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Idaho

$124+ 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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BOI
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
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 October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$257
(Delta)

One-way from

$124
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$474
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. 12% potential increase in price ($69 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 14, 2025.

This Delta deal was found by Cheapflights users on 10/13. 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.
Wed 11/57:05 amPHL - JAC
1 stop9h 42mDelta
Mon 11/107:00 amJAC - PHL
1 stop8h 37mDelta
Deal found 10/13$257
This Delta deal was found by Cheapflights users on 10/13. 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 11/117:00 amJFK - GEG
1 stop8h 30mDelta
Wed 11/192:09 pmGEG - JFK
1 stop6h 38mDelta
Deal found 10/13$259
This Delta deal was found by Cheapflights users on 10/13. 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.
Wed 11/56:50 amPHL - JAC
2 stops9h 57mDelta
Tue 11/1112:57 pmJAC - PHL
2 stops9h 54mDelta
Deal found 10/13$267
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:20 amJFK - GEG
2 stops31h 48mMultiple Airlines
Thu 11/204:57 pmGEG - JFK
1 stop10h 04mMultiple Airlines
Deal found 10/13$269
This American Airlines deal was found by Cheapflights users on 10/12. 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.
Wed 12/106:00 amIAD - JAC
1 stop8h 14mAmerican Airlines
Mon 12/151:04 pmJAC - IAD
1 stop7h 55mAmerican Airlines
Deal found 10/12$280
This Delta deal was found by Cheapflights users on 10/13. 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.
Wed 11/57:05 amPHL - JAC
1 stop9h 42mDelta
Wed 11/127:00 amJAC - PHL
1 stop8h 37mDelta
Deal found 10/13$281
This Delta deal was found by Cheapflights users on 10/13. 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 11/116:00 amJFK - GEG
1 stop9h 06mDelta
Mon 11/173:33 pmGEG - JFK
1 stop11h 56mDelta
Deal found 10/13$287
This Alaska Airlines deal was found by Cheapflights users on 10/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/124:27 pmJFK - GEG
1 stop10h 29mAlaska Airlines
Mon 11/172:38 pmGEG - JFK
1 stop14h 15mAlaska Airlines
Deal found 10/13$288
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/124:00 pmJFK - BOI
1 stop21h 43mFrontier
Sun 11/1612:28 pmBOI - JFK
1 stop24h 32mFrontier
Deal found 10/13$288
This Delta deal was found by Cheapflights users on 10/13. 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.
Mon 11/106:45 pmJFK - GEG
1 stop8h 14mDelta
Tue 11/181:15 pmGEG - JFK
1 stop7h 39mDelta
Deal found 10/13$289
This Delta deal was found by Cheapflights users on 10/13. 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 11/116:51 pmEWR - BOI
1 stop7h 44mDelta
Wed 11/193:04 pmBOI - EWR
1 stop6h 37mDelta
Deal found 10/13$289
This Trip.com deal was found by Cheapflights users on 10/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/157:43 amIAD - BOI
1 stop9h 29mHawaiian Airlines
Mon 11/246:00 pmBOI - IAD
1 stop10h 18mHawaiian Airlines
Deal found 10/12$290

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 October 14, 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

PhiladelphiaJackson

PHL - JAC

PHLJAC

Philadelphia

Sun 11/9

7:10 am-12:01 pm

1 stop6h 51m

Jackson Hole

Mon 11/10

7:00 am-5:37 pm

1 stop8h 37m

$257

PhiladelphiaJackson

PHL - JAC

PHLJAC

Philadelphia

Thu 11/6

7:05 am-2:47 pm

1 stop9h 42m

Jackson Hole

Mon 11/10

7:00 am-5:37 pm

1 stop8h 37m

$257

PhiladelphiaJackson

PHL - JAC

PHLJAC

Philadelphia

Wed 11/5

7:05 am-2:47 pm

1 stop9h 42m

Jackson Hole

Mon 11/10

7:00 am-5:37 pm

1 stop8h 37m

$257

New YorkSpokane

JFK - GEG

JFKGEG

New York John F Kennedy Intl

Wed 11/5

4:59 pm-10:48 pm

1 stop8h 49m

Spokane

Sat 11/8

1:15 pm-11:59 pm

1 stop7h 44m

$259

New YorkSpokane

JFK - GEG

JFKGEG

New York John F Kennedy Intl

Sat 12/6

6:29 am-12:10 pm

1 stop8h 41m

Spokane

Sat 12/13

6:00 am-4:00 pm

1 stop7h 00m

$259

New YorkSpokane

JFK - GEG

JFKGEG

New York John F Kennedy Intl

Tue 11/4

7:00 am-1:05 pm

1 stop9h 05m

Spokane

Sat 11/8

1:10 pm-11:59 pm

1 stop7h 49m

$259

PhiladelphiaJackson

PHL - JAC

PHLJAC

Philadelphia

Mon 11/10

7:10 am-12:01 pm

1 stop6h 51m

Jackson Hole

Tue 11/11

12:57 pm-12:51 am

2 stops9h 54m

$262

PhiladelphiaJackson

PHL - JAC

PHLJAC

Philadelphia

Tue 11/11

7:10 am-12:01 pm

1 stop6h 51m

Jackson Hole

Wed 11/12

7:00 am-5:37 pm

1 stop8h 37m

$281

PhiladelphiaJackson

PHL - JAC

PHLJAC

Philadelphia

Thu 11/6

7:05 am-2:47 pm

1 stop9h 42m

Jackson Hole

Wed 11/12

7:00 am-5:37 pm

1 stop8h 37m

$281

NewarkBoise

EWR - BOI

EWRBOI

Newark

Wed 11/12

4:53 pm-11:59 pm

1 stop9h 06m

Boise Air Term. Gowen Fld

Tue 11/18

6:28 am-6:29 pm

1 stop10h 01m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

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, September is the cheapest month in which you can book a flight from Pennsylvania to Idaho (average of $88). Flying from Pennsylvania to Idaho in December is currently the most expensive (average of $378). 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 October 14, 2025.

It’s optimal to fly from Pennsylvania to Idaho in the evening. By choosing this option you can save up to 38% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Pennsylvania to Idaho?

Use this chart to determine the cheapest time to fly round-trip from Pennsylvania to Idaho. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Pennsylvania to Idaho flight should consider departing on Sunday afternoons when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 14, 2025.
Read through reviews of airlines operating flights from Pennsylvania to Idaho, such as Southwest, Delta, and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,235 reviews

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,235 reviews
Southwest
8.0
Very good
4,235 reviews

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,973 reviews
Southwest
8.0
Very good
4,235 reviews

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,974 reviews
Southwest
8.0
Very good
4,235 reviews

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,045 reviews
Southwest
8.0
Very good
4,235 reviews

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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.

  • How long is the flight from Pennsylvania to Idaho?

    For as low as $257, Delta can have you in Idaho from Pennsylvania in 6h 51m. There are 1833 mi between Pennsylvania and Idaho. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $124. However, be on the lookout for offers from Alaska Airlines and Delta, 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, September is the cheapest month in which you can book a flight from Pennsylvania to Idaho (average of $88). Flying from Pennsylvania to Idaho in December is currently the most expensive (average of $378). 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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Top 4 airlines flying from Pennsylvania to Idaho

Discover the top 4 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 October 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$223Average$522FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$232Average$568FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$248Average$639FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$358Average$432FlexibilityNo cancel feeOn-time63%

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