Outside the USA, however, most airlines have a weight limit for carry-on bags. They can range anywhere from 11 pounds (Air China) to 51 pounds (British Airways). Many budget airlines, both domestic and international, have strict guidelines and fees for the number and size of carry-on bag...
with a better interface using a good search tool. It's amazing how poor many of the airline's search interfaces are. The fares found on any half-decent search engine will be the same as the fares found on the airline's own website. ...