HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Idaho Falls

$410+ Cheap flights from Long Beach to Idaho Falls (LGB - 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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
LGB — IDA
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Long Beach to Idaho Falls with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Long Beach to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Long Beach (LGB) to Idaho Falls (IDA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 16, 2025.

Round-trip from

$869
(Delta)

One-way from

$410
(Delta)

Popular in

December

Cheapest in

April

Average price

$342
From Long Beach Municipal to Idaho Falls Fanning Field
Search Deals
One-way flight from Long Beach Municipal to Idaho Falls Fanning Field
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($101 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Long Beach to Idaho Falls

Cheapest flights from Long Beach to Idaho Falls
Explore the most affordable flight options available from Long Beach to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Delta deal was found by Cheapflights users on 9/14. 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 12/114:50 pmLGB - IDA
1 stop4h 34mDelta
Sat 12/136:00 amIDA - LGB
1 stop7h 15mDelta
Deal found 9/14$869
This Delta deal was found by Cheapflights users on 9/13. 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 9/291:15 pmLGB - IDA
1 stop3h 56mDelta
Fri 10/31:06 pmIDA - LGB
1 stop4h 18mDelta
Deal found 9/13$1,019
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 12/118:40 amLGB - IDA
2 stops30h 47mAlaska Airlines
Sat 12/136:05 amIDA - LGB
2 stops38h 40mAlaska Airlines
Deal found 9/14$1,026
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/195:04 pmLGB - IDA
1 stop4h 21mDelta
Mon 9/226:51 pmIDA - LGB
1 stop3h 45mDelta
Deal found 9/15$1,228
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/75:04 pmLGB - IDA
1 stop4h 11mDelta
Mon 11/106:00 amIDA - LGB
1 stop7h 15mDelta
Deal found 9/15$1,289
This Alaska Airlines deal was found by Cheapflights users on 9/13. 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 9/297:25 amLGB - IDA
2 stops38h 14mAlaska Airlines
Fri 10/33:57 pmIDA - LGB
2 stops53h 40mAlaska Airlines
Deal found 9/13$1,476
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/211:15 pmLGB - IDA
1 stop3h 56mDelta
Thu 9/251:06 pmIDA - LGB
1 stop4h 18mDelta
Deal found 9/15$1,901
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/197:25 amLGB - IDA
2 stops30h 55mAlaska Airlines
Mon 9/226:13 amIDA - LGB
2 stops39h 23mAlaska Airlines
Deal found 9/15$1,987
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/218:55 amLGB - IDA
2 stops53h 25mAlaska Airlines
Thu 9/256:13 amIDA - LGB
2 stops39h 23mAlaska Airlines
Deal found 9/15$2,366

Cheapflights Fare Finder

 
Customize your flight search to find flights from Long Beach 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 September 16, 2025.
Use the filters below to find and compare flights from Long Beach to Idaho Falls that are best for you.

Fly from

Long Beach

Fly to

Idaho Falls

Route

Depart

Return

Price

Long BeachIdaho Falls

LGB - IDA

LGBIDA

Long Beach Municipal

Thu 12/11

4:50 pm-10:24 pm

1 stop4h 34m

Idaho Falls Fanning Field

Sat 12/13

6:00 am-12:15 pm

1 stop7h 15m

$869

Long BeachIdaho Falls

LGB - IDA

LGBIDA

Long Beach Municipal

Mon 9/29

1:15 pm-6:11 pm

1 stop3h 56m

Idaho Falls Fanning Field

Fri 10/3

1:06 pm-4:24 pm

1 stop4h 18m

$1,019

Long BeachIdaho Falls

LGB - IDA

LGBIDA

Long Beach Municipal

Thu 12/11

8:40 am-4:27 pm

2 stops30h 47m

Idaho Falls Fanning Field

Sat 12/13

6:05 am-7:45 pm

2 stops38h 40m

$1,026

Long BeachIdaho Falls

LGB - IDA

LGBIDA

Long Beach Municipal

Fri 11/7

5:04 pm-10:15 pm

1 stop4h 11m

Idaho Falls Fanning Field

Mon 11/10

6:00 am-12:15 pm

1 stop7h 15m

$1,289

Long BeachIdaho Falls

LGB - IDA

LGBIDA

Long Beach Municipal

Mon 9/29

7:25 am-10:39 pm

2 stops38h 14m

Idaho Falls Fanning Field

Fri 10/3

3:57 pm-8:37 pm

2 stops53h 40m

$1,476

Long BeachIdaho Falls

LGB - IDA

LGBIDA

Long Beach Municipal

Mon 9/29

1:15 pm-6:11 pm

1 stop3h 56m

$410

Long BeachIdaho Falls

LGB - IDA

LGBIDA

Long Beach Municipal

Mon 9/29

7:25 am-10:39 pm

2 stops38h 14m

$641

Long BeachIdaho Falls

LGB - IDA

LGBIDA

Long Beach Municipal

Fri 11/7

7:00 am-12:33 pm

1 stop4h 33m

$665

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Best time to book a flight from Long Beach to Idaho Falls

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

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

Currently, October is the cheapest month in which you can book a flight from Long Beach to Idaho Falls (average of $380). Flying from Long Beach 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.

Related info for your journey

Find useful and relevant information for your journey from Long Beach to Idaho Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Long Beach to Idaho Falls?

    A quick flight from Long Beach to Idaho Falls can take about 4h 34m. Delta provides one of the quickest options available for as low as $869. Long Beach and Idaho Falls are separated by a distance of 745 mi. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Long Beach 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 Long Beach to Idaho Falls?

    Currently, October is the cheapest month in which you can book a flight from Long Beach to Idaho Falls (average of $380). Flying from Long Beach 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 Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Long Beach to Idaho Falls

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Boise flights
Santa Ana to Boise flights
San Diego to Boise flights
Sacramento to Boise flights
Los Angeles to Spokane flights
San Francisco to Jackson flights
San Francisco to Spokane flights
Los Angeles to Jackson flights
San Jose to Boise flights
Burbank to Boise flights
San Diego to Spokane flights
San Francisco to Boise flights
Ontario to Boise flights
Las Vegas to Boise flights
Ontario to Spokane flights
San Francisco to Hailey flights
Santa Ana to Spokane flights
Las Vegas to Spokane flights
Sacramento to Spokane flights
Oakland to Boise flights
Santa Ana to Idaho Falls flights
Fresno to Boise flights
San Diego to Jackson flights
San Jose to Spokane flights
Ontario to Jackson flights
Oakland to Spokane flights
Los Angeles to Idaho Falls flights
Los Angeles to Hailey flights
San Jose to Jackson flights
Long Beach to Boise flights
Burbank to Spokane flights
Sacramento to Jackson flights
San Diego to Idaho Falls flights
San Luis Obispo to Spokane flights
Santa Rosa to Boise flights
Santa Rosa to Spokane flights
Ontario to Idaho Falls flights
Palm Springs to Spokane flights
Reno to Boise flights
Palm Springs to Boise flights
Santa Barbara to Spokane flights
San Francisco to Idaho Falls flights
San Luis Obispo to Boise flights
Medford to Boise flights
San Diego to Hailey flights
Sacramento to Idaho Falls flights
Bakersfield to Boise flights
Burbank to Jackson flights
Santa Ana to Jackson flights
Burbank to Idaho Falls flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.