Cheapest return flights from Boston to Belgrade in January from $381

AirHint found the following cheapest return flights from Boston (BOS) to Belgrade (BEG) in January 2026 (see full year).

Return flights

25 Jan - 12 Feb Lufthansa
14 Jan - 21 Jan SWISS

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

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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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