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$100+ 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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — BOI
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$199
(American Airlines)

One-way from

$100
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$547
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. 9% potential increase in price ($54 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Trip.com deal was found by Cheapflights users on 6/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/234:00 pmEWR - GEG
1 stop10h 59mHawaiian Airlines
Tue 9/305:46 pmGEG - EWR
1 stop9h 13mHawaiian Airlines
Deal found 6/10$198
This American Airlines deal was found by Cheapflights users on 6/11. 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 9/57:30 amEWR - GEG
1 stop8h 14mAmerican Airlines
Wed 9/101:30 pmGEG - EWR
1 stop7h 29mAmerican Airlines
Deal found 6/11$199
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 9/97:19 amEWR - GEG
1 stop8h 24mAlaska Airlines
Tue 9/94:35 pmGEG - EWR
1 stop10h 24mAlaska Airlines
Deal found 6/11$205
This Delta deal was found by Cheapflights users on 6/9. 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.
Sat 9/66:00 amEWR - GEG
2 stops8h 56mDelta
Sat 9/205:00 pmGEG - EWR
1 stop10h 10mDelta
Deal found 6/9$256
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 8/264:43 pmEWR - BOI
1 stop9h 00mAlaska Airlines
Tue 9/95:45 pmBOI - EWR
1 stop10h 14mAlaska Airlines
Deal found 6/10$258
This Delta deal was found by Cheapflights users on 6/10. 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.
Sat 8/236:52 pmEWR - BOI
1 stop7h 04mDelta
Sat 9/63:06 pmBOI - EWR
1 stop6h 19mDelta
Deal found 6/10$259
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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.
Fri 7/187:20 amEWR - BOI
1 stop13h 32mSpirit Airlines
Mon 7/217:48 pmBOI - EWR
1 stop8h 17mSpirit Airlines
Deal found 6/10$262
This American Airlines deal was found by Cheapflights users on 6/11. 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 8/256:59 amEWR - BOI
1 stop7h 20mAmerican Airlines
Wed 9/31:17 pmBOI - EWR
1 stop8h 42mAmerican Airlines
Deal found 6/11$278
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 7/46:05 amEWR - GEG
1 stop9h 30mUnited Airlines
Tue 7/86:25 pmGEG - EWR
1 stop8h 11mUnited Airlines
Deal found 6/10$281
This American Airlines deal was found by Cheapflights users on 6/12. 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 9/512:31 pmEWR - JAC
1 stop9h 28mAmerican Airlines
Tue 9/93:25 pmJAC - EWR
1 stop6h 34mAmerican Airlines
Deal found 6/12$289
This Mytrip deal was found by Cheapflights users on 6/10. 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 7/171:12 pmEWR - GEG
2 stops30h 50mMultiple Airlines
Mon 7/215:52 pmGEG - EWR
1 stop17h 08mMultiple Airlines
Deal found 6/10$295
This Delta deal was found by Cheapflights users on 6/12. 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.
Sat 9/610:33 amEWR - JAC
2 stops11h 20mDelta
Tue 9/97:30 amJAC - EWR
2 stops11h 30mDelta
Deal found 6/12$299

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 June 12, 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

Fri 9/5

7:30 am-12:44 pm

1 stop8h 14m

Spokane

Wed 9/10

1:30 pm-11:59 pm

1 stop7h 29m

$199

NewarkSpokane

EWR - GEG

EWRGEG

Newark

Tue 9/9

7:19 am-12:43 pm

1 stop8h 24m

Spokane

Tue 9/9

4:35 pm-5:59 am

1 stop10h 24m

$205

NewarkSpokane

EWR - GEG

EWRGEG

Newark

Sat 9/6

6:00 am-11:56 am

2 stops8h 56m

Spokane

Sat 9/20

5:00 pm-6:10 am

1 stop10h 10m

$256

NewarkBoise

EWR - BOI

EWRBOI

Newark

Tue 8/26

4:43 pm-11:43 pm

1 stop9h 00m

Boise Air Term. Gowen Fld

Tue 9/9

5:45 pm-5:59 am

1 stop10h 14m

$258

NewarkBoise

EWR - BOI

EWRBOI

Newark

Sat 8/23

6:52 pm-11:56 pm

1 stop7h 04m

Boise Air Term. Gowen Fld

Sat 9/6

3:06 pm-11:25 pm

1 stop6h 19m

$259

NewarkBoise

EWR - BOI

EWRBOI

Newark

Fri 7/18

7:20 am-6:52 pm

1 stop13h 32m

Boise Air Term. Gowen Fld

Mon 7/21

7:48 pm-6:05 am

1 stop8h 17m

$262

NewarkBoise

EWR - BOI

EWRBOI

Newark

Mon 8/25

6:59 am-12:19 pm

1 stop7h 20m

Boise Air Term. Gowen Fld

Wed 9/3

1:17 pm-11:59 pm

1 stop8h 42m

$278

NewarkSpokane

EWR - GEG

EWRGEG

Newark

Fri 7/4

6:05 am-12:35 pm

1 stop9h 30m

Spokane

Tue 7/8

6:25 pm-5:36 am

1 stop8h 11m

$281

NewarkJackson

EWR - JAC

EWRJAC

Newark

Fri 9/5

12:31 pm-7:59 pm

1 stop9h 28m

Jackson Hole

Tue 9/9

3:25 pm-11:59 pm

1 stop6h 34m

$289

NewarkSpokane

EWR - GEG

EWRGEG

Newark

Thu 7/17

1:12 pm-5:02 pm

2 stops30h 50m

Spokane

Mon 7/21

5:52 pm-2:00 pm

1 stop17h 08m

$295

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 $395). 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 June 12, 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.

Rainfall in Idaho by month

Plan your trip to Idaho by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

Plan your trip to Idaho by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

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 June 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and Hawaiian Airlines from New York to Idaho. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $100. However, be on the lookout for offers from Delta and Spirit 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 - Spokane or Newark - Boise Air Term. Gowen Fld.

  • 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 $395). 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 5 airlines flying from Newark to Idaho

Discover the top 5 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$232Average$265FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$268Average$531FlexibilityNo cancel feeOn-time71%
DeltaCheapest$268Average$608FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$285Average$717FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$318Average$401FlexibilityNo cancel feeOn-time75%

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