AirHint found the following cheapest one-way flights from London (LHR) to Prague (PRG) in October 2025 (see full year).

One-Way flights

25 Oct	Vueling Airlines
14 Oct	British Airways	direct
12 Oct	British Airways	direct
15 Oct	British Airways	direct
08 Oct	British Airways	direct
09 Oct	British Airways	direct
16 Oct	British Airways	direct
11 Oct	British Airways	direct
13 Oct	British Airways	direct
05 Oct	British Airways	direct

Also check the deals for return 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 one-way flights from London to Prague in October from 75€

One-Way flights