Cheapest return flights from Boston to Prague in December from $447

Best time to book flights for Boston (BOS) to Prague (PRG) flights at AirHint

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

Return flights

02 Dec - 09 Dec Scandinavian Airlines
02 Dec - 10 Dec Scandinavian Airlines
08 Dec - 15 Dec Iberia
10 Dec - 17 Dec Aer Lingus
02 Dec - 19 Dec Finnair
02 Dec - 16 Dec British Airways
24 Dec - 14 Jan British Airways
09 Dec - 16 Dec British Airways
02 Dec - 20 Dec Finnair
23 Dec - 13 Jan British Airways
08 Dec - 12 Dec TAP
28 Dec - 05 Jan Fly Play
18 Dec - 08 Jan TAP
16 Dec - 30 Dec British Airways
20 Dec - 12 Jan Fly Play

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

Skyscanner

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.

Book a cheap hotel in Prague

Cheap car rent in Prague