Cheapest return flights from Keflavik to Barcelona in August from $360

AirHint found the following cheapest return flights from Keflavik (KEF) to Barcelona (BCN) in August 2026 (see full year).

Return flights

15 Aug - 16 Sep Wizz Air
05 Aug - 26 Aug Vueling Airlines direct
21 Aug - 25 Aug Transavia France
26 Aug - 05 Sep Vueling Airlines direct
15 Aug - 05 Sep Vueling Airlines direct
26 Aug - 29 Aug Vueling Airlines direct
15 Aug - 29 Aug Vueling Airlines direct
08 Aug - 29 Aug Vueling Airlines direct
26 Aug - 09 Sep Vueling Airlines direct
15 Aug - 22 Aug Wizz Air
15 Aug - 26 Aug Vueling Airlines direct
08 Aug - 26 Aug Vueling Airlines direct
06 Aug - 13 Aug easyJet
26 Aug - 02 Sep Vueling Airlines direct
15 Aug - 02 Sep Vueling Airlines direct
14 Aug - 22 Aug Scandinavian Airlines
26 Aug - 12 Sep Vueling Airlines direct
29 Aug - 05 Sep Vueling Airlines direct
19 Aug - 05 Sep Vueling Airlines direct
22 Aug - 05 Sep Vueling Airlines direct

Also check the deals for one-way flights from Keflavik to Barcelona 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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