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Idaho Falls

$230+ 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — IDA
Mar 2 — Mar 91
Mon 3/2
Mon 3/9
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 31, 2026.

This United Airlines deal was found by Cheapflights users on 1/30. 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 3/37:30 am
EWR
-
IDA
1 stop8h 00m
United Airlines
Tue 3/102:35 pm
IDA
-
EWR
1 stop6h 51m
United Airlines
Deal found 1/30$309
This Expedia deal was found by Cheapflights users on 1/30. 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 3/57:29 pm
EWR
-
IDA
1 stop23h 14m
Alaska Airlines
Tue 3/105:20 pm
IDA
-
EWR
1 stop11h 39m
Alaska Airlines
Deal found 1/30$333
This Alaska Airlines deal was found by Cheapflights users on 1/31. 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 3/57:29 pm
EWR
-
IDA
1 stop23h 14m
Alaska Airlines
Mon 3/95:20 pm
IDA
-
EWR
1 stop21h 51m
Alaska Airlines
Deal found 1/31$349
This Delta deal was found by Cheapflights users on 1/31. 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.
Wed 5/277:15 am
EWR
-
IDA
1 stop29h 32m
Delta
Tue 6/26:54 pm
IDA
-
EWR
1 stop9h 08m
Delta
Deal found 1/31$362
This Delta deal was found by Cheapflights users on 1/31. 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.
Thu 5/287:15 am
EWR
-
IDA
1 stop9h 19m
Delta
Mon 6/16:54 pm
IDA
-
EWR
1 stop9h 08m
Delta
Deal found 1/31$364
This Travelocity deal was found by Cheapflights users on 1/29. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:34 pm
EWR
-
IDA
1 stop21h 32m
Alaska Airlines
Mon 6/14:08 pm
IDA
-
EWR
1 stop21h 48m
Alaska Airlines
Deal found 1/29$369
This United Airlines deal was found by Cheapflights users on 1/30. 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 3/37:30 am
EWR
-
IDA
1 stop8h 00m
United Airlines
Mon 3/92:35 pm
IDA
-
EWR
1 stop6h 51m
United Airlines
Deal found 1/30$379
This American Airlines deal was found by Cheapflights users on 1/30. 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.
Sat 2/281:30 pm
EWR
-
IDA
2 stops11h 54m
American Airlines
Tue 3/32:18 pm
IDA
-
EWR
1 stop7h 29m
American Airlines
Deal found 1/30$383
This Delta deal was found by Cheapflights users on 1/31. 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.
Wed 5/277:15 am
EWR
-
IDA
1 stop29h 32m
Delta
Sat 5/303:16 pm
IDA
-
EWR
1 stop6h 40m
Delta
Deal found 1/31$387
This Delta deal was found by Cheapflights users on 1/29. 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.
Tue 4/141:15 pm
EWR
-
IDA
2 stops11h 25m
Delta
Fri 4/176:58 pm
IDA
-
EWR
1 stop8h 57m
Delta
Deal found 1/29$394
This Alaska Airlines deal was found by Cheapflights users on 1/30. 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.
Tue 3/36:12 pm
EWR
-
IDA
2 stops24h 31m
Alaska Airlines
Sun 3/88:00 am
IDA
-
EWR
1 stop8h 28m
Alaska Airlines
Deal found 1/30$401

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 31, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$309
(United Airlines)

One-way from

$230
(Delta)

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. 22% potential increase in price ($193 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($63 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 31, 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

Tue 3/3

7:30 am-1:30 pm

1 stop8h 00m

Idaho Falls Fanning Field

Tue 3/10

2:35 pm-11:26 pm

1 stop6h 51m

$309

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Thu 3/5

7:29 pm-4:43 pm

1 stop23h 14m

Idaho Falls Fanning Field

Mon 3/9

5:20 pm-5:11 pm

1 stop21h 51m

$349

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Wed 5/27

7:15 am-10:47 am

1 stop29h 32m

Idaho Falls Fanning Field

Tue 6/2

6:54 pm-6:02 am

1 stop9h 08m

$362

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Thu 5/28

7:15 am-2:34 pm

1 stop9h 19m

Idaho Falls Fanning Field

Mon 6/1

6:54 pm-6:02 am

1 stop9h 08m

$364

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Wed 5/27

7:15 am-10:47 am

1 stop29h 32m

Idaho Falls Fanning Field

Sat 5/30

3:16 pm-11:56 pm

1 stop6h 40m

$387

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Wed 5/27

7:15 am-10:47 am

1 stop29h 32m

Idaho Falls Fanning Field

Mon 6/1

11:30 am-6:02 am

1 stop16h 32m

$415

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Tue 3/3

7:59 pm-4:43 pm

2 stops22h 44m

Idaho Falls Fanning Field

Mon 3/9

5:20 pm-6:28 pm

1 stop23h 08m

$418

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Sat 3/21

3:27 pm-10:52 pm

1 stop9h 25m

Idaho Falls Fanning Field

Sat 3/28

5:59 pm-5:58 am

1 stop9h 59m

$423

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Thu 5/28

5:25 pm-3:31 pm

1 stop24h 06m

Idaho Falls Fanning Field

Mon 6/1

4:08 pm-3:56 pm

1 stop21h 48m

$424

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Fri 5/29

7:51 am-1:24 pm

1 stop7h 33m

Idaho Falls Fanning Field

Tue 6/2

4:23 pm-1:04 am

1 stop6h 41m

$439

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/31

Showing 1-10 of 22 results
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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 Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust 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 FlightHub the most. FlightHub 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 31, 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
9,219 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

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
9,219 reviews
United Airlines
7.4
Good
9,219 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

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 8h. 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 36% 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 31, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$424Average$726FlexibilityNo cancel feeOn-time69%

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