How long is the flight from Idaho Falls to Philadelphia?

Airlines like United Airlines and Alaska Airlines fly from Idaho Falls to Philadelphia in about 6h 50m. The time it takes to get you to your destination can typically vary by up to 14h 15m. Airlines will cover a distance of 1899 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from Idaho Falls to Philadelphia round-trip?

Currently priced at $259, Delta will fly you from Idaho Falls to Philadelphia and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $475 and $502, respectively. These flights start at 63% lower than the current average price 3 months from now.

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

What are the most popular airlines that fly from Idaho Falls to Philadelphia?

The most popular airlines flying from Idaho Falls to Philadelphia are American Airlines, United Airlines and Delta. Something to consider prior to booking your flight.

Most accurate provider : When it comes to deals on Idaho Falls-Philadelphia flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Idaho Falls-Philadelphia flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Idaho Falls-Philadelphia flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Idaho Falls-Philadelphia flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Idaho Falls-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

How can I find direct flights from Idaho Falls to Philadelphia?

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

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

Yes. Cheapflights offers flight deals from Idaho Falls to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$371+ Flights from Idaho Falls to Philadelphia

Q: How much does it cost to fly round-trip from Idaho Falls to Philadelphia?

Airfare is below average for this route at the moment. Idaho Falls to Philadelphia flights typically cost between $602 and $1,082 in January. The cheapest round-trip price found within the last 3 days was $457 on United Airlines (Jan 14-Jan 18).

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Cheap flight deals from Idaho Falls to Philadelphia

Cheapest flights from Idaho Falls to Philadelphia
Explore the most affordable flight options available from Idaho Falls to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Wed 12/315:00 amIDA - PHL

1 stop16h 12mUnited Airlines

Sun 1/46:00 amPHL - IDA

2 stops18h 59mUnited Airlines

Deal found 12/16

$751

Best flights from Idaho Falls to Philadelphia
Discover carefully curated flight deals from Idaho Falls to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Wed 1/142:40 pmIDA - PHL

1 stop6h 50mUnited Airlines

Sun 1/188:09 amPHL - IDA

1 stop9h 22mUnited Airlines

Deal found 12/15

$457

Mon 1/266:58 pmIDA - PHL

1 stop21h 05mAlaska Airlines

Thu 1/297:06 pmPHL - IDA

1 stop29h 53mAlaska Airlines

Deal found 12/17

$502

Tue 2/107:20 amIDA - PHL

1 stop10h 41mAmerican Airlines

Thu 2/125:00 amPHL - IDA

1 stop10h 30mAmerican Airlines

Deal found 12/17

$638

Tue 2/109:00 amIDA - PHL

1 stop31h 03mAlaska Airlines

Thu 2/128:30 amPHL - IDA

2 stops17h 06mAlaska Airlines

Deal found 12/17

$613

Mon 1/262:40 pmIDA - PHL

1 stop6h 50mUnited Airlines

Thu 1/296:30 amPHL - IDA

2 stops11h 01mUnited Airlines

Deal found 12/17

$614

Last-minute flights from Idaho Falls to Philadelphia
Discover last-minute flight deals from Idaho Falls to Philadelphia. Data last updated December 18, 2025 and is based on user searches.

Wed 12/315:00 amIDA - PHL

1 stop16h 12mUnited Airlines

Sun 1/46:00 amPHL - IDA

2 stops18h 59mUnited Airlines

Deal found 12/16

$751

Wed 1/142:40 pmIDA - PHL

1 stop6h 50mUnited Airlines

Sun 1/188:09 amPHL - IDA

1 stop7h 21mUnited Airlines

Deal found 12/16

$457

Mon 1/266:58 pmIDA - PHL

1 stop21h 05mAlaska Airlines

Thu 1/297:06 pmPHL - IDA

1 stop29h 53mAlaska Airlines

Deal found 12/17

$502

Mon 1/262:40 pmIDA - PHL

1 stop6h 50mUnited Airlines

Thu 1/296:30 amPHL - IDA

2 stops11h 01mUnited Airlines

Deal found 12/17

$614

One-way flights from Idaho Falls to Philadelphia
Search for one-way flight options from Idaho Falls to Philadelphia. Find affordable one-way fares based on user searches. Data last updated December 18, 2025.

Fri 1/25:00 amIDA - PHL

2 stops10h 28mUnited Airlines

Deal found 12/16

$371

Fri 1/27:00 amIDA - PHL

1 stop8h 46mAmerican Airlines

Deal found 12/17

$399

Find flight deals from Idaho Falls to Philadelphia

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$457 (United Airlines)
One-way from	$371 (United Airlines)
Popular in	September
Cheapest in	April
Average price	$695

Provider with most accurate pricing for Idaho Falls Fanning Field-Philadelphia flight deals.

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Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Philadelphia flights.

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From Idaho Falls Fanning Field to Philadelphia

Search Deals

One-way flight from Idaho Falls Fanning Field to Philadelphia

Search Deals

Highest demand for flights based on searches. 29% potential increase in price ($302 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 15% potential price decrease ($94 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Idaho Falls to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Wed 1/14

2:40 pm-11:30 pm

1 stop6h 50m

Philadelphia

Sun 1/18

8:09 am-3:31 pm

1 stop9h 22m

$457

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Mon 1/26

6:58 pm-6:03 pm

1 stop21h 05m

Philadelphia

Thu 1/29

7:06 pm-10:59 pm

1 stop29h 53m

$502

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Tue 2/10

9:00 am-6:03 pm

1 stop31h 03m

Philadelphia

Thu 2/12

8:30 am-11:36 pm

2 stops17h 06m

$613

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Mon 1/26

2:40 pm-11:30 pm

1 stop6h 50m

Philadelphia

Thu 1/29

6:30 am-3:31 pm

2 stops11h 01m

$614

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Tue 2/10

7:20 am-8:01 pm

1 stop10h 41m

Philadelphia

Thu 2/12

5:00 am-1:30 pm

1 stop10h 30m

$638

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Fri 1/2

5:00 am-5:28 pm

2 stops10h 28m

$371

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Fri 1/2

7:00 am-5:46 pm

1 stop8h 46m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Compare providers for flights from Idaho Falls to Philadelphia

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Idaho Falls to Philadelphia in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Idaho Falls-Philadelphia flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Idaho Falls-Philadelphia flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Idaho Falls-Philadelphia flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Idaho Falls-Philadelphia flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Idaho Falls-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Idaho Falls to Philadelphia

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

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

Currently, September is the cheapest month in which you can book a flight from Idaho Falls to Philadelphia (average of $180). Flying from Idaho Falls to Philadelphia in May is currently the most expensive (average of $498). 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.

What is the cheapest time of day to fly from IDA to PHL?

A simple way to save on the total cost of your ticket is to fly from Idaho Falls to Philadelphia in the evening. If you’re flexible enough to do this you can expect to save up to 46% on your trip compared to booking a flight in the morning.

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

Reviews of airlines servicing Philadelphia

Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Idaho Falls to Philadelphia. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

8,005 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Delta

7.9

Good

8,005 reviews

Delta

7.9

Good

8,005 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

United Airlines

7.4

Good

9,091 reviews

Delta

7.9

Good

8,005 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

American Airlines

7.2

Good

11,054 reviews

Delta

7.9

Good

8,005 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

How long is the flight from Idaho Falls to Philadelphia?
Airlines like United Airlines and Alaska Airlines fly from Idaho Falls to Philadelphia in about 6h 50m. The time it takes to get you to your destination can typically vary by up to 14h 15m. Airlines will cover a distance of 1899 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from Idaho Falls to Philadelphia round-trip?
Currently priced at $259, Delta will fly you from Idaho Falls to Philadelphia and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $475 and $502, respectively. These flights start at 63% lower than the current average price 3 months from now.
Can I find deals for flights from Idaho Falls to Philadelphia that include hotel bookings?
Yes. In addition to deals on Idaho Falls to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Idaho Falls to Philadelphia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho Falls to Philadelphia.
Can I find deals for business class flights from Idaho Falls to Philadelphia?
Yes. Cheapflights offers flight deals from Idaho Falls to Philadelphia 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 Philadelphia?
Currently, September is the cheapest month in which you can book a flight from Idaho Falls to Philadelphia (average of $180). Flying from Idaho Falls to Philadelphia in May is currently the most expensive (average of $498). 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.

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Other flights to Philadelphia

Top 3 airlines flying from Idaho Falls to Philadelphia

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$259	Average$488	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$475	Average$595	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$502	Average$906	FlexibilityNo cancel fee	On-time69%

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$371+ Cheap flights from Idaho Falls to Philadelphia (IDA - PHL)

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 1/2. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Idaho Falls to Philadelphia with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Idaho Falls to Philadelphia

Cheapest flights from Idaho Falls to PhiladelphiaExplore the most affordable flight options available from Idaho Falls to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Explore the most affordable flight options available from Idaho Falls to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Find flight deals from Idaho Falls to Philadelphia

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Idaho Falls to Philadelphia that are best for you.

Compare providers for flights from Idaho Falls to Philadelphia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Idaho Falls to Philadelphia in December.

Best time to book a flight from Idaho Falls to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Idaho Falls with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Idaho Falls to Philadelphia

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

What is the cheapest time of day to fly from IDA to PHL?

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

Reviews of airlines servicing Philadelphia

Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Idaho Falls to Philadelphia. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Idaho Falls to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Idaho Falls to Philadelphia?

What are the cheapest airlines flying from Idaho Falls to Philadelphia round-trip?

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

How can I find direct flights from Idaho Falls to Philadelphia?

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

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

Traveling to a place near Philadelphia?

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Alternative routes for Idaho Falls to Philadelphia

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Top 3 airlines flying from Idaho Falls to Philadelphia

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Cheapest flights from Idaho Falls to Philadelphia
Explore the most affordable flight options available from Idaho Falls to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.