Cheap flights from Seoul to Philadelphia from $424

Travelers frequently search for route combinations, such as Seoul and San Francisco, Los Angeles, Honolulu, New York, Tokyo, Saipan, Minneapolis, Bangkok, Manila, San Diego, Osaka, Jeju City, Seattle, Dallas, Hagåtña, Houston, Portland, Taipei, Fukuoka, Hong Kong.

Travelers frequently search for route combinations, such as Philadelphia and Atlanta, Orlando, Fort Lauderdale, Mexico City, Dallas, Chicago, Tampa, Miami, Los Angeles, Nashville, Detroit, Charlotte, Boston, Santo Domingo, Denver, Houston, Las Vegas, San Juan, Monterrey, Guadalajara.

Seoul is mainly served by Incheon International. But there are other airports nearby, including Gimpo International, Seoul Air Base.

The main airport in Seoul is Incheon International. It is also served by Daegu International, Cheongju International, Wonju, Gunsan.

The main airport in Philadelphia is Philadelphia International. It is also served by John F. Kennedy International, Newark Liberty International, Washington Dulles International, LaGuardia, Baltimore–Washington International, Ronald Reagan Washington National, Long Island MacArthur, Atlantic City International, New York Stewart International Airport, Lehigh Valley International.

Currently, you can fly between Seoul and Philadelphia with Frontier Airlines, Korean Air, United Airlines, Spirit Airlines, Hawaiian Airlines.

If you don’t have specific dates for your trip between Seoul and Philadelphia, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

Traveling between Seoul and Philadelphia, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

There are a number of airports in and around Seoul. The main one is Incheon International and other nearby airports include Daegu International, Cheongju International, Wonju, Gunsan