AirHint found the following cheapest return flights from London (LCY) to Prague (PRG) in January 2026 (see full year).

Return flights

30 Jan - 02 Feb	British Airways	direct
30 Jan - 01 Feb	British Airways	direct
23 Jan - 25 Jan	British Airways	direct
02 Jan - 05 Jan	British Airways	direct
10 Jan - 15 Jan	KLM
06 Jan - 20 Jan	KLM
24 Jan - 26 Jan	KLM
16 Jan - 19 Jan	KLM
17 Jan - 19 Jan	KLM
24 Jan - 27 Jan	KLM
29 Jan - 01 Feb	KLM
31 Jan - 02 Feb	KLM
22 Jan - 05 Feb	KLM
01 Jan - 04 Jan	British Airways	direct
23 Jan - 26 Jan	KLM

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

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 January from 160€

Return flights