What is the most punctual flight time for London to Portland flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

How often are flights from London to Portland delayed?

About 22% of weekly flights between London and Portland have experienced delays in the past year, with the average delay time being 125 minutes.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Portland flights?

Over the last year, Malaysia Airlines have had the lowest number of delays on this route, with just 18% of flights being delayed.

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

A quick flight from London Heathrow Airport to Portland can take about 12h 45m. Icelandair provides one of the quickest options available for as low as $761. 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 $707, 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.

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.

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).

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

On average you can expect to pay $753 for a flight from London Heathrow Airport to Portland. The cheapest flight overall is $581 while the most popular route, (London Heathrow - Portland) is currently priced at $716.

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 (63%), Alaska Airlines (63%) and Aer Lingus (63%).

What are the most popular airlines that fly from London Heathrow Airport to Portland?

British Airways, United Airlines and American Airlines are the most popular airlines when flying from London Heathrow Airport to Portland.

Most accurate provider : When it comes to deals on London Heathrow Airport-Portland flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on London Heathrow Airport-Portland flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

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 2 inbound flights from London Heathrow per day.

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.

$396+ Flights from London Heathrow Airport to Portland

Q: 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 $722 and $867 in November. The cheapest round-trip price found within the last 3 days was $701 on Icelandair (Nov 24-Dec 8).

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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

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Cheapflights Tip: The best prices from London Heathrow to Portland are usually found in September or November, booked 49 days in advance, depart on a Monday or Saturday and return on a Sunday

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 October 28, 2025.

Mon 11/2412:15 pmLHR - PDX

1 stop12h 45mIcelandair

Mon 12/82:45 pmPDX - LHR

1 stop20h 45mIcelandair

Deal found 10/26

$701

Mon 11/1012:15 pmLHR - PDX

1 stop12h 45mIcelandair

Thu 11/132:45 pmPDX - LHR

1 stop12h 05mIcelandair

Deal found 10/27

$722

Tue 12/28:35 pmLHR - PDX

1 stop28h 25mIcelandair

Tue 12/162:45 pmPDX - LHR

1 stop20h 45mIcelandair

Deal found 10/26

$726

Mon 11/2412:15 pmLHR - PDX

1 stop12h 45mIcelandair

Mon 12/12:45 pmPDX - LHR

1 stop12h 05mIcelandair

Deal found 10/27

$736

Wed 11/2612:15 pmLHR - PDX

1 stop12h 45mIcelandair

Thu 12/42:45 pmPDX - LHR

1 stop12h 05mIcelandair

Deal found 10/27

$737

Tue 11/258:35 pmLHR - PDX

1 stop28h 25mIcelandair

Tue 12/22:45 pmPDX - LHR

1 stop12h 05mIcelandair

Deal found 10/26

$738

Mon 11/1012:15 pmLHR - PDX

1 stop12h 45mIcelandair

Mon 11/172:45 pmPDX - LHR

1 stop12h 05mIcelandair

Deal found 10/28

$739

Sun 11/98:35 pmLHR - PDX

1 stop28h 25mIcelandair

Mon 11/172:45 pmPDX - LHR

1 stop12h 05mIcelandair

Deal found 10/28

$740

Mon 11/1012:15 pmLHR - PDX

1 stop12h 45mIcelandair

Sat 11/152:45 pmPDX - LHR

1 stop12h 05mIcelandair

Deal found 10/27

$748

Mon 11/242:30 pmLHR - PDX

1 stop26h 45mAir Canada

Mon 12/83:15 pmPDX - LHR

1 stop12h 35mAir Canada

Deal found 10/26

$756

Best flights from Heathrow to Portland
Discover carefully curated flight deals from Heathrow to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 28, 2025.

Wed 11/2612:15 pmLHR - PDX

1 stop12h 45mIcelandair

Mon 12/12:45 pmPDX - LHR

1 stop12h 05mIcelandair

Deal found 10/28

$761

Mon 12/88:30 amLHR - PDX

2 stops21h 45mUnited Airlines

Mon 12/157:00 amPDX - LHR

1 stop14h 55mUnited Airlines

Deal found 10/27

$791

Mon 12/811:55 amLHR - PDX

1 stop17h 29mBritish Airways

Mon 12/155:45 pmPDX - LHR

Nonstop9h 35mBritish Airways

Deal found 10/27

$805

Mon 12/86:30 amLHR - PDX

1 stop12h 55mDelta

Sun 12/1412:32 amPDX - LHR

1 stop22h 33mDelta

Deal found 10/27

$820

Wed 3/1112:15 pmLHR - PDX

1 stop12h 45mIcelandair

Thu 3/263:45 pmPDX - LHR

1 stop20h 45mIcelandair

Deal found 10/26

$770

Wed 11/262:30 pmLHR - PDX

1 stop26h 45mUnited Airlines

Wed 1/219:50 amPDX - LHR

1 stop18h 00mUnited Airlines

Deal found 10/26

$815

Sun 3/1511:45 amLHR - PDX

1 stop31h 40mDelta

Wed 3/259:40 amPDX - LHR

2 stops17h 35mDelta

Deal found 10/26

$826

Sun 3/158:35 pmLHR - PDX

1 stop28h 25mIcelandair

Thu 3/263:45 pmPDX - LHR

1 stop20h 45mIcelandair

Deal found 10/26

$772

Fri 3/612:15 pmLHR - PDX

1 stop12h 45mIcelandair

Tue 3/103:45 pmPDX - LHR

1 stop12h 05mIcelandair

Deal found 10/26

$793

Sat 11/228:35 pmLHR - PDX

1 stop28h 25mIcelandair

Sat 11/292:45 pmPDX - LHR

1 stop12h 05mIcelandair

Deal found 10/28

$829

Last-minute flights from Heathrow to Portland
Discover last-minute flight deals from Heathrow to Portland. Data last updated October 28, 2025 and is based on user searches.

Sun 11/98:35 pmLHR - PDX

1 stop28h 25mIcelandair

Mon 11/172:45 pmPDX - LHR

1 stop12h 05mIcelandair

Deal found 10/28

$740

Mon 11/1012:15 pmLHR - PDX

1 stop12h 45mIcelandair

Tue 11/182:45 pmPDX - LHR

1 stop12h 05mIcelandair

Deal found 10/28

$722

Mon 11/1012:15 pmLHR - PDX

1 stop12h 45mIcelandair

Thu 11/132:45 pmPDX - LHR

1 stop12h 05mIcelandair

Deal found 10/28

$723

Mon 11/1012:15 pmLHR - PDX

1 stop12h 45mIcelandair

Mon 11/172:45 pmPDX - LHR

1 stop12h 05mIcelandair

Deal found 10/28

$739

Mon 11/1012:15 pmLHR - PDX

1 stop12h 45mIcelandair

Sat 11/152:45 pmPDX - LHR

1 stop12h 05mIcelandair

Deal found 10/27

$748

Mon 11/2412:15 pmLHR - PDX

1 stop12h 45mIcelandair

Mon 12/82:45 pmPDX - LHR

1 stop20h 45mIcelandair

Deal found 10/26

$701

Mon 11/2412:15 pmLHR - PDX

1 stop12h 45mIcelandair

Mon 12/12:45 pmPDX - LHR

1 stop12h 05mIcelandair

Deal found 10/27

$736

Mon 11/241:25 pmLHR - PDX

2 stops27h 50mAir Canada

Mon 12/89:50 amPDX - LHR

1 stop18h 00mAir Canada

Deal found 10/26

$756

Tue 11/258:35 pmLHR - PDX

1 stop28h 25mIcelandair

Tue 12/22:45 pmPDX - LHR

1 stop12h 05mIcelandair

Deal found 10/26

$738

Wed 11/2612:15 pmLHR - PDX

1 stop12h 45mIcelandair

Thu 12/42:45 pmPDX - LHR

1 stop12h 05mIcelandair

Deal found 10/27

$737

One-way flights from Heathrow to Portland
Search for one-way flight options from Heathrow to Portland. Find affordable one-way fares based on user searches. Data last updated October 28, 2025.

Thu 12/119:55 amLHR - PDX

2 stops38h 42mMultiple Airlines

Deal found 10/26

$396

Thu 1/226:40 amLHR - PDX

3 stops37h 25mMultiple Airlines

Deal found 10/28

$440

Mon 1/266:50 pmLHR - PDX

2 stops57h 58mMultiple Airlines

Deal found 10/28

$466

Thu 11/203:15 pmLHR - PDX

3 stops48h 49mMultiple Airlines

Deal found 10/28

$482

Sun 1/259:55 amLHR - PDX

3 stops34h 43mMultiple Airlines

Deal found 10/28

$497

Tue 11/188:35 pmLHR - PDX

1 stop28h 25mIcelandair

Deal found 10/26

$505

Sun 12/149:55 amLHR - PDX

3 stops55h 55mMultiple Airlines

Deal found 10/27

$508

Fri 11/212:50 pmLHR - PDX

2 stops25h 14mMultiple Airlines

Deal found 10/28

$523

Fri 12/1212:25 pmLHR - PDX

3 stops55h 31mMultiple Airlines

Deal found 10/28

$530

Cheap flight deals from Heathrow to Portland

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$701 (Ticket)
One-way from	$396 (Kiwi.com)
Popular in	July
Cheapest in	September
Average price	$820
Good round-trip deal	$737 or less
Good one-way deal	$629 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. 16% potential increase in price ($175 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2025

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

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

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Wed 11/26

12:15 pm-5:00 pm

1 stop12h 45m

Portland

Mon 12/1

2:45 pm-10:50 am

1 stop12h 05m

$761

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Wed 3/11

12:15 pm-6:00 pm

1 stop12h 45m

Portland

Thu 3/26

3:45 pm-7:30 pm

1 stop20h 45m

$770

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Sun 3/15

8:35 pm-6:00 pm

1 stop28h 25m

Portland

Thu 3/26

3:45 pm-7:30 pm

1 stop20h 45m

$772

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Mon 12/8

8:30 am-10:15 pm

2 stops21h 45m

Portland

Mon 12/15

7:00 am-5:55 am

1 stop14h 55m

$791

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Fri 3/6

12:15 pm-5:00 pm

1 stop12h 45m

Portland

Tue 3/10

3:45 pm-10:50 am

1 stop12h 05m

$793

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Mon 12/8

11:55 am-9:24 pm

1 stop17h 29m

Portland

Mon 12/15

5:45 pm-11:20 am

Nonstop9h 35m

$805

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Wed 11/26

2:30 pm-9:15 am

1 stop26h 45m

Portland

Wed 1/21

9:50 am-11:50 am

1 stop18h 00m

$815

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Mon 12/8

6:30 am-11:25 am

1 stop12h 55m

Portland

Sun 12/14

12:32 am-7:05 am

1 stop22h 33m

$820

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Sun 3/15

11:45 am-12:25 pm

1 stop31h 40m

Portland

Wed 3/25

9:40 am-10:15 am

2 stops17h 35m

$826

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Sat 11/22

8:35 pm-5:00 pm

1 stop28h 25m

Portland

Sat 11/29

2:45 pm-10:50 am

1 stop12h 05m

$829

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 21 results

Compare providers for flights from Heathrow to Portland

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Heathrow to Portland in October.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
AranGrant	Price Accuracy2 stars	Trust Score*3 stars
Thrive Travel	Price Accuracy3 stars	Trust Score*1 star

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on London Heathrow Airport-Portland flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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

Prices

Delays

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 49 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 $619). Flying from London Heathrow Airport to Portland in July is currently the most expensive (average of $753). 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?

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 evening could potentially save you up to 27% on airfare.

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

The best insider tips for London Heathrow Airport to Portland flights

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.

PDX

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

Our travel experts

Brandon Schultz

Expert on PDX

Ramsey Qubein

Expert on LHR

Reviews of airlines servicing Portland

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

8,996 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

United Airlines

7.4

Good

8,996 reviews

United Airlines

7.4

Good

8,996 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

American Airlines

7.2

Good

11,033 reviews

United Airlines

7.4

Good

8,996 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

British Airways

6.7

Okay

7,481 reviews

United Airlines

7.4

Good

8,996 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

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 2 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 12h 45m. Icelandair provides one of the quickest options available for as low as $761. 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 $707, 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 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 (63%), Alaska Airlines (63%) and Aer Lingus (63%).
What are the cheapest flights from London Heathrow Airport to Portland?
On average you can expect to pay $753 for a flight from London Heathrow Airport to Portland. The cheapest flight overall is $581 while the most popular route, (London Heathrow - Portland) is currently priced at $716.
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 $619). Flying from London Heathrow Airport to Portland in July is currently the most expensive (average of $753). 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.

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Other flights to Portland

Top 3 airlines flying from Heathrow to Portland

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$707	Average$823	FlexibilityNo cancel fee	On-time69%
British Airways	Cheapest$715	Average$906	FlexibilityNo cancel fee	On-time70%
American Airlines	Cheapest$737	Average$953	FlexibilityNo cancel fee	On-time71%

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$396+ 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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Heathrow to Portland with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from London Heathrow to Portland are usually found in September or November, booked 49 days in advance, depart on a Monday or Saturday and return on a Sunday

Find flight deals from Heathrow to Portland

Cheapest flights from Heathrow to PortlandExplore 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 October 28, 2025.

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 October 28, 2025.

Cheap flight deals from Heathrow to Portland

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

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

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 October.

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.

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?

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

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

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

How often are flights from London to Portland delayed?

What is the most punctual flight time for London to Portland flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on London to Portland flights?

The best insider tips for London Heathrow Airport to Portland flights

Cheapflights partnered with top experts to bring you the best recommendations for your London Heathrow Airport to Portland trip

Airports

LHR

PDX

Our travel experts

Reviews of airlines servicing Portland

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.

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?

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

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

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

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

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

How can I find direct flights from Heathrow to Portland?

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

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

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Alternative routes for Heathrow to Portland

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Top 3 airlines flying from Heathrow to Portland

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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 October 28, 2025.