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$408+ 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PDX
Aug 27 — Sep 31
Thu 8/27
Thu 9/3
1 adult, Economy
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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 Wednesday or Tuesday and return on a Monday

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 July 28, 2026.

This United Airlines deal was found by Cheapflights users on 7/26. 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.
Mon 8/315:55 pm
LHR
-
PDX
2 stops34h 15m
United Airlines
Thu 9/105:30 am
PDX
-
LHR
2 stops22h 20m
United Airlines
Deal found 7/26$874
This Gotogate deal was found by Cheapflights users on 7/26. 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.
Mon 8/319:25 pm
LHR
-
PDX
1 stop22h 25m
Icelandair
Thu 9/103:30 pm
PDX
-
LHR
1 stop20h 50m
Icelandair
Deal found 7/26$884
This oojo deal was found by Cheapflights users on 7/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:15 pm
LHR
-
PDX
1 stop12h 45m
Icelandair
Sat 11/142:45 pm
PDX
-
LHR
1 stop12h 05m
Icelandair
Deal found 7/27$886
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Fri 10/1612:00 pm
LHR
-
PDX
2 stops31h 39m
Multiple Airlines
Thu 10/223:30 pm
PDX
-
LHR
1 stop12h 25m
Multiple Airlines
Deal found 7/26$888
This The Travel House deal was found by Cheapflights users on 7/27. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/211:00 pm
LHR
-
PDX
2 stops33h 37m
Air Canada
Thu 12/37:00 am
PDX
-
LHR
1 stop20h 50m
Air Canada
Deal found 7/27$889
This Scandinavian Airlines deal was found by Cheapflights users on 7/26. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/185:30 pm
LHR
-
PDX
2 stops35h 20m
Scandinavian Airlines
Thu 10/227:00 am
PDX
-
LHR
2 stops23h 35m
Scandinavian Airlines
Deal found 7/26$892
This Gotogate deal was found by Cheapflights users on 7/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/231:05 pm
LHR
-
PDX
1 stop12h 50m
Icelandair
Thu 10/293:45 pm
PDX
-
LHR
1 stop12h 05m
Icelandair
Deal found 7/27$894
This Travcart deal was found by Cheapflights users on 7/28. 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 Travcart is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/411:45 am
LHR
-
PDX
1 stop31h 25m
Virgin Atlantic
Wed 9/235:50 pm
PDX
-
LHR
1 stop13h 45m
Virgin Atlantic
Deal found 7/28$895
This Expedia deal was found by Cheapflights users on 7/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/78:40 am
LHR
-
PDX
1 stop22h 02m
Multiple Airlines
Mon 9/213:30 pm
PDX
-
LHR
1 stop12h 25m
Multiple Airlines
Deal found 7/25$897
This Travelocity deal was found by Cheapflights users on 7/25. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:15 pm
LHR
-
PDX
1 stop12h 45m
Multiple Airlines
Sat 11/147:10 pm
PDX
-
LHR
2 stops27h 20m
Multiple Airlines
Deal found 7/25$900
This Scandinavian Airlines deal was found by Cheapflights users on 7/26. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:05 am
LHR
-
PDX
2 stops21h 45m
Scandinavian Airlines
Sat 10/247:00 am
PDX
-
LHR
2 stops27h 40m
Scandinavian Airlines
Deal found 7/26$905
This Gotogate deal was found by Cheapflights users on 7/25. 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.
Mon 9/219:25 pm
LHR
-
PDX
1 stop28h 30m
Icelandair
Sat 9/263:30 pm
PDX
-
LHR
1 stop12h 25m
Icelandair
Deal found 7/25$907

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 July 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$874
(United Airlines)

One-way from

$408

Popular in

July

Cheapest in

November

Average price

$1,302

Good round-trip deal

$947 or less

Good one-way deal

$631 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. 19% potential increase in price ($237 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 28, 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

Tue 9/22

8:45 am-7:11 pm

2 stops18h 26m

Portland

Wed 9/30

7:02 am-1:00 pm

2 stops21h 58m

$919

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Thu 10/1

11:25 am-12:34 am

2 stops21h 09m

Portland

Thu 10/8

9:00 am-10:10 am

2 stops17h 10m

$926

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Wed 10/28

9:00 am-11:12 pm

2 stops21h 12m

Portland

Wed 11/11

10:45 am-11:15 am

2 stops40h 30m

$929

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Fri 8/21

7:05 am-7:44 pm

3 stops20h 39m

Portland

Sat 9/5

1:42 pm-9:40 pm

2 stops23h 58m

$962

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Mon 9/7

8:55 am-5:30 pm

1 stop16h 35m

Portland

Mon 9/21

7:30 pm-1:00 pm

Nonstop9h 30m

$965

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Wed 9/30

12:15 pm-7:36 pm

1 stop15h 21m

Portland

Wed 10/21

2:26 pm-12:50 pm

1 stop14h 24m

$967

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Wed 11/18

2:30 pm-8:46 pm

1 stop14h 16m

Portland

Sat 11/28

1:15 pm-9:40 am

1 stop12h 25m

$997

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Wed 10/28

1:35 pm-4:50 pm

Nonstop10h 15m

Portland

Sat 11/14

11:57 am-12:00 pm

1 stop16h 03m

$998
Quickest round-trip

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Thu 9/10

3:40 pm-5:40 pm

Nonstop10h 00m

Portland

Wed 9/23

12:01 pm-10:55 am

1 stop14h 54m

$999

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Thu 12/10

4:30 pm-11:59 pm

1 stop15h 29m

Portland

Mon 12/14

5:45 pm-11:20 am

Nonstop9h 35m

$1,003

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Thrive TravelPrice Accuracy3 starsTrust Score*2 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
AranGrantPrice Accuracy3 starsTrust Score*3 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?

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Portland, you should look to book at least 72 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, November is the cheapest month in which you can book a flight from London Heathrow Airport to Portland (average of $753). Flying from London Heathrow Airport to Portland in July is currently the most expensive (average of $1,302). 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 July 28, 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.

How much does it cost to fly round-trip from London Heathrow Airport to Portland?

Airfare is below average for this route at the moment.

London Heathrow Airport to Portland flights typically cost between $961 and $1,303 in August.
The cheapest round-trip price found within the last 5 days was $874 on United Airlines (Aug 31-Sep 10).

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 July 28, 2026.
See what other customers who have flown with British 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.
British Airways
6.7
Okay
8,130 reviews

Comfort

6.8

Entertainment

6.5

Crew

7.7

Boarding

7.0

Overall

6.7

Food

6.4

Reviews

1 / 20
6.0
Good

Roxanne,Sep 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.
British Airways
6.7
Okay
8,130 reviews
British Airways
6.7
Okay
8,130 reviews

Comfort

6.8

Entertainment

6.5

Crew

7.7

Boarding

7.0

Overall

6.7

Food

6.4

Reviews

1 / 20
6.0
Good

Roxanne,Sep 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

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. 1 airline 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 7 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 22h 25m. United Airlines provides one of the quickest options available for as low as $884. 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 is the cheapest airline to fly from London Heathrow Airport to Portland round-trip?

    British Airways, at $715, was found to be the cheapest airline from London Heathrow Airport to Portland.. British Airways is currently priced 27% 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 Finnair and American Airlines, with prices starting from $580 and $590, 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 (73%), Alaska Airlines (73%) and Aer Lingus (73%).

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

    On average you can expect to pay $1,549 for a flight from London Heathrow Airport to Portland. The cheapest flight overall is $546 while the most popular route, (London Heathrow - Portland) is currently priced at $765.

  • 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, November is the cheapest month in which you can book a flight from London Heathrow Airport to Portland (average of $753). Flying from London Heathrow Airport to Portland in July is currently the most expensive (average of $1,302). 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
Beaverton
Seaside
Vancouver
Lincoln City
Longview
Lake Oswego
Hillsboro
Kelso
Clackamas
Troutdale
Cannon Beach
McMinnville
The Dalles
Wilsonville
Depoe Bay
Stevenson
Tillamook
Astoria
Gresham
Silverton

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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 Eugene flights
Heathrow to Boise flights

Top airline flying from Heathrow to Portland

Discover the top airline 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 July 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$715Average$1,085FlexibilityNo cancel feeOn-time70%

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