Idaho

$136+ 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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — BOI
Jan 16 — Jan 231
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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 December 17, 2025.

This Delta deal was found by Cheapflights users on 12/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:15 amEWR - JAC
2 stops32h 45mDelta
Thu 1/812:58 pmJAC - EWR
2 stops23h 15mDelta
Deal found 12/15$455
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/315:00 pmEWR - BOI
1 stop7h 40mUnited Airlines
Mon 1/56:55 pmBOI - EWR
1 stop9h 04mUnited Airlines
Deal found 12/16$458
This Delta deal was found by Cheapflights users on 12/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:44 pmEWR - BOI
1 stop7h 25mDelta
Thu 12/255:30 amBOI - EWR
1 stop6h 43mDelta
Deal found 12/15$509
This Delta deal was found by Cheapflights users on 12/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:29 amEWR - GEG
1 stop8h 41mDelta
Thu 12/255:55 amGEG - EWR
1 stop8h 34mDelta
Deal found 12/15$514
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Mon 12/2910:00 amEWR - JAC
Nonstop5h 02mUnited Airlines
Fri 1/92:00 pmJAC - EWR
Nonstop4h 20mUnited Airlines
Deal found 12/16$524
This Delta deal was found by Cheapflights users on 12/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/177:00 pmEWR - GEG
1 stop7h 59mDelta
Wed 12/245:55 amGEG - EWR
1 stop8h 34mDelta
Deal found 12/15$534
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/2510:00 amEWR - JAC
Nonstop5h 02mUnited Airlines
Wed 1/72:40 pmJAC - EWR
1 stop6h 50mUnited Airlines
Deal found 12/16$534
This Delta deal was found by Cheapflights users on 12/16. 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 12/196:29 amEWR - GEG
1 stop8h 37mDelta
Tue 1/65:15 amGEG - EWR
2 stops11h 04mDelta
Deal found 12/16$545
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/241:55 pmEWR - SUN
1 stop9h 35mUnited Airlines
Wed 12/317:00 amSUN - EWR
1 stop9h 15mUnited Airlines
Deal found 12/16$554
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:00 pmEWR - JAC
Nonstop5h 02mUnited Airlines
Thu 1/87:00 amJAC - EWR
2 stops12h 59mUnited Airlines
Deal found 12/15$556
This American Airlines deal was found by Cheapflights users on 12/15. 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 12/257:02 amEWR - SUN
1 stop7h 37mAmerican Airlines
Wed 12/311:09 pmSUN - EWR
1 stop7h 25mAmerican Airlines
Deal found 12/15$564
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:00 pmEWR - JAC
Nonstop5h 02mUnited Airlines
Wed 1/72:40 pmJAC - EWR
1 stop6h 50mUnited Airlines
Deal found 12/15$564

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 December 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$266
(Kiwi.com)

One-way from

$136
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$676
Provider with most accurate pricing for New York (NYC)-Boise Air Term. Gowen Fld flight deals.
Provider most trusted by Cheapflights users for New York (NYC)-Boise Air Term. Gowen Fld flights.
From Newark to Idaho
One-way flight from Newark to Idaho
Highest demand for flights based on searches. 9% potential increase in price ($49 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
Average for round-trip flights in December 2025

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 December 17, 2025.
Use the filters below to find and compare flights from Newark Airport to Idaho that are best for you.

Fly from

Newark

Fly to

Idaho

Route

Depart

Return

Price

NewarkBoise

EWR - BOI

EWRBOI

Newark

Wed 1/28

2:00 pm-9:23 pm

1 stop9h 23m

Boise Air Term. Gowen Fld

Tue 2/3

2:37 pm-11:30 pm

1 stop6h 53m

$289

NewarkBoise

EWR - BOI

EWRBOI

Newark

Wed 2/25

6:00 am-1:59 pm

1 stop9h 59m

Boise Air Term. Gowen Fld

Wed 3/4

3:01 pm-11:30 pm

1 stop6h 29m

$289

NewarkBoise

EWR - BOI

EWRBOI

Newark

Wed 2/25

7:30 am-4:07 pm

1 stop10h 37m

Boise Air Term. Gowen Fld

Tue 3/3

2:40 pm-11:24 pm

1 stop6h 44m

$289

NewarkBoise

EWR - BOI

EWRBOI

Newark

Wed 1/28

6:00 am-12:30 pm

1 stop8h 30m

Boise Air Term. Gowen Fld

Tue 2/3

11:20 am-11:40 pm

2 stops10h 20m

$294

NewarkBoise

EWR - BOI

EWRBOI

Newark

Wed 2/25

1:00 pm-9:56 pm

2 stops10h 56m

Boise Air Term. Gowen Fld

Tue 3/3

12:51 pm-11:33 pm

1 stop8h 42m

$294

NewarkSpokane

EWR - GEG

EWRGEG

Newark

Tue 2/24

5:30 pm-11:01 pm

1 stop8h 31m

Spokane

Tue 3/3

5:40 am-6:28 pm

1 stop9h 48m

$300

NewarkSpokane

EWR - GEG

EWRGEG

Newark

Wed 2/11

6:08 pm-12:23 am

1 stop9h 15m

Spokane

Tue 2/17

7:05 am-6:28 pm

1 stop8h 23m

$300

NewarkSpokane

EWR - GEG

EWRGEG

Newark

Sat 2/21

11:20 am-6:03 pm

1 stop9h 43m

Spokane

Tue 2/24

7:00 am-5:50 pm

1 stop7h 50m

$301

NewarkSpokane

EWR - GEG

EWRGEG

Newark

Tue 1/13

5:30 pm-11:21 pm

1 stop8h 51m

Spokane

Tue 1/20

2:00 pm-11:40 pm

1 stop6h 40m

$301

NewarkSpokane

EWR - GEG

EWRGEG

Newark

Wed 1/14

6:00 am-11:39 am

1 stop8h 39m

Spokane

Tue 1/20

11:25 am-10:58 pm

1 stop8h 33m

$301

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 60 results
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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, June is the cheapest month in which you can book a flight from Newark Airport to Idaho (average of $175). Flying from Newark Airport to Idaho in November is currently the most expensive (average of $388). 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 EWR to ID?

Find hourly flight availability from Newark to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 17, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 21% on flights from Newark Airport to Idaho by exploring options for tickets in the evening.

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 December 17, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and United 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.

Entertainment

7.0

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Entertainment

7.0

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Entertainment

7.0

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Entertainment

7.0

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Entertainment

7.0

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

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 $300, United Airlines can have you in Idaho from Newark Airport in 8h 31m. The distance between Newark Airport and Idaho is about 2170 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 $134. However, be on the lookout for offers from American Airlines and Delta, 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?

  • 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, June is the cheapest month in which you can book a flight from Newark Airport to Idaho (average of $175). Flying from Newark Airport to Idaho in November is currently the most expensive (average of $388). 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.

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 December 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$258Average$488FlexibilityNo cancel feeOn-time71%
DeltaCheapest$268Average$499FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$285Average$637FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$318Average$503FlexibilityNo cancel feeOn-time75%

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