HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Idaho Falls

$178+ Cheap flights from Pennsylvania to Idaho Falls (IDA)

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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — IDA
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Pennsylvania to Idaho Falls with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Pennsylvania to Idaho Falls

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

Round-trip from

$369
(Kiwi.com)

One-way from

$178
(American Airlines)

Popular in

May

Cheapest in

February

Average price

$600
From Pennsylvania to Idaho Falls Fanning Field
Search Deals
One-way flight from Pennsylvania to Idaho Falls Fanning Field
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($202 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Pennsylvania to Idaho Falls

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

This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Mon 11/36:59 amEWR - IDA
1 stop9h 02mMultiple Airlines
Mon 11/177:56 pmIDA - EWR
1 stop17h 03mMultiple Airlines
Deal found 9/15$369
This American Airlines deal was found by Cheapflights users on 9/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/286:44 amMDT - IDA
1 stop7h 41mAmerican Airlines
Sat 11/112:55 pmIDA - MDT
1 stop8h 53mAmerican Airlines
Deal found 9/13$379
This Trip.com deal was found by Cheapflights users on 9/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/287:00 amJFK - IDA
1 stop10h 13mAlaska Airlines
Fri 10/316:05 amIDA - JFK
1 stop8h 24mAlaska Airlines
Deal found 9/14$380
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 11/88:15 amLGA - IDA
2 stops11h 31mUnited Airlines
Tue 11/1110:50 amIDA - LGA
2 stops10h 26mUnited Airlines
Deal found 9/14$382
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2911:30 amJFK - IDA
1 stop14h 29mAlaska Airlines
Sun 11/25:05 amIDA - JFK
1 stop11h 24mAlaska Airlines
Deal found 9/15$386
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 10/307:12 pmPHL - IDA
1 stop22h 01mAlaska Airlines
Sat 11/16:05 amIDA - PHL
1 stop10h 07mAlaska Airlines
Deal found 9/16$388
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Sat 11/110:55 pmEWR - IDA
2 stops24h 28mMultiple Airlines
Mon 11/177:56 pmIDA - EWR
1 stop17h 03mMultiple Airlines
Deal found 9/15$389
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/811:35 amJFK - IDA
2 stops8h 38mDelta
Tue 11/116:57 pmIDA - JFK
1 stop9h 33mDelta
Deal found 9/14$389
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Fri 10/317:00 amPIT - IDA
2 stops17h 12mMultiple Airlines
Thu 11/69:21 pmIDA - PIT
1 stop23h 53mMultiple Airlines
Deal found 9/16$396
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Sat 11/110:05 amEWR - IDA
2 stops54h 56mMultiple Airlines
Fri 11/1410:56 pmIDA - EWR
1 stop14h 03mMultiple Airlines
Deal found 9/15$398
This Hawaiian Airlines deal was found by Cheapflights users on 9/14. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/87:30 amEWR - IDA
1 stop9h 43mHawaiian Airlines
Tue 11/116:05 amIDA - EWR
1 stop10h 24mHawaiian Airlines
Deal found 9/14$412
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:00 amLGA - IDA
1 stop9h 28mAmerican Airlines
Tue 11/111:58 pmIDA - LGA
1 stop7h 35mAmerican Airlines
Deal found 9/14$417

Cheapflights Fare Finder

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

Fly from

Pennsylvania

Fly to

Idaho Falls

Route

Depart

Return

Price

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Mon 11/3

6:59 am-2:01 pm

1 stop9h 02m

Idaho Falls Fanning Field

Mon 11/17

7:56 pm-2:59 pm

1 stop17h 03m

$369

HarrisburgIdaho Falls

MDT - IDA

MDTIDA

Harrisburg

Tue 10/28

6:44 am-12:25 pm

1 stop7h 41m

Idaho Falls Fanning Field

Sat 11/1

12:55 pm-11:48 pm

1 stop8h 53m

$379

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Sat 11/8

8:15 am-5:46 pm

2 stops11h 31m

Idaho Falls Fanning Field

Tue 11/11

10:50 am-11:16 pm

2 stops10h 26m

$382

New YorkIdaho Falls

JFK - IDA

JFKIDA

New York John F Kennedy Intl

Wed 10/29

11:30 am-11:59 pm

1 stop14h 29m

Idaho Falls Fanning Field

Sun 11/2

5:05 am-6:29 pm

1 stop11h 24m

$386

PhiladelphiaIdaho Falls

PHL - IDA

PHLIDA

Philadelphia

Thu 10/30

7:12 pm-3:13 pm

1 stop22h 01m

Idaho Falls Fanning Field

Sat 11/1

6:05 am-6:12 pm

1 stop10h 07m

$388

PhiladelphiaIdaho Falls

PHL - IDA

PHLIDA

Philadelphia

Thu 10/30

7:12 pm-3:13 pm

1 stop22h 01m

Idaho Falls Fanning Field

Tue 11/4

3:50 pm-5:42 am

1 stop11h 52m

$388

New YorkIdaho Falls

JFK - IDA

JFKIDA

New York John F Kennedy Intl

Sat 11/8

11:35 am-6:13 pm

2 stops8h 38m

Idaho Falls Fanning Field

Tue 11/11

6:57 pm-9:41 am

2 stops12h 44m

$394

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Sat 11/1

10:05 am-3:01 pm

2 stops54h 56m

Idaho Falls Fanning Field

Fri 11/14

10:56 pm-2:59 pm

1 stop14h 03m

$398

Washington, D.C.Idaho Falls

IAD - IDA

IADIDA

Washington, D.C. Dulles Intl

Wed 2/18

7:00 am-3:23 pm

1 stop10h 23m

Idaho Falls Fanning Field

Fri 2/27

8:00 am-5:55 pm

1 stop7h 55m

$413

Washington, D.C.Idaho Falls

IAD - IDA

IADIDA

Washington, D.C. Dulles Intl

Wed 2/18

7:00 am-3:23 pm

1 stop10h 23m

Idaho Falls Fanning Field

Thu 2/26

8:00 am-5:55 pm

1 stop7h 55m

$413

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Pennsylvania to Idaho Falls

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

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

Currently, October is the cheapest month in which you can book a flight from Pennsylvania to Idaho Falls (average of $380). Flying from Pennsylvania to Idaho Falls in December is currently the most expensive (average of $578). 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.

Related info for your journey

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

    If you book a flight to Idaho Falls from Pennsylvania, you will be flying to Fanning Field, which is the city’s only airport. Idaho Falls Fanning Field (IDA) is located 3.8 mi from the center of Idaho Falls.

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

    Departing from Pennsylvania to Idaho Falls will take you 7h 41m. Pennsylvania and Idaho Falls are separated by a distance of 1816 mi. This flight may include one or multiple stops.

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

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $178. Users have also found prices from $178 and $207 on Delta and Alaska Airlines, respectively.

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

    While some choose either New York John F Kennedy Intl - Idaho Falls Fanning Field or New York LaGuardia - Idaho Falls Fanning Field, Newark - Idaho Falls Fanning Field is the most popular route from Pennsylvania to Idaho Falls.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Pennsylvania to Idaho Falls (average of $380). Flying from Pennsylvania to Idaho Falls in December is currently the most expensive (average of $578). 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

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Pennsylvania to Idaho Falls

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Jackson flights
Seattle to Boise flights
John F Kennedy Intl to Jackson flights
Los Angeles to Boise flights
LaGuardia to Jackson flights
Seattle to Spokane flights
Santa Ana to Boise flights
San Diego to Boise flights
Dallas/Fort Worth to Boise flights
O'Hare Intl to Jackson flights
Sacramento to Boise flights
Minneapolis to Spokane flights
Sky Harbor Intl to Spokane flights
Los Angeles to Spokane flights
O'Hare Intl to Boise flights
Portland to Boise flights
Dallas/Fort Worth to Idaho Falls flights
Denver to Boise flights
San Francisco to Jackson flights
Denver to Spokane flights
Minneapolis to Boise flights
Dulles Intl to Boise flights
San Francisco to Spokane flights
Baltimore to Boise flights
Hobby to Jackson flights
Sky Harbor Intl to Boise flights
Los Angeles to Jackson flights
San Jose to Boise flights
Spokane to Boise flights
Salt Lake City to Spokane flights
Burbank to Boise flights
Boise to Spokane flights
San Francisco to Boise flights
San Diego to Spokane flights
Dallas/Fort Worth to Spokane flights
Columbus to Jackson flights
Ontario to Boise flights
Dulles Intl to Jackson flights
Boston to Jackson flights
Dallas/Fort Worth to Jackson flights
Boston to Boise flights
Philadelphia to Jackson flights
Seattle to Idaho Falls flights
Las Vegas to Boise flights
Atlanta to Boise flights
Reagan-National to Boise flights
Newark to Boise flights
Baltimore to Jackson flights
John F Kennedy Intl to Boise flights
George Bush Intcntl to Jackson flights

Top 3 airlines flying from Pennsylvania to Idaho Falls

Discover the top 3 airlines that operate flights from Pennsylvania to Idaho Falls. 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$223Average$470FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$684FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$414Average$655FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.