Update (10:05 am ET, Aug. 3): Due to the popularity of this offer, the $499 cabins are now sold out. Upgraded cabin types are still available as well as the 12-night cruise option.

Kick back and relax for 15 nights on a cruise across the Atlantic from Southampton, U.K., to Miami this fall.

Available for the first 100 bookings only, this $499-per-person deal breaks down to just $33 per night. Plus, book by Friday, Aug. 3, and snag an upgrade (within the same category type) and a $150 onboard credit per cabin.

Named to the Top Medium Ships category by Conde Nast Traveler's 2012 Readers Poll, this Celebrity Constellation deal departs from Southampton on Nov. 30 and drops anchor in Paris, Portugal and the Canary Islands along the journey to Miami.

Make it an extended vacation and cruise for 12 nights roundtrip from Southampton before the transatlantic cruise, departing Nov. 18 for $599 per person. Visit France, Spain and Portugal and get an additional $150 onboard credit.

Find plenty to entertain onboard the recently upgraded ship, including a movie theater, a basketball court, a specialty restaurant and a spa -- which features a hydropool.

Click here for more information on this deal that is part of a larger sale from CruCon Cruise Outlet featuring discounts on oceanview and balcony cabins.

Note: Taxes are an additional $122-$138 per person depending on departure date.