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Idaho Falls

$54+ 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 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — IDA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$109
(Cheapflightsfares)

One-way from

$54
(Booking.com)

Popular in

June

Cheapest in

April

Average price

$827

Good round-trip deal

$98 or less

Good one-way deal

$50 or less
From California to Idaho Falls Fanning Field
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One-way flight from California to Idaho Falls Fanning Field
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Highest demand for flights based on searches. 15% potential increase in price ($88 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from California to Idaho Falls Fanning Field.
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Price to beat on a one-way flight from California to Idaho Falls Fanning Field.
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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 June 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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 7/113:46 pmOAK - IDA
Nonstop1h 47mAllegiant Air
Mon 7/147:23 pmIDA - OAK
Nonstop2h 02mAllegiant Air
Deal found 6/12$109
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 6/208:57 amLAS - IDA
Nonstop1h 48mAllegiant Air
Mon 6/236:17 pmIDA - LAS
Nonstop1h 46mAllegiant Air
Deal found 6/11$137
This Mytrip deal was found by Cheapflights users on 6/11. 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 7/188:56 amLAS - IDA
Nonstop1h 48mMultiple Airlines
Mon 7/217:23 pmIDA - LAS
1 stop16h 36mMultiple Airlines
Deal found 6/11$138
This Booking.com deal was found by Cheapflights users on 6/10. 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 7/142:20 pmSNA - IDA
Nonstop2h 07mAllegiant Air
Mon 7/2812:29 pmIDA - SNA
Nonstop2h 06mAllegiant Air
Deal found 6/10$155
This Mytrip deal was found by Cheapflights users on 6/11. 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 7/253:46 pmOAK - IDA
Nonstop1h 47mMultiple Airlines
Mon 7/286:12 pmIDA - OAK
1 stop15h 16mMultiple Airlines
Deal found 6/11$160
This Mytrip deal was found by Cheapflights users on 6/10. 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 8/410:55 amSAN - IDA
1 stop6h 38mMultiple Airlines
Mon 8/116:12 pmIDA - SAN
1 stop24h 43mMultiple Airlines
Deal found 6/10$181
This Mytrip deal was found by Cheapflights users on 6/10. 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 7/1412:21 pmSNA - IDA
1 stop5h 12mMultiple Airlines
Mon 7/2812:29 pmIDA - SNA
Nonstop2h 06mMultiple Airlines
Deal found 6/10$183
This SmartFares deal was found by Cheapflights users on 6/11. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/243:40 pmLAX - IDA
1 stop5h 59mAlaska Airlines
Mon 9/296:13 amIDA - LAX
1 stop7h 50mAlaska Airlines
Deal found 6/11$224
This SmartFares deal was found by Cheapflights users on 6/11. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/246:45 amSNA - IDA
1 stop7h 38mAlaska Airlines
Mon 9/294:03 pmIDA - SNA
1 stop7h 27mAlaska Airlines
Deal found 6/11$229
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Thu 6/2610:19 amSMF - IDA
1 stop24h 26mMultiple Airlines
Mon 6/306:17 pmIDA - SMF
1 stop16h 07mMultiple Airlines
Deal found 6/11$232
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 7/309:15 amSFO - IDA
1 stop5h 07mAlaska Airlines
Tue 8/56:15 amIDA - SFO
1 stop5h 14mAlaska Airlines
Deal found 6/10$240
This Delta deal was found by Cheapflights users on 6/12. 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 8/46:15 amSAN - IDA
1 stop7h 04mDelta
Wed 8/206:00 amIDA - SAN
1 stop3h 39mDelta
Deal found 6/12$241

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 June 12, 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

OaklandIdaho Falls

OAK - IDA

OAKIDA

Oakland

Fri 7/11

3:46 pm-6:33 pm

Nonstop1h 47m

Idaho Falls Fanning Field

Mon 7/14

7:23 pm-8:25 pm

Nonstop2h 02m

$109

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Fri 7/18

8:56 am-11:44 am

Nonstop1h 48m

Idaho Falls Fanning Field

Mon 7/21

7:23 pm-10:59 am

1 stop16h 36m

$138

Santa AnaIdaho Falls

SNA - IDA

SNAIDA

Santa Ana J. Wayne/Orange Cnty

Mon 7/14

2:20 pm-5:27 pm

Nonstop2h 07m

Idaho Falls Fanning Field

Mon 7/28

12:29 pm-1:35 pm

Nonstop2h 06m

$155

OaklandIdaho Falls

OAK - IDA

OAKIDA

Oakland

Fri 7/25

3:46 pm-6:33 pm

Nonstop1h 47m

Idaho Falls Fanning Field

Mon 7/28

6:12 pm-8:28 am

1 stop15h 16m

$160

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Mon 8/4

10:55 am-6:33 pm

1 stop6h 38m

Idaho Falls Fanning Field

Mon 8/11

6:12 pm-5:55 pm

1 stop24h 43m

$181

Santa AnaIdaho Falls

SNA - IDA

SNAIDA

Santa Ana J. Wayne/Orange Cnty

Mon 7/14

12:21 pm-6:33 pm

1 stop5h 12m

Idaho Falls Fanning Field

Mon 7/28

12:29 pm-1:35 pm

Nonstop2h 06m

$183

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Wed 9/24

3:40 pm-10:39 pm

1 stop5h 59m

Idaho Falls Fanning Field

Mon 9/29

6:13 am-1:03 pm

1 stop7h 50m

$224

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Fri 7/18

8:56 am-11:44 am

Nonstop1h 48m

Idaho Falls Fanning Field

Sun 7/27

9:47 am-11:27 pm

1 stop14h 40m

$224

Santa AnaIdaho Falls

SNA - IDA

SNAIDA

Santa Ana J. Wayne/Orange Cnty

Wed 9/24

6:45 am-3:23 pm

1 stop7h 38m

Idaho Falls Fanning Field

Mon 9/29

4:03 pm-10:30 pm

1 stop7h 27m

$229

SacramentoIdaho Falls

SMF - IDA

SMFIDA

Sacramento Intl

Thu 6/26

10:19 am-11:45 am

1 stop24h 26m

Idaho Falls Fanning Field

Mon 6/30

6:17 pm-9:24 am

1 stop16h 07m

$232

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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, October is the cheapest month in which you can book a flight from California to Idaho Falls (average of $380). Flying from California to Idaho Falls in December is currently the most expensive (average of $578). 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 June 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from California to Idaho Falls as you normally would.

Rainfall in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho Falls ranges from 0.6 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. July is typically the driest time to visit Idaho Falls when rainfall is around 0.6 in.

Temperature in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. 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 Idaho Falls. Reviews last updated June 12, 2025.
See what other customers who have flown with Alaska Airlines, Delta and Hawaiian Airlines from California to Idaho Falls have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Allegiant Air
7.3
Good
725 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    $54 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 Hawaiian Airlines and Alaska Airlines, with prices starting from $120 and $120, respectively.

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

    While some choose either Sacramento Intl - Idaho Falls Fanning Field or Los Angeles - Idaho Falls Fanning Field, San Francisco - 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, October is the cheapest month in which you can book a flight from California to Idaho Falls (average of $380). Flying from California to Idaho Falls in December is currently the most expensive (average of $578). 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 California to Idaho Falls

See prices for flight routes from nearby airports that may be better suited for you.
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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$98Average$175FlexibilityNo cancel feeOn-time88%
Alaska AirlinesCheapest$196Average$438FlexibilityNo cancel feeOn-time75%
DeltaCheapest$219Average$505FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$254Average$357FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$283Average$476FlexibilityNo cancel feeOn-time69%

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