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

Return flights

31 Aug - 30 Sep	TAP
04 Aug - 11 Aug	Air Canada	direct
11 Aug - 18 Aug	Air Canada	direct
18 Aug - 25 Aug	Air Canada	direct
03 Aug - 10 Aug	Air Transat	direct
24 Aug - 31 Aug	Air Transat	direct
05 Aug - 12 Aug	Air Canada
12 Aug - 19 Aug	Air Canada
19 Aug - 26 Aug	Air Canada
26 Aug - 02 Sep	Air Canada
25 Aug - 01 Sep	Air Canada	direct
13 Aug - 27 Aug	TAP
13 Aug - 20 Aug	TAP
27 Aug - 03 Sep	Air Canada
28 Aug - 04 Sep	Air Canada	direct
30 Aug - 06 Sep	Air Canada
31 Aug - 30 Sep	Air Canada	direct
29 Aug - 05 Sep	Air Canada

Also check the deals for one-way flights from Montreal to Madrid 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 Madrid in August from 581€

Return flights