AirHint found the following cheapest return flights from London (LCY) to Prague (PRG) in October 2025 (see full year).

Return flights

14 Oct - 30 Oct	KLM
15 Oct - 22 Oct	KLM
12 Oct - 16 Oct	KLM
28 Oct - 31 Oct	KLM
31 Oct - 04 Nov	KLM
06 Oct - 06 Nov	KLM
13 Oct - 16 Oct	KLM
11 Oct - 15 Oct	KLM
12 Oct - 15 Oct	KLM
01 Oct - 22 Oct	SWISS
07 Oct - 14 Oct	SWISS
15 Oct - 20 Oct	SWISS
30 Oct - 04 Nov	SWISS
31 Oct - 02 Nov	SWISS
30 Oct - 02 Nov	SWISS
06 Oct - 04 Nov	SWISS
27 Oct - 02 Nov	SWISS
25 Oct - 01 Nov	KLM
26 Oct - 08 Nov	SWISS

Also check the deals for one-way flights from London to Prague in October.

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 Prague in October from $255

Return flights