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$368+ Cheap flights from London, ON (YXU) to Portland (PDX)

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 5/22. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — PDX
févr. 28 — mars 71
sam. 2/28
sam. 3/7
1 adult, Economy
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Cheap flight deals from London to Portland

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 janvier 29, 2026.

This FlightHub deal was found by Cheapflights users on 1/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 5/225:55 pm
YXU
-
PDX
1 stop22h 55m
WestJet
mar. 5/262:30 pm
PDX
-
YXU
1 stop11h 55m
WestJet
Deal found 1/29$368
This oojo deal was found by Cheapflights users on 1/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 5/235:55 pm
YXU
-
PDX
1 stop22h 55m
WestJet
lun. 5/252:30 pm
PDX
-
YXU
1 stop11h 55m
WestJet
Deal found 1/29$410
This Kiwi.com deal was found by Cheapflights users on 1/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 5/225:55 pm
YXU
-
PDX
1 stop22h 55m
Multiple Airlines
lun. 5/2510:29 am
PDX
-
YXU
2 stops15h 56m
Multiple Airlines
Deal found 1/29$472
This Kiwi.com deal was found by Cheapflights users on 1/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 5/235:55 pm
YXU
-
PDX
1 stop22h 55m
Multiple Airlines
mar. 5/2612:00 pm
PDX
-
YXU
2 stops14h 25m
Multiple Airlines
Deal found 1/29$487
This Kiwi.com deal was found by Cheapflights users on 1/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 5/236:15 am
YXU
-
PDX
1 stop10h 35m
Multiple Airlines
dim. 5/245:00 am
PDX
-
YXU
2 stops21h 25m
Multiple Airlines
Deal found 1/29$501
This FlightHub deal was found by Cheapflights users on 1/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 5/225:55 pm
YXU
-
PDX
1 stop22h 55m
WestJet
lun. 5/252:30 pm
PDX
-
YXU
1 stop11h 55m
WestJet
Deal found 1/29$511
This Kiwi.com deal was found by Cheapflights users on 1/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 5/236:15 am
YXU
-
PDX
1 stop10h 35m
Multiple Airlines
lun. 5/2510:29 am
PDX
-
YXU
2 stops15h 56m
Multiple Airlines
Deal found 1/29$512
This Air Canada deal was found by Cheapflights users on 1/27. 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.
lun. 3/25:10 am
YXU
-
PDX
2 stops12h 30m
Air Canada
mer. 3/47:05 pm
PDX
-
YXU
2 stops10h 41m
Air Canada
Deal found 1/27$589
This Delta deal was found by Cheapflights users on 1/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 5/226:15 am
YXU
-
PDX
1 stop10h 35m
Delta
dim. 5/245:45 pm
PDX
-
YXU
2 stops8h 40m
Delta
Deal found 1/29$649

Find 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 janvier 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$368
(FlightHub)
Provider with most accurate pricing for London-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for London-Portland flights.
Search Deals
From London to Portland
Search Deals

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 janvier 29, 2026.
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

ven. 5/22

5:55 pm-1:50 pm

1 stop22h 55m

Portland

mar. 5/26

2:30 pm-5:25 am

1 stop11h 55m

$368

LondonPortland

YXU - PDX

YXUPDX

London

sam. 5/23

5:55 pm-1:50 pm

1 stop22h 55m

Portland

mar. 5/26

2:30 pm-5:25 am

1 stop11h 55m

$368

LondonPortland

YXU - PDX

YXUPDX

London

sam. 5/23

5:55 pm-1:50 pm

1 stop22h 55m

Portland

lun. 5/25

2:30 pm-5:25 am

1 stop11h 55m

$410

LondonPortland

YXU - PDX

YXUPDX

London

sam. 5/23

5:55 pm-1:50 pm

1 stop22h 55m

Portland

mar. 5/26

12:00 pm-5:25 am

2 stops14h 25m

$487

LondonPortland

YXU - PDX

YXUPDX

London

sam. 5/23

6:15 am-1:50 pm

1 stop10h 35m

Portland

dim. 5/24

5:00 am-5:25 am

2 stops21h 25m

$501

LondonPortland

YXU - PDX

YXUPDX

London

ven. 5/22

5:55 pm-1:50 pm

1 stop22h 55m

Portland

lun. 5/25

2:30 pm-5:25 am

1 stop11h 55m

$511

LondonPortland

YXU - PDX

YXUPDX

London

ven. 5/22

5:55 pm-1:50 pm

1 stop22h 55m

Portland

dim. 5/24

2:30 pm-5:25 am

1 stop11h 55m

$511

LondonPortland

YXU - PDX

YXUPDX

London

sam. 5/23

6:15 am-1:50 pm

1 stop10h 35m

Portland

lun. 5/25

10:29 am-5:25 am

2 stops15h 56m

$512

LondonPortland

YXU - PDX

YXUPDX

London

lun. 3/2

5:10 am-2:40 pm

2 stops12h 30m

Portland

mer. 3/4

7:05 pm-8:46 am

2 stops10h 41m

$589

LondonPortland

YXU - PDX

YXUPDX

London

ven. 5/22

6:15 am-1:50 pm

1 stop10h 35m

Portland

dim. 5/24

5:45 pm-5:25 am

2 stops8h 40m

$649

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

  • Most accurate provider: When it comes to deals on London, Ontario-Portland flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London, Ontario-Portland flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London, Ontario-Portland flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London, Ontario-Portland flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London, Ontario-Portland flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, September is the cheapest month in which you can book a flight from London, Ontario to Portland (average of $157). Flying from London, Ontario to Portland in March is currently the most expensive (average of $296). 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 $368, WestJet can have you in Portland from London, Ontario in 22h 55m. The distance between London, Ontario and Portland is about 2032 mi.

  • 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, September is the cheapest month in which you can book a flight from London, Ontario to Portland (average of $157). Flying from London, Ontario to Portland in March is currently the most expensive (average of $296). 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
Clackamas
Lincoln City
Longview
Lake Oswego
Beaverton
Hillsboro
Troutdale
Cannon Beach
Long Beach
McMinnville
Tigard
The Dalles
Depoe Bay
Stevenson
Wilsonville
Tillamook
Pacific City
Gresham

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