AirHint found the following cheapest return flights from London (LCY) to Heraklion (HER) in May 2026 (see full year).

Return flights

21 May - 28 May	Lufthansa
19 May - 24 May	SWISS
22 May - 25 May	SWISS
08 May - 22 May	Lufthansa
28 May - 02 Jun	Lufthansa
27 May - 02 Jun	Lufthansa
29 May - 03 Jun	SWISS
22 May - 29 May	SWISS
22 May - 26 May	SWISS
28 May - 05 Jun	Lufthansa
14 May - 27 May	Lufthansa
21 May - 24 May	Lufthansa
13 May - 27 May	SWISS
26 May - 05 Jun	SWISS
30 May - 03 Jun	SWISS
31 May - 14 Jun	SWISS
22 May - 31 May	SWISS

Also check the deals for one-way flights from London to Heraklion in May.

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 Heraklion in May from $316

Return flights