AirHint found the following cheapest return flights from London (STN) to Colombo (CMB) in July 2025 (see full year).

Return flights

08 Jul - 20 Jul	Ryanair
19 Jul - 29 Jul	Ryanair
02 Jul - 25 Jul	Ryanair
02 Jul - 16 Jul	Ryanair
19 Jul - 28 Jul	Ryanair
02 Jul - 20 Jul	Ryanair
02 Jul - 05 Jul	Ryanair
07 Jul - 17 Jul	Ryanair
02 Jul - 22 Jul	Ryanair
01 Jul - 14 Jul	Ryanair
07 Jul - 01 Aug	Ryanair
20 Jul - 02 Aug	Ryanair
06 Jul - 07 Aug	Ryanair
02 Jul - 03 Aug	Ryanair
17 Jul - 01 Aug	Ryanair
31 Jul - 07 Aug	Ryanair
06 Jul - 10 Aug	Ryanair
18 Jul - 08 Aug	Ryanair
16 Jul - 21 Aug	Ryanair
09 Jul - 06 Aug	Ryanair

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

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 July from $688

Return flights