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

Return flights

14 Apr - 25 Apr	easyJet
15 Apr - 21 Apr	Norwegian
13 Apr - 18 Apr	Vueling Airlines
08 Apr - 15 Apr	easyJet
08 Apr - 22 Apr	easyJet
18 Apr - 21 Apr	Vueling Airlines
17 Apr - 23 Apr	Vueling Airlines
13 Apr - 26 Apr	Vueling Airlines
15 Apr - 20 Apr	easyJet
13 Apr - 24 Apr	Vueling Airlines
25 Apr - 03 May	Vueling Airlines
26 Apr - 02 May	Lufthansa
24 Apr - 03 May	Fly Play
26 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 $168

Return flights