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

Return flights

27 Sep - 08 Oct	British Airways	direct
27 Sep - 04 Oct	British Airways
29 Sep - 14 Oct	KLM
29 Sep - 20 Oct	KLM
16 Sep - 07 Oct	Lufthansa
17 Sep - 01 Oct	Lufthansa
23 Sep - 16 Oct	KLM
17 Sep - 30 Sep	Lufthansa
21 Sep - 30 Sep	Lufthansa
15 Sep - 19 Sep	Lufthansa
17 Sep - 20 Sep	Lufthansa
15 Sep - 16 Sep	Lufthansa
27 Sep - 28 Sep	British Airways
20 Sep - 30 Sep	Lufthansa
20 Sep - 22 Sep	KLM
15 Sep - 20 Sep	Lufthansa
27 Sep - 30 Sep	Lufthansa
30 Sep - 01 Oct	Lufthansa
29 Sep - 03 Oct	KLM
10 Sep - 09 Oct	Aer Lingus

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 168€

Return flights