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Cheap flights from Portland to London Heathrow Airport from $251

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 11/26. 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 round-trip flights

These are some of the best round-trip 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 layovers.

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.
2:35 pm - 10:50 amPDX-LHR
12h 15m1 stop
8:40 pm - 4:50 pmLHR-PDX
28h 10m1 stop
$511Icelandair
Find Deal
Tue, Dec 3 - Sun, Dec 8
2:35 pm - 7:30 pmPDX-LHR
20h 55m1 stop
8:40 pm - 4:50 pmLHR-PDX
28h 10m1 stop
$524Icelandair
Find Deal
Tue, Dec 3 - Tue, Dec 10
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
2:20 pm - 4:35 pmLHR-PDX
10h 15mnonstop
$643Iberia
Find Deal
Wed, Jan 15 - Wed, Jan 22
2:17 pm - 12:35 pmPDX-LHR
14h 18m1 stop
3:30 pm - 5:25 pmLHR-PDX
9h 55mnonstop
$650British Airways
Find Deal
Mon, Apr 21 - Wed, Apr 30
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
8:20 am - 5:53 pmLHR-PDX
17h 33m1 stop
$653British Airways
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Tue, Jan 7 - Wed, Jan 15
12:59 am - 7:05 amPDX-LHR
22h 06m1 stop
6:30 am - 8:30 pmLHR-PDX
22h 00m2 stops
$662Delta
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Mon, Dec 2 - Tue, Dec 10
6:15 am - 7:55 amPDX-LHR
17h 40m1 stop
2:30 pm - 8:38 amLHR-PDX
26h 08m2 stops
$664Delta
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Sun, Dec 8 - Tue, Dec 24
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
8:20 am - 5:53 pmLHR-PDX
17h 33m1 stop
$680American Airlines
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Tue, Jan 7 - Thu, Jan 16
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
2:20 pm - 4:35 pmLHR-PDX
10h 15mnonstop
$709Iberia
Find Deal
Sun, Dec 1 - Sun, Dec 8
3:37 pm - 4:00 pmPDX-LHR
16h 23m1 stop
2:20 pm - 4:35 pmLHR-PDX
10h 15mnonstop
$724American Airlines
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Fri, Jan 10 - Fri, Jan 24
2:35 pm - 7:30 pmPDX-LHR
20h 55m1 stop
$251Icelandair
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Tue, Nov 26
2:35 pm - 10:50 amPDX-LHR
12h 15m1 stop
$260Icelandair
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Thu, Dec 12
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
$403Iberia
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Wed, Dec 4
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
$405British Airways
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Sun, Jan 5
12:59 am - 7:05 amPDX-LHR
22h 06m1 stop
$412Delta
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Sun, Dec 1
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
$417British Airways
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Tue, Jan 14
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
$460Iberia
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Sun, Nov 17
12:59 am - 7:05 amPDX-LHR
22h 06m1 stop
$467Delta
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Tue, Nov 12
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
$653American Airlines
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Tue, Dec 17
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
$853American Airlines
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Wed, Dec 18
10:10 am - 10:10 amPDX-LHR
16h 00m1 stop
6:30 am - 6:24 pmLHR-PDX
19h 54m2 stops
Wed, Nov 6 - Fri, Nov 15
2:35 pm - 7:30 pmPDX-LHR
20h 55m1 stop
8:40 pm - 4:50 pmLHR-PDX
28h 10m1 stop
$757Icelandair
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Thu, Nov 7 - Tue, Nov 12
2:00 pm - 12:40 pmPDX-LHR
14h 40m1 stop
6:30 am - 11:25 amLHR-PDX
12h 55m1 stop
$763Delta
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Wed, Nov 6 - Fri, Nov 15
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
8:20 am - 5:40 pmLHR-PDX
17h 20m1 stop
$780American Airlines
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Wed, Nov 6 - Fri, Nov 15
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
2:20 pm - 4:35 pmLHR-PDX
10h 15mnonstop
$913American Airlines
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Wed, Nov 6 - Fri, Nov 15
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
2:20 pm - 4:35 pmLHR-PDX
10h 15mnonstop
$979British Airways
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Fri, Nov 8 - Sun, Nov 17
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
1:50 pm - 10:56 pmLHR-PDX
17h 06m1 stop
$989British Airways
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Fri, Nov 8 - Sat, Nov 16
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
2:20 pm - 4:35 pmLHR-PDX
10h 15mnonstop
$2,147Iberia
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Wed, Nov 6 - Sun, Nov 10
7:00 am - 7:55 amPDX-LHR
16h 55m1 stop
12:20 pm - 10:05 pmLHR-PDX
17h 45m1 stop
$4,045Delta
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Wed, Nov 6 - Tue, Nov 12
5:30 am - 6:20 amPDX-LHR
16h 50m1 stop
2:20 pm - 4:35 pmLHR-PDX
10h 15mnonstop
$6,868Iberia
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Sat, Nov 9 - Wed, Nov 20
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
2:20 pm - 4:35 pmLHR-PDX
10h 15mnonstop
$643Iberia
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Tue, Jan 7 - Fri, Jan 17
7:15 pm - 12:45 pmPDX-LHR
9h 30mnonstop
3:30 pm - 5:25 pmLHR-PDX
9h 55mnonstop
$646Iberia
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Tue, Apr 22 - Fri, May 2
7:15 pm - 12:45 pmPDX-LHR
9h 30mnonstop
3:30 pm - 5:25 pmLHR-PDX
9h 55mnonstop
$657British Airways
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Sun, May 4 - Wed, May 21
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
2:20 pm - 5:35 pmLHR-PDX
10h 15mnonstop
$660Finnair
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Wed, Mar 5 - Fri, Mar 14
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
2:20 pm - 4:35 pmLHR-PDX
10h 15mnonstop
$670American Airlines
Find Deal
Tue, Jan 7 - Fri, Jan 17
7:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
3:30 pm - 5:25 pmLHR-PDX
9h 55mnonstop
$673British Airways
Find Deal
Sun, Mar 16 - Thu, Apr 3
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
2:20 pm - 4:35 pmLHR-PDX
10h 15mnonstop
$695Finnair
Find Deal
Tue, Dec 3 - Wed, Dec 11
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
2:20 pm - 4:35 pmLHR-PDX
10h 15mnonstop
$720American Airlines
Find Deal
Tue, Jan 14 - Sun, Jan 26
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
2:20 pm - 4:35 pmLHR-PDX
10h 15mnonstop
$1,435
Find Deal
Sun, Nov 24 - Wed, Nov 27
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
2:20 pm - 4:35 pmLHR-PDX
10h 15mnonstop
$1,438
Find Deal
Sun, Nov 24 - Wed, Nov 27

Air Canada flights from Portland to London Heathrow Airport

Our best Air Canada deals on Portland to London Heathrow Airport flight tickets
Air Canada
Dec 3
PDX10:10 amPortland
16h 00m
1 stop
LHR10:10 amLondon Heathrow
Dec 11
LHR1:00 pmLondon Heathrow
13h 24m
1 stop
PDX6:24 pmPortland
Air Canada
Dec 3
PDX10:10 amPortland
15h 10m
2 stops
LHR9:20 amLondon Heathrow
Dec 10
LHR6:00 pmLondon Heathrow
28h 44m
2 stops
PDX2:44 pmPortland
Air Canada
Nov 24
PDX10:10 amPortland
15h 10m
2 stops
LHR9:20 amLondon Heathrow
Dec 10
LHR2:30 pmLondon Heathrow
32h 14m
2 stops
PDX2:44 pmPortland

Iberia flights from Portland to London Heathrow Airport

Our best Iberia deals on Portland to London Heathrow Airport flight tickets
Iberia
Jan 15
PDX6:30 pmPortland
9h 40m
LHR12:10 pmLondon Heathrow
Jan 22
LHR2:20 pmLondon Heathrow
10h 15m
PDX4:35 pmPortland
Iberia
Dec 1
PDX6:30 pmPortland
9h 40m
LHR12:10 pmLondon Heathrow
Dec 8
LHR2:20 pmLondon Heathrow
10h 15m
PDX4:35 pmPortland
Iberia
Feb 8
PDX7:35 amPortland
15h 45m
1 stop
LHR7:20 amLondon Heathrow
Feb 15
LHR12:10 pmLondon Heathrow
17h 35m
1 stop
PDX9:45 pmPortland

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 cheapest month to fly from Portland to London Heathrow Airport?

January. The cheapest time of year to fly to London Heathrow Airport from Portland is January. Most expensive is June

What is the cheapest day to depart Portland for London Heathrow Airport?

Tuesday. The cheapest day of the week is typically Tuesday. The most expensive is typically Friday

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

In the afternoon. Portland to London Heathrow Airport flights are approximately 14% more expensive in the evening than in the afternoon

What is the cheapest airline that flies to London Heathrow Airport from Portland?

Icelandair. Icelandair, Finnair, and Air France are the most popular carriers operating from Portland to London Heathrow Airport

How far in advance should you book Portland to London Heathrow Airport flights?

46 days before. The cheapest time to buy a flight from Portland to London Heathrow Airport is approximately 46 days to departure

How many flights depart from Portland to London Heathrow Airport on average per day?

As of November 2024, 2 flights take off from Portland and land in London Heathrow Airport each day. The most common flight departure time for this route is 6:00PM, with 100% of daily flights taking off in the evening.

How many flights depart from Portland to London Heathrow Airport on average per week?

The number of flights available between Portland and London Heathrow Airport is 14 per week as of November 2024. The most frequent departure day is Sunday, with 43% of weekly flights leaving on this day.

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

There are 2 cabin classes available to choose from on Portland to London Heathrow Airport 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 November 2024, prices for Portland to London Heathrow Airport flights are approximately 44% 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 round-trip 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

$251

Fastest flight time

9h 30m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sat
The best one-way flight to London Heathrow Airport from Portland in the past 72 hours is $251. The best round-trip flight deal from Portland to London Heathrow Airport found on momondo in the last 72 hours is $511.
The fastest flight from Portland to London Heathrow Airport takes 9h 30m
Direct flights go from Portland to London Heathrow Airport on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. Airlines offering direct flights are: Finnair, Iberia and American Airlines.

  • How far is Portland to London Heathrow by plane?

    Portland and London Heathrow are 4902.4 mi apart from one another. Typically, this will take 9h 30m by plane in normal conditions.

  • 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 are refreshed on a daily basis.

  • 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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to London Heathrow Airport.

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

    The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek 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
WestJetPriceFrom $273Free CancellationRating
7.3
2,800 reviews
Search WestJet flights
IcelandairPriceFrom $514Free CancellationRating
7.2
573 reviews
Search Icelandair flights
KLMPriceFrom $576Free CancellationRating
7.8
1,350 reviews
Search KLM flights
Air CanadaPriceFrom $580Free CancellationRating
7.0
8,130 reviews
Search Air Canada flights
FinnairPriceFrom $586Free CancellationRating
7.7
1,316 reviews
Search Finnair flights
IberiaPriceFrom $592Free CancellationRating
7.0
2,668 reviews
Search Iberia flights
LufthansaPriceFrom $592Free CancellationRating
6.8
7,165 reviews
Search Lufthansa flights
DeltaPriceFrom $602Free CancellationRating
8.0
8,829 reviews
Search Delta flights
American AirlinesPriceFrom $619Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $623Free CancellationRating
7.4
9,226 reviews
Search United Airlines flights
  • Alaska Airlines Flights From Portland to London Heathrow Airport

    Across 2 Alaska Airlines flights from Portland to London Heathrow Airport this week, the average price was $1,037, with the best Alaska Airlines deals starting from $868 round-trip. 9,421 users have rated Alaska Airlines on momondo, with an average score of 8.0/10.

  • Finnair Flights From Portland to London Heathrow Airport

    Across 1,316 Finnair reviews on momondo, the average score is 7.7/10. Finnair flies from Portland to London Heathrow Airport about 2 times each week, with ticket deals ranging from $586 to $800. Price data is based on momondo searches in the last 72 hours.


Why use momondo?

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

Finding the right flight to London from Portland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

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 you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Portland.

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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