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Cheap flights from Portland to London Heathrow Airport from £173

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to London Heathrow Airport departing on 13/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Portland to London

Cheap return flights

These are some of the best return flight deals from Portland to London that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Portland to London.

Cheap last-minute flights

Planning a quick getaway from Portland to London? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to London, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from Portland to London

Find recent round-trip train or bus tickets from Portland to London.

All round-trip flight deals to London

The cheapest plane tickets to London found on KAYAK recently.
15:20 - 20:20PDX-LHR
21h 00m1 stop
21:25 - 17:55LHR-PDX
28h 30m1 stop
£483Icelandair
Find Deal
Wed, 30 Apr - Tue, 6 May
15:20 - 11:55PDX-LHR
12h 35m1 stop
13:05 - 17:55LHR-PDX
12h 50m1 stop
£488Icelandair
Find Deal
Sun, 4 May - Thu, 22 May
06:05 - 07:05PDX-LHR
17h 00m1 stop
06:30 - 11:25LHR-PDX
12h 55m1 stop
£521Virgin Atlantic
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Sun, 26 Jan - Tue, 11 Feb
18:30 - 12:10PDX-LHR
9h 40mdirect
14:20 - 17:35LHR-PDX
10h 15mdirect
£522British Airways
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Tue, 4 Mar - Tue, 11 Mar
07:35 - 07:20PDX-LHR
15h 45m1 stop
14:20 - 16:35LHR-PDX
10h 15mdirect
£526Iberia
Find Deal
Mon, 17 Feb - Fri, 7 Mar
14:00 - 12:05PDX-LHR
15h 05m1 stop
15:40 - 17:35LHR-PDX
9h 55mdirect
£528British Airways
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Tue, 18 Mar - Tue, 15 Apr
14:14 - 12:04PDX-LHR
13h 50m1 stop
07:00 - 21:44LHR-PDX
22h 44m2 stops
£542Iberia
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Sun, 16 Feb - Tue, 25 Feb
11:55 - 12:05PDX-LHR
17h 10m1 stop
14:20 - 17:35LHR-PDX
10h 15mdirect
£547American Airlines
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Mon, 17 Mar - Tue, 25 Mar
17:09 - 20:10PDX-LHR
20h 01m2 stops
20:25 - 18:19LHR-PDX
28h 54m2 stops
£548Virgin Atlantic
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Sun, 16 Mar - Mon, 24 Mar
18:30 - 12:10PDX-LHR
9h 40mdirect
08:20 - 17:53LHR-PDX
17h 33m1 stop
£551American Airlines
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Sun, 12 Jan - Tue, 28 Jan
11:19 - 12:50PDX-LHR
41h 31m2 stops
Mon, 13 Jan
17:30 - 12:50PDX-LHR
59h 20m2 stops
Thu, 23 Jan
17:30 - 12:50PDX-LHR
59h 20m2 stops
Sun, 12 Jan
15:20 - 11:55PDX-LHR
12h 35m1 stop
£284Icelandair
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Fri, 2 May
07:05 - 06:25PDX-LHR
15h 20m1 stop
£346Virgin Atlantic
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Thu, 16 Jan
00:59 - 09:40PDX-LHR
24h 41m1 stop
£416British Airways
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Sat, 28 Dec
18:30 - 12:10PDX-LHR
9h 40mdirect
£431British Airways
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Sun, 29 Dec
19:25 - 13:00PDX-LHR
9h 35mdirect
£460American Airlines
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Tue, 20 May
14:35 - 19:30PDX-LHR
20h 55m1 stop
£470Icelandair
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Fri, 27 Dec
19:25 - 13:00PDX-LHR
9h 35mdirect
£495American Airlines
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Thu, 15 May
16:31 - 21:00PDX-LHR
20h 29m2 stops
10:00 - 22:33LHR-PDX
20h 33m2 stops
£1,331
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Sun, 22 Dec - Fri, 10 Jan
23:59 - 14:35PDX-LHR
30h 36m3 stops
14:50 - 18:24LHR-PDX
35h 34m3 stops
£1,408
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Sun, 22 Dec - Fri, 10 Jan
07:15 - 06:20PDX-LHR
15h 05m1 stop
09:10 - 20:21LHR-PDX
19h 11m1 stop
£1,607Virgin Atlantic
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Thu, 19 Dec - Fri, 27 Dec
13:45 - 12:00PDX-LHR
14h 15m1 stop
14:20 - 16:35LHR-PDX
10h 15mdirect
£1,637American Airlines
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Thu, 19 Dec - Fri, 27 Dec
09:18 - 11:10PDX-LHR
17h 52m1 stop
17:50 - 11:25LHR-PDX
25h 35m1 stop
£1,638Virgin Atlantic
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Sat, 21 Dec - Sat, 28 Dec
18:30 - 12:10PDX-LHR
9h 40mdirect
14:20 - 16:35LHR-PDX
10h 15mdirect
£1,801Iberia
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Sun, 22 Dec - Fri, 10 Jan
00:59 - 12:15PDX-LHR
27h 16m2 stops
13:50 - 22:57LHR-PDX
17h 07m1 stop
£2,034British Airways
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Fri, 20 Dec - Sat, 28 Dec
00:59 - 14:30PDX-LHR
29h 31m2 stops
11:15 - 23:44LHR-PDX
20h 29m1 stop
£2,040British Airways
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Sat, 21 Dec - Mon, 30 Dec
05:40 - 08:25PDX-LHR
42h 45m2 stops
08:20 - 21:15LHR-PDX
20h 55m1 stop
£2,356Iberia
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Thu, 19 Dec - Sun, 22 Dec
13:45 - 12:00PDX-LHR
14h 15m1 stop
14:20 - 16:35LHR-PDX
10h 15mdirect
£3,235American Airlines
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Sat, 21 Dec - Fri, 27 Dec
19:25 - 13:00PDX-LHR
9h 35mdirect
15:40 - 17:35LHR-PDX
9h 55mdirect
£517British Airways
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Mon, 21 Apr - Thu, 8 May
18:30 - 12:10PDX-LHR
9h 40mdirect
14:20 - 17:35LHR-PDX
10h 15mdirect
£522British Airways
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Tue, 4 Mar - Tue, 11 Mar
19:25 - 13:00PDX-LHR
9h 35mdirect
15:40 - 17:35LHR-PDX
9h 55mdirect
£524Iberia
Find Deal
Sun, 30 Mar - Thu, 10 Apr
19:25 - 13:00PDX-LHR
9h 35mdirect
15:40 - 17:35LHR-PDX
9h 55mdirect
£525Iberia
Find Deal
Sun, 27 Apr - Tue, 6 May
19:25 - 13:00PDX-LHR
9h 35mdirect
15:40 - 17:35LHR-PDX
9h 55mdirect
£533British Airways
Find Deal
Sun, 4 May - Thu, 22 May
18:30 - 12:10PDX-LHR
9h 40mdirect
14:20 - 16:35LHR-PDX
10h 15mdirect
£536Finnair
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Sun, 16 Feb - Tue, 25 Feb
19:25 - 13:00PDX-LHR
9h 35mdirect
15:40 - 17:35LHR-PDX
9h 55mdirect
£538Finnair
Find Deal
Tue, 15 Apr - Tue, 22 Apr
18:30 - 12:10PDX-LHR
9h 40mdirect
14:20 - 16:35LHR-PDX
10h 15mdirect
£543American Airlines
Find Deal
Tue, 14 Jan - Tue, 21 Jan
18:30 - 12:10PDX-LHR
9h 40mdirect
14:20 - 17:35LHR-PDX
10h 15mdirect
£584American Airlines
Find Deal
Sun, 2 Mar - Sun, 16 Mar
18:30 - 12:10PDX-LHR
9h 40mdirect
14:20 - 16:35LHR-PDX
10h 15mdirect
£701Alaska Airlines
Find Deal
Sun, 26 Jan - Tue, 11 Feb

Virgin Atlantic flights from Portland to London Heathrow Airport

Our best Virgin Atlantic deals on Portland to London Heathrow Airport flight tickets
Virgin Atlantic
26 Jan
PDX06:05Portland
17h 00m
1 stop
LHR07:05London Heathrow
11 Feb
LHR06:30London Heathrow
12h 55m
1 stop
PDX11:25Portland
Virgin Atlantic
16 Mar
PDX17:09Portland
20h 01m
2 stops
LHR20:10London Heathrow
24 Mar
LHR20:25London Heathrow
28h 54m
2 stops
PDX18:19Portland
Virgin Atlantic
19 Jan
PDX17:15Portland
11h 25m
1 stop
LHR12:40London Heathrow
26 Jan
LHR06:30London Heathrow
12h 55m
1 stop
PDX11:25Portland

Iberia flights from Portland to London Heathrow Airport

Our best Iberia deals on Portland to London Heathrow Airport flight tickets
Iberia
17 Feb
PDX07:35Portland
15h 45m
1 stop
LHR07:20London Heathrow
7 Mar
LHR14:20London Heathrow
10h 15m
PDX16:35Portland
Iberia
16 Feb
PDX14:14Portland
13h 50m
1 stop
LHR12:04London Heathrow
25 Feb
LHR07:00London Heathrow
22h 44m
2 stops
PDX21:44Portland
Iberia
28 Apr
PDX08:01Portland
14h 24m
1 stop
LHR06:25London Heathrow
13 May
LHR15:40London Heathrow
9h 55m
PDX17:35Portland

See travel insights to London from

How to get the cheapest flight ticket from Portland to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Portland and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

In general, January is the cheapest month to fly from Portland to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £564. The month of November is another great option to travel to London Heathrow Airport, with average flight prices from Portland averaging around £569.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Portland is on a Friday. momondo users have found tickets for Friday departures for as low as £593. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £2,304.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from Portland to London Heathrow Airport in the morning for as low as £726. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £1,878 on average. Flights to London Heathrow Airport from Portland in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Portland to London Heathrow flight route?

Fly from Portland to London Heathrow for the best Portland - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

Most flyers found that booking tickets 49 days in advance of their planned departure date is the best time to get cheap flights to London Heathrow Airport. During this timeframe, flight prices are around £709. However, in the past 72 hours, people saw flights from Portland for as low as £465.

What cabin class options are available on Portland to London Heathrow flights?

There are 2 cabin classes available to choose from on Portland to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Portland to London Heathrow Airport flights?

You could potentially save up to 47% on your flight if you consider stops on a Portland to London Heathrow Airport flight.

How have Portland to London Heathrow Airport flight prices changed over time?

As of December 2024, prices for Portland to London Heathrow Airport flights are approximately 24% cheaper when compared to flights at the same time last year.

When to book flights from Portland to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Portland to London Heathrow Airport (PDX to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to London Heathrow Airport

Best price found

£173

Fastest flight time

9h 30m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Portland in the past 72 hours is £173. The best return flight deal from Portland to London Heathrow Airport found on momondo in the last 72 hours is £483.
The fastest flight from Portland to London Heathrow Airport takes 9h 30m
Direct flights go from Portland to London Heathrow Airport every day.

  • How far is Portland to London Heathrow by plane?

    Portland and London Heathrow are 4902.4 mi apart from one another. 9h 35m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Portland Airport to London Heathrow Airport?

    Prices for flights from Portland Airport to London Heathrow Airport refresh daily.

  • How many operators does momondo search for flights from Portland Airport to London Heathrow Airport?

  • How old do you have to be to fly from Portland Airport to London Heathrow Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Portland to London Heathrow Airport?

  • What is the most popular airline from Portland to London Heathrow Airport?


Best airlines flying from Portland to London Heathrow Airport

Compare and see reviews for airlines that fly from Portland to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom £463Free CancellationRating
7.1
509 reviews
Search Icelandair flights
Virgin AtlanticPriceFrom £464Free CancellationRating
7.5
668 reviews
Search Virgin Atlantic flights
American AirlinesPriceFrom £507Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
IberiaPriceFrom £549Free CancellationRating
7.0
2,655 reviews
Search Iberia flights
British AirwaysPriceFrom £554Free CancellationRating
6.6
6,817 reviews
Search British Airways flights
  • American Airlines Flights From Portland to London Heathrow Airport

    American Airlines operates around 4 flights from Portland to London Heathrow Airport every week. The average price of these flights found in the last 72 hours has been £942, but momondo users have found American Airlines deals from Portland to London Heathrow Airport from as low as £642 round-trip. American Airlines has been scored 7.2/10 in 10,000 reviews.

  • Iberia Flights From Portland to London Heathrow Airport

    Iberia is also a popular choice for this route. Iberia flight deals for Portland to London Heathrow Airport start from as low as £696 round-trip, depending on your selected dates, with average Iberia deals seen on momondo around £1,055. Iberia operates 2 flights to London Heathrow Airport from Portland in an average week. Users have rated it 7.0/10 across 2,655 reviews.


Why use momondo?

Why should I use momondo to find a flight deal from Portland to London?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to London . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Portland to London with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to London from Portland with this policy.

How can momondo help me find flights from Portland to London?

Once all potential Portland to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Portland to London right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Portland to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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