re: Travel and Leisure- Airfares will drop to record lows this fall

From what I've seen, the airlines store cookies in your web browser so they can see what flights you're looking at. If they see that you keep browsing those flights, sometimes they can raise the prices just so you book it before you think it'll jump even more. I just use google flights since it has everything, I'll gladly vouch for how good it is specifically for flights.