AirHint found the following cheapest return flights from Porto (OPO) to Montreal (YUL)
in August 2025 (see full year ).
Return flights
26 Aug
- 06 Sep
Air Canada
379 €
direct
26 Aug
- 09 Sep
Air Canada
405 €
27 Aug
- 17 Sep
Lufthansa
421 €
12 Aug
- 19 Aug
Air Transat
450 €
direct
19 Aug
- 10 Sep
Air Canada
452 €
direct
12 Aug
- 26 Aug
Air Transat
460 €
direct
12 Aug
- 30 Aug
Air Canada
465 €
direct
14 Aug
- 30 Aug
Air Canada
465 €
direct
12 Aug
- 27 Aug
Air Canada
465 €
direct
19 Aug
- 30 Aug
Air Canada
465 €
direct
14 Aug
- 01 Sep
Air Canada
465 €
direct
11 Aug
- 26 Aug
Air Transat
521 €
17 Aug
- 30 Aug
Air Canada
525 €
direct
24 Aug
- 09 Sep
Austrian Airlines
527 €
26 Aug
- 09 Sep
Air Transat
565 €
direct
01 Aug
- 07 Aug
Air Transat
625 €
direct
24 Aug
- 09 Sep
Air Transat
655 €
direct
01 Aug
- 14 Aug
Air Transat
685 €
direct
Also check the deals for one-way flights from Porto to Montreal 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.