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$403+ Cheap flights from London, ON (YXU) to Portland (PDX)

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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — PDX
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from London to Portland

Discover tips and strategies to find the most affordable flight options for your journey from London (YXU) to Portland (PDX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$604
(United Airlines)

One-way from

$403
(WestJet)
From London to Portland
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One-way flight from London to Portland
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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 September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/225:40 pmYXU - PDX
2 stops32h 04mUnited Airlines
Thu 2/2611:55 pmPDX - YXU
2 stops18h 26mUnited Airlines
Deal found 9/9$604
This Air Canada deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/225:40 pmYXU - PDX
2 stops31h 28mAir Canada
Thu 2/2611:55 pmPDX - YXU
2 stops18h 26mAir Canada
Deal found 9/8$607
This WestJet deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/228:00 pmYXU - PDX
2 stops23h 51mWestJet
Wed 2/2512:55 amPDX - YXU
2 stops26h 40mWestJet
Deal found 9/10$721

Cheapflights Fare Finder

 
Customize your flight search to find flights from London to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from London to Portland that are best for you.

Fly from

London

Fly to

Portland

Route

Depart

Return

Price

LondonPortland

YXU - PDX

YXUPDX

London

Sun 2/22

5:40 pm-10:44 pm

2 stops32h 04m

Portland

Thu 2/26

11:55 pm-9:21 pm

2 stops18h 26m

$604

LondonPortland

YXU - PDX

YXUPDX

London

Sun 2/22

5:40 pm-10:08 pm

2 stops31h 28m

Portland

Thu 2/26

11:55 pm-9:21 pm

2 stops18h 26m

$607

LondonPortland

YXU - PDX

YXUPDX

London

Sun 2/22

8:00 pm-4:51 pm

2 stops23h 51m

Portland

Wed 2/25

12:55 am-6:35 am

2 stops26h 40m

$721

LondonPortland

YXU - PDX

YXUPDX

London

Sun 10/26

8:00 pm-5:27 pm

2 stops48h 27m

$403

LondonPortland

YXU - PDX

YXUPDX

London

Sun 10/26

5:45 am-6:36 pm

3 stops15h 51m

$1,412

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

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, November is the cheapest month in which you can book a flight from London, Ontario to Portland (average of $277). Flying from London, Ontario to Portland in March is currently the most expensive (average of $368). 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

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?

    For as low as $607, United Airlines can have you in Portland from London, Ontario in 31h 28m. The distance between London, Ontario and Portland is about 2032 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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, November is the cheapest month in which you can book a flight from London, Ontario to Portland (average of $277). Flying from London, Ontario to Portland in March is currently the most expensive (average of $368). 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.

See more FAQs

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Vancouver
Seaside
Beaverton
Clackamas
McMinnville
Lake Oswego
Hillsboro
Cannon Beach
Long Beach
Longview
Lincoln City
Tigard
Depoe Bay
Stevenson
Wilsonville
Pacific City
Troutdale
Tillamook
Gresham
Silverton

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