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

Return flights

05 Aug - 11 Aug	Air India
01 Aug - 20 Aug	Air India
01 Aug - 26 Aug	Air India
05 Aug - 08 Aug	Air India
19 Aug - 01 Sep	Air India
05 Aug - 07 Aug	Air India
28 Aug - 01 Sep	Etihad Airways
19 Aug - 01 Sep	SriLankan Airlines	direct
01 Aug - 20 Aug	SriLankan Airlines	direct
05 Aug - 11 Aug	SriLankan Airlines	direct
28 Aug - 01 Sep	SriLankan Airlines	direct
05 Aug - 07 Aug	SriLankan Airlines	direct
05 Aug - 08 Aug	SriLankan Airlines	direct

Also check the deals for one-way flights from Colombo to London in August.

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 Colombo to London in August from $727

Return flights