Hello! I have an urgent question for my grandparents who need to get from Don Mueang to Suvarnabhumi Airport. They will land at Don Mueang tomorrow morning from Chiang mai and need to get to Suvarnabhumi as soon as possible. Which area has trust worthy taxis and how much is the fare? Should they agree on price beforehand getting in? I am asking because I have never used a taxi before. Thank you! If there is any other taxi related knowledge I need please let me know~ I greatly appreciate this.

there is a taxi queue, there is a sign, the taxis have meters, check if they turn on the meter

Which floor are the taxis located at don mueang?

arrival

there is also a direct shuttle bus