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

Return flights

09 Dec - 16 Dec	Scandinavian Airlines
03 Dec - 10 Dec	Air Canada
12 Dec - 16 Dec	Scandinavian Airlines
28 Dec - 11 Jan	Scandinavian Airlines
03 Dec - 07 Dec	Air Canada
25 Dec - 01 Jan	Air Canada
19 Dec - 05 Jan	Scandinavian Airlines
16 Dec - 03 Jan	Delta

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

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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Cheapest return flights from New York to Prague in December from $581

Return flights