At least twice a year I fly from Brussels to Bangkok and back. My wife usually makes the same round-trip in the opposite direction every 12 months. With intercontinental flights not exactly cheap, we try to maximize our budget. Let me teach you the tricks we have picked up over time. Some are obvious, others a lot less so. Most European frequent flyers will probably benefit from reading this post. As an example, my latest air fare was just EUR 314.