Flights from Seattle Airport (SEA) to Incheon Airport Airport (ICN)

We've found the cheapest flights to Seoul

Returns from £788.55

One-way from £421.71

Flying to Incheon International is very easy as there are 7 airliners who offer flights from Seattle-Tacoma International including United Airlines, Thai Airways, Singapore Airlines, Etihad Airways, Asiana Airlines, Korean Air and Delta Air Lines. The flight time is approximately 10 Hours 39 Minutes.

The most expensive flight prices are typically at weekends and daytime flights. The cheapest flights available will generally be mid week or late in the evening, so if you are on a budget then these are the flight times you should consider. Alternatively, you could book well in advance and you flight could be up to 50% cheaper, especially with budget airliners. The ticket prices for most airliners will increase the closer you get the departure date, so as soon as you know the date you will travel you should book your flights.

The time zone at Incheon International is different from Seattle-Tacoma International, so please be aware of this when making travel arrangements.

For a full summary of all the airliners that fly from Seattle-Tacoma International to Incheon International, please see the table below.

Flights Chart
AirlinerMoTuWeThFrSaSuFirst FlightLast FlightFlights
Korean Air222222210:4116:15VIEW FLIGHTS
Delta Air Lines222222210:4115:55VIEW FLIGHTS
Asiana Airlines222111203:3017:35VIEW FLIGHTS
United Airlines111111112:4517:50VIEW FLIGHTS
Thai Airways111111112:4517:50VIEW FLIGHTS
Singapore Airlines111111112:4517:50VIEW FLIGHTS
Etihad Airways111111111:0015:55VIEW FLIGHTS

Most people choose to fly with Korean Air. They offer the largest number of flights so they have times which are most likely to suite you. The flights they offer will go by the flight numbers KE42 and KE5020 with times between 10:41 and 16:15.

If you would like more information on this flight the please visit the website for Korean Air at koreanair.com. You will be able to find the latest availability, prices and make your booking online.

Flight times for the route are summarised in the table below. These time were correct at the time of writing, but please be aware that times may vary from time to time so please check their website for exact times and the dates you wish to fly.

Flights Time In WeekDays
DayFlight TimesFlights
Monday
03:30
AirlineFlight  No
Asiana AirlinesOZ2819
10:41
AirlineFlight  No
Korean AirKE5020
Delta Air LinesDL197
11:00
AirlineFlight  No
Korean AirKE42
Delta Air LinesDL7838
Etihad AirwaysEY8494
12:45
AirlineFlight  No
United AirlinesUA7292
Thai AirwaysTG6752
Singapore AirlinesSQ5771
Asiana AirlinesOZ271
VIEW FLIGHTS
Tuesday
06:40
AirlineFlight  No
Asiana AirlinesOZ2819
10:41
AirlineFlight  No
Korean AirKE5020
Delta Air LinesDL197
11:00
AirlineFlight  No
Korean AirKE42
Delta Air LinesDL7838
Etihad AirwaysEY8494
12:45
AirlineFlight  No
United AirlinesUA7292
Thai AirwaysTG6752
Singapore AirlinesSQ5771
Asiana AirlinesOZ271
VIEW FLIGHTS
Wednesday
10:41
AirlineFlight  No
Korean AirKE5020
Delta Air LinesDL197
11:00
AirlineFlight  No
Korean AirKE42
Delta Air LinesDL7838
Etihad AirwaysEY8494
12:45
AirlineFlight  No
United AirlinesUA7292
Thai AirwaysTG6752
Singapore AirlinesSQ5771
Asiana AirlinesOZ271
17:35
AirlineFlight  No
Asiana AirlinesOZ241
VIEW FLIGHTS
Thursday
10:41
AirlineFlight  No
Korean AirKE5020
Delta Air LinesDL197
11:00
AirlineFlight  No
Korean AirKE42
Delta Air LinesDL7838
Etihad AirwaysEY8494
12:45
AirlineFlight  No
United AirlinesUA7292
Thai AirwaysTG6752
Singapore AirlinesSQ5771
Asiana AirlinesOZ271
VIEW FLIGHTS
Friday
10:41
AirlineFlight  No
Korean AirKE5020
Delta Air LinesDL197
11:00
AirlineFlight  No
Korean AirKE42
Delta Air LinesDL7838
Etihad AirwaysEY8494
12:45
AirlineFlight  No
United AirlinesUA7292
Thai AirwaysTG6752
Singapore AirlinesSQ5771
Asiana AirlinesOZ271
VIEW FLIGHTS
Saturday
10:41
AirlineFlight  No
Korean AirKE5020
Delta Air LinesDL197
11:00
AirlineFlight  No
Korean AirKE42
Delta Air LinesDL7838
Etihad AirwaysEY8494
12:45
AirlineFlight  No
United AirlinesUA7292
Thai AirwaysTG6752
Singapore AirlinesSQ5771
Asiana AirlinesOZ271
VIEW FLIGHTS
Sunday
10:10
AirlineFlight  No
Asiana AirlinesOZ241
10:41
AirlineFlight  No
Delta Air LinesDL197
11:00
AirlineFlight  No
Korean AirKE42
12:45
AirlineFlight  No
Asiana AirlinesOZ271
15:55
AirlineFlight  No
Delta Air LinesDL7838
Etihad AirwaysEY8494
16:15
AirlineFlight  No
Korean AirKE5020
17:50
AirlineFlight  No
United AirlinesUA7292
Thai AirwaysTG6752
Singapore AirlinesSQ5771
VIEW FLIGHTS

If you are flexible on the airport you depart from, then there are other airports that offer direct flights to Incheon International. You can see full details of these below.

Alternative Direct Routes
RouteStopsDistanceFlying Time
Richmond Vancouver to Seoul Incheon 010 Hours 27 Minutes

Before you book your flights make sure you your passport is valid and preferably has at least 6 months or more left before it expires. To renew your passport it can take several weeks to renew and with many airliners flights are not refundable.

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Flight Price FAQ - Seattle (SEA) to Seoul (ICN)

DIRECT Asiana Airlines
What is the cheapest direct flight one way from Seattle SEA to Seoul ICN?
The cheapest direct flight one way from Seattle SEA to Seoul ICN is £421.71 ($515 €499.67)
£421.71
$515 | €499.67
Check Latest Price
DIRECT Korean Air
What is the cheapest direct return flight from Seattle SEA to Seoul ICN?
The cheapest direct return flight from Seattle SEA to Seoul ICN is £788.55 ($963 €934.33)
£788.55
$963 | €934.33
Check Latest Price
1+ STOP(S)
What is the cheapest flight one way from Seattle SEA to Seoul ICN?
The cheapest flight one way from Seattle SEA to Seoul ICN is £357.84 ($437 €423.99)
£357.84
$437 | €423.99
Check Latest Price
1+ STOP(S)
What is the cheapest return flight from Seattle SEA to Seoul ICN?
The cheapest return flight from Seattle SEA to Seoul ICN is £659.17 ($805 €781.04)
£659.17
$805 | €781.04
Check Latest Price
Important Note: Prices shown are taken from searches performed for flights operating during the current month. Please use the "Latest Price" buttons to get the most up to date airfares.

Compare Flight Prices from SEA to ICN

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Flight Info FAQ - Seattle (SEA) to Seoul (ICN)

Who flies from Seattle to Seoul?
The following airlines fly from Seattle (SEA) to Seoul (ICN): Asiana Airlines, Delta Air Lines, Etihad Airways, Korean Air, Singapore Airlines, Thai Airways, United Airlines.
How far is the flight from Seattle to Seoul?
The flight from Seattle to Seoul is 8,373KM or 5,203 miles.
How long does the flight from Seattle to Seoul to take?
The flight from Seattle to Seoul takes 10 Hours 39 Minutes.

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