The Washington, D.C., area will be getting a lot more air traffic this year. Following U.S. Airways' announcement that they will be increasing frequency of flights to D.C., Porter Airlines – also one of our Top 10 Budget Airlines – will begin operating daily roundtrip flights between Washington Dulles International Airport and Billy Bishop Toronto City Airport.

This route is now the Canadian airline's sixth U.S. destination (Porter also flies to New York, Chicago, and Boston, and has seasonal flights to Myrtle Beach, S.C., and Burlington, Vt.). Flights will begin operating on April 16, with up to three roundtrip flights daily.

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