United Airlines Seattle to Seoul Flights

Return flight: Seoul – Seattle

Cheapflightsplus.com will find cheap United Airlines flights from Seattle to Seoul. Compare airline ticket prices and book air tickets starting from $678 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of United Airlines, arrivals and departure details below.

Find Cheap Airfare Seattle (WA) — Seoul by United Airlines

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in march: one-way - $678, two-way – $1163.
Direct flights
  • Check to choose departure date Check to choose departure date
Check prices for return flight
Find flights
Below is a detailed 2025 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.
Departure Arrival Flight Details Flight Time Price
4:58 pm — 5:40 am
+2 days
4:58 pm — 7:10 pm UA2482 United Airlines
Seattle — San Francisco
4h 35m stop
11:45 pm — 5:40 am UA805 United Airlines
San Francisco — Seoul
19h 42m
including layover
Find flight
from$912
7:15 am — 4:15 pm
+1 day
7:05 am — 9:25 am UA1403 United Airlines
Seattle — San Francisco
54m stop
10:30 am — 4:15 pm UA893 United Airlines
San Francisco — Seoul
16h
including layover
Find flight
from$896
7:32 pm — 5:40 am
+2 days
12:55 pm — 3:12 pm UA737 United Airlines
Seattle — San Francisco
1h 55m stop
11:45 pm — 5:40 am UA805 United Airlines
San Francisco — Seoul
17h 8m
including layover
Find flight
from$678
*Departure and arrival times are local. Last updated on 02/23/2025

Flight Information

There are 4 flights by United Airlines from Seattle to Seoul every week with departures from Seattle-Tacoma Intl, Boeing Field International Airport, Kenmore Air Harbor SPB. All flights arrive at Incheon International, Gimpo International, Seoul AB.

Departures start from 4:58 pm to 7:32 pm. Nonstop flight is 16h. The time difference between Seattle and Seoul is 5h.

  • The fastest flight 16h
  • Average flight time 17h 8m
  • The earliest flight 4:58 pm
  • The latest flight 7:32 pm
  • Distance 5180 ml

The cheapest months for traveling to Seoul are november (from 678 $), january (from 896 $), february (from 912 $).

The cheapest flight by United Airlines that our users were able to find is $678. This airfare is economy class on one-way UA737 flight for February 21, 2025 leaving Seattle-Tacoma Intl in Seattle at 7:32 pm, it includes all taxes and additional fees.

Find same flight?

Other Popular Airlines on the Route

Besides United Airlines there are other 15 airline carriers between Seattle and Seoul. Please review schedules and prices from the most popular airlines to find the best airfare deals from Seattle to Seoul.

Nonstop flights

There are 1 direct flights every day from Seattle. Airlines and fares are below:

See more direct flights

Connecting Flights

List of flights with layovers (1 and more stops):

See more connecting flights

How to book an air ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected airfare.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

Back