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

Return flights

01 Apr - 22 Apr	KLM
07 Apr - 28 Apr	KLM
08 Apr - 29 Apr	KLM
01 Apr - 15 Apr	KLM
08 Apr - 14 Apr	KLM
07 Apr - 15 Apr	KLM
14 Apr - 30 Apr	KLM
14 Apr - 27 Apr	KLM
15 Apr - 19 Apr	KLM
15 Apr - 23 Apr	KLM
15 Apr - 06 May	KLM
14 Apr - 05 May	KLM
07 Apr - 02 May	KLM
17 Apr - 06 May	KLM
29 Apr - 14 May	KLM
14 Apr - 12 May	KLM
15 Apr - 09 May	KLM
21 Apr - 14 May	KLM
23 Apr - 09 May	KLM
22 Apr - 02 May	KLM

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

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 April from 202€

Return flights