Cheapest one-way flights from Keflavik to Belgrade in September from $139

AirHint found the following cheapest one-way flights from Keflavik (KEF) to Belgrade (BEG) in September 2025 (see full year).

One-Way flights

16 Sep Wizz Air
14 Sep Wizz Air
15 Sep Scandinavian Airlines

Also check the deals for return flights from Keflavik to Belgrade in September.

Skyscanner

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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