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Idaho Falls

$72+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — IDA
Jan 30 — Feb 61
Fri 1/30
Fri 2/6
1 adult, Economy
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Cheap 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 December 31, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/28. 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.
Sun 12/289:14 pmSAN - IDA
1 stop22h 38mMultiple Airlines
Sun 2/11:34 pmIDA - SAN
2 stops20h 17mMultiple Airlines
Deal found 12/28$418
This Delta deal was found by Cheapflights users on 12/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/285:03 pmSAN - IDA
1 stop4h 49mDelta
Sun 2/16:35 pmIDA - SAN
1 stop6h 13mDelta
Deal found 12/28$440
This Kiwi.com deal was found by Cheapflights users on 12/28. 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.
Sun 12/289:14 pmSAN - IDA
1 stop22h 38mMultiple Airlines
Fri 1/210:52 pmIDA - SAN
1 stop14h 46mMultiple Airlines
Deal found 12/28$457
This American Airlines deal was found by Cheapflights users on 12/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/294:30 pmLAX - IDA
1 stop4h 51mAmerican Airlines
Sat 1/177:20 amIDA - LAX
1 stop5h 37mAmerican Airlines
Deal found 12/29$531
This Delta deal was found by Cheapflights users on 12/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/301:29 pmSAN - IDA
1 stop3h 48mDelta
Sun 1/45:55 amIDA - SAN
1 stop4h 00mDelta
Deal found 12/28$571
This American Airlines deal was found by Cheapflights users on 12/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/304:23 pmSMF - IDA
1 stop4h 58mAmerican Airlines
Wed 12/317:00 amIDA - SMF
1 stop6h 12mAmerican Airlines
Deal found 12/29$571
This Delta deal was found by Cheapflights users on 12/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:00 amSNA - IDA
1 stop4h 27mDelta
Mon 12/296:57 pmIDA - SNA
1 stop4h 07mDelta
Deal found 12/27$571
This Alaska Airlines deal was found by Cheapflights users on 12/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/294:36 pmONT - IDA
1 stop6h 31mAlaska Airlines
Sat 1/179:00 amIDA - ONT
1 stop7h 08mAlaska Airlines
Deal found 12/29$585
This Delta deal was found by Cheapflights users on 12/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:00 pmLAX - IDA
1 stop4h 52mDelta
Sun 1/45:55 amIDA - LAX
1 stop4h 09mDelta
Deal found 12/28$588
This Delta deal was found by Cheapflights users on 12/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:00 pmLAX - IDA
1 stop4h 52mDelta
Sat 1/36:57 pmIDA - LAX
1 stop5h 04mDelta
Deal found 12/28$621
This United Airlines deal was found by Cheapflights users on 12/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:15 pmSNA - IDA
1 stop5h 44mUnited Airlines
Sat 1/35:00 amIDA - SNA
1 stop5h 38mUnited Airlines
Deal found 12/28$621
This United Airlines deal was found by Cheapflights users on 12/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3012:42 pmSAN - IDA
1 stop7h 32mUnited Airlines
Sun 1/44:05 pmIDA - SAN
1 stop7h 27mUnited Airlines
Deal found 12/29$622

Find 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 December 31, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$101
(Cheapflightsfares)

One-way from

$72
(Cheapflightsfares)

Popular in

December

Cheapest in

April

Average price

$649

Good round-trip deal

$290 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 ($107 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip 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 December 31, 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 1/9

5:12 pm-8:30 pm

Nonstop2h 18m

Idaho Falls Fanning Field

Mon 1/12

3:09 pm-4:22 pm

Nonstop2h 13m

$101

Santa AnaIdaho Falls

SNA - IDA

SNAIDA

Santa Ana J. Wayne/Orange Cnty

Fri 1/23

5:12 pm-8:30 pm

Nonstop2h 18m

Idaho Falls Fanning Field

Mon 1/26

3:09 pm-4:22 pm

Nonstop2h 13m

$112

Santa AnaIdaho Falls

SNA - IDA

SNAIDA

Santa Ana J. Wayne/Orange Cnty

Mon 1/26

5:12 pm-8:30 pm

Nonstop2h 18m

Idaho Falls Fanning Field

Mon 2/2

3:09 pm-4:22 pm

Nonstop2h 13m

$124

Santa AnaIdaho Falls

SNA - IDA

SNAIDA

Santa Ana J. Wayne/Orange Cnty

Fri 2/20

6:31 pm-9:41 pm

Nonstop2h 10m

Idaho Falls Fanning Field

Mon 2/23

4:21 pm-5:41 pm

Nonstop2h 20m

$154

Santa AnaIdaho Falls

SNA - IDA

SNAIDA

Santa Ana J. Wayne/Orange Cnty

Mon 1/26

5:12 pm-8:30 pm

Nonstop2h 18m

Idaho Falls Fanning Field

Mon 2/2

9:20 pm-8:57 pm

1 stop24h 37m

$159

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Sat 1/17

5:45 pm-12:44 pm

1 stop17h 59m

Idaho Falls Fanning Field

Mon 1/19

9:20 pm-8:22 am

1 stop12h 02m

$204

Santa AnaIdaho Falls

SNA - IDA

SNAIDA

Santa Ana J. Wayne/Orange Cnty

Thu 2/12

6:48 pm-8:01 am

1 stop12h 13m

Idaho Falls Fanning Field

Mon 2/16

10:31 pm-8:57 pm

1 stop23h 26m

$215

Santa AnaIdaho Falls

SNA - IDA

SNAIDA

Santa Ana J. Wayne/Orange Cnty

Fri 1/23

6:45 am-2:19 pm

1 stop6h 34m

Idaho Falls Fanning Field

Mon 1/26

9:20 pm-12:25 pm

1 stop16h 05m

$220

Santa AnaIdaho Falls

SNA - IDA

SNAIDA

Santa Ana J. Wayne/Orange Cnty

Fri 2/20

6:45 am-3:31 pm

1 stop7h 46m

Idaho Falls Fanning Field

Mon 2/23

10:31 pm-8:57 pm

1 stop23h 26m

$225

Santa AnaIdaho Falls

SNA - IDA

SNAIDA

Santa Ana J. Wayne/Orange Cnty

Thu 1/22

3:35 pm-10:59 pm

1 stop6h 24m

Idaho Falls Fanning Field

Fri 1/23

3:09 pm-4:22 pm

Nonstop2h 13m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/29

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 December is currently the most expensive (average of $228). 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 December 31, 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 at noon, which can drop the price by up to 24% versus a flight in the evening.

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 18m. Fly via Allegiant Air, Hawaiian Airlines, or Alaska 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?

    $36 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 Delta and United Airlines, with prices starting from $106 and $154, respectively.

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

    While some choose either Ontario - Idaho Falls Fanning Field or San Francisco - Idaho Falls Fanning Field, Los Angeles - 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 December is currently the most expensive (average of $228). 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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Top 5 airlines flying from California to Idaho Falls

Discover the top 5 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 December 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$98Average$172FlexibilityNo cancel feeOn-time88%
Hawaiian AirlinesCheapest$120Average$418FlexibilityNo cancel feeOn-time85%
DeltaCheapest$143Average$393FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$230Average$391FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$284Average$458FlexibilityNo cancel feeOn-time69%

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