Cheapest return flights from Keflavik to Belgrade in December from 209€

AirHint found the following cheapest return flights from Keflavik (KEF) to Belgrade (BEG) in December 2025 (see full year).

Return flights

04 Dec - 07 Dec KLM
08 Dec - 12 Dec Wizz Air
15 Dec - 19 Dec easyJet
19 Dec - 11 Jan Wizz Air Malta
21 Dec - 06 Jan easyJet
23 Dec - 12 Jan easyJet
19 Dec - 09 Jan Lufthansa
23 Dec - 11 Jan easyJet
20 Dec - 11 Jan easyJet
21 Dec - 04 Jan TUI
15 Dec - 15 Dec Wizz Air
21 Dec - 03 Jan easyJet
19 Dec - 02 Jan Wizz Air Malta

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

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