Currently, August is the cheapest month in which you can book a flight from London, Ontario to Portland (average of C$ 259). Flying from London, Ontario to Portland in December is currently the most expensive (average of C$ 441). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
In terms of precipitation, rainfall in Portland ranges from 18.0 - 142.0 mm per month. November is typically the wettest month, when rainfall can reach 142.0 mm. July is typically the driest time to visit Portland when rainfall is around 18.0 mm.
If weather is an important factor for your trip to Portland, 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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).
Cheapflights helps you search for flights from London to Portland via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from London to Portland.
Yes, we can. To see specific flights from London to Portland with no change fees, users can toggle flexible booking options after using the search form above to find flights.
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