Cheapest one-way flights from Washington to Keflavik in October from $295

AirHint found the following cheapest one-way flights from Washington (DCA) to Keflavik (KEF) in October 2025 (see full year).

One-Way flights

24 Oct Scandinavian Airlines
18 Oct Scandinavian Airlines
12 Oct Air Canada
15 Oct Scandinavian Airlines
07 Oct Air France
20 Oct Air France
23 Oct Air France
21 Oct Air France
02 Oct jetBlue
25 Oct jetBlue

Also check the deals for return flights from Washington to Keflavik in October.

Skyscanner

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.

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