Cheapest return flights from Boston to Belgrade in December from $363

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

Return flights

01 Dec - 10 Dec Air Canada
02 Dec - 23 Dec Air Canada
03 Dec - 24 Dec Air Canada
09 Dec - 30 Dec Austrian Airlines
10 Dec - 31 Dec Lufthansa
27 Dec - 18 Jan Air Canada
04 Dec - 14 Dec Air Canada
16 Dec - 06 Jan Air Canada
17 Dec - 07 Jan Air France

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

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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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