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

Return flights

31 May - 14 Jun	Air India
07 May - 30 May	Ryanair
06 May - 21 May	Ryanair
01 May - 30 Jun	Gulf Air
20 May - 30 Jun	Gulf Air
07 May - 21 May	Qatar Airways
11 May - 26 May	Qatar Airways
18 May - 01 Jun	Qatar Airways
06 May - 23 May	Gulf Air
21 May - 10 Jun	Qatar Airways
08 May - 11 May	Gulf Air
01 May - 04 May	Gulf Air
01 May - 11 May	Gulf Air
11 May - 17 May	Qatar Airways
01 May - 16 May	Gulf Air
26 May - 10 Jun	British Airways
30 May - 22 Jun	Gulf Air
21 May - 07 Jun	Qatar Airways
21 May - 05 Jun	Qatar Airways
21 May - 21 Jun	British Airways

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

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 May from $590

Return flights