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

Return flights

16 Jun - 23 Jun	KLM
07 Jun - 11 Jun	KLM
09 Jun - 13 Jun	KLM
08 Jun - 11 Jun	KLM
16 Jun - 19 Jun	KLM
09 Jun - 12 Jun	KLM
10 Jun - 13 Jun	KLM
11 Jun - 13 Jun	KLM
02 Jun - 06 Jun	KLM
05 Jun - 10 Jun	KLM
27 Jun - 04 Jul	KLM
29 Jun - 05 Jul	Luxair
12 Jun - 05 Jul	KLM

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

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 June from 219€

Return flights