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

Return flights

18 Apr - 22 Apr	easyJet
15 Apr - 21 Apr	Vueling Airlines
20 Apr - 26 Apr	Vueling Airlines
22 Apr - 29 Apr	Wizz Air UK
18 Apr - 28 Apr	easyJet
14 Apr - 16 Apr	easyJet
27 Apr - 07 May	easyJet
25 Apr - 03 May	Wizz Air UK
17 Apr - 21 Apr	Vueling Airlines
22 Apr - 27 Apr	Wizz Air UK
20 Apr - 27 Apr	easyJet
29 Apr - 03 May	Scandinavian Airlines
19 Apr - 29 Apr	Vueling Airlines
24 Apr - 03 May	Vueling Airlines
29 Apr - 02 May	SWISS
24 Apr - 05 May	Ryanair
27 Apr - 02 May	Vueling Airlines
30 Apr - 03 May	Vueling Airlines
27 Apr - 01 May	Vueling Airlines
24 Apr - 03 May	Icelandair	direct

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

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 April from 166€

Return flights