Double Southwest Credits Flying into Philadelphia or DC Airports

Now for a limited time, earn double Southwest RapidRewards credits when you fly to/from Philadelphia, Baltimore, or Washington-Dulles airports. That means two credits for each one-way flight, instead of the usual one credit. You must register for the promotion, then book travel by August 11, 2010, and complete all travel by September 30th.

Delta Airlines 'Triple Your Miles' Bonus

Earn bonus Delta miles for flights into or out of Phoenix, Charlotte or Philadelphia. Double miles for paid economy tickets, triple for first class. You must register for the promotion here first.
Valid for travel now through April 17th.

HOT FARE. Sacramento - Philadelphia, PA $105+tax roundtrip ($137 all in) December 1-19th
Continental, Delta and Northwest Airlines.