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A few days ago I posted that you could get 10% off all Frontier Airline flights booked through this Thursday March 6, 2014 (at 11:59pm EST). While 10% off is a great deal, via Heels Travel First, you can actually get 14% off a flight by using a different promotion code – PARTYGRAS. The terms are the same, and you must book your flight by tomorrow (3/6/14) for travel until June 12, 2014.
Keep in mind though that discount code includes blackout dates of: March 14-16, 2014; March 21-23, 2014; March 28-30, 2014; April 4-6, 2014; April 11-13, 2014; May 22-23, 2014; and May 26, 2014, apply. If you are looking to book a flight during one of those black out dates then use the 10% off code instead.
You can book a Frontier Airlines flight here.