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

Return flights

16 Jul - 30 Jul	SWISS
16 Jul - 23 Jul	SWISS
01 Jul - 10 Jul	ITA Airways
01 Jul - 14 Jul	Lufthansa
01 Jul - 22 Jul	Lufthansa
02 Jul - 23 Jul	SWISS
03 Jul - 21 Jul	Lufthansa
02 Jul - 21 Jul	Lufthansa
02 Jul - 22 Jul	Lufthansa
15 Jul - 29 Jul	Air Dolomiti
16 Jul - 10 Aug	SWISS
29 Jul - 05 Aug	SWISS
30 Jul - 18 Aug	SWISS
21 Jul - 11 Aug	SWISS
22 Jul - 11 Aug	SWISS
28 Jul - 18 Aug	SWISS
22 Jul - 04 Aug	Lufthansa
21 Jul - 18 Aug	SWISS
23 Jul - 06 Aug	SWISS
22 Jul - 12 Aug	SWISS

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 823€

Return flights