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Cheap flights from Portland to London Heathrow Airport from $219

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 1/13. 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.
3:20 pm - 8:20 pmPDX-LHR
21h 00m1 stop
9:25 pm - 5:55 pmLHR-PDX
28h 30m1 stop
$613Icelandair
Find Deal
Wed, Apr 30 - Tue, May 6
3:20 pm - 11:55 amPDX-LHR
12h 35m1 stop
1:05 pm - 5:55 pmLHR-PDX
12h 50m1 stop
$619Icelandair
Find Deal
Sun, May 4 - Thu, May 22
11:59 pm - 1:25 pmPDX-LHR
29h 26m2 stops
6:25 am - 9:15 pmLHR-PDX
22h 50m2 stops
$643British Airways
Find Deal
Mon, Feb 17 - Fri, Mar 7
7:35 am - 1:25 pmPDX-LHR
21h 50m2 stops
6:10 am - 5:53 pmLHR-PDX
43h 43m2 stops
$648British Airways
Find Deal
Tue, Feb 4 - Tue, Feb 11
7:35 am - 7:20 amPDX-LHR
15h 45m1 stop
2:20 pm - 4:35 pmLHR-PDX
10h 15mnonstop
$667Iberia
Find Deal
Mon, Feb 17 - Fri, Mar 7
7:35 am - 7:20 amPDX-LHR
15h 45m1 stop
7:00 am - 9:50 pmLHR-PDX
22h 50m2 stops
$677American Airlines
Find Deal
Sun, Jan 26 - Tue, Feb 11
5:10 am - 10:00 amPDX-LHR
20h 50m1 stop
11:45 am - 11:25 amLHR-PDX
31h 40m1 stop
$681Delta
Find Deal
Mon, Jan 13 - Mon, Jan 20
2:14 pm - 12:04 pmPDX-LHR
13h 50m1 stop
7:00 am - 9:44 pmLHR-PDX
22h 44m2 stops
$687Iberia
Find Deal
Sun, Feb 16 - Tue, Feb 25
12:45 am - 7:05 amPDX-LHR
22h 20m1 stop
6:30 am - 4:33 pmLHR-PDX
18h 03m2 stops
$691Delta
Find Deal
Sun, Jan 19 - Tue, Jan 28
11:55 am - 12:05 pmPDX-LHR
17h 10m1 stop
2:20 pm - 5:35 pmLHR-PDX
10h 15mnonstop
$694American Airlines
Find Deal
Mon, Mar 17 - Tue, Mar 25
11:19 am - 12:50 pmPDX-LHR
41h 31m2 stops
Mon, Jan 13
5:30 pm - 12:50 pmPDX-LHR
59h 20m2 stops
Thu, Jan 23
12:45 am - 7:05 amPDX-LHR
22h 20m1 stop
$422Delta
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Tue, Jan 21
12:00 pm - 6:20 amPDX-LHR
34h 20m1 stop
$425Iberia
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Sat, Jan 18
12:59 am - 9:40 amPDX-LHR
24h 41m1 stop
$509British Airways
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Sat, Dec 28
12:59 am - 9:40 amPDX-LHR
24h 41m1 stop
$527British Airways
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Sat, Dec 28
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
$546Iberia
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Sun, Dec 29
7:25 pm - 1:00 pmPDX-LHR
9h 35mnonstop
$628American Airlines
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Thu, May 15
12:40 am - 7:05 amPDX-LHR
23h 25m1 stop
$728Delta
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Wed, Mar 19
7:25 pm - 1:00 pmPDX-LHR
9h 35mnonstop
$893American Airlines
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Sat, Jun 14
4:31 pm - 9:00 pmPDX-LHR
20h 29m2 stops
10:00 am - 10:33 pmLHR-PDX
20h 33m2 stops
$1,688
Find Deal
Sun, Dec 22 - Fri, Jan 10
11:59 pm - 2:35 pmPDX-LHR
30h 36m3 stops
2:50 pm - 6:24 pmLHR-PDX
35h 34m3 stops
$1,785
Find Deal
Sun, Dec 22 - Fri, Jan 10
11:59 pm - 2:35 pmPDX-LHR
30h 36m3 stops
2:50 pm - 9:34 amLHR-PDX
26h 44m2 stops
$1,791
Find Deal
Sun, Dec 22 - Fri, Jan 10
10:10 am - 10:10 amPDX-LHR
16h 00m1 stop
1:00 pm - 6:24 pmLHR-PDX
13h 24m1 stop
$1,808Air Canada
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Sun, Dec 22 - Fri, Jan 10
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
2:20 pm - 4:35 pmLHR-PDX
10h 15mnonstop
$2,283Iberia
Find Deal
Sun, Dec 22 - Fri, Jan 10
12:59 am - 12:15 pmPDX-LHR
27h 16m2 stops
1:50 pm - 10:57 pmLHR-PDX
17h 07m1 stop
$2,579British Airways
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Fri, Dec 20 - Sat, Dec 28
12:59 am - 2:30 pmPDX-LHR
29h 31m2 stops
11:15 am - 11:44 pmLHR-PDX
20h 29m1 stop
$2,586British Airways
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Sat, Dec 21 - Mon, Dec 30
9:18 am - 11:10 amPDX-LHR
17h 52m1 stop
6:30 am - 11:25 amLHR-PDX
12h 55m1 stop
$2,614Delta
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Sat, Dec 21 - Tue, Dec 31
7:40 am - 7:20 amPDX-LHR
15h 40m1 stop
2:20 pm - 4:35 pmLHR-PDX
10h 15mnonstop
$3,497Iberia
Find Deal
Fri, Dec 20 - Fri, Dec 27
1:45 pm - 12:00 pmPDX-LHR
14h 15m1 stop
2:20 pm - 4:35 pmLHR-PDX
10h 15mnonstop
$4,101American Airlines
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Sat, Dec 21 - Fri, Dec 27
7:25 pm - 1:00 pmPDX-LHR
9h 35mnonstop
3:40 pm - 5:35 pmLHR-PDX
9h 55mnonstop
$656British Airways
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Mon, Apr 21 - Thu, May 8
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
2:20 pm - 5:35 pmLHR-PDX
10h 15mnonstop
$662British Airways
Find Deal
Tue, Mar 4 - Tue, Mar 11
7:25 pm - 1:00 pmPDX-LHR
9h 35mnonstop
3:40 pm - 5:35 pmLHR-PDX
9h 55mnonstop
$664Iberia
Find Deal
Sun, Mar 30 - Thu, Apr 10
7:25 pm - 1:00 pmPDX-LHR
9h 35mnonstop
3:40 pm - 5:35 pmLHR-PDX
9h 55mnonstop
$665Iberia
Find Deal
Sun, Apr 27 - Tue, May 6
7:25 pm - 1:00 pmPDX-LHR
9h 35mnonstop
3:40 pm - 5:35 pmLHR-PDX
9h 55mnonstop
$676British Airways
Find Deal
Sun, May 4 - Thu, May 22
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
2:20 pm - 4:35 pmLHR-PDX
10h 15mnonstop
$679Finnair
Find Deal
Sun, Jan 26 - Tue, Feb 11
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
2:20 pm - 4:35 pmLHR-PDX
10h 15mnonstop
$680Finnair
Find Deal
Sun, Feb 16 - Tue, Feb 25
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
2:20 pm - 4:35 pmLHR-PDX
10h 15mnonstop
$689American Airlines
Find Deal
Tue, Jan 14 - Tue, Jan 21
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
2:20 pm - 5:35 pmLHR-PDX
10h 15mnonstop
$740American Airlines
Find Deal
Sun, Mar 2 - Sun, Mar 16
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
2:20 pm - 4:35 pmLHR-PDX
10h 15mnonstop
$889Alaska Airlines
Find Deal
Sun, Jan 26 - Tue, Feb 11

Virgin Atlantic flights from Portland to London Heathrow Airport

Our best Virgin Atlantic deals on Portland to London Heathrow Airport flight tickets
Virgin Atlantic
Jan 26
PDX6:05 amPortland
17h 00m
1 stop
LHR7:05 amLondon Heathrow
Feb 11
LHR6:30 amLondon Heathrow
12h 55m
1 stop
PDX11:25 amPortland
Virgin Atlantic
Mar 16
PDX5:09 pmPortland
20h 01m
2 stops
LHR8:10 pmLondon Heathrow
Mar 24
LHR8:25 pmLondon Heathrow
28h 54m
2 stops
PDX6:19 pmPortland
Virgin Atlantic
Jan 19
PDX5:15 pmPortland
11h 25m
1 stop
LHR12:40 pmLondon Heathrow
Jan 26
LHR6:30 amLondon Heathrow
12h 55m
1 stop
PDX11:25 amPortland

Iberia flights from Portland to London Heathrow Airport

Our best Iberia deals on Portland to London Heathrow Airport flight tickets
Iberia
Feb 17
PDX7:35 amPortland
15h 45m
1 stop
LHR7:20 amLondon Heathrow
Mar 7
LHR2:20 pmLondon Heathrow
10h 15m
PDX4:35 pmPortland
Iberia
Feb 16
PDX2:14 pmPortland
13h 50m
1 stop
LHR12:04 pmLondon Heathrow
Feb 25
LHR7:00 amLondon Heathrow
22h 44m
2 stops
PDX9:44 pmPortland
Iberia
Apr 28
PDX8:01 amPortland
14h 24m
1 stop
LHR6:25 amLondon Heathrow
May 13
LHR3:40 pmLondon Heathrow
9h 55m
PDX5:35 pmPortland

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?

The month of January is, on average, the cheapest month to fly to London Heathrow Airport from Portland, with most prices found around $715. If you’re not able to fly to London Heathrow Airport in January, then November is your next best option. Flight prices from Portland to London Heathrow Airport during November average around $722.

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

Our data shows that Tuesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $863. The most expensive day to fly to London Heathrow Airport is Friday, with ticket prices averaging around $1,015.

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 afternoon. momondo users have found flights departing from Portland to London Heathrow Airport in the afternoon for as low as $842. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $975.

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?

We recommend purchasing flights from Portland to London Heathrow Airport 49 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to London Heathrow Airport for $899. Don’t hesitate to check prices now though because momondo users recently found tickets for as low as $748.

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

There are 3 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 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

$219

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 $219. The best round-trip flight deal from Portland to London Heathrow Airport found on momondo in the last 72 hours is $613.
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. Typically, this will take 9h 35m 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
IcelandairPriceFrom $500Free CancellationRating
7.1
509 reviews
Search Icelandair flights
KLMPriceFrom $576Free CancellationRating
7.8
1,349 reviews
Search KLM flights
Air CanadaPriceFrom $580Free CancellationRating
7.0
8,391 reviews
Search Air Canada flights
LufthansaPriceFrom $592Free CancellationRating
6.8
7,087 reviews
Search Lufthansa flights
FinnairPriceFrom $597Free CancellationRating
7.7
1,285 reviews
Search Finnair flights
IberiaPriceFrom $598Free CancellationRating
7.0
2,655 reviews
Search Iberia flights
DeltaPriceFrom $602Free CancellationRating
8.0
8,600 reviews
Search Delta flights
United AirlinesPriceFrom $624Free CancellationRating
7.4
9,048 reviews
Search United Airlines flights
American AirlinesPriceFrom $630Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom $642Free CancellationRating
6.6
6,817 reviews
Search British Airways flights
  • Alaska Airlines Flights From Portland to London Heathrow Airport

    Across 4 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 $864 round-trip. 9,552 users have rated Alaska Airlines on momondo, with an average score of 8.0/10.

  • Finnair Flights From Portland to London Heathrow Airport

    Across 1,285 Finnair reviews on momondo, the average score is 7.7/10. Finnair flies from Portland to London Heathrow Airport about 1 time each week, with ticket deals ranging from $597 to $788. 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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