Seattle to Copenhagen, Denmark from $386RT!
Air Canada is putting Copenhagen on sale from Seattle for late summer travel. The cheapest dates are in September but there are a few August and even late July dates available in the low to mid $400's. Use ITA Matrix Software to find the cheapest dates. Book through Momondo for the frugal fares! (On a funny note, if you look carefully, this ticket is actually -$11.15 and the taxes are $397.18! First time I've seen a negative fare!)