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Idaho Falls

$101+ 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — IDA
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/26. 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 2/269:16 pm
LAX
-
IDA
1 stop17h 14m
Multiple Airlines
Sun 3/17:12 pm
IDA
-
LAX
1 stop12h 54m
Multiple Airlines
Deal found 1/26$226
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 2/124:07 pm
LAX
-
IDA
1 stop22h 24m
Multiple Airlines
Mon 2/1610:31 pm
IDA
-
LAX
1 stop10h 44m
Multiple Airlines
Deal found 1/28$231
This Alaska Airlines deal was found by Cheapflights users on 1/26. 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.
Thu 2/264:00 pm
LAX
-
IDA
1 stop6h 36m
Alaska Airlines
Mon 3/25:20 pm
IDA
-
LAX
1 stop7h 39m
Alaska Airlines
Deal found 1/26$261
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Fri 2/139:12 am
LAX
-
IDA
1 stop5h 19m
Multiple Airlines
Sun 2/157:14 pm
IDA
-
LAX
1 stop12h 52m
Multiple Airlines
Deal found 1/28$283
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/13:10 pm
LAX
-
IDA
1 stop6h 29m
Alaska Airlines
Tue 9/154:00 pm
IDA
-
LAX
1 stop5h 11m
Alaska Airlines
Deal found 1/27$296
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/53:10 pm
LAX
-
IDA
1 stop6h 29m
Alaska Airlines
Tue 9/156:15 am
IDA
-
LAX
1 stop7h 27m
Alaska Airlines
Deal found 1/27$300
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/209:12 am
LAX
-
IDA
1 stop5h 19m
Multiple Airlines
Sun 2/227:14 pm
IDA
-
LAX
1 stop12h 52m
Multiple Airlines
Deal found 1/27$302
This Delta deal was found by Cheapflights users on 1/27. 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.
Tue 9/15:55 am
LAX
-
IDA
1 stop3h 44m
Delta
Sat 9/126:50 pm
IDA
-
LAX
1 stop4h 05m
Delta
Deal found 1/27$330

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$226
(Kiwi.com)

One-way from

$101
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$444
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. 16% potential increase in price ($82 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 29, 2026.
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

Thu 2/26

9:16 pm-3:30 pm

1 stop17h 14m

Idaho Falls Fanning Field

Sun 3/1

7:12 pm-7:06 am

1 stop12h 54m

$226

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Thu 5/28

1:38 pm-10:45 pm

1 stop8h 07m

Idaho Falls Fanning Field

Mon 6/1

6:00 am-11:49 am

1 stop6h 49m

$261

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Thu 2/26

4:00 pm-11:36 pm

1 stop6h 36m

Idaho Falls Fanning Field

Mon 3/2

5:20 pm-11:59 pm

1 stop7h 39m

$261

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Thu 2/12

9:16 pm-3:31 pm

1 stop17h 15m

Idaho Falls Fanning Field

Mon 2/16

10:31 pm-8:15 am

1 stop10h 44m

$293

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Fri 2/20

9:12 am-3:31 pm

1 stop5h 19m

Idaho Falls Fanning Field

Sun 2/22

7:14 pm-7:06 am

1 stop12h 52m

$302

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Thu 2/26

11:00 am-11:36 pm

1 stop11h 36m

Idaho Falls Fanning Field

Sat 2/28

8:00 am-3:36 pm

1 stop8h 36m

$343

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Wed 7/1

5:55 am-10:39 am

1 stop3h 44m

Idaho Falls Fanning Field

Sat 7/4

6:10 am-11:05 am

1 stop5h 55m

$369

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Sat 7/4

5:55 am-10:39 am

1 stop3h 44m

Idaho Falls Fanning Field

Tue 7/7

6:50 pm-11:49 pm

1 stop5h 59m

$369

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Tue 3/3

7:45 am-4:43 pm

1 stop7h 58m

$101

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Sun 3/1

9:09 pm-3:30 pm

1 stop17h 21m

$121

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 18 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 January 29, 2026.

When flying from Irvine to Idaho Falls, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 January 29, 2026.
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
11,808 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,808 reviews
Alaska Airlines
8.0
Very good
11,808 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,127 reviews
Alaska Airlines
8.0
Very good
11,808 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,215 reviews
Alaska Airlines
8.0
Very good
11,808 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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 $261, Alaska Airlines can have you in Idaho Falls from Irvine in 8h 07m. The distance between Irvine and Idaho Falls is about 744 mi.

  • 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$114Average$209FlexibilityNo cancel feeOn-time88%
DeltaCheapest$133Average$392FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$219Average$529FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$240Average$303FlexibilityNo cancel feeOn-time75%

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