Cheapest return flights from Washington to Prague in December from 403€

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

Return flights

04 Dec - 10 Dec Scandinavian Airlines
04 Dec - 09 Dec Scandinavian Airlines
11 Dec - 25 Dec Scandinavian Airlines
04 Dec - 16 Dec SWISS
15 Dec - 29 Dec Lufthansa
26 Dec - 17 Jan Lufthansa
27 Dec - 17 Jan Lufthansa
02 Dec - 27 Dec Lufthansa
25 Dec - 17 Jan British Airways
13 Dec - 27 Dec SWISS
19 Dec - 26 Dec Aer Lingus
29 Dec - 01 Jan TAP
23 Dec - 31 Dec SWISS
18 Dec - 01 Jan SWISS

Also check the deals for one-way flights from Washington 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

Feel free to contact us with any feedback or request another flight research.