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

Return flights

31 Dec - 09 Jan	LOT	direct
06 Dec - 19 Dec	LOT	direct
11 Dec - 19 Dec	LOT	direct
10 Dec - 16 Dec	LOT	direct
10 Dec - 17 Dec	LOT	direct
30 Dec - 11 Jan	LOT	direct
11 Dec - 15 Dec	LOT	direct
06 Dec - 11 Dec	LOT	direct
31 Dec - 17 Jan	LOT	direct
02 Dec - 17 Dec	LOT	direct
01 Dec - 16 Dec	LOT	direct
05 Dec - 11 Dec	LOT	direct
09 Dec - 19 Dec	LOT	direct
29 Dec - 10 Jan	LOT	direct
29 Dec - 07 Jan	LOT	direct
10 Dec - 11 Jan	LOT	direct
11 Dec - 07 Jan	LOT	direct
11 Dec - 11 Jan	LOT	direct
12 Dec - 07 Jan	LOT	direct
12 Dec - 12 Jan	LOT	direct

Also check the deals for one-way flights from London 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 London to Warsaw in December from 112€

Return flights