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Idaho

$149+ 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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — BOI
Jun 15 — Jun 221
Mon 6/15
Mon 6/22
1 adult, Economy
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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 May 16, 2026.

This Delta deal was found by Cheapflights users on 5/13. 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.
Tue 9/86:00 am
EWR
-
BOI
1 stop10h 03m
Delta
Sat 9/121:43 pm
BOI
-
EWR
1 stop8h 22m
Delta
Deal found 5/13$297
This American Airlines deal was found by Cheapflights users on 5/15. 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.
Tue 9/227:25 am
EWR
-
BOI
2 stops11h 25m
American Airlines
Tue 9/291:18 pm
BOI
-
EWR
1 stop6h 42m
American Airlines
Deal found 5/15$302
This American Airlines deal was found by Cheapflights users on 5/13. 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.
Tue 9/157:25 am
EWR
-
GEG
1 stop7h 15m
American Airlines
Tue 9/293:50 pm
GEG
-
EWR
1 stop10h 41m
American Airlines
Deal found 5/13$303
This Delta deal was found by Cheapflights users on 5/12. 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 6/66:00 am
EWR
-
GEG
1 stop8h 21m
Delta
Mon 6/810:48 pm
GEG
-
EWR
1 stop7h 38m
Delta
Deal found 5/12$315
This Delta deal was found by Cheapflights users on 5/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/246:45 pm
EWR
-
BOI
1 stop7h 01m
Delta
Tue 7/282:50 pm
BOI
-
EWR
1 stop7h 06m
Delta
Deal found 5/11$318
This Delta deal was found by Cheapflights users on 5/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/97:05 am
EWR
-
GEG
2 stops12h 03m
Delta
Tue 7/145:10 pm
GEG
-
EWR
1 stop9h 50m
Delta
Deal found 5/11$320
This American Airlines deal was found by Cheapflights users on 5/13. 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.
Tue 8/1812:21 pm
EWR
-
BOI
2 stops12h 19m
American Airlines
Tue 8/256:44 am
BOI
-
EWR
1 stop10h 52m
American Airlines
Deal found 5/13$323
This Delta deal was found by Cheapflights users on 5/12. 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.
Thu 7/96:15 am
EWR
-
GEG
1 stop8h 24m
Delta
Thu 7/165:10 pm
GEG
-
EWR
1 stop9h 50m
Delta
Deal found 5/12$327
This Alaska Airlines deal was found by Cheapflights users on 5/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:20 am
EWR
-
BOI
1 stop10h 10m
Alaska Airlines
Sun 9/131:29 pm
BOI
-
EWR
1 stop8h 00m
Alaska Airlines
Deal found 5/12$339
This Delta deal was found by Cheapflights users on 5/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/121:23 pm
EWR
-
GEG
2 stops12h 46m
Delta
Fri 8/2110:56 pm
GEG
-
EWR
1 stop8h 33m
Delta
Deal found 5/11$346
This Alaska Airlines deal was found by Cheapflights users on 5/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:17 am
EWR
-
IDA
1 stop10h 00m
Alaska Airlines
Sat 11/146:04 am
IDA
-
EWR
1 stop8h 57m
Alaska Airlines
Deal found 5/12$349
This Delta deal was found by Cheapflights users on 5/14. 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 9/116:00 am
EWR
-
GEG
1 stop10h 07m
Delta
Mon 9/145:00 pm
GEG
-
EWR
1 stop10h 08m
Delta
Deal found 5/14$353

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 May 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$297
(Delta)

One-way from

$149
(United Airlines)

Popular in

March

Cheapest in

January

Average price

$527
Provider with most accurate pricing for New York (NYC)-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Boise Air Term. Gowen Fld flights.
Search Deals
From Newark to Idaho
Search Deals
One-way flight from Newark to Idaho
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($111 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 May 16, 2026.
Use the filters below to find and compare flights from Newark Airport to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NewarkBoise

EWR - BOI

EWRBOI

Newark

Fri 7/10

6:45 pm-11:46 pm

1 stop7h 01m

Boise Air Term. Gowen Fld

Sun 7/12

11:42 pm-10:29 am

1 stop8h 47m

$297

NewarkBoise

EWR - BOI

EWRBOI

Newark

Tue 6/2

6:29 pm-11:03 am

1 stop18h 34m

Boise Air Term. Gowen Fld

Tue 6/9

6:35 am-4:56 pm

1 stop8h 21m

$318

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Wed 11/11

7:17 am-3:17 pm

1 stop10h 00m

Idaho Falls Fanning Field

Sat 11/14

6:04 am-6:56 pm

1 stop10h 52m

$349

NewarkSpokane

EWR - GEG

EWRGEG

Newark

Sat 7/11

6:15 am-11:39 am

1 stop8h 24m

Spokane

Fri 7/17

7:08 pm-6:00 am

1 stop7h 52m

$379

NewarkSpokane

EWR - GEG

EWRGEG

Newark

Tue 9/22

7:20 am-12:39 pm

1 stop8h 19m

Spokane

Sat 9/26

12:46 pm-11:29 pm

1 stop7h 43m

$379

NewarkBoise

EWR - BOI

EWRBOI

Newark

Wed 7/8

6:45 pm-11:46 pm

1 stop7h 01m

Boise Air Term. Gowen Fld

Sun 7/12

11:42 pm-10:29 am

1 stop8h 47m

$379

NewarkBoise

EWR - BOI

EWRBOI

Newark

Sat 5/30

6:15 am-1:18 pm

1 stop9h 03m

Boise Air Term. Gowen Fld

Sat 6/6

1:53 pm-12:04 am

1 stop8h 11m

$394

NewarkSpokane

EWR - GEG

EWRGEG

Newark

Tue 6/9

6:00 am-1:18 pm

2 stops10h 18m

Spokane

Tue 6/16

7:08 pm-6:00 am

1 stop7h 52m

$396

NewarkSpokane

EWR - GEG

EWRGEG

Newark

Thu 7/9

6:15 am-11:39 am

1 stop8h 24m

Spokane

Sun 7/12

7:08 pm-6:00 am

1 stop7h 52m

$403

NewarkBoise

EWR - BOI

EWRBOI

Newark

Mon 6/15

7:00 am-4:44 pm

1 stop11h 44m

Boise Air Term. Gowen Fld

Wed 6/17

7:05 pm-7:00 am

1 stop9h 55m

$407

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/13

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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

How far ahead should I book a flight from Newark Airport to Idaho?

To ensure you get the cheapest price possible for a flight from Newark Airport to Idaho, you should look to book at least 66 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Newark Airport to Idaho?

Currently, April is the cheapest month in which you can book a flight from Newark Airport to Idaho (average of $112). Flying from Newark Airport to Idaho in January is currently the most expensive (average of $400). 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.

How much does it cost to fly round-trip from Newark Airport to Idaho?

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 May 16, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andUnited 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
7.9
Good
12,372 reviews

Crew

8.5

Overall

7.9

Entertainment

7.0

Food

7.0

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Alaska Airlines
7.9
Good
12,372 reviews
Alaska Airlines
7.9
Good
12,372 reviews

Crew

8.5

Overall

7.9

Entertainment

7.0

Food

7.0

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Delta
7.9
Good
8,454 reviews
Alaska Airlines
7.9
Good
12,372 reviews

Crew

8.5

Overall

7.9

Entertainment

7.0

Food

7.0

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
United Airlines
7.4
Good
9,729 reviews
Alaska Airlines
7.9
Good
12,372 reviews

Crew

8.5

Overall

7.9

Entertainment

7.0

Food

7.0

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
American Airlines
7.1
Good
11,662 reviews
Alaska Airlines
7.9
Good
12,372 reviews

Crew

8.5

Overall

7.9

Entertainment

7.0

Food

7.0

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

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 $297, Delta can have you in Idaho from Newark Airport in 7h 01m. 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 $145. However, be on the lookout for offers from American Airlines and United 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, April is the cheapest month in which you can book a flight from Newark Airport to Idaho (average of $112). Flying from Newark Airport to Idaho in January is currently the most expensive (average of $400). 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 May 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$258Average$473FlexibilityNo cancel feeOn-time71%
DeltaCheapest$268Average$550FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$338Average$503FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$343Average$617FlexibilityNo cancel feeOn-time69%

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