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

Return flights

29 Jan - 03 Feb	KLM
29 Jan - 04 Feb	KLM
29 Jan - 05 Feb	KLM
29 Jan - 02 Feb	KLM
27 Jan - 30 Jan	KLM
26 Jan - 30 Jan	KLM
26 Jan - 13 Feb	KLM
26 Jan - 06 Feb	KLM
24 Jan - 27 Jan	KLM
25 Jan - 30 Jan	KLM
24 Jan - 26 Jan	KLM
25 Jan - 28 Jan	KLM
25 Jan - 29 Jan	KLM
26 Jan - 29 Jan	KLM
25 Jan - 28 Feb	KLM
28 Jan - 02 Feb	KLM
26 Jan - 02 Feb	KLM
23 Jan - 27 Jan	KLM
23 Jan - 09 Feb	KLM
24 Jan - 25 Jan	KLM

Also check the deals for one-way flights from London to Warsaw in January.

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 January from $253

Return flights