My 3 tips for not blowing your healthy diet in airports: 1. Make sure to bring a healthy snack for emergency situations. i.e apple, health bar, nuts and seeds. Hudson books always has packaged nuts/seeds/dried fruit mixes as well if you forget.
2. Hold out for the soups or salads. Its easy to be seduced by the pretzel wagon or the burger joint as you make your way between gates during stop overs. Don’t go for the first thing you see. Sniff around before you bite.
3. Stop at the sit down and order style of restaurants with a real waiter serving you instead of the counter order style, as much as possible. These full menu restaurants seem to have the most and best options for a healthy meal and they are usually pretty quick. If you are in a hurry check with the host whether you can be served in time. They can often give you take out as well.