Alaska Airlines
Flights from Seattle to Seoul
SEA SEL · South Korea
From
£779
return · 1 adult · economy
Operated by
Alaska Airlines
Shortest outbound
See live offers
Direct option
No (connecting only)
Live offers
Sample sail-date: 2026-10-10 outbound · 2026-10-17 return. Prices refresh daily.
- SEA19:0814:05SEL—2 stops· Alaska AirlinesReturn08:00 → 10:051 stop · 18h 5m£779Book on search →
- SEA19:0814:05SEL—2 stops· Alaska AirlinesReturn01:55 → 10:051 stop · —£779Book on search →
- SEA19:0814:05SEL—2 stops· Alaska AirlinesReturn15:10 → 08:562 stops · —£814Book on search →
Frequently asked questions
- How long is a flight from Seattle to Seoul with Alaska Airlines?
- Flight duration varies by routing. Use the live search to see current direct and connecting options.
- Does Alaska Airlines fly direct from SEA to SEL?
- Not on these sample dates — the cheapest offers we see are connecting flights. Direct service may exist on other dates.
- How much does a Alaska Airlines ticket from SEA to SEL cost?
- The cheapest return economy fare we found today is £779 for 1 adult, based on sample dates 2026-10-10 → 2026-10-17. Prices change daily — run the live search for current fares.