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

Return flights

12 Mar - 19 Mar	Etihad Airways
09 Mar - 31 Mar	IndiGo
12 Mar - 12 Apr	Etihad Airways
13 Mar - 24 Apr	Etihad Airways
12 Mar - 14 Apr	Etihad Airways
18 Mar - 10 Apr	Etihad Airways
13 Mar - 13 Apr	Etihad Airways
19 Mar - 13 Apr	Etihad Airways
19 Mar - 26 Apr	Etihad Airways
27 Mar - 05 Apr	IndiGo
17 Mar - 30 Apr	Etihad Airways
14 Mar - 15 Mar	Etihad Airways
13 Mar - 17 Mar	Etihad Airways
30 Mar - 06 Apr	IndiGo
06 Mar - 13 Mar	IndiGo
10 Mar - 18 Mar	IndiGo
05 Mar - 12 Mar	IndiGo
06 Mar - 08 Mar	IndiGo
04 Mar - 18 Mar	IndiGo
04 Mar - 13 Mar	IndiGo

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

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 March from 550€

Return flights