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Idaho Falls

$192+ 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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — IDA
mar. 18 — mar. 251
on. 3/18
on. 3/25
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 februar 16, 2026.

This United Airlines deal was found by Cheapflights users on 2/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
fr. 5/297:40 am
LGA
-
IDA
1 stop7h 45m
United Airlines
ti. 6/22:30 pm
IDA
-
LGA
1 stop7h 00m
United Airlines
Deal found 2/13$323
This United Airlines deal was found by Cheapflights users on 2/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lø. 2/288:05 am
LGA
-
IDA
2 stops10h 25m
United Airlines
on. 3/410:45 am
IDA
-
LGA
1 stop7h 08m
United Airlines
Deal found 2/13$409
This American Airlines deal was found by Cheapflights users on 2/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lø. 2/287:03 am
LGA
-
IDA
1 stop8h 45m
American Airlines
on. 3/42:18 pm
IDA
-
LGA
1 stop7h 25m
American Airlines
Deal found 2/13$419
This United Airlines deal was found by Cheapflights users on 2/16. 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.
ti. 3/33:25 pm
LGA
-
IDA
1 stop7h 33m
United Airlines
lø. 3/76:36 am
IDA
-
LGA
2 stops11h 36m
United Airlines
Deal found 2/16$454
This Delta deal was found by Cheapflights users on 2/13. 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.
fr. 5/292:46 pm
LGA
-
IDA
2 stops9h 56m
Delta
ti. 6/26:54 pm
IDA
-
LGA
2 stops11h 20m
Delta
Deal found 2/13$459
This American Airlines deal was found by Cheapflights users on 2/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
to. 5/287:26 am
LGA
-
IDA
1 stop7h 57m
American Airlines
ma. 6/112:36 pm
IDA
-
LGA
1 stop6h 53m
American Airlines
Deal found 2/16$473
This United Airlines deal was found by Cheapflights users on 2/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sø. 3/16:10 am
LGA
-
IDA
2 stops9h 20m
United Airlines
to. 3/56:36 am
IDA
-
LGA
1 stop8h 38m
United Airlines
Deal found 2/14$499

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 februar 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$323
(United Airlines)

One-way from

$192
(Kiwi.com)

Popular in

March

Cheapest in

December

Average price

$475
Provider with most accurate pricing for New York LaGuardia-Idaho Falls Fanning Field flight deals.
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Provider most trusted by Cheapflights users for New York LaGuardia-Idaho Falls Fanning Field flights.
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From New York LaGuardia to Idaho Falls Fanning Field
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One-way flight from New York LaGuardia to Idaho Falls Fanning Field
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 februar 16, 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

LaGuardia

Fly to

Idaho Falls

Route

Depart

Return

Price

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

fr. 5/29

7:40 am-1:25 pm

1 stop7h 45m

Idaho Falls Fanning Field

ti. 6/2

2:30 pm-11:30 pm

1 stop7h 00m

$323

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

lø. 2/28

8:05 am-4:30 pm

2 stops10h 25m

Idaho Falls Fanning Field

on. 3/4

10:45 am-7:53 pm

1 stop7h 08m

$409

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

lø. 2/28

7:03 am-1:48 pm

1 stop8h 45m

Idaho Falls Fanning Field

on. 3/4

2:18 pm-11:43 pm

1 stop7h 25m

$419

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

ti. 3/3

6:00 am-1:48 pm

1 stop9h 48m

Idaho Falls Fanning Field

lø. 3/7

2:18 pm-11:43 pm

1 stop7h 25m

$419

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

ti. 3/3

3:25 pm-8:58 pm

1 stop7h 33m

Idaho Falls Fanning Field

lø. 3/7

6:36 am-8:12 pm

2 stops11h 36m

$454

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

fr. 5/29

2:46 pm-10:42 pm

2 stops9h 56m

Idaho Falls Fanning Field

ti. 6/2

6:54 pm-8:14 am

2 stops11h 20m

$459

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

to. 4/9

10:00 pm-5:51 pm

2 stops45h 51m

$225

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

on. 8/12

5:45 am-12:10 pm

1 stop8h 25m

$237

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

to. 4/9

7:00 am-1:13 pm

1 stop8h 13m

$237

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

on. 3/11

6:00 am-1:48 pm

1 stop9h 48m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/12

Showing 1-10 of 15 results
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.

Cheapflights Insights

Everything you need to know about your flight from New York LaGuardia Airport to Idaho Falls

What is the cheapest month to book a flight from New York LaGuardia Airport to Idaho Falls?

Currently, March is the cheapest month in which you can book a flight from New York LaGuardia Airport to Idaho Falls (average of $286). Flying from New York LaGuardia Airport to Idaho Falls in November is currently the most expensive (average of $1,153). 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 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 45m. Fly via United Airlines 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.

  • What is the cheapest month to book a flight from New York LaGuardia Airport to Idaho Falls?

    Currently, March is the cheapest month in which you can book a flight from New York LaGuardia Airport to Idaho Falls (average of $286). Flying from New York LaGuardia Airport to Idaho Falls in November is currently the most expensive (average of $1,153). 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

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