PHOTO: Score low-cost flights to Amsterdam on Delta. (Photo by Janeen Christoff)
DEAL: According to Airfarewatchdog, you can find flights on Delta for as low as $434 roundtrip from Seattle to Amsterdam.
START DATE: Going on now.
END DATE: Ongoing.
DETAILS: Flights from Seattle to Amsterdam on March 13 were as low as $434 roundtrip if you were returning on March 21. Other low fares were also available. Flights needed to be booked 28 days before travel and stays had to be a minimum of seven days. http://www.travelpulse.com/