Last day US Airways Dividend Miles members can earn a 100 percent bonus when buying or gifting miles. Visit http://www.usairways.com/miles
Last day Continental OnePass members can convert American Express Membership Rewards points into OnePass miles.
Last day Priority Pass Select members can access Continental Presidents Clubs and United Red Carpet Clubs.
Last day Delta SkyMiles members can earn a 100 percent bonus when purchasing or transferring miles. Bonus for buying miles will go to the purchaser and to the recipient for transfers. Visit http://www.insideflyer.com/link/?5115
Last day to earn double miles when flying any Frontier Airlines route. Registration required. Visit http://www.insideflyer.com/link/?4997
Last day Hilton HHonors members can earn double points or double miles for Hilton stays at participating properties. Registration required. Visit http://www.insideflyer.com/link/?4955
Last day American Express Membership Rewards members who transfer Membership Rewards points into Delta SkyMiles will receive a 40 percent point rebate for every 50,000 points transferred. Registration is required. Visit http://www.insideflyer.com/link/?5042