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.
IAD → FLL
IAD → FLL from $52 round-trip
USD 52
Frontier Airlines
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IAD → DFW
IAD → DFW from $164 round-trip
USD 164
Frontier Airlines
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IAD → NYC
IAD → NYC from $170 round-trip
USD 170
Frontier Airlines
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IAD → SAL
IAD → SAL from $313 round-trip
USD 313
Avianca
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IAD → IST
IAD → IST from $451 round-trip
USD 451
Qatar Airways
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IAD → TAS
IAD → TAS from $796 round-trip
USD 796
Etihad Airways
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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.