Pennsylvania

$103+ Cheap flights from Idaho to Pennsylvania

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 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PHL
Jan 15 — Jan 221
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Cheap flight deals from Idaho to Pennsylvania

Cheapest flights from Idaho to Pennsylvania
Explore the most affordable flight options available from Idaho to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2312:02 pmGEG - LGA
1 stop30h 58mMultiple Airlines
Wed 12/318:37 pmLGA - GEG
2 stops40h 10mMultiple Airlines
Deal found 12/14$355
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1910:41 pmBOI - DCA
2 stops36h 20mMultiple Airlines
Sat 1/106:00 pmDCA - BOI
1 stop19h 17mMultiple Airlines
Deal found 12/15$356
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2312:02 pmGEG - LGA
1 stop30h 58mFrontier
Wed 12/3110:55 pmLGA - GEG
2 stops19h 58mFrontier
Deal found 12/15$365
This United Airlines deal was found by Cheapflights users on 12/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:00 amBOI - IAD
1 stop8h 34mUnited Airlines
Thu 1/15:20 pmIAD - BOI
1 stop7h 20mUnited Airlines
Deal found 12/14$375
This Southwest deal was found by Cheapflights users on 12/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:10 amBOI - DCA
1 stop8h 40mSouthwest
Thu 1/14:35 pmDCA - BOI
1 stop7h 50mSouthwest
Deal found 12/14$375
This American Airlines deal was found by Cheapflights users on 12/15. 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.
Wed 12/316:07 amGEG - LGA
1 stop9h 20mAmerican Airlines
Mon 1/52:16 pmLGA - GEG
1 stop10h 12mAmerican Airlines
Deal found 12/15$378
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:40 pmBOI - LGA
1 stop6h 55mUnited Airlines
Wed 1/75:15 pmLGA - BOI
1 stop7h 42mUnited Airlines
Deal found 12/15$383
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2312:02 pmGEG - JFK
1 stop24h 18mFrontier
Wed 12/314:29 pmJFK - GEG
2 stops26h 24mFrontier
Deal found 12/15$392
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:47 pmGEG - EWR
1 stop6h 49mUnited Airlines
Thu 1/16:00 amEWR - GEG
1 stop9h 45mUnited Airlines
Deal found 12/15$409
This American Airlines deal was found by Cheapflights users on 12/15. 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.
Wed 12/316:07 amGEG - EWR
1 stop13h 27mAmerican Airlines
Mon 1/51:59 pmEWR - GEG
1 stop10h 29mAmerican Airlines
Deal found 12/15$430
This United Airlines deal was found by Cheapflights users on 12/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/222:07 pmJAC - EWR
Nonstop4h 18mUnited Airlines
Tue 12/305:00 pmEWR - JAC
Nonstop5h 02mUnited Airlines
Deal found 12/14$434
This Delta deal was found by Cheapflights users on 12/16. 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.
Wed 12/245:55 amGEG - EWR
1 stop8h 34mDelta
Wed 12/316:29 amEWR - GEG
1 stop8h 37mDelta
Deal found 12/16$439

Find flight deals from Idaho to Pennsylvania

Keep the following information in mind while searching for Idaho to Pennsylvania flight deals. Data was last updated December 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$182
(Frontier)

One-way from

$105
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$631
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Philadelphia flight deals.
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Philadelphia flights.
From Idaho to Pennsylvania
One-way flight from Idaho to Pennsylvania
Highest demand for flights based on searches. 10% potential increase in price ($56 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Average for round-trip flights in December 2025

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to Pennsylvania 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 December 16, 2025.
Use the filters below to find and compare flights from Idaho to Pennsylvania that are best for you.

Fly from

Idaho

Fly to

Pennsylvania

Route

Depart

Return

Price

SpokaneNew York

GEG - LGA

GEGLGA

Spokane

Thu 1/8

1:19 pm-10:00 pm

1 stop29h 41m

New York LaGuardia

Wed 1/14

10:55 pm-10:37 am

1 stop14h 42m

$183

BoiseNew York

BOI - LGA

BOILGA

Boise Air Term. Gowen Fld

Mon 1/12

12:07 pm-10:00 pm

1 stop7h 53m

New York LaGuardia

Sun 1/18

10:00 pm-1:25 pm

2 stops17h 25m

$201

SpokaneNew York

GEG - JFK

GEGJFK

Spokane

Wed 1/14

5:00 am-3:18 pm

1 stop7h 18m

New York John F Kennedy Intl

Wed 1/21

5:17 pm-10:52 pm

1 stop8h 35m

$215

SpokaneNew York

GEG - JFK

GEGJFK

Spokane

Fri 1/9

12:10 pm-10:52 pm

1 stop7h 42m

New York John F Kennedy Intl

Mon 1/12

7:00 am-12:44 pm

1 stop8h 44m

$216

SpokaneNew York

GEG - JFK

GEGJFK

Spokane

Wed 1/7

12:10 pm-10:52 pm

1 stop7h 42m

New York John F Kennedy Intl

Thu 1/8

7:00 am-12:44 pm

1 stop8h 44m

$216

SpokaneNew York

GEG - JFK

GEGJFK

Spokane

Tue 1/13

12:55 pm-12:50 am

1 stop8h 55m

New York John F Kennedy Intl

Fri 1/16

6:59 pm-12:08 am

1 stop8h 09m

$217

SpokaneNew York

GEG - JFK

GEGJFK

Spokane

Tue 1/20

9:20 am-10:01 pm

1 stop9h 41m

New York John F Kennedy Intl

Sun 1/25

6:59 pm-11:59 pm

1 stop8h 00m

$217

SpokaneNew York

GEG - LGA

GEGLGA

Spokane

Fri 1/9

6:30 am-7:05 pm

1 stop9h 35m

New York LaGuardia

Mon 1/12

7:55 am-1:03 pm

1 stop8h 08m

$217

SpokaneNew York

GEG - LGA

GEGLGA

Spokane

Tue 1/20

7:25 pm-11:59 am

2 stops13h 34m

New York LaGuardia

Sun 1/25

7:55 am-1:03 pm

1 stop8h 08m

$222

SpokaneNew York

GEG - LGA

GEGLGA

Spokane

Wed 1/14

12:55 pm-11:42 pm

1 stop7h 47m

New York LaGuardia

Wed 1/21

4:54 pm-11:59 pm

2 stops10h 05m

$222

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

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

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

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

Currently, May is the cheapest month in which you can book a flight from Idaho to Pennsylvania (average of $130). Flying from Idaho to Pennsylvania in March is currently the most expensive (average of $342). 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 ID to PA?

Find hourly flight availability from Idaho to Pennsylvania. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 16, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 37% on flights from Idaho to Pennsylvania by exploring options for tickets in the evening.

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

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

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

Reviews of airlines servicing Pennsylvania

Get insights into the airlines that provide service to Pennsylvania. 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 Pennsylvania. Reviews last updated December 16, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Idaho to Pennsylvania. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.5

Crew

8.6

Overall

7.9

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Entertainment

7.5

Crew

8.6

Overall

7.9

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Entertainment

7.5

Crew

8.6

Overall

7.9

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Entertainment

7.5

Crew

8.6

Overall

7.9

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Entertainment

7.5

Crew

8.6

Overall

7.9

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Entertainment

7.5

Crew

8.6

Overall

7.9

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Idaho to Pennsylvania. 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 Idaho to Pennsylvania?

    For as low as $215, Frontier can have you in Pennsylvania from Idaho in 7h 18m. The distance between Idaho and Pennsylvania is about 2191 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $96. However, be on the lookout for offers from American Airlines and Delta, as they are both options that can get you from Idaho to Pennsylvania for a low price.

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Idaho to Pennsylvania (average of $130). Flying from Idaho to Pennsylvania in March is currently the most expensive (average of $342). 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 Idaho to Pennsylvania

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Idaho to Pennsylvania

Discover the top 5 airlines that operate flights from Idaho to Pennsylvania. 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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$130Average$248FlexibilityNo cancel feeOn-time62%
DeltaCheapest$173Average$420FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$206Average$494FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$308Average$578FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$336Average$458FlexibilityNo cancel feeOn-time63%

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