Cheapest return flights from Boston to Prague in December from $396

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

Return flights

10 Dec - 17 Dec American Airlines
08 Dec - 15 Dec SWISS
27 Dec - 10 Jan Air Canada
11 Dec - 18 Dec Scandinavian Airlines
15 Dec - 23 Dec Air Canada
27 Dec - 12 Jan Lufthansa
16 Dec - 13 Jan Iberia
26 Dec - 10 Jan Air Canada
17 Dec - 24 Jan Aer Lingus
21 Dec - 05 Jan Aer Lingus
20 Dec - 03 Jan Icelandair
20 Dec - 02 Jan Icelandair
22 Dec - 02 Jan Aer Lingus
21 Dec - 03 Jan Aer Lingus

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

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