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

Return flights

10 Jul - 15 Jul	Air India
07 Jul - 22 Jul	British Airways
06 Jul - 17 Jul	British Airways
06 Jul - 17 Jul	SriLankan Airlines	direct
07 Jul - 22 Jul	SriLankan Airlines	direct
10 Jul - 15 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 727€

Return flights