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$129+ Cheap flights from Idaho Falls (IDA) 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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — PHL
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Idaho Falls to Pennsylvania

Keep the following information in mind while searching for Idaho Falls to Pennsylvania flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$402
(Hawaiian Airlines)

One-way from

$129
(Kiwi.com)

Popular in

September

Cheapest in

April

Average price

$749
Provider with most accurate pricing for Idaho Falls Fanning Field-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Philadelphia flights.
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From Idaho Falls Fanning Field to Pennsylvania
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One-way flight from Idaho Falls Fanning Field to Pennsylvania
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Highest demand for flights based on searches. 26% potential increase in price ($265 potential increase over avg. RT price).
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Cheapest flight prices on average. 13% potential price decrease ($90 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 Idaho Falls to Pennsylvania

Cheapest flights from Idaho Falls to Pennsylvania
Explore the most affordable flight options available from Idaho Falls to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 11/183:50 pmIDA - EWR
1 stop12h 09mAlaska Airlines
Sat 11/227:59 pmEWR - IDA
1 stop30h 00mAlaska Airlines
Deal found 10/28$419
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 11/186:05 amIDA - EWR
1 stop9h 01mAlaska Airlines
Sun 11/237:59 pmEWR - IDA
1 stop30h 00mAlaska Airlines
Deal found 10/28$424
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 11/136:05 amIDA - EWR
1 stop10h 24mAlaska Airlines
Tue 11/185:30 pmEWR - IDA
1 stop23h 43mAlaska Airlines
Deal found 10/29$446
This American Airlines deal was found by Cheapflights users on 10/30. 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.
Wed 12/101:58 pmIDA - IAD
1 stop7h 01mAmerican Airlines
Mon 12/156:00 amIAD - IDA
1 stop9h 27mAmerican Airlines
Deal found 10/30$447
This American Airlines deal was found by Cheapflights users on 10/30. 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.
Wed 12/101:58 pmIDA - DCA
1 stop7h 02mAmerican Airlines
Mon 12/151:45 pmDCA - IDA
2 stops10h 51mAmerican Airlines
Deal found 10/30$452
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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.
Tue 11/116:05 amIDA - JFK
1 stop11h 24mAlaska Airlines
Wed 11/197:00 amJFK - IDA
1 stop10h 13mAlaska Airlines
Deal found 10/30$453
This American Airlines deal was found by Cheapflights users on 10/30. 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.
Tue 11/117:10 amIDA - LGA
2 stops12h 50mAmerican Airlines
Wed 11/196:00 amLGA - IDA
1 stop9h 28mAmerican Airlines
Deal found 10/30$458
This Delta deal was found by Cheapflights users on 10/30. 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.
Tue 11/116:00 amIDA - JFK
2 stops12h 29mDelta
Wed 11/194:00 pmJFK - IDA
1 stop8h 19mDelta
Deal found 10/30$458
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 11/186:05 amIDA - JFK
1 stop8h 24mAlaska Airlines
Sat 11/224:29 pmJFK - IDA
1 stop9h 30mAlaska Airlines
Deal found 10/28$464
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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.
Tue 11/186:05 amIDA - JFK
1 stop11h 24mAlaska Airlines
Sun 11/236:59 pmJFK - IDA
1 stop31h 00mAlaska Airlines
Deal found 10/30$466
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 12/105:07 pmIDA - IAD
1 stop21h 29mAlaska Airlines
Thu 12/257:33 amIAD - IDA
1 stop8h 33mAlaska Airlines
Deal found 10/29$467
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/188:30 amIDA - LGA
1 stop6h 50mUnited Airlines
Sun 11/236:00 amLGA - IDA
2 stops11h 16mUnited Airlines
Deal found 10/28$482

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho Falls 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 October 30, 2025.
Use the filters below to find and compare flights from Idaho Falls to Pennsylvania that are best for you.

Fly from

Idaho Falls

Fly to

Pennsylvania

Route

Depart

Return

Price

Idaho FallsNewark

IDA - EWR

IDAEWR

Idaho Falls Fanning Field

Tue 11/18

3:50 pm-5:59 am

1 stop12h 09m

Newark

Sat 11/22

7:59 pm-11:59 pm

1 stop30h 00m

$419

Idaho FallsPittsburgh

IDA - PIT

IDAPIT

Idaho Falls Fanning Field

Tue 3/31

6:00 am-4:44 pm

1 stop8h 44m

Pittsburgh

Wed 4/8

5:30 pm-10:21 pm

1 stop6h 51m

$421

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Tue 1/13

2:40 pm-11:30 pm

1 stop6h 50m

Philadelphia

Wed 1/21

10:10 am-9:14 pm

2 stops13h 04m

$424

Idaho FallsNewark

IDA - EWR

IDAEWR

Idaho Falls Fanning Field

Tue 11/18

6:05 am-5:06 pm

1 stop9h 01m

Newark

Sun 11/23

7:59 pm-11:59 pm

1 stop30h 00m

$424

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Tue 1/13

5:25 am-7:43 pm

2 stops12h 18m

Philadelphia

Wed 1/21

7:00 am-12:34 pm

1 stop7h 34m

$424

Idaho FallsPittsburgh

IDA - PIT

IDAPIT

Idaho Falls Fanning Field

Tue 3/31

1:43 pm-12:08 am

2 stops8h 25m

Pittsburgh

Wed 4/8

7:10 am-12:27 pm

1 stop7h 17m

$426

Idaho FallsPittsburgh

IDA - PIT

IDAPIT

Idaho Falls Fanning Field

Tue 3/3

6:45 pm-9:13 am

2 stops12h 28m

Pittsburgh

Wed 3/4

5:30 pm-10:21 pm

1 stop6h 51m

$426

Idaho FallsNewark

IDA - EWR

IDAEWR

Idaho Falls Fanning Field

Thu 11/13

6:05 am-6:29 pm

1 stop10h 24m

Newark

Tue 11/18

5:30 pm-3:13 pm

1 stop23h 43m

$446

Idaho FallsNew York

IDA - JFK

IDAJFK

Idaho Falls Fanning Field

Tue 11/11

6:05 am-7:29 pm

1 stop11h 24m

New York John F Kennedy Intl

Wed 11/19

7:00 am-3:13 pm

1 stop10h 13m

$453

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Tue 3/31

1:05 pm-12:22 am

2 stops9h 17m

Philadelphia

Wed 4/1

7:00 am-12:31 pm

1 stop7h 31m

$454

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

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

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

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

Currently, May is the cheapest month in which you can book a flight from Idaho Falls to Pennsylvania (average of $178). Flying from Idaho Falls to Pennsylvania in March is currently the most expensive (average of $499). 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 IDA to PA?

Find hourly flight availability from Idaho Falls 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 October 30, 2025.

It’s typically best to fly out from Idaho Falls to Pennsylvania in the evening. Doing so could potentially save you 38% on the flight price compared to flying in the morning, which is usually more expensive.

How much does it cost to fly round-trip from Idaho Falls to Pennsylvania?

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 October 30, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Idaho Falls to Pennsylvania. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,035 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Idaho Falls to Pennsylvania. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Idaho Falls to Pennsylvania?

    Idaho Falls Fanning Field (IDA), located 3.8 mi from the city center, is the airport you fly out of when you book flights from Idaho Falls to Pennsylvania.

  • How long is the flight from Idaho Falls to Pennsylvania?

    Airlines like Alaska Airlines, Delta, and United Airlines fly from Idaho Falls to Pennsylvania in about 6h 50m. The time it takes to get you to your destination can typically vary by up to 5h 19m. Airlines will cover a distance of 1899 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 Falls to Pennsylvania one-way?

    The cheapest airlines for a one-way flight from Idaho Falls to Pennsylvania are American Airlines ($178), Delta ($178), and Alaska Airlines ($206).

  • What are the most popular routes from Idaho Falls to Pennsylvania?

    When deciding which route to take from Idaho Falls to Pennsylvania consider Idaho Falls Fanning Field - Washington, D.C. Dulles Intl, Idaho Falls Fanning Field - Newark or Idaho Falls Fanning Field - Washington, D.C. Reagan-National as they are the most popular.

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Idaho Falls to Pennsylvania (average of $178). Flying from Idaho Falls to Pennsylvania in March is currently the most expensive (average of $499). 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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See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Idaho Falls to Pennsylvania

Discover the top 3 airlines that operate flights from Idaho Falls 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$259Average$488FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$348Average$751FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$475Average$595FlexibilityNo cancel feeOn-time71%

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