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

Return flights

02 Jul - 16 Jul	KLM
06 Jul - 21 Jul	SWISS
01 Jul - 12 Jul	British Airways
31 Jul - 10 Aug	SWISS
23 Jul - 30 Jul	SWISS
08 Jul - 05 Aug	Aer Lingus
14 Jul - 25 Aug	SWISS
20 Jul - 02 Aug	SWISS
19 Jul - 19 Aug	SWISS
15 Jul - 06 Aug	Lufthansa
14 Jul - 04 Aug	Lufthansa
16 Jul - 31 Jul	Lufthansa
03 Jul - 17 Jul	Lufthansa
06 Jul - 12 Jul	British Airways
14 Jul - 31 Jul	Lufthansa
26 Jul - 09 Aug	Air Dolomiti
25 Jul - 11 Aug	SWISS
27 Jul - 06 Aug	Aer Lingus
06 Jul - 20 Jul	British Airways
13 Jul - 26 Jul	British Airways

Also check the deals for one-way flights from London to Colombo 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 Colombo in July from 1223€

Return flights