With Grand Circle Cruise Line, save $700 on six December departures of its Christmas Markets along the Danube river cruise. The seven-night cruise starts at $2,195 per person double (was $2,895) and includes round-trip air from Washington Dulles to Nuremberg, Germany, with return from Vienna (or reverse); 20 meals, plus house beer, wine and soft drinks; tours and Christmas market visits; gratuities; and taxes. Book by June 9; use promo code TAAW 140. Info: 800-221-2610, gct.com.
Alaskan Dream Cruises is waiving the single supplement on its Alaska’s Glacier Bay & Island Adventure. The sevennight cruise starts at $3,990 per person, plus $100 taxes — a savings of nearly $2,000. The deal applies to A and AA category cabins. Select departures in May and September 2018. Book by Aug. 1. Info: 855-747-8100, www.alaskandreamcruises.com.
Regent Seven Seas is offering a shipboard credit of $500 to $1,000 per stateroom on select Alaskan sailings. For example, earn the $1,000 credit on the seven-night Alaska’s Inside Passage cruise departing Vancouver, B.C., on Aug. 23. A deluxe veranda suite starts at $5,999 per person double and includes round-trip air from Washington, transfers, open bar, gratuities, shore excursions and WiFi. Book through May 31. Deal applies to most July and August departures. Request promo code Summer Sale. Info: 844-473-4368, www.rssc.com/ specials.
Night falls near Regensburg, Germany. Grand Circle Cruise Line is offering deals on Danube cruises.