Booking flights early is often the smartest way to save money, but it doesn’t always mean you’re locked into the same travel experience. Many travelers book Economy class and later decide they want extra comfort, more legroom, or premium services. If you’re flying with Avianca, you might be wondering: can you upgrade your seat after purchase on Avianca Airlines? The answer is yes , but the process is not always straightforward. Avianca Airlines seat upgrade  options depend on