AirHint found the following cheapest return flights from Washington (DCA) to Warsaw (WAW) in December 2025 (see full year).

Return flights

08 Dec - 24 Dec	Delta
01 Dec - 30 Jan	Delta
15 Dec - 09 Jan	Delta
01 Dec - 11 Jan	Delta
13 Dec - 09 Jan	Delta
14 Dec - 09 Jan	Delta
13 Dec - 10 Jan	Delta
12 Dec - 17 Jan	Delta
14 Dec - 10 Jan	Delta
13 Dec - 11 Jan	Delta
13 Dec - 08 Jan	Delta
17 Dec - 21 Dec	Delta
18 Dec - 21 Dec	Delta

Also check the deals for one-way flights from Washington to Warsaw 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 Washington to Warsaw in December from 429€

Return flights