Although there are last-minute offers, you can t be sure that you ll be able to get what you need by waiting, so it s safer to buy well in advance. Stay over on Saturday Fares are lower if your trip includes a Saturday night. It s also generally cheaper to fly Tuesdays, Wednesdays, and Saturdays. Be flexible on travel times You can often get cheaper flights by being flexible on the time of day you fly. Late night and early morning flights are sometimes cheaper.
Direct flights are understandably more in- demand and therefore command higher fares.
If you have the time and patience, search for non-direct routes. If you have a connecting flight and are in the airport for more than 4 hours, it s considered a stop over, for which some airlines charge a fee. By booking in advance and having your choice of schedules, you can make sure you have connecting flights within 4 hours of arrival. Some people buy tickets from consolidators that buy tickets in bulk and sell at discounts. It can be risky, so it s important to research the company before giving them your money.