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$569+ 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 6/26. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PDX
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 Monday 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 June 12, 2025.

Round-trip from

$737
(Gotogate)

One-way from

$569
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$941

Good round-trip deal

$825 or less

Good one-way deal

$705 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. 15% potential increase in price ($171 potential increase over avg. RT price).
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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 June 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 June 12, 2025.

This Gotogate deal was found by Cheapflights users on 6/12. 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.
Tue 8/269:25 pmLHR - PDX
1 stop28h 30mIcelandair
Sat 9/63:20 pmPDX - LHR
1 stop21h 00mIcelandair
Deal found 6/12$737
This Netflights deal was found by Cheapflights users on 6/10. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/173:10 pmLHR - PDX
1 stop15h 48mBritish Airways
Thu 6/2610:29 amPDX - LHR
1 stop12h 51mBritish Airways
Deal found 6/10$738
This Expedia deal was found by Cheapflights users on 6/11. 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.
Wed 6/186:30 amLHR - PDX
1 stop12h 50mVirgin Atlantic
Tue 7/85:45 pmPDX - LHR
1 stop12h 30mVirgin Atlantic
Deal found 6/11$739
This TravelUp deal was found by Cheapflights users on 6/11. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/216:30 amLHR - PDX
1 stop12h 55mKLM
Fri 12/51:37 pmPDX - LHR
1 stop13h 23mKLM
Deal found 6/11$742
This Trip.com deal was found by Cheapflights users on 6/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/209:55 amLHR - PDX
1 stop17h 15mMultiple Airlines
Sat 9/205:35 pmPDX - LHR
2 stops42h 25mMultiple Airlines
Deal found 6/11$746
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Wed 9/243:40 pmLHR - PDX
Nonstop9h 55mAmerican Airlines
Sat 10/47:25 pmPDX - LHR
Nonstop9h 35mAmerican Airlines
Deal found 6/12$748
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/256:30 amLHR - PDX
1 stop12h 50mDelta
Sun 4/269:45 pmPDX - LHR
1 stop25h 00mDelta
Deal found 6/11$758
This Expedia deal was found by Cheapflights users on 6/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2511:30 amLHR - PDX
2 stops17h 29mAir France
Tue 9/307:00 amPDX - LHR
2 stops19h 30mAir France
Deal found 6/10$771
This Finnair deal was found by Cheapflights users on 6/12. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/244:25 pmLHR - PDX
1 stop34h 30mFinnair
Sun 10/57:25 pmPDX - LHR
Nonstop9h 35mFinnair
Deal found 6/12$788
This Iberia deal was found by Cheapflights users on 6/10. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1812:00 pmLHR - PDX
1 stop17h 25mIberia
Mon 9/222:06 pmPDX - LHR
1 stop16h 19mIberia
Deal found 6/10$791
This SWISS deal was found by Cheapflights users on 6/10. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/156:40 pmLHR - PDX
2 stops32h 06mSWISS
Tue 9/238:30 amPDX - LHR
2 stops25h 20mSWISS
Deal found 6/10$792
This The Travel House deal was found by Cheapflights users on 6/10. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/296:40 pmLHR - PDX
2 stops33h 56mScandinavian Airlines
Tue 9/301:00 pmPDX - LHR
2 stops43h 00mScandinavian Airlines
Deal found 6/10$795

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 June 12, 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 8/26

9:25 pm-5:55 pm

1 stop28h 30m

Portland

Sat 9/6

3:20 pm-8:20 pm

1 stop21h 00m

$737

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Wed 9/3

10:30 am-6:54 pm

1 stop16h 24m

Portland

Mon 9/8

2:06 pm-12:30 pm

1 stop14h 24m

$738

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Tue 8/26

9:50 am-1:05 pm

3 stops35h 15m

Portland

Sat 9/6

1:45 pm-9:05 am

3 stops35h 20m

$739

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Fri 11/21

6:30 am-11:25 am

1 stop12h 55m

Portland

Fri 12/5

1:37 pm-11:00 am

1 stop13h 23m

$742

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Fri 9/26

8:55 pm-11:20 am

1 stop22h 25m

Portland

Fri 10/3

7:00 am-6:25 am

1 stop15h 25m

$743

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Wed 9/24

3:40 pm-5:35 pm

Nonstop9h 55m

Portland

Sat 10/4

7:25 pm-1:00 pm

Nonstop9h 35m

$748

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Wed 6/25

6:30 am-11:20 am

1 stop12h 50m

Portland

Sun 4/26

9:45 pm-6:45 am

1 stop25h 00m

$758

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Mon 8/25

11:30 am-8:59 pm

2 stops17h 29m

Portland

Tue 9/30

7:00 am-10:30 am

2 stops19h 30m

$771

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Wed 9/24

4:25 pm-6:55 pm

1 stop34h 30m

Portland

Sun 10/5

7:25 pm-1:00 pm

Nonstop9h 35m

$788

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Thu 9/18

12:00 pm-9:25 pm

1 stop17h 25m

Portland

Mon 9/22

2:06 pm-2:25 pm

1 stop16h 19m

$791

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 23 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 June 9, 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 June 12, 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 16% 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 June 12, 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 June 12, 2025.
Read reviews from past customers who have flown Delta, KLM and Finnair 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
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,623 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $737, was found to be the cheapest airline from London Heathrow Airport to Portland.Alternate airlines to your destination round-trip include British Airways and KLM. Icelandair is currently priced 18% 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?

    $683 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on WestJet and Icelandair, with prices starting from $693 and $694, 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 (85%), Alaska Airlines (85%) and Aer Lingus (85%).

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

    On average you can expect to pay $1,718 for a flight from London Heathrow Airport to Portland. The cheapest flight overall is $613 while the most popular route, (London Heathrow - Portland) is currently priced at $482.

  • 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 London Heathrow Airport?

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

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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
Stansted to Portland flights
Luton to Portland flights
Heathrow to Boise flights
Heathrow to Medford 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$701Average$823FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$733Average$938FlexibilityNo cancel feeOn-time70%
IberiaCheapest$784Average$1,198FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$818Average$1,155FlexibilityNo cancel feeOn-time71%

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