Cheapest return flights from Washington to Keflavik in August from 631€

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

Return flights

20 Aug - 25 Aug Air Canada
20 Aug - 29 Aug Icelandair
01 Aug - 12 Aug Air Canada
01 Aug - 13 Aug Air Canada
29 Aug - 04 Sep British Airways
13 Aug - 17 Aug Scandinavian Airlines
19 Aug - 27 Aug Frontier Airlines
08 Aug - 17 Aug Scandinavian Airlines
01 Aug - 15 Aug Scandinavian Airlines
01 Aug - 14 Aug Scandinavian Airlines
11 Aug - 19 Aug Icelandair

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

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