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Idaho Falls

$210+ 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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — IDA
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
1 adult, Economy
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Cheap 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 January 20, 2026.

This United Airlines deal was found by Cheapflights users on 1/19. 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 5/286:00 am
EWR
-
IDA
1 stop9h 31m
United Airlines
Tue 6/25:57 pm
IDA
-
EWR
1 stop9h 20m
United Airlines
Deal found 1/19$309
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Tue 8/186:00 am
EWR
-
IDA
1 stop9h 29m
United Airlines
Tue 8/255:57 pm
IDA
-
EWR
1 stop9h 20m
United Airlines
Deal found 1/19$334
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Tue 2/33:29 pm
EWR
-
IDA
1 stop7h 38m
United Airlines
Sat 2/710:51 am
IDA
-
EWR
1 stop8h 54m
United Airlines
Deal found 1/19$359
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Tue 2/247:30 am
EWR
-
IDA
1 stop8h 00m
United Airlines
Sat 3/282:35 pm
IDA
-
EWR
1 stop6h 51m
United Airlines
Deal found 1/19$379
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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 3/217:18 am
EWR
-
IDA
1 stop17h 34m
Alaska Airlines
Sat 3/285:59 pm
IDA
-
EWR
1 stop9h 59m
Alaska Airlines
Deal found 1/20$381
This Expedia deal was found by Cheapflights users on 1/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/167:29 pm
EWR
-
IDA
1 stop23h 14m
Alaska Airlines
Sat 3/215:59 pm
IDA
-
EWR
1 stop18h 28m
Alaska Airlines
Deal found 1/18$387
This Alaska Airlines deal was found by Cheapflights users on 1/19. 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 2/287:29 pm
EWR
-
IDA
1 stop30h 07m
Alaska Airlines
Wed 3/48:00 am
IDA
-
EWR
1 stop8h 28m
Alaska Airlines
Deal found 1/19$390
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Wed 5/274:30 pm
EWR
-
IDA
1 stop8h 23m
United Airlines
Mon 6/15:57 pm
IDA
-
EWR
1 stop9h 20m
United Airlines
Deal found 1/19$404
This Expedia deal was found by Cheapflights users on 1/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:25 pm
EWR
-
IDA
1 stop24h 04m
Alaska Airlines
Thu 10/16:15 am
IDA
-
EWR
1 stop8h 46m
Alaska Airlines
Deal found 1/17$421
This Expedia deal was found by Cheapflights users on 1/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/284:00 pm
EWR
-
IDA
1 stop8h 45m
Alaska Airlines
Tue 6/24:08 pm
IDA
-
EWR
2 stops20h 21m
Alaska Airlines
Deal found 1/19$432
This Alaska Airlines deal was found by Cheapflights users on 1/19. 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.
Wed 2/257:29 pm
EWR
-
IDA
1 stop30h 07m
Alaska Airlines
Sun 3/18:00 am
IDA
-
EWR
1 stop8h 28m
Alaska Airlines
Deal found 1/19$434

Find 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 January 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$309
(United Airlines)

One-way from

$210
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$544
Provider with most accurate pricing for Newark-Idaho Falls Fanning Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Newark-Idaho Falls Fanning Field flights.
Search Deals
From Newark to Idaho Falls Fanning Field
Search Deals
One-way flight from Newark to Idaho Falls Fanning Field
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($182 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease ($69 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 20, 2026.
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

Thu 5/28

6:00 am-1:31 pm

1 stop9h 31m

Idaho Falls Fanning Field

Tue 6/2

5:57 pm-5:17 am

1 stop9h 20m

$309

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Tue 2/24

7:30 am-1:30 pm

1 stop8h 00m

Idaho Falls Fanning Field

Sat 3/28

2:35 pm-11:26 pm

1 stop6h 51m

$379

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Sat 3/21

7:18 am-10:52 pm

1 stop17h 34m

Idaho Falls Fanning Field

Sat 3/28

5:59 pm-5:58 am

1 stop9h 59m

$381

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Sat 2/28

7:29 pm-11:36 pm

1 stop30h 07m

Idaho Falls Fanning Field

Wed 3/4

8:00 am-6:28 pm

1 stop8h 28m

$390

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Wed 5/27

4:30 pm-10:53 pm

1 stop8h 23m

Idaho Falls Fanning Field

Mon 6/1

5:57 pm-5:17 am

1 stop9h 20m

$404

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Fri 5/29

6:00 am-1:31 pm

1 stop9h 31m

Idaho Falls Fanning Field

Mon 6/1

5:57 pm-5:17 am

1 stop9h 20m

$404

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Thu 5/28

4:00 pm-10:45 pm

1 stop8h 45m

Idaho Falls Fanning Field

Tue 6/2

4:08 pm-2:29 pm

2 stops20h 21m

$432

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Wed 5/20

4:00 pm-10:45 pm

1 stop8h 45m

Idaho Falls Fanning Field

Tue 5/26

6:00 am-6:29 pm

1 stop10h 29m

$445

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Fri 5/29

7:19 am-3:31 pm

1 stop10h 12m

Idaho Falls Fanning Field

Mon 6/1

1:43 pm-4:26 pm

1 stop24h 43m

$467

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Thu 5/28

7:19 am-3:31 pm

1 stop10h 12m

Idaho Falls Fanning Field

Sun 5/31

6:00 am-4:26 pm

1 stop8h 26m

$467

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/18

Showing 1-10 of 17 results
1
2

Compare providers for flights from Newark to Idaho Falls

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Newark to Idaho Falls in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
Trip.comPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Newark Airport-Idaho Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Newark Airport-Idaho Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Newark Airport-Idaho Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Newark Airport-Idaho Falls flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Newark Airport-Idaho Falls flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 $302). Flying from Newark Airport to Idaho Falls in March is currently the most expensive (average of $507). 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.

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 January 20, 2026.
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
9,183 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
9,183 reviews
United Airlines
7.4
Good
9,183 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

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 9h 31m. United Airlines provides one of the quickest options available for as low as $309. 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 $424, was found to be the cheapest airline from Newark Airport to Idaho Falls.. This flight start at 37% lower than the current average price 3 months from now.

  • 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 $302). Flying from Newark Airport to Idaho Falls in March is currently the most expensive (average of $507). 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 January 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$424Average$726FlexibilityNo cancel feeOn-time69%

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