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Seoul routes: SAS, Alaska & Hawaiian launch
Three carriers kick off new Seoul routes on 12 September 2025, linking Copenhagen and Seattle to Seoul.
SAS will launch the airline’s first nonstop Copenhagen–Seoul service on 12 September 2025, creating the only direct Denmark–South Korea link. The route will operate with Airbus A350‑900 aircraft, initially four times weekly and dropping to three weekly frequencies during the winter schedule. The new Seoul routes follow SAS’s move into the SkyTeam alliance.
On the same day, Alaska Airlines and Hawaiian Airlines will each begin Seattle–Seoul service, expanding transpacific connectivity from the US West Coast. Seattle–Incheon (SEA–ICN) flights add capacity for both leisure and business travelers between the Pacific Northwest and South Korea.
What to expect from the Seoul routes
Travelers can expect long‑haul widebody equipment on these schedules: SAS will use the A350‑900 on Copenhagen (CPH)–Seoul Incheon (ICN), while Alaska and Hawaiian will deploy suitable transpacific aircraft from Seattle (SEA) to ICN. Exact flight numbers and daily timings will be published by the airlines as the launch date approaches.
- SAS’s Copenhagen–Seoul nonstop on A350‑900s — four weekly (three in winter) — is the headline Seoul route for Denmark.
- Alaska & Hawaiian add SEA–ICN transpacific options, boosting West Coast links to Seoul.
- The moves reflect growing demand for long‑haul leisure and connecting traffic into Asia.
For passengers, these new Seoul routes mean fewer connections and new options for onward travel across Asia. SAS’s direct CPH–ICN flight gives Danish travelers a single‑stopless gateway to South Korea, while West Coast flyers gain more non‑stop choices to Seoul. Airlines typically confirm exact schedules and booking availability a few months before start dates; keep an eye on official airline websites for the full timetable and any seasonal adjustments.
