How long is the flight from London, Ontario to Portland?

A quick flight from London, Ontario to Portland can take about 12h 05m. United Airlines provides one of the quickest options available for as low as C$ 953. The distance between London, Ontario and Portland is about 3270 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

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.

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).

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

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.

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

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.

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

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

How can I find direct flights from London to Portland?

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

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

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.

C$ 356+ Flights from London, ON to Portland

Cheap flight deals from London to Portland

Round-trip from	C$ 837
One-way from	C$ 356

United Airlines
22/2-26/2
4 total stops
50h 30m total
London to Portland

Search Deals

26/10
2 total stops
37h 17m total
London to Portland

Search Deals

Find flight deals from London to Portland

Best flights from London to Portland
Discover carefully curated flight deals from London to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 11 September 2025.

Sun 22/25:40 p.m.YXU - PDX

2 stops32h 04mUnited Airlines

Thu 26/211:55 p.m.PDX - YXU

2 stops18h 26mUnited Airlines

Deal found 9/9C$ 837

Sun 22/29:25 a.m.YXU - PDX

2 stops12h 05mAir Canada

Thu 26/27:00 p.m.PDX - YXU

2 stops10h 46mAir Canada

Deal found 10/9C$ 953

Sun 22/28:00 p.m.YXU - PDX

2 stops23h 51mWestJet

Wed 25/212:55 a.m.PDX - YXU

2 stops26h 40mWestJet

Deal found 10/9C$ 999

One-way flights from London to Portland
Search for one-way flight options from London to Portland. Find affordable one-way fares based on user searches. Data last updated 11 September 2025.

Sun 26/108:00 p.m.YXU - PDX

2 stops37h 17mMultiple Airlines

Deal found 11/9C$ 356

Sun 26/108:00 p.m.YXU - PDX

2 stops48h 27mWestJet

Deal found 11/9C$ 558

Sun 26/105:45 a.m.YXU - PDX

3 stops15h 51mUnited Airlines

Deal found 11/9C$ 1,957

Fly from

Fly to

Route

Depart

Return

Price

LondonPortland

YXU - PDX

YXUPDX

London

Sun 22/2

5:40 p.m.-10:44 p.m.

2 stops32h 04m

Portland

Thu 26/2

11:55 p.m.-9:21 p.m.

2 stops18h 26m

C$ 837

LondonPortland

YXU - PDX

YXUPDX

London

Sun 22/2

9:25 a.m.-6:30 p.m.

2 stops12h 05m

Portland

Thu 26/2

7:00 p.m.-8:46 a.m.

2 stops10h 46m

C$ 953

LondonPortland

YXU - PDX

YXUPDX

London

Sun 22/2

8:00 p.m.-4:51 p.m.

2 stops23h 51m

Portland

Wed 25/2

12:55 a.m.-6:35 a.m.

2 stops26h 40m

C$ 999

LondonPortland

YXU - PDX

YXUPDX

London

Sun 26/10

8:00 p.m.-8:37 p.m.

3 stops27h 37m

C$ 407

LondonPortland

YXU - PDX

YXUPDX

London

Sun 26/10

8:00 p.m.-5:27 p.m.

2 stops48h 27m

C$ 558

LondonPortland

YXU - PDX

YXUPDX

London

Sun 26/10

5:45 a.m.-6:36 p.m.

3 stops15h 51m

C$ 1,957

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

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.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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?

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$ 404). 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.

Related info for your journey

How long is the flight from London, Ontario to Portland?
A quick flight from London, Ontario to Portland can take about 12h 05m. United Airlines provides one of the quickest options available for as low as C$ 953. The distance between London, Ontario and Portland is about 3270 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
Can I find deals for flights from London to Portland that include hotel bookings?
Yes. In addition to deals on London to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from London to Portland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Portland.
Can I find deals for business class flights from London to Portland?
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.
What is the cheapest month to book a flight from London, Ontario to Portland?
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$ 404). 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.

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

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.

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

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.

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

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.

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

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.

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Cheap flights from London, ON to Portland from C$ 356

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Portland

Round-trip from

One-way from

Find flight deals from London to Portland

Best flights from London to PortlandDiscover carefully curated flight deals from London to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 11 September 2025.

Discover carefully curated flight deals from London to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 11 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from London to Portland that are best for you.

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?

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.

How long is the flight from London, Ontario to Portland?

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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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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Best flights from London to Portland
Discover carefully curated flight deals from London to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 11 September 2025.