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

Return flights

29 Apr - 06 May	Vueling Airlines
29 Apr - 10 May	Vueling Airlines
25 Apr - 10 May	Vueling Airlines
21 Apr - 28 Apr	Wizz Air Malta
29 Apr - 09 May	Vueling Airlines
22 Apr - 25 Apr	Vueling Airlines
24 Apr - 05 May	Ryanair
13 Apr - 22 Apr	Ryanair
15 Apr - 18 Apr	Ryanair
27 Apr - 09 May	Vueling Airlines
13 Apr - 20 Apr	Ryanair
28 Apr - 02 May	Vueling Airlines
30 Apr - 06 May	Wizz Air
18 Apr - 25 Apr	Vueling Airlines
27 Apr - 02 May	Vueling Airlines
29 Apr - 02 May	Vueling Airlines
10 Apr - 18 Apr	Wizz Air Malta
21 Apr - 29 Apr	easyJet
10 Apr - 12 Apr	Wizz Air
23 Apr - 30 Apr	Wizz Air UK

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 121€

Return flights