From finding cheaper flights to scoring last-minute lift tickets, here are some websites that will help ease you on down the road (or slopes).
Flight search focuses on price and connections.
Hotel search includes more than 300,000 properties and has an easy-to-use sliding price bar filter.
Car rentals in the U.S. and overseas.
You can't search for more than one city at a time.
Some airlines aren't searched (Southwest).
Partner Martin Lumbye says Momondo meant "my world" in ancient Spanish. This Google-like flight, hotel and car-rental search engine was created in 2006 to provide "price transparency for consumers and show as many prices from as many suppliers as possible," Lumbye says.
Find low fares other search engines miss.
Incorporate high-speed trains in Europe (various rail lines) and the U.S. (Amtrak) into searches.
Display a price graph (or calendar) showing the cheapest days to fly.