New York to Frankfurt: $1,199

Washington to Naples: $1,669

Los Angeles to Nice: $1,789

San Francisco to Venice: $1,719

Tickets must be purchased by July 15 for departures between August 1 and November 30. A 14-day advance purchase and a Saturday stay are required. The cheapest prices are for midweek travel, of course, and weekend surcharges are about $100 each way. 

Call an Agent at 800-435-8776 or click here.