Q: How much does it cost for a return flight 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 £997 and £780 in August. The cheapest return flight price found within the last 3 days was £825 on United Airlines (1 Aug-19 Aug).

Question 1

What’s the fastest stopover option from London Heathrow Airport to Portland?

Accepted Answer

Flights via Amsterdam (AMS) have the shortest average one-way travel time for one-stop routes: 12h 50m.

Question 2

What’s the top stopover airport for flights from London Heathrow Airport to Portland?

Accepted Answer

Reykjavik (KEF) – chosen by Cheapflights users on 41% of one-stop itineraries from London Heathrow Airport to Portland on Cheapflights.

Question 3

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

Accepted Answer

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.

Question 4

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

Accepted Answer

Over the past year, British Airways have had the lowest number of delays on this route, with just 21% of flights being delayed.

Question 5

How often are flights from London to Portland delayed?

Accepted Answer

About 21% of weekly flights between London and Portland have experienced delays in the past year, with the average delay time being 120 minutes.

Question 6

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

Accepted Answer

Friday 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.

Question 7

What’s the cheapest stopover airport for flights from London Heathrow Airport to Portland?

Accepted Answer

Amsterdam (AMS) is the most affordable one-stop option, with an average return flight price of £518.

Question 8

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Portland?

Accepted Answer

Flights via Denver (DEN) offer the fastest connection on this route, with an average stopover time of 1h 14m.

Question 9

How much does it cost for a return flight from London Heathrow Airport to Portland?

Accepted Answer

Airfare is below average for this route at the moment.London Heathrow Airport to Portland flights typically cost between £997 and £780 in August.
The cheapest return flight price found within the last 3 days was £825 on United Airlines (1 Aug-19 Aug).

Question 10

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

Accepted Answer

Scandinavian Airlines and British Airways can get you from London Heathrow Airport to Portland in just under 20h 35m. Your travel time can differ by up to 49m. London Heathrow Airport and Portland are separated by a distance of 4896 mi. Both multi-stop and direct flights can be found to your destination and back.

Question 11

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

Accepted Answer

Currently priced at £452, Icelandair will fly you from London Heathrow Airport to Portland and back. In addition to Icelandair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Lufthansa and Air Canada - these airlines can fly you to your destination from £491 and £496, respectively. Users have found that Icelandair is 37% cheaper than the other options available to this destination.

Question 12

How far ahead should I book a flight from London Heathrow Airport to Portland?

Accepted Answer

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Portland, you should look to book at least 72 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.

Question 13

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

Accepted Answer

Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to Portland (average of £563). Flying from London Heathrow Airport to Portland in July is currently the most expensive (average of £974). 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.

Question 14

Weekly flight availability from London Heathrow Airport to Portland

Accepted Answer

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).

Question 15

E

Accepted Answer

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.

Question 16

E

Accepted Answer

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).

Question 17

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

Accepted Answer

Looking at all options, your cheapest flight can be booked for £540. While the most popular route (London Heathrow - Portland) can be booked for £596 on average, our data indicates £845 when flying from London Heathrow Airport to Portland.

Question 18

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

Accepted Answer

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 (77%), Alaska Airlines (77%), Aer Lingus( 77%).

Question 19

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

Accepted Answer

The most popular airlines flying from London Heathrow Airport to Portland are British Airways, Icelandair and American Airlines. Something to consider prior to booking your flight.

Question 20

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

Accepted Answer

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Portland as you normally would.

Question 21

What airport do you fly into for flights to Portland from London Heathrow?

Accepted Answer

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. 10 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.

Question 22

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

Accepted Answer

Yes. In addition to deals on Heathrow to Portland flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 23

How can I find direct flights from Heathrow to Portland?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Portland.

Question 24

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

Accepted Answer

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.

Question 25

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

Accepted Answer

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.

Question 26

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

Accepted Answer

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.

Question 27

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

Accepted Answer

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.

Question 28

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

Accepted Answer

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.

Round-trip from	£825
One-way from	£354
Popular in	July
Cheapest in	November
Average price	£899
Good round-trip deal	£768 or less
Good one-way deal	£668 or less

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£452	Average£635	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Lufthansa	Cheapest£491	Average£643	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Air Canada	Cheapest£496	Average£736	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
KLM	Cheapest£500	Average£831	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Virgin Atlantic	Cheapest£513	Average£720	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
United Airlines	Cheapest£515	Average£602	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
British Airways	Cheapest£542	Average£718	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
American Airlines	Cheapest£542	Average£803	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Finnair	Cheapest£560	Average£854	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Aer Lingus	Cheapest£783	Average£974	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights

Cheap flights from London Heathrow Airport to Portland from £354

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 14/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap 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 10 June 2026.

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 10 June 2026.

Best flights from Heathrow to PortlandDiscover carefully curated flight deals from Heathrow to Portland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 June 2026.

Discover carefully curated flight deals from Heathrow to Portland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 June 2026.

Direct flights from Heathrow to PortlandExplore direct flight options from Heathrow to Portland based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 June 2026.

Explore direct flight options from Heathrow to Portland based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 June 2026.

Last-minute flights from Heathrow to PortlandDiscover last-minute flight deals from Heathrow to Portland. Data last updated 10 June 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Portland. Data last updated 10 June 2026 and is based on user searches.

One-way flights from Heathrow to PortlandSearch for one-way flight options from Heathrow to Portland. Find affordable one-way fares based on user searches. Data last updated 10 June 2026.

Search for one-way flight options from Heathrow to Portland. Find affordable one-way fares based on user searches. Data last updated 10 June 2026.

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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 for a return flight from London Heathrow Airport to Portland?

Weekly flight availability 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?

What’s the top stopover airport for flights from London Heathrow Airport to Portland?

What’s the cheapest stopover airport for flights from London Heathrow Airport to Portland?

What’s the fastest stopover option from London Heathrow Airport to Portland?

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Portland?

Reviews of airlines servicing Portland

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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Heathrow and Portland flights

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Other flights from Heathrow

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Top 10 airlines flying from Heathrow to Portland

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

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

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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 10 June 2026.

Best flights from Heathrow to Portland
Discover carefully curated flight deals from Heathrow to Portland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 June 2026.

Direct flights from Heathrow to Portland
Explore direct flight options from Heathrow to Portland based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 June 2026.

Last-minute flights from Heathrow to Portland
Discover last-minute flight deals from Heathrow to Portland. Data last updated 10 June 2026 and is based on user searches.

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 10 June 2026.