Things are heating up between American, United and newcomer Virgin America at Chicago’s O’Hare airport and Virgin America is offering Elevate members triple points for travel through Aug. 31, 2011 between San Francisco (SFO) or Los Angeles (LAX) and the carrier’s newest markets of Chicago and Dallas-Fort Worth.

Elevate members typically earn five points per dollar spent on the base fare, but during this promotion, you will earn 15 points per dollar spent on the base fare. You must register for the promotion prior to your travel date and registration ends Aug. 31, 2011. If you booked a flight before this promotion started, you can still earn the bonus points as long as you register before flying. Visit http://insideflyerus.wpengine.com/link/?4745 to learn more and register for the promotion.

In other news, Virgin America Elevate has new partnerships with Gilt City and Jetsetter. Gilt City provides VIP access to premium experiences, such as private film screenings, and Elevate members can earn 250 points by joining Gilt City and another 250 points after their first purchase. Elevate members who join Jetsetter, which provides insider deals at hotels and vacations at up to 50 percent off, can earn 250 points for joining and 500 for their first purchase with Jetsetter.

Elevate members can earn two points per dollar spent on qualifying rentals of two days or more with Avis or Budget through Dec. 31, 2011. Make reservations at http://www.carrental.com/virginamerica and use coupon code MUAA015 for Avis or MUAZ022 for Budget.