£129 Cheap Flights from Newark Liberty Intl. Airport (EWR) to Idaho Falls (IDA)

View £129 flight on Wed, 12 Aug 2026Opens in a new window

Popular airlines from Newark Liberty Intl. Airport (EWR) to Idaho Falls Regional Airport (IDA)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 25% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Newark Liberty Intl. Airport (EWR) to Idaho Falls (IDA)

Prices were available within the past 7 days and start at £129 for one-way flights and £489 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sun, 24 May - Wed, 27 May
EWR
New York
IDA
Idaho Falls
£489 Return, found 4 days ago
£489
Return
found 4 days ago
Select Alaska Airlines flight, departing Sun, 24 May from New York to Idaho Falls, returning Wed, 27 May, priced at £489 found 4 days ago
Alaska Airlines
Sun, 24 May - Wed, 27 May
EWR
New York
IDA
Idaho Falls
£530 Return, found 4 days ago
£530
Return
found 4 days ago
Select Alaska Airlines flight, departing Sun, 24 May from New York to Idaho Falls, returning Wed, 27 May, priced at £530 found 4 days ago
Alaska Airlines
Sun, 7 Jun - Thu, 11 Jun
EWR
New York
IDA
Idaho Falls
£541 Return, found 5 days ago
£541
Return
found 5 days ago
Select Alaska Airlines flight, departing Sun, 7 Jun from New York to Idaho Falls, returning Thu, 11 Jun, priced at £541 found 5 days ago
Alaska Airlines
Sun, 7 Jun - Thu, 11 Jun
EWR
New York
IDA
Idaho Falls
£548 Return, found 5 days ago
£548
Return
found 5 days ago
Select Alaska Airlines flight, departing Sun, 7 Jun from New York to Idaho Falls, returning Thu, 11 Jun, priced at £548 found 5 days ago
Alaska Airlines
Sun, 24 May - Wed, 27 May
EWR
New York
IDA
Idaho Falls
£555 Return, found 4 days ago
£555
Return
found 4 days ago
Select Alaska Airlines flight, departing Sun, 24 May from New York to Idaho Falls, returning Wed, 27 May, priced at £555 found 4 days ago
Alaska Airlines
Sun, 24 May - Wed, 27 May
EWR
New York
IDA
Idaho Falls
£559 Return, found 4 days ago
£559
Return
found 4 days ago
Select Alaska Airlines flight, departing Sun, 24 May from New York to Idaho Falls, returning Wed, 27 May, priced at £559 found 4 days ago
Alaska Airlines
Sun, 7 Jun - Thu, 11 Jun
EWR
New York
IDA
Idaho Falls
£574 Return, found 5 days ago
£574
Return
found 5 days ago
Select Alaska Airlines flight, departing Sun, 7 Jun from New York to Idaho Falls, returning Thu, 11 Jun, priced at £574 found 5 days ago
Alaska Airlines
Sun, 7 Jun - Thu, 11 Jun
EWR
New York
IDA
Idaho Falls
£576 Return, found 5 days ago
£576
Return
found 5 days ago
Select Alaska Airlines flight, departing Sun, 7 Jun from New York to Idaho Falls, returning Thu, 11 Jun, priced at £576 found 5 days ago
Alaska Airlines
Sun, 7 Jun - Thu, 11 Jun
EWR
New York
IDA
Idaho Falls
£581 Return, found 5 days ago
£581
Return
found 5 days ago
Select Alaska Airlines flight, departing Sun, 7 Jun from New York to Idaho Falls, returning Thu, 11 Jun, priced at £581 found 5 days ago
Alaska Airlines
Sun, 24 May - Wed, 27 May
EWR
New York
IDA
Idaho Falls
£584 Return, found 4 days ago
£584
Return
found 4 days ago
Select Alaska Airlines flight, departing Sun, 24 May from New York to Idaho Falls, returning Wed, 27 May, priced at £584 found 4 days ago
Alaska Airlines
Sun, 7 Jun - Thu, 11 Jun
EWR
New York
IDA
Idaho Falls
£589 Return, found 5 days ago
£589
Return
found 5 days ago
Select Alaska Airlines flight, departing Sun, 7 Jun from New York to Idaho Falls, returning Thu, 11 Jun, priced at £589 found 5 days ago

Frequently asked questions

How do I find cheap flights from Newark Liberty Intl. Airport (EWR) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
To find a cheap flight from Newark Liberty Intl. Airport (EWR) to Idaho Falls, ID (IDA-Idaho Falls Regional), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Newark Liberty Intl. Airport (EWR) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Newark Liberty Intl. Airport (EWR) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
There are approximately 48 connecting flights per day from Newark Liberty Intl. Airport (EWR) to Idaho Falls, ID (IDA-Idaho Falls Regional). Some common connection points include Seattle - Tacoma Intl. (SEA), Portland Intl. (PDX), and O'Hare Intl. (ORD).
What is the earliest flight from Newark Liberty Intl. Airport (EWR) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
The earliest flight from Newark Liberty Intl. Airport (EWR) to Idaho Falls, ID (IDA-Idaho Falls Regional) (IDA) typically departs at approximately 5:00 AM local time. This service is operated by American Airlines and is seasonal, active only in July. An early departure like this can help you maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Newark Liberty Intl. Airport (EWR) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
If you're flying from Newark Liberty Intl. Airport (EWR) to Idaho Falls, ID (IDA-Idaho Falls Regional), you'll typically find the most flights on a Thursday, with around 35 options available. This gives you plenty of choices for your travel plans. Major airlines on this route include United Airlines, Alaska Airlines, and Delta Air Lines. Flight options are notably more plentiful on Thursdays compared to other days of the week.
What are the most popular departure times for flights from Newark Liberty Intl. Airport (EWR) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
The most popular departure times for flights from Newark Liberty Intl. Airport (EWR) to Idaho Falls, ID (IDA-Idaho Falls Regional) are in the morning, from 6am to 9am. About 42% of passengers prefer this time window. Many major carriers, including United Airlines, American Airlines and Delta, offer flights during this window. Many travelers prefer these early morning flights as they allow you to arrive at your destination with plenty of time to start your day.
How long does it take to fly from Newark Liberty Intl. Airport (EWR) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
Flights from EWR to IDA with one stop typically take around 7 hours 30 minutes, covering approximately 1,935 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Newark Liberty Intl. Airport (EWR) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
Select the "Business class" and "First class" filters when looking for EWR to IDA flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Newark Liberty Intl. Airport (EWR) to Idaho Falls, ID (IDA-Idaho Falls Regional) flight with Expedia?
It's easy to earn miles on a Newark Liberty Intl. Airport (EWR) to Idaho Falls, ID (IDA-Idaho Falls Regional) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Idaho Falls from Liberty Intl. (EWR)?
From Liberty Intl. (EWR), you can fly into Idaho Falls Regional (IDA) to reach Idaho Falls. Some flights may connect through major hubs like Hartsfield-Jackson Atlanta Intl. (ATL), Los Angeles Intl. (LAX), O'Hare Intl. (ORD) before reaching Idaho Falls. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Newark Liberty Intl. Airport (EWR) to Idaho Falls, ID (IDA-Idaho Falls Regional) at the last minute?
Typically, booking a last minute flight from Newark Liberty Intl. Airport (EWR) to Idaho Falls, ID (IDA-Idaho Falls Regional) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Newark Liberty Intl. Airport (EWR) to Idaho Falls, ID (IDA-Idaho Falls Regional) flight and hotel package?
Securing a Newark Liberty Intl. Airport (EWR) to Idaho Falls, ID (IDA-Idaho Falls Regional) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Newark Liberty Intl. Airport (EWR) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
If you booked your Newark Liberty Intl. Airport (EWR) to Idaho Falls, ID (IDA-Idaho Falls Regional) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Newark Liberty Intl. Airport
Destination airport
Idaho Falls Regional
Return price
£488
Distance
3096 km

Book with confidence

Compare flights from Newark Liberty Intl. Airport to Idaho Falls easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Newark Liberty Intl. Airport to Idaho Falls. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Idaho Falls Regional in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Newark Liberty Intl. Airport to Idaho Falls Regional.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Newark Liberty Intl. Airport (EWR) to Idaho Falls Regional (IDA)

The easiest way to view the best deals on flights from Newark Liberty Intl. Airport to Idaho Falls today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Newark Liberty Intl. Airport to Idaho Falls Regional start at just £489 and range up to £589.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Newark Liberty Intl. Airport and Idaho Falls
  • booking your flight during May, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Newark Liberty Intl. Airport to Idaho Falls flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Newark Liberty Intl. Airport to Idaho Falls Regional for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Newark Liberty Intl. Airport to Idaho Falls easily and book with confidence

Explore a world of travel with Expedia

*Available to Expedia members.