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Cheap flights from Idaho Falls to New York from $136

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to New York departing on 1/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Idaho Falls to New York

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:35 pm - 8:48 am
IDA
-
LGA
12h 13m2 stops
Delta Logo
1:05 pm - 10:57 pm
LGA
-
IDA
11h 52m2 stops
$334Delta
Mon, Jan 12 - Tue, Jan 20
United Airlines Logo
2:40 pm - 11:27 pm
IDA
-
LGA
6h 47m1 stop
United Airlines Logo
3:29 pm - 9:14 pm
LGA
-
IDA
7h 45m1 stop
$415United Airlines
Mon, Jan 12 - Tue, Jan 20
United Airlines Logo
2:40 pm - 11:27 pm
IDA
-
LGA
6h 47m1 stop
United Airlines Logo
6:15 am - 1:30 pm
LGA
-
IDA
9h 15m2 stops
$420United Airlines
Mon, Jan 12 - Tue, Jan 20
United Airlines Logo
6:40 am - 3:43 pm
IDA
-
LGA
7h 03m1 stop
United Airlines Logo
7:17 am - 3:22 pm
LGA
-
IDA
10h 05m1 stop
$493United Airlines
Thu, Dec 25 - Wed, Dec 31
United Airlines Logo
5:00 am - 1:52 pm
IDA
-
LGA
6h 52m1 stop
United Airlines Logo
6:00 am - 3:22 pm
LGA
-
IDA
11h 22m2 stops
$496United Airlines
Thu, Dec 25 - Wed, Dec 31
United Airlines Logo
2:35 pm - 11:16 pm
IDA
-
LGA
6h 41m1 stop
United Airlines Logo
7:00 am - 1:24 pm
LGA
-
IDA
8h 24m1 stop
$498United Airlines
Wed, Apr 8 - Mon, Apr 13
United Airlines Logo
5:00 am - 5:13 pm
IDA
-
LGA
10h 13m2 stops
United Airlines Logo
2:50 pm - 10:59 pm
LGA
-
IDA
10h 09m2 stops
$506United Airlines
Thu, Dec 25 - Wed, Dec 31
United Airlines Logo
2:35 pm - 11:16 pm
IDA
-
LGA
6h 41m1 stop
United Airlines Logo
11:00 am - 9:06 pm
LGA
-
IDA
12h 06m2 stops
$532United Airlines
Wed, Apr 8 - Mon, Apr 13
United Airlines Logo
10:50 am - 11:22 pm
IDA
-
LGA
10h 32m2 stops
United Airlines Logo
7:00 am - 1:24 pm
LGA
-
IDA
8h 24m1 stop
$585United Airlines
Wed, Apr 8 - Mon, Apr 13
Delta Logo
6:59 pm - 9:42 am
IDA
-
LGA
12h 43m2 stops
Delta Logo
12:55 pm - 10:14 pm
LGA
-
IDA
11h 19m2 stops
$695Delta
Wed, Apr 8 - Mon, Apr 13

American Airlines flights from Idaho Falls to New York LaGuardia Airport

Our best American Airlines deals on Idaho Falls to New York LaGuardia Airport flight tickets
American Airlines
Mar 21
IDA2:18 pmIdaho Falls Fanning Field
7h 25m
1 stop
LGA11:43 pmNew York LaGuardia
Mar 28
LGA6:00 amNew York LaGuardia
9h 48m
1 stop
IDA1:48 pmIdaho Falls Fanning Field
$849
Find similar
American Airlines
Mar 21
IDA6:20 amIdaho Falls Fanning Field
11h 09m
2 stops
LGA7:29 pmNew York LaGuardia
Mar 28
LGA7:00 amNew York LaGuardia
8h 48m
1 stop
IDA1:48 pmIdaho Falls Fanning Field
$931
Find similar
American Airlines
Dec 12
IDA7:00 amIdaho Falls Fanning Field
12h 59m
2 stops
LGA9:59 pmNew York LaGuardia
Dec 17
LGA1:25 pmNew York LaGuardia
11h 11m
2 stops
IDA10:36 pmIdaho Falls Fanning Field
$1,196
Find similar

United Airlines flights from Idaho Falls to New York LaGuardia Airport

Our best United Airlines deals on Idaho Falls to New York LaGuardia Airport flight tickets
United Airlines
Jan 12
IDA2:40 pmIdaho Falls Fanning Field
6h 47m
1 stop
LGA11:27 pmNew York LaGuardia
Jan 20
LGA3:29 pmNew York LaGuardia
7h 45m
1 stop
IDA9:14 pmIdaho Falls Fanning Field
$415
Find similar
United Airlines
Jan 12
IDA2:40 pmIdaho Falls Fanning Field
6h 47m
1 stop
LGA11:27 pmNew York LaGuardia
Jan 20
LGA6:15 amNew York LaGuardia
9h 15m
2 stops
IDA1:30 pmIdaho Falls Fanning Field
$420
Find similar
United Airlines
Dec 25
IDA6:40 amIdaho Falls Fanning Field
7h 03m
1 stop
LGA3:43 pmNew York LaGuardia
Dec 31
LGA7:17 amNew York LaGuardia
10h 05m
1 stop
IDA3:22 pmIdaho Falls Fanning Field
$493
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Idaho Falls to New York LaGuardia Airport 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, momondo users made 832,500 searches. Data last updated December 11, 2025.
Use the filters below to find and compare flights from Idaho Falls to New York LaGuardia Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Idaho FallsNew York

IDA - LGA

IDALGA

Idaho Falls Fanning Field

Mon 1/12

6:35 pm-8:48 am

2 stops12h 13m

New York LaGuardia

Tue 1/20

1:05 pm-10:57 pm

2 stops11h 52m

$334

Idaho FallsNew York

IDA - LGA

IDALGA

Idaho Falls Fanning Field

Mon 1/12

2:40 pm-11:27 pm

1 stop6h 47m

New York LaGuardia

Tue 1/20

3:29 pm-9:14 pm

1 stop7h 45m

$415

Idaho FallsNew York

IDA - LGA

IDALGA

Idaho Falls Fanning Field

Mon 1/12

2:40 pm-11:27 pm

1 stop6h 47m

New York LaGuardia

Tue 1/20

6:15 am-1:30 pm

2 stops9h 15m

$420

Idaho FallsNew York

IDA - LGA

IDALGA

Idaho Falls Fanning Field

Thu 12/25

6:40 am-3:43 pm

1 stop7h 03m

New York LaGuardia

Wed 12/31

7:17 am-3:22 pm

1 stop10h 05m

$493

Idaho FallsNew York

IDA - LGA

IDALGA

Idaho Falls Fanning Field

Thu 12/25

5:00 am-1:52 pm

1 stop6h 52m

New York LaGuardia

Wed 12/31

6:00 am-3:22 pm

2 stops11h 22m

$496

Idaho FallsNew York

IDA - LGA

IDALGA

Idaho Falls Fanning Field

Wed 4/8

2:35 pm-11:16 pm

1 stop6h 41m

New York LaGuardia

Mon 4/13

7:00 am-1:24 pm

1 stop8h 24m

$498

Idaho FallsNew York

IDA - LGA

IDALGA

Idaho Falls Fanning Field

Thu 12/25

5:00 am-5:13 pm

2 stops10h 13m

New York LaGuardia

Wed 12/31

2:50 pm-10:59 pm

2 stops10h 09m

$506

Idaho FallsNew York

IDA - LGA

IDALGA

Idaho Falls Fanning Field

Wed 4/8

2:35 pm-11:16 pm

1 stop6h 41m

New York LaGuardia

Mon 4/13

11:00 am-9:06 pm

2 stops12h 06m

$532

Idaho FallsNew York

IDA - LGA

IDALGA

Idaho Falls Fanning Field

Wed 4/8

10:50 am-11:22 pm

2 stops10h 32m

New York LaGuardia

Mon 4/13

7:00 am-1:24 pm

1 stop8h 24m

$585

Idaho FallsNew York

IDA - LGA

IDALGA

Idaho Falls Fanning Field

Wed 4/8

6:59 pm-9:42 am

2 stops12h 43m

New York LaGuardia

Mon 4/13

12:55 pm-10:14 pm

2 stops11h 19m

$695

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Idaho Falls to New York LaGuardia Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to New York LaGuardia Airport?

The cheapest day to depart on your flight to New York LaGuardia Airport is on a Tuesday when prices can be found for as low as $520. This is often the case because there is less demand to fly during this day of the week. Flights from Idaho Falls to New York LaGuardia Airport on a Friday will generally be more expensive and average around $744. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

When to book flights from Idaho Falls to New York LaGuardia Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Idaho Falls to New York LaGuardia Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Idaho Falls to New York LaGuardia Airport (IDA to LGA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho Falls to New York LaGuardia Airport

Fastest flight time

6h 41m

Direct flights

None
The fastest flight from Idaho Falls to New York LaGuardia Airport takes 6h 41m
There are no direct flights from Idaho Falls to New York LaGuardia Airport. There are no popular flight routes from Idaho Falls to New York LaGuardia Airport.
Search flight deals

  • How far is Idaho Falls Fanning Field to New York LaGuardia by plane?

    The straight-line distance from Idaho Falls Fanning Field to New York LaGuardia is 1946.0 mi. By plane, this route typically takes 6h 41m.

  • When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to New York LaGuardia Airport?

    Prices for flights from Idaho Falls Fanning Field Airport to New York LaGuardia Airport are updated daily.

  • How old do you have to be to fly from Idaho Falls Fanning Field Airport to New York LaGuardia Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Idaho Falls Fanning Field Airport to New York LaGuardia Airport.

  • What documentation or ID do you need to fly to New York LaGuardia Airport?

    The necessary travel and health documents for your New York LaGuardia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near New York?

Book flights to New York if you plan to visit one of these locations
Seaside Heights
Queens
Bronx
Yonkers
Asbury Park
East Rutherford
Point Pleasant Beach
Beach Haven
Spring Lake
Long Branch
Tannersville
Wayne
Stamford
Secaucus
East Stroudsburg
Elizabeth
Ocean Grove
Parsippany
Staten Island
Pocono Manor

Why use momondo?

Why should I use momondo to find a flight deal from Idaho Falls to New York?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Idaho Falls to New York. momondo saves you time and could save you money on your trip.

Can I find flights from Idaho Falls to New York with flexible booking policies on momondo?

All flight searches from Idaho Falls to New York on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Idaho Falls to New York?

momondo provides multiple filters to help you find the best flight to New York from Idaho Falls. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Idaho Falls to New York right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to New York from Idaho Falls. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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