08
/31
InterContinental Hotels Group Priority Club Rewards’ “2,000 Points or 500 Miles” campaign ends. For every second night, members earn 2,000 points or 500 bonus miles, up to 20,000 points or 5,000 miles. Registration is required at http://www.priorityclub.com/2000.

Last day to apply for the Choice Privileges Visa card in order to earn 24,000 points — enough for three free nights. New cardholders must make a purchase by Nov. 1 to qualify.

Last day to take advantage of Alaska Airlines’ Summer Travel Award Sale, for travel between Seattle and Calgary, Edmonton, Sun Valley (Idaho) and Kelowna (BC). Tickets may be had for 15,000 miles, a savings of 5,000 miles off the regular Saver Award.

Last day for Delta SkyMiles American Express Cardmembers to earn double miles for all purchases. Cardmembers must enroll their cards at http://www.americanexpress.com/deltabonus or http://www.americanexpress.com/skypointsbonus.

09
/30
Last day for Red Lion GuestAwards members to earn up to three free nights. Book one two or more night stay online and earn 5,000 GuestAwards points; book another, and earn 10,000; book a third, and earn 15,000, for a total of 30,000.

Last day for Northwest WorldPerks members to earn up to 20,000 miles for completing various transactions with program partners as part of the “20K Bonus Play” promotion. NWA.com lists the large number of qualifying transactions. Registration is required.