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

Return flights

01 Jul - 15 Jul	Air India
01 Jul - 14 Jul	Air India
01 Jul - 29 Jul	Air India
02 Jul - 09 Jul	Air India
01 Jul - 17 Jul	Air India
01 Jul - 31 Jul	Air India
17 Jul - 05 Aug	Aegean Airlines
17 Jul - 07 Aug	Aegean Airlines
15 Jul - 05 Aug	Eurowings
15 Jul - 20 Aug	Eurowings
15 Jul - 16 Aug	Eurowings
22 Jul - 07 Aug	Aegean Airlines
15 Jul - 19 Aug	Eurowings
17 Jul - 18 Aug	Aegean Airlines
17 Jul - 19 Aug	Aegean Airlines
22 Jul - 02 Aug	Eurowings
08 Jul - 29 Jul	Austrian Airlines
04 Jul - 25 Jul	Turkish Airlines
09 Jul - 23 Jul	Etihad Airways
03 Jul - 24 Jul	Lufthansa

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 644€

Return flights