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

Return flights

27 Jan - 03 Feb	LOT
14 Jan - 29 Jan	KLM
05 Jan - 09 Jan	KLM
09 Jan - 12 Jan	KLM
20 Jan - 27 Jan	KLM
16 Jan - 20 Jan	KLM
11 Jan - 14 Jan	KLM
10 Jan - 12 Jan	KLM
02 Jan - 09 Jan	KLM
08 Jan - 12 Jan	KLM
05 Jan - 08 Jan	KLM
22 Jan - 02 Feb	KLM
21 Jan - 02 Feb	KLM
16 Jan - 06 Feb	KLM
27 Jan - 01 Feb	KLM
29 Jan - 02 Feb	KLM
29 Jan - 01 Feb	KLM
23 Jan - 02 Feb	KLM
30 Jan - 03 Feb	KLM
28 Jan - 01 Feb	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.

Book a cheap hotel in Warsaw

Cheap car rent in Warsaw

Cheapest return flights from London to Warsaw in January from $229

Return flights