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

Return flights

24 Jul - 10 Aug	Air India
30 Jul - 23 Aug	Air India
17 Jul - 26 Jul	Kuwait Airways
17 Jul - 28 Jul	Emirates
22 Jul - 30 Jul	Emirates
30 Jul - 23 Aug	SriLankan Airlines	direct
17 Jul - 28 Jul	SriLankan Airlines	direct
22 Jul - 30 Jul	SriLankan Airlines	direct
17 Jul - 26 Jul	SriLankan Airlines	direct

Also check the deals for one-way flights from Colombo to London 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 Colombo to London in July from $742

Return flights