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

Return flights

09 Jul - 14 Jul	AJet
09 Jul - 18 Jul	AJet
09 Jul - 23 Jul	AJet
09 Jul - 19 Jul	AJet
09 Jul - 20 Jul	AJet
10 Jul - 24 Jul	AJet
10 Jul - 21 Jul	AJet
10 Jul - 17 Jul	AJet
10 Jul - 15 Jul	AJet
10 Jul - 23 Jul	AJet
10 Jul - 03 Aug	AJet
08 Jul - 03 Aug	AJet
11 Jul - 03 Aug	AJet
31 Jul - 04 Aug	AJet
12 Jul - 03 Aug	AJet
08 Jul - 09 Aug	AJet
10 Jul - 12 Aug	AJet
10 Jul - 10 Aug	AJet
29 Jul - 03 Aug	Ryanair
07 Jul - 04 Aug	Pegasus Airlines

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 $533

Return flights