Flash Sale Frontier Offering 90 Off Bookings Made Today

Update: Some offers mentioned below are no longer available. View the current offers here.Frontier has been running a slew of sales recently and the deals keep on coming. For today only, Monday, travelers can get 90% off their Frontier bookings with promotion code “SAVE90”.Here’s the catch: you have to take the trip before Oct. 2, 2019, which is less than a month away. The discount is also only valid on travel Monday through Saturday, so no Friday to Sunday weekend getaways; instead you’ll have to go for a Friday to Monday if you want to score the 90% off.One of the most appealing deals is Orlando (MCO) to San Juan (SJU) for $104 round-trip as soon as this weekend.Note that you’ll have to pay extra for carry-on and checked bags as well as seat assignments if you don’t want to let them pick for you.To search, head to Frontier.com and see if your dates and cities are available. Don’t forget to use the promo code “SAVE90” to get the discount.Airline: FrontierRoutes: Various U.S. cities and SJUCost: $77 round-tripTravel Dates: September to October, 2019Pay With: The Platinum Card® from American Express (5x on airfare booked directly with the airline), Citi Prestige® Card (5x on airfare), Citi Premier® Card, Chase Sapphire Reserve, (3x on airfare), American Express® Gold Card (3x on airfare when booked directly with the airline) or Chase Sapphire Preferred Card (2x on travel)Here are a few examples of what you can book:Cincinnati (CVG) to San Francisco (SFO) for $77round-trip on Frontier:Sign up for our daily newsletterEmail addressSign upI would like to subscribe to The Points Guy newsletters and special email promotions. The Points Guy will not share or sell your email. See privacy policy.Washington, D.C. (IAD) to San Antonio (SAT) for $79 round-trip on Frontier:Chicago (ORD) to Phoenix (PHX) for $80 round-trip on Frontier:Atlanta (ATL) to San Francisco (SFO) for $94 round-trip on Frontier:Maximize your purchaseDon’t forget to use a credit card that earns additional points on airfare purchases, such as The Platinum Card® from American Express (5x on flights booked directly with airlines or American Express Travel), Citi Prestige® Card (5x on airfare), Chase Sapphire Reserve, American Express® Gold Card, Citi Premier® Card (3x on airfare) or the Chase Sapphire Preferred Card (2x on all travel purchases). Check out this post for more on maximizing airfare purchases.