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$120+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BOI
abr. 5 — abr. 121
sáb. 4/5
sáb. 4/12
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 marzo 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$238
(Alaska Airlines)

One-way from

$120
(American Airlines)

Popular in

November

Cheapest in

April

Average price

$450
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 ($86 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in March 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 marzo 31, 2025.

This Alaska Airlines deal was found by Cheapflights users on 3/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/298:08 pmJFK - GEG
1 stop20h 25mAlaska Airlines
mar. 5/65:49 pmGEG - JFK
1 stop9h 11mAlaska Airlines
Deal found 3/30$238
This American Airlines deal was found by Cheapflights users on 3/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/75:45 amLGA - GEG
1 stop10h 26mAmerican Airlines
mar. 6/101:51 pmGEG - LGA
1 stop6h 54mAmerican Airlines
Deal found 3/30$239
This Delta deal was found by Cheapflights users on 3/30. 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.
mar. 5/136:00 amJFK - GEG
1 stop8h 29mDelta
mar. 5/2011:15 amGEG - JFK
1 stop10h 20mDelta
Deal found 3/30$239
This Delta deal was found by Cheapflights users on 3/30. 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.
mar. 4/296:53 pmEWR - GEG
1 stop8h 03mDelta
mar. 5/65:05 pmGEG - EWR
1 stop9h 36mDelta
Deal found 3/30$239
This American Airlines deal was found by Cheapflights users on 3/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/292:30 pmJFK - GEG
2 stops11h 29mAmerican Airlines
mar. 5/63:18 pmGEG - JFK
1 stop11h 17mAmerican Airlines
Deal found 3/30$244
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/257:00 amIAD - BOI
1 stop8h 31mAlaska Airlines
lun. 4/282:41 pmBOI - IAD
1 stop7h 42mAlaska Airlines
Deal found 3/30$265
This Delta deal was found by Cheapflights users on 3/30. 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.
lun. 4/216:52 pmIAD - BOI
1 stop7h 11mDelta
mié. 4/303:30 pmBOI - IAD
1 stop6h 10mDelta
Deal found 3/30$266
This United Airlines deal was found by Cheapflights users on 3/31. 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.
vie. 4/253:29 pmLGA - GEG
1 stop8h 21mUnited Airlines
mar. 4/291:40 pmGEG - LGA
1 stop6h 50mUnited Airlines
Deal found 3/31$269
This Delta deal was found by Cheapflights users on 3/31. 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.
vie. 4/255:00 pmLGA - GEG
2 stops9h 44mDelta
mar. 4/297:25 pmGEG - LGA
2 stops10h 22mDelta
Deal found 3/31$289
This American Airlines deal was found by Cheapflights users on 3/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/77:00 amEWR - GEG
1 stop9h 11mAmerican Airlines
mar. 6/101:51 pmGEG - EWR
1 stop7h 08mAmerican Airlines
Deal found 3/30$289
This Hawaiian Airlines deal was found by Cheapflights users on 3/31. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/256:30 amIAD - BOI
1 stop9h 17mHawaiian Airlines
lun. 4/282:41 pmBOI - IAD
1 stop7h 42mHawaiian Airlines
Deal found 3/31$300
This American Airlines deal was found by Cheapflights users on 3/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/207:09 amIAD - BOI
2 stops11h 33mAmerican Airlines
sáb. 9/277:30 amBOI - IAD
2 stops12h 22mAmerican Airlines
Deal found 3/30$311

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 marzo 31, 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

mar. 4/29

8:08 pm-1:33 pm

1 stop20h 25m

Spokane

mar. 5/6

5:49 pm-6:00 am

1 stop9h 11m

$238

New YorkSpokane

LGA - GEG

LGAGEG

New York LaGuardia

sáb. 6/7

5:45 am-1:11 pm

1 stop10h 26m

Spokane

mar. 6/10

1:51 pm-11:45 pm

1 stop6h 54m

$239

New YorkSpokane

JFK - GEG

JFKGEG

New York John F Kennedy Intl

mar. 5/13

6:00 am-11:29 am

1 stop8h 29m

Spokane

mar. 5/20

11:15 am-12:35 am

1 stop10h 20m

$239

NewarkSpokane

EWR - GEG

EWRGEG

Newark

mar. 4/29

6:53 pm-11:56 pm

1 stop8h 03m

Spokane

mar. 5/6

5:05 pm-5:41 am

1 stop9h 36m

$239

New YorkSpokane

JFK - GEG

JFKGEG

New York John F Kennedy Intl

mar. 4/29

2:30 pm-10:59 pm

2 stops11h 29m

Spokane

mar. 5/6

3:18 pm-5:35 am

1 stop11h 17m

$244

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

vie. 4/25

7:00 am-1:31 pm

1 stop8h 31m

Boise Air Term. Gowen Fld

lun. 4/28

2:41 pm-12:23 am

1 stop7h 42m

$265

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

lun. 4/21

6:52 pm-12:03 am

1 stop7h 11m

Boise Air Term. Gowen Fld

mié. 4/30

3:30 pm-11:40 pm

1 stop6h 10m

$266

New YorkSpokane

LGA - GEG

LGAGEG

New York LaGuardia

vie. 4/25

3:29 pm-8:50 pm

1 stop8h 21m

Spokane

mar. 4/29

1:40 pm-11:30 pm

1 stop6h 50m

$269

NewarkSpokane

EWR - GEG

EWRGEG

Newark

sáb. 6/7

7:00 am-1:11 pm

1 stop9h 11m

Spokane

mar. 6/10

1:51 pm-11:59 pm

1 stop7h 08m

$289

New YorkSpokane

LGA - GEG

LGAGEG

New York LaGuardia

vie. 4/25

5:00 pm-11:44 pm

2 stops9h 44m

Spokane

mar. 4/29

7:25 pm-8:47 am

2 stops10h 22m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

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 marzo 31, 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 marzo 31, 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
9,818 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,276 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,342 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Qatar Airways
7.4
Good
3,541 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 American Airlines, with whom users have recently found tickets for as low as $120. However, be on the lookout for offers from Delta and Hawaiian 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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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 marzo 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$160Average$262FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$291Average$615FlexibilityNo cancel feeOn-time69%
DeltaCheapest$308Average$550FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$333Average$598FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$341Average$426FlexibilityNo cancel feeOn-time63%
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