From KLM, their Winter Fare Sale features fares from US cities to select destinations in Europe. Travel is valid on weekdays, Mondays through Thursdays, through March 20. Fares require a minimum 7-day stay, with an allowed maximum stay of 1 month. For weekend travel, tack on an additional $20-$30.
Tickets must be purchased by March 12.
Other airlines may be matching along some routes. Fares include:
New York to Amsterdam $840 round-trip, nonstop, including all taxes
New York to Kiev $729 round-trip, including all taxes
Washington DC to Bucharest $860 round-trip, including all taxes
Washington DC to Istanbul $682 round-trip, including all taxes
Chicago to Barcelona $946 round-trip, including all taxes
Chicago to Istanbul $664 round-trip, including all taxes
Houston to Istanbul $755 round-trip, including all taxes
Los Angeles to Amsterdam $1,018 round-trip, nonstop, including all taxes
San Francisco to Amsterdam $1,018 round-trip, nonstop, including all taxes
Istanbul image via Shutterstock
