Cheapest return flights from Washington to Keflavik in August from $553

AirHint found the following cheapest return flights from Washington (DCA) to Keflavik (KEF) in August 2026 (see full year).

Return flights

17 Aug - 24 Aug Air France
18 Aug - 25 Aug Air France
02 Aug - 09 Aug Air Canada
03 Aug - 10 Aug Air France
01 Aug - 08 Aug Air Canada
10 Aug - 17 Aug Scandinavian Airlines
02 Aug - 08 Aug Lufthansa
11 Aug - 18 Aug United
04 Aug - 11 Aug United
09 Aug - 17 Aug Scandinavian Airlines

Also check the deals for one-way flights from Washington to Keflavik in August.

Powered by

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Feel free to contact us with any feedback or request another flight research.