Seattle to Seoul Flights SEA → ICN

Seattle–Tacoma International Airport → Incheon International Airport

🇺🇸 Seattle, US → 🇰🇷 Seoul, KR

The Seattle to Seoul route connects Seattle–Tacoma International Airport (SEA) in US with Incheon International Airport (ICN) in KR. This long-haul flight covers approximately 5530 miles (8900 km) with a typical flight time of 11h 4m. This route is served by 5 airlines: Korean Air, Asiana, Hawaiian Airlines and others. AirportRoutes has tracked 7 daily flights on this route.

Departure Airport

Seattle–Tacoma International Airport

ICAO Code:
KSEA
IATA Code:
SEA
City:
🇺🇸 Seattle
Country:
US
Elevation:
433 ft

Destination Airport

Incheon International Airport

ICAO Code:
RKSI
IATA Code:
ICN
City:
🇰🇷 Seoul
Country:
KR
Elevation:
23 ft

5

Operators

7

Daily Flights

5530

Miles

11h 4m

Flight Duration

Route Map

Operating Airlines

Airline ICAO IATA
Korean Air KAL KE
Asiana AAR OZ
Hawaiian Airlines HAL HA
Delta Air Lines DAL DL
AirZeta AIH KJ

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 9 13%
Tuesday 9 13%
Wednesday 8 11%
Thursday 11 16%
Friday 16 23%
Saturday 9 13%
Sunday 8 11%

Pattern Analysis

7 Daily Flights:
KAL234 AAR241 KAL42 DAL197 HAL871 AAR243 AIH241
Data Points: 70
API observations used to build this analysis
Weekdays: 53 flights
Weekend: 17 flights
Business Route More active on weekdays

All Flight Routes

5 Routes
Note: This table shows aggregated route data by airline. Each airline may operate multiple daily flights at different times. See the "Spotted Departure Times" section below for all observed departure times.
Airline Flight Numbers Aircraft Type Typical Time Days Active Last Seen Status
AirZeta
AIH / KJ
AIH241 B744 06:15 6:15 AM (Representative)
M T W T F S S
Jan 12, 2026 Active
Asiana
AAR / OZ
AAR241 AAR243 B741 10:20 10:20 AM (Representative)
M T W T F S S
Jan 7, 2026 Active
DAL197 A359 11:25 11:25 AM (Representative)
M T W T F S S
Jan 29, 2026 Active
HAL871 B789 13:40 1:40 PM (Representative)
M T W T F S S
Jan 1, 2026 Active
Korean Air
KAL / KE
KAL234 KAL42 B748 05:40 5:40 AM (Representative)
M T W T F S S
Jan 31, 2026 Active
Total Routes: 5
Active Routes: 5
Unique Airlines: 5
Aircraft Types: 5

Spotted Departure Times

Departure Time Operator ICAO IATA
05:40 5:40 AM Korean Air KAL KE
06:15 6:15 AM AirZeta AIH KJ
10:20 10:20 AM Asiana AAR OZ
11:25 11:25 AM Delta Air Lines DAL DL
13:40 1:40 PM Hawaiian Airlines HAL HA

Time Information

Times are shown in the departure airport's local timezone (KSEA - America/Los_Angeles).

Total Departure Times: 5
Time Range:
05:40 - 13:40
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.