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Idaho Falls

$200+ Cheap flights from Newark (EWR) to Idaho Falls (IDA)

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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — IDA
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheap flight deals from Newark to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Newark (EWR) to Idaho Falls (IDA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 18, 2025.

Round-trip from

$362
(Trip.com)

One-way from

$200
(Hawaiian Airlines)

Popular in

December

Cheapest in

November

Average price

$450
From Newark to Idaho Falls Fanning Field
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One-way flight from Newark to Idaho Falls Fanning Field
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Highest demand for flights based on searches. 10% potential increase in price ($70 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Newark to Idaho Falls

Cheapest flights from Newark to Idaho Falls
Explore the most affordable flight options available from Newark to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This Trip.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/266:59 amEWR - IDA
1 stop11h 06mMultiple Airlines
Tue 9/306:13 amIDA - EWR
1 stop8h 35mMultiple Airlines
Deal found 8/16$362
This American Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/307:30 amEWR - IDA
1 stop6h 54mAmerican Airlines
Tue 10/712:55 pmIDA - EWR
1 stop9h 04mAmerican Airlines
Deal found 8/17$371
This Delta deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/261:00 pmEWR - IDA
2 stops11h 25mDelta
Tue 9/306:51 pmIDA - EWR
1 stop9h 14mDelta
Deal found 8/16$403
This Alaska Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:14 amEWR - IDA
1 stop11h 13mAlaska Airlines
Sun 12/75:04 pmIDA - EWR
1 stop10h 54mAlaska Airlines
Deal found 8/17$412
This Alaska Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/117:29 pmEWR - IDA
1 stop29h 09mAlaska Airlines
Sun 10/196:00 amIDA - EWR
1 stop8h 54mAlaska Airlines
Deal found 8/17$444
This United Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/314:30 pmEWR - IDA
1 stop8h 18mUnited Airlines
Thu 9/42:35 pmIDA - EWR
1 stop8h 24mUnited Airlines
Deal found 8/16$461
This American Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3110:56 amEWR - IDA
2 stops12h 23mAmerican Airlines
Thu 9/412:40 pmIDA - EWR
1 stop9h 19mAmerican Airlines
Deal found 8/16$466
This United Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/116:05 amEWR - IDA
1 stop9h 25mUnited Airlines
Tue 9/165:00 amIDA - EWR
1 stop7h 00mUnited Airlines
Deal found 8/17$476
This American Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/127:40 pmEWR - IDA
1 stop18h 45mAmerican Airlines
Sat 10/1812:55 pmIDA - EWR
1 stop9h 04mAmerican Airlines
Deal found 8/17$481

Cheapflights Fare Finder

 
Customize your flight search to find flights from Newark 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, Cheapflights users made 2,558,603 searches. Data last updated August 18, 2025.
Use the filters below to find and compare flights from Newark Airport to Idaho Falls that are best for you.

Fly from

Newark

Fly to

Idaho Falls

Route

Depart

Return

Price

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Fri 9/26

6:59 am-4:05 pm

1 stop11h 06m

Idaho Falls Fanning Field

Tue 9/30

6:13 am-4:48 pm

1 stop8h 35m

$362

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Tue 9/30

7:30 am-12:24 pm

1 stop6h 54m

Idaho Falls Fanning Field

Tue 10/7

12:55 pm-11:59 pm

1 stop9h 04m

$371

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Fri 9/26

1:00 pm-10:25 pm

2 stops11h 25m

Idaho Falls Fanning Field

Tue 9/30

6:51 pm-6:05 am

1 stop9h 14m

$403

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Tue 9/30

2:55 pm-10:25 pm

2 stops9h 30m

Idaho Falls Fanning Field

Tue 10/7

6:53 pm-5:58 am

1 stop9h 05m

$403

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Sat 10/11

7:29 pm-10:38 pm

1 stop29h 09m

Idaho Falls Fanning Field

Sun 10/19

6:00 am-4:54 pm

1 stop8h 54m

$444

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Sun 8/31

4:30 pm-10:48 pm

1 stop8h 18m

Idaho Falls Fanning Field

Thu 9/4

2:35 pm-12:59 am

1 stop8h 24m

$461

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Sun 8/31

10:56 am-9:19 pm

2 stops12h 23m

Idaho Falls Fanning Field

Thu 9/4

12:40 pm-11:59 pm

1 stop9h 19m

$466

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Thu 9/11

6:05 am-1:30 pm

1 stop9h 25m

Idaho Falls Fanning Field

Tue 9/16

5:00 am-2:00 pm

1 stop7h 00m

$476

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Sun 10/12

7:41 pm-12:25 pm

1 stop18h 44m

Idaho Falls Fanning Field

Sat 10/18

12:55 pm-10:29 pm

1 stop7h 34m

$481

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Mon 10/6

7:19 am-3:38 pm

1 stop10h 19m

$200

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 14 results
1
2

Best time to book a flight from Newark to Idaho Falls

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

What is the cheapest month to book a flight from Newark Airport to Idaho Falls?

Currently, October is the cheapest month in which you can book a flight from Newark Airport to Idaho Falls (average of $380). Flying from Newark Airport to Idaho Falls in December is currently the most expensive (average of $578). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from EWR to IDA?

Find hourly flight availability from Newark to Idaho Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 18, 2025.

A simple way to save on the total cost of your ticket is to fly from Newark Airport to Idaho Falls in the morning. If you’re flexible enough to do this you can expect to save up to 2% on your trip compared to booking a flight at noon.

What’s the top layover airport for flights from Newark Airport to Idaho Falls?

Share of 1-stop round-trip flights from Newark Airport to Idaho Falls chosen by Cheapflights users in the past 12 months, using the same layover each way.

Denver (DEN) – chosen by Cheapflights users on 75% of 1-stop itineraries from Newark Airport to Idaho Falls on Cheapflights.

What’s the cheapest layover airport for flights from Newark Airport to Idaho Falls?

Average round-trip fare for 1-stop flights from Newark Airport to Idaho Falls, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Seattle (SEA) is the most affordable 1-stop option, with an average round-trip price of $697.

What’s the fastest layover option from Newark Airport to Idaho Falls?

Shortest average travel time for 1-stop one-way flights from Newark Airport to Idaho Falls, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 8h 46m.

Which airport typically offers the quickest layover for flights from Newark Airport to Idaho Falls?

Average layover duration for 1-stop one-way flights from Newark Airport to Idaho Falls, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Seattle (SEA) offer the fastest connection on this route, with an average layover time of 1h 29m.

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 August 18, 2025.
Get a feel of what it's like to fly with United Airlines from Newark Airport to Idaho Falls by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,925 reviews

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,925 reviews
United Airlines
7.4
Good
8,925 reviews

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Newark to Idaho Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Most people fly into Idaho Falls Fanning Field (IDA) if they book a flight to Idaho Falls from Newark. On average, Fanning Field has 0 inbound flights from Newark per day from 1 airline. Idaho Falls Fanning Field is conveniently located just 3.8 mi from Idaho Falls’s city center.

  • How long is the flight from Newark Airport to Idaho Falls?

    A quick flight from Newark Airport to Idaho Falls can take about 6h 54m. American Airlines provides one of the quickest options available for as low as $371. Newark Airport and Idaho Falls are separated by a distance of 1934 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Newark Airport to Idaho Falls round-trip?

    United Airlines, at $344, was found to be the cheapest airline from Newark Airport to Idaho Falls.. This flight start at 42% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Newark Airport to Idaho Falls one-way?

    One-way options have recently been found by users for as low as $200 on Hawaiian Airlines. Other airlines that offer cheap prices include Alaska Airlines from $207 and United Airlines from $246 one-way.

  • Can I find deals for flights from Newark to Idaho Falls that include hotel bookings?

    Yes. In addition to deals on Newark to Idaho Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Newark to Idaho Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Newark to Idaho Falls.

  • Can I find deals for business class flights from Newark to Idaho Falls?

    Yes. Cheapflights offers flight deals from Newark to Idaho Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Newark Airport to Idaho Falls?

    Currently, October is the cheapest month in which you can book a flight from Newark Airport to Idaho Falls (average of $380). Flying from Newark Airport to Idaho Falls in December is currently the most expensive (average of $578). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Idaho Falls?

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

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Alternative routes for Newark to Idaho Falls

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Newark to Idaho Falls

Discover the top airline that operate flights from Newark to Idaho Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$344Average$763FlexibilityNo cancel feeOn-time69%

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