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

Return flights

25 Oct - 31 Oct	KLM
25 Oct - 30 Oct	KLM
10 Oct - 15 Oct	KLM
11 Oct - 16 Oct	KLM
21 Oct - 28 Oct	KLM
13 Oct - 16 Oct	KLM
15 Oct - 28 Oct	KLM
10 Oct - 17 Oct	KLM
27 Oct - 31 Oct	KLM
27 Oct - 30 Oct	KLM
31 Oct - 05 Nov	KLM
31 Oct - 04 Nov	KLM
25 Oct - 01 Nov	KLM
27 Oct - 01 Nov	KLM
31 Oct - 07 Nov	KLM
02 Oct - 03 Nov	KLM
20 Oct - 04 Nov	KLM
27 Oct - 03 Nov	KLM
31 Oct - 03 Nov	KLM
29 Oct - 03 Nov	KLM

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 201€

Return flights