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

Return flights

27 Apr - 11 May	Air India
30 Apr - 18 May	Air India
13 Apr - 03 May	Air India
30 Apr - 17 May	Air India
29 Apr - 17 May	Air India
23 Apr - 03 May	Air India
27 Apr - 05 May	Air India
28 Apr - 12 May	Air India
29 Apr - 12 May	Air India
18 Apr - 13 May	Air India
13 Apr - 20 Apr	Gulf Air
13 Apr - 27 Apr	Gulf Air
14 Apr - 21 Apr	Gulf Air
16 Apr - 30 Apr	Gulf Air
16 Apr - 26 Apr	Gulf Air
15 Apr - 30 Apr	Gulf Air
15 Apr - 25 Apr	SWISS
19 Apr - 28 Apr	Gulf Air
14 Apr - 28 Apr	Gulf Air
09 Apr - 30 Apr	Qatar Airways

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 440€

Return flights