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Idaho

$89+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — BOI
Aug 26 — Sep 21
Tue 8/26
Tue 9/2
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 August 21, 2025.

Round-trip from

$227
(American Airlines)

One-way from

$89
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$470
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 ($56 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($24 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 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 August 21, 2025.

This Mytrip deal was found by Cheapflights users on 8/20. 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 9/46:59 amEWR - BOI
1 stop8h 22mSpirit Airlines
Mon 9/89:26 pmBOI - EWR
2 stops21h 35mSpirit Airlines
Deal found 8/20$228
This United Airlines deal was found by Cheapflights users on 8/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/296:00 amEWR - BOI
1 stop7h 39mUnited Airlines
Wed 11/58:25 amBOI - EWR
1 stop8h 04mUnited Airlines
Deal found 8/21$235
This Cheapflightsfares deal was found by Cheapflights users on 8/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/76:59 amEWR - BOI
1 stop8h 22mSpirit Airlines
Thu 9/112:16 pmBOI - EWR
1 stop13h 38mSpirit Airlines
Deal found 8/20$237
This Kiwi.com deal was found by Cheapflights users on 8/20. 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.
Mon 9/85:15 amEWR - BOI
2 stops17h 16mSpirit Airlines
Fri 9/129:26 pmBOI - EWR
1 stop30h 28mSpirit Airlines
Deal found 8/20$245
This Alaska Airlines deal was found by Cheapflights users on 8/19. 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 10/17:30 amEWR - GEG
1 stop9h 26mAlaska Airlines
Tue 10/77:34 pmGEG - EWR
1 stop7h 25mAlaska Airlines
Deal found 8/19$250
This Delta deal was found by Cheapflights users on 8/21. 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.
Wed 10/16:15 amEWR - GEG
1 stop10h 02mDelta
Sat 10/42:23 pmGEG - EWR
1 stop6h 04mDelta
Deal found 8/21$251
This Delta deal was found by Cheapflights users on 8/21. 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.
Wed 10/16:15 amEWR - GEG
1 stop10h 02mDelta
Tue 10/77:23 pmGEG - EWR
2 stops10h 20mDelta
Deal found 8/21$256
This Gotogate deal was found by Cheapflights users on 8/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/56:59 amEWR - BOI
1 stop15h 32mSpirit Airlines
Thu 9/112:16 pmBOI - EWR
2 stops17h 42mSpirit Airlines
Deal found 8/20$256
This Orbitz deal was found by Cheapflights users on 8/21. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/256:59 amEWR - BOI
1 stop8h 22mMultiple Airlines
Tue 9/305:45 pmBOI - EWR
1 stop10h 14mMultiple Airlines
Deal found 8/21$258
This Orbitz deal was found by Cheapflights users on 8/20. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/246:59 amEWR - BOI
1 stop14h 57mMultiple Airlines
Tue 10/286:28 amBOI - EWR
1 stop8h 38mMultiple Airlines
Deal found 8/20$260
This Alaska Airlines deal was found by Cheapflights users on 8/20. 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.
Tue 9/167:19 amEWR - BOI
1 stop8h 29mAlaska Airlines
Tue 9/165:45 pmBOI - EWR
1 stop10h 14mAlaska Airlines
Deal found 8/20$263
This United Airlines deal was found by Cheapflights users on 8/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/36:00 amEWR - BOI
1 stop7h 31mUnited Airlines
Wed 9/37:09 pmBOI - EWR
1 stop8h 30mUnited Airlines
Deal found 8/21$264

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 August 21, 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

Thu 9/4

6:59 am-1:21 pm

1 stop8h 22m

Boise Air Term. Gowen Fld

Mon 9/8

9:26 pm-9:01 pm

2 stops21h 35m

$228

NewarkBoise

EWR - BOI

EWRBOI

Newark

Fri 9/5

6:59 am-8:31 pm

1 stop15h 32m

Boise Air Term. Gowen Fld

Tue 9/9

6:35 am-4:48 pm

1 stop8h 13m

$231

NewarkBoise

EWR - BOI

EWRBOI

Newark

Fri 9/5

6:59 am-8:31 pm

1 stop15h 32m

Boise Air Term. Gowen Fld

Thu 9/11

2:16 pm-5:54 am

1 stop13h 38m

$235

NewarkBoise

EWR - BOI

EWRBOI

Newark

Sun 9/7

6:59 am-1:21 pm

1 stop8h 22m

Boise Air Term. Gowen Fld

Thu 9/11

2:16 pm-5:54 am

1 stop13h 38m

$237

NewarkBoise

EWR - BOI

EWRBOI

Newark

Mon 9/8

5:15 am-8:31 pm

2 stops17h 16m

Boise Air Term. Gowen Fld

Fri 9/12

9:26 pm-5:54 am

1 stop30h 28m

$245

NewarkBoise

EWR - BOI

EWRBOI

Newark

Mon 10/20

6:59 am-7:56 pm

1 stop14h 57m

Boise Air Term. Gowen Fld

Thu 10/23

2:25 pm-6:20 am

1 stop13h 55m

$247

NewarkSpokane

EWR - GEG

EWRGEG

Newark

Wed 10/1

7:30 am-1:56 pm

1 stop9h 26m

Spokane

Tue 10/7

7:34 pm-5:59 am

1 stop7h 25m

$250

NewarkSpokane

EWR - GEG

EWRGEG

Newark

Wed 10/1

7:30 am-1:56 pm

1 stop9h 26m

Spokane

Tue 10/7

5:54 pm-5:59 am

1 stop9h 05m

$250

NewarkSpokane

EWR - GEG

EWRGEG

Newark

Tue 9/9

7:30 am-1:56 pm

1 stop9h 26m

Spokane

Tue 9/16

1:25 pm-5:59 am

1 stop13h 34m

$250

NewarkSpokane

EWR - GEG

EWRGEG

Newark

Wed 9/17

5:48 pm-11:11 pm

1 stop8h 23m

Spokane

Wed 9/24

1:25 pm-5:59 am

1 stop13h 34m

$250

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

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 $399). 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 August 21, 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 August 21, 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

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
United Airlines
7.4
Good
8,934 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

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 $228, Spirit Airlines can have you in Idaho from Newark Airport in 8h 22m. 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 Spirit Airlines, with whom users have recently found tickets for as low as $89. However, be on the lookout for offers from American Airlines and Hawaiian 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, 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 $399). 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.
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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 August 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$258Average$529FlexibilityNo cancel feeOn-time71%
DeltaCheapest$268Average$606FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$285Average$705FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$318Average$400FlexibilityNo cancel feeOn-time75%

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