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Cheap flights from New York LaGuardia Airport to Idaho Falls from $223

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New York LaGuardia Airport to Idaho Falls departing on 1/13. 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 New York LaGuardia Airport to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:00 am - 1:37 pm
LGA
-
IDA
9h 37m1 stop
American Airlines Logo
2:07 pm - 11:34 pm
IDA
-
LGA
7h 27m1 stop
$355American Airlines
Thu, Jan 29 - Mon, Feb 2
Multiple Airlines Logo
5:45 am - 3:31 pm
LGA
-
IDA
11h 46m2 stops
Multiple Airlines Logo
10:31 pm - 11:55 pm
IDA
-
LGA
23h 24m2 stops
$365Multiple Airlines
Fri, Feb 20 - Mon, Feb 23
Multiple Airlines Logo
7:59 pm - 3:31 pm
LGA
-
IDA
21h 32m2 stops
Multiple Airlines Logo
10:31 pm - 11:55 pm
IDA
-
LGA
23h 24m2 stops
$371Multiple Airlines
Thu, Feb 19 - Mon, Feb 23
Multiple Airlines Logo
12:59 pm - 2:19 pm
LGA
-
IDA
27h 20m2 stops
Multiple Airlines Logo
9:20 pm - 8:00 pm
IDA
-
LGA
20h 40m3 stops
$381Multiple Airlines
Thu, Jan 29 - Mon, Feb 2
Multiple Airlines Logo
5:45 am - 3:31 pm
LGA
-
IDA
11h 46m2 stops
Multiple Airlines Logo
10:31 pm - 10:38 pm
IDA
-
LGA
22h 07m3 stops
$393Multiple Airlines
Fri, Feb 20 - Mon, Feb 23
Multiple Airlines Logo
7:59 pm - 3:31 pm
LGA
-
IDA
21h 32m2 stops
Multiple Airlines Logo
10:31 pm - 10:38 pm
IDA
-
LGA
22h 07m3 stops
$399Multiple Airlines
Thu, Feb 19 - Mon, Feb 23
Multiple Airlines Logo
9:55 am - 2:19 pm
LGA
-
IDA
30h 24m3 stops
Multiple Airlines Logo
9:20 pm - 10:45 pm
IDA
-
LGA
23h 25m3 stops
$411Multiple Airlines
Thu, Jan 29 - Mon, Feb 2
United Airlines Logo
7:15 am - 1:30 pm
LGA
-
IDA
8h 15m1 stop
United Airlines Logo
2:40 pm - 11:27 pm
IDA
-
LGA
6h 47m1 stop
$414United Airlines
Sun, Jan 18 - Mon, Jan 26
American Airlines Logo
6:00 am - 12:27 pm
LGA
-
IDA
8h 27m1 stop
American Airlines Logo
1:45 pm - 11:29 pm
IDA
-
LGA
7h 44m1 stop
$417American Airlines
Tue, Apr 28 - Sat, May 2
United Airlines Logo
7:15 am - 3:31 pm
LGA
-
IDA
10h 16m2 stops
United Airlines Logo
2:40 pm - 11:27 pm
IDA
-
LGA
6h 47m1 stop
$419United Airlines
Sun, Jan 18 - Mon, Jan 26

United Airlines flights from New York LaGuardia Airport to Idaho Falls

Our best United Airlines deals on New York LaGuardia Airport to Idaho Falls flight tickets
United Airlines
Jan 18
LGA7:15 amNew York LaGuardia
8h 15m
1 stop
IDA1:30 pmIdaho Falls Fanning Field
Jan 26
IDA2:40 pmIdaho Falls Fanning Field
6h 47m
1 stop
LGA11:27 pmNew York LaGuardia
$414
Find similar
United Airlines
Jan 18
LGA7:15 amNew York LaGuardia
10h 16m
2 stops
IDA3:31 pmIdaho Falls Fanning Field
Jan 26
IDA2:40 pmIdaho Falls Fanning Field
6h 47m
1 stop
LGA11:27 pmNew York LaGuardia
$419
Find similar
United Airlines
Apr 25
LGA10:05 amNew York LaGuardia
7h 32m
1 stop
IDA3:37 pmIdaho Falls Fanning Field
Apr 29
IDA2:35 pmIdaho Falls Fanning Field
6h 41m
1 stop
LGA11:16 pmNew York LaGuardia
$445
Find similar

American Airlines flights from New York LaGuardia Airport to Idaho Falls

Our best American Airlines deals on New York LaGuardia Airport to Idaho Falls flight tickets
American Airlines
Apr 28
LGA6:00 amNew York LaGuardia
8h 27m
1 stop
IDA12:27 pmIdaho Falls Fanning Field
May 2
IDA1:45 pmIdaho Falls Fanning Field
7h 44m
1 stop
LGA11:29 pmNew York LaGuardia
$417
Find similar
American Airlines
Apr 25
LGA6:00 amNew York LaGuardia
8h 27m
1 stop
IDA12:27 pmIdaho Falls Fanning Field
Apr 28
IDA8:24 amIdaho Falls Fanning Field
11h 36m
2 stops
LGA10:00 pmNew York LaGuardia
$422
Find similar
American Airlines
Apr 25
LGA10:00 amNew York LaGuardia
13h 56m
2 stops
IDA9:56 pmIdaho Falls Fanning Field
Apr 28
IDA8:24 amIdaho Falls Fanning Field
11h 19m
2 stops
LGA9:43 pmNew York LaGuardia
$448
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from New York LaGuardia Airport 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, momondo users made 832,500 searches. Data last updated December 15, 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

Fly to

Route

Depart

Return

Price

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Thu 1/29

6:00 am-1:37 pm

1 stop9h 37m

Idaho Falls Fanning Field

Mon 2/2

2:07 pm-11:34 pm

1 stop7h 27m

$355

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Fri 2/20

5:45 am-3:31 pm

2 stops11h 46m

Idaho Falls Fanning Field

Mon 2/23

10:31 pm-11:55 pm

2 stops23h 24m

$365

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Thu 2/19

7:59 pm-3:31 pm

2 stops21h 32m

Idaho Falls Fanning Field

Mon 2/23

10:31 pm-11:55 pm

2 stops23h 24m

$371

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Thu 1/29

12:59 pm-2:19 pm

2 stops27h 20m

Idaho Falls Fanning Field

Mon 2/2

9:20 pm-8:00 pm

3 stops20h 40m

$381

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Fri 2/20

5:45 am-3:31 pm

2 stops11h 46m

Idaho Falls Fanning Field

Mon 2/23

10:31 pm-10:38 pm

3 stops22h 07m

$393

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Thu 2/19

7:59 pm-3:31 pm

2 stops21h 32m

Idaho Falls Fanning Field

Mon 2/23

10:31 pm-10:38 pm

3 stops22h 07m

$399

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Thu 1/29

9:55 am-2:19 pm

3 stops30h 24m

Idaho Falls Fanning Field

Mon 2/2

9:20 pm-10:45 pm

3 stops23h 25m

$411

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Sun 1/18

7:15 am-1:30 pm

1 stop8h 15m

Idaho Falls Fanning Field

Mon 1/26

2:40 pm-11:27 pm

1 stop6h 47m

$414

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Tue 4/28

6:00 am-12:27 pm

1 stop8h 27m

Idaho Falls Fanning Field

Sat 5/2

1:45 pm-11:29 pm

1 stop7h 44m

$417

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Sun 1/18

7:15 am-3:31 pm

2 stops10h 16m

Idaho Falls Fanning Field

Mon 1/26

2:40 pm-11:27 pm

1 stop6h 47m

$419

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Idaho Falls from

How to get the cheapest flight ticket from New York LaGuardia Airport to Idaho Falls

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 Idaho Falls?

Our data shows that Tuesday is the least expensive day to fly to Idaho Falls. Tickets to fly out on this day can be as low as $567. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Idaho Falls on Sunday is $877.

What is the cheapest time of day to depart on your flight to Idaho Falls?

Our most recent data shows that the best time of day to fly to Idaho Falls is in the afternoon. Flights from New York LaGuardia Airport to Idaho Falls during this time can be as low as $655. Try not to purchase tickets in the morning because they tend to be around $783. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

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

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

Fastest flight time

7h 32m

Direct flights

None
The fastest flight from New York LaGuardia Airport to Idaho Falls takes 7h 32m
There are no direct flights from New York LaGuardia Airport to Idaho Falls. There are no popular flight routes from New York LaGuardia Airport to Idaho Falls.
Search flight deals

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

    A flight from New York LaGuardia to Idaho Falls Fanning Field will travel around 1946.0 mi. By plane, this route typically takes 7h 32m.

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

    Prices for flights from New York LaGuardia Airport to Idaho Falls Fanning Field Airport were last updated today.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from New York LaGuardia Airport to Idaho Falls Fanning Field Airport.

  • What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

    The required travel and health documents for your Idaho Falls Fanning Field Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Idaho Falls Fanning Field Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

Why use momondo?

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

It is quick and easy to find New York to Idaho Falls flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Idaho Falls that suits you.

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

Yes. momondo enables you to select and highlight flights to Idaho Falls from New York with this policy.

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

Once you have performed a search for New York to Idaho Falls flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for New York to Idaho Falls flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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