Korean Air flights from SEA to ICN
Find comprehensive Korean Air flight information, schedules, and booking details for direct flights from SEA to ICN. Korean Air operates 4-5 flights daily flights on this route.• Flight Duration: 11h 20m - 12h 20m (average flight time)• Distance: 5232 miles (8418 km) (air miles between airports)• Daily Flights: 4-5 flights (scheduled departures per day)
SEA
ICN
FLIGHT TIME
11h 20m - 12h 20m
FLIGHT DISTANCE
5232 miles (8418 km)
11h 55m - 11h 55m
11:00
11:00
5232 miles (8418 km)
October
1 (Show)
24
Korean Air Flight Schedule from SEA to ICN
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
KE42 |  Korean Air | 11:00 | 15:55:00 | Boeing 787-10 |
Korean Air Monthly Flight Calendar
December 2025
Route Insights
Pricing patterns: October typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 11:00, offering more flight options and potentially better connections.
SEA - ICN flight price statistics
$1301
ApproximateThe numbers are average prices found based on user searches for direct flights between the airports. It's calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.
$1280
Jan$1170
Feb$1170
Mar$1174
Apr$1312
May$2341
Jun$1441
Jul$1269
Aug$1101
Sep$1064
Oct$1064
Nov$1226
DecKorean Air Terminal Information
Terminal information for Korean Air on this route is currently being updated. Please check back soon or contact the airports directly for terminal details.
Frequently Asked Questions about Korean Air Flights
How many Korean Air flights operate from SEA to ICN?
Korean Air operates 1 flight from SEA to ICN.
What city does ICN airport serve?
ICN airport serves Jung-gu.
How long is the Korean Air flight from SEA to ICN?
The flight duration is approximately 11h 20m - 12h 20m.
What is the distance from SEA to ICN?
The distance is 5232 miles (8418 km).
What aircraft does Korean Air use on this route?
Korean Air uses Boeing 787-10 on this route.
Which other airlines operate on this route?
2 other airlines operate on this route: Asiana Airlines, Delta Air Lines.
What is the cheapest month to fly Korean Air from SEA to ICN?
October is typically the cheapest month to fly Korean Air on this route.
What is the average price for a Korean Air flight from SEA to ICN?
The average price for a round-trip Korean Air flight on this route is approximately $1301. Prices can vary based on booking time and demand.
How many Korean Air flights operate per week on this route?
Korean Air operates approximately 24 flights per week from SEA to ICN.