Asiana Airlines
Star Alliance
Did you mean flights from Seoul to Seattle / Tacoma?
United States
Seattle–Tacoma International Airport
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South Korea
Incheon International Airport
Click to show full flight schedule
Scan through all non-stop flights from Seattle / Tacoma to Seoul. The full flight schedule below gives an overview of all non-stop flights from SEA to ICN, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
Seoul is a humid subtropical or warm-temperate destination, featuring hot, humid summers with temperatures typically around 30°C (86°F) and mild to cool winters. The region is known for consistent rainfall throughout the year, peaking in summer. The area is known for its vibrant urban energy, diverse landscapes, and numerous outdoor activities.
You can visit Seoul any time of the year, but the best months to explore are from to and from to .
In total there are 5 airlines operating nonstop flights from Seattle / Tacoma SEA to Seoul ICN. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.
Click an airline below to view their SEA ICN flight schedule.
Flights from SEA to ICN are operated 22 times a week, with an average of 3 flights per day. Departure times vary between 00:10 - 14:45. The earliest flight departs at 00:10, the last flight departs at 14:45. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.
You can fly in Economy, Business Class and First Class. Premium Economy is not available on this route (at least not as a non-stop flight).
The fastest direct flight from Seattle / Tacoma to Seoul takes 12 hours and 20 minutes. The flight distance between Seattle / Tacoma and Seoul is 5,200 miles (or 8,369 km).
There are 2 airports in Seoul: Incheon International Airport (ICN) and Gimpo International Airport (Kimpo Airport) (GMP).
There are 22 flights per week flying from Seattle / Tacoma to Seoul (as of April 2026).
12 hours and 20 minutes is the average flight time from Seattle / Tacoma to Seoul.
The distance from Seattle / Tacoma to Seoul is 5,200 miles (8,369 kilometers).
Alaska, Asiana Airlines, Delta, Hawaiian Airlines and Korean Air are flying nonstop from Seattle / Tacoma to Seoul.
Oneworld, SkyTeam and Star Alliance are flying nonstop from Seattle / Tacoma to Seoul.
You can fly non-stop in Economy, Business Class and First Class.
Aircraft types that fly from Seattle / Tacoma to Seoul:
The earliest flight departs at 00:10 from Seattle / Tacoma and arrives at 04:20 at Seoul.
The latest flight departs at 14:45 from Seattle / Tacoma and arrives at 18:35 at Seoul.
5,200 miles (8,369 km) · 12h 20m
00:55
05:15
Asiana Airlines
Star Alliance
OZ 271
Asiana Airlines
Boeing 777-200LR
Y
W
J
F
00:55
05:15
Asiana Airlines
Star Alliance
OZ 271
Asiana Airlines
Boeing 777-200LR
Y
W
J
F
00:55
05:15
Asiana Airlines
Star Alliance
OZ 271
Asiana Airlines
Boeing 777-200LR
Y
W
J
F
00:55
05:15
Asiana Airlines
Star Alliance
OZ 271
Asiana Airlines
Boeing 777-200LR
Y
W
J
F
00:55
05:15
Asiana Airlines
Star Alliance
OZ 271
Asiana Airlines
Boeing 777-200LR
Y
W
J
F
12:50
16:40
Korean Air
SkyTeam
KE 42
Korean Air
Boeing 787-10
Y
W
J
F
13:00
16:50
Delta
SkyTeam
DL 197
Delta
Airbus A350-900
Y
W
J
F
13:00
16:50
Delta
SkyTeam
DL 197
Delta
Airbus A350-900
Y
W
J
F
13:00
16:50
Delta
SkyTeam
DL 197
Delta
Airbus A350-900
Y
W
J
F
13:00
16:50
Delta
SkyTeam
DL 197
Delta
Airbus A350-900
Y
W
J
F
13:00
16:50
Delta
SkyTeam
DL 197
Delta
Airbus A350-900
Y
W
J
F
13:40
17:30
Alaska
Oneworld
AS 178
Alaska
Boeing 787-9
Y
W
J
F
13:40
17:30
Alaska
Oneworld
AS 171
Alaska
Boeing 787-9
Y
W
J
F
14:45
18:35
Hawaiian Airlines
HA 871
Hawaiian Airlines
Boeing 787-9
Y
W
J
F
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