Originally Posted by
EsherFlyer
Here's a stab at that. Airports with international flights listed by IATA region then country. Mainly based on OneWorld data I happened to have. If it's useful and someone has IATA based data for *A or random locations in IATA region / country / station form (eg AFO,AO,LAD) then I'll add them and make a WIki.
If you are handy with Excel or awk or other text processing utility, consider grabbing a preprocessed file of airports and their characteristics from openflights.org.
https://openflights.org/data.html
NB, the data come under a free but viral licence:
https://openflights.org/data.html#license