£149 Cheap Flights from Newark Liberty Intl. Airport (EWR) to Idaho Falls (IDA)

View £149 flight on Wed, 27 Aug 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at £149 for one-way flights and £420 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Fri, 22 Aug - Tue, 26 Aug
EWR
New York
IDA
Idaho Falls
£420 Return, found 2 days ago
£420
Return
found 2 days ago
Select Alaska Airlines flight, departing Fri, 22 Aug from New York to Idaho Falls, returning Tue, 26 Aug, priced at £420 found 2 days ago
Alaska Airlines
Fri, 22 Aug - Tue, 26 Aug
EWR
New York
IDA
Idaho Falls
£425 Return, found 2 days ago
£425
Return
found 2 days ago
Select Alaska Airlines flight, departing Fri, 22 Aug from New York to Idaho Falls, returning Tue, 26 Aug, priced at £425 found 2 days ago
Alaska Airlines
Tue, 12 May - Sat, 16 May
EWR
New York
IDA
Idaho Falls
£435 Return, found 5 days ago
£435
Return
found 5 days ago
Select Alaska Airlines flight, departing Tue, 12 May from New York to Idaho Falls, returning Sat, 16 May, priced at £435 found 5 days ago
Alaska Airlines
Tue, 12 May - Sat, 16 May
EWR
New York
IDA
Idaho Falls
£463 Return, found 5 days ago
£463
Return
found 5 days ago
Select Alaska Airlines flight, departing Tue, 12 May from New York to Idaho Falls, returning Sat, 16 May, priced at £463 found 5 days ago
Alaska Airlines
Tue, 12 May - Sat, 16 May
EWR
New York
IDA
Idaho Falls
£486 Return, found 5 days ago
£486
Return
found 5 days ago
Select Alaska Airlines flight, departing Tue, 12 May from New York to Idaho Falls, returning Sat, 16 May, priced at £486 found 5 days ago
Alaska Airlines
Fri, 22 Aug - Tue, 26 Aug
EWR
New York
IDA
Idaho Falls
£490 Return, found 2 days ago
£490
Return
found 2 days ago
Select Alaska Airlines flight, departing Fri, 22 Aug from New York to Idaho Falls, returning Tue, 26 Aug, priced at £490 found 2 days ago
Alaska Airlines
Tue, 12 May - Sat, 16 May
EWR
New York
IDA
Idaho Falls
£509 Return, found 5 days ago
£509
Return
found 5 days ago
Select Alaska Airlines flight, departing Tue, 12 May from New York to Idaho Falls, returning Sat, 16 May, priced at £509 found 5 days ago
Alaska Airlines
Tue, 12 May - Sat, 16 May
EWR
New York
IDA
Idaho Falls
£514 Return, found 5 days ago
£514
Return
found 5 days ago
Select Alaska Airlines flight, departing Tue, 12 May from New York to Idaho Falls, returning Sat, 16 May, priced at £514 found 5 days ago
Alaska Airlines
Wed, 27 Aug - Fri, 29 Aug
EWR
New York
IDA
Idaho Falls
£517 Return, found 4 days ago
£517
Return
found 4 days ago
Select Alaska Airlines flight, departing Wed, 27 Aug from New York to Idaho Falls, returning Fri, 29 Aug, priced at £517 found 4 days ago
Alaska Airlines
Fri, 22 Aug - Tue, 26 Aug
EWR
New York
IDA
Idaho Falls
£524 Return, found 2 days ago
£524
Return
found 2 days ago
Select Alaska Airlines flight, departing Fri, 22 Aug from New York to Idaho Falls, returning Tue, 26 Aug, priced at £524 found 2 days ago

Find the cheapest month to fly from New York (EWR) to Idaho Falls (IDA)

February is typically the cheapest month to fly

From £250 - £554 per traveller.

Graph displaying average flight prices per month

Flight from Newark Liberty Intl. Airport to Idaho Falls route information
Origin airport
Newark Liberty Intl. Airport
Destination airport
Idaho Falls Regional
Return price
£420
Distance
3096 km

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 £420 and range up to £524.  

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 August, 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.  

Frequently asked questions

How much is a flight from Liberty Intl. Airport (EWR) to Idaho Falls Regional Airport (IDA)?
Start packing your suitcase, because round-trip journeys between EWR and IDA start from £420. That's based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can change quickly, so book today to nab the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Newark Airport to IDA?
This can differ from airline to airline, as each one has its own terms and conditions. Visit the Customer Service Portal, where there are simple instructions on how to cancel online.
How do I find cheap flights from EWR to IDA that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for EWR to Idaho Falls Regional Airport (IDA) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Newark Airport to IDA?
It's around 3,100 kilometres between Newark and Idaho Falls, so you'll be flying for a while. Keep yourself occupied with things like your e-reader or a gripping book.
Which airlines fly direct from EWR to Idaho Falls Regional Airport (IDA)?
If you want to fly straight from EWR to Idaho Falls Regional Airport, you'll have to book a flight with at least one stop. Unfortunately, there are no airlines that fly directly between these airports.
Are EWR to Idaho Falls Regional Airport flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Newark Airport to Idaho Falls Regional Airport (IDA) at the last minute could be your ticket to an awesome deal. However, it could end up costing you a whole lot more! If you'd rather not take any chances, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to 12 months in advance. If your preferred carrier hasn't released tickets yet, check back frequently as deals are updated all the time on Expedia.

Explore a world of travel with Expedia

Newark Liberty Intl. Airport Airports

New York

John F. Kennedy Intl. to Idaho Falls
£249.40
*Available to Expedia members.