Avelo Airlines has quickly become a popular choice for travelers seeking affordable nonstop flights across the U.S. But as with most ultra-low-cost airlines, the base fare doesn’t always guarantee comfort. That’s why many passengers ask an important question after booking: can you upgrade your seat after purchase on Avelo Airlines? The answer is yes — and in 2025, Avelo made seat upgrades even more appealing by introducing Stretch and Stretch+ seating options , designed to o
