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Idaho Falls

$109+ Cheap flights from Irvine, CA 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — IDA
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Irvine to Idaho Falls

Cheapest flights from Irvine to Idaho Falls
Explore the most affordable flight options available from Irvine to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Tue 12/232:22 pmLAX - IDA
1 stop21h 44mMultiple Airlines
Fri 1/210:52 pmIDA - LAX
1 stop9h 26mMultiple Airlines
Deal found 12/16$342
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Fri 12/264:30 pmLAX - IDA
1 stop4h 51mAmerican Airlines
Fri 1/27:00 amIDA - LAX
1 stop6h 17mAmerican Airlines
Deal found 12/17$450
This Delta deal was found by Cheapflights users on 12/17. 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 12/257:00 amLAX - IDA
1 stop4h 27mDelta
Sun 12/285:55 amIDA - LAX
1 stop7h 10mDelta
Deal found 12/17$471
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Mon 12/224:10 pmLAX - IDA
1 stop5h 49mUnited Airlines
Tue 12/234:05 pmIDA - LAX
1 stop6h 10mUnited Airlines
Deal found 12/15$517
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/304:10 pmLAX - IDA
1 stop5h 49mUnited Airlines
Sun 1/45:00 amIDA - LAX
1 stop5h 37mUnited Airlines
Deal found 12/16$518
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/315:00 amLAX - IDA
1 stop7h 30mUnited Airlines
Sun 1/45:00 amIDA - LAX
1 stop5h 37mUnited Airlines
Deal found 12/16$519
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Sat 12/272:51 pmLAX - IDA
1 stop5h 23mUnited Airlines
Thu 1/15:00 amIDA - LAX
1 stop5h 36mUnited Airlines
Deal found 12/17$571
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Thu 12/255:00 amLAX - IDA
1 stop15h 14mUnited Airlines
Sun 12/285:00 amIDA - LAX
1 stop5h 37mUnited Airlines
Deal found 12/17$578
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Sun 12/282:51 pmLAX - IDA
1 stop7h 08mUnited Airlines
Sun 1/45:00 amIDA - LAX
1 stop7h 20mUnited Airlines
Deal found 12/15$586

Find flight deals from Irvine to Idaho Falls

Keep the following information in mind while searching for Irvine to Idaho Falls flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$242
(Alaska Airlines)

One-way from

$109
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$649
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 Irvine to Idaho Falls Fanning Field
Search Deals
One-way flight from Irvine 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

Cheapflights Fare Finder

 
Customize your flight search to find flights from Irvine 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 18, 2025.
Use the filters below to find and compare flights from Irvine to Idaho Falls that are best for you.

Fly from

Irvine

Fly to

Idaho Falls

Route

Depart

Return

Price

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Sat 1/31

7:00 am-10:59 pm

1 stop14h 59m

Idaho Falls Fanning Field

Sat 2/7

9:00 am-10:58 pm

1 stop14h 58m

$242

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Tue 1/13

4:45 pm-10:36 pm

1 stop4h 51m

Idaho Falls Fanning Field

Sat 1/17

2:07 pm-10:45 pm

1 stop9h 38m

$271

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Fri 2/6

5:45 am-12:34 pm

1 stop5h 49m

Idaho Falls Fanning Field

Mon 2/9

6:35 pm-11:56 pm

1 stop6h 21m

$285

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Thu 1/22

7:45 pm-6:18 pm

1 stop21h 33m

Idaho Falls Fanning Field

Sun 1/25

6:58 pm-11:05 am

2 stops17h 07m

$308

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Mon 2/2

9:16 pm-6:18 pm

2 stops20h 02m

Idaho Falls Fanning Field

Mon 2/9

6:58 pm-1:41 pm

1 stop19h 43m

$321

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Fri 2/6

6:10 am-6:18 pm

2 stops11h 08m

Idaho Falls Fanning Field

Mon 2/9

9:00 am-1:41 pm

1 stop5h 41m

$337

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Wed 3/11

5:09 pm-10:20 pm

1 stop4h 11m

Idaho Falls Fanning Field

Sun 3/15

5:40 am-10:42 am

1 stop6h 02m

$359

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Thu 1/15

2:56 pm-10:59 pm

1 stop7h 03m

$109

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Thu 1/15

6:14 pm-2:19 pm

2 stops19h 05m

$144

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Sun 1/18

9:46 pm-2:19 pm

1 stop15h 33m

$145

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 17 results
1
2

Best time to book a flight from Irvine to Idaho Falls

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

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

Currently, November is the cheapest month in which you can book a flight from Irvine to Idaho Falls (average of $60). Flying from Irvine 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 IR9 to IDA?

Find hourly flight availability from Irvine 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 18, 2025.

A simple way to save on the total cost of your ticket is to fly from Irvine to Idaho Falls at noon. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking a flight in the evening.

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 December 18, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and United Airlines from Irvine to Idaho Falls. 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
11,479 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,479 reviews
Alaska Airlines
8.0
Very good
11,479 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Delta
7.9
Good
8,009 reviews
Alaska Airlines
8.0
Very good
11,479 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
United Airlines
7.4
Good
9,093 reviews
Alaska Airlines
8.0
Very good
11,479 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Related info for your journey

Find useful and relevant information for your journey from Irvine 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 Irvine?

    If you book a flight to Idaho Falls from Irvine, 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. There are 0 flights from Irvine to Fanning Field per day from 4 different airlines.

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

    For as low as $271, Alaska Airlines can have you in Idaho Falls from Irvine in 4h 51m. The distance between Irvine and Idaho Falls is about 744 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Irvine to Idaho Falls (average of $60). Flying from Irvine 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 4 airlines flying from Irvine to Idaho Falls

Discover the top 4 airlines that operate flights from Irvine 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 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$115Average$210FlexibilityNo cancel feeOn-time88%
DeltaCheapest$219Average$421FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$219Average$303FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$300Average$529FlexibilityNo cancel feeOn-time69%

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