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

Return flights

04 May - 11 May	Qatar Airways
12 May - 19 May	Qatar Airways
11 May - 18 May	Qatar Airways
01 May - 15 May	Porter Airlines (Canada) Ltd
28 May - 04 Jun	Air France
20 May - 10 Jun	Air France
25 May - 10 Jun	Air France
13 May - 20 May	Air France
10 May - 17 May	Qatar Airways
03 May - 10 May	Qatar Airways
06 May - 24 May	Qatar Airways
27 May - 03 Jun	Air France
12 May - 30 May	Qatar Airways
25 May - 01 Jun	Air France
14 May - 21 May	Air France
30 May - 06 Jun	Air France
31 May - 07 Jun	Air France
28 May - 19 Jun	Air Canada
29 May - 05 Jun	Air Canada

Also check the deals for one-way flights from Montreal to Hanoi 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 Hanoi in May from 904€

Return flights