HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Newark

$139+ Cheap flights from Idaho Falls (IDA) to Newark (EWR)

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.
IDA — EWR
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Idaho Falls to Newark with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Idaho Falls to Newark

Cheapest flights from Idaho Falls to Newark
Explore the most affordable flight options available from Idaho Falls to Newark. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This United Airlines deal was found by Cheapflights users on 1/25. 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 10/272:35 pm
IDA
-
EWR
1 stop7h 00m
United Airlines
Sat 10/316:00 am
EWR
-
IDA
1 stop9h 35m
United Airlines
Deal found 1/25$309
This Trip.com deal was found by Cheapflights users on 1/27. 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.
Fri 3/138:00 am
IDA
-
EWR
1 stop8h 28m
Multiple Airlines
Fri 3/203:27 pm
EWR
-
IDA
1 stop9h 25m
Multiple Airlines
Deal found 1/27$342
This Expedia deal was found by Cheapflights users on 1/26. 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 4/134:59 pm
IDA
-
EWR
1 stop19h 31m
Alaska Airlines
Thu 4/167:18 am
EWR
-
IDA
1 stop11h 01m
Alaska Airlines
Deal found 1/26$441
This Expedia deal was found by Cheapflights users on 1/27. 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 2/268:00 am
IDA
-
EWR
1 stop31h 11m
Alaska Airlines
Thu 3/55:30 pm
EWR
-
IDA
1 stop25h 13m
Alaska Airlines
Deal found 1/27$457
This Delta deal was found by Cheapflights users on 1/26. 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 2/131:10 pm
IDA
-
EWR
1 stop8h 23m
Delta
Mon 2/2311:49 am
EWR
-
IDA
2 stops12h 32m
Delta
Deal found 1/26$479
This American Airlines deal was found by Cheapflights users on 1/27. 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 6/312:41 pm
IDA
-
EWR
1 stop8h 49m
American Airlines
Mon 6/85:30 am
EWR
-
IDA
1 stop9h 43m
American Airlines
Deal found 1/27$493
This American Airlines deal was found by Cheapflights users on 1/26. 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.
Fri 2/136:03 am
IDA
-
EWR
1 stop8h 26m
American Airlines
Mon 2/236:03 am
EWR
-
IDA
1 stop9h 45m
American Airlines
Deal found 1/26$510
This United Airlines deal was found by Cheapflights users on 1/27. 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 1/292:40 pm
IDA
-
EWR
1 stop6h 50m
United Airlines
Sun 2/17:15 am
EWR
-
IDA
1 stop8h 15m
United Airlines
Deal found 1/27$519
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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 4/86:00 am
IDA
-
EWR
1 stop30h 30m
Alaska Airlines
Mon 4/137:59 pm
EWR
-
IDA
2 stops22h 20m
Alaska Airlines
Deal found 1/27$526
This American Airlines deal was found by Cheapflights users on 1/27. 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 1/297:20 am
IDA
-
EWR
2 stops15h 09m
American Airlines
Sun 2/18:29 am
EWR
-
IDA
2 stops16h 07m
American Airlines
Deal found 1/27$530

Find flight deals from Idaho Falls to Newark

Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) to Newark (EWR). 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 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$342
(Trip.com)

One-way from

$139
(Alaska Airlines)

Popular in

May

Cheapest in

October
Provider with most accurate pricing for Idaho Falls Fanning Field-Newark flight deals.
Search Deals
Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Newark flights.
Search Deals
From Idaho Falls Fanning Field to Newark
Search Deals
One-way flight from Idaho Falls Fanning Field to Newark
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($108 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($30 potential savings vs. average RT price).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho Falls to Newark 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 27, 2026.
Use the filters below to find and compare flights from Idaho Falls to Newark Airport that are best for you.

Fly from

Idaho Falls

Fly to

Newark

Route

Depart

Return

Price

Idaho FallsNewark

IDA - EWR

IDAEWR

Idaho Falls Fanning Field

Fri 3/13

8:00 am-6:28 pm

1 stop8h 28m

Newark

Fri 3/20

3:27 pm-10:52 pm

1 stop9h 25m

$342

Idaho FallsNewark

IDA - EWR

IDAEWR

Idaho Falls Fanning Field

Tue 6/2

5:57 pm-5:17 am

1 stop9h 20m

Newark

Mon 6/8

9:42 pm-1:31 pm

2 stops17h 49m

$418

Idaho FallsNewark

IDA - EWR

IDAEWR

Idaho Falls Fanning Field

Wed 6/3

5:57 pm-5:17 am

1 stop9h 20m

Newark

Mon 6/8

9:42 pm-1:31 pm

2 stops17h 49m

$418

Idaho FallsNewark

IDA - EWR

IDAEWR

Idaho Falls Fanning Field

Mon 4/13

4:59 pm-2:30 pm

1 stop19h 31m

Newark

Thu 4/16

7:18 am-4:19 pm

1 stop11h 01m

$441

Idaho FallsNewark

IDA - EWR

IDAEWR

Idaho Falls Fanning Field

Fri 2/13

1:10 pm-11:33 pm

1 stop8h 23m

Newark

Mon 2/23

11:49 am-10:21 pm

2 stops12h 32m

$479

Idaho FallsNewark

IDA - EWR

IDAEWR

Idaho Falls Fanning Field

Wed 6/3

12:41 pm-11:30 pm

1 stop8h 49m

Newark

Mon 6/8

5:30 am-1:13 pm

1 stop9h 43m

$493

Idaho FallsNewark

IDA - EWR

IDAEWR

Idaho Falls Fanning Field

Wed 4/8

6:00 am-2:30 pm

1 stop30h 30m

Newark

Mon 4/13

7:59 pm-4:19 pm

2 stops22h 20m

$526

Idaho FallsNewark

IDA - EWR

IDAEWR

Idaho Falls Fanning Field

Fri 3/13

5:20 pm-6:59 pm

2 stops23h 39m

Newark

Fri 3/20

3:27 pm-10:52 pm

1 stop9h 25m

$531

Idaho FallsNewark

IDA - EWR

IDAEWR

Idaho Falls Fanning Field

Wed 4/8

1:43 pm-11:35 pm

1 stop7h 52m

Newark

Mon 4/13

5:22 pm-11:39 pm

1 stop8h 17m

$557

Idaho FallsNewark

IDA - EWR

IDAEWR

Idaho Falls Fanning Field

Tue 4/14

6:58 pm-5:55 am

1 stop8h 57m

$139

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 19 results
1
2
  • Most accurate provider: When it comes to deals on Idaho Falls-Newark Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Idaho Falls-Newark Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Idaho Falls-Newark Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Idaho Falls-Newark Airport 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 Idaho Falls-Newark Airport 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 Idaho Falls to Newark

Have a flexible travel schedule? Discover the best time to fly to Newark from Idaho Falls 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 Idaho Falls to Newark Airport

What is the cheapest month to book a flight from Idaho Falls to Newark Airport?

Currently, July is the cheapest month in which you can book a flight from Idaho Falls to Newark Airport (average of $328). Flying from Idaho Falls to Newark Airport in November is currently the most expensive (average of $752). 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.

Related info for your journey

Find useful and relevant information for your journey from Idaho Falls to Newark. 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 from for flights from Idaho Falls to Newark?

    Located just 3.8 mi from the city center, Idaho Falls Fanning Field is the airport most travelers will use when flying to Newark from Idaho Falls. Booking flights from Fanning Field (IDA) to Newark should be relatively easy as there are 0 daily outbound flights to Newark from 0 different airlines.

  • How long is the flight from Idaho Falls to Newark Airport?

    Airlines like United Airlines, Alaska Airlines, and Delta fly from Idaho Falls to Newark Airport in about 8h 23m. The time it takes to get you to your destination can typically vary by up to 11h 08m. The distance between Idaho Falls and Newark Airport is about 1934 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Idaho Falls to Newark that include hotel bookings?

    Yes. In addition to deals on Idaho Falls to Newark flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho Falls to Newark?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho Falls to Newark.

  • Can I find deals for business class flights from Idaho Falls to Newark?

    Yes. Cheapflights offers flight deals from Idaho Falls to Newark 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 Idaho Falls to Newark Airport?

    Currently, July is the cheapest month in which you can book a flight from Idaho Falls to Newark Airport (average of $328). Flying from Idaho Falls to Newark Airport in November is currently the most expensive (average of $752). 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 Newark Airport?

Book flights to Newark Airport if you plan to visit one of these locations
Queens
Bronx
Mahwah
East Rutherford
Yonkers
Bethlehem
Elizabeth
Secaucus
Mount Laurel
North Bergen
Ronkonkoma
Edgewater
Seaside Heights
Absecon
Carle Place
Parsippany
Staten Island
Carteret
Stamford
New Brunswick

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.