Our best Frontier deals on California to Idaho flight tickets

Frontier

Dec 11

SAN8:10 pmSan Diego

14h 39m

1 stop

BOI11:49 amBoise Air Term. Gowen Fld

Dec 20

BOI12:54 pmBoise Air Term. Gowen Fld

7h 21m

1 stop

SAN7:15 pmSan Diego

$128

Find similar

Frontier

Dec 3

SAN6:25 amSan Diego

28h 24m

1 stop

BOI11:49 amBoise Air Term. Gowen Fld

Dec 5

BOI12:44 pmBoise Air Term. Gowen Fld

7h 31m

1 stop

SAN7:15 pmSan Diego

$130

Find similar

Frontier

Jan 14

SAN1:43 pmSan Diego

21h 11m

1 stop

BOI11:54 amBoise Air Term. Gowen Fld

Jan 22

BOI12:54 pmBoise Air Term. Gowen Fld

12h 07m

1 stop

SAN12:01 amSan Diego

$133

Find similar

Southwest flights from California to Idaho

Our best Southwest deals on California to Idaho flight tickets

Southwest

Dec 5

SMF7:50 pmSacramento Intl

1h 25m

BOI10:15 pmBoise Air Term. Gowen Fld

Dec 7

BOI7:40 pmBoise Air Term. Gowen Fld

1h 30m

SMF8:10 pmSacramento Intl

$157

Find similar

Southwest

Dec 6

SMF6:30 amSacramento Intl

6h 05m

1 stop

BOI1:35 pmBoise Air Term. Gowen Fld

Dec 8

BOI1:25 pmBoise Air Term. Gowen Fld

5h 15m

1 stop

SMF5:40 pmSacramento Intl

$166

Find similar

Southwest

Dec 5

SMF2:40 pmSacramento Intl

7h 30m

1 stop

BOI11:10 pmBoise Air Term. Gowen Fld

Dec 8

BOI1:25 pmBoise Air Term. Gowen Fld

7h 20m

1 stop

SMF7:45 pmSacramento Intl

$176

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San DiegoBoise

SAN - BOI

SANBOI

San Diego

Thu 12/11

8:10 pm-11:49 am

1 stop14h 39m

Boise Air Term. Gowen Fld

Sat 12/20

12:54 pm-7:15 pm

1 stop7h 21m

$128

San DiegoBoise

SAN - BOI

SANBOI

San Diego

Wed 12/3

6:25 am-11:49 am

1 stop28h 24m

Boise Air Term. Gowen Fld

Fri 12/5

12:44 pm-7:15 pm

1 stop7h 31m

$130

San DiegoBoise

SAN - BOI

SANBOI

San Diego

Thu 2/19

7:00 am-1:45 pm

1 stop5h 45m

Boise Air Term. Gowen Fld

Mon 2/23

7:00 am-8:14 am

Nonstop2h 14m

$147

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Sat 12/6

7:14 pm-9:58 pm

Nonstop1h 44m

Boise Air Term. Gowen Fld

Mon 12/8

8:25 am-9:40 am

Nonstop2h 15m

$151

San FranciscoSpokane

SFO - GEG

SFOGEG

San Francisco

Fri 11/28

8:29 am-10:46 am

Nonstop2h 17m

Spokane

Sat 12/6

7:00 am-9:44 am

Nonstop2h 44m

$156

SacramentoBoise

SMF - BOI

SMFBOI

Sacramento Intl

Fri 12/5

7:50 pm-10:15 pm

Nonstop1h 25m

Boise Air Term. Gowen Fld

Sun 12/7

7:40 pm-8:10 pm

Nonstop1h 30m

$157

SacramentoBoise

SMF - BOI

SMFBOI

Sacramento Intl

Sat 12/6

6:30 am-1:35 pm

1 stop6h 05m

Boise Air Term. Gowen Fld

Mon 12/8

1:25 pm-5:40 pm

1 stop5h 15m

$166

Los AngelesSpokane

LAX - GEG

LAXGEG

Los Angeles

Fri 12/5

11:19 am-2:06 pm

Nonstop2h 47m

Spokane

Mon 12/8

2:46 pm-5:38 pm

Nonstop2h 52m

$177

SacramentoBoise

SMF - BOI

SMFBOI

Sacramento Intl

Thu 11/27

5:30 am-10:12 am

1 stop3h 42m

Boise Air Term. Gowen Fld

Thu 12/4

7:45 pm-11:48 pm

1 stop5h 03m

$177

San FranciscoSpokane

SFO - GEG

SFOGEG

San Francisco

Tue 11/25

9:15 pm-11:29 pm

Nonstop2h 14m

Spokane

Fri 11/28

6:00 am-8:42 am

Nonstop2h 42m

$191

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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

Prices

Airlines

Other information

What is the cheapest month to fly to Idaho?

In general, February 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 February, then you should wait until April to fly from California, when ticket prices are also cheap, with an average price of $244.

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 $280. 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 $365.

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 afternoon is when there is more demand to fly to Idaho, so prices are often more expensive at around $303 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 $288 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 $215 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	$78
Fastest flight time	1h 25m
Direct flights	Every day
Airports in Idaho	1 airport

The best one-way flight to Idaho from California in the past 72 hours is $78. 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 1h 25m

Direct flights go from California to Idaho every day.

There is 1 airport near Idaho: 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 October 2025, 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 (33.84% of total bookings). The next most popular plane models are Embraer 175 (Enhanced Winglets) (20.16%), Embraer 170 (10.98%), and Boeing 737-700 Passenger/BBJ1 (winglets) (6.33%).

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
Hawaiian Airlines	PriceFrom $78	Free Cancellation	Rating 7.8 2,797 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $79	Free Cancellation	Rating 7.9 7,993 reviews	Search Delta flights
Spirit Airlines	PriceFrom $85	Free Cancellation	Rating 6.3 8,115 reviews	Search Spirit Airlines flights
Allegiant Air	PriceFrom $98	Free Cancellation	Rating 7.2 694 reviews	Search Allegiant Air flights
Alaska Airlines	PriceFrom $137	Free Cancellation	Rating 8.0 11,214 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $138	Free Cancellation	Rating 7.4 8,998 reviews	Search United Airlines flights
Southwest	PriceFrom $147	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights
American Airlines	PriceFrom $218	Free Cancellation	Rating 7.2 11,032 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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Find better results for your trip to Idaho

Popular cities in Idaho

Flights to New Yorkfrom $49

Flights to Los Angelesfrom $47

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Flights to Chicagofrom $49

Flights to Orlandofrom $47

Flights to Las Vegasfrom $39

Flights to San Franciscofrom $39

Flights to Washington, D.C.from $40

Flights to Bostonfrom $60

Flights to Atlantafrom $47

Flights to Dallasfrom $49

Flights to Seattlefrom $53

Cheap flights from California to Idaho from $58

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 1/28. 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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Price Alerts

Find the cheapest flights from California to Idaho

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Frontier flights from California to Idaho

Our best Frontier 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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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?

Alaska Airlines, United 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 October 2025, there are 40 flights per day flying from California to Idaho. The most common time of day flights depart is 7:00PM, with 45% of flights taking off in the evening.

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

As of October 2025, 282 flights take off from California and land in Idaho each week. The most common flight departure day for this route is Thu, with 34% 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