Cheapest return flights from Washington to Keflavik in March from 487€

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 British Airways
25 Mar - 01 Apr British Airways
26 Mar - 02 Apr British Airways
24 Mar - 31 Mar British Airways
22 Mar - 29 Mar jetBlue
08 Mar - 27 Mar British Airways
13 Mar - 27 Mar British Airways
05 Mar - 24 Mar British Airways
27 Mar - 03 Apr British Airways
28 Mar - 04 Apr British Airways
08 Mar - 14 Mar British Airways
18 Mar - 24 Mar British Airways
13 Mar - 17 Mar British Airways
28 Mar - 31 Mar 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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