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

Return flights

23 Sep - 30 Sep	Lufthansa
29 Sep - 02 Oct	British Airways	direct
08 Sep - 15 Sep	Brussels Airlines
25 Sep - 29 Sep	Austrian Airlines
15 Sep - 20 Sep	Lufthansa
27 Sep - 08 Oct	Lufthansa
15 Sep - 22 Sep	KLM
07 Sep - 17 Sep	KLM
03 Sep - 10 Sep	KLM
09 Sep - 12 Sep	KLM
27 Sep - 30 Sep	KLM
06 Sep - 12 Sep	KLM
20 Sep - 04 Oct	KLM
28 Sep - 01 Oct	KLM
07 Sep - 11 Oct	KLM
27 Sep - 04 Oct	KLM
26 Sep - 01 Oct	KLM
30 Sep - 02 Oct	Lufthansa
24 Sep - 05 Oct	Brussels Airlines
26 Sep - 03 Oct	British Airways	direct

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 $196

Return flights