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	Ryanair
15 Jul - 02 Aug	Ryanair
29 Jul - 12 Aug	Ryanair
18 Jul - 02 Aug	Vueling Airlines
29 Jul - 11 Aug	Ryanair
01 Jul - 08 Jul	Ryanair
08 Jul - 22 Jul	Ryanair
03 Jul - 13 Jul	Vueling Airlines
20 Jul - 31 Jul	Wizz Air UK
15 Jul - 31 Jul	Vueling Airlines
25 Jul - 02 Aug	Wizz Air UK
03 Jul - 15 Jul	Vueling Airlines
03 Jul - 19 Jul	Vueling Airlines
07 Jul - 14 Jul	KLM
22 Jul - 05 Aug	Ryanair
08 Jul - 17 Jul	Ryanair
27 Jul - 04 Aug	Wizz Air UK
27 Jul - 12 Aug	Wizz Air UK
28 Jul - 12 Aug	Ryanair
29 Jul - 05 Aug	Ryanair

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 259€

Return flights