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Flight distance & time
Seattle Tacoma International Airport → Incheon International Airport
SEAICN
- Distance
- 8,372 km · 5,202 mi
- Flight time
- 11h 12m
- CO₂ per passenger
- 753 kg
This Seattle Tacoma International Airport → Incheon International Airport route is 8,372 km (5,202 mi) end to end. The estimated flight time is 11h 12m, and a passenger's share of CO₂ works out at roughly 753 kg.
See the reverse route: Incheon International Airport → Seattle Tacoma International Airport
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Your route
- FromSEASeattle Tacoma International AirportSeattle, Washington
- ToICNIncheon International AirportSeoul, Incheon
Flight map
Track your lifetime distance flown across every trip.
Route service
Average daily flights~5 flights/day
Airlines on this route
Air IncheonAlaska AirlinesAsiana AirlinesDelta Air LinesKorean Air
Common questions
Seattle Tacoma International Airport to Incheon International Airport FAQ
How far is Seattle Tacoma International Airport from Incheon International Airport?
Seattle Tacoma International Airport (SEA) and Incheon International Airport (ICN) are 8,372 km (5,202 mi) apart, measured along the great-circle route.
How long is the flight from Seattle Tacoma International Airport to Incheon International Airport?
A direct SEA–ICN flight covers the distance in about 11h 12m, though the exact time shifts with aircraft type and winds.
How much CO₂ does a flight from Seattle Tacoma International Airport to Incheon International Airport produce?
A passenger's share of CO₂ on the SEA–ICN route is roughly 753 kg.
Which airlines fly from Seattle Tacoma International Airport to Incheon International Airport?
Air Incheon, Alaska Airlines, Asiana Airlines, Delta Air Lines, Korean Air operate scheduled service between SEA and ICN.
Flight distance and time are estimates for ideal conditions — actual figures vary with aircraft type, routing and weather.
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