With one-way tickets that average $55 and flight times of only an hour or two, Europe's low-cost airlines make exploring more than one part of the Continent faster, easier, and cheaper than ever before. So pack your bags—keeping it light—and get ready to join the new, budget jet set.
Scrappy no-frills carriers such as Southwest and JetBlue are no longer limited to our side of the Pond. The past five years have seen the creation of dozens of insanely cheap airlines connecting hundreds of European destinations—primarily big cities, tourism hot spots, and Mediterranean beaches—with fares of roughly $40 to $70 each way, taxes and fees included...