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

Return flights

05 May - 12 May	United
04 May - 11 May	Qatar Airways
12 May - 19 May	Qatar Airways
11 May - 18 May	Qatar Airways
26 May - 02 Jun	Air Canada
28 May - 04 Jun	Air Canada
18 May - 25 May	Qatar Airways
19 May - 26 May	Qatar Airways
25 May - 01 Jun	Qatar Airways
08 May - 15 May	Qatar Airways
10 May - 17 May	Qatar Airways
01 May - 08 May	Qatar Airways
03 May - 10 May	Qatar Airways
30 May - 06 Jun	Air Canada
31 May - 07 Jun	Air Canada
27 May - 03 Jun	Air Canada
29 May - 05 Jun	Air Canada

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

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 May from $907

Return flights