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Idaho Falls

$147+ Cheap flights from New Jersey 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — IDA
Aug 7 — Aug 141
Thu 8/7
Thu 8/14
1 adult, Economy
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Cheap flight deals from New Jersey to Idaho Falls

Keep the following information in mind while searching for New Jersey to Idaho Falls flight deals. Data was last updated August 2, 2025.

Round-trip from

$333
(Delta)

One-way from

$167
(Hawaiian Airlines)

Popular in

December

Cheapest in

November

Average price

$646
From New Jersey to Idaho Falls Fanning Field
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One-way flight from New Jersey to Idaho Falls Fanning Field
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Highest demand for flights based on searches. 5% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from New Jersey to Idaho Falls

Cheapest flights from New Jersey to Idaho Falls
Explore the most affordable flight options available from New Jersey to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2025.

This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/145:59 pmEWR - IDA
3 stops26h 42mMultiple Airlines
Mon 8/187:31 pmIDA - EWR
2 stops19h 23mMultiple Airlines
Deal found 7/30$324
This Delta deal was found by Cheapflights users on 8/1. 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 9/43:51 pmJFK - IDA
1 stop8h 36mDelta
Wed 9/103:00 pmIDA - JFK
1 stop7h 27mDelta
Deal found 8/1$333
This Hawaiian Airlines deal was found by Cheapflights users on 7/31. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/257:20 amJFK - IDA
1 stop10h 18mHawaiian Airlines
Sat 11/16:05 amIDA - JFK
1 stop11h 24mHawaiian Airlines
Deal found 7/31$334
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Wed 8/273:20 pmEWR - IDA
1 stop7h 34mUnited Airlines
Wed 9/34:15 pmIDA - EWR
1 stop6h 44mUnited Airlines
Deal found 7/30$351
This Delta deal was found by Cheapflights users on 8/1. 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 9/248:15 amEWR - IDA
2 stops11h 56mDelta
Sat 9/276:51 pmIDA - EWR
2 stops12h 44mDelta
Deal found 8/1$381
This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/143:51 pmPHL - IDA
2 stops21h 39mMultiple Airlines
Mon 8/186:20 pmIDA - PHL
2 stops15h 10mMultiple Airlines
Deal found 7/30$382
This Alaska Airlines deal was found by Cheapflights users on 8/1. 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 11/17:30 amEWR - IDA
1 stop9h 43mAlaska Airlines
Thu 11/66:05 amIDA - EWR
1 stop9h 01mAlaska Airlines
Deal found 8/1$385
This American Airlines deal was found by Cheapflights users on 8/1. 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 11/11:30 pmEWR - IDA
2 stops10h 18mAmerican Airlines
Thu 11/61:58 pmIDA - EWR
1 stop7h 56mAmerican Airlines
Deal found 8/1$391
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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.
Sat 10/257:20 amJFK - IDA
1 stop10h 18mAlaska Airlines
Sat 11/16:05 amIDA - JFK
2 stops24h 25mAlaska Airlines
Deal found 7/31$394
This American Airlines deal was found by Cheapflights users on 8/1. 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 9/241:57 pmLGA - IDA
1 stop9h 28mAmerican Airlines
Sat 9/2712:54 pmIDA - LGA
1 stop7h 25mAmerican Airlines
Deal found 8/1$397
This Hawaiian Airlines deal was found by Cheapflights users on 7/31. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:02 amPHL - IDA
1 stop10h 11mHawaiian Airlines
Sat 11/16:05 amIDA - PHL
1 stop10h 07mHawaiian Airlines
Deal found 7/31$398
This American Airlines deal was found by Cheapflights users on 8/1. 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 10/301:45 pmPHL - IDA
2 stops10h 04mAmerican Airlines
Sat 11/112:55 pmIDA - PHL
1 stop7h 30mAmerican Airlines
Deal found 8/1$404

Cheapflights Fare Finder

 
Customize your flight search to find flights from New Jersey 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 August 2, 2025.
Use the filters below to find and compare flights from New Jersey to Idaho Falls that are best for you.

Fly from

New Jersey

Fly to

Idaho Falls

Route

Depart

Return

Price

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Thu 8/14

5:59 pm-6:41 pm

3 stops26h 42m

Idaho Falls Fanning Field

Mon 8/18

7:31 pm-4:54 pm

2 stops19h 23m

$324

New YorkIdaho Falls

JFK - IDA

JFKIDA

New York John F Kennedy Intl

Thu 9/4

3:51 pm-10:27 pm

1 stop8h 36m

Idaho Falls Fanning Field

Wed 9/10

3:00 pm-12:27 am

1 stop7h 27m

$333

New YorkIdaho Falls

JFK - IDA

JFKIDA

New York John F Kennedy Intl

Sat 10/25

7:20 am-3:38 pm

1 stop10h 18m

Idaho Falls Fanning Field

Sat 11/1

6:05 am-7:29 pm

1 stop11h 24m

$334

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Wed 8/27

3:20 pm-8:54 pm

1 stop7h 34m

Idaho Falls Fanning Field

Wed 9/3

4:15 pm-12:59 am

1 stop6h 44m

$351

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Wed 9/24

8:15 am-6:11 pm

2 stops11h 56m

Idaho Falls Fanning Field

Sat 9/27

6:51 pm-9:35 am

2 stops12h 44m

$381

PhiladelphiaIdaho Falls

PHL - IDA

PHLIDA

Philadelphia

Thu 8/14

3:51 pm-11:30 am

2 stops21h 39m

Idaho Falls Fanning Field

Mon 8/18

6:20 pm-11:30 am

2 stops15h 10m

$382

New YorkIdaho Falls

JFK - IDA

JFKIDA

New York John F Kennedy Intl

Sat 10/25

7:20 am-3:38 pm

1 stop10h 18m

Idaho Falls Fanning Field

Sat 11/1

6:05 am-8:30 am

2 stops24h 25m

$394

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Wed 9/24

1:57 pm-9:25 pm

1 stop9h 28m

Idaho Falls Fanning Field

Sat 9/27

12:54 pm-10:19 pm

1 stop7h 25m

$397

PhiladelphiaIdaho Falls

PHL - IDA

PHLIDA

Philadelphia

Thu 10/30

7:02 am-3:13 pm

1 stop10h 11m

Idaho Falls Fanning Field

Sat 11/1

6:05 am-6:12 pm

1 stop10h 07m

$398

PhiladelphiaIdaho Falls

PHL - IDA

PHLIDA

Philadelphia

Thu 10/30

1:45 pm-9:49 pm

2 stops10h 04m

Idaho Falls Fanning Field

Sat 11/1

12:55 pm-10:25 pm

1 stop7h 30m

$404

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 40 results
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Best time to book a flight from New Jersey to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from New Jersey 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 New Jersey to Idaho Falls

What is the cheapest month to book a flight from New Jersey to Idaho Falls?

Currently, October is the cheapest month in which you can book a flight from New Jersey to Idaho Falls (average of $380). Flying from New Jersey to Idaho Falls in December is currently the most expensive (average of $578). 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.

What is the cheapest time of day to fly from NJ to IDA?

Find hourly flight availability from New Jersey to Idaho Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 2, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from New Jersey to Idaho Falls as you normally would.

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 August 2, 2025.
Read through reviews of airlines operating flights from New Jersey to Idaho Falls, such as Alaska Airlines, Delta, and Hawaiian Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,983 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,613 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,904 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from New Jersey 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 New Jersey?

    For a flight from New Jersey to Idaho Falls, you will be flying into Fanning Field. Idaho Falls Fanning Field (IDA) is just 3.8 mi from the center of the city.

  • What are the cheapest airlines to fly from New Jersey to Idaho Falls one-way?

    The cheapest airlines for a one-way flight from New Jersey to Idaho Falls are Hawaiian Airlines ($167), American Airlines ($168), and Alaska Airlines ($199).

  • What are the most popular routes from New Jersey to Idaho Falls?

    When deciding which route to take from New Jersey to Idaho Falls consider New York John F Kennedy Intl - Idaho Falls Fanning Field, Newark - Idaho Falls Fanning Field or New York LaGuardia - Idaho Falls Fanning Field as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from New Jersey 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 New Jersey to Idaho Falls?

    Currently, October is the cheapest month in which you can book a flight from New Jersey to Idaho Falls (average of $380). Flying from New Jersey to Idaho Falls in December is currently the most expensive (average of $578). 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 New Jersey 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 New Jersey to Idaho Falls

Discover the top airline that operate flights from New Jersey 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 August 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$344Average$768FlexibilityNo cancel feeOn-time69%

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