Cheapest return flights from San Francisco to Belgrade in April from $637

AirHint found the following cheapest return flights from San Francisco (SFO) to Belgrade (BEG) in April 2026 (see full year).

Return flights

26 Apr - 19 May LEVEL
27 Apr - 19 May Frontier Airlines

Also check the deals for one-way flights from San Francisco to Belgrade in April.

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