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Idaho Falls

$170+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — IDA
Jun 17 — Jun 241
Wed 6/17
Wed 6/24
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 May 18, 2026.

This Alaska Airlines deal was found by Cheapflights users on 5/17. 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.
Wed 11/117:17 am
EWR
-
IDA
1 stop10h 00m
Alaska Airlines
Sat 11/146:04 am
IDA
-
EWR
1 stop10h 52m
Alaska Airlines
Deal found 5/17$349
This United Airlines deal was found by Cheapflights users on 5/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:00 am
EWR
-
IDA
1 stop9h 25m
United Airlines
Fri 6/54:10 pm
IDA
-
EWR
1 stop6h 54m
United Airlines
Deal found 5/13$394
This Expedia deal was found by Cheapflights users on 5/18. 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.
Wed 6/179:30 am
EWR
-
IDA
1 stop15h 09m
Alaska Airlines
Fri 8/74:14 pm
IDA
-
EWR
1 stop11h 45m
Alaska Airlines
Deal found 5/18$399
This Delta deal was found by Cheapflights users on 5/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:15 am
EWR
-
IDA
1 stop9h 19m
Delta
Wed 6/311:30 am
IDA
-
EWR
2 stops9h 48m
Delta
Deal found 5/17$440
This Alaska Airlines deal was found by Cheapflights users on 5/17. 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.
Tue 7/286:30 am
EWR
-
IDA
1 stop8h 36m
Alaska Airlines
Thu 8/61:43 pm
IDA
-
EWR
1 stop8h 16m
Alaska Airlines
Deal found 5/17$449
This United Airlines deal was found by Cheapflights users on 5/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:00 am
EWR
-
IDA
1 stop9h 25m
United Airlines
Wed 6/104:10 pm
IDA
-
EWR
1 stop6h 54m
United Airlines
Deal found 5/13$466
This Alaska Airlines deal was found by Cheapflights users on 5/14. 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 5/287:30 am
EWR
-
IDA
1 stop9h 56m
Alaska Airlines
Mon 6/14:03 pm
IDA
-
EWR
1 stop22h 05m
Alaska Airlines
Deal found 5/14$484
This American Airlines deal was found by Cheapflights users on 5/15. 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.
Thu 8/276:30 am
EWR
-
IDA
1 stop9h 12m
American Airlines
Mon 8/311:41 pm
IDA
-
EWR
1 stop18h 21m
American Airlines
Deal found 5/15$507
This Alaska Airlines deal was found by Cheapflights users on 5/17. 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 10/247:00 am
EWR
-
IDA
1 stop10h 35m
Alaska Airlines
Wed 10/284:12 pm
IDA
-
EWR
2 stops12h 23m
Alaska Airlines
Deal found 5/17$508
This Alaska Airlines deal was found by Cheapflights users on 5/17. 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.
Tue 7/286:30 am
EWR
-
IDA
1 stop8h 36m
Alaska Airlines
Tue 8/41:43 pm
IDA
-
EWR
1 stop8h 16m
Alaska Airlines
Deal found 5/17$509

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 May 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$349
(Alaska Airlines)

One-way from

$170
(Trip.com)

Popular in

December

Cheapest in

November

Average price

$669
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. 25% potential increase in price ($216 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease ($72 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 18, 2026.
Use the filters below to find and compare flights from Newark Airport to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Wed 11/11

4:00 pm-11:42 pm

1 stop9h 42m

Idaho Falls Fanning Field

Sat 11/14

6:04 am-5:01 pm

1 stop8h 57m

$349

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Tue 7/28

6:30 am-1:06 pm

1 stop8h 36m

Idaho Falls Fanning Field

Wed 8/12

1:43 pm-11:59 pm

1 stop8h 16m

$509

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Wed 7/29

6:30 am-1:06 pm

1 stop8h 36m

Idaho Falls Fanning Field

Tue 8/4

1:43 pm-11:59 pm

1 stop8h 16m

$569

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Wed 7/29

6:30 am-1:06 pm

1 stop8h 36m

Idaho Falls Fanning Field

Wed 8/12

1:43 pm-11:59 pm

1 stop8h 16m

$569

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Thu 6/11

6:30 am-1:06 pm

1 stop8h 36m

Idaho Falls Fanning Field

Tue 6/16

1:43 pm-11:59 pm

1 stop8h 16m

$575

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Sat 8/29

6:55 am-1:06 pm

1 stop8h 11m

Idaho Falls Fanning Field

Sun 9/6

6:18 am-5:17 pm

1 stop8h 59m

$609

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Wed 6/17

7:25 am-3:37 pm

1 stop10h 12m

Idaho Falls Fanning Field

Tue 6/23

1:43 pm-11:59 pm

1 stop8h 16m

$635

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Thu 5/28

1:05 pm-10:42 pm

2 stops11h 37m

Idaho Falls Fanning Field

Mon 6/1

6:54 pm-9:25 am

2 stops12h 31m

$638
Quickest round-trip

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Tue 6/9

6:00 am-1:25 pm

1 stop9h 25m

Idaho Falls Fanning Field

Thu 6/18

2:30 pm-11:44 pm

1 stop7h 14m

$694

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Sun 8/23

6:55 am-1:06 pm

1 stop8h 11m

Idaho Falls Fanning Field

Sun 8/30

6:18 am-11:29 pm

2 stops15h 11m

$696

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/16

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 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 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

How much does it cost to fly round-trip from Newark Airport to Idaho Falls?

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 May 18, 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
9,737 reviews

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

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
9,737 reviews
United Airlines
7.4
Good
9,737 reviews

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

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 7h 45m. Alaska Airlines provides one of the quickest options available for as low as $542. 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 $398, 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.

See more FAQs

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
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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 May 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$398Average$639FlexibilityNo cancel feeOn-time69%

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