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$55+ Cheap flights from Idaho Falls (IDA) to California

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — LAX
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Idaho Falls to California

Cheapest flights from Idaho Falls to California
Explore the most affordable flight options available from Idaho Falls to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This Mytrip deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/29:20 pm
IDA
-
LAS
Nonstop1h 47m
Allegiant Air
Fri 2/2012:45 pm
LAS
-
IDA
Nonstop1h 46m
Allegiant Air
Deal found 1/25$102
This Booking.com deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2310:31 pm
IDA
-
LAS
Nonstop1h 48m
Allegiant Air
Mon 3/212:45 pm
LAS
-
IDA
Nonstop1h 45m
Allegiant Air
Deal found 1/24$112
This Booking.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2310:31 pm
IDA
-
LAS
Nonstop1h 48m
Allegiant Air
Mon 3/912:45 pm
LAS
-
IDA
Nonstop1h 46m
Allegiant Air
Deal found 1/26$117
This Kiwi.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1310:21 pm
IDA
-
LAS
Nonstop1h 41m
Allegiant Air
Fri 5/112:42 pm
LAS
-
IDA
Nonstop1h 45m
Allegiant Air
Deal found 1/26$128
This Kiwi.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/24:20 pm
IDA
-
SNA
Nonstop2h 20m
Allegiant Air
Fri 3/66:27 pm
SNA
-
IDA
Nonstop2h 13m
Allegiant Air
Deal found 1/26$129
This Booking.com deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2710:29 pm
IDA
-
LAS
Nonstop1h 48m
Allegiant Air
Mon 3/212:45 pm
LAS
-
IDA
Nonstop1h 45m
Allegiant Air
Deal found 1/25$129
This Kiwi.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2010:21 pm
IDA
-
LAS
Nonstop1h 41m
Allegiant Air
Fri 5/112:42 pm
LAS
-
IDA
Nonstop1h 45m
Allegiant Air
Deal found 1/26$132
This Kiwi.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1310:21 pm
IDA
-
LAS
Nonstop1h 41m
Allegiant Air
Fri 4/1712:42 pm
LAS
-
IDA
Nonstop1h 45m
Allegiant Air
Deal found 1/26$135
This Kiwi.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/87:39 pm
IDA
-
LAS
Nonstop1h 43m
Allegiant Air
Fri 6/1910:05 am
LAS
-
IDA
Nonstop1h 46m
Allegiant Air
Deal found 1/26$138
This Kiwi.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1710:21 pm
IDA
-
LAS
Nonstop1h 41m
Allegiant Air
Fri 5/112:42 pm
LAS
-
IDA
Nonstop1h 45m
Allegiant Air
Deal found 1/26$142
This Kiwi.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1310:21 pm
IDA
-
LAS
Nonstop1h 41m
Allegiant Air
Mon 4/2012:42 pm
LAS
-
IDA
Nonstop1h 45m
Allegiant Air
Deal found 1/26$146
This Kiwi.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/24:20 pm
IDA
-
SNA
Nonstop2h 20m
Allegiant Air
Mon 3/96:27 pm
SNA
-
IDA
Nonstop2h 13m
Allegiant Air
Deal found 1/26$148

Find flight deals from Idaho Falls to California

Keep the following information in mind while searching for Idaho Falls to California flight deals. Data was last updated January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$112
(Booking.com)

One-way from

$55
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$333

Good round-trip deal

$166 or less

Good one-way deal

$81 or less
Provider with most accurate pricing for Idaho Falls Fanning Field-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Los Angeles flights.
Search Deals
From Idaho Falls Fanning Field to California
Search Deals
One-way flight from Idaho Falls Fanning Field to California
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($106 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Idaho Falls Fanning Field to California.
Search Deals
Price to beat on a one-way flight from Idaho Falls Fanning Field to California.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho Falls to California 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, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
Use the filters below to find and compare flights from Idaho Falls to California that are best for you.

Fly from

Idaho Falls

Fly to

California

Route

Depart

Return

Price

Idaho FallsSanta Ana

IDA - SNA

IDASNA

Idaho Falls Fanning Field

Mon 3/2

4:20 pm-5:40 pm

Nonstop2h 20m

Santa Ana J. Wayne/Orange Cnty

Fri 3/6

6:27 pm-9:40 pm

Nonstop2h 13m

$141

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Mon 5/25

7:48 pm-8:31 pm

Nonstop1h 43m

Las Vegas Harry Reid Intl

Fri 5/29

10:15 am-1:00 pm

Nonstop1h 45m

$158

Idaho FallsSanta Ana

IDA - SNA

IDASNA

Idaho Falls Fanning Field

Mon 3/30

4:04 pm-5:20 pm

Nonstop2h 16m

Santa Ana J. Wayne/Orange Cnty

Mon 4/6

6:03 pm-9:16 pm

Nonstop2h 13m

$184

Idaho FallsSanta Ana

IDA - SNA

IDASNA

Idaho Falls Fanning Field

Mon 3/2

4:20 pm-5:40 pm

Nonstop2h 20m

Santa Ana J. Wayne/Orange Cnty

Mon 3/9

6:45 am-3:31 pm

1 stop7h 46m

$187

Idaho FallsSanta Ana

IDA - SNA

IDASNA

Idaho Falls Fanning Field

Mon 3/2

4:20 pm-5:40 pm

Nonstop2h 20m

Santa Ana J. Wayne/Orange Cnty

Fri 3/6

8:05 am-4:43 pm

1 stop7h 38m

$199

Idaho FallsSanta Ana

IDA - SNA

IDASNA

Idaho Falls Fanning Field

Mon 2/23

10:31 pm-8:57 pm

1 stop23h 26m

Santa Ana J. Wayne/Orange Cnty

Fri 2/27

6:30 pm-9:39 pm

Nonstop2h 09m

$204

Idaho FallsLos Angeles

IDA - LAX

IDALAX

Idaho Falls Fanning Field

Fri 2/20

10:31 pm-5:38 pm

1 stop20h 07m

Los Angeles

Thu 2/26

9:16 pm-3:30 pm

1 stop17h 14m

$212

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

Tue 2/24

6:35 pm-11:59 pm

1 stop6h 24m

San Jose

Tue 3/3

9:50 am-5:49 pm

1 stop6h 59m

$217

Idaho FallsFresno

IDA - FAT

IDAFAT

Idaho Falls Fanning Field

Tue 2/24

5:20 pm-10:13 pm

1 stop5h 53m

Fresno Airterminal

Tue 3/3

8:06 am-4:43 pm

1 stop7h 37m

$217

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Sat 3/7

5:20 pm-11:44 pm

1 stop7h 24m

San Diego

Tue 3/10

3:45 pm-11:36 pm

1 stop6h 51m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

Showing 1-10 of 60 results
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Best time to book a flight from Idaho Falls to California

Have a flexible travel schedule? Discover the best time to fly to California from Idaho Falls with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Idaho Falls to California

What is the cheapest month to book a flight from Idaho Falls to California?

Currently, May is the cheapest month in which you can book a flight from Idaho Falls to California (average of $89). Flying from Idaho Falls to California in November is currently the most expensive (average of $146). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IDA to CA?

Find hourly flight availability from Idaho Falls to California. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 27, 2026.

One of the essential ways to save on airfare from Idaho Falls to California is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 51% on airfare.

How much does it cost to fly round-trip from Idaho Falls to California?

Reviews of airlines servicing California

Get insights into the airlines that provide service to California. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to California. Reviews last updated January 27, 2026.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and United Airlines from Idaho Falls to California by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,795 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,795 reviews
Alaska Airlines
8.0
Very good
11,795 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,119 reviews
Alaska Airlines
8.0
Very good
11,795 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,205 reviews
Alaska Airlines
8.0
Very good
11,795 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
American Airlines
7.2
Good
11,197 reviews
Alaska Airlines
8.0
Very good
11,795 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Allegiant Air
7.2
Good
706 reviews
Alaska Airlines
8.0
Very good
11,795 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Related info for your journey

Find useful and relevant information for your journey from Idaho Falls to California. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Idaho Falls to California?

    For a flight from Idaho Falls to California, you will be flying from Fanning Field. Idaho Falls Fanning Field (IDA) is just 3.8 mi from the center of the city.

  • How long is the flight from Idaho Falls to California?

    Departing from Idaho Falls to California will take you 2h 20m. There are 748 mi between Idaho Falls and California. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Idaho Falls to California one-way?

    The cheapest airline one-way is Allegiant Air, with whom users have recently found tickets for as low as $78. However, be on the lookout for offers from Delta and Alaska Airlines, as they are both options that can get you from Idaho Falls to California for a low price.

  • What are the most popular routes from Idaho Falls to California?

    The most popular flight routes from Idaho Falls to California are Idaho Falls Fanning Field - Las Vegas Harry Reid Intl, Idaho Falls Fanning Field - Los Angeles and Idaho Falls Fanning Field - Ontario.

  • Can I find deals for flights from Idaho Falls to California that include hotel bookings?

    Yes. In addition to deals on Idaho Falls to California flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho Falls to California?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho Falls to California.

  • Can I find deals for business class flights from Idaho Falls to California?

    Yes. Cheapflights offers flight deals from Idaho Falls to California by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Idaho Falls to California?

    Currently, May is the cheapest month in which you can book a flight from Idaho Falls to California (average of $89). Flying from Idaho Falls to California in November is currently the most expensive (average of $146). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Idaho Falls to California

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Idaho Falls to California

Discover the top 5 airlines that operate flights from Idaho Falls to California. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$90Average$142FlexibilityNo cancel feeOn-time88%
DeltaCheapest$122Average$387FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$155Average$433FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$165Average$355FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$290Average$385FlexibilityNo cancel feeOn-time71%

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