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

Return flights

31 Jan - 03 Feb	ITA Airways
24 Jan - 27 Jan	ITA Airways
23 Jan - 26 Jan	ITA Airways
29 Jan - 03 Feb	ITA Airways
27 Jan - 29 Jan	ITA Airways
19 Jan - 23 Jan	ITA Airways
16 Jan - 19 Jan	ITA Airways
17 Jan - 20 Jan	ITA Airways
12 Jan - 25 Jan	ITA Airways
16 Jan - 23 Jan	ITA Airways
22 Jan - 26 Jan	KLM
30 Jan - 04 Feb	KLM
22 Jan - 24 Jan	SWISS
30 Jan - 08 Feb	Luxair
30 Jan - 01 Feb	Luxair
29 Jan - 01 Feb	ITA Airways
28 Jan - 11 Feb	KLM
28 Jan - 01 Feb	KLM
30 Jan - 03 Feb	Luxair
29 Jan - 02 Feb	Aer Lingus

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 $346

Return flights