Upgrade Comfort on Avianca FlightsFlying with Avianca just got more comfortable with the Avianca Seat Upgrade Fee option. Passengers can enjoy extra legroom, priority boarding, and more convenient seating by paying a small fee. Read More : https://www.flightshelpcenter.com/help-guide/avianca-seat-upgrade-fee/#AviancaSeatUpgrade#AviancaFlights#SeatUpgradeFee#AviancaComfort