You can earn double EarlyReturns frequent flier loyalty program miles for all flights operated by Frontier Airlines to all destinations — including nonstop and connecting flights — through 11:59 in the evening Eastern Standard Time on Friday, September 30, 2016 when you use promotion code 2XMILES.

Earn Double Miles With Frontier Airlines

This promotion applies to new bookings only; and you must book the reservations of your flights by Thursday, August 18, 2016. No registration for this promotion is required.

Your EarlyReturns frequent flier loyalty program number must be provided at the time of booking to qualify for what is called the Double Miles Promotion. Double EarlyReturns miles earned will be credited to your account within ten business days once travel has been completed.

All other terms and conditions apply.

Summary

This offer apparently includes discounted tickets and special deals where you can earn double miles while enjoying lower airfares — some of which are as low as $29.00 one way if you book today.

If you cannot book your flights today, chances are there will be other similar sales prior to Thursday, August 18, 2016, as Frontier Airlines seems to have sales on a regular basis.

If you are not already a member of the EarlyReturns frequent flier loyalty program, simply click here to join as a member.

All you have to do is use promotion code 2XMILES when booking your flights in what appears to be a simple and straightforward promotion.

Source: Frontier Airlines.