Since they promise to sell a specific number of tickets each airline, they purchase the tickets at a lower cost than what is offered to the single consumer. The websites pass the savings to the customers using their sites to buy tickets. You pick the flight, which best suits your requirements or best fits your budget. see this here

The customer who stores earliest saves the maximum. If you are willing to travel to distant airports, leave and return on off-peak days (such as Tuesday) or take late night flights, you can save because those tickets are harder for your site to market. Many times, cheap flight sites will offer package deals to certain destinations according to tickets that they bought at a discount. Choosing your destination in the site's offerings can save more money than single trip tickets. Bundling hotel and car rental with your airline tickets can make you a discount in the site even in the event that you select your own destination.

Comparing cheap flight sites - An online search will return thousands of results for discounted airfare websites. Bright shoppers evaluate the ticket costs at three or more websites before buying their tickets.

Some smaller websites will offer cheaper tickets since they don't have a large advertising budget for tv, radio or print advertisements. These websites can operate with a smaller profit margin and pass the savings right to the customer.

Savvy browsers shop websites by getting a ticket quotation from each website in a different Internet browser tab. Once each of the quotes are in, flight deals you can reverse from tab to tab to choose the best-valued tickets. Some inexpensive flight websites will search other sites to find the lowest priced tickets. These sites save you time while still saving you cash. Make certain to confirm the truth of those crawler websites by checking with the official website before you buy to ensure you have gotten a precise quote for your own ticket cost.