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Cheap flights from London Heathrow Airport to Portland from £393

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 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PDX
27 Feb — 6 Mar1
1 adult

The best prices from London Heathrow to Portland are usually found in November or March, booked 18 days in advance, depart on a Tuesday or Wednesday and return on a Friday

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 22 February 2025.

Round-trip from

£541

One-way from

£393

Popular in

August

Cheapest in

November

Average price

£650

Good round-trip deal

£622 or less

Good one-way deal

£662 or less
20/3-30/3
  • 20/3-30/3
  • 2 total stops
  • 38h 09m total
  • London to Portland
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18/3
  • 18/3
  • 2 total stops
  • 30h 11m total
  • London to Portland
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Highest demand for flights based on searches. 15% potential increase in price (£106 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
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Average for round-trip flights in February 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 22 February 2025.

Thu 27/207:40LHR - PDX
2 stops33h 13mUnited Airlines
Thu 6/313:39PDX - LHR
2 stops15h 51mUnited Airlines
Deal found 20/2£541
Sat 19/414:10LHR - PDX
1 stop16h 00mLufthansa
Sat 3/507:00PDX - LHR
1 stop15h 20mLufthansa
Deal found 21/2£544
Mon 21/414:10LHR - PDX
1 stop16h 00mMultiple Airlines
Wed 30/406:00PDX - LHR
2 stops20h 00mMultiple Airlines
Deal found 21/2£546
Fri 21/313:00LHR - PDX
1 stop12h 24mAir Canada
Fri 28/306:00PDX - LHR
1 stop21h 10mAir Canada
Deal found 19/2£562
Tue 22/415:40LHR - PDX
Nonstop9h 55mAmerican Airlines
Tue 29/411:57PDX - LHR
1 stop14h 53mAmerican Airlines
Deal found 21/2£571
Tue 22/415:40LHR - PDX
Nonstop9h 55mBritish Airways
Tue 29/413:25PDX - LHR
1 stop14h 50mBritish Airways
Deal found 20/2£572
Mon 24/306:30LHR - PDX
2 stops19h 16mDelta
Mon 31/311:30PDX - LHR
2 stops15h 00mDelta
Deal found 21/2£576
Tue 22/415:40LHR - PDX
Nonstop9h 55mIberia
Tue 29/419:25PDX - LHR
Nonstop9h 35mIberia
Deal found 21/2£579
Sat 12/414:45LHR - PDX
1 stop15h 36mFinnair
Sat 3/519:25PDX - LHR
Nonstop9h 35mFinnair
Deal found 20/2£593
Wed 2/406:30LHR - PDX
1 stop12h 50mKLM
Wed 9/413:29PDX - LHR
1 stop12h 21mKLM
Deal found 20/2£607
Tue 27/513:05LHR - PDX
1 stop12h 50mIcelandair
Sat 7/615:20PDX - LHR
1 stop12h 35mIcelandair
Deal found 20/2£610
Tue 15/420:55LHR - PDX
1 stop22h 25mVirgin Atlantic
Thu 24/417:15PDX - LHR
1 stop13h 00mVirgin Atlantic
Deal found 20/2£653

Find flights from Heathrow to Portland within your budget

Customise 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 858,174 searches. Data last updated 22 February 2025.

Fly from

Heathrow

Fly to

Portland

Route

Depart

Return

Price

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Thu 20/3

09:30-21:00

2 stops18h 30m

Portland

Thu 27/3

22:53-20:35

1 stop14h 42m

£541

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Fri 21/3

08:30-21:00

2 stops19h 30m

Portland

Fri 28/3

23:27-05:55

1 stop23h 28m

£542

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Mon 21/4

14:10-22:10

1 stop16h 00m

Portland

Wed 30/4

06:00-10:00

2 stops20h 00m

£546

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Sat 19/4

10:15-22:10

2 stops19h 55m

Portland

Sat 3/5

10:10-11:50

2 stops17h 40m

£552

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Tue 22/4

15:40-17:35

Nonstop9h 55m

Portland

Tue 29/4

11:57-10:50

1 stop14h 53m

£571

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Tue 22/4

15:40-17:35

Nonstop9h 55m

Portland

Tue 29/4

13:25-12:15

1 stop14h 50m

£572

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Mon 24/3

06:30-18:46

2 stops19h 16m

Portland

Mon 31/3

11:30-10:30

2 stops15h 00m

£576

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Thu 1/5

15:40-17:35

Nonstop9h 55m

Portland

Tue 6/5

19:25-13:00

Nonstop9h 35m

£584

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Sat 12/4

14:45-22:21

1 stop15h 36m

Portland

Sat 3/5

19:25-13:00

Nonstop9h 35m

£593

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Wed 2/4

06:30-11:20

1 stop12h 50m

Portland

Wed 9/4

13:29-09:50

1 stop12h 21m

£607

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 26 results
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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 return 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.

Travel insights for flights from Heathrow to Portland

Get recent, data-driven insights about flights from Heathrow to Portland including ideal travel times, pricing trends, and more.

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 return flight from Heathrow to Portland. Price data was last updated on 14 February 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 18 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Portland (average of £736). Flying from London Heathrow Airport to Portland in July is currently the most expensive (average of £1,048). 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 22 February 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 afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 21% on airfare.

What is the cheapest day to fly from London Heathrow Airport to Portland?

Use this chart to determine the cheapest time to fly return from Heathrow to Portland. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London Heathrow Airport to Portland flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 18.0 - 142.0 inches per month. November is typically the wettest month, when rainfall can reach 142.0 mm. July is typically the driest time to visit Portland when rainfall is around 18.0 mm.

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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

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 22 February 2025.
Read through reviews of airlines operating flights from London to Portland, such as Delta, KLM and Finnair. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
8,213 reviews
Check prices

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

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
8,213 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

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

KLM
7.8
Good
1,331 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

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
1,271 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

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

Air France
7.4
Good
1,449 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

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
8,759 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

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. 9 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 3 inbound flights from London Heathrow per day.

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

    Currently priced at £542, Lufthansa will fly you from London Heathrow Airport to Portland and back. In addition to Lufthansa, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Air Canada - these airlines can fly you to your destination from £543 and £564, respectively. Users have found that Lufthansa is 25% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from London Heathrow Airport to Portland one-way?

    The cheapet airlines for a one-way flight from London Heathrow Airport to Portland are WestJet (£478), British Airways (£604), and Lufthansa (£619).

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

    Before booking your flight to Portland from London Heathrow Airport, check out the most reliable airlines to get you to your destination on time: American Airlines (78%), Alaska Airlines (78%), Finnair( 78%).

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

    Looking at all options, your cheapest flight can be booked for £544. While the most popular route (London Heathrow - Portland) can be booked for £515 on average our data indicates £963 when flying from London Heathrow Airport to Portland.

  • 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 holiday 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Portland (average of £736). Flying from London Heathrow Airport to Portland in July is currently the most expensive (average of £1,048). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Cannon Beach
Lincoln City

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Top 9 airlines flying from Heathrow to Portland

Discover the top 9 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 858,174 searches. Data last updated 22 February 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£478Average£645FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
FinnairCheapest£520Average£665FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Air CanadaCheapest£522Average£593FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Virgin AtlanticCheapest£541Average£697FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
United AirlinesCheapest£546Average£650FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£550Average£755FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£563Average£654FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IberiaCheapest£569Average£836FlexibilityNo cancel feeOn-time77%
Search Iberia flights
KLMCheapest£582Average£717FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Heathrow to Portland?

Cheapflights helps you search for flights from Heathrow to Portland via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Portland?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Portland for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Heathrow to Portland with no change fees?

Yes, we can. To see specific flights from Heathrow to Portland with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Heathrow to Portland become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Portland from Heathrow today and book when prices fit your budget.

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