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Cheap flights from London, ON to Portland from C$ 318

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 23/5. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — PDX
20 Apr — 27 Apr1
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 15 April 2025.

Round-trip from

C$ 318
WestJet
  • WestJet
  • 23/5-26/5
  • 2 total stops
  • 32h 34m total
  • London to Portland
Search Deals

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 15 April 2025.

Fri 23/58:00 p.m.YXU - PDX
1 stop20h 05mWestJet
Mon 26/51:45 p.m.PDX - YXU
1 stop12h 29mWestJet
Deal found 13/4C$ 318
Fri 23/53:45 p.m.YXU - PDX
2 stops18h 57mUnited Airlines
Mon 26/511:59 p.m.PDX - YXU
2 stops12h 04mUnited Airlines
Deal found 15/4C$ 816
Fri 23/56:15 a.m.YXU - PDX
2 stops11h 25mAir Canada
Mon 26/57:40 p.m.PDX - YXU
2 stops10h 38mAir Canada
Deal found 13/4C$ 1,228

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 15 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

Fri 23/5

8:00 p.m.-1:05 p.m.

1 stop20h 05m

Portland

Mon 26/5

1:45 p.m.-5:14 a.m.

1 stop12h 29m

C$ 318

LondonPortland

YXU - PDX

YXUPDX

London

Fri 23/5

3:45 p.m.-7:42 a.m.

2 stops18h 57m

Portland

Mon 26/5

11:59 p.m.-3:03 p.m.

2 stops12h 04m

C$ 816

LondonPortland

YXU - PDX

YXUPDX

London

Fri 23/5

6:15 a.m.-2:40 p.m.

2 stops11h 25m

Portland

Mon 26/5

7:40 p.m.-9:18 a.m.

2 stops10h 38m

C$ 1,228

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/4

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 15 April 2025.
United Airlines
7.4
Good
8,658 reviews
Check prices

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Apr 2025

TPE - SFO

The boarding experience was okay. The dietary food choices were limited, the midway snacks were hard and dry. The seat was uncomfortable - stiff seat cushion, seat back kept springing back to the upright position, narrow seat width. Love the app and the ability to track my luggage. Flight crew was efficient.
United Airlines
7.4
Good
8,658 reviews
United Airlines
7.4
Good
8,658 reviews
Check prices

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Apr 2025

TPE - SFO

The boarding experience was okay. The dietary food choices were limited, the midway snacks were hard and dry. The seat was uncomfortable - stiff seat cushion, seat back kept springing back to the upright position, narrow seat width. Love the app and the ability to track my luggage. Flight crew was efficient.
WestJet
7.2
Good
2,805 reviews
United Airlines
7.4
Good
8,658 reviews
Check prices

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Apr 2025

TPE - SFO

The boarding experience was okay. The dietary food choices were limited, the midway snacks were hard and dry. The seat was uncomfortable - stiff seat cushion, seat back kept springing back to the upright position, narrow seat width. Love the app and the ability to track my luggage. Flight crew was efficient.
Air Canada
7.0
Good
9,134 reviews
United Airlines
7.4
Good
8,658 reviews
Check prices

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Apr 2025

TPE - SFO

The boarding experience was okay. The dietary food choices were limited, the midway snacks were hard and dry. The seat was uncomfortable - stiff seat cushion, seat back kept springing back to the upright position, narrow seat width. Love the app and the ability to track my luggage. Flight crew was efficient.

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 WestJet. Our recent data shows that you can find tickets from as low as C$ 318 on this airline. Additional options worth looking into are United Airlines and Air Canada, starting at C$ 816 and C$ 1,228 round-trip.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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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 15 April 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 294AverageC$ 544FlexibilityNo 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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