AirHint found the following cheapest return flights from Belgrade (BEG) to Keflavik (KEF) in May 2026 (see full year).

Return flights

05 May - 10 May	Wizz Air UK
13 May - 17 May	Wizz Air
20 May - 27 May	Wizz Air
02 May - 10 May	Wizz Air UK
16 May - 21 May	Wizz Air UK
02 May - 09 May	Air Serbia
09 May - 17 May	Wizz Air UK
11 May - 19 May	Wizz Air
11 May - 18 May	Wizz Air
10 May - 18 May	Wizz Air
31 May - 07 Jun	Air Serbia
29 May - 03 Jun	Austrian Airlines

Also check the deals for one-way flights from Belgrade to Keflavik in May.

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 Belgrade to Keflavik in May from $193

Return flights