AirHint found the following cheapest return flights from Montreal (YUL) to Singapore (SIN) in August 2026 (see full year).

Return flights

24 Aug - 31 Aug	United
25 Aug - 01 Sep	United
31 Aug - 07 Sep	United
30 Aug - 06 Sep	United
20 Aug - 27 Aug	United
26 Aug - 02 Sep	United
23 Aug - 30 Aug	United
29 Aug - 05 Sep	United
18 Aug - 25 Aug	Air Canada
27 Aug - 03 Sep	Air Canada
19 Aug - 26 Aug	Air Canada
17 Aug - 24 Aug	Air Canada
04 Aug - 11 Aug	Air Canada
28 Aug - 04 Sep	Air Canada
21 Aug - 28 Aug	Air Canada
22 Aug - 29 Aug	Air Canada
15 Aug - 22 Aug	Air Canada

Also check the deals for one-way flights from Montreal to Singapore in August.

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 Montreal to Singapore in August from $890

Return flights