Southeast Iowa Regional Airport is served by 1 airline, flying from/to 2 destinationsLongest flight from Southeast Iowa Regional Airport is Burlington to 🇺🇸 St Louis (STL), which takes around 1 hour and 15 minutes. On an airline like Southern Airways Express. More info on this flight route (BRL-STL).Shortest flight from Southeast Iowa Regional Airport is Burlington to 🇺🇸 St Louis (STL), which takes around 1 hour and 15 minutes. On an airline like Southern Airways Express. More info on this flight route (BRL-STL).