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 → ORL
IAD → ORL from $60 round-trip
USD 60
Frontier Airlines
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IAD → FLL
IAD → FLL from $80 round-trip
USD 80
Frontier Airlines
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IAD → MIA
IAD → MIA from $173 round-trip
USD 173
Frontier Airlines
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IAD → CHI
IAD → CHI from $268 round-trip
USD 268
Frontier Airlines
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IAD → SJO
IAD → SJO from $268 round-trip
USD 268
Copa Airlines
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IAD → SAL
IAD → SAL from $325 round-trip
USD 325
Avianca
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IAD → SAL
IAD → SAL from $394 round-trip
USD 394
Avianca
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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.