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Cheap flights from London, ON to Portland from C$ 460

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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — PDX
4 May — 11 May1
1 adult

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 29 April 2025.

Round-trip from

C$ 687

One-way from

C$ 460
United Airlines
  • United Airlines
  • 19/6-26/6
  • 4 total stops
  • 33h 24m total
  • London to Portland
Delta
  • Delta
  • 12/6
  • 1 total stop
  • 9h 52m total
  • London to Portland

Find 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 29 April 2025.

Thu 19/63:35 p.m.YXU - PDX
2 stops20h 22mUnited Airlines
Thu 26/610:55 p.m.PDX - YXU
2 stops13h 02mUnited Airlines
Deal found 28/4C$ 687
Thu 19/68:00 p.m.YXU - PDX
1 stop19h 52mWestJet
Thu 26/61:28 p.m.PDX - YXU
2 stops26h 41mWestJet
Deal found 28/4C$ 863

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 629,999 searches. Data last updated 29 April 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

Thu 19/6

3:35 p.m.-8:57 a.m.

2 stops20h 22m

Portland

Thu 26/6

10:55 p.m.-2:57 p.m.

2 stops13h 02m

C$ 687

LondonPortland

YXU - PDX

YXUPDX

London

Thu 19/6

8:00 p.m.-12:52 p.m.

1 stop19h 52m

Portland

Thu 26/6

1:28 p.m.-7:09 p.m.

2 stops26h 41m

C$ 863

LondonPortland

YXU - PDX

YXUPDX

London

Thu 12/6

6:00 a.m.-12:52 p.m.

1 stop9h 52m

C$ 460

LondonPortland

YXU - PDX

YXUPDX

London

Thu 12/6

3:35 p.m.-8:47 p.m.

2 stops32h 12m

C$ 461

LondonPortland

YXU - PDX

YXUPDX

London

Thu 12/6

6:00 a.m.-12:14 a.m.

3 stops21h 14m

C$ 595

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/4

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$ 442). 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.

Rainfall in Portland by month

Plan your trip to Portland by taking into account the average rainfall totals by month.

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.

Temperature in Portland by month

Plan your trip to Portland by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated 29 April 2025.

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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?

    Our cheapest airline available from London, Ontario to Portland is United Airlines. Our recent data shows that you can find tickets from as low as C$ 687 on this airline. An additional option worth looking into is WestJet, starting at C$ 863.

  • 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$ 442). 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Seaside
Tillamook
Beaverton
Camas
Vancouver
Cannon Beach
Lincoln City

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Top airline flying from London to Portland

Discover the top airline that operate flights from London to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 293AverageC$ 542FlexibilityNo cancel feeOn-time60%
Search WestJet flights

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?

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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