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Cheap flights from New York LaGuardia Airport to Idaho Falls from $178

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 10/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from New York LaGuardia Airport to Idaho Falls

Cheap round-trip flights

American Airlines Logo
5:59 am - 12:24 pmLGA-IDA
8h 25m1 stop
American Airlines Logo
12:55 pm - 11:35 pmIDA-LGA
8h 40m1 stop
$417American Airlines
Find Deal
Wed, Oct 15 - Sat, Oct 18
United Airlines Logo
8:00 am - 1:33 pmLGA-IDA
7h 33m1 stop
United Airlines Logo
9:41 am - 7:48 pmIDA-LGA
8h 07m1 stop
$494United Airlines
Find Deal
Sun, Oct 12 - Sat, Oct 18
American Airlines Logo
5:59 am - 12:25 pmLGA-IDA
8h 26m1 stop
American Airlines Logo
12:55 pm - 11:35 pmIDA-LGA
8h 40m1 stop
$505American Airlines
Find Deal
Thu, Oct 16 - Wed, Oct 22
United Airlines Logo
10:00 am - 5:23 pmLGA-IDA
9h 23m1 stop
United Airlines Logo
2:35 pm - 5:29 pmIDA-LGA
24h 54m1 stop
$528United Airlines
Find Deal
Tue, Sep 23 - Tue, Sep 30
United Airlines Logo
8:25 am - 3:11 pmLGA-IDA
8h 46m2 stops
United Airlines Logo
2:35 pm - 2:06 pmIDA-LGA
21h 31m1 stop
$533United Airlines
Find Deal
Tue, Sep 23 - Tue, Sep 30
United Airlines Logo
6:25 am - 1:33 pmLGA-IDA
9h 08m2 stops
United Airlines Logo
9:41 am - 7:48 pmIDA-LGA
8h 07m1 stop
$544United Airlines
Find Deal
Wed, Oct 15 - Sat, Oct 18
American Airlines Logo
6:00 am - 12:41 pmLGA-IDA
8h 41m1 stop
American Airlines Logo
12:55 pm - 11:35 pmIDA-LGA
8h 40m1 stop
$575American Airlines
Find Deal
Sun, Oct 12 - Sat, Oct 18
Delta Logo
9:00 am - 6:13 pmLGA-IDA
11h 13m2 stops
Delta Logo
6:00 am - 7:43 pmIDA-LGA
11h 43m2 stops
$987Delta
Find Deal
Sat, Oct 11 - Wed, Oct 15
Delta Logo
7:55 am - 6:13 pmLGA-IDA
12h 18m2 stops
Delta Logo
6:00 am - 9:55 pmIDA-LGA
13h 55m2 stops
$1,920Delta
Find Deal
Sun, Oct 12 - Sat, Oct 18
Delta Logo
9:59 am - 10:15 pmLGA-IDA
14h 16m2 stops
Delta Logo
6:00 am - 9:55 pmIDA-LGA
13h 55m2 stops
$2,890Delta
Find Deal
Sun, Oct 12 - Sat, Oct 18

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
Oct 12
LGA8:00 amNew York LaGuardia
7h 33m
1 stop
IDA1:33 pmIdaho Falls Fanning Field
Oct 18
IDA9:41 amIdaho Falls Fanning Field
8h 07m
1 stop
LGA7:48 pmNew York LaGuardia
$494
Find similar
United Airlines
Sep 23
LGA10:00 amNew York LaGuardia
9h 23m
1 stop
IDA5:23 pmIdaho Falls Fanning Field
Sep 30
IDA2:35 pmIdaho Falls Fanning Field
24h 54m
1 stop
LGA5:29 pmNew York LaGuardia
$528
Find similar
United Airlines
Sep 23
LGA8:25 amNew York LaGuardia
8h 46m
2 stops
IDA3:11 pmIdaho Falls Fanning Field
Sep 30
IDA2:35 pmIdaho Falls Fanning Field
21h 31m
1 stop
LGA2:06 pmNew York LaGuardia
$533
Find similar

Delta flights from New York LaGuardia Airport to Idaho Falls

Our best Delta deals on New York LaGuardia Airport to Idaho Falls flight tickets
Delta
Oct 11
LGA9:00 amNew York LaGuardia
11h 13m
2 stops
IDA6:13 pmIdaho Falls Fanning Field
Oct 15
IDA6:00 amIdaho Falls Fanning Field
11h 43m
2 stops
LGA7:43 pmNew York LaGuardia
$987
Find similar
Delta
Oct 12
LGA7:55 amNew York LaGuardia
12h 18m
2 stops
IDA6:13 pmIdaho Falls Fanning Field
Oct 18
IDA6:00 amIdaho Falls Fanning Field
13h 55m
2 stops
LGA9:55 pmNew York LaGuardia
$1,920
Find similar
Delta
Oct 12
LGA9:59 amNew York LaGuardia
14h 16m
2 stops
IDA10:15 pmIdaho Falls Fanning Field
Oct 18
IDA6:00 amIdaho Falls Fanning Field
13h 55m
2 stops
LGA9:55 pmNew York LaGuardia
$2,890
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 September 11, 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

Wed 10/15

5:59 am-12:24 pm

1 stop8h 25m

Idaho Falls Fanning Field

Sat 10/18

12:55 pm-11:35 pm

1 stop8h 40m

$417

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Sun 10/12

8:00 am-1:33 pm

1 stop7h 33m

Idaho Falls Fanning Field

Sat 10/18

9:41 am-7:48 pm

1 stop8h 07m

$494

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Thu 10/16

5:59 am-12:25 pm

1 stop8h 26m

Idaho Falls Fanning Field

Wed 10/22

12:55 pm-11:35 pm

1 stop8h 40m

$505

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Tue 9/23

10:00 am-5:23 pm

1 stop9h 23m

Idaho Falls Fanning Field

Tue 9/30

2:35 pm-5:29 pm

1 stop24h 54m

$528

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Tue 9/23

8:25 am-3:11 pm

2 stops8h 46m

Idaho Falls Fanning Field

Tue 9/30

2:35 pm-2:06 pm

1 stop21h 31m

$533

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Wed 10/15

6:25 am-1:33 pm

2 stops9h 08m

Idaho Falls Fanning Field

Sat 10/18

9:41 am-7:48 pm

1 stop8h 07m

$544

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Sun 10/12

6:00 am-12:41 pm

1 stop8h 41m

Idaho Falls Fanning Field

Sat 10/18

12:55 pm-11:35 pm

1 stop8h 40m

$575

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Sat 10/11

9:00 am-6:13 pm

2 stops11h 13m

Idaho Falls Fanning Field

Wed 10/15

6:00 am-7:43 pm

2 stops11h 43m

$987

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Sun 10/12

7:55 am-6:13 pm

2 stops12h 18m

Idaho Falls Fanning Field

Sat 10/18

6:00 am-9:55 pm

2 stops13h 55m

$1,920

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Sun 10/12

9:59 am-10:15 pm

2 stops14h 16m

Idaho Falls Fanning Field

Sat 10/18

6:00 am-9:55 pm

2 stops13h 55m

$2,890

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

Direct flights

None
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.
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  • 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 33m.

  • 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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