One website I often use to plan my trips, find and purchase affordable airline tickets, and sometimes find hotels and transportation as well is Expedia.com.

Expedia is easy to navigate, and it can be a huge time-saver when it comes to researching prices. For example, if I want to find the cheapest airline ticket to fly from New York to Rome, I don't have to go to each airline and check their prices - or contact several travel agents and have them quote their rates in order to see which one takes less money for the service. All I have to do is type in my information at Expedia.com - date, destination, return date, number of passengers, round trip or one way, etc. - and click "Search for Flights." Within moments, I will have all the most affordable flights, from all airlines, right there in front of me.

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