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

Return flights

06 Apr - 06 May	Scandinavian Airlines
13 Apr - 25 Apr	Scandinavian Airlines
06 Apr - 30 Apr	Scandinavian Airlines
13 Apr - 24 Apr	Scandinavian Airlines
06 Apr - 23 Apr	Air India
09 Apr - 26 Apr	Air India
15 Apr - 27 Apr	Air India
09 Apr - 27 Apr	Air India
07 Apr - 28 Apr	Air India
09 Apr - 28 Apr	Air India
07 Apr - 23 Apr	Air India
30 Apr - 11 May	Air India
29 Apr - 11 May	Air India
30 Apr - 27 May	Air India
21 Apr - 19 May	Air India
30 Apr - 18 May	Air India
08 Apr - 06 May	Air India
20 Apr - 14 May	Air India
09 Apr - 06 May	Air India
23 Apr - 10 May	Air India

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

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 April from 553€

Return flights