Cheapest return flights from Bilbao to Keflavik in May from $206

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

Return flights

16 May - 26 May Vueling Airlines
05 May - 10 May easyJet
02 May - 10 May Vueling Airlines
06 May - 06 May Vueling Airlines
13 May - 17 May Wizz Air Malta
13 May - 18 May Wizz Air Malta
01 May - 10 May Vueling Airlines
20 May - 27 May Wizz Air Malta
02 May - 04 Jun Vueling Airlines
20 May - 26 May Wizz Air Malta
01 May - 04 Jun Vueling Airlines
18 May - 24 May Wizz Air Malta

Also check the deals for one-way flights from Bilbao to Keflavik in May.

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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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