Seattle to Seoul Flights (SEA-ICN)

🇺🇸 SEA

Seattle

5567 mi

ICN 🇰🇷

Seoul

Seattle–Tacoma International Airport Incheon International Airport 6 airlines

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 5567 miles (8959 km) with a typical flight time of 10h 57m. This route is served by 6 airlines: Korean Air, Asiana, Hawaiian Airlines and others. AirportRoutes has tracked 10 unique flight numbers on this route.

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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

Operators

Tracked Flights

5567

Miles

10h 57m

Flight Duration

Route Map

Great Circle

Map data © Mapbox © OpenStreetMap contributors

Operating Airlines

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

Flight Schedule Pattern

Day	Flights Observed	Frequency
Monday	13	15%
Tuesday	11	12%
Wednesday	11	12%
Thursday	12	14%
Friday	18	20%
Saturday	14	16%
Sunday	9	10%

Pattern Analysis

10 Tracked Flights:

Data Points: 88
API observations used to build this analysis

Weekdays: 65 flights
Weekend: 23 flights

Business Route More active on weekdays

All Flight Routes

6 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	Jul 2, 2026	Active
AirZeta `AIH` / `KJ`		B744	03:30 3:30 AM (Representative)	M T W T F S S	Jul 2, 2026	Active
Asiana `AAR` / `OZ`		B772	00:10 12:10 AM (Representative)	M T W T F S S	Jul 2, 2026	Active
Delta Air Lines `DAL` / `DL`		A359	11:25 11:25 AM (Representative)	M T W T F S S	Jul 2, 2026	Active
Hawaiian Airlines `HAL` / `HA`		B789	13:40 1:40 PM (Representative)	M T W T F S S	Jul 2, 2026	Active
Korean Air `KAL` / `KE`		B748	06:15 6:15 AM (Representative)	M T W T F S S	Jul 2, 2026	Active

Total Routes: 6

Active Routes: 6

Unique Airlines: 6

Aircraft Types: 5

Spotted Departure Times

Departure Time	Operator	ICAO	IATA
00:10 12:10 AM	Asiana	`AAR`	`OZ`
03:30 3:30 AM	AirZeta	`AIH`	`KJ`
06:15 6:15 AM	Korean Air	`KAL`	`KE`
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:
00:10 - 13:40

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

Seattle to Seoul Flights

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