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

Return flights

28 Sep - 05 Oct	LOT
19 Sep - 26 Sep	LOT
02 Sep - 12 Sep	Air Dolomiti
02 Sep - 11 Sep	Air Dolomiti
25 Sep - 02 Oct	LOT
16 Sep - 18 Sep	SWISS
14 Sep - 19 Sep	LOT
15 Sep - 05 Oct	Lufthansa
05 Sep - 11 Sep	LOT
09 Sep - 13 Sep	Lufthansa
16 Sep - 30 Sep	Air Dolomiti
22 Sep - 24 Sep	Lufthansa
11 Sep - 15 Sep	LOT
14 Sep - 05 Oct	KLM
27 Sep - 13 Oct	ITA Airways
22 Sep - 11 Oct	SWISS

Also check the deals for one-way flights from London to Rzeszow 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 Rzeszow in September from 339€

Return flights