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

Return flights

15 Apr - 22 Apr	easyJet
14 Apr - 18 Apr	Norwegian
18 Apr - 28 Apr	easyJet
14 Apr - 21 Apr	Norwegian
11 Apr - 22 Apr	easyJet
13 Apr - 18 Apr	Vueling Airlines
10 Apr - 15 Apr	Vueling Airlines
10 Apr - 18 Apr	Vueling Airlines
08 Apr - 16 Apr	Vueling Airlines
08 Apr - 15 Apr	easyJet
29 Apr - 03 May	Vueling Airlines
22 Apr - 02 May	Norwegian
21 Apr - 01 May	Vueling Airlines
25 Apr - 02 May	Vueling Airlines
22 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 144€

Return flights