Air Transat flights from Montreal Pierre Elliott Trudeau Intl Airport to Lisbon (YUL - LIS)

Booking with Air Transat 76 days in advance of your planned departure date is, on average, the best time to get cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Lisbon. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Currently, the most affordable month to book a Air Transat flight from Montreal Pierre Elliott Trudeau Intl Airport to Lisbon in November, with an average price of C$ 577. Conversely, traveling with Air Transat from Montreal Pierre Elliott Trudeau Intl Airport to Lisbon in July will be the most expensive, with an average cost of C$ 910. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

In terms of precipitation, rainfall in Lisbon ranges from 6.0 - 122.0 mm per month. December is typically the wettest month, when rainfall can reach 122.0 mm. July is typically the driest time to visit Lisbon when rainfall is around 6.0 mm.

If weather is an important factor for your trip to Lisbon, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).