Cheapest one-way flights from Barcelona to Keflavik in August from $129

Best time to book flights for Barcelona (BCN) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest one-way flights from Barcelona (BCN) to Keflavik (KEF) in August 2025 (see full year).

One-Way flights

31 Aug Scandinavian Airlines
31 Aug Fly Play direct
20 Aug Vueling Airlines
18 Aug Vueling Airlines
12 Aug easyJet
11 Aug Vueling Airlines
19 Aug easyJet
21 Aug Norwegian Air Sweden AOC
22 Aug Ryanair
15 Aug Wizz Air Malta

Also check the deals for return flights from Barcelona to Keflavik in August.

Skyscanner

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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