Tickets must be purchased by 11:59 pm Eastern time on May 9, 2024.  Discount applies to nonstop continental domestic travel, Tuesday, Wednesday, and Saturday, through Oct. 2, 2024, except as noted:

Travel to Las Vegas, NV, Sunday through Wednesday; Travel from Las Vegas, NV, Tuesday through Friday; Travel to Florida, Sunday through Wednesday; Travel from Florida, Tuesday through Friday. Directionality between markets applies in both directions.

The following blackout dates apply: May 23-27, 2024; Jun. 13, 2024, through Sep. 3, 2024.

Discount does not apply to J, I, C, Y, B, and H class fares, which are our highest fares and may be the only fares available on certain dates or flights. Round trip purchase is required.  7-day advance purchase is required. Route exclusions apply.

The buy-one-get-one-free companion discount is only valid with purchase of a full adult Discount Den℠ fare, for passengers traveling together on the same itinerary, and requires purchase at FlyFrontier.com, using promo code FLYFREE.  Promo code must be applied directly by customer on flyfrontier.com.  This promo code is not valid for booking by a Frontier Airlines Reservation Agent.  Use of promo codes by third parties is expressly prohibited.  All fare rules will apply. Certain flights and/or days of travel may be unavailable.

Offer is valid with purchase of Discount Den℠ fares only. Discount Den fares are only available at FlyFrontier.com to Discount Den members. Join Discount Den here! Fare(s) shown include all transportation fees, surcharges and taxes, and are subject to change without notice until purchased. Seats are limited at these fares and certain flights and/or days of travel may be unavailable. All reservations are non-refundable, except that refunds are allowed for reservations made 7 days (168 hours) or more prior to departure and provided that a refund request is made within 24 hours of initial reservation.

All reservations are non-refundable, except that refunds are allowed for reservations made 7 days (168 hours) or more prior to departure and provided that a refund request is made within 24 hours of initial reservation.

Changes or cancellations made to itineraries after the 24 hours will be subject to change fees, and any fare differential. Learn more about our change policy. Previously purchased tickets may not be exchanged for special fare tickets. Flight segments must be cancelled prior to scheduled departure time or the tickets and all amounts paid will be forfeited.

Additional travel services, such as baggage and advance seat assignments are available for purchase separately at an additional charge. . In addition to these Terms and Conditions, please refer to Frontier Airlines' Contract of Carriage.