Flight tickets from Philadelphia International to Seoul

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Compare Philadelphia International to Seoul flight deals

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Flight deals from Philadelphia International to Seoul

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

Find the cheapest month to fly from Philadelphia International to Seoul

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

Alternative Philadelphia International to Seoul routes

Looking for the cheapest, fastest or easiest route from Philadelphia International to Seoul? You could fly into the following airports instead.

Philadelphia to Seoul: Flight information

The things to know before you go.
Cheapest flight found₹ 42,696
Cheapest month to flyAugust

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

There are 2 airports in Seoul: Gimpo International and Incheon International.
The best price we found for a return flight from Philadelphia International to Seoul is ₹ 89,687. 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 Philadelphia International to Seoul. But we found flights with one or more stops from ₹ 89,687.
As of March 2025, there are no flights flying from Philadelphia International to Seoul.
The cheapest month to fly from Philadelphia International to Seoul is usually March 2025.
If you're flying from Philadelphia International Airport, the cheapest airport near Seoul is Incheon International – which is 47.8 km away from the centre of Seoul. We've found flights into this airport from ₹ 89,687.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Philadelphia International Airport to Seoul on Wednesday, 2 April 2025.
No airlines currently offer direct flights between Philadelphia International Airport and Seoul. 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 Seoul 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 Seoul is around 40 days in advance, so don’t leave your flight to the last minute.
In March, the average temperature is usually around 3°C. August is typically the warmest month in Seoul, when it usually averages around 28°C. You can expect the least rain in January. The coldest month is January, with temperatures averaging -8°C. The rainiest month is July.
Currently, Air Canada offers the cheapest flight tickets to Seoul.

Travelling from Philadelphia International Airport (PHL) to Seoul: what you need to know

  • Seoul is 13 hours ahead of Philadelphia, where Philadelphia International Airport is located. Seoul operates on the UTC+9 timezone.

  • Leave plenty of time to make your flight from PHL to Seoul. Generally, it's best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • If you're getting away during a peak month like August, arrive at the terminal even earlier. You'll want to arrive up to four hours before international flights and two hours ahead of domestic departures. Security lines will be longer during high seasons like Christmas, New Year and spring break.

  • We make it easy to book a flight from PHL to Seoul that includes a stopover. To see the options, deselect 'Direct flights only.' Then, simply pick a flight that has a stop long enough to see the sights of your chosen city. Major stopovers include:

    • Washington Dulles International Airport (IAD)

    • Logan International Airport (BOS)

    • Harry Reid Airport (formerly McCarran Airport) Airport (LAS)

  • When travelling to South Korea for tourism purposes, you will require an ETA if you have a passport from United States. However, visa rules can change and you may need further documentation depending on the length and purpose of your visit. Always check the most recent guidelines before you book your cheap ticket from Philadelphia International Airport to Seoul.

  • The journey from central Philadelphia to PHL takes around 44 minutes by public transport. If you ride-share, drive or grab a cab, you'll cover the 19 kilometres in 17 minutes or so, depending on traffic conditions.

  • After a stress-free start to your trip? Stay near PHL. Whether you have an early flight from Philadelphia International Airport to Seoul or just don't like being rushed, these hotels are just the thing:

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

  • The lowest price we've seen for a one-way ticket from Philadelphia International Airport to Seoul is ₹ 42,582. The cheapest price for a return flight is ₹ 89,687. Bear in mind fares may change due to availability at the time of booking.

  • It's usually best to book ahead of time if you want to find cheap tickets from PHL to Seoul. That's because airlines adjust prices based on demand, which tends to increase closer to the date of departure.

  • The 'Whole month' tool shows you the cheapest tickets from Philadelphia International Airport to Seoul across the entire month. It's a great way to snap up a bargain if your dates are flexible.

  • Create a Price Alert for flight tickets from PHL to Seoul. You don't need to check back in every day to see if fares have dropped. We'll notify you when there's a change in price.

  • Make the most of the filters to find your ideal trip. To see the 'Cheapest,' 'Best' or 'Fastest' flights from Philadelphia International Airport to Seoul, use the 'Sort by' function. You can also filter results by airline, departure and arrival times, and number of stops.

Airports in Seoul

Incheon International Airport (ICN)

  • Incheon International Airport (ICN) is roughly 48 kilometres from central Seoul. The time it takes to get to the centre by cab or car rental depends on the time of day. Do a little research before you go.

  • Travelling to the centre by public transport takes roughly 1 hour and 44 minutes.

  • Book a hotel near ICN if you're catching a late flight from Philadelphia International Airport to Seoul. Check in to one of these accommodation options and avoid the hassle of a long transfer:

Gimpo International Airport (GMP)

  • If you're staying in Seoul's centre (or just can't wait to start exploring), the city is around 16 kilometres from Gimpo International Airport (GMP). See if you can spot any information kiosks to help direct you after hopping off your flight from Philadelphia International Airport to Seoul.

  • You can also travel using public transport, which will take about 1 hour and 3 minutes.

  • There are some great places to park your luggage (and yourself) near GMP. Kick back and get cosy after your flight from PHL to Seoul at one of these perfectly located options:

Best time to go to Seoul

  • It's time to figure out your trip dates for your flight from Philadelphia International Airport to Seoul. July is the most popular month for a trip to Seoul. If you like a more relaxed atmosphere, go in April.

  • Before locking in your flight from Philadelphia International Airport to Seoul, think about the type of weather you enjoy. August is the warmest month in Seoul, with the temperature ranging from 19ºC to 32ºC.

  • If you like cooler conditions, lock in a cheap flight from PHL to Seoul in January when temperatures average between -12ºC and 4ºC.

More about Seoul

  • After booking your flight from Philadelphia International Airport to Seoul, think about where to rest your head in this city. Make one of these options your base for exploring Seoul:

  • There are so many things to do and see in this city it can be tricky to work out where to begin. Gyeongbokgung Palace, Bukchon Hanok Village and N Seoul Tower are top attractions which should be on any well-planned Seoul itinerary.

Complete your Seoul trip with a car rental

  • Choose one of our car rentals in Seoul and explore the city on your own schedule. Easily compare companies in one go to find the perfect set of wheels once you've locked in your hotel and cheap flights from Philadelphia International Airport to Seoul.

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