Cheapest return flights from Keflavik to Barcelona in May from $168

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

Return flights

09 May - 23 May Vueling Airlines direct
09 May - 16 May Vueling Airlines direct
16 May - 23 May Vueling Airlines direct
02 May - 09 May Vueling Airlines direct
02 May - 23 May Vueling Airlines direct
02 May - 16 May Vueling Airlines direct
30 May - 17 Jun Vueling Airlines direct
16 May - 26 May Vueling Airlines
05 May - 15 May easyJet
23 May - 06 Jun Vueling Airlines direct
23 May - 13 Jun Vueling Airlines direct
16 May - 06 Jun Vueling Airlines direct
30 May - 20 Jun Vueling Airlines direct
30 May - 06 Jun Vueling Airlines direct
30 May - 13 Jun Vueling Airlines direct
17 May - 27 May easyJet
25 May - 29 May Scandinavian Airlines

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