Cheap Flights from Incheon International to Philadelphia International

Compare Incheon International to Philadelphia International flight deals

Find the cheapest month or even day of the year to fly to Philadelphia International

Book the best Philadelphia International fare with no extra fees

Flight deals from Incheon International to Philadelphia International

Looking for a cheap last-minute deal or the best return flight from Incheon International to Philadelphia International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Incheon International to Philadelphia International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Incheon International to Philadelphia International flights are currently cheapest in August.

Incheon International to Philadelphia International: Alternative routes

Compare routes from Incheon International to Philadelphia below. You may find an airport to fly into that's cheaper, faster, or easier than Philadelphia International.

Seoul to Philadelphia: Flight information

The things to know before you go.
Cheapest flight foundR 8,150
Cheapest month to flyAugust

Finding cheap flights from Incheon International to Philadelphia International: Frequently asked questions

The best price we found for a return flight from Incheon International to Philadelphia International is R 12,603. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Incheon International to Philadelphia International. But we found flights with one or more stops from R 12,603.
As of July 2025, there are no flights flying from Incheon International to Philadelphia International.
The cheapest month to fly from Incheon International to Philadelphia International is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Incheon International Airport to Philadelphia International Airport on Monday, 8 September 2025.
No airlines currently offer direct flights between Incheon International Airport and Philadelphia International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Philadelphia International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Philadelphia is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta offers the cheapest flight tickets to Philadelphia International.

Flying from Incheon International Airport (ICN) to Philadelphia International Airport (PHL): what you need to know

  • Philadelphia's timezone is UTC-4, making Philadelphia 13 hours behind Seoul.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Be at the airport on time to catch your ICN to PHL flight.

  • Flying during a peak month such as July? Public holidays and other high seasons can lead to longer queues and delays at security. Be extra cautious and get there up to four hours before international flights and two hours before a domestic departure.

  • If you want to include a stop along the way, just uncheck 'Direct flights only' when searching for your ticket from Incheon International Airport to Philadelphia International Airport. Here are the top stopovers between ICN and PHL:

    • Pearson International Airport

    • Washington Dulles International Airport

    • Montreal-Pierre Elliott Trudeau International Airport

How to find the cheapest flights from Incheon International Airport (ICN) to Philadelphia International Airport (PHL)

  • The cheapest price we've seen for a one-way Incheon International Airport to Philadelphia International Airport flight is R 8,150. A return plane ticket is currently R 12,603. Depending on the availability and when you book, these fares could change.

  • To get your hands on cheap tickets from ICN to PHL, book as early as you can. Airlines generally offer the most competitive fares when flights are first released.

  • The 'Whole month' tool shows you the cheapest flights from Incheon International Airport to Philadelphia International Airport across the entire month. It's a great way to snap up a bargain if your plans aren't set in stone.

  • Cut down on the time spent looking for cheap flights from ICN to PHL by creating a Price Alert. You'll get an email or notification on the app when a lower fare pops up.

  • Select your preferred departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from Incheon International Airport to Philadelphia International Airport.

Handy information about Incheon International Airport (ICN)

  • Of the departures from Incheon International Airport, 54.5% arrive on time at their destination.

  • The journey from the centre of Seoul to Incheon International Airport is roughly 48 kilometres. Look up travel apps like Google Maps for the quickest way to get there, whether you plan to drive or take public transport.

  • You can expect a trip time of roughly 1 hour 45 minutes when using public transport.

  • Get your trip off to a leisurely start by staying near ICN. Whether you're boarding an early flight from Incheon International Airport to Philadelphia International Airport or just don't like being rushed, these hotels have you covered:

Arriving at Philadelphia International Airport (PHL)

Getting from Philadelphia International Airport (PHL) to central Philadelphia

  • PHL is located at Industrial Highway and Island Road.

  • Philadelphia International Airport is roughly 19 kilometres from central Philadelphia. Driving there takes about 15 minutes.

  • It typically takes 45 minutes if you're using public transport.

When to fly to Philadelphia International Airport (PHL)

  • It's time to plan your dates for your flight from Incheon International Airport to Philadelphia International Airport. August is the most popular month to visit Philadelphia. If you'd like a more relaxed vibe, go in February.

  • Book your flight from Incheon International Airport to Philadelphia International Airport for July if you'd like to explore Philadelphia during its warmest month. Expect temperatures of between 18ºC (64ºF) and 32ºC (90ºF).

  • For cooler conditions, look for a cheap ticket from ICN to PHL in January. Average temperatures are between -7ºC (19ºF) and 9ºC (48ºF) then.

Explore more of United States

  • New York is just one of the many places in United States waiting to be explored once you've taken in the sights of Philadelphia. Around 129 kilometres away to the north-east, popular attractions include Statue of Liberty, Central Park and Empire State Building.

  • If you're eager to discover another well-known destination in United States, head for Boston, roughly 434 kilometres north-east of Philadelphia. Freedom Trail, Museum of Fine Arts Boston and Boston Tea Party Ships & Museum are among its highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.