Cheap flights
Cheap Flights from Washington, D.C. (IAD)
Dulles (IAD) is United's East Coast international hub — one of the best D.C.-area airports for cheap flights to Europe, Africa, and the Middle East. DCA and BWI cover most domestic routes.
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Popular destinations from Washington, D.C.
Frequently asked questions
IAD, DCA, or BWI — which is cheapest?
IAD wins on international. BWI (Southwest-heavy) is usually cheapest for domestic. DCA is convenient but priciest per seat.
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