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

Return flights

04 Jul - 12 Jul	Wizz Air UK
06 Jul - 10 Jul	Fly Play	direct
03 Jul - 12 Jul	Iberia
15 Jul - 20 Jul	Fly Play	direct
06 Jul - 17 Jul	Fly Play	direct
20 Jul - 31 Jul	Fly Play	direct
10 Jul - 20 Jul	Fly Play	direct
01 Jul - 07 Jul	SWISS
25 Jul - 05 Aug	Iberia
24 Jul - 05 Aug	Iberia
15 Jul - 27 Jul	SWISS
13 Jul - 23 Jul	Iberia
25 Jul - 01 Aug	Iberia
20 Jul - 10 Aug	Fly Play	direct
25 Jul - 06 Aug	Iberia
24 Jul - 05 Aug	Fly Play	direct
25 Jul - 08 Aug	Iberia
31 Jul - 08 Aug	Iberia
25 Jul - 05 Aug	Icelandair	direct
25 Jul - 01 Aug	Icelandair	direct

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

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 Barcelona to Keflavik in July from 263€

Return flights