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Idaho Falls

$66+ Cheap flights from California to Idaho Falls (IDA)

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 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — IDA
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find flight deals from California to Idaho Falls

Cheapest flights from California to Idaho Falls
Explore the most affordable flight options available from California to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/510:27 amLAS - IDA
Nonstop1h 49mAllegiant Air
Sun 12/74:39 pmIDA - LAS
Nonstop1h 45mAllegiant Air
Deal found 10/28$101
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:58 pmSNA - IDA
Nonstop2h 08mAllegiant Air
Mon 11/171:57 pmIDA - SNA
Nonstop2h 11mAllegiant Air
Deal found 10/28$118
This Booking.com deal was found by Cheapflights users on 10/27. 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.
Wed 11/261:17 pmLAS - IDA
Nonstop1h 46mAllegiant Air
Fri 11/286:57 pmIDA - LAS
Nonstop1h 45mAllegiant Air
Deal found 10/27$128
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/311:12 amLAS - IDA
Nonstop1h 49mAllegiant Air
Fri 11/710:56 pmIDA - LAS
Nonstop1h 42mAllegiant Air
Deal found 10/30$152
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 11/146:58 pmSNA - IDA
Nonstop2h 08mMultiple Airlines
Mon 11/177:56 pmIDA - SNA
1 stop26h 05mMultiple Airlines
Deal found 10/30$169
This Mytrip deal was found by Cheapflights users on 10/28. 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.
Fri 12/59:33 amLAS - IDA
1 stop8h 53mMultiple Airlines
Sun 12/74:39 pmIDA - LAS
Nonstop1h 45mMultiple Airlines
Deal found 10/28$175
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/76:58 pmSNA - IDA
Nonstop2h 08mAllegiant Air
Mon 11/101:57 pmIDA - SNA
Nonstop2h 11mAllegiant Air
Deal found 10/29$178
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Wed 12/103:30 pmLAX - IDA
1 stop23h 19mMultiple Airlines
Sat 12/1312:49 pmIDA - LAX
1 stop8h 16mMultiple Airlines
Deal found 10/29$179
This Trip.com deal was found by Cheapflights users on 10/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/41:00 pmLAS - IDA
Nonstop1h 49mMultiple Airlines
Mon 12/85:07 pmIDA - LAS
1 stop6h 46mMultiple Airlines
Deal found 10/29$189
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Wed 11/266:55 pmSNA - IDA
Nonstop2h 06mMultiple Airlines
Sun 11/3010:53 pmIDA - SNA
1 stop20h 53mMultiple Airlines
Deal found 10/30$190
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 11/146:10 amLAX - IDA
1 stop8h 58mMultiple Airlines
Mon 11/177:56 pmIDA - LAX
1 stop14h 48mMultiple Airlines
Deal found 10/30$191
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Thu 11/138:16 pmSNA - IDA
1 stop18h 52mMultiple Airlines
Mon 11/171:57 pmIDA - SNA
Nonstop2h 11mMultiple Airlines
Deal found 10/28$199

Cheap flight deals from California to Idaho Falls

Keep the following information in mind while searching for California to Idaho Falls flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$118
(Cheapflightsfares)

One-way from

$66
(Cheapflightsfares)

Popular in

December

Cheapest in

April

Average price

$593

Good round-trip deal

$170 or less

Good one-way deal

$119 or less
Provider with most accurate pricing for Los Angeles-Idaho Falls Fanning Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Idaho Falls Fanning Field flights.
Search Deals
From California to Idaho Falls Fanning Field
Search Deals
One-way flight from California to Idaho Falls Fanning Field
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($113 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from California to Idaho Falls Fanning Field.
Search Deals
Price to beat on a one-way flight from California to Idaho Falls Fanning Field.
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 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

California

Fly to

Idaho Falls

Route

Depart

Return

Price

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

Santa AnaIdaho Falls

SNA - IDA

SNAIDA

Santa Ana J. Wayne/Orange Cnty

Fri 1/2

6:53 pm-10:07 pm

Nonstop2h 14m

Idaho Falls Fanning Field

Fri 1/9

3:09 pm-4:22 pm

Nonstop2h 13m

$170

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Thu 12/4

1:00 pm-3:49 pm

Nonstop1h 49m

Idaho Falls Fanning Field

Mon 12/8

5:07 pm-10:53 pm

1 stop6h 46m

$189

Santa AnaIdaho Falls

SNA - IDA

SNAIDA

Santa Ana J. Wayne/Orange Cnty

Thu 11/13

8:16 pm-4:08 pm

1 stop18h 52m

Idaho Falls Fanning Field

Mon 11/17

7:56 pm-9:01 pm

1 stop26h 05m

$201

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Mon 11/24

6:00 am-2:55 pm

1 stop7h 55m

Idaho Falls Fanning Field

Mon 12/1

7:58 pm-8:05 pm

1 stop25h 07m

$204

Santa AnaIdaho Falls

SNA - IDA

SNAIDA

Santa Ana J. Wayne/Orange Cnty

Thu 1/29

6:56 pm-2:19 pm

1 stop18h 23m

Idaho Falls Fanning Field

Mon 2/2

3:09 pm-4:22 pm

Nonstop2h 13m

$206

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Wed 11/26

11:18 am-10:01 pm

1 stop9h 43m

Idaho Falls Fanning Field

Fri 11/28

6:57 pm-7:42 pm

Nonstop1h 45m

$207

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Tue 11/25

3:18 pm-4:03 pm

1 stop23h 45m

Idaho Falls Fanning Field

Sun 11/30

10:53 pm-7:47 pm

1 stop21h 54m

$208

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Fri 11/14

6:10 am-10:06 pm

2 stops14h 56m

Idaho Falls Fanning Field

Mon 11/17

7:56 pm-8:14 am

1 stop13h 18m

$215

Santa AnaIdaho Falls

SNA - IDA

SNAIDA

Santa Ana J. Wayne/Orange Cnty

Wed 11/26

6:45 am-4:03 pm

1 stop8h 18m

Idaho Falls Fanning Field

Sun 11/30

10:53 pm-6:46 pm

1 stop20h 53m

$239

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

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

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from California 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 California to Idaho Falls

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

Currently, November is the cheapest month in which you can book a flight from California to Idaho Falls (average of $60). Flying from California to Idaho Falls in February is currently the most expensive (average of $170). 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 CA to IDA?

Find hourly flight availability from California to Idaho Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

When flying from California to Idaho Falls, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 14% versus a flight at noon.

What is the cheapest day to fly from California to Idaho Falls?

Use this chart to determine the cheapest time to fly round-trip from California to Idaho Falls. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their California to Idaho Falls flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from California to Idaho Falls. 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 into for flights to Idaho Falls from California?

    If you book a flight to Idaho Falls from California, you will be flying to Fanning Field, which is the city’s only airport. Idaho Falls Fanning Field (IDA) is located 3.8 mi from the center of Idaho Falls.

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

    There are many flights that can get you from California to Idaho Falls in 2h 08m. Fly via Allegiant Air, Alaska Airlines, or United Airlines to get the fastest option. Airlines will cover a distance of 748 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    $66 is the cheapest one-way deal found within the past few days, from Allegiant Air. You may also be able to find cheap deals on Alaska Airlines and Delta, with prices starting from $130 and $131, respectively.

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

    While some choose either San Francisco - Idaho Falls Fanning Field or Los Angeles - Idaho Falls Fanning Field, Sacramento Intl - Idaho Falls Fanning Field is the most popular route from California to Idaho Falls.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from California to Idaho Falls 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 California to Idaho Falls?

    Currently, November is the cheapest month in which you can book a flight from California to Idaho Falls (average of $60). Flying from California to Idaho Falls in February is currently the most expensive (average of $170). 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

Traveling to a place near Idaho Falls?

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

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Alternative routes for California to Idaho Falls

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Top 6 airlines flying from California to Idaho Falls

Discover the top 6 airlines that operate flights from California to Idaho Falls. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$98Average$172FlexibilityNo cancel feeOn-time88%
Hawaiian AirlinesCheapest$120Average$418FlexibilityNo cancel feeOn-time85%
DeltaCheapest$155Average$454FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$219Average$421FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$254Average$439FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$300Average$456FlexibilityNo cancel feeOn-time69%

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