Fly from Seattle to Barcelona for $601 round-trip on Delta Air Lines.
Searching Delta.com, we found seats departing SEA on Thursday, April 14, returning from BCN on Saturday, April 23. Flights connect via New York JFK.
Other dates are also available for travel from October through early May.
See our fare details for booking info.
Need a room in Barcelona? Here's what's available for the above dates on Hotelwatchdog.