Seattle to Copenhagen (SEA–CPH) — Airlines, Schedules & Connections
No flights match your filters.
No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.
Most recently operated nonstop flights — the month shown is when each was last scheduled. Most destinations remain reachable with a connection.
No discontinued nonstop flights on record for this route.
SEA–CPH is served by 1 airline with nonstop service. SAS leads the route. The flight covers 4,853 miles in approximately 9h 15m. Beyond nonstop, 1-stop connecting options are also available.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| SK SAS | 4 | 359 | 9h15 | Star Alliance | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Travel Essentials
SEA: PDT · CPH: CEST
When it's 6:00 PM in Seattle, it's 3:00 AM (next day) in Copenhagen.
US passport holders enter Denmark visa-free for stays up to 90 days within any 180-day period. This falls under the Schengen area rules, so the 90-day limit is shared across all Schengen countries. No advance application is needed. Passport must be valid for at least 3 months beyond the planned departure from the Schengen area.
Link Light Rail runs from downtown Seattle (Westlake station) to the airport in 38 minutes ($3.50 peak). Trains run every 6–12 minutes during peak hours from 5am to 1am. Ride-shares run $30–50 from downtown; SR-99 and I-5 can be heavily congested southbound during afternoon rush (3–7pm).
Sound Transit 574 express bus serves Tacoma ($2.50–4). Sounder commuter rail connects Tacoma to the airport area via a shuttle.
The Metro M2 runs every 4–6 minutes from the airport station to central Copenhagen (15 min, DKK 36 on Rejsekort). DSB regional trains depart for Copenhagen Central Station (13 min) and continue to Malmö (Sweden) via the Øresund Bridge (35 min total from airport). Taxis from arrivals to the city centre cost DKK 250–350; Uber also operates.Terminal 3 (international) and Terminal 2 (domestic/Schengen) are connected by a covered walkway. Rental car desks are in Terminal 3 arrivals. CPH is also a ferry hub; routes to Oslo (DFDS) and Bornholm depart from Copenhagen's harbour, accessible via city transit.
Temperate maritime climate. Winters (November–February) are cold and frequently overcast at −2 to 5°C with rain, sleet, and occasional snow. Copenhagen is better prepared for winter operations than many European cities, but heavy snowfall still causes delays. Fog is a seasonal disruption risk, particularly October through January.
Summers (June–August) are mild and pleasant at 18–24°C with long daylight hours and generally good flying conditions. Wind from the southwest can be strong year-round. CPH has a crosswind reputation. Spring and autumn are transitional and variable.
SEA–CPH Quick Facts
Frequently Asked Questions
Flights from SEA to CPH
Seattle–Tacoma International Airport (SEA) and Copenhagen Kastrup Airport (CPH) are connected by nonstop service from SAS. With 4 weekly departures, this is a regularly served route.
SEA to CPH Flight Duration and Schedule
Nonstop flight time from SEA to CPH is about 9 hours 15 minutes gate to gate. The route covers a distance of 4,853 miles (7,810 km). There are approximately 4 weekly flights outbound and 4 return, totaling 8 flights per week in both directions.
Connecting Options and Alternatives
1-stop connecting options are also available, commonly via Keflavik, Amsterdam and London Heathrow. Two-stop connections are also available via intermediate hubs.