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

Return flights

07 Jul - 14 Jul	KLM
30 Jul - 02 Aug	KLM
23 Jul - 26 Jul	KLM
08 Jul - 15 Jul	KLM
01 Jul - 12 Jul	SWISS
01 Jul - 08 Jul	SWISS
29 Jul - 02 Aug	KLM
02 Jul - 08 Jul	SWISS
03 Jul - 05 Jul	KLM
03 Jul - 06 Jul	Lufthansa
01 Jul - 05 Jul	KLM
16 Jul - 18 Jul	KLM
31 Jul - 03 Aug	KLM
31 Jul - 02 Aug	KLM
31 Jul - 04 Aug	Lufthansa
19 Jul - 02 Aug	Luxair
24 Jul - 08 Aug	KLM
27 Jul - 08 Aug	KLM

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

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 July from 217€

Return flights