AirHint found the following cheapest one-way flights from Keflavik (KEF) to Barcelona (BCN) in May 2026 (see full year).
One-Way flights
| 16 May | Vueling Airlines | direct | |
| 23 May | Vueling Airlines | direct | |
| 09 May | Vueling Airlines | direct | |
| 13 May | easyJet | ||
| 26 May | Wizz Air Malta | ||
| 28 May | easyJet | ||
| 28 May | Icelandair | direct | |
| 13 May | Icelandair | direct |
Also check the deals for return 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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