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$129+ 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — BOI
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Newark to Idaho

Keep the following information in mind while searching for Newark to Idaho flight deals. Data was last updated September 17, 2025.

Round-trip from

$258
(Travelocity)

One-way from

$129
(Alaska Airlines)

Popular in

December

Cheapest in

January

Average price

$523
From Newark to Idaho
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One-way flight from Newark to Idaho
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Highest demand for flights based on searches. 10% potential increase in price ($58 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 17, 2025.

This Delta deal was found by Cheapflights users on 9/16. 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.
Wed 11/126:08 amEWR - GEG
1 stop9h 57mDelta
Sat 11/151:15 pmGEG - EWR
1 stop7h 41mDelta
Deal found 9/16$259
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/87:00 amEWR - BOI
1 stop8h 43mUnited Airlines
Tue 10/147:05 pmBOI - EWR
1 stop8h 19mUnited Airlines
Deal found 9/16$277
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/155:57 pmEWR - GEG
1 stop9h 30mAlaska Airlines
Wed 10/225:54 pmGEG - EWR
1 stop9h 05mAlaska Airlines
Deal found 9/15$279
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/86:40 amEWR - GEG
1 stop8h 56mUnited Airlines
Tue 10/1412:35 pmGEG - EWR
1 stop9h 20mUnited Airlines
Deal found 9/16$281
This Hawaiian Airlines deal was found by Cheapflights users on 9/16. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/237:19 amEWR - BOI
1 stop9h 17mHawaiian Airlines
Sat 10/255:38 pmBOI - EWR
1 stop10h 21mHawaiian Airlines
Deal found 9/16$288
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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.
Thu 10/304:53 pmEWR - BOI
1 stop9h 06mAlaska Airlines
Sat 11/88:41 amBOI - EWR
1 stop19h 04mAlaska Airlines
Deal found 9/17$289
This KAYAK deal was found by Cheapflights users on 9/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/284:53 pmEWR - BOI
1 stop9h 06mAlaska Airlines
Sun 11/25:28 amBOI - EWR
1 stop10h 01mAlaska Airlines
Deal found 9/17$294
This KAYAK deal was found by Cheapflights users on 9/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/304:53 pmEWR - BOI
1 stop9h 06mAlaska Airlines
Sun 11/25:28 amBOI - EWR
1 stop8h 38mAlaska Airlines
Deal found 9/16$300
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/235:45 pmEWR - BOI
1 stop8h 12mAlaska Airlines
Sat 10/251:50 pmBOI - EWR
2 stops14h 09mAlaska Airlines
Deal found 9/16$301
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/257:19 amEWR - BOI
1 stop10h 26mHawaiian Airlines
Sun 11/26:05 pmBOI - EWR
1 stop9h 54mHawaiian Airlines
Deal found 9/17$305
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Fri 12/126:00 amEWR - BOI
1 stop8h 27mAmerican Airlines
Tue 12/161:57 pmBOI - EWR
1 stop6h 44mAmerican Airlines
Deal found 9/15$308
This Delta deal was found by Cheapflights users on 9/17. 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.
Sun 11/236:51 amEWR - JAC
1 stop7h 11mDelta
Wed 12/35:50 pmJAC - EWR
1 stop9h 45mDelta
Deal found 9/17$309

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 September 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

NewarkSpokane

EWR - GEG

EWRGEG

Newark

Sat 11/8

6:15 am-1:05 pm

1 stop9h 50m

Spokane

Wed 11/12

4:43 pm-5:46 am

1 stop10h 03m

$259

NewarkSpokane

EWR - GEG

EWRGEG

Newark

Tue 11/18

6:08 am-1:05 pm

1 stop9h 57m

Spokane

Wed 11/19

2:09 pm-11:41 pm

1 stop6h 32m

$259

NewarkSpokane

EWR - GEG

EWRGEG

Newark

Wed 11/12

6:51 am-12:03 pm

1 stop8h 12m

Spokane

Sat 11/15

2:09 pm-11:41 pm

1 stop6h 32m

$259

NewarkBoise

EWR - BOI

EWRBOI

Newark

Wed 10/8

7:00 am-1:43 pm

1 stop8h 43m

Boise Air Term. Gowen Fld

Tue 10/14

7:05 pm-5:24 am

1 stop8h 19m

$277

NewarkSpokane

EWR - GEG

EWRGEG

Newark

Wed 10/15

5:57 pm-12:27 am

1 stop9h 30m

Spokane

Wed 10/22

5:54 pm-5:59 am

1 stop9h 05m

$279

NewarkSpokane

EWR - GEG

EWRGEG

Newark

Wed 10/8

6:40 am-12:36 pm

1 stop8h 56m

Spokane

Tue 10/14

12:35 pm-12:55 am

1 stop9h 20m

$281

NewarkBoise

EWR - BOI

EWRBOI

Newark

Wed 1/14

3:45 pm-11:55 pm

1 stop10h 10m

Boise Air Term. Gowen Fld

Mon 1/19

8:30 pm-2:40 pm

1 stop16h 10m

$283

NewarkBoise

EWR - BOI

EWRBOI

Newark

Thu 10/23

7:19 am-2:36 pm

1 stop9h 17m

Boise Air Term. Gowen Fld

Sat 10/25

5:38 pm-5:59 am

1 stop10h 21m

$288

NewarkBoise

EWR - BOI

EWRBOI

Newark

Tue 3/3

3:45 pm-11:55 pm

1 stop10h 10m

Boise Air Term. Gowen Fld

Wed 3/4

8:00 am-7:02 pm

1 stop9h 02m

$289

NewarkBoise

EWR - BOI

EWRBOI

Newark

Tue 3/3

3:45 pm-11:55 pm

1 stop10h 10m

Boise Air Term. Gowen Fld

Wed 3/4

6:00 am-3:32 pm

1 stop7h 32m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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, October is the cheapest month in which you can book a flight from Newark Airport to Idaho (average of $314). Flying from Newark Airport to Idaho in June is currently the most expensive (average of $398). 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 September 17, 2025.

When flying from Newark Airport to Idaho, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
8.0
Very good
7,961 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
8,926 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

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 $277, Delta can have you in Idaho from Newark Airport in 8h 43m. 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 $129. 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?

    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 - Idaho Falls Fanning Field.

  • 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, October is the cheapest month in which you can book a flight from Newark Airport to Idaho (average of $314). Flying from Newark Airport to Idaho in June is currently the most expensive (average of $398). 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.

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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.
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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$258Average$526FlexibilityNo cancel feeOn-time71%
DeltaCheapest$268Average$603FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$285Average$675FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$318Average$400FlexibilityNo cancel feeOn-time75%

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