The Very Basics: Using Airline Rewards Credit Cards to Fly for Cheap Travel Hacking: It's a way to use the rules and loyalty programs put in place by airlines, hotels, and credit cards, to your advantage to travel the world and fly anywhere while spending very little. I follow some travel bloggers who get round trip tickets to Europe, Asia, Australia and South America for free... not to mention, they're sitting in first class. And their hotels during the stay? Completely free too…
These are tricks to fly business class cheap and first class cheap. These 5 booking tricks are all you need to fly in luxury classes for the price of economy or coach. This works on all airlines from British Airways, American Airlines, Lufthansa, Qatar Airways, Austrian Airlines, and many more
Find Really Cheap First-Class or Business-Class Tickets with ITA Software's Matrix
For advanced searching to show only the discounted fare classes, you can search with "secret" commands. There are a bunch of different inventor codes (e.g., the "A" booking class is the discounted first class). See Hack My Trip for the advanced search codes.