AirHint found the following cheapest return flights from London (LCY) to Krakow (KRK) in September 2025 (see full year).

Return flights

30 Sep - 03 Oct	KLM
29 Sep - 02 Oct	KLM
26 Sep - 01 Oct	KLM
29 Sep - 03 Oct	KLM
26 Sep - 30 Sep	KLM
23 Sep - 30 Sep	KLM
17 Sep - 24 Sep	SWISS
16 Sep - 24 Sep	SWISS
19 Sep - 24 Sep	SWISS
24 Sep - 29 Sep	SWISS
19 Sep - 28 Sep	SWISS
19 Sep - 23 Sep	SWISS
19 Sep - 29 Sep	SWISS
17 Sep - 30 Sep	SWISS
30 Sep - 19 Oct	SWISS
28 Sep - 09 Oct	KLM
03 Sep - 02 Oct	SWISS
28 Sep - 01 Oct	KLM
28 Sep - 02 Oct	KLM
29 Sep - 05 Oct	Lufthansa

Also check the deals for one-way flights from London to Krakow in September.

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 Krakow in September from $236

Return flights