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

Return flights

18 Aug - 25 Aug	ANA
27 Aug - 03 Sep	ANA
19 Aug - 26 Aug	ANA
25 Aug - 01 Sep	Air Canada
26 Aug - 02 Sep	Air Canada
24 Aug - 31 Aug	Air Canada
13 Aug - 20 Aug	ANA
20 Aug - 27 Aug	ANA
11 Aug - 18 Aug	ANA
04 Aug - 11 Aug	Air Canada
06 Aug - 13 Aug	Air Canada
05 Aug - 12 Aug	Air Canada
12 Aug - 19 Aug	Air Canada
28 Aug - 04 Sep	Air Canada
29 Aug - 05 Sep	Air Canada
30 Aug - 06 Sep	KLM

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 $1011

Return flights