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Idaho Falls

$139+ 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — IDA
feb. 28 — mar. 71
sáb. 2/28
sáb. 3/7
1 adult, Economy
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Cheap 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 enero 29, 2026.

This Expedia deal was found by Cheapflights users on 1/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/187:18 am
EWR
-
IDA
1 stop12h 01m
Alaska Airlines
mar. 3/245:59 pm
IDA
-
EWR
1 stop9h 59m
Alaska Airlines
Deal found 1/27$293
This Alaska Airlines deal was found by Cheapflights users on 1/28. 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.
mar. 10/278:00 am
DCA
-
IDA
1 stop9h 29m
Alaska Airlines
sáb. 10/316:15 am
IDA
-
DCA
1 stop7h 53m
Alaska Airlines
Deal found 1/28$309
This Alaska Airlines deal was found by Cheapflights users on 1/28. 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.
mar. 10/276:30 am
IAD
-
IDA
1 stop10h 59m
Alaska Airlines
sáb. 10/316:15 am
IDA
-
IAD
1 stop9h 01m
Alaska Airlines
Deal found 1/28$309
This Delta deal was found by Cheapflights users on 1/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/204:05 pm
JFK
-
IDA
1 stop8h 16m
Delta
mar. 2/246:35 pm
IDA
-
JFK
1 stop9h 50m
Delta
Deal found 1/28$328
This Delta deal was found by Cheapflights users on 1/27. 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.
mar. 2/2412:59 pm
DCA
-
IDA
2 stops11h 22m
Delta
mar. 3/35:25 am
IDA
-
DCA
2 stops11h 08m
Delta
Deal found 1/27$329
This United Airlines deal was found by Cheapflights users on 1/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/187:15 am
LGA
-
IDA
1 stop8h 15m
United Airlines
mié. 3/252:35 pm
IDA
-
LGA
1 stop6h 50m
United Airlines
Deal found 1/27$334
This Delta deal was found by Cheapflights users on 1/27. 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.
sáb. 6/65:35 pm
PIT
-
IDA
1 stop6h 39m
Delta
sáb. 6/136:10 am
IDA
-
PIT
1 stop8h 37m
Delta
Deal found 1/27$334
This United Airlines deal was found by Cheapflights users on 1/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/243:58 pm
IAD
-
IDA
1 stop7h 00m
United Airlines
mar. 3/32:40 pm
IDA
-
IAD
1 stop6h 39m
United Airlines
Deal found 1/27$337
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 3/203:27 pm
EWR
-
IDA
1 stop9h 25m
Alaska Airlines
mar. 3/245:59 pm
IDA
-
EWR
1 stop9h 59m
Alaska Airlines
Deal found 1/27$338
This United Airlines deal was found by Cheapflights users on 1/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/246:27 am
PHL
-
IDA
2 stops11h 13m
United Airlines
mar. 3/32:40 pm
IDA
-
PHL
1 stop6h 52m
United Airlines
Deal found 1/27$339
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/245:00 pm
DCA
-
IDA
1 stop8h 36m
Alaska Airlines
mar. 3/35:20 pm
IDA
-
DCA
1 stop20h 46m
Alaska Airlines
Deal found 1/27$354
This Orbitz deal was found by Cheapflights users on 1/27. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/237:17 pm
PHL
-
IDA
1 stop22h 14m
Alaska Airlines
mar. 5/264:08 pm
IDA
-
PHL
1 stop21h 54m
Alaska Airlines
Deal found 1/27$354

Find 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 enero 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$293
(Expedia)

One-way from

$139
(Delta)

Popular in

April

Cheapest in

May

Average price

$570
Provider with most accurate pricing for Philadelphia-Idaho Falls Fanning Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Idaho Falls Fanning Field flights.
Search Deals
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. 2% potential increase in price ($12 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 enero 29, 2026.
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

mié. 3/18

3:27 pm-10:52 pm

1 stop9h 25m

Idaho Falls Fanning Field

mar. 3/24

5:59 pm-5:58 am

1 stop9h 59m

$322

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

mié. 3/18

7:15 am-1:30 pm

1 stop8h 15m

Idaho Falls Fanning Field

mié. 3/25

2:35 pm-11:25 pm

1 stop6h 50m

$334

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

vie. 3/20

3:27 pm-10:52 pm

1 stop9h 25m

Idaho Falls Fanning Field

mar. 3/24

5:59 pm-5:58 am

1 stop9h 59m

$338

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

mar. 2/24

5:10 pm-10:21 pm

1 stop7h 11m

Idaho Falls Fanning Field

mar. 3/3

5:25 am-6:33 pm

2 stops11h 08m

$339

PhiladelphiaIdaho Falls

PHL - IDA

PHLIDA

Philadelphia

mar. 2/24

6:27 am-3:40 pm

2 stops11h 13m

Idaho Falls Fanning Field

mar. 3/3

2:40 pm-11:32 pm

1 stop6h 52m

$339

PhiladelphiaIdaho Falls

PHL - IDA

PHLIDA

Philadelphia

sáb. 5/23

7:17 pm-3:31 pm

1 stop22h 14m

Idaho Falls Fanning Field

mar. 5/26

4:08 pm-4:02 pm

1 stop21h 54m

$354

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

mié. 5/27

6:00 am-1:31 pm

1 stop9h 31m

Idaho Falls Fanning Field

sáb. 5/30

5:57 pm-5:17 am

1 stop9h 20m

$359

Washington, D.C.Idaho Falls

IAD - IDA

IADIDA

Washington, D.C. Dulles Intl

lun. 6/29

5:15 pm-10:53 pm

1 stop7h 38m

Idaho Falls Fanning Field

sáb. 7/4

4:15 pm-12:32 am

1 stop6h 17m

$362

New YorkIdaho Falls

JFK - IDA

JFKIDA

New York John F Kennedy Intl

sáb. 2/28

7:00 am-4:43 pm

1 stop11h 43m

Idaho Falls Fanning Field

mar. 3/3

8:00 am-7:10 pm

1 stop9h 10m

$370

New YorkIdaho Falls

JFK - IDA

JFKIDA

New York John F Kennedy Intl

mié. 3/18

7:00 am-5:19 pm

1 stop12h 19m

Idaho Falls Fanning Field

mar. 3/24

5:59 pm-10:29 pm

2 stops26h 30m

$371

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

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 $436). 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 11m. Pennsylvania and Idaho Falls are separated by a distance of 1835 mi. This flight may include one or multiple stops.

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

    While some choose either Newark - Idaho Falls Fanning Field or New York John F Kennedy Intl - Idaho Falls Fanning Field, Washington, D.C. Dulles Intl - 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 $436). 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

See prices for flight routes from nearby airports that may be better suited for you.
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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 enero 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$193Average$475FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$213Average$609FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$398Average$590FlexibilityNo cancel feeOn-time71%

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