Cheapest return flights from Bilbao to Keflavik in August from 349€

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 August 2025 (see full year).

Return flights

18 Aug - 30 Aug Vueling Airlines
08 Aug - 26 Aug Vueling Airlines
22 Aug - 29 Aug Vueling Airlines
10 Aug - 22 Aug Vueling Airlines
08 Aug - 23 Aug Vueling Airlines
09 Aug - 21 Aug Vueling Airlines
08 Aug - 24 Aug Vueling Airlines
08 Aug - 25 Aug Vueling Airlines

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

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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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