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Idaho Falls

$207+ 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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — IDA
Oct 13 — Oct 201
Mon 10/13
Mon 10/20
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 September 13, 2025.

Round-trip from

$343
(Kiwi.com)

One-way from

$207
(Kissandfly.com)

Popular in

December

Cheapest in

November

Average price

$476
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 ($67 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 September 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 September 13, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/189:00 pmEWR - IDA
2 stops38h 07mMultiple Airlines
Mon 10/277:40 pmIDA - EWR
1 stop8h 42mMultiple Airlines
Deal found 9/13$343
This Delta deal was found by Cheapflights users on 9/12. 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.
Sat 11/156:51 amEWR - IDA
1 stop17h 42mDelta
Tue 11/186:57 pmIDA - EWR
1 stop8h 49mDelta
Deal found 9/12$403
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/187:19 amEWR - IDA
1 stop10h 19mHawaiian Airlines
Mon 10/276:05 amIDA - EWR
1 stop9h 01mHawaiian Airlines
Deal found 9/13$404
This Delta deal was found by Cheapflights users on 9/12. 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 11/146:46 pmEWR - IDA
1 stop29h 47mDelta
Mon 11/176:57 pmIDA - EWR
1 stop8h 49mDelta
Deal found 9/12$413
This Alaska Airlines deal was found by Cheapflights users on 9/12. 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 11/137:30 amEWR - IDA
1 stop9h 43mAlaska Airlines
Tue 11/186:05 amIDA - EWR
1 stop10h 24mAlaska Airlines
Deal found 9/12$420
This Alaska Airlines deal was found by Cheapflights users on 9/12. 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 11/157:30 amEWR - IDA
1 stop9h 43mAlaska Airlines
Wed 11/196:05 amIDA - EWR
1 stop9h 01mAlaska Airlines
Deal found 9/12$431
This Alaska Airlines deal was found by Cheapflights users on 9/12. 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.
Fri 11/147:30 amEWR - IDA
1 stop9h 43mAlaska Airlines
Wed 11/196:05 amIDA - EWR
1 stop10h 24mAlaska Airlines
Deal found 9/12$432
This Trip.com deal was found by Cheapflights users on 9/12. 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.
Mon 10/2710:55 pmEWR - IDA
2 stops27h 04mMultiple Airlines
Mon 11/36:05 amIDA - EWR
1 stop9h 01mMultiple Airlines
Deal found 9/12$437
This Alaska Airlines deal was found by Cheapflights users on 9/12. 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 11/134:25 pmEWR - IDA
1 stop9h 34mAlaska Airlines
Mon 11/176:05 amIDA - EWR
1 stop10h 24mAlaska Airlines
Deal found 9/12$451
This Delta deal was found by Cheapflights users on 9/12. 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.
Sat 11/156:51 amEWR - IDA
1 stop17h 42mDelta
Wed 11/196:00 amIDA - EWR
2 stops11h 24mDelta
Deal found 9/12$463
This Delta deal was found by Cheapflights users on 9/13. 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.
Sat 10/181:10 pmEWR - IDA
2 stops11h 20mDelta
Mon 10/276:53 pmIDA - EWR
2 stops12h 43mDelta
Deal found 9/13$486

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 September 13, 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

Sat 10/18

7:19 am-3:38 pm

1 stop10h 19m

Idaho Falls Fanning Field

Mon 10/27

6:05 am-5:06 pm

1 stop9h 01m

$404

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Fri 11/14

6:46 pm-10:33 pm

1 stop29h 47m

Idaho Falls Fanning Field

Mon 11/17

6:57 pm-5:46 am

1 stop8h 49m

$413

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Fri 11/14

6:46 pm-10:33 pm

1 stop29h 47m

Idaho Falls Fanning Field

Tue 11/18

6:57 pm-5:46 am

1 stop8h 49m

$413

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

12:05 pm-10:21 pm

2 stops12h 16m

Idaho Falls Fanning Field

Wed 3/4

6:45 pm-6:09 am

1 stop9h 24m

$426

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Sat 11/15

7:30 am-3:13 pm

1 stop9h 43m

Idaho Falls Fanning Field

Wed 11/19

6:05 am-5:06 pm

1 stop9h 01m

$431

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Fri 11/14

7:30 am-3:13 pm

1 stop9h 43m

Idaho Falls Fanning Field

Wed 11/19

6:05 am-6:29 pm

1 stop10h 24m

$432

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Sat 11/15

1:15 pm-10:33 pm

2 stops11h 18m

Idaho Falls Fanning Field

Mon 11/17

6:57 pm-5:46 am

1 stop8h 49m

$438

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Sat 11/15

1:15 pm-10:33 pm

2 stops11h 18m

Idaho Falls Fanning Field

Tue 11/18

6:57 pm-5:46 am

1 stop8h 49m

$438

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Thu 11/13

4:25 pm-11:59 pm

1 stop9h 34m

Idaho Falls Fanning Field

Mon 11/17

6:05 am-6:29 pm

1 stop10h 24m

$451

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 18 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 September 13, 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.

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 13, 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
8,934 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

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
8,934 reviews
United Airlines
7.4
Good
8,934 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

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 8h 53m. Hawaiian Airlines provides one of the quickest options available for as low as $420. 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 $211 on Alaska Airlines. Other airlines that offer cheap prices include United Airlines from $268 and American Airlines from $291 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

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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 September 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$344Average$726FlexibilityNo cancel feeOn-time69%

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