Thrifty car rentals is a new preferred partner of the Southwest Airlines Rapid Rewards program, and to celebrate, Thrifty is offering triple Rapid Rewards credits with Southwest Airlines for weekly rentals of 5 days or longer.

Rent a vehicle with Thrifty rental cars for 5 days or longer, and you’ll receive triple Rapid Rewards credits with Southwest Airlines.

Just use the Thrifty promo code WN01 when you make your reservation for Triple Rapid Rewards from Southwest Airlines, and make sure you enter your Rapid Rewards number.

This offer for triple Rapid Rewards from Southwest Airlines through Thrifty car rentals is valid through October 31, 2008.

Read our Southwest Airlines Rapid Rewards Program Review for more information on how to get free airline flights through the Rapid Rewards program from Southwest Airlines.

Thrifty is also currently offering customers car rental discounts on weekly SUV rentals.

Receive 20% Off, time and mileage only, when you book a standard-size SUV at participating Thrifty car rental locations for 5 days or more.

24-Hour advance reservation is required, and this SUV rental discount offer ends on August 1, 2008.

Enter promo code 8CMWK when making your online reservations for 20% Off SUV Rentals from Thrifty.

Check out more Car Rental Discounts from national car rental companies to save money on your next car rental.