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

Return flights

15 May - 19 May	AJet
15 May - 13 Jun	AJet
01 May - 30 Jun	AJet
09 May - 09 Jun	AJet
11 May - 08 Jun	Ryanair
08 May - 19 May	AJet
08 May - 18 May	AJet
12 May - 19 May	Wizz Air UK
08 May - 15 May	AJet
09 May - 15 May	AJet
11 May - 19 May	Ryanair
01 May - 10 Jun	AJet
08 May - 16 May	AJet
08 May - 17 May	AJet
08 May - 20 May	AJet
12 May - 15 Jun	Ryanair
16 May - 09 Jun	Wizz Air UK
13 May - 10 Jun	Ryanair
16 May - 05 Jun	Wizz Air UK
15 May - 06 Jun	AJet

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 429€

Return flights