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Cheap Flights from Philadelphia (PHL) to Seoul (ICN)

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      Travellers and cabin class, 1 Adult, Economy

      Compare Philadelphia International to Incheon International flight deals

      Find the cheapest month or even day of the year to fly to Incheon International

      Book the best Incheon International fare with no extra fees

      Flight deals from Philadelphia International to Incheon International

      Looking for a cheap last-minute deal or the best return flight from Philadelphia International Airport to Incheon International Airport? If you want to travel next month, return fares start from $1,408. Find the lowest prices on one-way and return tickets right here.
      Seoul.$1,408 per passenger.Departing Thu, 15 Oct, returning Thu, 22 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Thu, 15 Oct, arriving in Incheon International.Inbound indirect flight with Delta, departs from Incheon International on Thu, 22 Oct, arriving in Philadelphia International.Price includes taxes and charges.From $1,408, select.
      Seoul.$1,459 per passenger.Departing Fri, 6 Nov, returning Sat, 14 Nov.Return flight with Frontier Airlines and Air Premia.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Fri, 6 Nov, arriving in Incheon International.Inbound indirect flight with Air Premia, departs from Incheon International on Sat, 14 Nov, arriving in Philadelphia International.Price includes taxes and charges.From $1,459, select.
      Seoul.$1,467 per passenger.Departing Mon, 26 Oct, returning Mon, 2 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Mon, 26 Oct, arriving in Incheon International.Inbound indirect flight with Delta, departs from Incheon International on Mon, 2 Nov, arriving in Philadelphia International.Price includes taxes and charges.From $1,467, select.
      Seoul.$1,467 per passenger.Departing Thu, 3 Dec, returning Sun, 6 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Thu, 3 Dec, arriving in Incheon International.Inbound indirect flight with Delta, departs from Incheon International on Sun, 6 Dec, arriving in Philadelphia International.Price includes taxes and charges.From $1,467, select.
      Seoul.$1,471 per passenger.Departing Mon, 21 Sep, returning Sat, 24 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Mon, 21 Sep, arriving in Incheon International.Inbound indirect flight with Delta, departs from Incheon International on Sat, 24 Oct, arriving in Philadelphia International.Price includes taxes and charges.From $1,471, select.
      Seoul.$1,471 per passenger.Departing Wed, 16 Sep, returning Wed, 30 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Wed, 16 Sep, arriving in Incheon International.Inbound indirect flight with Delta, departs from Incheon International on Wed, 30 Sep, arriving in Philadelphia International.Price includes taxes and charges.From $1,471, select.
      Seoul.$1,471 per passenger.Departing Tue, 20 Oct, returning Sun, 20 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Tue, 20 Oct, arriving in Incheon International.Inbound indirect flight with Delta, departs from Incheon International on Sun, 20 Dec, arriving in Philadelphia International.Price includes taxes and charges.From $1,471, select.
      Seoul.$1,471 per passenger.Departing Wed, 23 Sep, returning Wed, 18 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Wed, 23 Sep, arriving in Incheon International.Inbound indirect flight with Delta, departs from Incheon International on Wed, 18 Nov, arriving in Philadelphia International.Price includes taxes and charges.From $1,471, select.
      Seoul.$1,493 per passenger.Departing Tue, 12 Jan, returning Wed, 27 Jan.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Philadelphia International on Tue, 12 Jan, arriving in Incheon International.Inbound indirect flight with Air Canada, departs from Incheon International on Wed, 27 Jan, arriving in Philadelphia International.Price includes taxes and charges.From $1,493, select.
      Seoul.$1,498 per passenger.Departing Mon, 5 Apr, returning Mon, 12 Apr.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Philadelphia International on Mon, 5 Apr, arriving in Incheon International.Inbound indirect flight with Air Canada, departs from Incheon International on Mon, 12 Apr, arriving in Philadelphia International.Price includes taxes and charges.From $1,498, select.
      Seoul.$1,501 per passenger.Departing Mon, 9 Nov, returning Wed, 20 Jan.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Philadelphia International on Mon, 9 Nov, arriving in Incheon International.Inbound indirect flight with Air Canada, departs from Incheon International on Wed, 20 Jan, arriving in Philadelphia International.Price includes taxes and charges.From $1,501, select.
      Seoul.$1,501 per passenger.Departing Tue, 10 Aug, returning Tue, 17 Aug.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Philadelphia International on Tue, 10 Aug, arriving in Incheon International.Inbound indirect flight with Air Canada, departs from Incheon International on Tue, 17 Aug, arriving in Philadelphia International.Price includes taxes and charges.From $1,501, select.
      Seoul.$1,515 per passenger.Departing Mon, 28 Dec, returning Mon, 25 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Mon, 28 Dec, arriving in Incheon International.Inbound indirect flight with Delta, departs from Incheon International on Mon, 25 Jan, arriving in Philadelphia International.Price includes taxes and charges.From $1,515, select.
      Seoul.$1,515 per passenger.Departing Thu, 3 Dec, returning Wed, 5 May.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Thu, 3 Dec, arriving in Incheon International.Inbound indirect flight with Delta, departs from Incheon International on Wed, 5 May, arriving in Philadelphia International.Price includes taxes and charges.From $1,515, select.
      Seoul.$1,523 per passenger.Departing Tue, 1 Dec, returning Wed, 17 Feb.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Tue, 1 Dec, arriving in Incheon International.Inbound indirect flight with Delta, departs from Incheon International on Wed, 17 Feb, arriving in Philadelphia International.Price includes taxes and charges.From $1,523, select.
      Seoul.$1,523 per passenger.Departing Tue, 1 Dec, returning Wed, 28 Apr.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Tue, 1 Dec, arriving in Incheon International.Inbound indirect flight with Delta, departs from Incheon International on Wed, 28 Apr, arriving in Philadelphia International.Price includes taxes and charges.From $1,523, select.
      How did we find these deals? The deals you see here are the lowest prices for flight tickets from Philadelphia International to Incheon International found in the last 4 days, and are subject to change and availability.

      Find the cheapest month to fly from Philadelphia International to Incheon International

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Philadelphia International to Incheon International flights are currently cheapest in October.
      Sep
      from $1,471
      Oct
      from $1,408
      Nov
      from $1,459
      Dec
      from $1,467
      Jan
      from $1,493
      Feb
      Find prices
      Mar
      from $1,556
      Apr
      from $1,498
      May
      from $1,954
      Jun
      from $1,937
      Jul
      from $1,606
      Aug
      from $1,501

      Philadelphia International to Incheon International: Alternative routes

      Compare routes from Philadelphia International to Seoul below. You may find an airport to fly into that's cheaper, faster, or easier than Incheon International.

      Gimpo International

      17km from central Seoul
      Closest
      from $2,109
      Search flights

      Incheon International

      48km from central Seoul
      Cheapest
      from $1,408
      Search flights

      Philadelphia to Seoul: Flight information

      The things to know before you go.
      Cheapest flight found$1,408
      Cheapest month to flyOctober

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

      The best price we found for a return flight from Philadelphia International to Incheon International is $1,408. 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 Incheon International. But we found flights with one or more stops from $1,408.
      As of September 2026, there are no flights flying from Philadelphia International to Incheon International.
      The cheapest month to fly from Philadelphia International to Incheon International is usually October.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Philadelphia International Airport to Incheon International Airport on Thursday, 15 October 2026.
      No airlines currently offer direct flights between Philadelphia International Airport and Incheon International Airport. 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 Incheon International 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.

      Currently, Delta offers the cheapest flight tickets to Incheon International.

      Flying from Philadelphia International Airport (PHL) to Incheon International Airport (ICN): what you need to know

      • Seoul is 14 hours ahead of Philadelphia and is in the UTC+9 timezone.

      • Your PHL to ICN flight won't wait if you're running late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

      • During popular months such as August, you'll want to get to the airport earlier than usual. Arrive two hours before domestic departures and four hours ahead for an international flight whenever you're travelling during a peak period in general.

      • Consider adding a stopover when booking your ticket from Philadelphia International Airport to Incheon International Airport. Just uncheck 'Direct flights only' to break up your journey, or perhaps see a new city along the way. Here's where you can stop between PHL and ICN:

        • Boston Logan International Airport

        • Harry Reid International Airport

        • Washington Dulles Airport

      Handy information about Philadelphia International Airport (PHL)

      • PHL is located at 8500 Essington Ave.

      • When it comes to Philadelphia International Airport's on-time performance, data shows 77% of flights stick to their scheduled arrival time.

      • Central Philadelphia to Philadelphia International Airport is approximately 18 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're driving, catching a taxi or ride-sharing.

      • The trip on public transport takes about 30 minutes.

      • Taking an early flight from Philadelphia International Airport to Incheon International Airport? Avoid the stress of rushing to the airport (and catch some extra z's) by choosing one of these hotels near PHL:

      Arriving at Incheon International Airport (ICN)

      Getting from Incheon International Airport (ICN) to central Seoul

      • Incheon International Airport is approximately 48 kilometres from the centre of Seoul. The drive time takes about 1 hour 5 minutes.

      • It'll take around 50 minutes to get there by public transport.

      When to fly to Incheon International Airport (ICN)

      • August is the most popular month for flights from Philadelphia International Airport to Incheon International Airport. To escape the crowds, visit Seoul in March.

      • The warmest month in Seoul is August, with temperatures ranging between 19ºC (66ºF) and 32ºC (90ºF). Book your flights from Philadelphia International Airport to Incheon International Airport in this month if this is the type of weather you like.

      • January sees average temperatures of between -12ºC (10ºF) and 4ºC (39ºF). Look for cheap tickets from PHL to ICN sometime then if you'd rather travel in cooler conditions.

      Explore more of South Korea

      • Busan is just one of the many cities in South Korea waiting to be discovered once you've seen Seoul. Around 322 kilometres away to the south-east, popular attractions include Gamcheon Culture Village, Haeundae Beach and Beautiful View Busan - Diamond Bridge.

      • If you're looking to explore another side of South Korea, consider Incheon, roughly 56 kilometres west of Seoul. INSPIRE Arena, Wangsan Beach and Seokmodo Natural Forest are among the biggest draws.

      Plan smart, explore more

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      Plan the rest of your trip from Philadelphia to Seoul

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