Lufthansa offers daily nonstop service to Frankfurt, with other cities served by connecting flights. Now that a strike has been averted, Delta hopes to get us booking trips with discounts and other incentives. Get SkyMiles bonuses up to 7,500 miles and up to 50 percent off airfares when you buy tickets online to most destinations through May 11. Domestic and Canadian travel is permitted any day. Trips must include a Saturday stay and be completed by June 14.
All destinations require a seven-day advance purchase.
Departures permitted June 16-Sept. Clara Bosonetto is a longtime travel consultant. Sale fares cited are subject to change and do not include taxes and fees.