Popular Articles

  1. What do I need to know if I am traveling with a small child?

    Frontier Airlines allows infants from seven days old up to the child’s second birthday to fly free of charge in an adult’s lap. An adult traveling with an infant in lap may carry a second personal item, such as a diaper bag, free of charge. C...
  2. How do I use a Voucher or ETC (Electronic Travel Certificate)?

    To use a voucher, simply book your new flight on FlyFrontier.com. Once you reach the payment screen, select " Frontier Voucher " and enter the voucher number. Please Note Vouchers are not redeemable for cash. Vouchers are valid for 90 d...
  3. Will I be charged a fee for bringing a stroller?

    No, you will not be charged a fee for checking a stroller, or a car seat. By the way, you can use the stroller in the airport, and the gate agent will check it at the gate.  The stroller will be returned to you by our ramp agents at your destinatio...
  4. How do I add my Known Traveler Number (KTN) to my reservation?

    Enter your Known Traveler Number (KTN) when you book your flight on flyfrontier.com. This can be done on the Passenger Information page during the booking process.  Forgot to add your Known Traveler Number (KTN) when you booked?  No wo...
  5. May I bring medicine and/or medical devices on the plane?

    Medicines should be kept in your carry-on bag and not in your checked luggage. Medical devices can be kept in your checked luggage or in your carry-on, however they must not exceed allowable carry-on dimensions. Refer to www.tsa.gov for permitte...
  6. What is the difference between a personal item and a carry-on?

    Personal item : It cannot be larger than 14"H, 18"W, 8"D. These are usually purses, totes, computer bags, briefcases, small backpacks and diaper bags! This b ag must be no larger than 14”X18”x8”. Carry-on bag : Your carry-on bag must be able ...
  7. What is included in my fare?

    Our fares include: 1 Personal Item Change or Cancel option (will require a fee + fare difference) Same Day Confirmed Flight option (will require a fee ) Ticket Transfer option (might require a fee + fare difference) Interested in addin...
  8. Do I have to purchase a seat assignment?

    Our  Basic  Fares do   not  include a seat assignment  of your choice .  Y ou may  purchase  a  seat    assignment  at the time of booking ,  after booking , or dur...
  9. I am experiencing a website or app error, what should I do?

    Website or mobile app technical problems are frustrating.    If you are on the website ( flyfrontier.com ) try the following:   Make sure you are connected to the internet   Clear the website cache & browser history   Restart t...
  10. Change Flight Time or Date

    You can make changes to your departure time or date on our website or our app.  To make changes on the website go  to “ My Trips /Check-In ”. Access your booking by entering  your “ Last Name ” and “ Confirmation Code ”, then press ...