Distance between Seattle, WA (SEA) and Seoul (ICN)
Distance from Seattle to Seoul (Seattle–Tacoma International Airport – Seoul Incheon International Airport) is 5217 miles / 8396 kilometers / 4533 nautical miles.
Calculate Distance
Search by airport name, city or IATA airport code.
Multiple airports
Seattle - Seoul
How far is Seoul from Seattle?
There are several ways to calculate distances between Seattle and Seoul. Here are two common methods:
Vincenty's formula (applied above)- 5216.922 miles
- 8395.821 kilometers
- 4533.381 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.
Haversine formula- 5203.796 miles
- 8374.698 kilometers
- 4521.975 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
Flight duration
Estimated flight time from Seattle–Tacoma International Airport (SEA) to Seoul Incheon International Airport (ICN) is 10 hours 22 minutes.
Time difference and current local times
The time difference between Seattle and Seoul is 16 hours. Seoul is 16 hours ahead of Seattle.
Time Difference
Seattle, WA
Seoul
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 620 kg (1 367 pounds).
Airport information
| A | Seattle–Tacoma International Airport |
|---|---|
| City: | Seattle, WA |
| Country: | United States  |
| IATA Code: | SEA |
| ICAO Code: | KSEA |
| Coordinates: | 47°26′56″N, 122°18′32″W |
| B | Seoul Incheon International Airport |
|---|---|
| City: | Seoul |
| Country: | South Korea  |
| IATA Code: | ICN |
| ICAO Code: | RKSI |
| Coordinates: | 37°27′36″N, 126°26′26″E |
Seattle to Seoul flight path
Shortest flight path between Seattle–Tacoma International Airport (SEA) and Seoul Incheon International Airport (ICN).
Frequent Flyer Miles Calculator
Seattle (SEA) → Seoul (ICN).
In total
Round trip?