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Idaho Falls

$155+ 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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — IDA
Mar 25 — Apr 11
Wed 3/25
Wed 4/1
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 February 23, 2026.

This Alaska Airlines deal was found by Cheapflights users on 2/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:20 am
EWR
-
IDA
1 stop10h 59m
Alaska Airlines
Tue 4/286:00 am
IDA
-
EWR
1 stop8h 33m
Alaska Airlines
Deal found 2/18$336
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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 stop12h 01m
Alaska Airlines
Sat 3/286:00 am
IDA
-
EWR
1 stop8h 38m
Alaska Airlines
Deal found 2/20$363
This United Airlines deal was found by Cheapflights users on 2/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:00 am
EWR
-
IDA
1 stop9h 32m
United Airlines
Mon 4/272:30 pm
IDA
-
EWR
1 stop7h 14m
United Airlines
Deal found 2/18$364
This United Airlines deal was found by Cheapflights users on 2/22. 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 11/16:00 am
EWR
-
IDA
1 stop9h 35m
United Airlines
Sat 11/72:35 pm
IDA
-
EWR
1 stop6h 44m
United Airlines
Deal found 2/22$373
This Delta deal was found by Cheapflights users on 2/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:15 am
EWR
-
IDA
1 stop7h 11m
Delta
Mon 4/276:58 pm
IDA
-
EWR
1 stop9h 02m
Delta
Deal found 2/18$376
This Alaska Airlines deal was found by Cheapflights users on 2/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:20 am
EWR
-
IDA
1 stop10h 59m
Alaska Airlines
Wed 4/296:00 am
IDA
-
EWR
1 stop15h 29m
Alaska Airlines
Deal found 2/18$386
This Expedia deal was found by Cheapflights users on 2/18. 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.
Thu 3/127:59 pm
EWR
-
IDA
2 stops29h 37m
Alaska Airlines
Mon 3/165:20 pm
IDA
-
EWR
1 stop11h 39m
Alaska Airlines
Deal found 2/18$391
This Delta deal was found by Cheapflights users on 2/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:15 am
EWR
-
IDA
1 stop17h 25m
Delta
Mon 4/276:58 pm
IDA
-
EWR
1 stop9h 02m
Delta
Deal found 2/18$392
This Alaska Airlines deal was found by Cheapflights users on 2/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/219:00 am
EWR
-
IDA
1 stop9h 19m
Alaska Airlines
Mon 4/276:00 am
IDA
-
EWR
1 stop8h 33m
Alaska Airlines
Deal found 2/18$394
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Sat 5/306:00 am
EWR
-
IDA
1 stop9h 25m
United Airlines
Tue 6/22:30 pm
IDA
-
EWR
1 stop8h 34m
United Airlines
Deal found 2/19$399
This Alaska Airlines deal was found by Cheapflights users on 2/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:20 am
EWR
-
IDA
1 stop10h 59m
Alaska Airlines
Fri 4/244:06 pm
IDA
-
EWR
1 stop20h 24m
Alaska Airlines
Deal found 2/18$401
This American Airlines deal was found by Cheapflights users on 2/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:22 pm
EWR
-
IDA
1 stop8h 17m
American Airlines
Sat 4/257:48 am
IDA
-
EWR
2 stops13h 47m
American Airlines
Deal found 2/18$404

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 February 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$336
(Alaska Airlines)

One-way from

$155
(United Airlines)

Popular in

December

Cheapest in

June

Average price

$561
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 ($188 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 February 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 February 23, 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

Sat 3/21

7:18 am-5:19 pm

1 stop12h 01m

Idaho Falls Fanning Field

Sat 3/28

6:00 am-4:38 pm

1 stop8h 38m

$363

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Sat 4/25

7:29 am-3:29 pm

1 stop10h 00m

Idaho Falls Fanning Field

Tue 4/28

6:00 am-4:33 pm

1 stop8h 33m

$363

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Fri 4/24

3:30 pm-10:40 pm

1 stop9h 10m

Idaho Falls Fanning Field

Tue 4/28

6:00 am-4:33 pm

1 stop8h 33m

$363

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Sat 4/25

3:30 pm-10:40 pm

1 stop9h 10m

Idaho Falls Fanning Field

Wed 4/29

6:00 am-11:29 pm

1 stop15h 29m

$413

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Wed 4/22

7:29 am-3:29 pm

1 stop10h 00m

Idaho Falls Fanning Field

Wed 4/29

6:00 am-11:29 pm

1 stop15h 29m

$413

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Fri 4/24

3:30 pm-10:40 pm

1 stop9h 10m

Idaho Falls Fanning Field

Wed 4/29

6:00 am-11:29 pm

1 stop15h 29m

$413

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Thu 4/16

7:20 am-4:19 pm

1 stop10h 59m

Idaho Falls Fanning Field

Sun 4/19

6:00 am-4:38 pm

1 stop8h 38m

$421

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Tue 4/21

9:00 am-4:19 pm

1 stop9h 19m

Idaho Falls Fanning Field

Sun 4/26

4:06 pm-2:30 pm

1 stop20h 24m

$427

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Thu 6/11

9:30 am-11:59 pm

1 stop16h 29m

Idaho Falls Fanning Field

Tue 6/16

4:14 pm-5:58 am

1 stop11h 44m

$429

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Sun 4/19

7:15 am-10:40 pm

1 stop17h 25m

Idaho Falls Fanning Field

Tue 4/28

6:58 pm-6:00 am

1 stop9h 02m

$442

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 19 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 February.
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 $480). 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 February 23, 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
9,342 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

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
9,342 reviews
United Airlines
7.4
Good
9,342 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

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 12h 01m. Alaska Airlines provides one of the quickest options available for as low as $363. Newark Airport and Idaho Falls are separated by a distance of 1934 mi.

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

    United Airlines, at $398, was found to be the cheapest airline from Newark Airport to Idaho Falls.. This flight start at 40% 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 $480). 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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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 February 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$398Average$725FlexibilityNo cancel feeOn-time69%

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