One route, followed properly: Porto (OPO) to Montreal (YUL), return. What follows is the lowest fare our radar has picked up on it and the precise dates behind that number, rather than a headline price with the conditions left out.
We do not post a price and leave it to age. Each fare is re-checked against Skyscanner on a schedule and carries the time it was last confirmed. Not flying from Porto? We track 30 other departure cities for Montreal, listed at the foot of this page.
Porto → Montreal
for 11 Sep – 25 Sep 2026
✓ live-checked 23 hours ago
Check live price on Skyscanner →Price history 18 checks recorded for this route
lowest seen €381 · typical €390 · highest €406 · now €389
The cheapest Porto to Montreal return flight on the radar right now is €389, flying with TAP Air Portugal via one or more connections. It covers departures in September 2026, and every dated link below opens that exact OPO–YUL search on Skyscanner. Across 18 recorded checks it has ranged between €381 and €406. Our sampling points to September 2026 as the cheapest month to fly Porto to Montreal.
Porto to Montreal flights: common questions
How much is a flight from Porto to Montreal?
The lowest return fare we currently track from Porto (OPO) to Montreal (YUL) is €389. The typical price on this route is €390, so anything near €389 is worth booking quickly. Over 18 recorded checks we have seen it as low as €381 and as high as €406.
Which airline flies from Porto to Montreal at this price?
This €389 fare is with TAP Air Portugal, with at least one connection. The live search lists every carrier serving the route, so you can compare schedules before booking.
Is there a direct flight from Porto to Montreal?
This €389 fare includes at least one connection. If you need a non-stop Porto to Montreal flight, open the live search and apply the direct filter there.
When is the cheapest time to fly from Porto to Montreal?
Our price sampling points to September 2026 as the cheapest departure month on this route. The dated links on this page cover September 2026.
Is the €389 Porto to Montreal fare still available?
We last confirmed this €389 fare against live Skyscanner availability 23 hours ago. Deal fares move within days, so the Check live price button re-runs the exact search and shows today's number rather than a cached one.
How do I book this Porto to Montreal deal?
Pick a date pair above or press Check live price. That opens the exact OPO–YUL search on Skyscanner, where you book directly with the airline or agent. TravelFree does not sell tickets, adds no booking fee and does not mark the price up.
Every Porto to Montreal price on this page comes from a real bookable quote and is re-checked automatically. TravelFree takes no commission from you and never marks a fare up.
Cheap fares do not hang around. If this one has already gone, nudge the dates either way by a day or two; Porto to Montreal is usually still decent value around the same window.