AirHint found the following cheapest return flights from London (LHR) to Warsaw (WAW) in December 2026 (see full year).

Return flights

01 Dec - 14 Dec	British Airways	direct
01 Dec - 11 Dec	British Airways	direct
12 Dec - 16 Dec	LOT	direct
23 Dec - 07 Jan	KLM
24 Dec - 08 Jan	Scandinavian Airlines
20 Dec - 28 Dec	KLM
30 Dec - 03 Jan	KLM
26 Dec - 03 Jan	KLM
23 Dec - 07 Jan	LOT	direct
24 Dec - 08 Jan	LOT	direct
30 Dec - 03 Jan	LOT	direct
26 Dec - 03 Jan	LOT	direct
20 Dec - 28 Dec	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 $148

Return flights