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Idaho Falls

$161+ 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — IDA
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$347
(Mytrip)

One-way from

$161
(Kiwi.com)

Popular in

May

Cheapest in

October

Average price

$486
Provider with most accurate pricing for Philadelphia-Idaho Falls Fanning Field flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-Idaho Falls Fanning Field flights.
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From Pennsylvania to Idaho Falls Fanning Field
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One-way flight from Pennsylvania to Idaho Falls Fanning Field
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Highest demand for flights based on searches. 24% potential increase in price ($211 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($32 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 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 October 30, 2025.

This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/139:18 pmEWR - IDA
2 stops20h 50mMultiple Airlines
Mon 11/177:56 pmIDA - EWR
3 stops35h 38mMultiple Airlines
Deal found 10/28$347
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/138:05 pmPHL - IDA
1 stop22h 03mMultiple Airlines
Fri 11/1410:56 pmIDA - PHL
1 stop18h 11mMultiple Airlines
Deal found 10/30$370
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/256:47 pmEWR - IDA
2 stops23h 16mMultiple Airlines
Wed 12/312:19 pmIDA - EWR
3 stops22h 41mMultiple Airlines
Deal found 10/30$370
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/251:01 pmJFK - IDA
2 stops29h 02mMultiple Airlines
Wed 12/312:19 pmIDA - JFK
1 stop15h 11mMultiple Airlines
Deal found 10/30$402
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/135:21 pmPIT - IDA
1 stop24h 47mMultiple Airlines
Mon 11/177:56 pmIDA - PIT
2 stops22h 52mMultiple Airlines
Deal found 10/29$406
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Mon 12/86:30 amDCA - IDA
1 stop8h 57mAmerican Airlines
Fri 12/121:58 pmIDA - DCA
1 stop7h 02mAmerican Airlines
Deal found 10/27$415
This Delta deal was found by Cheapflights users on 10/27. 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 12/87:05 amIAD - IDA
1 stop7h 32mDelta
Fri 12/121:17 pmIDA - IAD
1 stop8h 12mDelta
Deal found 10/27$415
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/271:35 pmEWR - IDA
3 stops30h 32mMultiple Airlines
Thu 12/44:39 pmIDA - EWR
2 stops13h 04mMultiple Airlines
Deal found 10/28$419
This Delta deal was found by Cheapflights users on 10/27. 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 12/812:32 pmDCA - IDA
2 stops11h 49mDelta
Fri 12/126:00 amIDA - DCA
1 stop8h 01mDelta
Deal found 10/27$420
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Mon 12/811:25 amIAD - IDA
2 stops13h 11mAmerican Airlines
Fri 12/121:58 pmIDA - IAD
1 stop7h 01mAmerican Airlines
Deal found 10/27$420
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/261:54 pmPIT - IDA
1 stop25h 08mMultiple Airlines
Mon 12/17:58 pmIDA - PIT
2 stops34h 21mMultiple Airlines
Deal found 10/29$428
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/253:00 pmLGA - IDA
3 stops27h 03mMultiple Airlines
Wed 12/312:19 pmIDA - LGA
3 stops18h 41mMultiple Airlines
Deal found 10/30$437

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 October 30, 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

New YorkIdaho Falls

JFK - IDA

JFKIDA

New York John F Kennedy Intl

Thu 1/29

4:22 pm-6:18 pm

1 stop27h 56m

Idaho Falls Fanning Field

Sun 2/1

9:00 am-7:28 pm

1 stop8h 28m

$355

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Thu 11/13

9:18 pm-10:06 pm

3 stops26h 48m

Idaho Falls Fanning Field

Mon 11/17

7:56 pm-9:34 am

3 stops35h 38m

$369

PhiladelphiaIdaho Falls

PHL - IDA

PHLIDA

Philadelphia

Thu 11/13

8:05 pm-4:08 pm

1 stop22h 03m

Idaho Falls Fanning Field

Fri 11/14

10:56 pm-7:07 pm

1 stop18h 11m

$370

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Tue 11/25

6:47 pm-4:03 pm

2 stops23h 16m

Idaho Falls Fanning Field

Wed 12/3

12:19 pm-1:00 pm

3 stops22h 41m

$370

New YorkIdaho Falls

JFK - IDA

JFKIDA

New York John F Kennedy Intl

Thu 1/15

7:00 am-6:18 pm

1 stop13h 18m

Idaho Falls Fanning Field

Sun 1/18

9:00 am-7:28 pm

1 stop8h 28m

$386

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

Fri 1/16

5:01 pm-6:18 pm

1 stop27h 17m

Idaho Falls Fanning Field

Fri 1/23

6:58 pm-9:59 pm

1 stop25h 01m

$414

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

Mon 12/8

6:30 am-1:27 pm

1 stop8h 57m

Idaho Falls Fanning Field

Fri 12/12

1:58 pm-11:00 pm

1 stop7h 02m

$415

PhiladelphiaIdaho Falls

PHL - IDA

PHLIDA

Philadelphia

Tue 3/10

7:00 am-12:31 pm

1 stop7h 31m

Idaho Falls Fanning Field

Wed 3/11

6:45 pm-5:39 am

1 stop8h 54m

$419

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Thu 1/29

7:15 am-1:30 pm

1 stop8h 15m

Idaho Falls Fanning Field

Sun 2/1

2:40 pm-11:27 pm

1 stop6h 47m

$423

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

Mon 12/8

12:32 pm-10:21 pm

2 stops11h 49m

Idaho Falls Fanning Field

Fri 12/12

6:00 am-6:03 pm

2 stops10h 03m

$425

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 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, April is the cheapest month in which you can book a flight from Pennsylvania to Idaho Falls (average of $200). Flying from Pennsylvania to Idaho Falls in June is currently the most expensive (average of $437). 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.

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

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 31m. Pennsylvania and Idaho Falls are separated by a distance of 1899 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 $208. Users have also found prices from $209 and $245 on Alaska Airlines and Delta, respectively.

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

    While some choose either New York LaGuardia - Idaho Falls Fanning Field or New York John F Kennedy Intl - 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, April is the cheapest month in which you can book a flight from Pennsylvania to Idaho Falls (average of $200). Flying from Pennsylvania to Idaho Falls in June is currently the most expensive (average of $437). 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

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Alternative routes for Pennsylvania to Idaho Falls

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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$223Average$467FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$642FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$354Average$613FlexibilityNo cancel feeOn-time71%

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