Hey, British Airways operates its international flights out of Suvarnabhumi Airport. In case you are wondering What terminal is British Airways at BKK, it departs from Suvarnabhumi Airport's main international terminal. Large, clean, and well-marked, the terminal is simple to use. First-time travelers may easily locate the British Airways check-in counter. During check-in and baggage ... https://www.findairportterminal.com/british-airways/british-airways-terminal-suvarnabhumi-airport-bkk/