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$106+ 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — BOI
jul. 8 — jul. 151
mar. 7/8
mar. 7/15
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 julio 3, 2025.

Round-trip from

$229
(FlightHub)

One-way from

$106
(FlightHub)

Popular in

December

Cheapest in

January

Average price

$491
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 ($55 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 July 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 julio 3, 2025.

This FlightHub deal was found by Cheapflights users on 7/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/46:55 amEWR - BOI
1 stop13h 55mSpirit Airlines
lun. 9/89:16 pmBOI - EWR
1 stop30h 43mSpirit Airlines
Deal found 7/2$229
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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.
mié. 10/17:19 amEWR - GEG
1 stop8h 27mAlaska Airlines
mar. 10/71:44 pmGEG - EWR
1 stop13h 14mAlaska Airlines
Deal found 7/1$250
This Delta deal was found by Cheapflights users on 7/1. 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.
mar. 8/266:52 pmEWR - BOI
1 stop7h 04mDelta
mar. 9/95:30 amBOI - EWR
1 stop6h 29mDelta
Deal found 7/1$259
This Mytrip deal was found by Cheapflights users on 7/2. 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.
jue. 8/146:55 amEWR - GEG
1 stop11h 01mMultiple Airlines
dom. 8/173:46 pmGEG - EWR
1 stop11h 04mMultiple Airlines
Deal found 7/2$261
This American Airlines deal was found by Cheapflights users on 7/3. 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.
mar. 9/237:30 amEWR - GEG
1 stop8h 14mAmerican Airlines
mar. 9/301:30 pmGEG - EWR
1 stop7h 29mAmerican Airlines
Deal found 7/3$281
This Delta deal was found by Cheapflights users on 7/1. 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.
mar. 9/304:50 pmEWR - GEG
2 stops9h 45mDelta
mié. 10/16:50 amGEG - EWR
1 stop8h 10mDelta
Deal found 7/1$289
This Kiwi.com deal was found by Cheapflights users on 7/2. 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.
vie. 10/105:57 pmEWR - GEG
1 stop9h 21mHawaiian Airlines
lun. 10/135:54 pmGEG - EWR
1 stop9h 05mHawaiian Airlines
Deal found 7/2$314
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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.
sáb. 10/117:29 pmEWR - BOI
1 stop16h 06mAlaska Airlines
dom. 10/193:37 pmBOI - EWR
1 stop12h 21mAlaska Airlines
Deal found 7/2$323
This American Airlines deal was found by Cheapflights users on 7/2. 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.
mar. 7/295:00 amEWR - BOI
2 stops10h 18mAmerican Airlines
mar. 8/55:17 pmBOI - EWR
1 stop10h 18mAmerican Airlines
Deal found 7/2$324
This Mytrip deal was found by Cheapflights users on 7/2. 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.
jue. 7/1710:50 amEWR - IDA
2 stops26h 54mMultiple Airlines
lun. 7/216:12 pmIDA - EWR
1 stop9h 53mMultiple Airlines
Deal found 7/2$329
This Mytrip deal was found by Cheapflights users on 6/30. 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.
jue. 8/216:55 amEWR - BOI
1 stop12h 16mMultiple Airlines
jue. 8/286:48 pmBOI - EWR
2 stops20h 06mMultiple Airlines
Deal found 6/30$329
This Delta deal was found by Cheapflights users on 6/30. 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.
mié. 9/177:20 amEWR - IDA
1 stop7h 06mDelta
mar. 9/236:51 pmIDA - EWR
1 stop9h 14mDelta
Deal found 6/30$339

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 julio 3, 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

jue. 9/4

6:55 am-6:50 pm

1 stop13h 55m

Boise Air Term. Gowen Fld

lun. 9/8

9:16 pm-5:59 am

1 stop30h 43m

$229

NewarkSpokane

EWR - GEG

EWRGEG

Newark

mié. 10/1

7:19 am-12:46 pm

1 stop8h 27m

Spokane

mar. 10/7

1:44 pm-5:58 am

1 stop13h 14m

$250

NewarkBoise

EWR - BOI

EWRBOI

Newark

mar. 8/26

6:52 pm-11:56 pm

1 stop7h 04m

Boise Air Term. Gowen Fld

mar. 9/9

5:30 am-1:59 pm

1 stop6h 29m

$259

NewarkSpokane

EWR - GEG

EWRGEG

Newark

jue. 8/14

6:55 am-2:56 pm

1 stop11h 01m

Spokane

dom. 8/17

3:46 pm-5:50 am

1 stop11h 04m

$261

NewarkSpokane

EWR - GEG

EWRGEG

Newark

mar. 9/23

7:30 am-12:44 pm

1 stop8h 14m

Spokane

mar. 9/30

1:30 pm-11:59 pm

1 stop7h 29m

$281

NewarkSpokane

EWR - GEG

EWRGEG

Newark

mar. 9/30

4:50 pm-11:35 pm

2 stops9h 45m

Spokane

mié. 10/1

6:50 am-6:00 pm

1 stop8h 10m

$289

NewarkBoise

EWR - BOI

EWRBOI

Newark

sáb. 10/11

7:29 pm-9:35 am

1 stop16h 06m

Boise Air Term. Gowen Fld

dom. 10/19

3:37 pm-5:58 am

1 stop12h 21m

$323

NewarkBoise

EWR - BOI

EWRBOI

Newark

mar. 7/29

5:00 am-1:18 pm

2 stops10h 18m

Boise Air Term. Gowen Fld

mar. 8/5

5:17 pm-5:35 am

1 stop10h 18m

$324

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

jue. 7/17

10:50 am-11:44 am

2 stops26h 54m

Idaho Falls Fanning Field

lun. 7/21

6:12 pm-6:05 am

1 stop9h 53m

$329

NewarkBoise

EWR - BOI

EWRBOI

Newark

jue. 8/21

6:55 am-5:11 pm

1 stop12h 16m

Boise Air Term. Gowen Fld

jue. 8/28

6:48 pm-4:54 pm

2 stops20h 06m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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 julio 3, 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 julio 3, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and Hawaiian 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

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

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

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

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
7,970 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

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
7.8
Good
2,545 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

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
8,845 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

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

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

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 Spirit Airlines, with whom users have recently found tickets for as low as $106. However, be on the lookout for offers from Hawaiian Airlines and Alaska 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 $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.

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 julio 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$232Average$261FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$258Average$484FlexibilityNo cancel feeOn-time71%
DeltaCheapest$268Average$608FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$285Average$716FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$318Average$401FlexibilityNo cancel feeOn-time75%

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