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Cheap Flights from London Heathrow to Portland

Compare London Heathrow to Portland flight deals

Find the cheapest month or even day of the year to fly to Portland

Book the best Portland fare with no extra fees

Flight deals from London Heathrow Airport to Portland Airport

Looking for a cheap last-minute deal or the best return flight from London Heathrow Airport to Portland Airport? If you want to travel next month, return fares start from R 10,198. Find the lowest prices on one-way and return tickets right here.
Portland.R 5,951 per passenger.Departing Mon, 13 Apr.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Mon, 13 Apr, arriving in Portland.Price includes taxes and charges.From R 5,951, select.
Portland.R 7,223 per passenger.Departing Mon, 18 May.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Mon, 18 May, arriving in Portland.Price includes taxes and charges.From R 7,223, select.
Portland.R 8,042 per passenger.Departing Mon, 8 Jun.One-way flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from London Heathrow on Mon, 8 Jun, arriving in Portland.Price includes taxes and charges.From R 8,042, select.
Portland.R 8,084 per passenger.Departing Mon, 16 Mar.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Mon, 16 Mar, arriving in Portland.Price includes taxes and charges.From R 8,084, select.
Portland.R 8,360 per passenger.Departing Mon, 25 Jan.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Heathrow on Mon, 25 Jan, arriving in Portland.Price includes taxes and charges.From R 8,360, select.
Portland.R 8,368 per passenger.Departing Mon, 8 Feb.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Heathrow on Mon, 8 Feb, arriving in Portland.Price includes taxes and charges.From R 8,368, select.
Portland.R 8,436 per passenger.Departing Tue, 1 Sep.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Heathrow on Tue, 1 Sep, arriving in Portland.Price includes taxes and charges.From R 8,436, select.
Portland.R 8,738 per passenger.Departing Tue, 25 Aug.One-way flight with Eurowings.Outbound indirect flight with Eurowings, departs from London Heathrow on Tue, 25 Aug, arriving in Portland.Price includes taxes and charges.From R 8,738, select.
Portland.R 9,437 per passenger.Departing Mon, 25 Jan.One-way flight with Finnair.Outbound direct flight with Finnair departs from London Heathrow on Mon, 25 Jan, arriving in Portland.Price includes taxes and charges.From R 9,437, select.
Portland.R 9,446 per passenger.Departing Mon, 8 Feb.One-way flight with Finnair.Outbound direct flight with Finnair departs from London Heathrow on Mon, 8 Feb, arriving in Portland.Price includes taxes and charges.From R 9,446, select.
Portland.R 9,587 per passenger.Departing Wed, 6 May.One-way flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Wed, 6 May, arriving in Portland.Price includes taxes and charges.From R 9,587, select.
Portland.R 9,591 per passenger.Departing Tue, 1 Sep.One-way flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Tue, 1 Sep, arriving in Portland.Price includes taxes and charges.From R 9,591, select.
Portland.R 9,996 per passenger.Departing Mon, 13 Jul.One-way flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from London Heathrow on Mon, 13 Jul, arriving in Portland.Price includes taxes and charges.From R 9,996, select.
Portland.R 10,193 per passenger.Departing Fri, 16 Oct.One-way flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from London Heathrow on Fri, 16 Oct, arriving in Portland.Price includes taxes and charges.From R 10,193, select.
Portland.R 10,479 per passenger.Departing Tue, 28 Apr.One-way flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Tue, 28 Apr, arriving in Portland.Price includes taxes and charges.From R 10,479, select.
Portland.R 11,163 per passenger.Departing Tue, 15 Dec.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from London Heathrow on Tue, 15 Dec, arriving in Portland.Price includes taxes and charges.From R 11,163, select.

Find the cheapest month to fly from London Heathrow to Portland

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Heathrow to Portland flights are currently cheapest in April.
Mar
from R 8,084
Apr
from R 5,951
May
from R 7,223
Jun
from R 8,042
Jul
from R 9,996
Aug
from R 8,738
Sep
from R 8,436
Oct
from R 10,193
Nov
Find prices
Dec
from R 11,163
Jan
from R 8,360
Feb
from R 8,368

Direct flights from London Heathrow to Portland

London Heathrow to Portland: Alternative routes

Compare routes from London Heathrow to Portland below. You may find an airport to fly into that's cheaper, faster, or easier than Portland.

Portland

10km from central Portland
ClosestCheapest
from R 5,951
Search flights

Salem

72km from central Portland
Search flights

London to Portland: Flight information

The things to know before you go.
Cheapest flight foundR 5,951
Cheapest month to flyApril
Average flight time10 hrs, 7 mins
Most popular airlineAer Lingus
Average flights per week66

Finding cheap flights from London Heathrow to Portland: Frequently asked questions

The best price we found for a return flight from London Heathrow to Portland is R 10,198. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
10 hours and 7 minutes is the average flight time from London Heathrow to Portland.
Aer Lingus, Alaska Airlines and Finnair fly direct from London Heathrow to Portland.
As of March 2026, there are 66 flights per week flying from London Heathrow to Portland.
The cheapest month to fly from London Heathrow to Portland is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Portland Airport on Monday, 13 April 2026.
Yes – the average flight time is 10 hours and 7 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Portland but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Portland is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Vueling Airlines and British Airways offer the cheapest flight tickets to Portland.

Travelling from London Heathrow Airport (LHR) to Portland International Airport (PDX): what you need to know

  • Book a direct flight from London Heathrow Airport to Portland International Airport and you'll be in the air for an average of 10 hours 5 minutes.

  • Portland's timezone is UTC-7, which makes Portland seven hours behind London.

  • Choose from eight weekly London Heathrow Airport to Portland International Airport flights. The 14:20 departure with British Airways is the earliest you can take. British Airways operates the latest service of the day at 15:30.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for stress-free travel. Be at the airport on time to board your LHR to PDX flight.

  • Flying during a peak month such as July? Major public holidays and other popular periods can mean longer lines at security. Play things extra safe and get there up to four hours before international flights and two hours before domestic departures.

  • British Airways has direct flights from London Heathrow Airport to Portland International Airport. Book with this popular airline, then get ready to tick off the sights in Portland — and maybe even more of United States if you have time.

  • Most passengers choose to travel with British Airways on this route.

  • British Airways is the most punctual carrier offering LHR to PDX flights, with 68.57% of its services arriving as planned.

  • We make it a piece of cake to book a flight with a stopover. To see all your options for tickets from London Heathrow Airport to Portland International Airport, deselect 'Direct flights only.' Then, choose a flight that has a stop long enough to tour your chosen city. Worthwhile stopovers between LHR and PDX include:

    • Seattle-Tacoma International Airport

    • Vancouver International Airport

    • Keflavik International Airport

How to find the cheapest flights from London Heathrow Airport (LHR) to Portland International Airport (PDX)

  • Currently, R 5,951 is the cheapest price we've found for a one-way London Heathrow Airport to Portland International Airport flight. The best price for a return plane ticket is R 10,198. Bear in mind that fares can change due to demand at the time of booking.

  • Book six months before flying. After crunching the numbers on our calendar, this is how far you should book ahead to find cheap tickets from LHR to PDX.

  • May is the cheapest month for flights from London Heathrow Airport to Portland International Airport. If you're looking to fly during a different time of year, the 'Whole month' tool will give you the lowest prices for each month.

  • Never miss a deal on cheap flights from LHR to PDX by creating a Price Alert. You'll get an email or notification on the app when a lower fare pops up.

  • Tailor your flights with filters. Select your preferred arrival and departure times, airlines and total journey duration. You can also sort results by 'Cheapest,' 'Best' or 'Fastest' flights from London Heathrow Airport to Portland International Airport.

Handy information about London Heathrow Airport (LHR)

  • Of the flights that depart from London Heathrow Airport, 68.18% land on time at their destination.

  • To get to London Heathrow Airport from central London, it'll take around 55 minutes if you're going by car. Of course, this depends on traffic. It's approximately 31 kilometres from the airport to the city centre.

  • Expect a journey time of about 1 hour when using public transport.

  • Catching an early flight from London Heathrow Airport to Portland International Airport? Avoid rushing to the terminal (and enjoy a little extra shut-eye) by choosing one of these hotels near LHR:

Arriving at Portland International Airport (PDX)

Getting from Portland International Airport (PDX) to central Portland

  • PDX is located at 7000 NE Airport Way.

  • Portland International Airport to the centre of Portland has a drive time of about 20 minutes. It's approximately 19 kilometres away.

  • Getting there by public transport takes roughly 45 minutes.

When to fly to Portland International Airport (PDX)

  • The quietest month for a flight from London Heathrow Airport to Portland International Airport is May, while July is the busiest. Pick the ideal time to go to Portland based on whether you prefer a more relaxed vibe or a faster pace.

  • Book your flight from London Heathrow Airport to Portland International Airport for August if you want to visit Portland during its warmest month. Expect temperatures of between 12ºC (54ºF) and 31ºC (88ºF).

  • If you like travelling in cooler conditions, search for a cheap ticket from LHR to PDX in December. Temperatures average between 0ºC (32ºF) and 9ºC (48ºF) then.

Explore more of United States

  • Seattle is just one of the many cities in United States waiting to be explored after you've experienced Portland. Around 241 kilometres away to the north, check out popular attractions including Greyhound: Bus Station, LMN Architects and Boeing Radiation Effects Lab.

  • If there's time to check out another side of United States, head for Spokane, roughly 467 kilometres north-east of Portland. Manito Park, Northwest Museum of Arts & Culture and Spokane Falls are the start of reasons to visit.

Plan the rest of your trip from London to Portland

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.