Cheapest return flights from Washington to Keflavik in March from 408€

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

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

Return flights

31 Mar - 07 Apr Icelandair direct
10 Mar - 26 Mar Icelandair direct
04 Mar - 12 Mar Icelandair direct
18 Mar - 26 Mar Icelandair direct
19 Mar - 25 Mar Scandinavian Airlines
04 Mar - 19 Mar Icelandair direct
19 Mar - 25 Mar Icelandair direct
02 Mar - 06 Mar Icelandair direct
18 Mar - 01 Apr Icelandair direct
20 Mar - 01 Apr Scandinavian Airlines
13 Mar - 17 Mar British Airways
12 Mar - 16 Mar Scandinavian Airlines
20 Mar - 01 Apr Icelandair direct
25 Mar - 30 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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