You can change a Frontier flight, but the process and cost depend on your ticket type and how far in advance you make the change

Frontier Airlines allows you to change your flight, but unlike some carriers, they charge a change fee on most tickets. The fee ranges from $25 to $99 depending on how close your flight is and what type of ticket you bought. If you booked a basic economy ticket, you will also pay the difference in airfare if your new flight costs more. Some ticket types—like their "Stretch" or higher fares—include one free change, so check your confirmation email first.

You can change your flight online through your Frontier account, by phone, or at the airport, though the airport option is slower and may carry an additional fee. The key is knowing your booking reference (a six-character code on your confirmation) and having your last name and email address ready. Changes must be made before your original flight departs, and you cannot change to a flight that has already left.

Key Takeaways

  • Frontier charges a change fee of $25 to $99 on most tickets, plus any difference in airfare if your new flight costs more.
  • You can change your flight online, by phone at 801-401-9000, or at the airport using your booking reference and last name.
  • Some higher-tier tickets include one free change, so check your confirmation email before paying a fee.
  • Changes must be made before your original flight departs, and you cannot change to a flight that has already left.
  • If you change to a cheaper flight, Frontier keeps the difference as a non-refundable credit toward future travel.

Change fees and what they cover

Frontier's change fee depends on when you make the change. If you change your flight more than 14 days before departure, the fee is $25. Between 7 and 14 days before, it is $50. Within 7 days of your flight, the fee jumps to $99. These fees explore to most basic economy tickets; if you paid for a higher fare class, check your confirmation to see whether changes are included.

The change fee covers the administrative cost of moving you to a different flight. On top of that, you pay any difference in airfare. If your new flight is cheaper, Frontier does not refund the difference—instead, they issue a credit toward a future booking. If your new flight is more expensive, you pay the additional amount when ready. You cannot use a change to move to a flight that is cheaper and pocket the savings.

How to change your flight online

The fastest way to change your Frontier flight is through their website or mobile app. Go to Frontier.com, click "Manage My Booking," and enter your booking reference (the six-character code from your confirmation email) and last name. You will see your itinerary and a "Change Flight" button.

Click that button and select a new date and time from the available flights. The system will show you the change fee and any airfare difference before you confirm. Review the total cost, then proceed to payment. You can pay with the same card you used to book, or a different one. Once you confirm, you will receive a new confirmation email with your updated flight details within minutes.

If you are changing to a flight on the same day, the process is identical. If you are changing to a different date, make sure the new flight is at least a few hours after your original departure time, or the system may not allow the change.

Changing by phone or at the airport

If you prefer to speak with someone, call Frontier's reservations line at 801-401-9000. Have your booking reference and last name ready. A representative will look up your reservation, show you available flights, and process the change over the phone. You will pay the change fee and any airfare difference by credit card. This method takes longer than online—expect to wait 15 to 30 minutes depending on call volume—but it is useful if you have questions about specific flights or need help choosing.

You can also change your flight at the airport ticket counter, but this is the slowest option and may carry an additional $15 to $25 fee on top of the standard change fee. Only use this option if you are already at the airport and cannot change online or by phone. The ticket agent will print a new boarding pass and send your updated confirmation to your email.

Tickets that include free changes

Frontier offers several ticket types above basic economy, and some include one free change. Their "Stretch" fare includes a free change, as do their "Standard" and "Business" fares. If you bought one of these tickets, you will not pay the $25 to $99 change fee, though you will still pay any difference in airfare if your new flight costs more.

To find out what type of ticket you have, look at your confirmation email. It will list your fare class near the top. If you are unsure whether your ticket includes a free change, call 801-401-9000 and ask before you attempt to change online—that way you will know exactly what to expect before you pay.

What you cannot change and what happens to your seat

You cannot change your flight after it has departed. If you miss your flight, you have forfeited it, and you will need to purchase a new ticket. You also cannot change to a flight that has already left the ground. If you are trying to change to an earlier flight on the same day and that flight has already departed, you will need to choose a later option.

When you change your flight, your original seat assignment is cancelled. Your new flight will assign you a seat automatically, usually in the same cabin class as your original ticket. If you had paid for a specific seat on your original flight, that fee does not transfer to your new flight—you will need to pay again if you want to select a specific seat on the new flight.

Frequently Asked Questions

What if I change to a cheaper flight—do I get a refund?

No. Frontier issues the difference as a non-refundable credit toward a future booking. The credit is tied to the passenger name on the original ticket and does not expire, but it can only be used for future Frontier flights, not for other airlines or for cash.

Can I change my flight more than once?

Yes, you can change your flight multiple times. Each change incurs a new fee (unless your ticket includes free changes) plus any airfare difference. There is no limit to how many times you can change, as long as you change before your flight departs.

Do I have to change to a flight on the same route?

No. You can change to any Frontier flight, on any route, as long as it departs after your original flight. If you want to change to a completely different destination, you will pay the change fee plus the full difference in airfare between the two routes.

What if my flight is cancelled—do I have to pay to change?

No. If Frontier cancels your flight, you can rebook on another Frontier flight at no charge. You will be offered options automatically, or you can contact Frontier to choose a different flight yourself. You only pay the change fee if you are the one initiating the change.

Can I change my flight if I have a connecting flight?

Yes, but you must change the entire itinerary, not just one leg. If you have a round-trip ticket with a connection, changing your outbound flight will require you to rebook your return flight as well. Contact Frontier by phone to handle multi-leg changes, as the online system can be confusing for itineraries with connections.