Cheapest return flights from Washington to Keflavik in March from 499€

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

12 Mar - 17 Mar British Airways
11 Mar - 18 Mar British Airways
18 Mar - 26 Mar British Airways
23 Mar - 26 Mar jetBlue
04 Mar - 11 Mar British Airways
20 Mar - 27 Mar Icelandair
01 Mar - 06 Mar British Airways
01 Mar - 05 Mar British Airways
03 Mar - 08 Mar British Airways
25 Mar - 27 Mar British Airways
29 Mar - 04 Apr Icelandair
13 Mar - 02 Apr British Airways

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

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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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