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Idaho Falls

$147+ 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — IDA
ago. 6 — ago. 131
mié. 8/6
mié. 8/13
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 agosto 1, 2025.

Round-trip from

$324
(Mytrip)

One-way from

$147
(Trip.com)

Popular in

May

Cheapest in

February

Average price

$578
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. 21% potential increase in price ($183 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in August 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 agosto 1, 2025.

This Mytrip deal was found by Cheapflights users on 7/30. 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.
jue. 8/145:59 pmEWR - IDA
3 stops26h 42mMultiple Airlines
lun. 8/187:31 pmIDA - EWR
2 stops19h 23mMultiple Airlines
Deal found 7/30$324
This Delta deal was found by Cheapflights users on 8/1. 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.
jue. 9/43:51 pmJFK - IDA
1 stop8h 36mDelta
mié. 9/103:00 pmIDA - JFK
1 stop7h 27mDelta
Deal found 8/1$333
This Hawaiian Airlines deal was found by Cheapflights users on 7/31. 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.
sáb. 10/257:20 amJFK - IDA
1 stop10h 18mHawaiian Airlines
sáb. 11/16:05 amIDA - JFK
1 stop11h 24mHawaiian Airlines
Deal found 7/31$334
This Mytrip deal was found by Cheapflights users on 7/30. 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.
jue. 8/143:51 pmPHL - IDA
2 stops21h 39mMultiple Airlines
lun. 8/187:31 pmIDA - PHL
2 stops26h 28mMultiple Airlines
Deal found 7/30$343
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/273:20 pmEWR - IDA
1 stop7h 34mUnited Airlines
mié. 9/34:15 pmIDA - EWR
1 stop6h 44mUnited Airlines
Deal found 7/30$351
This Delta deal was found by Cheapflights users on 8/1. 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.
mié. 9/248:15 amEWR - IDA
2 stops11h 56mDelta
sáb. 9/276:51 pmIDA - EWR
2 stops12h 44mDelta
Deal found 8/1$381
This Alaska Airlines deal was found by Cheapflights users on 8/1. 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.
sáb. 11/17:30 amEWR - IDA
1 stop9h 43mAlaska Airlines
jue. 11/66:05 amIDA - EWR
1 stop9h 01mAlaska Airlines
Deal found 8/1$385
This American Airlines deal was found by Cheapflights users on 8/1. 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.
sáb. 11/11:30 pmEWR - IDA
2 stops10h 18mAmerican Airlines
jue. 11/61:58 pmIDA - EWR
1 stop7h 56mAmerican Airlines
Deal found 8/1$391
This Alaska Airlines deal was found by Cheapflights users on 8/1. 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.
dom. 11/238:00 amDCA - IDA
1 stop18h 02mAlaska Airlines
vie. 11/286:00 amIDA - DCA
1 stop8h 06mAlaska Airlines
Deal found 8/1$394
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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.
sáb. 9/207:00 amIAD - IDA
1 stop10h 20mAlaska Airlines
mié. 9/243:57 pmIDA - IAD
1 stop13h 36mAlaska Airlines
Deal found 7/31$394
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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.
sáb. 10/257:20 amJFK - IDA
1 stop10h 18mAlaska Airlines
sáb. 11/16:05 amIDA - JFK
2 stops24h 25mAlaska Airlines
Deal found 7/31$394
This Delta deal was found by Cheapflights users on 8/1. 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. 8/305:20 pmDCA - IDA
1 stop7h 07mDelta
sáb. 9/66:00 amIDA - DCA
1 stop8h 10mDelta
Deal found 8/1$395

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 agosto 1, 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

jue. 8/14

5:59 pm-6:41 pm

3 stops26h 42m

Idaho Falls Fanning Field

lun. 8/18

7:31 pm-4:54 pm

2 stops19h 23m

$324

New YorkIdaho Falls

JFK - IDA

JFKIDA

New York John F Kennedy Intl

jue. 9/4

3:51 pm-10:27 pm

1 stop8h 36m

Idaho Falls Fanning Field

mié. 9/10

3:00 pm-12:27 am

1 stop7h 27m

$333

New YorkIdaho Falls

JFK - IDA

JFKIDA

New York John F Kennedy Intl

sáb. 10/25

7:20 am-3:38 pm

1 stop10h 18m

Idaho Falls Fanning Field

sáb. 11/1

6:05 am-7:29 pm

1 stop11h 24m

$334

PhiladelphiaIdaho Falls

PHL - IDA

PHLIDA

Philadelphia

jue. 8/14

3:51 pm-11:30 am

2 stops21h 39m

Idaho Falls Fanning Field

lun. 8/18

7:31 pm-11:59 pm

2 stops26h 28m

$343

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

mié. 8/27

3:20 pm-8:54 pm

1 stop7h 34m

Idaho Falls Fanning Field

mié. 9/3

4:15 pm-12:59 am

1 stop6h 44m

$351

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

mié. 9/24

8:15 am-6:11 pm

2 stops11h 56m

Idaho Falls Fanning Field

sáb. 9/27

6:51 pm-9:35 am

2 stops12h 44m

$381

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

dom. 11/23

8:00 am-12:02 am

1 stop18h 02m

Idaho Falls Fanning Field

vie. 11/28

6:00 am-4:06 pm

1 stop8h 06m

$394

Washington, D.C.Idaho Falls

IAD - IDA

IADIDA

Washington, D.C. Dulles Intl

sáb. 9/20

9:00 am-3:20 pm

1 stop8h 20m

Idaho Falls Fanning Field

jue. 9/25

6:13 am-5:09 pm

1 stop8h 56m

$394

New YorkIdaho Falls

JFK - IDA

JFKIDA

New York John F Kennedy Intl

sáb. 10/25

7:20 am-3:38 pm

1 stop10h 18m

Idaho Falls Fanning Field

sáb. 11/1

6:05 am-8:30 am

2 stops24h 25m

$394

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

sáb. 8/30

5:20 pm-10:27 pm

1 stop7h 07m

Idaho Falls Fanning Field

sáb. 9/6

6:00 am-4:10 pm

1 stop8h 10m

$395

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 58 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, 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.

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. 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 Idaho Falls. Reviews last updated agosto 1, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from Pennsylvania to Idaho Falls to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,983 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,613 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,904 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

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

    For one-way options, check prices for Hawaiian Airlines. According to our data, you can fly for as low as $167. Users have also found prices from $168 and $200 on American Airlines and Alaska Airlines, respectively.

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

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

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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 agosto 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$288Average$684FlexibilityNo cancel feeOn-time71%
DeltaCheapest$310Average$535FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$414Average$769FlexibilityNo cancel feeOn-time69%

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