Cheapest return flights from Boston to Bucharest in December from 337€

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

Return flights

09 Dec - 16 Dec Austrian Airlines
02 Dec - 09 Dec Air Canada
03 Dec - 10 Dec Air Canada
08 Dec - 15 Dec Air Canada
01 Dec - 08 Dec Lufthansa
04 Dec - 11 Dec Air Canada
05 Dec - 12 Dec Air France
15 Dec - 22 Dec KLM
07 Dec - 14 Dec Air Canada
10 Dec - 17 Dec British Airways
20 Dec - 10 Jan Frontier Airlines
08 Dec - 03 Jan Icelandair

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

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