Direct flights from Seattle to Seoul (Incheon) INTL
18 nonstop flights a week on 3 airlines. Zero layovers — one hop from SEA to ICN.
Flight time: about 11h24m nonstop
Which days does it fly?
When does it fly?
Departure times in Seattle local time, from flights observed over the last 7 days.
| Flight | Departs | Duration | Days |
|---|---|---|---|
| Asiana AAR271 | 12:32a | 11h38m | Mon, Tue, Wed, Sat |
| Asiana AAR271 | 12:35a | 10h52m | Fri |
| Delta DAL197 | 1:10p | 11h37m | Wed, Sat, Sun |
| Delta DAL197 | 1:20p | 11h36m | Mon |
| Delta DAL197 | 1:32p | 11h6m | Thu |
| Delta DAL197 | 1:38p | 11h22m | Tue, Fri |
| Alaska ASA119 | 1:51p | 11h26m | Thu, Sun |
| Alaska ASA119 | 1:55p | 11h29m | Sat |
| Alaska ASA119 | 2:05p | 11h4m | Mon, Wed |
| Alaska ASA119 | 2:18p | 10h47m | Fri |
DeltaThe route
One hop: SEA → ICNDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from Seattle (SEA) to Seoul (Incheon) (ICN)
Seattle–Tacoma International Airport (SEA) has 18 nonstop flights a week to Seoul (Incheon) (ICN), operated by Asiana, Alaska and Delta. No layovers, no connections — one hop out of SEA and you're there.
This route flies every day of the week, so any travel day works. Seoul (Incheon) is an international destination — don't forget your passport. Route data updated October 2026 from observed departures.
Route data updated October 2026 from observed flight departures. Schedules change — always confirm with the airline before booking.
How long is the flight from Seattle to Seoul (Incheon)?
The nonstop flight from Seattle (SEA) to Seoul (Incheon) (ICN) takes about 11h24m in the air, based on recently observed nonstop departures.