A historic building with a clock tower, surrounded by trees and street lamps.

CA $836 Cheap Flights from Seoul (ICN) to Philadelphia (PHL)

View CA $836 flight on Mon, Sep 28, 2026Opens in a new window

Popular airlines from Incheon Intl. Airport (ICN) to Philadelphia International Airport (PHL)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap flights from Seoul (ICN) to Philadelphia (PHL)

Prices were available within the past 7 days and start at CA $836 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Seoul (ICN) to Philadelphia (PHL)

April is typically the cheapest month to fly

From CA $714 - CA $1,285 per traveller.

Frequently asked questions

How much does a flight from Seoul (ICN-Incheon Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.) cost?
You can find one-way and return flights from ICN to PHL with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when ICN to PHL ticket fares go up or down.
What is the cheapest month to fly from Seoul (ICN-Incheon Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.)?
The cheapest months to fly from ICN to PHL are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Seoul (ICN) to Philadelphia, PA (PHL)?
Enter ICN to PHL and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Seoul (ICN) to Philadelphia, PA (PHL)?
To find a cheap flight from Seoul (ICN) to Philadelphia, PA (PHL), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Seoul (ICN-Incheon Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Seoul (ICN-Incheon Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.)?
There are approximately 45 connecting flights per day from Seoul (ICN-Incheon Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.). Some common connection points include Dallas-Fort Worth Intl. (DFW), Hartsfield-Jackson Atlanta Intl. (ATL), and Vancouver Intl. (YVR).
What is the earliest flight from Seoul (ICN-Incheon Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.)?
The earliest flight from Seoul (ICN-Incheon Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.) typically departs around 12:20 AM local time. This service is offered by Qatar Airways and American Airlines. This is a seasonal service, active in February, November, and December. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Seoul (ICN-Incheon Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.)?
You'll generally find the most flights from Seoul (ICN-Incheon Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.) on a Monday, with around 27 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Delta, Korean Air, and Asiana Airlines. While Monday has the most flights, the number of flights is fairly consistent throughout the week, so you'll have plenty of options regardless of your travel day.
What are the most popular departure times for flights from Seoul (ICN-Incheon Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.)?
The most popular departure times for flights from Seoul (ICN-Incheon Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.) are in the evening, from 6pm to 9pm. Many major carriers, including Delta, American Airlines and Air Canada, offer flights during this window. Many travellers prefer this time as it allows for a full day before departure and an arrival that can help minimise jet lag.
How long does it take to fly from Seoul (ICN-Incheon Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.)?
There are no nonstop flights from Seoul (ICN-Incheon Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.). For flights with one stop, you can expect the journey to take around 17 hours 30 minutes. If your flight has two or more stops, the travel time will be longer, typically around 24 hours 48 minutes. The distance between these two airports is approximately 11,137 kilometers. Keep in mind that actual flight times can vary due to factors like layover duration, routing, and weather conditions.
Can you fly business or first class from Seoul (ICN-Incheon Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.)?
Yes, you can fly business class or first class between ICN and PHL. Airlines that offer business class service on this route include:
  • Lufthansa
  • Korean Air
  • Jeju Air
  • Asiana Airlines
  • Air China
  • Air Canada
  • Delta
First class cabins are available on Korean Air.
How do I earn miles on a Seoul (ICN-Incheon Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.) flight with Expedia?
It's easy to earn miles on a Seoul (ICN-Incheon Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Philadelphia, PA (PHL) from Seoul (ICN)?
If you're planning to travel to Philadelphia from Incheon Intl. (ICN), you can fly directly into Philadelphia Intl. (PHL). Some flights may connect through major hubs like Dallas-Fort Worth Intl. (DFW), San Francisco Intl. (SFO), or Narita Intl. (NRT) before reaching Philadelphia. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Seoul (ICN-Incheon Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.) at the last minute?
Typically, booking a last minute flight from Seoul (ICN-Incheon Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seoul (ICN-Incheon Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.) flight and hotel package?
Securing a Seoul (ICN-Incheon Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seoul (ICN) to Philadelphia, PA (PHL)?
If you booked your Seoul (ICN) to Philadelphia, PA (PHL) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Incheon Intl.
Destination airport
Philadelphia Intl.
Distance
11070 km

Book with confidence

Incheon to Philadelphia Flights

The easy way to book your flights from Seoul to Philadelphia 

With Expedia, it’s simple to find and book flights to Philadelphia from Seoul whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Philadelphia Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seoul to Philadelphia today, tomorrow, or this week.  

 

Save dollars with cheap flights from Incheon Intl., ICN to Philadelphia Intl., PHL 

Sort your search results by price to find great deals on your flight from Seoul to Philadelphia—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Philadelphia from Seoul currently is just rising to .  

Here are more money-saving tips: 

  • Fly in when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Philadelphia  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Philadelphia from Seoul 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Philadelphia with Expedia today.

Incheon to Philadelphia Flights

Explore a world of travel with Expedia

*Available to Expedia members.