Southwest is giving 15% off round trip Wanna Get Away fares for VISA Signature card holders. Southwest, Marriott, British Airways and Priority Club (possibly others too) all have Visa Signature cards and they all work for this promotion. Just make sure your VISA card has the word “signature” on the front. Here is the link. You will need your credit card number to get your discount code.

Fine Print – Discount code is good for one time use for round trip Wanna Get Away fares and the purchase must be made with your VISA Signature card. You must use your discount code by April 30, 2011 and all flights must be completed by June 1, 2011. Blackout dates apply February 17, 2011 through February 28, 2011, April 21, 2011 through April 25, 2011, and May 20, 2011 through May 24, 2011. If any portion of travel falls on a blackout date the discount will not apply. One discount applied per itinerary (maximum of eight tickets/itinerary) and one fare saver code per Visa Signature consumer card.