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

Return flights

07 Apr - 29 Apr	Air India
22 Apr - 06 May	Air India
23 Apr - 12 May	Air India
09 Apr - 04 May	Air India
30 Apr - 11 May	Air India
30 Apr - 27 May	Air India
07 Apr - 28 Apr	Air India
13 Apr - 13 May	Air India
29 Apr - 27 May	Air India
28 Apr - 13 May	Air India
15 Apr - 05 May	Air India
28 Apr - 20 May	Air India
09 Apr - 28 Apr	Air India
09 Apr - 29 Apr	Air India
15 Apr - 29 Apr	Air India
12 Apr - 28 Apr	Air India
08 Apr - 30 Apr	Air India
17 Apr - 29 Apr	Air India
19 Apr - 29 Apr	Air India
07 Apr - 27 Apr	IndiGo

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

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 Colombo

Cheap car rent in Colombo

Cheapest return flights from London to Colombo in April from $708

Return flights