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

Return flights

02 Jun - 10 Jun	Air India
04 Jun - 14 Jun	Air India
01 Jun - 14 Jun	Air India
22 Jun - 29 Jun	Air India
01 Jun - 30 Jun	Air India
11 Jun - 30 Jun	Air India
02 Jun - 24 Jun	Air India
01 Jun - 07 Jun	Air India
01 Jun - 08 Jun	Air India
11 Jun - 18 Jun	Air India
22 Jun - 20 Jul	Gulf Air
22 Jun - 05 Jul	Air India
08 Jun - 08 Jul	Air India
15 Jun - 14 Jul	Air India
18 Jun - 07 Jul	Air India
22 Jun - 13 Jul	Air India
24 Jun - 08 Jul	Air India
16 Jun - 14 Jul	Air India
18 Jun - 09 Jul	Air India
17 Jun - 16 Jul	Air India

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

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 June from $715

Return flights