Seoul to Seattle Flights (ICN-SEA)

🇰🇷 ICN

Seoul

5209 mi

SEA 🇺🇸

Seattle

Incheon International Airport Seattle–Tacoma International Airport 5 airlines

The Seoul to Seattle route connects Incheon International Airport (ICN) in KR with Seattle–Tacoma International Airport (SEA) in US. This long-haul flight covers approximately 5209 miles (8383 km) with a typical flight time of 9h 28m. This route is served by 5 airlines: Asiana, Hawaiian Airlines, Korean Air and others. AirportRoutes has tracked 5 unique flight numbers on this route.

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Departure Airport

Incheon International Airport

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

Destination Airport

Seattle–Tacoma International Airport

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

Operators

Tracked Flights

5209

Miles

9h 28m

Flight Duration

Route Map

Operating Airlines

Airline	ICAO	IATA
Asiana	`AAR`	`OZ`
Hawaiian Airlines	`HAL`	`HA`
Korean Air	`KAL`	`KE`
Delta Air Lines	`DAL`	`DL`
Alaska Airlines	`ASA`	`AS`

Flight Schedule Pattern

Day	Flights Observed	Frequency
Monday	11	24%
Tuesday	7	15%
Wednesday	4	9%
Thursday	8	17%
Friday	1	2%
Saturday	6	13%
Sunday	9	20%

Pattern Analysis

5 Tracked Flights:

Data Points: 46
API observations used to build this analysis

Weekdays: 31 flights
Weekend: 15 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
Alaska Airlines `ASA` / `AS`	-	-	-	M T W T F S S	Jun 16, 2026	Active
Asiana `AAR` / `OZ`		B77L	21:20 9:20 PM (Representative)	M T W T F S S	Jun 16, 2026	Active
Delta Air Lines `DAL` / `DL`		A359	19:00 7:00 PM (Representative)	M T W T F S S	Jun 16, 2026	Active
Hawaiian Airlines `HAL` / `HA`		B789	20:35 8:35 PM (Representative)	M T W T F S S	Jun 16, 2026	Active
Korean Air `KAL` / `KE`		B78X	16:40 4:40 PM (Representative)	M T W T F S S	Jun 16, 2026	Active

Total Routes: 5

Active Routes: 5

Unique Airlines: 5

Aircraft Types: 4

Spotted Departure Times

Departure Time	Operator	ICAO	IATA
16:40 4:40 PM	Korean Air	`KAL`	`KE`
19:00 7:00 PM	Delta Air Lines	`DAL`	`DL`
20:35 8:35 PM	Hawaiian Airlines	`HAL`	`HA`
21:20 9:20 PM	Asiana	`AAR`	`OZ`

Time Information

Times are shown in the departure airport's local timezone (RKSI - Asia/Seoul).

Total Departure Times: 4

Time Range:
16:40 - 21:20

These are typical departure times observed from actual flights. Times may vary by season and schedule changes.

Seoul to Seattle Flights

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