Seattle to Copenhagen
Seattle to Copenhagen is cheapest in November and December, both at 570 €. September, the most expensive month we measured, costs about 671 € more.
Seattle to Copenhagen is 7,810 km flown direct. Every fare we measured came from WS.
That comes from pricing 298 departure dates across 11 months. Every figure below is a fare we measured on the day shown, not a live quote. When we have nothing fresh to say about a route, its page stops existing.
What is a good price from Seattle to Copenhagen?
Anything at or below the quarter mark beats three in four of the 298 one-way fares we measured here. Above the median, wait or move the date.
seen 26 Sep 2026
How far ahead do the cheap fares sit?
When we measured, the cheapest quarter of fares sat between 58 and 134 days before departure, closer in than the market as a whole. The cheap fares were on nearer dates, not months away, when we looked.
a snapshot of where the cheap seats sat, seen 26 Sep 2026
Which day of the week is cheapest?
On average, Wednesday departures came out lowest and Saturday highest, a spread of about 216 €. The day matters less than the month here: pick the month first, then the day.