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 → ATL
IAD → ATL from $90 round-trip
USD 90
Frontier Airlines
Deal details →Affiliate link — Flying Frugal may earn a commission at no extra cost to you.
IAD → FLL
IAD → FLL from $114 round-trip
USD 114
Frontier Airlines
Deal details →Affiliate link — Flying Frugal may earn a commission at no extra cost to you.
IAD → BOS
IAD → BOS from $149 round-trip
USD 149
United Airlines
Deal details →Affiliate link — Flying Frugal may earn a commission at no extra cost to you.
IAD → LON
IAD → LON from $371 round-trip
USD 371
TAP Air Portugal
Deal details →Affiliate link — Flying Frugal may earn a commission at no extra cost to you.
IAD → SKD
IAD → SKD from $919 round-trip
USD 919
Turkish Airlines
Deal details →Affiliate link — Flying Frugal may earn a commission at no extra cost to you.
Upgrade the trip
Turn These Flights Into Full Cheap Trips
Add a hotel or build a flight + hotel package on Trip.com. Prices and availability are shown at checkout.
Flying Frugal may earn a commission when you book through links on this site. This helps keep our deal alerts free.
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.