£325 Find Cheap Flights from Copenhagen to Seattle – Compare and Save

Only Economy class is available on flights from Copenhagen to Seattle.

A direct flight from Copenhagen to Seattle takes 00m, covering 4,850 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Return flights from Copenhagen to Seattle range from £478 to £713, with an average of £583 over the past 12 months. Anything below £478 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 20% above the £583 route average. Book 17 weeks before departure for the lowest fares.

On this route, stopover flights are cheaper than direct options on average. Stopover fares average £507 return via Reykjavik Keflavik Intl (KEF), compared with £718 for direct.

Scandinavian Airlines is the only airline operating Copenhagen to Seattle flights. 89% of its flights are on time.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £37–£75 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

The Airbus A350-900 family is used most often on this route, operated mainly by Scandinavian Airlines and Air France. Other aircraft seen on the route include Airbus A330-300 variants.

One-way fares from Copenhagen to Seattle are currently lower than usual. Average one-way flight prices are about £354, which is 27% below the typical average for this route.

Seattle/Tacoma Intl Airport (SEA) hosts 5 major car hire companies, with daily rates starting from around £3 for economy cars. Top options include:

• Fox
• Europcar
• Thrifty
• Budget
• Hertz

Flights from Copenhagen to Seattle usually depart from Kastrup Copenhagen (CPH) and arrive at Seattle/Tacoma Intl (SEA).

Afternoon flights have the fewest delays on this route.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Copenhagen to Seattle route, 11% of flights were delayed in the past three months, with delays averaging 2h 01m.

One-stop flights from Copenhagen to Seattle most commonly connect through:

• Reykjavik Keflavik Intl (KEF) – 47% of one-stop connections
• London Heathrow (LHR) – 18% of one-stop connections
• Amsterdam Schiphol (AMS) – 12% of one-stop connections
• Munich Franz Josef Strauss (MUC) – 6% of one-stop connections

Yes. Flexible dates can save you up to 23% on flights from Copenhagen to Seattle. Thursday is the cheapest departure day at £513 return on average, while Sunday is the most expensive at £666, a difference of £152.

KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

Flying via Reykjavik Keflavik Intl (KEF) gives the shortest average 1-stop total travel time of 13h 06m, compared to 13h 24m via Munich Franz Josef Strauss (MUC) and 13h 34m via Zurich (ZRH).

Seattle is 8 hours behind Copenhagen (Pacific Time vs Central European Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Seattle are The Westin Seattle, Seattle Center, and Seattle Marriott Waterfront. These are among the most viewed places in Seattle on KAYAK.

Among airlines operating Copenhagen to Seattle flights:

• Scandinavian Airlines: offers extra legroom; offers free seat selection
• Delta: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• Scandinavian Airlines: a cabin bag and a checked bag in Economy class
• Air France: a cabin bag and a checked bag in Economy class
• Delta: a cabin bag and a checked bag in Economy class

Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.