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Idaho Falls

$225+ 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — IDA
Mar 8 — Mar 151
Sun 3/8
Sun 3/15
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 February 6, 2026.

This Delta deal was found by Cheapflights users on 2/5. 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 4/168:06 am
LGA
-
IDA
2 stops12h 11m
Delta
Sat 4/255:47 am
IDA
-
LGA
2 stops11h 18m
Delta
Deal found 2/5$388
This American Airlines deal was found by Cheapflights users on 2/3. 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 4/211:30 pm
LGA
-
IDA
2 stops12h 09m
American Airlines
Tue 4/281:43 pm
IDA
-
LGA
1 stop8h 09m
American Airlines
Deal found 2/3$393
This American Airlines deal was found by Cheapflights users on 2/6. 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 5/286:29 am
LGA
-
IDA
1 stop8h 44m
American Airlines
Mon 6/112:41 pm
IDA
-
LGA
1 stop8h 44m
American Airlines
Deal found 2/6$394
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Thu 6/117:25 am
LGA
-
IDA
1 stop7h 59m
United Airlines
Tue 6/162:31 pm
IDA
-
LGA
1 stop6h 54m
United Airlines
Deal found 2/3$414
This Delta deal was found by Cheapflights users on 2/4. 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 8/222:55 pm
LGA
-
IDA
2 stops9h 19m
Delta
Tue 8/256:50 pm
IDA
-
LGA
2 stops11h 56m
Delta
Deal found 2/4$421
This American Airlines deal was found by Cheapflights users on 2/4. 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.
Wed 8/126:30 am
LGA
-
IDA
1 stop7h 46m
American Airlines
Thu 8/2012:46 pm
IDA
-
LGA
1 stop8h 58m
American Airlines
Deal found 2/4$424
This United Airlines deal was found by Cheapflights users on 2/2. 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 2/284:55 pm
LGA
-
IDA
1 stop18h 53m
United Airlines
Wed 3/42:40 pm
IDA
-
LGA
1 stop6h 50m
United Airlines
Deal found 2/2$427
This Delta deal was found by Cheapflights users on 2/4. 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.
Tue 8/186:00 pm
LGA
-
IDA
2 stops18h 39m
Delta
Tue 8/256:50 pm
IDA
-
LGA
2 stops11h 56m
Delta
Deal found 2/4$433
This United Airlines deal was found by Cheapflights users on 2/6. 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 2/217:15 am
LGA
-
IDA
1 stop8h 15m
United Airlines
Wed 2/2510:45 am
IDA
-
LGA
1 stop8h 44m
United Airlines
Deal found 2/6$449

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 February 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$388
(Delta)

One-way from

$225
(United Airlines)

Popular in

March

Cheapest in

November

Average price

$577
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
Search Deals
One-way flight from New York LaGuardia to Idaho Falls Fanning Field
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($74 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($23 potential savings vs. average RT price).
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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 February 6, 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

Tue 4/21

7:00 am-1:13 pm

1 stop8h 13m

Idaho Falls Fanning Field

Tue 4/28

1:43 pm-11:52 pm

1 stop8h 09m

$388

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Sat 2/28

4:55 pm-9:48 am

1 stop18h 53m

Idaho Falls Fanning Field

Wed 3/4

2:40 pm-11:30 pm

1 stop6h 50m

$427

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Sat 2/21

7:15 am-1:30 pm

1 stop8h 15m

Idaho Falls Fanning Field

Wed 2/25

10:45 am-9:29 pm

1 stop8h 44m

$449

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Sat 4/18

7:10 am-4:14 pm

2 stops11h 04m

Idaho Falls Fanning Field

Mon 4/27

2:30 pm-11:22 pm

1 stop6h 52m

$468

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Wed 4/22

7:00 am-1:13 pm

1 stop8h 13m

Idaho Falls Fanning Field

Tue 4/28

1:43 pm-11:52 pm

1 stop8h 09m

$478

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Wed 7/15

7:25 am-1:24 pm

1 stop7h 59m

$225

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Wed 3/4

6:00 am-1:48 pm

1 stop9h 48m

$240

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Wed 2/11

7:15 am-3:31 pm

1 stop10h 16m

$270

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Mon 6/22

6:29 am-1:13 pm

1 stop8h 44m

$290

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Sun 3/15

10:06 pm-9:23 pm

3 stops25h 17m

$292

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

Showing 1-10 of 12 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 $300). 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 8h 13m. Fly via American Airlines or United 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 $300). 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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