Cheapest return flights from Boston to Prague in December from $357

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

Return flights

03 Dec - 17 Dec Brussels Airlines
02 Dec - 16 Dec Air Canada
03 Dec - 10 Dec Air Canada
25 Dec - 08 Jan Air Canada
17 Dec - 07 Jan SWISS
05 Dec - 14 Dec Air Canada
22 Dec - 05 Jan SWISS
11 Dec - 21 Dec SWISS
16 Dec - 04 Jan Lufthansa

Also check the deals for one-way flights from Boston to Prague 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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