Cheap flights from Philadelphia to Seoul

Compare Philadelphia to Seoul flight deals

Find the cheapest month or even day of the year to fly to Seoul

Book the best Seoul fare with no extra fees

Flight deals from Philadelphia to Seoul

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

Find the cheapest month to fly from Philadelphia to Seoul

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

Alternative Philadelphia to Seoul routes

Looking for the cheapest, fastest or easiest route from Philadelphia 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$824
Cheapest month to flyNovember

Finding cheap flights from Philadelphia to Seoul: Frequently asked questions

There are 2 airports in Seoul: Gimpo International and Incheon International.
The best price we found for a round-trip flight from Philadelphia to Seoul is $824. 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 to Seoul. But we found flights with one or more stops from $824.
There are no flights flying from Philadelphia to Seoul, as of February 2026.
The cheapest month to fly from Philadelphia to Seoul is usually November.
If you're flying from Philadelphia, the cheapest airport near Seoul is Incheon International – which is 47.8 km away from the center of Seoul. We've found flights to this airport from $824.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Philadelphia to Seoul on Sunday, November 8, 2026.
No airlines currently offer direct flights between Philadelphia 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 February, the average temperature is usually around -2°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.
The cheapest airline that flies to Seoul is Air Canada.

Flying from Philadelphia to Seoul: what you need to know

  • Planning your vacation starts with working out where you'll fly out of in Philadelphia. Philadelphia International Airport (PHL) is the city's main base, so explore your options for booking a flight from Philadelphia to Seoul jetting off from here.

  • Incheon International Airport (ICN) and Gimpo International Airport (GMP) are Seoul's major entry points.

  • Seoul is 13 hours ahead of Philadelphia and observes the UTC+9 timezone.

  • Give yourself enough time to catch your Philadelphia to Seoul flight. A good rule of thumb is to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Flying during a peak time such as August? Public holidays and other high seasons can lead to longer queues and delays at security. Be extra cautious and arrive up to four hours ahead of an international flight and two hours before a domestic departure.

How to find the cheapest flights from Philadelphia to Seoul

  • Booking ahead of time is often the key to scoring a cheap Philadelphia to Seoul flight. Fares tend to rise as seats fill up, so the closer your departure date, the more you'll likely spend on your ticket.

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

  • You don't need to check every day to see if prices have dropped when you create a Price Alert. We'll tell you the moment a better deal comes up on cheap flights from Philadelphia to Seoul.

  • Tailor your trip using filters. Select your ideal departure and arrival times, total journey duration and airlines. You can also sort the results by 'Fastest,' 'Cheapest' or 'Best' Philadelphia to Seoul flights.

Flying from Philadelphia

Philadelphia International Airport (PHL)

  • Consider adding a stopover to potentially find a cheaper Philadelphia to Seoul flight. Simply deselect 'Direct flights only' when searching for departures from Philadelphia International Airport. Take a break (and maybe save some cash) by stopping at one of these airports:

    • Logan International Airport (BOS)

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

    • Washington Dulles International Airport (IAD)

  • PHL is around 11 kilometers from central Philadelphia. If you're driving, ride-sharing or catching a cab from the center, it'll take you 15 minutes or so to get there, depending on the traffic. If you're using public transport, expect the travel time to be around 45 minutes.

  • Catching an early flight from Philadelphia to Seoul? Avoid the stress of rushing to the terminal (and sneak in some extra snooze time) by choosing one of these hotels near Philadelphia International Airport:

  • 78.93% of flights that take off from Philadelphia International Airport make it to their destination on time.

  • PHL is located at 8500 Essington Ave.

Arriving in Seoul

Incheon International Airport (ICN)

  • The center of Seoul is roughly 48 kilometers from Incheon International Airport (ICN). How long it takes to drive there will vary depending on time of day, so do some research before you go.

  • When traveling on public transport, expect a journey time of roughly 1 hour 45 minutes.

  • Book a hotel near ICN if you're coming in on a late flight from Philadelphia to Seoul. Select one of these options and avoid the hassle of a long transfer:

  • Travel at your own pace with an Incheon International Airport rental car. Pick up a set of wheels from WECAR, Hi Rent A Car or Alamo and see more of Seoul and beyond.

  • Lock in the lowest price by reserving your vehicle from Incheon International Airport around four weeks ahead of your trip.

Gimpo International Airport (GMP)

  • If you're staying in Seoul's center (or just want to see the sights straight away), the city is around 16 kilometers from Gimpo International Airport (GMP). Look for any visitor information desks to get directions after hopping off your flight from Philadelphia to Seoul.

  • You can expect the trip to take roughly 1 hour 5 minutes on public transport.

  • Hang the 'Do not disturb' sign on your door and rest at a hotel close to GMP. Here are a few options where you can take a load off after your flight from Philadelphia to Seoul:

  • GOGO Rent a Car, Gogo Rental Car Seoul and Hi Rent A Car make picking up a Gimpo International Airport rental car easy and quick. These companies are located around or in the terminal and will get you on your way in no time.

  • Avoid last-minute price surges. Booking your ride one week ahead of your arrival at GMP can get you a lower rate.

Best time to go to Seoul

  • April is the quietest month for flights from Philadelphia to Seoul, while July is the busiest. Pick the ideal time to go to Seoul based on whether you like a laid-back vibe or a lively atmosphere.

  • Lock in a Philadelphia to Seoul ticket departing in August if you're eager to visit the city during its warmest month. Expect temperatures in Seoul to range from 19ºC (66ºF) to 32ºC (90ºF).

  • January has average temperatures of between -12ºC (10ºF) and 4ºC (39ºF). Search for cheap flights from Philadelphia to Seoul around that time if you want to travel in cooler conditions.

More about Seoul

  • Once you've booked your flight from Philadelphia to Seoul, take your pick from prime hotels that put you close to the action. Make one of these accommodation options your base for exploring Seoul:

  • There are so many things to discover in this city it can be hard to know where to start. Gyeongbokgung Palace, Bukchon Hanok Village and N Seoul Tower are popular attractions which should feature on any good Seoul itinerary.

Explore more of South Korea

  • Busan is just one of the many places in South Korea waiting to be explored after you've seen Seoul. Around 322 kilometers to the south-east, check out popular attractions including Haeundae Beach, Gamcheon Culture Village and Beomeosa Temple.

  • Incheon is another must-experience destination in South Korea and is around 56 kilometers west of Seoul. No journey is complete without visiting Lawn Square of Incheon International Airport, Yeongjong Sky City No.23 Park and 스카이72 GC 바다코스.

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