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

Return flights

12 Jul - 26 Aug	FitsAir
16 Jul - 24 Jul	Air India
20 Jul - 24 Jul	Air India
21 Jul - 30 Jul	Air India
20 Jul - 30 Jul	Air India
11 Jul - 26 Aug	Etihad Airways
13 Jul - 19 Aug	Air India
24 Jul - 07 Aug	Air India
14 Jul - 21 Jul	Air India
16 Jul - 29 Jul	Air India
15 Jul - 29 Jul	Air India
17 Jul - 29 Jul	Air India
17 Jul - 31 Jul	Air India
09 Jul - 22 Jul	Air India
13 Jul - 13 Aug	Air India
14 Jul - 25 Aug	Air India
09 Jul - 26 Aug	Air India
10 Jul - 18 Aug	Air India
08 Jul - 25 Aug	Air India
10 Jul - 25 Aug	Air India

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

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Colombo to London in July from 533€

Return flights