HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Philadelphia

$223+ 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 3/13. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — PHL
Jan 22 — Jan 291
Wed 1/22
Wed 1/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Idaho Falls to Philadelphia with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Idaho Falls to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) to Philadelphia (PHL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$535
(United Airlines)

One-way from

$223
(Delta)

Popular in

December

Cheapest in

July

Average price

$595
Provider with most accurate pricing for Idaho Falls Fanning Field-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Philadelphia flights.
Search Deals
From Idaho Falls Fanning Field to Philadelphia
Search Deals
One-way flight from Idaho Falls Fanning Field to Philadelphia
Search Deals
High demand for flights, 14% potential price rise
Search Deals
Best time to find cheap flights, 9% potential price drop
Search Deals
Average for round-trip flights in January 2025
Search Deals

Find 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 January 17, 2025.

This United Airlines deal was found by Cheapflights users on 1/14. 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.
Wed 2/127:00 amIDA - PHL
1 stop6h 44mUnited Airlines
Wed 2/193:21 pmPHL - IDA
1 stop7h 46mUnited Airlines
Deal found 1/14$535
This American Airlines deal was found by Cheapflights users on 1/15. 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.
Fri 1/175:30 amIDA - PHL
1 stop10h 19mAmerican Airlines
Mon 1/201:50 pmPHL - IDA
2 stops10h 27mAmerican Airlines
Deal found 1/15$870

Find flights from Idaho Falls to Philadelphia within your budget

Customize your flight search to find flights from Idaho Falls to Philadelphia 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 January 17, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Wed 2/12

7:00 am-3:44 pm

1 stop6h 44m

Philadelphia

Wed 2/19

3:21 pm-9:07 pm

1 stop7h 46m

$535

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Thu 4/10

8:00 am-6:00 am

1 stop20h 00m

Philadelphia

Mon 4/14

7:20 am-3:34 pm

1 stop10h 14m

$684

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Thu 3/13

6:55 pm-5:42 am

1 stop8h 47m

$223

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Tue 5/6

1:48 pm-11:28 pm

1 stop7h 40m

$228

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Tue 5/6

2:35 pm-11:32 pm

1 stop6h 57m

$229

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Idaho Falls-Philadelphia flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

Travel insights for flights from Idaho Falls to Philadelphia

Get recent, data-driven insights about flights from Idaho Falls to Philadelphia including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Idaho Falls to Philadelphia (average of $236). Flying from Idaho Falls to Philadelphia in March is currently the most expensive (average of $295). 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?

Find hourly flight availability from Idaho Falls to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 17, 2025.

A simple way to save on the total cost of your ticket is to fly from Idaho Falls to Philadelphia at noon. If you’re flexible enough to do this you can expect to save up to 41% on your trip compared to booking a flight in the morning.

Rainfall in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average rainfall totals by month.

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.

Temperature in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated January 17, 2025.
Alaska Airlines
8.0
Very good
9,681 reviews

Crew

8.5

Comfort

7.9

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,681 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Crew

8.5

Comfort

7.9

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
8,511 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Crew

8.5

Comfort

7.9

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,965 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Crew

8.5

Comfort

7.9

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Crew

8.5

Comfort

7.9

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.

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

    Currently priced at $535, United Airlines will fly you from Idaho Falls to Philadelphia and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Alaska Airlines for as low as $684. These flights start at 26% lower than the current average price 3 months from now.

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

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $223. Users have also found prices from $228 and $229 on American Airlines and United Airlines, respectively.

  • 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, August is the cheapest month in which you can book a flight from Idaho Falls to Philadelphia (average of $236). Flying from Idaho Falls to Philadelphia in March is currently the most expensive (average of $295). 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
King of Prussia
Vineland
Wildwood
Pottstown
Reading
Cherry Hill
Exton
Ocean City
Essington
Chester
Willow Grove
Newark
Middletown
Millville
Wyomissing
Dover
Ephrata
Dewey Beach
West Chester
Malvern

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Idaho Falls to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
Spokane to John F Kennedy Intl flights
Boise to John F Kennedy Intl flights
Boise to Newark flights
Spokane to Newark flights
Boise to Reagan-National flights
Spokane to LaGuardia flights
Spokane to Dulles Intl flights
Spokane to Reagan-National flights
Boise to Dulles Intl flights
Boise to LaGuardia flights
Jackson to Newark flights
Boise to Philadelphia flights
Jackson to John F Kennedy Intl flights
Jackson to LaGuardia flights
Spokane to Philadelphia flights
Idaho Falls to Reagan-National flights
Idaho Falls to Dulles Intl flights
Idaho Falls to Pittsburgh flights
Boise to Pittsburgh flights
Jackson to Philadelphia flights
Boise to Harrisburg flights
Spokane to Pittsburgh flights
Jackson to Reagan-National flights
Jackson to Dulles Intl flights
Idaho Falls to John F Kennedy Intl flights
Idaho Falls to LaGuardia flights
Idaho Falls to Newark flights
Lewiston to Newark flights
Pocatello to John F Kennedy Intl flights
Boise to State College flights
Twin Falls to John F Kennedy Intl flights
Twin Falls to Newark flights
Twin Falls to Dulles Intl flights
Boise to Scranton flights
Hailey to John F Kennedy Intl flights
Spokane to Scranton flights
Boise to Allentown flights
Spokane to Allentown flights
Lewiston to Reagan-National flights
Lewiston to Dulles Intl flights
Pocatello to Newark flights
Spokane to Harrisburg flights
Jackson to Scranton flights
Hailey to Philadelphia flights
Hailey to Reagan-National flights
Spokane to State College flights

Top 2 airlines flying from Idaho Falls to Philadelphia

Discover the top 2 airlines that operate flights from Idaho Falls to Philadelphia. 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 January 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$364Average$664FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$548Average$681FlexibilityNo cancel feeOn-time69%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.