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

Return flights

31 Oct - 18 Nov	Lufthansa
28 Oct - 06 Nov	KLM
28 Oct - 07 Nov	KLM
30 Oct - 11 Nov	KLM
31 Oct - 11 Nov	KLM
29 Oct - 07 Nov	KLM
29 Oct - 08 Nov	KLM
30 Oct - 03 Nov	KLM
31 Oct - 03 Nov	KLM
28 Oct - 05 Nov	KLM
28 Oct - 31 Oct	KLM
27 Oct - 31 Oct	KLM
27 Oct - 30 Oct	KLM
29 Oct - 31 Oct	Lufthansa
26 Oct - 30 Oct	SWISS
26 Oct - 31 Oct	SWISS
28 Oct - 29 Oct	SWISS
24 Oct - 31 Oct	SWISS
23 Oct - 29 Oct	Lufthansa
24 Oct - 29 Oct	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 260€

Return flights