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$624+ 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 11/28. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PDX
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from London Heathrow to Portland are usually found in November or September, booked 50 days in advance, depart on a Monday or Saturday and return on a Tuesday

Cheap 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 September 11, 2025.

Round-trip from

$718
(British Airways)

One-way from

$624
(American Airlines)

Popular in

July

Cheapest in

November

Average price

$798

Good one-way deal

$890 or less
From London Heathrow to Portland
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One-way flight from London Heathrow to Portland
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Highest demand for flights based on searches. 16% potential increase in price ($171 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a one-way flight from London Heathrow to Portland.
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Find 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 September 11, 2025.

This British Airways deal was found by Cheapflights users on 9/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/83:10 pmLHR - PDX
1 stop16h 19mBritish Airways
Sun 10/197:25 pmPDX - LHR
Nonstop9h 35mBritish Airways
Deal found 9/10$718
This American Airlines deal was found by Cheapflights users on 9/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1811:40 amLHR - PDX
1 stop17h 36mAmerican Airlines
Mon 9/227:25 pmPDX - LHR
Nonstop9h 35mAmerican Airlines
Deal found 9/9$722
This Netflights deal was found by Cheapflights users on 9/11. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/143:10 pmLHR - PDX
1 stop16h 19mBritish Airways
Tue 10/211:23 pmPDX - LHR
1 stop13h 07mBritish Airways
Deal found 9/11$724
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Tue 10/146:30 amLHR - PDX
2 stops16h 16mUnited Airlines
Tue 10/2112:59 pmPDX - LHR
1 stop14h 36mUnited Airlines
Deal found 9/11$725
This Expedia deal was found by Cheapflights users on 9/11. 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.
Sat 10/112:10 pmLHR - PDX
1 stop16h 51mAir Canada
Sat 10/183:25 pmPDX - LHR
1 stop13h 55mAir Canada
Deal found 9/11$728
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sun 10/267:30 amLHR - PDX
2 stops22h 05mUnited Airlines
Sun 11/21:15 pmPDX - LHR
1 stop34h 15mUnited Airlines
Deal found 9/11$730
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/106:50 amLHR - PDX
2 stops19h 41mUnited Airlines
Fri 10/1711:05 amPDX - LHR
1 stop15h 20mUnited Airlines
Deal found 9/10$733
This Air Canada deal was found by Cheapflights users on 9/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2110:15 amLHR - PDX
2 stops16h 31mAir Canada
Sat 10/116:15 amPDX - LHR
2 stops21h 35mAir Canada
Deal found 9/10$735
This Air Canada deal was found by Cheapflights users on 9/8. 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.
Fri 9/1910:15 amLHR - PDX
2 stops16h 31mAir Canada
Mon 9/2210:00 amPDX - LHR
2 stops17h 50mAir Canada
Deal found 9/8$741
This TravelUp deal was found by Cheapflights users on 9/10. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/102:10 pmLHR - PDX
1 stop12h 36mAir Canada
Fri 10/177:40 pmPDX - LHR
1 stop33h 40mAir Canada
Deal found 9/10$746

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 September 11, 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Portland that are best for you.

Fly from

Heathrow

Fly to

Portland

Route

Depart

Return

Price

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Wed 10/8

3:10 pm-11:29 pm

1 stop16h 19m

Portland

Sun 10/19

7:25 pm-1:00 pm

Nonstop9h 35m

$718

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Wed 10/8

3:10 pm-11:29 pm

1 stop16h 19m

Portland

Sat 10/18

7:25 pm-1:00 pm

Nonstop9h 35m

$718

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Tue 10/14

6:30 am-2:46 pm

2 stops16h 16m

Portland

Tue 10/21

12:59 pm-11:35 am

1 stop14h 36m

$725

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Sat 10/11

10:15 am-6:46 pm

2 stops16h 31m

Portland

Sat 10/18

3:25 pm-1:20 pm

1 stop13h 55m

$729

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Sun 10/26

7:30 am-10:35 pm

2 stops22h 05m

Portland

Sun 11/2

1:15 pm-7:30 am

1 stop34h 15m

$730

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Fri 10/10

6:50 am-6:31 pm

2 stops19h 41m

Portland

Fri 10/17

11:05 am-10:25 am

1 stop15h 20m

$733

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Fri 10/10

2:10 pm-6:46 pm

1 stop12h 36m

Portland

Fri 10/17

7:40 pm-1:20 pm

1 stop33h 40m

$746

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Sat 10/11

2:10 pm-11:01 pm

1 stop16h 51m

Portland

Sat 10/18

7:00 am-6:55 am

2 stops15h 55m

$755

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Sun 10/26

2:30 pm-6:30 pm

1 stop35h 00m

Portland

Sun 11/2

7:00 pm-10:10 am

2 stops31h 10m

$756

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Wed 11/12

12:15 pm-5:00 pm

1 stop12h 45m

$628

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/8

Showing 1-10 of 20 results
1
2

The best insider tips for London Heathrow Airport to Portland flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your London Heathrow Airport to Portland trip
Airports
LHR

For a smooth departure from Heathrow, ensure all liquids are in one small bag to avoid lengthy security checks.

Read more about LHRby Ramsey Qubein
PDX

Use the MAX red line for a convenient and inexpensive 40-minute trip from PDX to downtown Portland.

Read more about PDXby Brandon Schultz
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on PDX

Brandon Schultz

Brandon Schultz

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

Ramsey Qubein

Ramsey Qubein

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

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 August 29, 2025.

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Portland, you should look to book at least 50 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 $277). Flying from London Heathrow Airport to Portland in March is currently the most expensive (average of $368). 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 September 11, 2025.

One of the essential ways to save on airfare from London Heathrow Airport to Portland is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 20% on airfare.

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 September 11, 2025.
See what other customers who have flown with United Airlines, American Airlines, and 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.
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
British Airways
6.7
Okay
7,361 reviews
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

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 6 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 16h 16m. British Airways provides one of the quickest options available for as low as $725. 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 $701, 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 21% 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?

    $628 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on Brussels Airlines and Lufthansa, with prices starting from $660 and $660, 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 (60%), Alaska Airlines (60%) and Aer Lingus (60%).

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

    On average you can expect to pay $1,449 for a flight from London Heathrow Airport to Portland. The cheapest flight overall is $847 while the most popular route, (London Heathrow - Portland) is currently priced at $553.

  • 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 $277). Flying from London Heathrow Airport to Portland in March is currently the most expensive (average of $368). 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
Beaverton
Clackamas
McMinnville
Lake Oswego
Hillsboro
Cannon Beach
Long Beach
Longview
Lincoln City
Tigard
Depoe Bay
Stevenson
Wilsonville
Pacific City
Troutdale
Tillamook
Gresham
Silverton

Browse thousands of different options on Cheapflights for your next trip

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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 Boise flights
Luton to Portland flights
Stansted to Portland flights
Heathrow to Eugene flights
Heathrow to Medford flights
Heathrow to Redmond 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$701Average$823FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$733Average$931FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$782Average$953FlexibilityNo cancel feeOn-time71%

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