If you are stressing about How do choose a seat after booking a Frontier Flight? Then you can perform the task by using online and offline methods. You can book a seat through the online manage booking tab, with a check-in window, through a phone call, or at the airport. Apart from online methods, which you can perform by yourself, all other methods will be charged a small service fee. Below you will find the methods of seat selection.

Through Online-

Passengers can choose seats during the ticket reservation process and through the manage booking tab. It is advised to reserve a seat while the booking process if you want to avoid paying an excess seat selection fee. 

• Go to the official frontier website at www.flyfrontier.com. 
• Now you have to locate the manage booking tab at the screen's top.
• Enter your flight booking details, including the booking reference number and last name, and hit the search button to get your itinerary details.
• You will get your trip details on the screen, and after selecting the services option, you can select a seat for your journey.
• You can check the flight seat map, and by moving your mouse cursor, you can also check the prices of each seat.
• After choosing your preferred seat pay the applicable charges and complete the process.
• You will receive a confirmation mail at your registered email id.