Skyscanner home

C$667 Cheap Flights from Philadelphia (PHLA) to Seoul (SELA)

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

TrustScore 4.5 out of 5 4.5 out of 5 based on 982 reviews Trustpilot

Flight deals from Philadelphia to Seoul

Looking for a cheap last-minute deal or the best return flight from Philadelphia to Seoul? If you want to travel next month, return fares start from C$1,729. Find the lowest prices on one-way and return tickets right here.
Seoul.C$667 per passenger.Departing Fri., Aug. 7.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Fri., Aug. 7, arriving in Incheon International.Price includes taxes and charges.From C$667, select.
Seoul.C$842 per passenger.Departing Thu., Sep. 17.One-way flight with jetBlue.Outbound indirect flight with jetBlue, departs from Philadelphia International on Thu., Sep. 17, arriving in Incheon International.Price includes taxes and charges.From C$842, select.
Seoul.C$858 per passenger.Departing Sat., Nov. 14.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Philadelphia International on Sat., Nov. 14, arriving in Incheon International.Price includes taxes and charges.From C$858, select.
Seoul.C$876 per passenger.Departing Tue., Oct. 20.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Philadelphia International on Tue., Oct. 20, arriving in Incheon International.Price includes taxes and charges.From C$876, select.
Seoul.C$885 per passenger.Departing Wed., Jul. 22.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Wed., Jul. 22, arriving in Incheon International.Price includes taxes and charges.From C$885, select.
Seoul.C$942 per passenger.Departing Wed., Apr. 21.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Philadelphia International on Wed., Apr. 21, arriving in Incheon International.Price includes taxes and charges.From C$942, select.
Seoul.C$944 per passenger.Departing Mon., Feb. 15.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Philadelphia International on Mon., Feb. 15, arriving in Incheon International.Price includes taxes and charges.From C$944, select.
Seoul.C$944 per passenger.Departing Wed., Jan. 27.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Philadelphia International on Wed., Jan. 27, arriving in Incheon International.Price includes taxes and charges.From C$944, select.
Seoul.C$949 per passenger.Departing Tue., Mar. 9.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Philadelphia International on Tue., Mar. 9, arriving in Incheon International.Price includes taxes and charges.From C$949, select.
Seoul.C$968 per passenger.Departing Mon., Jun. 8.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Philadelphia International on Mon., Jun. 8, arriving in Incheon International.Price includes taxes and charges.From C$968, select.
Seoul.C$1,154 per passenger.Departing Tue., Dec. 1.One-way flight with United.Outbound indirect flight with United, departs from Philadelphia International on Tue., Dec. 1, arriving in Incheon International.Price includes taxes and charges.From C$1,154, select.

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 August.
Jun.
from C$968
Jul.
from C$885
Aug.
from C$667
Sep.
from C$842
Oct.
from C$876
Nov.
from C$858
Dec.
from C$1,154
Jan.
from C$944
Feb.
from C$944
Mar.
from C$949
Apr.
from C$942
May
Find prices

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.

Gimpo International

17km from central Seoul
Closest
from C$845
Search flights

Incheon International

48km from central Seoul
Cheapest
from C$667
Search flights

Philadelphia to Seoul: Flight information

The things to know before you go.
Cheapest flight foundC$667
Cheapest month to flyAugust

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 return flight from Philadelphia to Seoul is C$1,381. 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 C$1,381.
As of June 2026, there are no flights flying from Philadelphia to Seoul.
The cheapest month to fly from Philadelphia to Seoul is usually September.
If you're flying from Philadelphia, 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 C$1,381.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Philadelphia to Seoul on Thursday, September 10, 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 June, the average temperature is usually around 20°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 Alaska Airlines .

Flying from Philadelphia to Seoul: what you need to know

  • Philadelphia International Airport (PHL) is Philadelphia's main airport. Check out your options for reserving a flight from Philadelphia to Seoul taking off from here.

  • Step off your plane in Seoul at Incheon International Airport (ICN) or Gimpo International Airport (GMP).

  • Leave enough time to make your flight from Philadelphia to Seoul. As a general rule, turn up two hours before international departures and an hour ahead for domestic flights.

  • Flying during a peak month such as August? Public holidays and other high seasons can mean longer lines and delays at check-in and security. Play things extra safe and arrive up to four hours ahead of international flights and two hours before a domestic departure.

  • You will need an ETA for South Korea if you have a passport from United States and are visiting for tourism purposes. Travel documentation and visa requirements are subject to change. So before you book your cheap flights from Philadelphia to Seoul, check with your airline and your destination country's local embassy or consulate for the latest updates.

Flying from Philadelphia

Philadelphia International Airport (PHL)

  • Think about adding a stopover to potentially save money on your flight from Philadelphia to Seoul. Just uncheck 'Direct flights only' when searching for departures from Philadelphia International Airport. Take a pause at one of these popular options:

    • Washington Dulles International Airport (IAD)

    • Logan International Airport (BOS)

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

  • PHL is about 19 kilometres from central Philadelphia. If you're driving, catching a cab or ride-sharing from the centre, it'll take 17 minutes or so to get there, depending on traffic conditions. If you're planning to take public transport, expect the journey time to be around 44 minutes.

  • Planning to catch an early flight from Philadelphia to Seoul? Avoid the stress of rushing to the terminal (and enjoy a little extra shut-eye) by picking one of these stays close to Philadelphia International Airport:

Arriving in Seoul

Incheon International Airport (ICN)

  • Incheon International Airport (ICN) is approximately 48 kilometres from central Seoul. How long it takes to get there by cab or car rental will depend on the time of day. Do some research before you go.

  • When travelling by public transport, expect a journey of roughly 1 hour and 44 minutes.

  • The last thing you want is a lengthy journey to your hotel if you're getting in late on a flight from Philadelphia to Seoul. Reserve one of these accommodation options near ICN instead:

Gimpo International Airport (GMP)

  • Gimpo International Airport (GMP) is about 16 kilometres from central Seoul. Explore your options for heading into town after your flight from Philadelphia to Seoul has landed.

  • You can expect the journey to take roughly 1 hour and 3 minutes on public transport.

  • You'll find some comfortable hotels to drop your things at near GMP. Tuck yourself in after your flight from Philadelphia to Seoul at one of these well-located options:

How to find the cheapest flights from Philadelphia to Seoul

  • The lowest price we've found for a one-way ticket from Philadelphia to Seoul is C$667. For a return flight on this route, the best price is C$1,381. Depending on when you book and the availability, these fares could change.

  • To score cheap flights from Philadelphia to Seoul, book as early as you can. Airlines typically offer lower fares when flights are first made available.

  • Finding cheap flights from Philadelphia to Seoul is more likely if you can be flexible with your travel dates. Use the 'Whole month' search function to show the lowest prices throughout the month and score a great deal.

  • Finding a cheap ticket from Philadelphia to Seoul couldn't be easier with Price Alerts. All you need to do is create one of these automatic alerts and we'll let you know as soon as there's a better deal.

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

Best time to go to Seoul

  • It's time to plan your trip dates for your flight from Philadelphia to Seoul. July is the busiest month to travel to Seoul. If you like a quieter atmosphere, go in April.

  • Book your flight from Philadelphia to Seoul for August if you'd like to explore the city during its warmest month. Expect temperatures in Seoul to range from 19ºC to 32ºC.

  • Look for cheap flights from Philadelphia to Seoul in January if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between -12ºC and 4ºC on average.

More about Seoul

  • Start your Seoul trip off on the right foot by choosing the perfect place to stay. As soon as you've booked your flight from Philadelphia to Seoul, explore our range of accommodation options including:

  • Every great journey has to include a little sightseeing. Gyeongbokgung Palace, Bukchon Hanok Village and N Seoul Tower are essential stops on your Seoul itinerary.

Complete your Seoul trip with a car rental

  • Check out our range of car rentals once you've found your hotel and cheap flight from Philadelphia to Seoul. Whether you're searching for an economy ride, a standard vehicle or something in between, you can compare companies in one go to find the best deal.

Plan the rest of your trip from Philadelphia to Seoul

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