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

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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 $1,555. Find the lowest prices on one-way and return tickets right here.

Seoul.$1,555 per passenger.Departing Mon, 24 Aug, returning Mon, 31 Aug.Return flight with Frontier Airlines and Air Premia.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Mon, 24 Aug, arriving in Incheon International.Inbound indirect flight with Air Premia, departs from Incheon International on Mon, 31 Aug, arriving in Philadelphia International.Price includes taxes and charges.From $1,555, select.

Seoul.$1,723 per passenger.Departing Sun, 13 Sep, returning Mon, 21 Sep.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Philadelphia International on Sun, 13 Sep, arriving in Incheon International.Inbound indirect flight with Air Canada, departs from Incheon International on Mon, 21 Sep, arriving in Philadelphia International.Price includes taxes and charges.From $1,723, select.

Seoul.$1,728 per passenger.Departing Wed, 14 Oct, returning Tue, 20 Oct.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Philadelphia International on Wed, 14 Oct, arriving in Incheon International.Inbound indirect flight with Air Canada, departs from Incheon International on Tue, 20 Oct, arriving in Philadelphia International.Price includes taxes and charges.From $1,728, select.

Seoul.$1,735 per passenger.Departing Wed, 30 Sep, returning Wed, 7 Oct.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Philadelphia International on Wed, 30 Sep, arriving in Incheon International.Inbound indirect flight with Air Canada, departs from Incheon International on Wed, 7 Oct, arriving in Philadelphia International.Price includes taxes and charges.From $1,735, select.

Seoul.$1,737 per passenger.Departing Mon, 15 Mar, returning Mon, 22 Mar.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Philadelphia International on Mon, 15 Mar, arriving in Incheon International.Inbound indirect flight with Air Canada, departs from Incheon International on Mon, 22 Mar, arriving in Philadelphia International.Price includes taxes and charges.From $1,737, select.

Seoul.$1,771 per passenger.Departing Fri, 12 Feb, returning Mon, 22 Feb.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Philadelphia International on Fri, 12 Feb, arriving in Incheon International.Inbound indirect flight with Air Canada, departs from Incheon International on Mon, 22 Feb, arriving in Philadelphia International.Price includes taxes and charges.From $1,771, select.

Seoul.$1,780 per passenger.Departing Sun, 21 Mar, returning Sat, 10 Apr.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Philadelphia International on Sun, 21 Mar, arriving in Incheon International.Inbound indirect flight with Air Canada, departs from Incheon International on Sat, 10 Apr, arriving in Philadelphia International.Price includes taxes and charges.From $1,780, select.

Seoul.$1,788 per passenger.Departing Tue, 17 Nov, returning Sat, 21 Nov.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Philadelphia International on Tue, 17 Nov, arriving in Incheon International.Inbound indirect flight with Air Canada, departs from Incheon International on Sat, 21 Nov, arriving in Philadelphia International.Price includes taxes and charges.From $1,788, select.

Seoul.$1,790 per passenger.Departing Wed, 25 Nov, returning Wed, 9 Dec.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Philadelphia International on Wed, 25 Nov, arriving in Incheon International.Inbound indirect flight with Air Canada, departs from Incheon International on Wed, 9 Dec, arriving in Philadelphia International.Price includes taxes and charges.From $1,790, select.

Seoul.$1,808 per passenger.Departing Tue, 20 Oct, returning Tue, 17 Nov.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Philadelphia International on Tue, 20 Oct, arriving in Incheon International.Inbound indirect flight with Air Canada, departs from Incheon International on Tue, 17 Nov, arriving in Philadelphia International.Price includes taxes and charges.From $1,808, select.

Seoul.$1,854 per passenger.Departing Sat, 31 Oct, returning Tue, 1 Dec.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Philadelphia International on Sat, 31 Oct, arriving in Incheon International.Inbound indirect flight with Air Canada, departs from Incheon International on Tue, 1 Dec, arriving in Philadelphia International.Price includes taxes and charges.From $1,854, select.

Seoul.$1,866 per passenger.Departing Tue, 1 Dec, returning Tue, 15 Dec.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Philadelphia International on Tue, 1 Dec, arriving in Incheon International.Inbound indirect flight with Air Canada, departs from Incheon International on Tue, 15 Dec, arriving in Philadelphia International.Price includes taxes and charges.From $1,866, select.

Seoul.$1,891 per passenger.Departing Mon, 31 Aug, returning Tue, 8 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Mon, 31 Aug, arriving in Incheon International.Inbound indirect flight with Delta, departs from Incheon International on Tue, 8 Sep, arriving in Philadelphia International.Price includes taxes and charges.From $1,891, select.

Seoul.$1,977 per passenger.Departing Tue, 21 Jul, returning Fri, 28 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Tue, 21 Jul, arriving in Incheon International.Inbound indirect flight with Delta, departs from Incheon International on Fri, 28 Aug, arriving in Philadelphia International.Price includes taxes and charges.From $1,977, select.

Seoul.$1,977 per passenger.Departing Wed, 19 Aug, returning Fri, 14 May.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Wed, 19 Aug, arriving in Incheon International.Inbound indirect flight with Delta, departs from Incheon International on Fri, 14 May, arriving in Philadelphia International.Price includes taxes and charges.From $1,977, select.

Seoul.$2,040 per passenger.Departing Sun, 16 Aug, returning Sat, 3 Oct.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Philadelphia International on Sun, 16 Aug, arriving in Incheon International.Inbound indirect flight with Air Canada, departs from Incheon International on Sat, 3 Oct, arriving in Philadelphia International.Price includes taxes and charges.From $2,040, 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.

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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 $3,012

Search flights

Incheon International

48km from central Seoul

Cheapest

from $1,555

Search flights

Philadelphia to Seoul: Flight information

The things to know before you go.

Cheapest flight found	$1,555
Cheapest month to fly	August

Finding cheap flights from Philadelphia to Seoul: Frequently asked questions

How many airports are there in Seoul?

There are 2 airports in Seoul: Gimpo International and Incheon International.

How much are return flights from Philadelphia to Seoul?

The best price we found for a return flight from Philadelphia to Seoul is $1,555. 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.

Which airlines fly direct from Philadelphia to Seoul?

Currently, there are no airlines that fly direct from Philadelphia to Seoul. But we found flights with one or more stops from $1,552.

How many flights are there a week from Philadelphia to Seoul?

As of July 2026, there are no flights flying from Philadelphia to Seoul.

When is the cheapest time to fly from Philadelphia to Seoul?

The cheapest month to fly from Philadelphia to Seoul is usually August.

Which is the cheapest airport to fly into in Seoul?

If you're flying from Philadelphia, the cheapest airport near Seoul is Incheon International – which is 47.9 km away from the centre of Seoul. We've found flights into this airport from $1,555.

Which upcoming date is cheapest to fly from Philadelphia to Seoul on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Philadelphia to Seoul on Monday, 24 August 2026.

Can I get a direct flight from Philadelphia to Seoul?

No airlines currently offer direct flights between Philadelphia and Seoul. Most routes have one or more stops.

How can I get the best flight deal from Philadelphia to Seoul?

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.

When is the best time to book flights to Seoul?

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.

What’s the weather like in Seoul?

In July, the average temperature is usually around 24°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.

Which is the cheapest airline to fly from Philadelphia to Seoul with?

The cheapest airline that flies to Seoul is Frontier Airlines .

Travelling from Philadelphia to Seoul: what you need to know

Philadelphia's main base, Philadelphia International Airport (PHL), is where many unforgettable trips begin. Explore the departure options from here when searching for a flight from Philadelphia to Seoul.
Incheon International Airport (ICN) and Gimpo International Airport (GMP) are Seoul's major gateways.
Seoul's timezone is UTC+9, which makes Seoul 14 hours ahead of Philadelphia.
For stress-free travel, arrive at the airport two hours ahead of international flights and an hour before domestic departures. That way, you can comfortably board your Philadelphia to Seoul flight.
Flying during a popular month such as August? Public holidays and other popular seasons can mean longer lines and delays at security. Play it safe and arrive up to four hours before international flights 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 locking in a cheap Philadelphia to Seoul flight. Fares tend to rise as seats fill up, so the nearer you get to departure, the more you'll likely spend on your ticket.
If you're willing to be flexible with your travel dates, use the 'Whole month' search tool. It'll give you the lowest price in each month when searching for your plane ticket from Philadelphia to Seoul.
You don't need to check back in every day to see if prices have dropped when you create a Price Alert. We'll let you know the moment a better deal is available on cheap flights from Philadelphia to Seoul.
Choose your ideal departure and arrival times, airlines and number of stops by using the filters. Or sort your Philadelphia to Seoul flight results by 'Fastest,' 'Best' or 'Cheapest.'

Flying from Philadelphia

Philadelphia International Airport (PHL)

Stopovers are the ideal opportunity to take a travel break — and perhaps even explore another city. When browsing Philadelphia to Seoul flights leaving from Philadelphia International Airport, deselect the 'Direct flights only' box to see where you can stop along the way. Some popular options include:
- Boston Logan International Airport (BOS)
- Harry Reid International Airport (LAS)
- Washington Dulles Airport (IAD)
Located around 11 kilometres from central Philadelphia, PHL can be reached in about 20 minutes by car, depending on traffic. The journey on public transport will take roughly 30 minutes.
Planning to catch an early flight from Philadelphia to Seoul? Avoid rushing to the terminal (and sneak in some extra snooze time) by choosing one of these hotels close to Philadelphia International Airport:
77% of flights that take off from Philadelphia International Airport make it to their destination on schedule.
You'll find PHL at 8500 Essington Ave.

Arriving in Seoul

Incheon International Airport (ICN)

The distance from Incheon International Airport (ICN) to central Seoul is approximately 48 kilometres. It'll take you about 1 hour 5 minutes to reach the centre driving.
Getting there by public transport takes about 50 minutes.
If you have a late flight from Philadelphia to Seoul, few things beat the convenience of staying close to the terminal. Grab your luggage from the carousel and then be showered and resting soon after at one of these hotels near ICN:
Fast-track your adventure by picking up a Incheon International Airport rental car. Grab a set of wheels from WECAR, Hi Rent A Car or Alamo to explore Seoul and beyond.
Booking your vehicle from Incheon International Airport around four weeks ahead gives you the best shot at securing a great deal.

Gimpo International Airport (GMP)

The centre of Seoul is located around 18 kilometres from Gimpo International Airport (GMP). After your flight from Philadelphia to Seoul has landed and you've made your way through the terminal, expect a drive of about 30 minutes.
The trip will take approximately 35 minutes on public transport.
Place the 'Do not disturb' sign on your door and relax at a hotel close to GMP. Here are a few options where you can check in after your flight from Philadelphia to Seoul:
Forget about inconvenient public transport schedules or taxi lines. Pick up a Gimpo International Airport rental car and go in any direction that inspires you. Compare offers from GOGO Rent a Car, Gogo Rental Car Seoul and Hi Rent A Car.
Get what you want, not just what's left over. Booking your ride from GMP one week ahead of time often means more savings and a wider choice of vehicles.

Best time to go to Seoul

August is the busiest month for flights from Philadelphia to Seoul. To escape the crowds, head to Seoul in March.
The warmest month in Seoul is August, with temperatures ranging between 19ºC and 32ºC. Book your Philadelphia to Seoul ticket then if that's your idea of comfortable weather.
Look for cheap flights from Philadelphia to Seoul in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -12ºC and 4ºC on average.

More about Seoul

When it comes to looking for somewhere to rest your head, you'll find the top stays in Seoul right here. Browse these hotels once you've locked in your flight from Philadelphia to Seoul:
Gyeongbokgung Palace and Bukchon Hanok Village are a couple of top-rated attractions to add to your Seoul itinerary. Keep the sightseeing going at N Seoul Tower.

Explore more of South Korea

Busan is just one of the many places in South Korea waiting to be explored once you've seen the sights of Seoul. Around 338 kilometres to the southeast, its top attractions include Gamcheon Culture Village, Haeundae Beach and Oryukdo Skywalk.
Incheon is another well-known destination in South Korea and is around 27 kilometres southwest of Seoul. No trip is complete without visiting Songdo Central Park, Songdo Hanok Village and Wolmi Theme Park.