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Idaho Falls

$154+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — IDA
Aug 10 — Aug 171
Mon 8/10
Mon 8/17
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 July 11, 2026.

This Delta deal was found by Cheapflights users on 7/8. 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 8/2212:40 pm
LGA
-
IDA
2 stops11h 52m
Delta
Sat 8/297:00 pm
IDA
-
LGA
2 stops12h 12m
Delta
Deal found 7/8$398
This American Airlines deal was found by Cheapflights users on 7/8. 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.
Mon 8/177:30 am
LGA
-
IDA
1 stop8h 20m
American Airlines
Tue 8/252:20 pm
IDA
-
LGA
1 stop7h 25m
American Airlines
Deal found 7/8$435
This American Airlines deal was found by Cheapflights users on 7/11. 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.
Sat 9/57:30 am
LGA
-
IDA
1 stop8h 20m
American Airlines
Fri 9/111:58 pm
IDA
-
LGA
1 stop7h 29m
American Airlines
Deal found 7/11$468
This United Airlines deal was found by Cheapflights users on 7/9. 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 9/1310:00 am
LGA
-
IDA
1 stop7h 23m
United Airlines
Fri 9/182:25 pm
IDA
-
LGA
1 stop6h 59m
United Airlines
Deal found 7/9$473
This American Airlines deal was found by Cheapflights users on 7/10. 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.
Thu 8/277:30 am
LGA
-
IDA
1 stop8h 20m
American Airlines
Mon 8/311:43 pm
IDA
-
LGA
1 stop18h 16m
American Airlines
Deal found 7/10$486
This Delta deal was found by Cheapflights users on 7/7. 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 10/161:59 pm
LGA
-
IDA
2 stops10h 21m
Delta
Mon 10/196:56 pm
IDA
-
LGA
2 stops11h 14m
Delta
Deal found 7/7$489
This United Airlines deal was found by Cheapflights users on 7/9. 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 8/2510:00 am
LGA
-
IDA
1 stop7h 23m
United Airlines
Fri 8/282:25 pm
IDA
-
LGA
1 stop6h 59m
United Airlines
Deal found 7/9$491
This American Airlines deal was found by Cheapflights users on 7/10. 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 12/16:59 am
LGA
-
IDA
1 stop8h 28m
American Airlines
Tue 12/87:15 am
IDA
-
LGA
2 stops10h 45m
American Airlines
Deal found 7/10$492
This American Airlines deal was found by Cheapflights users on 7/9. 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 8/257:16 am
LGA
-
IDA
1 stop7h 53m
American Airlines
Tue 9/112:06 pm
IDA
-
LGA
2 stops9h 38m
American Airlines
Deal found 7/9$498
This American Airlines deal was found by Cheapflights users on 7/9. 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.
Sat 8/229:46 pm
LGA
-
IDA
1 stop17h 23m
American Airlines
Sat 8/291:43 pm
IDA
-
LGA
1 stop6h 34m
American Airlines
Deal found 7/9$503
This American Airlines deal was found by Cheapflights users on 7/7. 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 10/167:00 am
LGA
-
IDA
1 stop8h 09m
American Airlines
Mon 10/191:50 pm
IDA
-
LGA
1 stop17h 28m
American Airlines
Deal found 7/7$508

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 July 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$393
(American Airlines)

One-way from

$154
(Delta)

Popular in

October

Cheapest in

September

Average price

$633
Provider with most accurate pricing for New York LaGuardia-Idaho Falls Fanning Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York LaGuardia-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. 9% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 11, 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

Sat 8/22

12:40 pm-10:32 pm

2 stops11h 52m

Idaho Falls Fanning Field

Sat 8/29

7:00 pm-9:12 am

2 stops12h 12m

$398

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Thu 8/27

7:30 am-1:50 pm

1 stop8h 20m

Idaho Falls Fanning Field

Mon 8/31

1:43 pm-9:59 am

1 stop18h 16m

$522

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Fri 8/14

1:50 pm-9:20 pm

1 stop9h 30m

Idaho Falls Fanning Field

Sat 8/22

2:20 pm-11:45 pm

1 stop7h 25m

$529
Quickest round-trip

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Tue 8/4

7:40 am-1:25 pm

1 stop7h 45m

Idaho Falls Fanning Field

Wed 8/12

2:25 pm-11:24 pm

1 stop6h 59m

$601

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Mon 8/17

8:27 pm-9:51 am

2 stops15h 24m

Idaho Falls Fanning Field

Fri 8/21

2:25 pm-11:24 pm

1 stop6h 59m

$644

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Thu 8/27

12:59 pm-10:32 pm

2 stops11h 33m

Idaho Falls Fanning Field

Mon 8/31

7:00 pm-8:10 am

2 stops11h 10m

$678

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Fri 8/14

9:27 pm-11:38 am

1 stop16h 11m

Idaho Falls Fanning Field

Sat 8/22

5:53 pm-9:39 am

2 stops13h 46m

$689
Cheapest one-way

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Tue 9/1

7:45 am-3:23 pm

1 stop9h 38m

$199

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Sat 8/29

6:10 am-3:23 pm

2 stops11h 13m

$204

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Tue 8/18

8:05 am-3:23 pm

2 stops9h 18m

$311

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/8

Showing 1-10 of 18 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on New York LaGuardia Airport-Idaho Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on New York LaGuardia Airport-Idaho Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from New York LaGuardia Airport-Idaho Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on New York LaGuardia Airport-Idaho Falls flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for New York LaGuardia Airport-Idaho Falls flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 8h 20m. Fly via Delta or American 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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