Find cheap flights from Philadelphia to Seoul Gimpo Intl from $684

In the last 3 days, the lowest price for a flight from Philadelphia to Seoul Gimpo Intl Airport was $684 for a one-way ticket and $1,436 for a round-trip.

A passport is required to fly from Philadelphia to Seoul.

We unfortunately don’t have that data for this specific route.

Star Alliance, and oneworld are the airline alliances operating flights between Philadelphia and Seoul, with Star Alliance being the most commonly used for this route.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Philadelphia to Seoul.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seoul from Philadelphia is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seoul with an airline and back to Philadelphia with another airline. Booking your flights between Philadelphia and GMP can sometimes prove cheaper using this method.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seoul from Philadelphia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.