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Idaho Falls

$261+ 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 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — IDA
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap 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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$423
(United Airlines)

One-way from

$261
(American Airlines)

Popular in

December

Cheapest in

November

Average price

$714
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
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High demand for flights, 2% potential price rise
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Cheapest flight prices on average. 7% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 30, 2025.

This Mytrip deal was found by Cheapflights users on 10/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/253:00 pmLGA - IDA
3 stops27h 03mMultiple Airlines
Wed 12/312:19 pmIDA - LGA
3 stops18h 41mMultiple Airlines
Deal found 10/30$437
This Mytrip deal was found by Cheapflights users on 10/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/267:25 amLGA - IDA
3 stops16h 36mMultiple Airlines
Wed 12/312:19 pmIDA - LGA
3 stops18h 41mMultiple Airlines
Deal found 10/30$509
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/234:48 pmLGA - IDA
1 stop8h 11mUnited Airlines
Mon 1/55:00 amIDA - LGA
2 stops8h 13mUnited Airlines
Deal found 10/29$558
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/234:48 pmLGA - IDA
1 stop8h 11mUnited Airlines
Tue 1/62:40 pmIDA - LGA
1 stop6h 47mUnited Airlines
Deal found 10/29$597
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/257:21 amLGA - IDA
1 stop8h 14mUnited Airlines
Wed 12/37:00 amIDA - LGA
1 stop8h 22mUnited Airlines
Deal found 10/30$632
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 11/76:29 pmLGA - IDA
1 stop17h 19mUnited Airlines
Mon 11/1010:50 amIDA - LGA
1 stop6h 50mUnited Airlines
Deal found 10/29$668
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/266:29 pmLGA - IDA
1 stop21h 06mUnited Airlines
Wed 12/37:00 amIDA - LGA
1 stop10h 41mUnited Airlines
Deal found 10/30$675

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 October 30, 2025.
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

Thu 1/29

7:15 am-1:30 pm

1 stop8h 15m

Idaho Falls Fanning Field

Sun 2/1

2:40 pm-11:27 pm

1 stop6h 47m

$423

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Tue 11/25

3:00 pm-4:03 pm

3 stops27h 03m

Idaho Falls Fanning Field

Wed 12/3

12:19 pm-9:00 am

3 stops18h 41m

$437

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Thu 1/15

7:29 pm-1:30 pm

2 stops20h 01m

Idaho Falls Fanning Field

Sun 1/18

2:40 pm-11:27 pm

1 stop6h 47m

$490

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Tue 3/10

3:10 pm-9:09 pm

1 stop7h 59m

Idaho Falls Fanning Field

Wed 3/11

2:35 pm-11:28 pm

1 stop6h 53m

$518

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Tue 3/10

11:00 am-10:21 pm

2 stops13h 21m

Idaho Falls Fanning Field

Wed 3/11

1:05 pm-8:46 am

2 stops17h 41m

$530

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Sun 11/23

6:00 am-3:16 pm

2 stops11h 16m

$261

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Fri 11/14

6:00 am-1:28 pm

1 stop9h 28m

$261

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Tue 12/23

4:48 pm-10:59 pm

1 stop8h 11m

$305

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Sun 11/23

1:30 pm-10:34 pm

2 stops11h 04m

$315

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Compare providers for flights from LaGuardia to Idaho Falls

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from LaGuardia to Idaho Falls in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on New York LaGuardia Airport-Idaho Falls flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on New York LaGuardia Airport-Idaho Falls flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 $300). Flying from New York LaGuardia Airport to Idaho Falls in January is currently the most expensive (average of $962). 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 8h 15m. Fly via United Airlines to get the fastest option. The distance from New York LaGuardia Airport to Idaho Falls is about 1947 mi.

  • 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 $300). Flying from New York LaGuardia Airport to Idaho Falls in January is currently the most expensive (average of $962). 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?

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Rexburg

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