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Cheap flights from California to Idaho Falls 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 Falls departing on 11/26. 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 Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
10:27 am - 1:16 pmLAS-IDA
1h 49mnonstop
Allegiant Air Logo
4:39 pm - 5:24 pmIDA-LAS
1h 45mnonstop
$101Allegiant Air
Find Deal
Fri, Dec 5 - Sun, Dec 7
Allegiant Air Logo
6:58 pm - 10:06 pmSNA-IDA
2h 08mnonstop
Allegiant Air Logo
1:57 pm - 3:08 pmIDA-SNA
2h 11mnonstop
$118Allegiant Air
Find Deal
Fri, Nov 14 - Mon, Nov 17
Multiple Airlines Logo
9:33 am - 7:26 pmLAS-IDA
8h 53m1 stop
Multiple Airlines Logo
4:39 pm - 5:24 pmIDA-LAS
1h 45mnonstop
$175Multiple Airlines
Find Deal
Fri, Dec 5 - Sun, Dec 7
Multiple Airlines Logo
3:30 pm - 3:49 pmLAX-IDA
23h 19m1 stop
Multiple Airlines Logo
12:49 pm - 8:05 pmIDA-LAX
8h 16m1 stop
$179Multiple Airlines
Find Deal
Wed, Dec 10 - Sat, Dec 13
Alaska Airlines Logo
3:36 pm - 10:59 pmSJC-IDA
6h 23m1 stop
Alaska Airlines Logo
6:58 pm - 9:48 amIDA-SJC
15h 50m1 stop
$260Alaska Airlines
Find Deal
Mon, Jan 26 - Wed, Jan 28
United Airlines Logo
6:30 am - 1:30 pmSAN-IDA
6h 00m1 stop
United Airlines Logo
2:40 pm - 8:42 pmIDA-SAN
7h 02m1 stop
$261United Airlines
Find Deal
Mon, Jan 26 - Fri, Jan 30
Delta Logo
5:07 pm - 10:21 pmSFO-IDA
4h 14m1 stop
Delta Logo
7:06 pm - 10:13 pmIDA-SFO
4h 07m1 stop
$261Delta
Find Deal
Sun, Dec 7 - Mon, Dec 8
Alaska Airlines Logo
6:20 pm - 11:59 pmSFO-IDA
4h 39m1 stop
Alaska Airlines Logo
5:07 pm - 10:45 pmIDA-SFO
6h 38m1 stop
$271Alaska Airlines
Find Deal
Wed, Dec 10 - Sat, Dec 13
United Airlines Logo
6:30 am - 1:30 pmSAN-IDA
6h 00m1 stop
United Airlines Logo
2:40 pm - 8:42 pmIDA-SAN
7h 02m1 stop
$285United Airlines
Find Deal
Mon, Jan 26 - Sun, Feb 1
Delta Logo
6:25 pm - 10:21 pmSJC-IDA
26h 56m2 stops
Delta Logo
6:45 pm - 11:59 pmIDA-SJC
6h 14m1 stop
$301Delta
Find Deal
Mon, Mar 2 - Fri, Mar 6

Delta flights from California to Idaho Falls

Our best Delta deals on California to Idaho Falls flight tickets
Delta
Dec 7
SFO5:07 pmSan Francisco
4h 14m
1 stop
IDA10:21 pmIdaho Falls Fanning Field
Dec 8
IDA7:06 pmIdaho Falls Fanning Field
4h 07m
1 stop
SFO10:13 pmSan Francisco
$261
Find similar
Delta
Mar 2
SJC6:25 pmSan Jose
26h 56m
2 stops
IDA10:21 pmIdaho Falls Fanning Field
Mar 6
IDA6:45 pmIdaho Falls Fanning Field
6h 14m
1 stop
SJC11:59 pmSan Jose
$301
Find similar
Delta
Feb 26
LAS6:10 amLas Vegas Harry Reid Intl
15h 11m
1 stop
IDA10:21 pmIdaho Falls Fanning Field
Mar 1
IDA6:45 pmIdaho Falls Fanning Field
5h 16m
1 stop
LAS11:01 pmLas Vegas Harry Reid Intl
$303
Find similar

Hawaiian Airlines flights from California to Idaho Falls

Our best Hawaiian Airlines deals on California to Idaho Falls flight tickets
Hawaiian Airlines
Apr 14
SFO4:40 pmSan Francisco
4h 55m
1 stop
IDA10:35 pmIdaho Falls Fanning Field
Apr 15
IDA6:15 amIdaho Falls Fanning Field
7h 01m
1 stop
SFO12:16 pmSan Francisco
$295
Find similar
Hawaiian Airlines
Mar 14
LAX3:55 pmLos Angeles
5h 43m
1 stop
IDA10:38 pmIdaho Falls Fanning Field
Mar 17
IDA8:00 amIdaho Falls Fanning Field
5h 29m
1 stop
LAX12:29 pmLos Angeles
$299
Find similar
Hawaiian Airlines
Feb 28
SNA11:15 amSanta Ana J. Wayne/Orange Cnty
10h 23m
1 stop
IDA10:38 pmIdaho Falls Fanning Field
Mar 4
IDA4:00 pmIdaho Falls Fanning Field
6h 30m
1 stop
SNA9:30 pmSanta Ana J. Wayne/Orange Cnty
$301
Find similar

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 October 30, 2025.
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

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Fri 12/5

10:27 am-1:16 pm

Nonstop1h 49m

Idaho Falls Fanning Field

Sun 12/7

4:39 pm-5:24 pm

Nonstop1h 45m

$101

Santa AnaIdaho Falls

SNA - IDA

SNAIDA

Santa Ana J. Wayne/Orange Cnty

Fri 11/14

6:58 pm-10:06 pm

Nonstop2h 08m

Idaho Falls Fanning Field

Mon 11/17

1:57 pm-3:08 pm

Nonstop2h 11m

$118

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Fri 12/5

9:33 am-7:26 pm

1 stop8h 53m

Idaho Falls Fanning Field

Sun 12/7

4:39 pm-5:24 pm

Nonstop1h 45m

$175

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Wed 12/10

3:30 pm-3:49 pm

1 stop23h 19m

Idaho Falls Fanning Field

Sat 12/13

12:49 pm-8:05 pm

1 stop8h 16m

$179

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Mon 1/26

3:36 pm-10:59 pm

1 stop6h 23m

Idaho Falls Fanning Field

Wed 1/28

6:58 pm-9:48 am

1 stop15h 50m

$260

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Mon 1/26

6:30 am-1:30 pm

1 stop6h 00m

Idaho Falls Fanning Field

Fri 1/30

2:40 pm-8:42 pm

1 stop7h 02m

$261

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Sun 12/7

5:07 pm-10:21 pm

1 stop4h 14m

Idaho Falls Fanning Field

Mon 12/8

7:06 pm-10:13 pm

1 stop4h 07m

$261

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Wed 12/10

6:20 pm-11:59 pm

1 stop4h 39m

Idaho Falls Fanning Field

Sat 12/13

5:07 pm-10:45 pm

1 stop6h 38m

$271

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Mon 1/26

6:30 am-1:30 pm

1 stop6h 00m

Idaho Falls Fanning Field

Sun 2/1

2:40 pm-8:42 pm

1 stop7h 02m

$285

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Mon 3/2

6:25 pm-10:21 pm

2 stops26h 56m

Idaho Falls Fanning Field

Fri 3/6

6:45 pm-11:59 pm

1 stop6h 14m

$301

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 April, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $315.

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

Our data shows that Tuesday is the least expensive day to fly to Idaho Falls. Tickets to fly out on this day can be as low as $359. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Idaho Falls on Sunday is $625.

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

Our most recent data shows that the best time of day to fly to Idaho Falls is at noon. Flights from California to Idaho Falls during this time can be as low as $373. Try not to purchase tickets in the morning because they tend to be around $513. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

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

There is only 1 cabin class available to choose from on California to Idaho Falls Fanning Field 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 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

$119

Fastest flight time

1h 46m

Direct flights

Mon, Tue, Thu, Sat and Sun

Airports in Idaho Falls

1 airport
The best one-way flight to Idaho Falls from California in the past 72 hours is $119. The best round-trip flight deal from California to Idaho Falls found on momondo in the last 72 hours is $170.
The fastest flight from California to Idaho Falls takes 1h 46m
Direct flights go from California to Idaho Falls on Monday, Tuesday, Thursday, Saturday and Sunday. The only airline offering direct flights is Allegiant Air.
There is 1 airport near Idaho Falls: Idaho Falls Fanning Field (IDA)
Search flight deals

  • 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
7.2
694 reviews
Search Allegiant Air flights
Hawaiian AirlinesPriceFrom $120Free CancellationRating
7.8
2,797 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $155Free CancellationRating
7.9
7,998 reviews
Search Delta flights
Alaska AirlinesPriceFrom $219Free CancellationRating
8.0
11,217 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $254Free CancellationRating
7.2
11,035 reviews
Search American Airlines flights
United AirlinesPriceFrom $300Free CancellationRating
7.4
8,998 reviews
Search United 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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