Cheap flights from California to Idaho from $60

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 4/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from California to Idaho

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
7:24 pm - 10:20 pm
SAN
-
GEG
2h 56mnonstop
Alaska Airlines Logo
10:30 am - 1:18 pm
GEG
-
SAN
2h 48mnonstop
$119Alaska Airlines
Sat, May 2 - Tue, May 12
Allegiant Air Logo
1:20 pm - 3:49 pm
SNA
-
GEG
2h 29mnonstop
Allegiant Air Logo
4:34 pm - 7:13 pm
GEG
-
SNA
2h 39mnonstop
$125Allegiant Air
Thu, Jun 11 - Sun, Jun 14
Southwest Logo
8:15 am - 2:05 pm
SAN
-
GEG
5h 50m
1 stop
Southwest Logo
11:05 am - 1:45 pm
GEG
-
SAN
2h 40mnonstop
$129Southwest
Tue, Apr 28 - Sat, May 2
Southwest Logo
3:05 pm - 10:45 pm
SAN
-
GEG
7h 40m
2 stops
Southwest Logo
11:05 am - 1:45 pm
GEG
-
SAN
2h 40mnonstop
$134Southwest
Tue, Apr 28 - Sat, May 2
Delta Logo
3:45 pm - 11:59 pm
SAN
-
GEG
8h 14m
1 stop
Delta Logo
5:00 am - 12:42 pm
GEG
-
SAN
7h 42m
1 stop
$161Delta
Fri, May 29 - Sun, May 31
Delta Logo
6:59 pm - 9:40 pm
LAX
-
GEG
2h 41mnonstop
Delta Logo
6:20 am - 9:16 am
GEG
-
LAX
2h 56mnonstop
$177Delta
Wed, Apr 22 - Wed, Apr 29
United Airlines Logo
11:43 am - 4:48 pm
LAX
-
BOI
4h 05m
1 stop
United Airlines Logo
7:11 am - 8:30 am
BOI
-
LAX
2h 19mnonstop
$187United Airlines
Sat, Apr 18 - Wed, Apr 22
Hawaiian Airlines Logo
6:56 pm - 9:40 pm
SFO
-
BOI
1h 44mnonstop
Hawaiian Airlines Logo
7:40 am - 8:40 am
BOI
-
SFO
2h 00mnonstop
$187Hawaiian Airlines
Thu, Apr 16 - Sun, Apr 19
Hawaiian Airlines Logo
7:45 pm - 11:02 pm
LAX
-
BOI
2h 17mnonstop
Hawaiian Airlines Logo
8:07 am - 9:37 am
BOI
-
LAX
2h 30mnonstop
$196Hawaiian Airlines
Sat, Apr 18 - Mon, Apr 20
United Airlines Logo
11:43 am - 7:53 pm
LAX
-
BOI
7h 10m
1 stop
United Airlines Logo
7:11 am - 8:30 am
BOI
-
LAX
2h 19mnonstop
$207United Airlines
Sat, Apr 18 - Sun, Apr 19

Hawaiian Airlines flights from California to Idaho

Our best Hawaiian Airlines deals on California to Idaho flight tickets
Hawaiian Airlines
Apr 16
SFO6:56 pmSan Francisco
1h 44m
BOI9:40 pmBoise Air Term. Gowen Fld
Apr 19
BOI7:40 amBoise Air Term. Gowen Fld
2h 00m
SFO8:40 amSan Francisco
$187
Hawaiian Airlines
Apr 18
LAX7:45 pmLos Angeles
2h 17m
BOI11:02 pmBoise Air Term. Gowen Fld
Apr 20
BOI8:07 amBoise Air Term. Gowen Fld
2h 30m
LAX9:37 amLos Angeles
$196
Hawaiian Airlines
Apr 16
SFO9:59 amSan Francisco
4h 30m
1 stop
BOI3:29 pmBoise Air Term. Gowen Fld
Apr 19
BOI7:40 amBoise Air Term. Gowen Fld
2h 00m
SFO8:40 amSan Francisco
$231

Allegiant Air flights from California to Idaho

Our best Allegiant Air deals on California to Idaho flight tickets
Allegiant Air
Jun 11
SNA1:20 pmSanta Ana J. Wayne/Orange Cnty
2h 29m
GEG3:49 pmSpokane
Jun 14
GEG4:34 pmSpokane
2h 39m
SNA7:13 pmSanta Ana J. Wayne/Orange Cnty
$125
Allegiant Air
Jun 4
SNA1:20 pmSanta Ana J. Wayne/Orange Cnty
2h 29m
GEG3:49 pmSpokane
Jun 7
GEG4:34 pmSpokane
2h 39m
SNA7:13 pmSanta Ana J. Wayne/Orange Cnty
$142
Allegiant Air
Jun 11
SNA1:20 pmSanta Ana J. Wayne/Orange Cnty
2h 29m
GEG3:49 pmSpokane
Jun 18
GEG4:34 pmSpokane
2h 39m
SNA7:13 pmSanta Ana J. Wayne/Orange Cnty
$148

momondo Fare Finder

 
Customize your flight search to find flights from California to Idaho that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 26, 2026.
Use the filters below to find and compare flights from California to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoSpokane

SAN - GEG

SANGEG

San Diego

Sat 5/2

7:24 pm-10:20 pm

Nonstop2h 56m

Spokane

Tue 5/12

10:30 am-1:18 pm

Nonstop2h 48m

$119

Santa AnaSpokane

SNA - GEG

SNAGEG

Santa Ana J. Wayne/Orange Cnty

Thu 6/11

1:20 pm-3:49 pm

Nonstop2h 29m

Spokane

Sun 6/14

4:34 pm-7:13 pm

Nonstop2h 39m

$125

San DiegoSpokane

SAN - GEG

SANGEG

San Diego

Tue 4/28

8:15 am-2:05 pm

1 stop5h 50m

Spokane

Sat 5/2

11:05 am-1:45 pm

Nonstop2h 40m

$129

San DiegoSpokane

SAN - GEG

SANGEG

San Diego

Tue 4/28

3:05 pm-10:45 pm

2 stops7h 40m

Spokane

Sat 5/2

11:05 am-1:45 pm

Nonstop2h 40m

$134

San DiegoSpokane

SAN - GEG

SANGEG

San Diego

Fri 5/29

3:45 pm-11:59 pm

1 stop8h 14m

Spokane

Sun 5/31

5:00 am-12:42 pm

1 stop7h 42m

$161

Los AngelesSpokane

LAX - GEG

LAXGEG

Los Angeles

Wed 4/22

6:59 pm-9:40 pm

Nonstop2h 41m

Spokane

Wed 4/29

6:20 am-9:16 am

Nonstop2h 56m

$177

Los AngelesBoise

LAX - BOI

LAXBOI

Los Angeles

Sat 4/18

11:43 am-4:48 pm

1 stop4h 05m

Boise Air Term. Gowen Fld

Wed 4/22

7:11 am-8:30 am

Nonstop2h 19m

$187
Quickest round-trip

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Thu 4/16

6:56 pm-9:40 pm

Nonstop1h 44m

Boise Air Term. Gowen Fld

Sun 4/19

7:40 am-8:40 am

Nonstop2h 00m

$187

Los AngelesBoise

LAX - BOI

LAXBOI

Los Angeles

Sat 4/18

7:45 pm-11:02 pm

Nonstop2h 17m

Boise Air Term. Gowen Fld

Mon 4/20

8:07 am-9:37 am

Nonstop2h 30m

$196

Los AngelesBoise

LAX - BOI

LAXBOI

Los Angeles

Sat 4/18

11:43 am-7:53 pm

1 stop7h 10m

Boise Air Term. Gowen Fld

Sun 4/19

7:11 am-8:30 am

Nonstop2h 19m

$207

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Idaho from

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?

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 $217. If you don’t want to visit Idaho in April, then you should wait until January to fly from California, when ticket prices are also cheap, with an average price of $248.

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 $260. 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 $342.

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 $225. 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 evening is when there is more demand to fly to Idaho, so prices are often more expensive at around $296 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 $295 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

$78

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 $78. The best round-trip flight deal from California to Idaho found on momondo in the last 72 hours is $154.
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).
  • 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?

  • 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?

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
DeltaPriceFrom $49Free CancellationRating
7.9
8,330 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $68Free CancellationRating
7.8
2,839 reviews
Search Hawaiian Airlines flights
Spirit AirlinesPriceFrom $78Free CancellationRating
6.3
8,545 reviews
Search Spirit Airlines flights
Allegiant AirPriceFrom $95Free CancellationRating
7.3
710 reviews
Search Allegiant Air flights
Alaska AirlinesPriceFrom $125Free CancellationRating
7.9
12,115 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $129Free CancellationRating
7.4
9,483 reviews
Search United Airlines flights
SouthwestPriceFrom $147Free CancellationRating
8.0
4,333 reviews
Search Southwest flights
American AirlinesPriceFrom $357Free CancellationRating
7.1
11,495 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 4/25
Sat 5/2

Find better results for your trip to Idaho

Popular cities in Idaho

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