Distance between Seattle, WA (SEA) and Seoul (ICN)
Distance from Seattle–Tacoma International Airport to Incheon International Airport is 5217 miles / 8396 kilometers / 4533 nautical miles.
Calculations with different 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).
Flight duration
Estimated flight time from Seattle–Tacoma International Airport (SEA) to 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
Seoul
Seattle, WA
PDT
Seoul
KST
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 | Incheon International Airport |
|---|---|
| City: | Seoul |
| Country: | South Korea  |
| IATA Code: | ICN |
| ICAO Code: | RKSI |
| Coordinates: | 37°27′36″N, 126°26′26″E |
Map
Flight map from Seattle to Seoul.
Frequent Flyer Miles Calculator
Seattle (SEA) → Seoul (ICN).
Elite level bonus (%):
Booking class bonus (%):
Air miles:
5217
Elite level bonus:
0
Booking class bonus:
0
In total
Total frequent flyer miles:
5217
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