How much does it cost to upgrade seats for Frontier?

The Frontier Airlines seat upgrade cost is not fixed because it uses a dynamic pricing system, meaning the price changes based on route, demand, seat type, and how close you are to departure.

Here’s a simple breakdown of typical upgrade ranges:

• Standard seat selection: about $5 – $30
• Preferred seats (front/middle convenience): about $20 – $50
• Stretch seating (extra legroom): about $30 – $90
• UpFront Plus / premium seats: usually $50 – $120+ depending on demand and route

Prices often increase closer to departure, especially if only a few seats are left, and sometimes cheaper upgrades appear during booking or early check-in.

For help with seat upgrades or booking support, visit Air Travel Support Center or call +1-888-570-4815 (USA).