You Can Now Pay to Keep the Middle Seat Empty on This Budget Airline

https://cdn1.matadornetwork.com/blogs/1/2024/03/back-of-airplane-seats.jpg' class='webfeedsFeaturedVisual'></figure>And the upgrade is discounted for all flights in April 

And the upgrade is discounted for all flights in April

https://matadornetwork.com/read/frontier-airlines-middle-seat-upfront-plus/