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Idaho Falls

$164+ Cheap flights to Idaho Falls

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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
— IDA
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Flights to Idaho Falls in 2025

Find the latest flights to Idaho Falls in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 2,558,603 searches and data was last updated on September 11, 2025.

Popular in

December

Cheapest in

November

Average price

$771

Round-trip from

$355

One-way from

$164
Highest demand for flights based on searches. 0% potential increase in price.
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Cheapest flight prices on average. 5% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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From New York to Idaho Falls Fanning Field
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One-way flight from New York to Idaho Falls Fanning Field (IDA)
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Find flight deals to Idaho Falls

Cheapest flights to Idaho Falls
Explore the most affordable flight options available to Idaho Falls. Find the lowest fares based on data from user searches, with prices last updated on September 11, 2025.

Wed 10/155:59 amLGA - IDA
1 stop8h 25mAmerican Airlines
Sat 10/1812:55 pmIDA - LGA
1 stop8h 40mAmerican Airlines
Deal found 9/9$417
Wed 10/156:29 amJFK - IDA
1 stop8h 04mDelta
Sat 10/181:15 pmIDA - JFK
1 stop8h 44mDelta
Deal found 9/9$438
Sun 10/128:00 amLGA - IDA
1 stop7h 33mUnited Airlines
Sat 10/189:41 amIDA - LGA
1 stop8h 07mUnited Airlines
Deal found 9/10$494
Sat 10/117:19 amEWR - IDA
1 stop10h 19mAlaska Airlines
Wed 10/154:15 pmIDA - EWR
2 stops11h 43mAlaska Airlines
Deal found 9/11$496
Thu 10/165:59 amLGA - IDA
1 stop8h 26mAmerican Airlines
Wed 10/2212:55 pmIDA - LGA
1 stop8h 40mAmerican Airlines
Deal found 9/9$505
Sat 10/117:15 amEWR - IDA
1 stop17h 15mDelta
Sat 10/186:00 amIDA - EWR
1 stop15h 55mDelta
Deal found 9/11$515
Fri 9/265:30 pmEWR - IDA
1 stop23h 50mAlaska Airlines
Tue 9/303:57 pmIDA - EWR
1 stop12h 02mAlaska Airlines
Deal found 9/11$522
Tue 9/2310:00 amLGA - IDA
1 stop9h 23mUnited Airlines
Tue 9/302:35 pmIDA - LGA
1 stop24h 54mUnited Airlines
Deal found 9/9$528
Mon 9/2211:59 amEWR - IDA
1 stop7h 16mUnited Airlines
Wed 9/244:15 pmIDA - EWR
1 stop6h 44mUnited Airlines
Deal found 9/10$531
Tue 9/237:29 amJFK - IDA
1 stop17h 10mAlaska Airlines
Tue 9/306:13 amIDA - JFK
1 stop14h 46mAlaska Airlines
Deal found 9/9$533
Sat 10/117:20 amJFK - IDA
1 stop10h 18mAlaska Airlines
Wed 10/154:15 pmIDA - JFK
1 stop13h 05mAlaska Airlines
Deal found 9/11$539
Wed 10/87:20 amJFK - IDA
1 stop10h 18mHawaiian Airlines
Tue 10/146:00 amIDA - JFK
1 stop11h 24mHawaiian Airlines
Deal found 9/9$541

Cheapflights Fare Finder

 
Locate flights to Idaho Falls that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 2,558,603 searches and data was last updated on September 11, 2025.
Use the filters below to find and compare flights to Idaho Falls that are best for you.

Fly from

New York

Route

Depart

Return

Price

New YorkIdaho Falls

JFK - IDA

JFKIDA

New York John F Kennedy Intl

Tue 1/27

11:30 am-10:38 pm

1 stop13h 08m

Idaho Falls Fanning Field

Sun 2/1

8:00 am-10:19 pm

1 stop12h 19m

$355

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Tue 3/3

3:45 pm-10:38 pm

1 stop8h 53m

Idaho Falls Fanning Field

Wed 3/4

8:00 am-7:02 pm

1 stop9h 02m

$420

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Tue 3/3

7:00 am-1:33 pm

1 stop8h 33m

Idaho Falls Fanning Field

Mon 3/9

5:57 pm-5:17 am

1 stop9h 20m

$421

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Tue 3/3

11:50 am-6:15 pm

2 stops8h 25m

Idaho Falls Fanning Field

Wed 3/4

6:45 pm-6:09 am

1 stop9h 24m

$426

New YorkIdaho Falls

JFK - IDA

JFKIDA

New York John F Kennedy Intl

Wed 10/15

6:29 am-12:33 pm

1 stop8h 04m

Idaho Falls Fanning Field

Sat 10/18

1:15 pm-11:59 pm

1 stop8h 44m

$438

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Tue 3/3

7:45 am-1:33 pm

1 stop7h 48m

Idaho Falls Fanning Field

Wed 3/4

2:35 pm-11:16 pm

1 stop6h 41m

$445

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

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Sat 10/11

7:19 am-3:38 pm

1 stop10h 19m

Idaho Falls Fanning Field

Wed 10/15

4:15 pm-5:58 am

2 stops11h 43m

$496

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Tue 3/3

12:00 pm-10:21 pm

2 stops12h 21m

Idaho Falls Fanning Field

Wed 3/4

1:05 pm-8:46 am

2 stops17h 41m

$497

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Sat 1/17

6:25 pm-10:38 pm

1 stop30h 13m

Idaho Falls Fanning Field

Thu 1/22

8:00 am-7:02 pm

1 stop9h 02m

$501

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 47 results
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The best insider tips for flights to Idaho Falls

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Idaho Falls trip
Airlines
American Airlines

American's Main Cabin Extra offers 34"-35" seat pitch, enhancing comfort on longer flights.


American's Flagship Business offers lie-flat seats and 16" HD screens for enhanced comfort.

Read more about American Airlinesby Marisa Garcia
Alaska Airlines

Alaska's Premium Class offers extra legroom and free cocktails, but snacks and meals require purchase.


Alaska Airlines' Saver Fare allows carry-on bags but restricts seat selection and changes.

Read more about Alaska Airlinesby Robert Schrader
Delta

Delta's Comfort Plus offers extra legroom, early boarding, and complimentary drinks.


Delta's free Wi-Fi is available on most domestic flights for SkyMiles members.

Read more about Deltaby Harriet Baskas
United Airlines

United's Economy Plus offers extra legroom seats, ideal for added comfort on longer flights.


United's Basic Economy restricts carry-ons; only personal items allowed unless exceptions apply.

Read more about United Airlinesby Harriet Baskas
Allegiant Air

Allegiant's base fare includes only a personal item; carry-ons and checked bags cost extra.


Allegiant's seat selection costs extra; reserve early to avoid middle seats.

Read more about Allegiant Airby Matt Meltzer
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on American Airlines

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Robert Schrader

Robert Schrader

Expert on Alaska Airlines

Robert Schrader

Robert Schrader

One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Read more
Harriet Baskas

Harriet Baskas

Expert on Delta and United Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Matt Meltzer

Matt Meltzer

Expert on Allegiant Air

Matt Meltzer

Matt Meltzer

Matt Meltzer has been a travel writer for over a decade, covering U.S. domestic locations and hotels for Thrillist, Fifty Grande, Matador Network, Conde Nast Traveler, and other top publications. He's won multiple travel journalism awards from the Society of American Travel Writers and North American Travel Journalists Association, and currently resides in South Florida.

Read more

Best time to book a flight to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls 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 to Idaho Falls

How long is the flight to Idaho Falls?

On average, a flight from New York to Idaho Falls takes 7 hours 10 minutes. Flights to Idaho Falls from other popular cities in USA will vary in length. Below are a few examples of popular routes and their flight times.

What are the most popular airlines that fly to Idaho Falls?

The most popular airline flying from New York to Idaho Falls is United Airlines.

United Airlines
United Airlines
From $182
Delta
Delta
From $118
American Airlines
American Airlines
From $264
Alaska Airlines
Alaska Airlines
From $145

What are the cheapest airlines that fly to Idaho Falls?

The cheapest airline flying from New York to Idaho Falls is United Airlines.

Rainfall in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho Falls ranges from 0.6 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. July is typically the driest time to visit Idaho Falls when rainfall is around 0.6 in.

Temperature in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho Falls. Reviews last updated September 11, 2025.
Read through reviews of airlines servicing the United States, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

FAQs about flying to Idaho Falls

Best Time to Fly to Idaho Falls, ID

Winters in Idaho tend to be very snowy and cold, so unless you are visiting this region to ski or snowboard, it might be best to travel in another season. If you want to avoid the more expensive travel costs that are associated with the school summer holidays between June and August, whilst still being able to enjoy some temperate weather that lets you get out and about in nature, then the autumn months of September and October are a good time to visit Idaho Falls. Idaho Falls is also home to several festivals, from an annual Shakespeare Festival to a yearly June Picnic. So why not have a look to see what is going on and time your visit to coincide with one of these public events.

Getting around Idaho Falls, ID

Public buses, rental cars, and taxis all operate in Idaho Falls, so getting around is easy. There are also several specialised tour buses which will take you on trips to the mountains, the plains, or the Falls. Public buses tend to be run by various companies, so make sure you enquire which companies operate on the routes that you want to take. There are also air links to other parts of the US, such as Utah, with flights leaving several times a day, should you wish to explore even further afield, too.

  • What airport do you fly into for flights to Idaho Falls?

    Idaho Falls Fanning Field (IDA), located 3.8 mi from the city center, is the airport you fly into when you book flights to Idaho Falls.

  • Can I find cheaper flights to Idaho Falls if I am willing to have layovers?

    Yes, flights with layovers are often cheaper than direct flights. Keep an eye out for flight deals to Idaho Falls on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Idaho Falls?

    Based on reviews from Cheapflights users, Allegiant Air is rated the highest out of the airlines that fly to Idaho Falls.

  • What is the cheapest airport to fly to in Idaho Falls?

    Idaho Falls Fanning Field is currently the cheapest airport to fly to in Idaho Falls. One-way flights to Idaho Falls Fanning Field typically cost $41, while round-trip flights cost around $85.

  • How much is a round-trip flight to Idaho Falls?

    A round-trip flight to Idaho Falls will typically cost around $114, however they can be found for as little as $85.

  • Where does the fastest flight to Idaho Falls depart from?

    For those looking to save time traveling to Idaho Falls, Salt Lake City offers the quickest one-way flight (0 hours 55 minutes).

  • Does Idaho Falls Fanning Field have rental cars?

    Yes. Those touching down at Idaho Falls Fanning Field can take advantage of the rental car services offered upon their arrival.

  • Are there hotels close to Idaho Falls Fanning Field?

    Yes. Idaho Falls Fanning Field has hotels nearby for those requiring accommodations. Stunning, Modern Apartment in Great Location is the closest property to Idaho Falls Fanning Field (0.0 mi away from Idaho Falls Fanning Field).

See more FAQs

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