Update (March 12, 6:00pm): Due to popular demand, this offer has been extended for bookings through March 16.    

For $599 per person, visit France, Italy and Spain on a seven-night cruise aboard the Celebrity Constellation -- named one of the best large cruise ships in the world by Conde Nast Traveler magazine.

This exclusive offer saves $250 off market pricing and includes onboard credit and a cabin upgrade within the same category (the sooner one books, the better the upgrade).

Book by Friday, March 12. All cabin types have been discounted (credits are per cabin):

• Inside ... $599 plus $150 credit
• Oceanview ... $799 plus $200 credit
• Balcony ... $999 plus $250 credit

Depart Sept. 18, 25; Oct. 2, 9, 23, 30 at these rates. The ship sails roundtrip Barcelona and stops in Nice, France and Genoa, Florence, Rome and Naples, Italy.

Also available: A 12-night cruise on the Celebrity Century is discounted to $1099 (and also includes the $150 credit) for departures on Sept. 19; Oct. 1, 13. Summer dates are $300 more.

This is all part of CruCon's "Red Carpet Event" featuring discounts and credits on hundreds of cruises including Caribbean, Bermuda, Alaska, and other Europe sailings.  

Click here for more information. To book, call 800-493-6609 and mention Travelzoo. Deposits have been reduced by 50% to reserve a cabin.