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

Return flights

22 Apr - 29 Apr	easyJet
22 Apr - 28 Apr	Vueling Airlines
21 Apr - 28 Apr	Vueling Airlines
20 Apr - 26 Apr	Vueling Airlines
09 Apr - 14 Apr	Vueling Airlines
28 Apr - 03 May	Vueling Airlines
16 Apr - 20 Apr	easyJet
14 Apr - 24 Apr	Vueling Airlines
16 Apr - 23 Apr	easyJet
11 Apr - 17 Apr	easyJet
08 Apr - 15 Apr	easyJet
30 Apr - 04 May	Ryanair
23 Apr - 02 May	Vueling Airlines
27 Apr - 02 May	Icelandair	direct
23 Apr - 02 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 158€

Return flights