Cheap flights from Copenhagen to Seattle from £294

The cheapest month to fly to Seattle from Copenhagen is in November. Flight prices, which tend to average around £404, are often lower during this time because this is during the off-season. The month of January is another great option to travel to Seattle, with average flight prices from Copenhagen averaging around £434.

You are more likely to see cheaper flights to Seattle from Copenhagen when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around £515 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Copenhagen for as low as £485 on momondo.

Historically, on average around 11% of flights between Copenhagen and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 127 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, Scandinavian Airlines have had the fewest delays on this route over the last 12 months, with about 11% of their flights experiencing any sort of delay.

Reykjavik (KEF) was the most common stop: 60% of momondo users choosing one-stop flights on this route connected there.

Flights via London (LHR) offer the lowest average return price of £370.

Flights connecting via London (LHR) have the shortest average one-way travel time: 13h 25m.

London (LHR) has the shortest average stopover time for this route: 1h 25m.

As of June 2026, there are 1 flights per day flying from Copenhagen to Seattle. The most common time of day flights depart is 13:00, with 100% of flights taking off in the afternoon.

12 flights are operational weekly from Copenhagen to Seattle as of June 2026. The most popular departure day for this route is Tue, with 25% of flights per week taking off on this day.