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Find cheap one-way flights from Seoul to Philadelphia starting at US$574.

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to book flights from Seoul to Philadelphia?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Cheapest airlines flights from Seoul to Philadelphia

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Air Canada
From US$574
American Airlines
From US$574
Air Premia
From US$600
ZIPAIR
From US$615
Xiamen Airlines
From US$625
Delta Air Lines
From US$634
Korean Air
From US$652
United Airlines
From US$668
Sichuan Airlines
From US$674
WestJet
From US$734
ANA airlines

Find more flights and airlines

Find cheap flights from Seoul to Philadelphia by different airports

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Seoul to Philadelphia.

  • Cheapest
    Air Canada
    ICN
    18:00
    34h 29m
    1 transfer
    PHL
    15:29
    Incheon International Airport - Philadelphia International Airport
    Tue, Jun 25Air Canada
    US$574
  • Air Canada
    ICN
    19:05
    36h 49m
    2 transfer
    TTN
    18:54
    Incheon International Airport - Trenton Mercer Airport
    Tue, May 14Air Canada
    US$618
  • China Eastern Airlines
    GMP
    20:50
    39h 46m
    2 transfer
    PHL
    23:36
    Gimpo International Airport - Philadelphia International Airport
    Mon, Apr 15China Eastern Airlines
    US$740
  • China Eastern Airlines
    GMP
    20:50
    39h 46m
    2 transfer
    PHL
    23:36
    Gimpo International Airport - Philadelphia International Airport
    Mon, Apr 15China Eastern Airlines
    US$740
    Find More Flights

Frequently Asked Questions

  • When are flight tickets from Seoul (SEL) to Philadelphia (PHL) the cheapest?

    Airlines adjust prices for flights from Seoul to Philadelphia based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from Seoul (SEL) to Philadelphia (PHL) cost?

    According to Trip.com's data, the lowest price is around $1,843.

Seoul to Philadelphia Flight Information

Cheapest nonstop flight price

$573

Off-season for travel

March

Peak season for travel

September