$539 Find Cheap Flights from Seoul Incheon Airport to Philadelphia

In the last 5 days, the lowest price for a flight from Incheon Intl Airport to Philadelphia was $539 for a one-way ticket and $1,155 for a round-trip.

Yes, you'll most likely have to show a valid passport before boarding the plane in Seoul Incheon Airport and on arrival in Philadelphia.

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

SkyTeam is the only airline alliance operating flights between Seoul Incheon Airport and Philadelphia.

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 Seoul Incheon Airport to Philadelphia.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Philadelphia from Seoul Incheon Airport 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 Philadelphia with an airline and back to Seoul Incheon Airport with another airline. Booking your flights between Seoul Incheon Airport and PHL 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 Philadelphia from Seoul Incheon Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.