Flight tickets from Portland (PDX) to London Heathrow (LHR) from ₹ 28,455

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Compare Portland to London Heathrow flight deals

Find the cheapest month or even day of the year to fly to London Heathrow

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Flight deals from Portland to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Portland Airport to London Heathrow Airport? If you want to travel next month, return fares start from ₹ 74,124. Find the lowest prices on one-way and return tickets right here.

London.₹ 28,455 per passenger.Departing Sat, 3 Oct.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Portland on Sat, 3 Oct, arriving in London Heathrow.Price includes taxes and charges.From ₹ 28,455, select.

London.₹ 28,455 per passenger.Departing Tue, 3 Nov.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Portland on Tue, 3 Nov, arriving in London Heathrow.Price includes taxes and charges.From ₹ 28,455, select.

London.₹ 28,910 per passenger.Departing Mon, 1 Mar.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Portland on Mon, 1 Mar, arriving in London Heathrow.Price includes taxes and charges.From ₹ 28,910, select.

London.₹ 28,910 per passenger.Departing Fri, 8 Jan.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Portland on Fri, 8 Jan, arriving in London Heathrow.Price includes taxes and charges.From ₹ 28,910, select.

London.₹ 29,481 per passenger.Departing Mon, 7 Dec.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Portland on Mon, 7 Dec, arriving in London Heathrow.Price includes taxes and charges.From ₹ 29,481, select.

London.₹ 29,887 per passenger.Departing Sun, 11 Apr.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Portland on Sun, 11 Apr, arriving in London Heathrow.Price includes taxes and charges.From ₹ 29,887, select.

London.₹ 29,943 per passenger.Departing Tue, 4 May.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Portland on Tue, 4 May, arriving in London Heathrow.Price includes taxes and charges.From ₹ 29,943, select.

London.₹ 30,631 per passenger.Departing Tue, 6 Oct.One-way flight with Iberia.Outbound direct flight with Iberia departs from Portland on Tue, 6 Oct, arriving in London Heathrow.Price includes taxes and charges.From ₹ 30,631, select.

London.₹ 30,637 per passenger.Departing Sun, 28 Mar.One-way flight with British Airways.Outbound direct flight with British Airways departs from Portland on Sun, 28 Mar, arriving in London Heathrow.Price includes taxes and charges.From ₹ 30,637, select.

London.₹ 30,637 per passenger.Departing Sun, 3 Jan.One-way flight with British Airways.Outbound direct flight with British Airways departs from Portland on Sun, 3 Jan, arriving in London Heathrow.Price includes taxes and charges.From ₹ 30,637, select.

London.₹ 30,637 per passenger.Departing Sun, 1 Nov.One-way flight with British Airways.Outbound direct flight with British Airways departs from Portland on Sun, 1 Nov, arriving in London Heathrow.Price includes taxes and charges.From ₹ 30,637, select.

London.₹ 30,844 per passenger.Departing Sun, 20 Sep.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Portland on Sun, 20 Sep, arriving in London Heathrow.Price includes taxes and charges.From ₹ 30,844, select.

London.₹ 31,401 per passenger.Departing Sun, 6 Dec.One-way flight with Iberia.Outbound direct flight with Iberia departs from Portland on Sun, 6 Dec, arriving in London Heathrow.Price includes taxes and charges.From ₹ 31,401, select.

London.₹ 31,423 per passenger.Departing Mon, 19 Jul.One-way flight with Iberia.Outbound direct flight with Iberia departs from Portland on Mon, 19 Jul, arriving in London Heathrow.Price includes taxes and charges.From ₹ 31,423, select.

London.₹ 31,590 per passenger.Departing Mon, 9 Aug.One-way flight with British Airways.Outbound direct flight with British Airways departs from Portland on Mon, 9 Aug, arriving in London Heathrow.Price includes taxes and charges.From ₹ 31,590, select.

London.₹ 31,651 per passenger.Departing Sun, 25 Apr.One-way flight with British Airways.Outbound direct flight with British Airways departs from Portland on Sun, 25 Apr, arriving in London Heathrow.Price includes taxes and charges.From ₹ 31,651, select.

Find the cheapest month to fly from Portland to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Portland to London Heathrow flights are currently cheapest in October.

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Direct flights from Portland to London Heathrow

Portland to London Heathrow: Alternative routes

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

Portland to London: Flight information

The things to know before you go.

Cheapest flight found	₹ 28,455
Cheapest month to fly	October
Average flight time	9 hrs, 34 mins
Most popular airline	Iberia
Average flights per week	44

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

How much are return flights from Portland to London Heathrow?

The best price we found for a return flight from Portland to London Heathrow is ₹ 67,104. 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.

How long does it take to fly from Portland to London Heathrow?

9 hours and 34 minutes is the average flight time from Portland to London Heathrow.

Which airlines fly direct from Portland to London Heathrow?

Iberia, British Airways and Aer Lingus fly direct from Portland to London Heathrow.

How many flights are there a week from Portland to London Heathrow?

As of September 2026, there are 44 flights per week flying from Portland to London Heathrow.

When is the cheapest time to fly from Portland to London Heathrow?

The cheapest month to fly from Portland to London Heathrow is usually November.

Which upcoming date is cheapest to fly from Portland Airport to London Heathrow Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to London Heathrow Airport on Monday, 16 November 2026.

Can I get a direct flight from Portland Airport to London Heathrow Airport?

Yes – the average flight time is 9 hours and 34 minutes.

How can I find the best flight deal to London Heathrow?

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 London Heathrow 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.

When is the best time to book flights to London?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Portland Airport to London Heathrow with?

Currently, Icelandair and Finnair offer the cheapest flight tickets to London Heathrow.

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

Jump on a direct flight from Portland International Airport to London Heathrow Airport and you'll be travelling for an average of 9 hours 35 minutes.
The timezone in London is UTC+0, which is seven hours ahead of Portland.
You can choose from eight weekly Portland International Airport to London Heathrow Airport flights. The 18:20 departure with British Airways is the earliest flight available. British Airways operates the latest service of the day at 19:40.
To ensure you get on your PDX to LHR flight, allow plenty of time to check in and find your gate. Turning up two hours before international departures and an hour before domestic flights is the general rule.
Travelling during a peak time such as July? School holidays and other popular periods can result in longer lines and delays at security. Play things extra safe and arrive up to four hours before an international flight and two hours before a domestic departure.
British Airways offers direct flights from Portland International Airport to London Heathrow Airport. Book with this popular airline, then get ready to check out the sights in London — and maybe even more of United Kingdom if your schedule allows.
Most travellers choose to fly with British Airways on this route.
British Airways is the most punctual carrier that offers PDX to LHR flights, with 76.47% of its services arriving on schedule.
We make it a piece of cake to book a flight with a stopover. To see all your options for tickets from Portland International Airport to London Heathrow Airport, deselect 'Direct flights only.' Then, choose a flight with a stop long enough to visit the city of your choice. Popular stopovers between PDX and LHR include:
- Seattle-Tacoma International Airport
- Amsterdam Airport Schiphol
- Denver International Airport

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

Currently, ₹ 28,455 is the cheapest price we've seen for a one-way Portland International Airport to London Heathrow Airport flight. The best price for a return plane ticket is ₹ 67,104. Bear in mind that fares could change due to demand when booking.
Get cheap tickets from PDX to LHR by booking eight months ahead. According to our research, that's the sweet spot for bagging a bargain.
The cheapest month for flights from Portland International Airport to London Heathrow Airport is July. Use the 'Whole month' tool to find the lowest airfares if you have flexible dates.
You won't have to check back in every day to find out if fares have dropped when you set up a Price Alert. We'll update you the moment there's a better deal on cheap flights from PDX to LHR.
Lock in the right flight for you by using the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Portland International Airport to London Heathrow Airport, use the 'Sort by' function. You can also filter by departure and arrival times, airline, and number of stops.

Handy information about Portland International Airport (PDX)

PDX is located at 7000 NE Airport Way.
Portland International Airport maintains a strong on-time record, making delays less likely. Departures from PDX arrive on schedule 83.65% of the time.
Portland International Airport is about 19 kilometres from central Portland. If you're ride-sharing, catching a cab or driving from the centre, it'll take 20 minutes or so to get there, depending on the traffic.
You can expect a journey time of around 45 minutes when using public transport.
Searching for a convenient hotel close to PDX? If you're catching an early flight from Portland International Airport to London Heathrow Airport, these accommodation options will have you sleeping moments from your check-in counter:

Arriving at London Heathrow Airport (LHR)

If you have a late Portland International Airport to London Heathrow Airport flight, nothing beats the convenience of staying near the terminal. Pick up your bags from the carousel and then be tucked up in bed not long after at one of these accommodation options near LHR:
Get your adventure underway by picking up a London Heathrow Airport rental car. Grab your wheels from Surprice, U-Save or Green Motion to explore London and beyond.
Lock in the best deal by booking your vehicle from London Heathrow Airport about one week before your departure date.

Getting from London Heathrow Airport (LHR) to central London

London Heathrow Airport to the centre of London has a drive time of about 55 minutes. It's approximately 31 kilometres away.
It'll take around 1 hour if you're using public transport.

When to fly to London Heathrow Airport (LHR)

July is the busiest month for flights from Portland International Airport to London Heathrow Airport. For smaller crowds, travel to London in February.
When booking your flight from Portland International Airport to London Heathrow Airport, consider the kind of weather you enjoy. July is the warmest month in London, with the temperature ranging from 11ºC to 26ºC.
January sees average temperatures of between 0ºC and 9ºC. Search for cheap tickets from PDX to LHR around that time if you like travelling in cooler conditions.

Explore more of United Kingdom

London has plenty going for it, but there are so many other parts of United Kingdom you should also see. Around 161 kilometres north-west of London, a trip to Birmingham will keep your itinerary busy. Start with popular sights like Cadbury World, The Library of Birmingham and National Sea Life Centre.
If you're looking to explore another well-known destination in United Kingdom, head for Bristol, about 177 kilometres west of London. Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park are the start of reasons to visit.

Plan the rest of your trip from Portland to London

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.