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Idaho

$149+ Cheap flights from Newark (EWR) to Idaho

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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — BOI
Aug 25 — Sep 11
Tue 8/25
Tue 9/1
1 adult, Economy
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Cheap flight deals from Newark to Idaho

Cheapest flights from Newark to Idaho
Explore the most affordable flight options available from Newark to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 26, 2026.

This Alaska Airlines deal was found by Cheapflights users on 7/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:03 am
EWR
-
BOI
1 stop11h 14m
Alaska Airlines
Mon 11/27:54 pm
BOI
-
EWR
1 stop8h 04m
Alaska Airlines
Deal found 7/22$307
This Delta deal was found by Cheapflights users on 7/21. 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 9/155:59 pm
EWR
-
GEG
1 stop8h 31m
Delta
Tue 9/295:14 pm
GEG
-
EWR
1 stop9h 46m
Delta
Deal found 7/21$313
This Delta deal was found by Cheapflights users on 7/23. 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 8/196:00 am
EWR
-
BOI
1 stop8h 49m
Delta
Tue 8/251:59 pm
BOI
-
EWR
1 stop8h 11m
Delta
Deal found 7/23$317
This American Airlines deal was found by Cheapflights users on 7/23. 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 8/2812:21 pm
EWR
-
GEG
1 stop11h 21m
American Airlines
Tue 9/15:20 am
GEG
-
EWR
1 stop8h 49m
American Airlines
Deal found 7/23$325
This Delta deal was found by Cheapflights users on 7/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:59 pm
EWR
-
BOI
1 stop8h 00m
Delta
Fri 8/282:53 pm
BOI
-
EWR
1 stop7h 03m
Delta
Deal found 7/25$333
This American Airlines deal was found by Cheapflights users on 7/23. 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.
Mon 8/246:50 am
EWR
-
GEG
1 stop9h 47m
American Airlines
Fri 8/285:40 am
GEG
-
EWR
1 stop10h 41m
American Airlines
Deal found 7/23$337
This Delta deal was found by Cheapflights users on 7/21. 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 8/201:23 pm
EWR
-
BOI
1 stop10h 34m
Delta
Tue 8/251:59 pm
BOI
-
EWR
1 stop8h 11m
Delta
Deal found 7/21$338
This American Airlines deal was found by Cheapflights users on 7/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:50 am
EWR
-
BOI
1 stop9h 39m
American Airlines
Fri 8/215:19 pm
BOI
-
EWR
1 stop10h 41m
American Airlines
Deal found 7/22$343
This American Airlines deal was found by Cheapflights users on 7/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:50 am
EWR
-
GEG
1 stop9h 47m
American Airlines
Sat 9/125:00 am
GEG
-
EWR
1 stop11h 15m
American Airlines
Deal found 7/22$346
This American Airlines deal was found by Cheapflights users on 7/23. 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 9/57:15 am
EWR
-
GEG
1 stop9h 54m
American Airlines
Wed 9/165:00 am
GEG
-
EWR
1 stop8h 30m
American Airlines
Deal found 7/23$356
This American Airlines deal was found by Cheapflights users on 7/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:30 am
EWR
-
GEG
1 stop8h 24m
American Airlines
Sat 9/125:00 am
GEG
-
EWR
1 stop8h 30m
American Airlines
Deal found 7/22$358
This American Airlines deal was found by Cheapflights users on 7/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:50 am
EWR
-
IDA
1 stop8h 19m
American Airlines
Tue 8/251:43 pm
IDA
-
EWR
1 stop8h 16m
American Airlines
Deal found 7/25$359

Find flight deals from Newark to Idaho

Keep the following information in mind while searching for Newark to Idaho flight deals. Data was last updated July 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$307
(Alaska Airlines)

One-way from

$149
(American Airlines)

Popular in

March

Cheapest in

January

Average price

$493
Provider with most accurate pricing for New York (NYC)-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Boise Air Term. Gowen Fld flights.
Search Deals
From Newark to Idaho
Search Deals
One-way flight from Newark to Idaho
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($100 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Newark to Idaho 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 July 26, 2026.
Use the filters below to find and compare flights from Newark Airport to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NewarkBoise

EWR - BOI

EWRBOI

Newark

Wed 9/30

5:50 pm-9:56 am

1 stop18h 06m

Boise Air Term. Gowen Fld

Mon 10/5

9:12 am-11:25 pm

1 stop12h 13m

$307

NewarkBoise

EWR - BOI

EWRBOI

Newark

Fri 8/21

5:59 pm-11:59 pm

1 stop8h 00m

Boise Air Term. Gowen Fld

Tue 8/25

1:59 pm-12:10 am

1 stop8h 11m

$307

NewarkBoise

EWR - BOI

EWRBOI

Newark

Thu 10/29

9:03 am-6:17 pm

1 stop11h 14m

Boise Air Term. Gowen Fld

Mon 11/2

7:54 pm-5:58 am

1 stop8h 04m

$307

NewarkSpokane

EWR - GEG

EWRGEG

Newark

Tue 9/15

6:45 pm-10:56 pm

1 stop7h 11m

Spokane

Tue 9/29

5:14 pm-6:00 am

1 stop9h 46m

$313

NewarkBoise

EWR - BOI

EWRBOI

Newark

Wed 8/19

6:00 am-12:49 pm

1 stop8h 49m

Boise Air Term. Gowen Fld

Tue 8/25

1:59 pm-12:10 am

1 stop8h 11m

$317

NewarkBoise

EWR - BOI

EWRBOI

Newark

Fri 8/21

5:59 pm-11:59 pm

1 stop8h 00m

Boise Air Term. Gowen Fld

Fri 8/28

2:53 pm-11:56 pm

1 stop7h 03m

$333

NewarkSpokane

EWR - GEG

EWRGEG

Newark

Fri 9/25

5:59 pm-11:29 pm

1 stop8h 30m

Spokane

Sun 9/27

10:50 pm-9:22 am

1 stop7h 32m

$368

NewarkSpokane

EWR - GEG

EWRGEG

Newark

Wed 10/7

7:03 am-2:40 pm

1 stop10h 37m

Spokane

Sun 10/11

7:46 pm-6:59 am

1 stop8h 13m

$373

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Fri 8/28

7:15 am-2:35 pm

1 stop9h 20m

Idaho Falls Fanning Field

Mon 8/31

7:00 pm-9:24 am

2 stops12h 24m

$374

NewarkBoise

EWR - BOI

EWRBOI

Newark

Mon 1/4

7:00 am-12:17 pm

1 stop7h 17m

Boise Air Term. Gowen Fld

Fri 1/15

3:22 pm-11:36 pm

1 stop6h 14m

$383

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/21

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from Newark to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho 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

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

Currently, April is the cheapest month in which you can book a flight from Newark Airport to Idaho (average of $339). Flying from Newark Airport to Idaho in December is currently the most expensive (average of $828). 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.

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

Airfare is below average for this route at the moment.
Newark Airport to Idaho flights typically cost between $484 and $752 in October.
The cheapest round-trip price found within the last 5 days was $307 on Alaska Airlines (Oct 29-Nov 2).

How far ahead should I book a flight from Newark Airport to Idaho?

To ensure you get the cheapest price possible for a flight from Newark Airport to Idaho, you should look to book at least 63 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. 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. Reviews last updated July 26, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andUnited Airlines from Newark Airport to Idaho to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,714 reviews

Comfort

7.8

Overall

7.9

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

James Cezar,Jan 2023

JFK - SFO

They lost my luggage on my way to NY and then again on my way to SF, horrible
Alaska Airlines
7.9
Good
12,714 reviews
Alaska Airlines
7.9
Good
12,714 reviews

Comfort

7.8

Overall

7.9

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

James Cezar,Jan 2023

JFK - SFO

They lost my luggage on my way to NY and then again on my way to SF, horrible
Delta
7.8
Good
8,486 reviews
Alaska Airlines
7.9
Good
12,714 reviews

Comfort

7.8

Overall

7.9

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

James Cezar,Jan 2023

JFK - SFO

They lost my luggage on my way to NY and then again on my way to SF, horrible
United Airlines
7.4
Good
10,037 reviews
Alaska Airlines
7.9
Good
12,714 reviews

Comfort

7.8

Overall

7.9

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

James Cezar,Jan 2023

JFK - SFO

They lost my luggage on my way to NY and then again on my way to SF, horrible
American Airlines
7.1
Good
11,844 reviews
Alaska Airlines
7.9
Good
12,714 reviews

Comfort

7.8

Overall

7.9

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

James Cezar,Jan 2023

JFK - SFO

They lost my luggage on my way to NY and then again on my way to SF, horrible

Related info for your journey

Find useful and relevant information for your journey from Newark to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    For as low as $307, Alaska Airlines can have you in Idaho from Newark Airport in 8h. The distance between Newark Airport and Idaho is about 2139 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Newark Airport to Idaho one-way?

    The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as $145. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Newark Airport to Idaho for a low price.

  • What are the most popular routes from Newark Airport to Idaho?

    The most popular route from Newark Airport to Idaho is Newark - Jackson Hole. You may also consider Newark - Boise Air Term. Gowen Fld or Newark - Spokane.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Newark to Idaho 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?

    Currently, April is the cheapest month in which you can book a flight from Newark Airport to Idaho (average of $339). Flying from Newark Airport to Idaho in December is currently the most expensive (average of $828). 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

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Alternative routes for Newark to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
Newark to San Francisco flights
John F Kennedy Intl to San Francisco flights
LaGuardia to San Francisco flights
Newark to Orlando flights
Newark to Miami flights
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LaGuardia to Dallas/Fort Worth flights
LaGuardia to O'Hare Intl flights
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John F Kennedy Intl to O'Hare Intl flights
Stewart to San Francisco flights
Newark to Atlanta flights
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LaGuardia to Los Angeles flights
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LaGuardia to Denver flights
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John F Kennedy Intl to Denver flights
Newark to Denver flights
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Newark to Tampa flights
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John F Kennedy Intl to Tampa flights
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LaGuardia to Las Vegas flights
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John F Kennedy Intl to Sky Harbor Intl flights
LaGuardia to Hobby flights
LaGuardia to New Orleans flights
Newark to Charlotte flights
Newark to Austin flights
LaGuardia to Detroit flights
Newark to George Bush Intcntl flights

Top 4 airlines flying from Newark to Idaho

Discover the top 4 airlines that operate flights from Newark to Idaho. 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 July 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$298Average$619FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$338Average$531FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$348Average$568FlexibilityNo cancel feeOn-time69%
DeltaCheapest$362Average$568FlexibilityNo cancel feeOn-timeN/A

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