Pennsylvania

$149+ 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 6/30. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — PHL
Jul 21 — Jul 281
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Cheap 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 June 21, 2026.

This Delta deal was found by Cheapflights users on 6/18. 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 11/96:45 pm
IDA
-
EWR
1 stop9h 19m
Delta
Fri 11/137:00 am
EWR
-
IDA
1 stop7h 27m
Delta
Deal found 6/18$349
This Delta deal was found by Cheapflights users on 6/18. 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.
Thu 8/277:00 pm
IDA
-
PHL
1 stop9h 05m
Delta
Mon 8/317:20 am
PHL
-
IDA
1 stop9h 15m
Delta
Deal found 6/18$349
This Delta deal was found by Cheapflights users on 6/16. 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.
Tue 12/16:00 am
IDA
-
EWR
2 stops11h 43m
Delta
Sat 12/57:00 am
EWR
-
IDA
1 stop7h 27m
Delta
Deal found 6/16$354
This Delta deal was found by Cheapflights users on 6/18. 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 8/187:00 pm
IDA
-
DCA
2 stops13h 09m
Delta
Thu 8/205:59 pm
DCA
-
IDA
1 stop6h 33m
Delta
Deal found 6/18$379
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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.
Wed 10/281:46 pm
IDA
-
IAD
1 stop8h 13m
Alaska Airlines
Sat 10/317:00 am
IAD
-
IDA
1 stop10h 35m
Alaska Airlines
Deal found 6/16$384
This Delta deal was found by Cheapflights users on 6/16. 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.
Tue 9/296:57 pm
IDA
-
JFK
1 stop9h 29m
Delta
Sat 10/37:00 am
JFK
-
IDA
1 stop7h 14m
Delta
Deal found 6/16$384
This Alaska Airlines deal was found by Cheapflights users on 6/19. 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 10/276:09 am
IDA
-
PHL
1 stop9h 30m
Alaska Airlines
Sat 10/317:00 am
PHL
-
IDA
1 stop10h 35m
Alaska Airlines
Deal found 6/19$384
This American Airlines deal was found by Cheapflights users on 6/19. 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 12/27:15 am
IDA
-
JFK
1 stop8h 45m
American Airlines
Sat 12/56:45 am
JFK
-
IDA
1 stop8h 42m
American Airlines
Deal found 6/19$391
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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.
Tue 10/276:09 am
IDA
-
EWR
1 stop8h 52m
Alaska Airlines
Sat 10/314:00 pm
EWR
-
IDA
1 stop8h 54m
Alaska Airlines
Deal found 6/16$392
This Delta deal was found by Cheapflights users on 6/18. 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 12/16:00 am
IDA
-
JFK
1 stop8h 27m
Delta
Sat 12/56:30 am
JFK
-
IDA
1 stop7h 57m
Delta
Deal found 6/18$392
This United Airlines deal was found by Cheapflights users on 6/17. 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 7/210:35 am
IDA
-
LGA
1 stop9h 19m
United Airlines
Sat 7/46:10 am
LGA
-
IDA
1 stop7h 35m
United Airlines
Deal found 6/17$394
This Delta deal was found by Cheapflights users on 6/18. 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 10/196:45 pm
IDA
-
DCA
2 stops13h 39m
Delta
Thu 10/221:45 pm
DCA
-
IDA
2 stops10h 34m
Delta
Deal found 6/18$414

Find 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 June 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$349
(Delta)

One-way from

$149
(United Airlines)

Popular in

December

Cheapest in

April

Average price

$948
Provider with most accurate pricing for Idaho Falls Fanning Field-Philadelphia flight deals.
Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Philadelphia flights.
From Idaho Falls Fanning Field to Pennsylvania
One-way flight from Idaho Falls Fanning Field to Pennsylvania
Highest demand for flights based on searches. 18% potential increase in price ($172 potential increase over avg. RT price).
Cheapest flight prices on average. 9% potential price decrease ($64 potential savings vs. average RT price).
Average for round-trip flights in June 2026

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 June 21, 2026.
Use the filters below to find and compare flights from Idaho Falls to Pennsylvania that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Fri 8/28

7:00 pm-6:05 am

1 stop9h 05m

Philadelphia

Mon 8/31

7:20 am-2:35 pm

1 stop9h 15m

$349

Idaho FallsNewark

IDA - EWR

IDAEWR

Idaho Falls Fanning Field

Tue 12/1

6:00 am-7:43 pm

2 stops11h 43m

Newark

Sat 12/5

7:00 am-12:27 pm

1 stop7h 27m

$354

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Wed 10/28

1:46 pm-11:59 pm

1 stop8h 13m

Washington, D.C. Dulles Intl

Sat 10/31

7:00 am-3:35 pm

1 stop10h 35m

$384

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Tue 10/27

6:09 am-5:39 pm

1 stop9h 30m

Philadelphia

Sat 10/31

7:00 am-3:35 pm

1 stop10h 35m

$384

Idaho FallsNew York

IDA - JFK

IDAJFK

Idaho Falls Fanning Field

Tue 12/1

6:00 am-4:27 pm

1 stop8h 27m

New York John F Kennedy Intl

Sat 12/5

6:30 am-12:27 pm

1 stop7h 57m

$392

Idaho FallsNew York

IDA - LGA

IDALGA

Idaho Falls Fanning Field

Thu 7/2

10:35 am-9:54 pm

1 stop9h 19m

New York LaGuardia

Sat 7/4

6:10 am-11:45 am

1 stop7h 35m

$437

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Fri 8/21

1:43 pm-11:59 pm

1 stop8h 16m

Washington, D.C. Reagan-National

Mon 8/24

7:35 am-1:09 pm

1 stop7h 34m

$440

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Wed 10/7

6:45 pm-5:41 am

1 stop8h 56m

Philadelphia

Tue 10/13

8:25 am-6:14 pm

2 stops11h 49m

$444

Idaho FallsNew York

IDA - LGA

IDALGA

Idaho Falls Fanning Field

Tue 10/27

2:32 pm-11:16 pm

1 stop6h 44m

New York LaGuardia

Sat 10/31

6:05 am-3:23 pm

2 stops11h 18m

$452

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Tue 10/27

2:32 pm-11:46 pm

1 stop7h 14m

Philadelphia

Sat 10/31

6:00 am-3:23 pm

2 stops11h 23m

$454

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Showing 1-10 of 60 resultsSorted by cheapest first
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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, July is the cheapest month in which you can book a flight from Idaho Falls to Pennsylvania (average of $259). Flying from Idaho Falls to Pennsylvania in December is currently the most expensive (average of $695). 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 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 June 21, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines from Idaho Falls to Pennsylvania. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Food

7.2

Overall

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Food

7.2

Overall

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Food

7.2

Overall

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Food

7.2

Overall

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 Delta, Alaska Airlines, and United Airlines fly from Idaho Falls to Pennsylvania in about 8h 13m. The time it takes to get you to your destination can typically vary by up to 1h 06m. Airlines will cover a distance of 1811 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

  • 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, July is the cheapest month in which you can book a flight from Idaho Falls to Pennsylvania (average of $259). Flying from Idaho Falls to Pennsylvania in December is currently the most expensive (average of $695). 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 Falls to Pennsylvania

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

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 June 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$259Average$389FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$344Average$797FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$475Average$605FlexibilityNo cancel feeOn-time71%

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