AirHint found the following cheapest return flights from Montreal (YUL) to Colombo (CMB) in December 2025 (see full year).

Return flights

03 Dec - 10 Dec	Qatar Airways
01 Dec - 08 Dec	Qatar Airways
04 Dec - 11 Dec	Air Canada
10 Dec - 17 Dec	Air Canada
09 Dec - 16 Dec	Air Canada
07 Dec - 14 Dec	Air Canada
11 Dec - 18 Dec	Air Canada
05 Dec - 12 Dec	Qatar Airways
12 Dec - 19 Dec	Air Canada
17 Dec - 24 Dec	Air Canada
15 Dec - 12 Jan	Air Canada
23 Dec - 14 Jan	Air Canada
30 Dec - 06 Jan	Air Canada
29 Dec - 05 Jan	Air Canada
31 Dec - 07 Jan	Air Canada
21 Dec - 08 Jan	Air Canada
21 Dec - 13 Jan	Air Canada
28 Dec - 04 Jan	Air Canada
27 Dec - 03 Jan	Air Canada
22 Dec - 08 Jan	Air Canada

Also check the deals for one-way flights from Montreal to Colombo in December.

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 Montreal to Colombo in December from 1158€

Return flights