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

Return flights

15 May - 07 Jun	Pegasus Airlines
06 May - 06 Jun	Ryanair
10 May - 19 May	Ryanair
06 May - 12 May	Ryanair
17 May - 06 Jun	Pegasus Airlines
09 May - 19 May	Ryanair
06 May - 10 May	Ryanair
09 May - 20 May	Ryanair
10 May - 18 May	Ryanair
09 May - 18 May	Ryanair
11 May - 14 Jun	Pegasus Airlines
14 May - 07 Jun	Pegasus Airlines
14 May - 15 Jun	Pegasus Airlines
09 May - 06 Jun	Pegasus Airlines
09 May - 21 May	Pegasus Airlines
14 May - 03 Jun	Pegasus Airlines
13 May - 13 Jun	Ryanair
12 May - 28 Jun	Ryanair
11 May - 18 May	Pegasus Airlines
07 May - 20 May	Ryanair

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 467€

Return flights