Cheapest return flights from Bilbao to Keflavik in March from $233

Best time to book flights for Bilbao (BIO) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Bilbao (BIO) to Keflavik (KEF) in March 2026 (see full year).

Return flights

18 Mar - 22 Mar Vueling Airlines
19 Mar - 22 Mar Vueling Airlines
30 Mar - 08 Apr easyJet
19 Mar - 29 Mar Vueling Airlines
28 Mar - 08 Apr Vueling Airlines
26 Mar - 07 Apr Vueling Airlines
26 Mar - 04 Apr Vueling Airlines
27 Mar - 07 Apr Vueling Airlines
28 Mar - 07 Apr Lufthansa
26 Mar - 05 Apr Lufthansa
27 Mar - 05 Apr Lufthansa
29 Mar - 08 Apr easyJet
29 Mar - 07 Apr Lufthansa

Also check the deals for one-way flights from Bilbao 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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