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Flights from Philadelphia to Seoul

What to know about flights from Philadelphia to Seoul?

The approximate distance between Philadelphia and Seoul is 11,116.32 km. According to Trip.com data, travel demand hits its peak in January. The cheapest month to book flights is September.

Cheapest one-way
US$495
Air Canada Air Canada PHL-SEL 35h 20m · 1 stop Sun, Nov 8
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Cheapest round-trip
US$1,004
Delta Air Lines Delta Air Lines PHL-SEL 35h 50m · 2 stops Sat, Dec 5 - Tue, Dec 8
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Recommended airlines
Air Canada Air Canada Cheapest · From US$495 Air Canada Air Canada Most booked
When to fly
February
Cheapest
January
Peak season
Route details
11,116.32 km
Flight distance

Explore the cheapest one-way and round-trip flights from Philadelphia to Seoul over the next 90 days, with one-way fares from US$495 and round-trip from US$1,004. Based on Trip.com's latest 7-day flight data.

      • PHL 13:40
        35h 50m
        1 stop
        ICN 15:30
        Philadelphia - Seoul | Sat, Dec 5 | Delta Air Lines
        ICN 19:25
        28h 4m
        1 stop
        PHL 09:29
        Seoul - Philadelphia | Tue, Dec 8 | Delta Air Lines
        US$1,004 US$1,268
        21% off
        21% off
        US$1,268 US$1,004
      • PHL 17:24
        33h 26m
        1 stop
        ICN 16:50
        Philadelphia - Seoul | Sat, Nov 21 | Delta Air Lines
        ICN 18:45
        24h 58m
        1 stop
        PHL 05:43
        Seoul - Philadelphia | Fri, Nov 27 | Delta Air Lines
        US$1,016 US$1,268
        20% off
        20% off
        US$1,268 US$1,016
      • PHL 05:35
        20h 15m
        1 stop
        ICN 15:50
        Philadelphia - Seoul | Thu, Nov 19 | Delta Air Lines
        ICN 19:25
        19h 29m
        1 stop
        PHL 00:54
        Seoul - Philadelphia | Sun, Nov 22 | Delta Air Lines
        US$1,034 US$1,268
        18% off
        18% off
        US$1,268 US$1,034
      • PHL 06:00
        20h 50m
        1 stop
        ICN 16:50
        Philadelphia - Seoul | Thu, Nov 26 | Delta Air Lines
        ICN 09:35
        23h 55m
        1 stop
        PHL 19:30
        Seoul - Philadelphia | Wed, Dec 2 | Delta Air Lines
        US$1,050
        17% off
        US$1,268 US$1,050
      • PHL 08:10
        23h 10m
        1 stop
        ICN 21:20
        Philadelphia - Seoul | Sun, Nov 15 | American Airlines
        ICN 19:45
        25h 39m
        1 stop
        PHL 07:24
        Seoul - Philadelphia | Sun, Nov 22 | Air Premia
        US$1,073
        15% off
        US$1,268 US$1,073
      • PHL 08:10
        23h 10m
        1 stop
        ICN 21:20
        Philadelphia - Seoul | Wed, Nov 4 | American Airlines
        ICN 19:45
        25h 35m
        1 stop
        PHL 07:20
        Seoul - Philadelphia | Sat, Nov 7 | Air Premia
        US$1,073
        15% off
        US$1,268 US$1,073
      • PHL 08:10
        23h 10m
        1 stop
        ICN 21:20
        Philadelphia - Seoul | Fri, Nov 6 | American Airlines
        ICN 19:45
        25h 35m
        1 stop
        PHL 07:20
        Seoul - Philadelphia | Wed, Nov 11 | Air Premia
        US$1,073
        15% off
        US$1,268 US$1,073
      • PHL 08:15
        23h 5m
        1 stop
        ICN 21:20
        Philadelphia - Seoul | Sat, Nov 7 | American Airlines
        ICN 19:45
        25h 35m
        1 stop
        PHL 07:20
        Seoul - Philadelphia | Fri, Nov 13 | Air Premia
        US$1,073
        15% off
        US$1,268 US$1,073
      • PHL 08:21
        23h 59m
        1 stop
        ICN 21:20
        Philadelphia - Seoul | Wed, Oct 28 | American Airlines
        ICN 19:45
        25h 35m
        1 stop
        PHL 07:20
        Seoul - Philadelphia | Wed, Nov 4 | Air Premia
        US$1,077
        15% off
        US$1,268 US$1,077
      • PHL 08:21
        23h 59m
        1 stop
        ICN 21:20
        Philadelphia - Seoul | Fri, Oct 30 | American Airlines
        ICN 19:45
        25h 35m
        1 stop
        PHL 07:20
        Seoul - Philadelphia | Wed, Nov 4 | Air Premia
        US$1,077
        15% off
        US$1,268 US$1,077
      • PHL 13:00
        17h 25m
        1 stop
        SEL 14:00
        Philadelphia - Seoul | Mon, Oct 12 | Normal Airline
        SEL 15:00
        6h
        Nonstop
        PHL 16:00
        Seoul - Philadelphia | Wed, Oct 14 | Normal Airline
        More cheap flights
        More cheap flights
      • PHL 17:05
        35h 20m
        1 stop
        ICN 18:25
        Philadelphia - Seoul | Sun, Nov 8 | Air Canada
        US$495 US$799
        38% off
        38% off
        US$799 US$495
      • PHL 09:15
        19h 10m
        1 stop
        ICN 18:25
        Philadelphia - Seoul | Tue, Nov 10 | Air Canada
        US$510 US$799
        36% off
        36% off
        US$799 US$510
      • PHL 17:05
        35h 20m
        1 stop
        ICN 18:25
        Philadelphia - Seoul | Wed, Nov 11 | Air Canada
        US$513 US$799
        36% off
        36% off
        US$799 US$513
      • PHL 17:05
        35h 20m
        1 stop
        ICN 18:25
        Philadelphia - Seoul | Mon, Nov 2 | Air Canada
        US$535
        33% off
        US$799 US$535
      • PHL 09:15
        19h 10m
        1 stop
        ICN 18:25
        Philadelphia - Seoul | Fri, Nov 13 | Air Canada
        US$550
        31% off
        US$799 US$550
      • PHL 17:05
        35h 20m
        1 stop
        ICN 18:25
        Philadelphia - Seoul | Sun, Nov 15 | Air Canada
        US$601
        25% off
        US$799 US$601
      • PHL 09:15
        19h 10m
        1 stop
        ICN 18:25
        Philadelphia - Seoul | Tue, Nov 17 | Air Canada
        US$609
        24% off
        US$799 US$609
      • PHL 08:10
        23h 10m
        1 stop
        ICN 21:20
        Philadelphia - Seoul | Wed, Nov 11 | American Airlines
        US$645
        19% off
        US$799 US$645
      • PHL 17:05
        35h 20m
        1 stop
        ICN 18:25
        Philadelphia - Seoul | Sat, Nov 14 | Air Canada
        US$672
        16% off
        US$799 US$672
      • PHL 08:10
        23h 10m
        1 stop
        ICN 21:20
        Philadelphia - Seoul | Wed, Nov 4 | American Airlines
        US$679
        15% off
        US$799 US$679
      • PHL 13:00
        17h 25m
        1 stop
        SEL 14:00
        Philadelphia - Seoul | Mon, Oct 12 | Normal Airline
        More cheap flights
        More cheap flights

Which airlines are the most popular for Philadelphia to Seoul flights?

You can choose from 2 airlines that fly from Philadelphia to Seoul, including Air Canada, Korean Air, Air Canada has lowest fares on this route.
Air Canada logo Air Canada
Korean Air logo Korean Air
Airlines are determined based on actual purchased flight tickets from Philadelphia to Seoul according to previous 12 months data from Trip.com.

Frequently Asked Questions

  • What are the cheapest flights from Philadelphia to Seoul (PHL-SEL)?

    Based on Trip.com data, Air Canada offers one-way fares as low as US$495 on Cheapest nonstop routes (e.g. PHL to ICN on Sun, Nov 8), while Delta Air Lines offers Cheapest nonstop round-trips from US$1,004 departing on Sat, Dec 5 and returning on Tue, Dec 8.
  • At the moment, several airlines serve connecting flights from Philadelphia to Seoul, including: Korean Air Air Canada Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Philadelphia to Seoul is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Philadelphia to Seoul, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sun, Nov 8, with one-way flights priced at just US$495.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Air Canada.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Seoul travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Philadelphia to Seoul is September, when demand for travel is lower.
  • After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Philadelphia to Seoul on October 10, 2026 with Delta Air Lines, with prices starting at US$1,011.
  • You can land at any one of the following hubs in Seoul: Gimpo International Airport (GMP), and Incheon International Airport (ICN). Flying from Philadelphia International Airport to Incheon International Airport (PHL-ICN) is by far the most common option on this route.
  • The time difference between Seoul and Philadelphia is 14h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Philadelphia to Seoul is US$909. Fares vary by travel date, airline and availability.
  • Enter Philadelphia and Seoul, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

Trip.com Airline Insights on Flights from Philadelphia to Seoul

Which airline offers the cheapest direct flights from Philadelphia to Seoul?

Data is based on the average price of all nonstop flights from Philadelphia to Seoul on Trip.com over the past 12 months.

Based on Trip.com’s data from the past 12 months, Hawaiian Airlines provides the lowest-priced direct flights from Philadelphia to Seoul, with fares starting at US$731.

US$555
US$731
US$908
US$1,084
US$1,260
Hawaiian Airlines
US$731
Hawaiian Airlines
United Airlines
US$895
United Airlines
Korean Air
US$946
Korean Air
Air Canada
US$995
Air Canada
Delta Air Lines
US$1,030
Delta Air Lines
American Airlines
US$1,260
American Airlines

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Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.