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Cheap flights from Portland to London from £139

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 departing on 17/11. 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.
14:35 - 10:55PDX-LGW
12h 20m1 stop
11:55 - 16:50LGW-PDX
12h 55m1 stop
£386Icelandair
Find Deal
Tue, 3 Dec - Sun, 8 Dec
14:35 - 10:55PDX-LGW
12h 20m1 stop
11:55 - 16:50LGW-PDX
12h 55m1 stop
£387Icelandair
Find Deal
Tue, 3 Dec - Wed, 11 Dec
13:56 - 10:35PDX-LGW
36h 39m2 stops
12:00 - 23:55LGW-PDX
19h 55m1 stop
Sat, 16 Nov - Tue, 19 Nov
14:35 - 19:50PDX-LHR
21h 15m2 stops
07:50 - 16:50LHR-PDX
17h 00m2 stops
Tue, 3 Dec - Wed, 11 Dec
10:10 - 10:10PDX-LHR
16h 00m1 stop
13:00 - 18:24LHR-PDX
13h 24m1 stop
£484Air Canada
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Tue, 3 Dec - Wed, 11 Dec
10:10 - 09:20PDX-LHR
15h 10m2 stops
18:00 - 14:44LHR-PDX
28h 44m2 stops
£491Air Canada
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Tue, 3 Dec - Tue, 10 Dec
18:30 - 12:10PDX-LHR
9h 40mdirect
14:20 - 16:35LHR-PDX
10h 15mdirect
£496British Airways
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Tue, 7 Jan - Wed, 15 Jan
14:17 - 12:35PDX-LHR
14h 18m1 stop
15:30 - 17:25LHR-PDX
9h 55mdirect
£501British Airways
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Mon, 21 Apr - Wed, 30 Apr
13:36 - 11:10PDX-LHR
13h 34m1 stop
20:25 - 11:25LHR-PDX
23h 00m1 stop
£511Virgin Atlantic
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Tue, 7 Jan - Thu, 16 Jan
13:36 - 11:10PDX-LHR
13h 34m1 stop
12:40 - 20:50LHR-PDX
16h 10m1 stop
£526Virgin Atlantic
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Fri, 10 Jan - Fri, 24 Jan
05:15 - 10:35PDX-LGW
21h 20m1 stop
Sun, 17 Nov
22:27 - 10:35PDX-LGW
28h 08m1 stop
Mon, 18 Nov
14:35 - 19:30PDX-LHR
20h 55m1 stop
£163Icelandair
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Mon, 18 Nov
14:35 - 19:30PDX-LHR
20h 55m1 stop
£165Icelandair
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Tue, 3 Dec
15:25 - 13:20PDX-LHR
13h 55m1 stop
£226Lufthansa
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Tue, 8 Apr
15:34 - 11:10PDX-LHR
11h 36m1 stop
£306Virgin Atlantic
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Wed, 4 Dec
18:30 - 12:10PDX-LHR
9h 40mdirect
£312British Airways
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Sun, 5 Jan
00:59 - 07:20PDX-LHR
22h 21m1 stop
£325British Airways
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Sun, 5 Jan
10:10 - 16:40PDX-LCY
22h 30m2 stops
£358Lufthansa
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Wed, 27 Nov
15:20 - 12:40PDX-LHR
13h 20m1 stop
£746Virgin Atlantic
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Sun, 8 Dec
05:15 - 10:35PDX-LGW
21h 20m1 stop
12:00 - 08:57LGW-PDX
28h 57m1 stop
Thu, 7 Nov - Sun, 17 Nov
05:15 - 10:35PDX-LGW
21h 20m1 stop
12:00 - 08:07LGW-PDX
28h 07m2 stops
Thu, 7 Nov - Sun, 17 Nov
14:35 - 10:55PDX-LGW
12h 20m1 stop
11:55 - 16:50LGW-PDX
12h 55m1 stop
£546Icelandair
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Tue, 5 Nov - Wed, 13 Nov
14:35 - 19:30PDX-LHR
20h 55m1 stop
20:40 - 16:50LHR-PDX
28h 10m1 stop
£547Icelandair
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Tue, 5 Nov - Tue, 12 Nov
14:35 - 19:30PDX-LHR
20h 55m1 stop
20:40 - 16:55LHR-PDX
28h 15m1 stop
£549Icelandair
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Tue, 5 Nov - Tue, 12 Nov
10:10 - 10:10PDX-LHR
16h 00m1 stop
06:30 - 18:24LHR-PDX
19h 54m2 stops
£574Lufthansa
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Tue, 5 Nov - Tue, 12 Nov
08:00 - 12:00PDX-LHR
20h 00m1 stop
06:30 - 18:24LHR-PDX
19h 54m2 stops
£595Lufthansa
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Tue, 5 Nov - Tue, 12 Nov
13:25 - 20:50PDX-LHR
23h 25m1 stop
06:30 - 11:25LHR-PDX
12h 55m1 stop
£620Virgin Atlantic
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Tue, 5 Nov - Sun, 17 Nov
05:30 - 12:05PDX-LHR
22h 35m1 stop
14:20 - 16:35LHR-PDX
10h 15mdirect
£725British Airways
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Tue, 5 Nov - Tue, 12 Nov
18:30 - 12:10PDX-LHR
9h 40mdirect
14:20 - 16:35LHR-PDX
10h 15mdirect
£755British Airways
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Fri, 8 Nov - Sun, 17 Nov
18:30 - 12:10PDX-LHR
9h 40mdirect
14:20 - 16:35LHR-PDX
10h 15mdirect
£496Iberia
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Wed, 15 Jan - Fri, 24 Jan
19:15 - 12:45PDX-LHR
9h 30mdirect
15:30 - 17:25LHR-PDX
9h 55mdirect
£498Iberia
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Tue, 22 Apr - Wed, 7 May
18:30 - 12:10PDX-LHR
9h 40mdirect
14:20 - 16:35LHR-PDX
10h 15mdirect
£509American Airlines
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Wed, 27 Nov - Tue, 10 Dec
18:30 - 12:10PDX-LHR
9h 40mdirect
14:20 - 16:35LHR-PDX
10h 15mdirect
£517American Airlines
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Tue, 7 Jan - Fri, 17 Jan
19:30 - 12:10PDX-LHR
9h 40mdirect
15:30 - 17:25LHR-PDX
9h 55mdirect
£519British Airways
Find Deal
Sun, 16 Mar - Thu, 3 Apr
18:30 - 12:10PDX-LHR
9h 40mdirect
14:20 - 16:35LHR-PDX
10h 15mdirect
£527British Airways
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Tue, 3 Dec - Wed, 11 Dec
18:30 - 12:10PDX-LHR
9h 40mdirect
14:20 - 16:35LHR-PDX
10h 15mdirect
£536Finnair
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Tue, 3 Dec - Wed, 11 Dec
18:30 - 12:10PDX-LHR
9h 40mdirect
14:20 - 16:35LHR-PDX
10h 15mdirect
£594Finnair
Find Deal
Tue, 19 Nov - Tue, 26 Nov
18:30 - 12:10PDX-LHR
9h 40mdirect
14:20 - 16:35LHR-PDX
10h 15mdirect
£1,106
Find Deal
Sun, 24 Nov - Wed, 27 Nov
18:30 - 12:10PDX-LHR
9h 40mdirect
14:20 - 16:35LHR-PDX
10h 15mdirect
£1,109
Find Deal
Sun, 24 Nov - Wed, 27 Nov

Air Canada flights from Portland to London

Our best Air Canada deals on Portland to London flight tickets
Air Canada
3 Dec
PDX10:10Portland
16h 00m
1 stop
LHR10:10London Heathrow
11 Dec
LHR13:00London Heathrow
13h 24m
1 stop
PDX18:24Portland
Air Canada
3 Dec
PDX10:10Portland
15h 10m
2 stops
LHR09:20London Heathrow
10 Dec
LHR18:00London Heathrow
28h 44m
2 stops
PDX14:44Portland
Air Canada
24 Nov
PDX10:10Portland
15h 10m
2 stops
LHR09:20London Heathrow
10 Dec
LHR14:30London Heathrow
32h 14m
2 stops
PDX14:44Portland

United Airlines flights from Portland to London

Our best United Airlines deals on Portland to London flight tickets
United Airlines
3 Dec
PDX10:10Portland
16h 00m
1 stop
LHR10:10London Heathrow
11 Dec
LHR15:00London Heathrow
37h 12m
2 stops
PDX20:12Portland
United Airlines
4 Dec
PDX10:10Portland
16h 00m
1 stop
LHR10:10London Heathrow
11 Dec
LHR13:00London Heathrow
13h 24m
1 stop
PDX18:24Portland
United Airlines
8 Dec
PDX07:40Portland
15h 45m
1 stop
LHR07:25London Heathrow
24 Dec
LHR10:25London Heathrow
16h 24m
1 stop
PDX18:49Portland

How to get the cheapest flight ticket from Portland to London

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?

What is the cheapest month to fly from Portland to London?

November. The cheapest time of year to fly to London from Portland is November. The most expensive is June.

What is the cheapest day to depart Portland for London?

Wednesday. The cheapest day of the week is usually Wednesday. The most expensive is usually Sunday.

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

In the afternoon. Portland to London flights are approximately 11% more expensive at midday than in the afternoon

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

Virgin Atlantic. Virgin Atlantic, American Airlines, and British Airways are the most popular carriers operating from Portland to London

What is the cheapest Portland to London flight route?

Portland - London Gatwick. Fly from Portland to London Gatwick for the best Portland - London flight prices

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

12 days before. The cheapest time to buy a flight from Portland to London is approximately 12 days to departure

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

As of November 2024, 1 flights take off from Portland and land in London each day. The most common flight departure time for this route is 18:00, with 100% of daily flights taking off in the evening.

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

As of November 2024, 13 flights take off from Portland and land in London each week. The most common flight departure day for this route is Tuesday, with 46% of weekly flights taking off on this day.

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

There are 2 cabin classes available to choose from on Portland to London 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 flights?

You could potentially save up to 50% on your flight if you consider stops on a Portland to London flight.

How have Portland to London flight prices changed over time?

As of November 2024, prices for Portland to London flights are approximately 4% cheaper when compared to flights at the same time last year.

When to book flights from Portland to London

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

Cheap Portland to London (PDX to LON) flight deals and tips

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

Best price found

£139

Fastest flight time

9h 30m

Direct flights

Every day

Airports in London

5 airports
The best one-way flight to London from Portland in the past 72 hours is £139. The best return flight deal from Portland to London found on momondo in the last 72 hours is £386.
The fastest flight from Portland to London takes 9h 30m
Direct flights go from Portland to London every day.
There are 5 airports near London: London City (LCY), London Heathrow (LHR), London Luton (LTN), London Stansted (STN), London Gatwick (LGW)

  • How far is Portland to London by plane?

    The straight-line distance from Portland to London is 4909.8 mi. A reasonable flight in good conditions will take 9h 30m.

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

    Prices for flights from Portland Airport to London refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to London.

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

    The necessary travel and health documents for your London 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?

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


Best airlines flying from Portland to London

Compare and see reviews for airlines that fly from Portland to London with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom £453Free CancellationRating
7.2
573 reviews
Search Icelandair flights
Virgin AtlanticPriceFrom £454Free CancellationRating
7.6
666 reviews
Search Virgin Atlantic flights
American AirlinesPriceFrom £495Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom £524Free CancellationRating
6.7
6,842 reviews
Search British Airways flights
IberiaPriceFrom £537Free CancellationRating
7.0
2,668 reviews
Search Iberia flights
  • American Airlines Flights From Portland to London

    American Airlines is one of the most popular airlines flying from Portland to London, operating 2 flights/week on average for this route. A good American Airlines flight deal for Portland to London starts from £642 round-trip, up to an average price of £942. Our users have rated American Airlines at 7.2/10.

  • Iberia Flights From Portland to London

    The best Iberia deal for Portland to London flight tickets found on momondo in the last 72 hours was £696, round-trip. It should be noted that an average Iberia flight deal for this route in this time was higher, at £1,086 round-trip. Iberia operates 1 flight out of Portland into London in an average week, so prices vary by time and availability. 2,668 Iberia reviews by users on momondo have scored the airline at 7.0/10.


Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Portland.

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

Flights from Portland to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Portland to London.

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

Yes momondo offers price alerts on flights to London from Portland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London