What Terminal is VietJet Air at BKK? Bangkok’s busy airport, Suvarnabhumi Airport (BKK), is the starting point for millions of tourists visiting Thailand and other countries. VietJet Air stands out among the airlines using this cutting-edge facility for its reasonably priced tickets and first-rate connectivity throughout Southeast Asia. Finding VietJet Air at Suvarnabhumi Airport can help you save time and expedite your travel, whether you’re planning a short trip to Vietnam or connecting to other locations. Let’s go over the terminal information, check-in procedure, and all the other things you need to know to ensure a seamless VietJet Air trip at BKK.