Save up to 90% off your next flight with us. Use promo code: BOOKNOW
Don't forget to check out our other Deals!

Buy by 01/05/23. Fly by 2/28/23 to save 90%. Fly 3/1 - 6/8/23 to save 75%.  Discount applies to base fare only, not to taxes or fees. Discount applies to domestic and international travel on select days of the week.  Route exclusions apply. Roundtrip purchase is required. 
Trip Type
Select a to and from city

Select Departing and Arrival Dates
Passenger Details
Search By*
Payment Type

Use our app to add bags and seats, check-in, and get your boarding pass quickly and easily.

Trip Type
Select a to and from city


Terms and Conditions

Tickets must be purchased by 11:59 pm Eastern time on Jan. 5, 2023. Discount applies to domestic and international travel. A 90% discount applies to daily travel through Feb. 28, 2023; and a 75% discount applies to travel on, Monday through Thursday, and Saturday, from Mar. 1, 2023, through Jun. 8, 2023. The following blackout dates apply: Jan. 13, 16, 2023; and Feb. 16-18, 20, 2023; Mar. 3-5, 10-12, 17-19, 24-26, 31, 2023; Apr. 1-2, 7-9, 2023; May 26-29, 2023. Additional blackout dates apply to/from Las Vegas, NV: Jan 5-8, 2023, and Feb. 9-13, 2023; and to/from Phoenix AZ: Feb. 9-13, 2023. Discount does not apply to Y, B, and H class fares, which are our highest fares and may be the only fares available on certain dates or flights. 7 day advance purchase is required. Round trip purchase is required. Route exclusions apply.

The discount applies to base fare only, not to fees or taxes, and requires purchase at using promo code BOOKNOW. Promo code must be applied directly by customer on or requested of a Frontier Airlines call center 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.

Discount Den™ fares are only available at 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.

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. For a complete list of rules and regulations please refer to Frontier Airlines' Contract of Carriage and Terms and Conditions.

The following markets are excluded from the promotion: