AirHint found the following cheapest return flights from London (LHR) to Krakow (KRK) in September 2026 (see full year).

Return flights

18 Sep - 25 Sep	British Airways	direct
06 Sep - 11 Sep	British Airways	direct
04 Sep - 10 Sep	British Airways	direct
10 Sep - 14 Sep	KLM
22 Sep - 25 Sep	KLM
22 Sep - 25 Sep	British Airways	direct
09 Sep - 15 Sep	Lufthansa
04 Sep - 06 Sep	SWISS
05 Sep - 20 Sep	Lufthansa
14 Sep - 18 Sep	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 $184

Return flights