Cheap Flights from Seoul to Philadelphia

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Flight deals from Seoul to Philadelphia

Looking for a cheap last-minute deal or the best return flight from Seoul to Philadelphia? If you want to travel next month, return fares start from Rs287,136. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Seoul to Philadelphia

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

Seoul to Philadelphia: Flight information

The things to know before you go.
Cheapest flight foundRs121,470
Cheapest month to flySeptember

Finding cheap flights from Seoul to Philadelphia: Frequently asked questions

There are 5 airports in Philadelphia: Philadelphia International, Philadelphia Trenton-Mercer, Greater Wilmington, Atlantic City International, and Allentown.
The best price we found for a return flight from Seoul to Philadelphia is Rs251,479. 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 Seoul to Philadelphia. But we found flights with one or more stops from Rs251,479.
As of July 2026, there are no flights flying from Seoul to Philadelphia.
The cheapest month to fly from Seoul to Philadelphia is usually April.
If you're flying from Seoul, the cheapest airport near Philadelphia is Philadelphia International – which is 11.2 km away from the centre of Philadelphia. We've found flights into this airport from Rs251,479.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seoul to Philadelphia on Friday, 30 April 2027.
No airlines currently offer direct flights between Seoul and Philadelphia. 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 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.

In July, the average temperature is usually around 24°C. July is typically the warmest month in Philadelphia, when it usually averages around 30°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -5°C. The rainiest month is July.
The cheapest airline that flies to Philadelphia is Air Canada .

Travelling from Seoul to Philadelphia: what you need to know

  • Seoul is home to two main airports where you can kick off your travels. Check out your options for reserving a flight from Seoul to Philadelphia departing from Incheon International Airport (ICN) or Gimpo International Airport (GMP).

  • Hop off the plane at Philadelphia's chief entry point, Philadelphia International Airport (PHL).

  • Philadelphia's timezone is UTC-5, making Philadelphia 14 hours behind Seoul.

  • To ensure you catch your Seoul to Philadelphia flight, leave plenty of time to check in and drop off your luggage. Turning up two hours before international departures and an hour before domestic flights is the general rule.

  • You can expect longer lines in popular months such as August. Arriving up to four hours ahead of international flights and two hours for domestic departures is a smart move.

How to find the cheapest flights from Seoul to Philadelphia

  • Booking ahead of time is often the key to securing a cheap Seoul to Philadelphia flight. Prices tend to rise as demand increases, so the closer you get to departure, the more it could cost you.

  • The 'Whole month' tool will show you the cheapest plane tickets from Seoul to Philadelphia across every month. It's a great way to snap up a bargain if your plans aren't set in stone.

  • Locking in a cheap flight from Seoul to Philadelphia is easy with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch when the price has dropped.

  • Pick your preferred departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your Seoul to Philadelphia flight results by 'Best,' 'Fastest' or 'Cheapest.'

Flying from Seoul

Incheon International Airport (ICN)

  • Consider adding a stopover to potentially save on your Seoul to Philadelphia flight. Just deselect 'Direct flights only' when browsing departures from Incheon International Airport. Break up your trip (and maybe save some cash) by stopping at one of these popular airports:

    • Atlanta Hartsfield-Jackson Airport (ATL)

    • Toronto Pearson International Airport (YYZ)

    • Washington Dulles Airport (IAD)

  • ICN is around 48 kilometres from central Seoul. If you're ride-sharing, catching a taxi or driving from the centre, it'll take 1 hour 5 minutes or so to get there, depending on traffic. If you're planning to take public transport, expect the journey time to be around 50 minutes.

  • Booked an early flight from Seoul to Philadelphia? Avoid the hassle of rushing to the airport (and sneak in some extra precious sleep) by choosing one of these stays close to Incheon International Airport:

  • Of the departures from Incheon International Airport, 74% arrive on time at their destination.

Gimpo International Airport (GMP)

  • GMP is around 18 kilometres from central Seoul. It takes 30 minutes or so to get to the airport if you're driving from the city centre. Public transport takes roughly 35 minutes.

  • You're going on holiday, so why not spend an extra night away from home? Think about staying at one of these accommodation options near Gimpo International Airport the day before your flight from Seoul to Philadelphia:

  • Flights from Gimpo International Airport have a strong track record for punctuality, with 81% of them landing on schedule.

Arriving in Philadelphia

Philadelphia International Airport (PHL)

  • Philadelphia International Airport (PHL) is approximately 11 kilometres from the centre of Philadelphia. If you're catching a taxi or a ride-share, the drive takes around 20 minutes.

  • If you're taking public transport, expect a journey time of about 30 minutes.

  • If you have a late flight from Seoul to Philadelphia, nothing beats the convenience of staying close to the terminal. Grab your bags from the carousel and then be showered and resting not long after at one of these accommodation options near PHL:

  • Pick up a Philadelphia International Airport rental car and discover Philadelphia and beyond with your own set of wheels. Dollar, Thrifty and Budget are popular outlets you can book with here.

  • Booking your vehicle from Philadelphia International Airport about three weeks ahead can help you get the lowest rate.

  • You'll find PHL at 8500 Essington Ave.

Philadelphia Trenton-Mercer Airport (TTN)

  • Once your flight from Seoul to Philadelphia has hit the tarmac, you can get to the city centre in around 40 minutes by car. Central Philadelphia is approximately 48 kilometres from Philadelphia Trenton-Mercer Airport (TTN).

  • If you're travelling on public transport, it'll take approximately 1 hour 35 minutes.

  • After your flight from Seoul to Philadelphia, tuck yourself in at a hotel close to TTN. These are some comfortable accommodation options that'll help you slip into relaxation mode:

  • The fastest way to get to where you're going is with a Philadelphia Trenton-Mercer Airport rental car. Grab your wheels from Budget, National or Enterprise and be off and running.

  • Get first dibs on the best options. Reserving your ride from TTN four weeks ahead of time often means lower prices and a wider choice of vehicles.

  • The address for Philadelphia Trenton-Mercer Airport is Scotch Road, Terminal Building.

Best time to go to Philadelphia

  • It's time to choose your trip dates for your flight from Seoul to Philadelphia. August is the most popular month to visit Philadelphia. If you want a more low-key vibe, go in March.

  • When booking your Seoul to Philadelphia tickets, consider the weather you're most comfortable in. July is the warmest month in Philadelphia, with temperatures ranging from 18ºC to 32ºC.

  • If you want to travel in cooler conditions, look for a cheap flight from Seoul to Philadelphia in January when temperatures average between -7ºC and 9ºC.

More about Philadelphia

Explore more of the United States

  • New York is just one of the many places in the United States waiting to be explored once you've taken in the sights of Philadelphia. Around 129 kilometres to the northeast, popular attractions include Central Park, Statue of Liberty and The Metropolitan Museum of Art.

  • Boston is another well-known destination in the United States and is around 434 kilometres northeast of Philadelphia. No journey is complete without visiting Museum of Fine Arts, Boston, Freedom Trail and Boston Tea Party Ships & Museum.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.