Direct flights from Seattle to Seoul

Did you mean Flights from Seoul to Seattle?

Seattle

United States

SEA

Seattle Tacoma International Airport

Seoul

South Korea

ICN

Incheon International Airport

Route: Nonstop service available
Distance: 5,203 miles
Marketing airlines: 3 airlines
Aircraft: 4 aircraft types
Dates: Oct 19, 2026 – Oct 9, 2027

Observed award fares

A sample of one-way prices for one traveler from Roame’s fare cache. Points, fees, and seats describe the same observation. Availability can change; confirm with the loyalty program before transferring points.

Lowest price in this limited sample: 30,000 points + $5.00 for SEA → ICN, Economy, on 2026-11-15, booked with Alaska Atmos Rewards. This is an observed fare, not a guaranteed price or the lowest price across all dates and programs.

Departure window: 2026-10-23 – 2026-11-21.

SEA → ICNEconomy
AS119
30,000 points+ $5.00
Departure
2026-11-15
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-23 01:48
SEA → ICNEconomy
KE48
31,000 points+ $29.00
Departure
2026-11-03
Seats seen
1
Book with
Virgin Atlantic
Observed (UTC)
2026-10-22 14:20
SEA → ICNEconomy
KE48
32,500 points+ $34.00
Departure
2026-11-03
Seats seen
1
Book with
Flying Blue
Observed (UTC)
2026-10-22 14:21
SEA → ICNEconomy
DL197
35,000 points+ $33.00
Departure
2026-10-28
Seats seen
9
Book with
Flying Blue
Observed (UTC)
2026-10-22 03:18
SEA → ICNEconomy
AS119
35,000 points+ $5.00
Departure
2026-10-31
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-23 01:52
SEA → ICNEconomy
DL197
35,000 points+ $33.00
Departure
2026-11-03
Seats seen
9
Book with
Flying Blue
Observed (UTC)
2026-10-22 14:21
SEA → ICNEconomy
DL197
35,000 points+ $33.00
Departure
2026-11-05
Seats seen
6
Book with
Flying Blue
Observed (UTC)
2026-10-22 09:42
SEA → ICNEconomy
DL197
35,000 points+ $33.00
Departure
2026-11-08
Seats seen
9
Book with
Flying Blue
Observed (UTC)
2026-10-22 19:26
SEA → ICNEconomy
AS119
35,000 points+ $5.00
Departure
2026-11-08
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 19:26
SEA → ICNEconomy
AS119
35,000 points+ $5.00
Departure
2026-11-12
Seats seen
1
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 01:37
SEA → ICNEconomy
AS119
35,000 points+ $5.00
Departure
2026-11-13
Seats seen
2
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-21 02:09
SEA → ICNEconomy
AS119
35,000 points+ $5.00
Departure
2026-11-15
Seats seen
3
Book with
American Airlines
Observed (UTC)
2026-10-22 19:28

Seattle to Seoul route overview

Seattle Tacoma International Airport (SEA) serves Seattle; Incheon International Airport (ICN) serves Seoul.

The airports are 5,203 miles apart by great-circle distance.

Roame's current schedule feed shows nonstop service from SEA to ICN.

Marketing airlines listed in the current schedule, including codeshare sellers, are Alaska Airlines (AS), Delta Air Lines (DL) and Korean Air (KE). This list does not identify the operating airline for each flight; check the flight details before booking.

Published schedule dates span Oct 19, 2026 – Oct 9, 2027.

Marketing airlines on the Seattle to Seoul route

These are marketing airlines, including codeshare sellers. This list does not identify the operating airline for each flight; check the flight details before booking.

Airline alliance affiliations represented: Oneworld, SkyTeam

Aircraft flying from SEA to ICN

Frequently asked questions

Which airports serve the Seattle to Seoul route?

Seattle Tacoma International Airport (SEA) is the origin airport and Incheon International Airport (ICN) is the destination airport.

How far is Seoul from Seattle?

SEA and ICN are approximately 5,203 miles apart by great-circle distance.

Are there direct flights from SEA to ICN?

Yes. Roame's current schedule feed shows nonstop service from SEA to ICN.

Which airlines market flights from SEA to ICN?

Which aircraft fly from SEA to ICN?

Aircraft listed in the current schedule include Airbus A350-900 (359), Boeing 787-10 (781), Boeing 787-9 (789) and JET.