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Idaho Falls

$45+ 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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — IDA
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
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 July 2, 2025.

Round-trip from

$90
(Booking.com)

One-way from

$45
(Booking.com)

Popular in

June

Cheapest in

April

Average price

$442

Good round-trip deal

$101 or less

Good one-way deal

$51 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. 17% potential increase in price ($99 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 2, 2025.

This Booking.com deal was found by Cheapflights users on 7/1. 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 8/113:46 pmOAK - IDA
Nonstop1h 47mAllegiant Air
Fri 8/157:31 pmIDA - OAK
Nonstop2h 03mAllegiant Air
Deal found 7/1$90
This Gotogate deal was found by Cheapflights users on 6/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/85:39 pmSNA - IDA
Nonstop2h 10mAllegiant Air
Fri 9/124:55 pmIDA - SNA
Nonstop2h 10mAllegiant Air
Deal found 6/30$112
This Mytrip deal was found by Cheapflights users on 7/1. 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 8/113:46 pmOAK - IDA
Nonstop1h 47mMultiple Airlines
Fri 8/156:20 pmIDA - OAK
1 stop13h 58mMultiple Airlines
Deal found 7/1$145
This Mytrip deal was found by Cheapflights users on 6/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/16:45 amSNA - IDA
1 stop4h 01mMultiple Airlines
Fri 9/54:55 pmIDA - SNA
Nonstop2h 10mMultiple Airlines
Deal found 6/30$164
This Mytrip deal was found by Cheapflights users on 6/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/146:00 amLAX - IDA
1 stop4h 44mMultiple Airlines
Fri 7/186:12 pmIDA - LAX
1 stop5h 38mMultiple Airlines
Deal found 6/29$220
This Alaska Airlines deal was found by Cheapflights users on 6/29. 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.
Tue 9/29:19 pmSFO - IDA
1 stop17h 01mAlaska Airlines
Fri 9/56:13 amIDA - SFO
1 stop5h 19mAlaska Airlines
Deal found 6/29$236
This Delta deal was found by Cheapflights users on 6/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/145:35 amSFO - IDA
1 stop4h 04mDelta
Mon 8/186:52 pmIDA - SFO
1 stop5h 56mDelta
Deal found 6/30$237
This Delta deal was found by Cheapflights users on 7/1. 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 8/126:00 amLAX - IDA
1 stop3h 39mDelta
Tue 8/196:52 pmIDA - LAX
1 stop6h 03mDelta
Deal found 7/1$241
This Delta deal was found by Cheapflights users on 7/1. 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 8/55:09 pmSMF - IDA
1 stop4h 20mDelta
Mon 8/116:52 pmIDA - SMF
1 stop5h 50mDelta
Deal found 7/1$241
This Delta deal was found by Cheapflights users on 6/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/165:55 amSJC - IDA
1 stop3h 44mDelta
Tue 8/1911:20 amIDA - SJC
1 stop5h 41mDelta
Deal found 6/30$243
This Hawaiian Airlines deal was found by Cheapflights users on 6/29. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/107:00 amLAX - IDA
1 stop7h 38mHawaiian Airlines
Thu 10/166:13 amIDA - LAX
1 stop5h 45mHawaiian Airlines
Deal found 6/29$263
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/135:30 pmSAN - IDA
1 stop20h 50mAlaska Airlines
Thu 9/186:13 amIDA - SAN
1 stop7h 43mAlaska Airlines
Deal found 6/30$264

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 July 2, 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

Mon 8/11

3:46 pm-6:33 pm

Nonstop1h 47m

Idaho Falls Fanning Field

Fri 8/15

7:31 pm-8:34 pm

Nonstop2h 03m

$90

Santa AnaIdaho Falls

SNA - IDA

SNAIDA

Santa Ana J. Wayne/Orange Cnty

Mon 9/8

5:39 pm-8:49 pm

Nonstop2h 10m

Idaho Falls Fanning Field

Fri 9/12

4:55 pm-6:05 pm

Nonstop2h 10m

$112

OaklandIdaho Falls

OAK - IDA

OAKIDA

Oakland

Mon 8/11

3:46 pm-6:33 pm

Nonstop1h 47m

Idaho Falls Fanning Field

Fri 8/15

6:20 pm-7:18 am

1 stop13h 58m

$145

Santa AnaIdaho Falls

SNA - IDA

SNAIDA

Santa Ana J. Wayne/Orange Cnty

Mon 9/1

6:45 am-11:46 am

1 stop4h 01m

Idaho Falls Fanning Field

Fri 9/5

4:55 pm-6:05 pm

Nonstop2h 10m

$164

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Mon 7/14

6:00 am-11:44 am

1 stop4h 44m

Idaho Falls Fanning Field

Fri 7/18

6:12 pm-10:50 pm

1 stop5h 38m

$220

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Tue 9/2

9:19 pm-3:20 pm

1 stop17h 01m

Idaho Falls Fanning Field

Fri 9/5

6:13 am-10:32 am

1 stop5h 19m

$236

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Thu 8/14

5:35 am-10:39 am

1 stop4h 04m

Idaho Falls Fanning Field

Mon 8/18

6:52 pm-11:48 pm

1 stop5h 56m

$237

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Tue 8/12

6:00 am-10:39 am

1 stop3h 39m

Idaho Falls Fanning Field

Tue 8/19

6:52 pm-11:55 pm

1 stop6h 03m

$241

SacramentoIdaho Falls

SMF - IDA

SMFIDA

Sacramento Intl

Tue 8/5

5:09 pm-10:29 pm

1 stop4h 20m

Idaho Falls Fanning Field

Mon 8/11

6:52 pm-11:42 pm

1 stop5h 50m

$241

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Sat 8/16

5:55 am-10:39 am

1 stop3h 44m

Idaho Falls Fanning Field

Tue 8/19

11:20 am-4:01 pm

1 stop5h 41m

$243

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

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, 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 July 2, 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.

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 July 2, 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

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.8

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

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.8

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
7,974 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,538 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.8

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
8,858 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.8

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?

    $45 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 $118 and $119, respectively.

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

    While some choose either Santa Ana J. Wayne/Orange Cnty - Idaho Falls Fanning Field or San Jose - 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, 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

Traveling to a place near California?

Book flights to California if you plan to visit one of these locations
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Alternative routes for California to Idaho Falls

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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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$98Average$172FlexibilityNo cancel feeOn-time88%
DeltaCheapest$219Average$463FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$219Average$452FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$254Average$357FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$283Average$460FlexibilityNo cancel feeOn-time69%

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