Cheapest return flights from Washington to Keflavik in October from 488€

Best time to book flights for Washington (DCA) to Keflavik (KEF) flights at AirHint

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

Return flights

14 Oct - 21 Oct Virgin Atlantic
07 Oct - 14 Oct Air France
27 Oct - 03 Nov British Airways
28 Oct - 04 Nov British Airways
06 Oct - 13 Oct British Airways
08 Oct - 15 Oct British Airways
15 Oct - 22 Oct Virgin Atlantic
16 Oct - 23 Oct Virgin Atlantic
12 Oct - 19 Oct KLM
13 Oct - 20 Oct Air France
21 Oct - 28 Oct British Airways
22 Oct - 29 Oct British Airways
25 Oct - 01 Nov Icelandair

Also check the deals for one-way 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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik