AirHint found the following cheapest return flights from Reykjavik (REK) to Barcelona (BCN) in August 2025 (see full year).

Return flights

19 Aug - 31 Aug	Fly Play
20 Aug - 01 Sep	Wizz Air
24 Aug - 14 Sep	Vueling Airlines	direct
10 Aug - 25 Aug	Fly Play	direct
13 Aug - 17 Aug	Fly Play
17 Aug - 31 Aug	Vueling Airlines	direct
24 Aug - 31 Aug	Vueling Airlines	direct
17 Aug - 07 Sep	Vueling Airlines	direct
22 Aug - 23 Aug	Eurowings
10 Aug - 31 Aug	Vueling Airlines	direct
17 Aug - 25 Aug	Wizz Air
17 Aug - 24 Aug	Vueling Airlines	direct
14 Aug - 18 Aug	Fly Play
24 Aug - 07 Sep	Vueling Airlines	direct
20 Aug - 01 Sep	Fly Play	direct

Also check the deals for one-way flights from Reykjavik to Barcelona in August.

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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Cheapest return flights from Reykjavik to Barcelona in August from $217

Return flights