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Cheap flights from California to Idaho Falls from $86

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 Falls departing on 6/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from California to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
6:57 pm - 10:04 pm
SNA
-
IDA
2h 07mnonstop
Allegiant Air Logo
4:55 pm - 6:07 pm
IDA
-
SNA
2h 12mnonstop
$159Allegiant Air
Fri, Aug 14 - Mon, Aug 17
Allegiant Air Logo
1:41 pm - 4:48 pm
SNA
-
IDA
2h 07mnonstop
Allegiant Air Logo
10:55 am - 12:06 pm
IDA
-
SNA
2h 11mnonstop
$170Allegiant Air
Fri, May 29 - Mon, Jun 1
Multiple Airlines Logo
8:29 pm - 4:00 pm
SAN
-
IDA
18h 31m
1 stop
Multiple Airlines Logo
10:47 pm - 8:58 pm
IDA
-
SAN
23h 11m
1 stop
$194Multiple Airlines
Thu, Jul 23 - Mon, Jul 27
Multiple Airlines Logo
1:53 pm - 8:55 am
LAX
-
IDA
18h 02m
1 stop
Multiple Airlines Logo
10:47 pm - 9:24 am
IDA
-
LAX
11h 37m
1 stop
$213Multiple Airlines
Sat, Jul 18 - Mon, Jul 27
Delta Logo
5:35 am - 10:43 am
LAX
-
IDA
4h 08m
1 stop
Delta Logo
7:00 pm - 10:10 pm
IDA
-
LAX
4h 10m
1 stop
$231Delta
Wed, Jul 15 - Sat, Jul 18
United Airlines Logo
6:30 am - 3:23 pm
SAN
-
IDA
7h 53m
1 stop
United Airlines Logo
4:04 pm - 8:34 pm
IDA
-
SAN
5h 30m
1 stop
$251United Airlines
Tue, Sep 1 - Wed, Sep 2
Delta Logo
5:35 am - 10:43 am
LAX
-
IDA
4h 08m
1 stop
Delta Logo
6:00 am - 10:34 am
IDA
-
LAX
5h 34m
1 stop
$256Delta
Sun, Jul 5 - Wed, Jul 8
Alaska Airlines Logo
3:05 pm - 10:56 pm
ONT
-
IDA
6h 51m
1 stop
Alaska Airlines Logo
4:14 pm - 8:24 pm
IDA
-
ONT
5h 10m
1 stop
$319Alaska Airlines
Wed, Aug 26 - Sun, Sep 27
Alaska Airlines Logo
8:00 am - 1:06 pm
SMF
-
IDA
4h 06m
1 stop
Alaska Airlines Logo
4:12 pm - 7:36 pm
IDA
-
SMF
4h 24m
1 stop
$325Alaska Airlines
Wed, Oct 7 - Wed, Oct 14
United Airlines Logo
5:00 am - 1:29 pm
ONT
-
IDA
7h 29m
1 stop
United Airlines Logo
4:04 pm - 8:53 pm
IDA
-
ONT
5h 49m
1 stop
$339United Airlines
Fri, Aug 28 - Mon, Aug 31

Allegiant Air flights from California to Idaho Falls

Our best Allegiant Air deals on California to Idaho Falls flight tickets
Allegiant Air
Aug 14
SNA6:57 pmSanta Ana J. Wayne/Orange Cnty
2h 07m
IDA10:04 pmIdaho Falls Fanning Field
Aug 17
IDA4:55 pmIdaho Falls Fanning Field
2h 12m
SNA6:07 pmSanta Ana J. Wayne/Orange Cnty
$159
Allegiant Air
May 29
SNA1:41 pmSanta Ana J. Wayne/Orange Cnty
2h 07m
IDA4:48 pmIdaho Falls Fanning Field
Jun 1
IDA10:55 amIdaho Falls Fanning Field
2h 11m
SNA12:06 pmSanta Ana J. Wayne/Orange Cnty
$170
Allegiant Air
Sep 21
SNA2:26 pmSanta Ana J. Wayne/Orange Cnty
2h 05m
IDA5:31 pmIdaho Falls Fanning Field
Sep 28
IDA12:24 pmIdaho Falls Fanning Field
2h 12m
SNA1:36 pmSanta Ana J. Wayne/Orange Cnty
$171

Delta flights from California to Idaho Falls

Our best Delta deals on California to Idaho Falls flight tickets
Delta
Jul 15
LAX5:35 amLos Angeles
4h 08m
1 stop
IDA10:43 amIdaho Falls Fanning Field
Jul 18
IDA7:00 pmIdaho Falls Fanning Field
4h 10m
1 stop
LAX10:10 pmLos Angeles
$231
Delta
Jul 5
LAX5:35 amLos Angeles
4h 08m
1 stop
IDA10:43 amIdaho Falls Fanning Field
Jul 8
IDA6:00 amIdaho Falls Fanning Field
5h 34m
1 stop
LAX10:34 amLos Angeles
$256
Delta
Aug 4
LAX5:33 amLos Angeles
4h 17m
1 stop
IDA10:50 amIdaho Falls Fanning Field
Aug 17
IDA7:00 pmIdaho Falls Fanning Field
3h 41m
1 stop
LAX9:41 pmLos Angeles
$261

momondo Fare Finder

 
Customize your flight search to find flights from California to Idaho Falls 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 May 16, 2026.
Use the filters below to find and compare flights from California to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Santa AnaIdaho Falls

SNA - IDA

SNAIDA

Santa Ana J. Wayne/Orange Cnty

Fri 8/14

6:57 pm-10:04 pm

Nonstop2h 07m

Idaho Falls Fanning Field

Mon 8/17

4:55 pm-6:07 pm

Nonstop2h 12m

$159
Quickest round-trip

Santa AnaIdaho Falls

SNA - IDA

SNAIDA

Santa Ana J. Wayne/Orange Cnty

Fri 5/29

1:41 pm-4:48 pm

Nonstop2h 07m

Idaho Falls Fanning Field

Mon 6/1

10:55 am-12:06 pm

Nonstop2h 11m

$170

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Thu 7/23

8:29 pm-4:00 pm

1 stop18h 31m

Idaho Falls Fanning Field

Mon 7/27

10:47 pm-8:58 pm

1 stop23h 11m

$194

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Sat 7/18

1:53 pm-8:55 am

1 stop18h 02m

Idaho Falls Fanning Field

Mon 7/27

10:47 pm-9:24 am

1 stop11h 37m

$213

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Wed 7/15

5:35 am-10:43 am

1 stop4h 08m

Idaho Falls Fanning Field

Sat 7/18

7:00 pm-10:10 pm

1 stop4h 10m

$231

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Tue 9/1

6:30 am-3:23 pm

1 stop7h 53m

Idaho Falls Fanning Field

Wed 9/2

4:04 pm-8:34 pm

1 stop5h 30m

$251

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Sun 7/5

5:35 am-10:43 am

1 stop4h 08m

Idaho Falls Fanning Field

Wed 7/8

6:00 am-10:34 am

1 stop5h 34m

$256

OntarioIdaho Falls

ONT - IDA

ONTIDA

Ontario

Wed 8/26

3:05 pm-10:56 pm

1 stop6h 51m

Idaho Falls Fanning Field

Sun 9/27

4:14 pm-8:24 pm

1 stop5h 10m

$319

SacramentoIdaho Falls

SMF - IDA

SMFIDA

Sacramento Intl

Wed 10/7

8:00 am-1:06 pm

1 stop4h 06m

Idaho Falls Fanning Field

Wed 10/14

4:12 pm-7:36 pm

1 stop4h 24m

$325

OntarioIdaho Falls

ONT - IDA

ONTIDA

Ontario

Fri 8/28

5:00 am-1:29 pm

1 stop7h 29m

Idaho Falls Fanning Field

Mon 8/31

4:04 pm-8:53 pm

1 stop5h 49m

$339

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Idaho Falls from

How to get the cheapest flight ticket from California to Idaho Falls

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 Falls?

If you aren’t able to travel to Idaho Falls during the month of August, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $60.

What is the cheapest California to Idaho Falls Fanning Field flight route?

Fly from Santa Ana J. Wayne/Orange Cnty to Idaho Falls Fanning Field for the best California - Idaho Falls Fanning Field flight prices

Can stopping save me money on California to Idaho Falls flights?

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

Cheap California to Idaho Falls flight deals and tips

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

Best Price Found

$66

Fastest flight time

1h 46m

Direct flights

Tue and Sat

Airports in Idaho Falls

1 airport
The best one-way flight to Idaho Falls from California in the past 72 hours is $66. The best round-trip flight deal from California to Idaho Falls found on momondo in the last 72 hours is $251.
The fastest flight from California to Idaho Falls takes 1h 46m
Direct flights go from California to Idaho Falls on Tuesday and Saturday. The only airline offering direct flights is Allegiant Air.
There is 1 airport in Idaho Falls. From California there are direct flights to Idaho Falls Fanning Field (IDA).
Search flight deals

Frequently asked questions about flying from California to Idaho Falls

  • When did momondo last update prices for flights from California to Idaho Falls Fanning Field Airport?

    Prices for flights from California to Idaho Falls Fanning Field Airport are updated daily.

  • How many operators does momondo search for flights from California to Idaho Falls Fanning Field Airport?

  • How old do you have to be to fly from California to Idaho Falls Fanning Field Airport?

    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 Falls Fanning Field Airport.

  • What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

    The travel and health documents you'll need for your trip to Idaho Falls Fanning Field Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho Falls Fanning Field Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from California to Idaho Falls

Compare and see reviews for airlines that fly from California to Idaho Falls with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $98Free CancellationRating
7.3
709 reviews
Search Allegiant Air flights
DeltaPriceFrom $133Free CancellationRating
7.9
8,455 reviews
Search Delta flights
United AirlinesPriceFrom $219Free CancellationRating
7.4
9,726 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $238Free CancellationRating
7.9
12,370 reviews
Search Alaska Airlines flights

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

Why use momondo?

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

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

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Idaho Falls from California.

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

Price alerts on flights to Idaho Falls from California are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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