Fly from Seattle to Copenhagen for $423 round-trip on Icelandair.
Searching Orbitz, we found seats departing SEA on March 22, returning from CPH on April 2. Flights connect via Reykjavik KEF.
Other dates are also available for travel from January through April.
See our fare details for booking info.
Need a room in Copenhagen? Here's what's available for the above dates on Hotelwatchdog.