Search flights from Seattle (SEA) to Seoul (SEL)

Book your plane tickets from Seattle to Seoul with ease

Cheapest flights to Seoul

The cheapest flights available in the next 60 days – prices are updated regularly

Tue 3 Feb
US$637.76
One way
Economy
1 traveller
Tue 10 Feb
US$638.12
One way
Economy
1 traveller
Wed 11 Feb
US$645.86
One way
Economy
1 traveller

Flying from Seattle to Seoul: things to know

The most popular route is from Sea-Tac Airport in Seattle to Incheon International Airport in Seoul. On average this flight takes 12 hours 3 minutes one way and costs US$1,660 for the round trip.

Most popular route
Sea-Tac Airport (SEA) to Incheon International Airport (ICN)
Average flight time
12 hours 3 minutes
Average round-trip price
US$1,660
Fly from Seattle to Seoul
12 airlines

Reasons to book flights with Booking.com

  • Great selection

    Easily compare flights, airlines and prices – all in one place

  • No hidden fees

    Always know exactly what you’re paying for

  • Flexibility

    Use our flexible plane ticket option to change your dates if needed

Flexible plane ticket options are available for an additional cost on selected airfares

Airlines that fly from Seattle to Seoul

Airline options may vary according to recently booked flights and your search terms

  • Asiana Airlines
  • Korean Air
  • Air Canada
  • China Airlines
  • Hawaiian Airlines
  • Alaska Airlines
  • All Nippon Airways
  • Japan Airlines
  • United Airlines
  • Westjet
  • Turkish Airlines
  • Eva Air

Frequently asked questions

Fly to more destinations from Seattle

Research, refine and make plans for your whole trip

Hotels in Seoul

Thinking about which towns and cities to visit during your trip? Try Seoul, a popular choice with other visitors.

Flights from Seattle to South Korea

Plan your next getaway from Seattle.

Flights from the United States to South Korea

More options to fly to South Korea.

Flights to Incheon International Airport

Jet into this airport to explore Seoul at your leisure.

Flights to Gimpo International Airport

Jet into this airport to explore Seoul at your leisure.

All flights

Fly to your next dream destination.