AirHint found the following cheapest return flights from Barcelona (BCN) to Keflavik (KEF) in May 2026 (see full year).
Return flights
| 12 May - 19 May | easyJet | ||
| 22 May - 31 May | Wizz Air Malta | ||
| 01 May - 10 May | Vueling Airlines | ||
| 18 May - 25 May | Fly Play | direct | |
| 15 May - 23 May | Fly Play | ||
| 22 May - 31 May | Icelandair | direct |
Also check the deals for one-way flights from Barcelona to Keflavik in May.
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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