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

Return flights

04 Jul - 13 Jul	Vueling Airlines
18 Jul - 29 Jul	Wizz Air UK
16 Jul - 31 Jul	Vueling Airlines
18 Jul - 28 Jul	Wizz Air UK
27 Jul - 10 Aug	Wizz Air UK
24 Jul - 12 Aug	Vueling Airlines
14 Jul - 23 Jul	Vueling Airlines
24 Jul - 04 Aug	Vueling Airlines
18 Jul - 25 Jul	Wizz Air UK
06 Jul - 20 Jul	Air Europa
14 Jul - 24 Jul	Vueling Airlines
03 Jul - 09 Jul	Vueling Airlines
15 Jul - 25 Jul	easyJet
26 Jul - 02 Aug	Vueling Airlines
19 Jul - 09 Aug	Air Europa

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

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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Cheapest return flights from Bilbao to Keflavik in July from 313€

Return flights