AirHint found the following cheapest return flights from Montreal (YUL) to Hanoi (HAN) in September 2026 (see full year).

Return flights

29 Sep - 06 Oct	Air Canada
15 Sep - 22 Sep	Air Canada
22 Sep - 29 Sep	Air Canada
21 Sep - 28 Sep	Air Canada
23 Sep - 30 Sep	Air Canada
28 Sep - 05 Oct	Air Canada
30 Sep - 07 Oct	Air Canada
01 Sep - 08 Sep	Air Canada
08 Sep - 15 Sep	Air Canada
14 Sep - 21 Sep	Air Canada
07 Sep - 14 Sep	Air Canada
09 Sep - 16 Sep	Air Canada
02 Sep - 09 Sep	Air Canada
24 Sep - 01 Oct	Air Canada
26 Sep - 03 Oct	Air Canada
27 Sep - 04 Oct	Qatar Airways
25 Sep - 02 Oct	Air Canada
18 Sep - 10 Oct	Qatar Airways

Also check the deals for one-way flights from Montreal to Hanoi in September.

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 Hanoi in September from 857€

Return flights