Question 1

What are the cheapest airlines flying from London, Ontario to Portland round-trip?

Accepted Answer

Our cheapest airline available from London, Ontario to Portland is Air Canada. Our recent data shows that you can find tickets from as low as C$ 516 on this airline. An additional option worth looking into is United Airlines, starting at C$ 577.

Question 2

What is the cheapest month to book a flight from London, Ontario to Portland?

Accepted Answer

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$ 418). 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.

Question 3

What is the cheapest day to fly from London, Ontario to Portland?

Accepted Answer

Travelers seeking maximum savings on their London, Ontario to Portland flight should consider departing on Saturday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 4

E

Accepted Answer

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.

Question 5

E

Accepted Answer

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).

Question 6

What is the cheapest day to fly round-trip from London, Ontario to Portland?

Accepted Answer

Users have found that leaving on a Friday can be a cost-effective option. It’s possible to save up to 52% on your flight compared to booking on days when demand is much higher.

Question 7

What is the cheapest time of day to fly from YXU to PDX?

Accepted Answer

A simple way to save on the total cost of your ticket is to fly from London, Ontario to Portland in the morning. If you’re flexible enough to do this you can expect to save up to 19% on your trip compared to booking a flight at noon.

Question 8

Can I find deals for flights from London to Portland that include hotel bookings?

Accepted Answer

Yes. In addition to deals on London to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

Question 9

How can I find direct flights from London to Portland?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Portland.

Question 10

Can I find deals for business class flights from London to Portland?

Accepted Answer

Yes. Cheapflights offers flight deals from London to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 11

How does Cheapflights help users find flights from London to Portland?

Accepted Answer

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.

Question 12

Why should you use Cheapflights to find cheap flight tickets from London to Portland?

Accepted Answer

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.

Question 13

Can Cheapflights find flights from London to Portland with no change fees?

Accepted Answer

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.

Question 14

Can Cheapflights notify me if prices for flights from London to Portland become cheaper?

Accepted Answer

Of course! You can now track prices for flights from London to Portland and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

Cheap flights from London, ON to Portland from C$ 516

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Portland

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Cheapest flights from London to PortlandExplore the most affordable flight options available from London to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 julio 2025.

Explore the most affordable flight options available from London to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 julio 2025.

Cheapflights Fare Finder

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Best time to book a flight from London to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from London with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from London to Portland

What is the cheapest month to book a flight from London, Ontario to Portland?

Reviews of airlines servicing Portland

Check out reviews from past customers who have flown with United Airlines and Air Canada from London to Portland to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from London to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from London, Ontario to Portland round-trip?

Can I find deals for flights from London to Portland that include hotel bookings?

How can I find direct flights from London to Portland?

Can I find deals for business class flights from London to Portland?

What is the cheapest month to book a flight from London, Ontario to Portland?

Travelling to a place near Portland?

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Alternative routes for London to Portland

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Portland?

Why should you use Cheapflights to find cheap flight tickets from London to Portland?

Can Cheapflights find flights from London to Portland with no change fees?

Can Cheapflights notify me if prices for flights from London to Portland become cheaper?

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Cheapest flights from London to Portland
Explore the most affordable flight options available from London to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 julio 2025.