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Idaho

$126+ Cheap flights from Pennsylvania 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BOI
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheap flight deals from Pennsylvania to Idaho

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

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$251
(Delta)

One-way from

$150
(Delta)

Popular in

November

Cheapest in

September

Average price

$442
Provider with most accurate pricing for Philadelphia-Boise Air Term. Gowen Fld flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-Boise Air Term. Gowen Fld flights.
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From Pennsylvania to Idaho
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One-way flight from Pennsylvania to Idaho
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Highest demand for flights based on searches. 14% potential increase in price ($89 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Pennsylvania to Idaho

Cheapest flights from Pennsylvania to Idaho
Explore the most affordable flight options available from Pennsylvania to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

This Delta deal was found by Cheapflights users on 4/16. 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.
Tue 5/275:00 pmJFK - GEG
1 stop8h 50mDelta
Sat 5/317:00 amGEG - JFK
1 stop6h 55mDelta
Deal found 4/16$245
This Delta deal was found by Cheapflights users on 4/16. 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.
Tue 5/206:35 pmEWR - GEG
1 stop7h 40mDelta
Sat 5/241:00 pmGEG - EWR
1 stop8h 10mDelta
Deal found 4/16$245
This Delta deal was found by Cheapflights users on 4/16. 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.
Tue 7/84:00 pmLGA - GEG
1 stop8h 56mDelta
Tue 7/1510:59 pmGEG - LGA
1 stop7h 47mDelta
Deal found 4/16$251
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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.
Tue 5/67:20 amJFK - GEG
1 stop10h 06mAlaska Airlines
Tue 5/65:49 pmGEG - JFK
1 stop9h 11mAlaska Airlines
Deal found 4/16$267
This American Airlines deal was found by Cheapflights users on 4/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/117:25 amLGA - GEG
1 stop8h 46mAmerican Airlines
Fri 6/131:51 pmGEG - LGA
1 stop6h 54mAmerican Airlines
Deal found 4/17$275
This United Airlines deal was found by Cheapflights users on 4/16. 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.
Tue 7/86:05 amEWR - GEG
1 stop9h 30mUnited Airlines
Tue 7/156:25 pmGEG - EWR
1 stop8h 11mUnited Airlines
Deal found 4/16$280
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/67:20 amJFK - GEG
1 stop8h 11mHawaiian Airlines
Fri 5/97:27 pmGEG - JFK
1 stop7h 33mHawaiian Airlines
Deal found 4/16$283
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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.
Wed 9/104:35 pmEWR - GEG
1 stop9h 35mAlaska Airlines
Mon 9/155:49 pmGEG - EWR
1 stop9h 10mAlaska Airlines
Deal found 4/16$300
This American Airlines deal was found by Cheapflights users on 4/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/116:59 amEWR - GEG
1 stop8h 36mAmerican Airlines
Tue 9/161:39 pmGEG - EWR
1 stop7h 20mAmerican Airlines
Deal found 4/16$301
This Delta deal was found by Cheapflights users on 4/17. 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.
Sat 5/243:00 pmPHL - GEG
1 stop7h 51mDelta
Tue 5/275:40 pmGEG - PHL
2 stops12h 29mDelta
Deal found 4/17$312
This American Airlines deal was found by Cheapflights users on 4/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/127:20 amPHL - GEG
1 stop8h 15mAmerican Airlines
Sat 8/301:39 pmGEG - PHL
1 stop7h 20mAmerican Airlines
Deal found 4/17$315
This American Airlines deal was found by Cheapflights users on 4/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2312:45 pmJFK - GEG
1 stop10h 42mAmerican Airlines
Sat 8/309:12 amGEG - JFK
1 stop11h 02mAmerican Airlines
Deal found 4/17$321

Cheapflights Fare Finder

Customize your flight search to find flights from Pennsylvania 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 April 17, 2025.
Use the filters below to find and compare flights from Pennsylvania to Idaho that are best for you.

Fly from

Pennsylvania

Fly to

Idaho

Route

Depart

Return

Price

New YorkSpokane

JFK - GEG

JFKGEG

New York John F Kennedy Intl

Tue 5/27

5:00 pm-10:50 pm

1 stop8h 50m

Spokane

Sat 5/31

7:00 am-4:55 pm

1 stop6h 55m

$245

NewarkSpokane

EWR - GEG

EWRGEG

Newark

Tue 5/20

6:35 pm-11:15 pm

1 stop7h 40m

Spokane

Sat 5/24

1:00 pm-12:10 am

1 stop8h 10m

$245

New YorkSpokane

LGA - GEG

LGAGEG

New York LaGuardia

Tue 7/8

4:00 pm-9:56 pm

1 stop8h 56m

Spokane

Tue 7/15

10:59 pm-9:46 am

1 stop7h 47m

$251

New YorkSpokane

JFK - GEG

JFKGEG

New York John F Kennedy Intl

Tue 5/6

7:20 am-2:26 pm

1 stop10h 06m

Spokane

Tue 5/6

5:49 pm-6:00 am

1 stop9h 11m

$267

New YorkSpokane

LGA - GEG

LGAGEG

New York LaGuardia

Wed 6/11

7:25 am-1:11 pm

1 stop8h 46m

Spokane

Fri 6/13

1:51 pm-11:45 pm

1 stop6h 54m

$275

NewarkSpokane

EWR - GEG

EWRGEG

Newark

Tue 7/8

6:05 am-12:35 pm

1 stop9h 30m

Spokane

Tue 7/15

6:25 pm-5:36 am

1 stop8h 11m

$280

New YorkSpokane

JFK - GEG

JFKGEG

New York John F Kennedy Intl

Tue 5/6

7:20 am-12:31 pm

1 stop8h 11m

Spokane

Fri 5/9

7:27 pm-6:00 am

1 stop7h 33m

$283

PhiladelphiaSpokane

PHL - GEG

PHLGEG

Philadelphia

Sat 5/24

3:00 pm-7:51 pm

1 stop7h 51m

Spokane

Tue 5/27

5:40 pm-9:09 am

2 stops12h 29m

$312

PhiladelphiaSpokane

PHL - GEG

PHLGEG

Philadelphia

Tue 8/12

7:20 am-12:35 pm

1 stop8h 15m

Spokane

Sat 8/30

1:39 pm-11:59 pm

1 stop7h 20m

$315

NewarkSpokane

EWR - GEG

EWRGEG

Newark

Sat 5/24

2:00 pm-8:38 am

1 stop21h 38m

Spokane

Fri 5/30

6:03 pm-10:04 pm

2 stops25h 01m

$324

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 60 results
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Best time to book a flight from Pennsylvania to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from Pennsylvania 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 Pennsylvania to Idaho

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

Currently, October is the cheapest month in which you can book a flight from Pennsylvania to Idaho (average of $314). Flying from Pennsylvania to Idaho in June is currently the most expensive (average of $419). 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 PA to ID?

Find hourly flight availability from Pennsylvania 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 April 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Pennsylvania to Idaho as you normally would.

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 April 17, 2025.
To help decide which airline to fly from Pennsylvania to Idaho, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,882 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,882 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,280 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,917 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Hawaiian Airlines
7.9
Good
2,382 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Qatar Airways
7.4
Good
3,554 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

Find useful and relevant information for your journey from Pennsylvania 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 Pennsylvania to Idaho one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $150. However, be on the lookout for offers from United Airlines and American Airlines, as they are both options that can get you from Pennsylvania to Idaho for a low price.

  • Can I find deals for flights from Pennsylvania to Idaho that include hotel bookings?

    Yes. In addition to deals on Pennsylvania to Idaho flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pennsylvania to Idaho?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pennsylvania to Idaho.

  • Can I find deals for business class flights from Pennsylvania to Idaho?

    Yes. Cheapflights offers flight deals from Pennsylvania 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 Pennsylvania to Idaho?

    Currently, October is the cheapest month in which you can book a flight from Pennsylvania to Idaho (average of $314). Flying from Pennsylvania to Idaho in June is currently the most expensive (average of $419). 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 Pennsylvania to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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LaGuardia to Fort Lauderdale flights
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Top 5 airlines flying from Pennsylvania to Idaho

Discover the top 5 airlines that operate flights from Pennsylvania 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$160Average$312FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$213Average$626FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$595FlexibilityNo cancel feeOn-time71%
DeltaCheapest$308Average$551FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$362Average$426FlexibilityNo cancel feeOn-time63%

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