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$679+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PDX
May 3 — May 101
Sat 5/3
Sat 5/10
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 Friday or Thursday 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 April 28, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$717
(Icelandair)

One-way from

$679
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$824

Good round-trip deal

$814 or less

Good one-way deal

$867 or less
Provider with most accurate pricing for London Heathrow-Portland flight deals.
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Provider most trusted by Cheapflights users for London Heathrow-Portland flights.
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From London Heathrow to Portland
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One-way flight from London Heathrow to Portland
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($228 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 28, 2025.

This Icelandair deal was found by Cheapflights users on 4/28. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/151:05 pmLHR - PDX
1 stop12h 50mIcelandair
Mon 5/263:20 pmPDX - LHR
1 stop12h 35mIcelandair
Deal found 4/28$717
This World Air Fares deal was found by Cheapflights users on 4/28. 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 World Air Fares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/56:00 amLHR - PDX
2 stops24h 30mMultiple Airlines
Thu 9/181:01 pmPDX - LHR
1 stop15h 19mMultiple Airlines
Deal found 4/28$718
This Lufthansa deal was found by Cheapflights users on 4/28. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/128:30 amLHR - PDX
2 stops22h 06mLufthansa
Thu 5/2210:55 amPDX - LHR
1 stop14h 45mLufthansa
Deal found 4/28$722
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/57:45 amLHR - PDX
2 stops20h 17mUnited Airlines
Mon 5/196:00 amPDX - LHR
1 stop20h 25mUnited Airlines
Deal found 4/28$724
This Netflights deal was found by Cheapflights users on 4/27. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/153:40 pmLHR - PDX
Nonstop9h 55mBritish Airways
Mon 9/297:25 pmPDX - LHR
Nonstop9h 35mBritish Airways
Deal found 4/27$730
This Air Canada deal was found by Cheapflights users on 4/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/54:00 pmLHR - PDX
2 stops27h 49mAir Canada
Sat 9/206:15 amPDX - LHR
2 stops21h 35mAir Canada
Deal found 4/28$740
This KLM deal was found by Cheapflights users on 4/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/56:30 amLHR - PDX
1 stop12h 50mKLM
Mon 5/193:30 pmPDX - LHR
1 stop14h 45mKLM
Deal found 4/28$751
This The Travel House deal was found by Cheapflights users on 4/27. 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.
Fri 9/53:40 pmLHR - PDX
Nonstop9h 55mIberia
Thu 9/182:50 pmPDX - LHR
1 stop17h 15mIberia
Deal found 4/27$761
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/53:40 pmLHR - PDX
Nonstop9h 55mAmerican Airlines
Mon 5/193:24 pmPDX - LHR
1 stop12h 51mAmerican Airlines
Deal found 4/28$773
This Delta deal was found by Cheapflights users on 4/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/86:30 amLHR - PDX
2 stops16h 20mDelta
Thu 5/221:21 pmPDX - LHR
1 stop16h 54mDelta
Deal found 4/27$796
This SWISS deal was found by Cheapflights users on 4/27. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/125:10 pmLHR - PDX
2 stops37h 26mSWISS
Sun 5/2511:00 amPDX - LHR
2 stops18h 00mSWISS
Deal found 4/27$798
This lol.travel deal was found by Cheapflights users on 4/27. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/83:40 pmLHR - PDX
Nonstop9h 55mFinnair
Thu 5/227:25 pmPDX - LHR
Nonstop9h 35mFinnair
Deal found 4/27$806

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 April 28, 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

Thu 5/15

1:05 pm-5:55 pm

1 stop12h 50m

Portland

Mon 5/26

3:20 pm-11:55 am

1 stop12h 35m

$717

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Fri 9/5

6:00 am-10:30 pm

2 stops24h 30m

Portland

Thu 9/18

1:01 pm-12:20 pm

1 stop15h 19m

$718

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Mon 5/12

8:30 am-6:45 pm

2 stops18h 15m

Portland

Thu 5/22

10:00 am-11:50 am

2 stops17h 50m

$722

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Mon 9/15

3:40 pm-5:35 pm

Nonstop9h 55m

Portland

Mon 9/29

7:25 pm-1:00 pm

Nonstop9h 35m

$730

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Sun 9/14

2:10 pm-10:56 pm

1 stop16h 46m

Portland

Sun 9/21

4:07 pm-12:20 pm

1 stop12h 13m

$736

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Fri 9/5

4:00 pm-11:49 am

2 stops27h 49m

Portland

Sat 9/20

6:15 am-11:50 am

2 stops21h 35m

$740

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Mon 5/12

6:30 am-11:20 am

1 stop12h 50m

Portland

Thu 5/22

5:40 pm-2:15 pm

1 stop12h 35m

$751

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Fri 9/5

3:40 pm-5:35 pm

Nonstop9h 55m

Portland

Thu 9/18

2:50 pm-4:05 pm

1 stop17h 15m

$761

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Fri 9/19

3:30 pm-11:04 pm

1 stop15h 34m

Portland

Sun 9/28

10:42 pm-6:20 am

2 stops23h 38m

$792

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Mon 5/12

5:10 pm-10:36 pm

2 stops37h 26m

Portland

Sun 5/25

11:00 am-1:00 pm

2 stops18h 00m

$798

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/26

Showing 1-10 of 22 results
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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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on London Heathrow Airport-Portland flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 April 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 $369). 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 April 28, 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 9% 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 April 28, 2025.

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

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 0.7 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Portland when rainfall is around 0.7 in.

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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 April 28, 2025.
Read reviews from past customers who have flown Delta, Finnair and SWISS from London to Portland. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,927 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,927 reviews
Delta
8.0
Very good
7,927 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,273 reviews
Delta
8.0
Very good
7,927 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,587 reviews
Delta
8.0
Very good
7,927 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,694 reviews
Delta
8.0
Very good
7,927 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Virgin Atlantic
7.4
Good
642 reviews
Delta
8.0
Very good
7,927 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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?

    Icelandair, at $717, was found to be the cheapest airline from London Heathrow Airport to Portland.Alternate airlines to your destination round-trip include Lufthansa and British Airways. Icelandair 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?

    $681 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 Aer Lingus, with prices starting from $710 and $747, 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 (76%), Alaska Airlines (76%) and Aer Lingus (76%).

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

    On average you can expect to pay $1,545 for a flight from London Heathrow Airport to Portland. The cheapest flight overall is $643 while the most popular route, (London Heathrow - Portland) is currently priced at $628.

  • 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 $369). 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 London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Beaverton
Lincoln City
Seaside
Clackamas
Vancouver
McMinnville
Lake Oswego
Hillsboro
Gresham
Astoria
Long Beach
Cannon Beach
Tigard
Hood River
Woodburn
Depoe Bay
Pacific City
Stevenson
Troutdale
Longview

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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 Medford flights
Heathrow to Boise flights
Luton to Portland flights
Stansted to Portland flights
Heathrow to Eugene flights
Heathrow to Redmond flights

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 April 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$701Average$793FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$733Average$993FlexibilityNo cancel feeOn-time70%
IberiaCheapest$801Average$1,227FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$818Average$1,155FlexibilityNo cancel feeOn-time71%

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