Cheapest return flights from Washington to Keflavik in March from 425€

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 March 2025 (see full year).

Return flights

17 Mar - 26 Mar jetBlue
09 Mar - 18 Mar British Airways
12 Mar - 18 Mar British Airways
04 Mar - 11 Mar British Airways
10 Mar - 19 Mar British Airways
11 Mar - 19 Mar British Airways
16 Mar - 25 Mar British Airways
26 Mar - 02 Apr British Airways
23 Mar - 04 Apr British Airways
18 Mar - 24 Mar British Airways
03 Mar - 07 Mar jetBlue
12 Mar - 17 Mar British Airways
29 Mar - 06 Apr British Airways
29 Mar - 05 Apr jetBlue
29 Mar - 04 Apr Icelandair
30 Mar - 05 Apr Icelandair
31 Mar - 03 Apr jetBlue

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

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