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Idaho Falls

$254+ Cheap flights from LaGuardia, NY (LGA) 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — IDA
Jun 20 — Jun 271
Sat 6/20
Sat 6/27
1 adult, Economy
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Cheap flight deals from LaGuardia to Idaho Falls

Cheapest flights from LaGuardia to Idaho Falls
Explore the most affordable flight options available from LaGuardia to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 21, 2026.

This Delta deal was found by Cheapflights users on 5/17. 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.
Sat 5/3010:55 am
LGA
-
IDA
2 stops9h 19m
Delta
Wed 6/311:30 am
IDA
-
LGA
2 stops9h 55m
Delta
Deal found 5/17$377
This United Airlines deal was found by Cheapflights users on 5/17. 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.
Wed 11/113:30 pm
LGA
-
IDA
1 stop7h 38m
United Airlines
Sat 11/142:35 pm
IDA
-
LGA
1 stop6h 41m
United Airlines
Deal found 5/17$397
This United Airlines deal was found by Cheapflights users on 5/20. 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 5/248:05 am
LGA
-
IDA
2 stops11h 14m
United Airlines
Wed 5/272:30 pm
IDA
-
LGA
1 stop7h 00m
United Airlines
Deal found 5/20$427
This American Airlines deal was found by Cheapflights users on 5/17. 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.
Tue 7/286:40 am
LGA
-
IDA
1 stop8h 43m
American Airlines
Wed 8/57:00 am
IDA
-
LGA
1 stop9h 26m
American Airlines
Deal found 5/17$435
This United Airlines deal was found by Cheapflights users on 5/17. 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 10/2410:00 am
LGA
-
IDA
1 stop7h 23m
United Airlines
Wed 10/285:00 am
IDA
-
LGA
2 stops10h 09m
United Airlines
Deal found 5/17$452
This Delta deal was found by Cheapflights users on 5/18. 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 5/2812:55 pm
LGA
-
IDA
2 stops11h 47m
Delta
Mon 6/16:54 pm
IDA
-
LGA
2 stops11h 20m
Delta
Deal found 5/18$458
This American Airlines deal was found by Cheapflights users on 5/18. 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 5/223:00 pm
LGA
-
IDA
1 stop9h 15m
American Airlines
Wed 5/272:08 pm
IDA
-
LGA
1 stop7h 31m
American Airlines
Deal found 5/18$487

Find flight deals from LaGuardia to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from LaGuardia (LGA) 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 May 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$397
(United Airlines)

One-way from

$254
(Delta)

Popular in

July

Cheapest in

December

Average price

$640
Provider with most accurate pricing for New York (NYC)-Idaho Falls Fanning Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Idaho Falls Fanning Field flights.
Search Deals
From New York LaGuardia to Idaho Falls Fanning Field
Search Deals
One-way flight from New York LaGuardia to Idaho Falls Fanning Field
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from LaGuardia 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 May 21, 2026.
Use the filters below to find and compare flights from New York LaGuardia Airport to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Thu 5/28

12:55 pm-10:42 pm

2 stops11h 47m

Idaho Falls Fanning Field

Mon 6/1

6:54 pm-8:14 am

2 stops11h 20m

$507

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Wed 7/29

12:55 pm-10:32 pm

2 stops11h 37m

Idaho Falls Fanning Field

Wed 8/12

11:35 am-11:43 pm

2 stops10h 08m

$579
Quickest round-trip

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Sat 7/18

6:10 am-11:45 am

1 stop7h 35m

Idaho Falls Fanning Field

Tue 7/21

2:30 pm-11:30 pm

1 stop7h 00m

$691

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Tue 7/28

2:11 pm-3:37 pm

2 stops27h 26m

Idaho Falls Fanning Field

Tue 8/11

4:14 pm-10:10 am

2 stops15h 56m

$712

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Thu 5/28

7:40 am-1:25 pm

1 stop7h 45m

Idaho Falls Fanning Field

Mon 6/1

10:35 am-9:54 pm

1 stop9h 19m

$712

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Wed 7/29

2:29 pm-10:32 pm

2 stops10h 03m

Idaho Falls Fanning Field

Thu 8/6

6:00 am-7:36 pm

2 stops11h 36m

$727

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Wed 6/10

6:00 am-1:25 pm

2 stops9h 25m

Idaho Falls Fanning Field

Mon 6/15

2:30 pm-11:30 pm

1 stop7h 00m

$736

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Sat 7/4

3:00 pm-10:31 pm

2 stops9h 31m

Idaho Falls Fanning Field

Fri 7/10

7:00 pm-9:39 am

2 stops12h 39m

$739

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Thu 5/28

7:40 am-3:34 pm

1 stop9h 54m

Idaho Falls Fanning Field

Sun 5/31

2:30 pm-9:54 pm

1 stop29h 24m

$781

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Wed 7/1

2:00 pm-10:15 pm

1 stop10h 15m

Idaho Falls Fanning Field

Fri 7/3

7:00 am-5:05 pm

1 stop8h 05m

$788

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/18

Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from LaGuardia to Idaho Falls

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

Related info for your journey

Find useful and relevant information for your journey from LaGuardia 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 New York LaGuardia?

    Idaho Falls Fanning Field (IDA) is the airport you will fly into if you book a flight from New York LaGuardia to Idaho Falls. You should not have trouble finding flights to Fanning Field from New York LaGuardia; the airport handles an average of 0 inbound flights from New York LaGuardia per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Idaho Falls airport from New York LaGuardia. It is only a 3.8 mi journey from Fanning Field (IDA) to Idaho Falls’s city center.

  • How long is the flight from New York LaGuardia Airport to Idaho Falls?

    There are many flights that can get you from New York LaGuardia Airport to Idaho Falls in 7h 35m. Fly via Delta, United Airlines, or Alaska Airlines to get the fastest option. The distance from New York LaGuardia Airport to Idaho Falls is about 1947 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from LaGuardia 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.

See more FAQs

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