HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portland

$443+ Cheap flights from Heathrow (LHR) 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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PDX
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Heathrow to Portland with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from London Heathrow to Portland are usually found in November or February, booked 73 days in advance, depart on a Saturday or Wednesday and return on a Tuesday

Cheap flight deals from Heathrow to Portland

Cheapest flights from Heathrow to Portland
Explore the most affordable flight options available from Heathrow to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.

This Booking.com deal was found by Cheapflights users on 3/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1510:15 am
LHR
-
PDX
2 stops54h 55m
Air Canada
Sat 4/187:15 am
PDX
-
LHR
2 stops46h 05m
Air Canada
Deal found 3/6$631
This Trip.com deal was found by Cheapflights users on 3/5. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:05 am
LHR
-
PDX
2 stops18h 55m
Multiple Airlines
Sat 4/253:30 pm
PDX
-
LHR
2 stops16h 55m
Multiple Airlines
Deal found 3/5$647
This Mytrip deal was found by Cheapflights users on 3/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:05 pm
LHR
-
PDX
1 stop12h 55m
Icelandair
Thu 5/213:30 pm
PDX
-
LHR
1 stop12h 25m
Icelandair
Deal found 3/9$726
This Mytrip deal was found by Cheapflights users on 3/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/201:05 pm
LHR
-
PDX
1 stop12h 55m
Icelandair
Mon 5/43:30 pm
PDX
-
LHR
1 stop20h 50m
Icelandair
Deal found 3/9$732
This The Travel House deal was found by Cheapflights users on 3/7. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:05 pm
LHR
-
PDX
1 stop12h 55m
Icelandair
Mon 4/203:30 pm
PDX
-
LHR
1 stop20h 50m
Icelandair
Deal found 3/7$734
This Gotogate deal was found by Cheapflights users on 3/7. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/219:25 pm
LHR
-
PDX
1 stop28h 35m
Icelandair
Tue 4/283:30 pm
PDX
-
LHR
1 stop20h 50m
Icelandair
Deal found 3/7$739
This The Travel House deal was found by Cheapflights users on 3/7. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/219:25 pm
LHR
-
PDX
1 stop28h 30m
Icelandair
Thu 10/13:30 pm
PDX
-
LHR
1 stop20h 50m
Icelandair
Deal found 3/7$741
This Gotogate deal was found by Cheapflights users on 3/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/21:05 pm
LHR
-
PDX
1 stop12h 50m
Icelandair
Wed 9/97:05 pm
PDX
-
LHR
1 stop32h 50m
Icelandair
Deal found 3/10$745
This Mytrip deal was found by Cheapflights users on 3/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/201:05 pm
LHR
-
PDX
1 stop12h 55m
Icelandair
Thu 4/233:30 pm
PDX
-
LHR
1 stop20h 50m
Icelandair
Deal found 3/9$754

Find flight deals from Heathrow to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) 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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$631
(Booking.com)

One-way from

$443
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$909

Good round-trip deal

$1,334 or less

Good one-way deal

$684 or less
Provider with most accurate pricing for London Heathrow-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for London Heathrow-Portland flights.
Search Deals
From London Heathrow to Portland
Search Deals
One-way flight from London Heathrow to Portland
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($160 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from London Heathrow to Portland.
Search Deals
Price to beat on a one-way flight from London Heathrow to Portland.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Heathrow 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 March 10, 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Wed 4/15

6:00 am-10:34 pm

2 stops24h 34m

Portland

Wed 4/22

1:39 pm-5:50 pm

2 stops20h 11m

$848

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Mon 4/13

8:05 pm-10:34 pm

2 stops34h 29m

Portland

Thu 4/23

1:35 pm-5:50 pm

2 stops20h 15m

$850

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Mon 4/13

7:25 am-6:34 pm

2 stops19h 09m

Portland

Mon 4/20

12:50 pm-12:25 pm

1 stop15h 35m

$856

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Wed 4/29

10:50 am-10:34 pm

2 stops19h 44m

Portland

Sun 5/3

10:15 pm-8:40 pm

1 stop14h 25m

$866

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Mon 4/20

3:40 pm-5:40 pm

Nonstop10h 00m

Portland

Mon 5/4

6:22 am-6:50 am

1 stop16h 28m

$880
Quickest round-trip

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Mon 4/13

8:55 am-4:59 pm

1 stop16h 04m

Portland

Mon 4/20

7:30 pm-1:00 pm

Nonstop9h 30m

$885

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Thu 4/16

8:05 pm-10:34 pm

2 stops34h 29m

Portland

Mon 4/20

1:39 pm-5:50 pm

2 stops20h 11m

$890

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Wed 5/6

3:05 pm-2:45 pm

1 stop31h 40m

Portland

Sun 5/10

10:15 pm-8:40 pm

1 stop14h 25m

$893

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Fri 5/1

6:30 am-11:10 am

1 stop12h 40m

Portland

Wed 5/13

7:00 am-6:45 am

1 stop15h 45m

$924

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Thu 4/16

6:30 am-11:10 am

1 stop12h 40m

Portland

Wed 4/22

6:05 pm-3:35 pm

1 stop13h 30m

$925

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Heathrow to Portland

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Heathrow to Portland in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Thrive TravelPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
CheapflightsfaresPrice Accuracy1 starTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London Heathrow Airport-Portland flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-Portland flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Portland flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London Heathrow Airport-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 Heathrow Airport-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 Heathrow to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Heathrow 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 Heathrow Airport to Portland

How far ahead should I book a flight from London Heathrow Airport to Portland?

Use this chart to determine the optimal time to book a round-trip flight from Heathrow to Portland. Price data was last updated on March 6, 2026.

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Portland, you should look to book at least 73 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from London Heathrow Airport to Portland?

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Portland (average of $607). Flying from London Heathrow Airport to Portland in January is currently the most expensive (average of $747). 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.

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

Find hourly flight availability from Heathrow to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 10, 2026.

When flying from London Heathrow Airport to Portland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

The best insider tips for London Heathrow Airport to Portland flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your London Heathrow Airport to Portland trip
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on PDX

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LHR

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

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 March 10, 2026.
See what other customers who have flown with United Airlines,American Airlines, andBritish Airways from London Heathrow Airport to Portland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,409 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,409 reviews
United Airlines
7.4
Good
9,409 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
American Airlines
7.1
Good
11,414 reviews
United Airlines
7.4
Good
9,409 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
British Airways
6.7
Okay
7,781 reviews
United Airlines
7.4
Good
9,409 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Portland from London Heathrow?

    Portland (PDX), located 6.0 mi from the city center, is the airport you fly into when you book flights from London Heathrow to Portland. 3 airlines have flights to Portland from London Heathrow on a regular basis. Booking flights from London Heathrow to Portland should not be difficult; the airport handles an average of 3 inbound flights from London Heathrow per day.

  • How long is the flight from London Heathrow Airport to Portland?

    A quick flight from London Heathrow Airport to Portland can take about 10h. SWISS provides one of the quickest options available for as low as $880. Airlines will cover a distance of 4896 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from London Heathrow Airport to Portland round-trip?

    United Airlines, at $704, was found to be the cheapest airline from London Heathrow Airport to Portland.Alternate airlines to your destination round-trip include British Airways and American Airlines. United Airlines is currently priced 20% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from London Heathrow Airport to Portland one-way?

    $562 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on American Airlines and Lufthansa, with prices starting from $590 and $591, respectively.

  • What are the most reliable airlines from London Heathrow Airport to Portland?

    The top 3 most reliable airlines when flying from London Heathrow Airport to Portland are American Airlines (70%), Alaska Airlines (70%) and Aer Lingus (70%).

  • What are the cheapest flights from London Heathrow Airport to Portland?

    On average you can expect to pay $1,540 for a flight from London Heathrow Airport to Portland. The cheapest flight overall is $590 while the most popular route, (London Heathrow - Portland) is currently priced at $723.

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

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

  • How can I find direct flights from Heathrow to Portland?

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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 Heathrow Airport to Portland?

    Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Portland (average of $607). Flying from London Heathrow Airport to Portland in January is currently the most expensive (average of $747). 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
Hillsboro
Troutdale
Cannon Beach
Long Beach
McMinnville
Tigard
The Dalles
Beaverton
Depoe Bay
Wilsonville
Stevenson
Tillamook
Pacific City
Astoria

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Heathrow to Portland

See prices for flight routes from nearby airports that may be better suited for you.
Gatwick to Portland flights
Heathrow to Boise flights
Heathrow to Eugene flights

Top 3 airlines flying from Heathrow to Portland

Discover the top 3 airlines that operate flights from Heathrow 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 2,558,603 searches. Data last updated March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$704Average$825FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$715Average$936FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$737Average$1,067FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights