So I have not purchased a flight for myself in a long time. Probably 6-7 years. I fly, but only for work and that gets booked by our travel manager. We are planning on taking a vacation this fall and will be flying. What is the best places to look for cheap flights? I assume there are search functions that search all the airlines and give you the best price? Not sure which ones are the best. Any tips tricks or other ideas for someone that is out of the loop on deal shopping with flights? Assume I know nothing.