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$588+ 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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PDX
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from London Heathrow to Portland are usually found in November or January, booked 77 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 July 29, 2025.

Round-trip from

$747
(American Airlines)

One-way from

$588
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$1,185

Good round-trip deal

$910 or less

Good one-way deal

$1,077 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 ($181 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from London Heathrow to Portland.
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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 July 29, 2025.

This American Airlines deal was found by Cheapflights users on 7/29. 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.
Tue 9/93:40 pmLHR - PDX
Nonstop9h 55mAmerican Airlines
Thu 9/187:25 pmPDX - LHR
Nonstop9h 35mAmerican Airlines
Deal found 7/29$747
This oojo deal was found by Cheapflights users on 7/29. 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.
Fri 9/51:05 pmLHR - PDX
1 stop12h 50mIcelandair
Sat 9/203:20 pmPDX - LHR
1 stop21h 00mIcelandair
Deal found 7/29$748
This Cheapflightsfares deal was found by Cheapflights users on 7/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/256:30 amLHR - PDX
2 stops20h 16mLufthansa
Wed 10/17:30 amPDX - LHR
1 stop22h 40mLufthansa
Deal found 7/29$750
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Thu 10/22:10 pmLHR - PDX
1 stop27h 10mUnited Airlines
Mon 10/1312:53 pmPDX - LHR
1 stop12h 47mUnited Airlines
Deal found 7/29$751
This Air Canada deal was found by Cheapflights users on 7/29. 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 10/59:30 amLHR - PDX
2 stops21h 31mAir Canada
Fri 10/173:25 pmPDX - LHR
1 stop13h 55mAir Canada
Deal found 7/29$753
This American Airlines deal was found by Cheapflights users on 7/29. 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.
Mon 8/251:35 pmLHR - PDX
1 stop14h 25mMultiple Airlines
Tue 9/97:25 pmPDX - LHR
Nonstop9h 35mMultiple Airlines
Deal found 7/29$754
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/112:00 pmLHR - PDX
1 stop17h 27mBritish Airways
Mon 10/61:16 pmPDX - LHR
1 stop14h 59mBritish Airways
Deal found 7/28$757
This ChecknFly 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/266:10 pmLHR - PDX
2 stops37h 10mFinnair
Sat 9/279:00 amPDX - LHR
1 stop21h 25mFinnair
Deal found 7/27$793
This Bookaflight.co.il 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 Bookaflight.co.il is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2312:00 pmLHR - PDX
1 stop17h 27mIberia
Sun 10/197:25 pmPDX - LHR
Nonstop9h 35mIberia
Deal found 7/28$812

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 29, 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

Tue 9/9

3:40 pm-5:35 pm

Nonstop9h 55m

Portland

Thu 9/18

7:25 pm-1:00 pm

Nonstop9h 35m

$747

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Fri 9/5

1:05 pm-5:55 pm

1 stop12h 50m

Portland

Sat 9/20

3:20 pm-8:20 pm

1 stop21h 00m

$748

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Thu 9/25

6:30 am-6:46 pm

2 stops20h 16m

Portland

Wed 10/1

7:30 am-10:25 am

1 stop18h 55m

$750

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Thu 10/2

2:10 pm-11:01 pm

1 stop16h 51m

Portland

Sun 10/12

7:00 am-6:20 am

1 stop15h 20m

$751

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Sun 10/5

9:30 am-11:01 pm

2 stops21h 31m

Portland

Fri 10/17

3:25 pm-1:20 pm

1 stop13h 55m

$753

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Mon 8/25

1:35 pm-8:00 pm

1 stop14h 25m

Portland

Tue 9/9

7:25 pm-1:00 pm

Nonstop9h 35m

$754

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Wed 10/1

10:30 am-6:54 pm

1 stop16h 24m

Portland

Thu 10/9

11:48 am-12:45 pm

1 stop16h 57m

$757

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Tue 8/26

6:10 pm-11:20 pm

2 stops37h 10m

Portland

Sat 9/27

9:00 am-2:25 pm

1 stop21h 25m

$793

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Tue 9/23

12:00 pm-9:27 pm

1 stop17h 27m

Portland

Sun 10/19

7:25 pm-1:00 pm

Nonstop9h 35m

$812

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Thu 10/9

6:00 am-8:50 pm

2 stops22h 50m

$588

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 14 results
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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 July 25, 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 77 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 July 29, 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 19% on airfare.

Weekly flight availability from London Heathrow Airport to Portland

Explore weekly flight availability from Heathrow to Portland. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 29, 2025.

The most flights from LHR to PDX are scheduled on a Monday (13 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (7 on average).

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 29, 2025.
See what other customers who have flown with Finnair, SWISS, and United Airlines 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.
Finnair
7.6
Good
1,316 reviews

Comfort

7.5

Boarding

7.6

Crew

8.1

Entertainment

6.9

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Finnair
7.6
Good
1,316 reviews
Finnair
7.6
Good
1,316 reviews

Comfort

7.5

Boarding

7.6

Crew

8.1

Entertainment

6.9

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
SWISS
7.5
Good
1,683 reviews
Finnair
7.6
Good
1,316 reviews

Comfort

7.5

Boarding

7.6

Crew

8.1

Entertainment

6.9

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
United Airlines
7.4
Good
8,899 reviews
Finnair
7.6
Good
1,316 reviews

Comfort

7.5

Boarding

7.6

Crew

8.1

Entertainment

6.9

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
American Airlines
7.2
Good
10,000 reviews
Finnair
7.6
Good
1,316 reviews

Comfort

7.5

Boarding

7.6

Crew

8.1

Entertainment

6.9

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
WestJet
7.2
Good
2,973 reviews
Finnair
7.6
Good
1,316 reviews

Comfort

7.5

Boarding

7.6

Crew

8.1

Entertainment

6.9

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

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. 4 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 7 inbound flights from London Heathrow per day.

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

    American Airlines, at $747, was found to be the cheapest airline from London Heathrow Airport to Portland.Alternate airlines to your destination round-trip include Icelandair and Lufthansa. American Airlines is currently priced 16% 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?

    $591 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Icelandair and Lufthansa, with prices starting from $683 and $704, 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 (80%), Alaska Airlines (80%) and Aer Lingus (80%).

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

    On average you can expect to pay $1,964 for a flight from London Heathrow Airport to Portland. The cheapest flight overall is $785 while the most popular route, (London Heathrow - Portland) is currently priced at $641.

  • 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
Lincoln City
McMinnville
Lake Oswego
Hillsboro
Astoria
Cannon Beach
Long Beach
Longview
Tigard
Depoe Bay
Woodburn
Stevenson
Wilsonville
Pacific City
Troutdale
Tillamook

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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
Heathrow to Eugene flights
Luton to Portland flights
Stansted to Portland flights
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Top 4 airlines flying from Heathrow to Portland

Discover the top 4 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$701Average$793FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$733Average$941FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$782Average$953FlexibilityNo cancel feeOn-time71%
IberiaCheapest$784Average$979FlexibilityNo cancel feeOn-time77%

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