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

Return flights

30 Jul - 30 Aug	SWISS
23 Jul - 18 Aug	SWISS
01 Jul - 27 Jul	British Airways
23 Jul - 17 Aug	SWISS
29 Jul - 12 Aug	SWISS
09 Jul - 15 Jul	SWISS
24 Jul - 30 Jul	SWISS
28 Jul - 20 Aug	SWISS
06 Jul - 27 Jul	British Airways
01 Jul - 05 Jul	KLM
29 Jul - 17 Aug	Air Dolomiti
06 Jul - 03 Aug	Air Dolomiti
06 Jul - 13 Jul	British Airways
06 Jul - 20 Jul	British Airways
27 Jul - 19 Aug	SWISS
22 Jul - 13 Aug	Air Dolomiti
17 Jul - 31 Jul	SWISS
27 Jul - 11 Aug	Air Dolomiti
03 Jul - 21 Jul	KLM
07 Jul - 21 Jul	KLM

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 $1423

Return flights