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Cheap flights from Portland to London from $205

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 1/12. 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 - 2:40 pmPDX-LGW
15h 20m1 stop
3:40 pm - 5:55 pmLGW-PDX
34h 15m1 stop
$546Icelandair
Find Deal
Sun, May 4 - Wed, May 21
3:20 pm - 8:20 pmPDX-LHR
21h 00m1 stop
1:05 pm - 5:55 pmLHR-PDX
12h 50m1 stop
$549Icelandair
Find Deal
Wed, Apr 30 - Tue, May 6
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
2:20 pm - 4:35 pmLHR-PDX
10h 15mnonstop
$643Iberia
Find Deal
Tue, Feb 11 - Wed, Feb 19
7:15 pm - 12:45 pmPDX-LHR
9h 30mnonstop
3:30 pm - 5:25 pmLHR-PDX
9h 55mnonstop
$646Iberia
Find Deal
Tue, Apr 22 - Fri, May 2
7:35 am - 7:20 amPDX-LHR
15h 45m1 stop
2:20 pm - 4:35 pmLHR-PDX
10h 15mnonstop
$647British Airways
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Tue, Feb 4 - Tue, Feb 11
12:08 pm - 10:50 amPDX-LHR
14h 42m1 stop
3:30 pm - 5:25 pmLHR-PDX
9h 55mnonstop
$649British Airways
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Sun, Mar 30 - Thu, Apr 10
5:00 pm - 11:10 amPDX-LHR
11h 10m1 stop
6:30 am - 11:30 amLHR-PDX
13h 00m1 stop
$669Delta
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Tue, Mar 18 - Wed, Apr 9
12:45 am - 7:05 amPDX-LHR
22h 20m1 stop
6:30 am - 6:54 pmLHR-PDX
20h 24m2 stops
$670Delta
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Mon, Feb 17 - Tue, Feb 25
6:11 pm - 4:05 pmPDX-LHR
13h 54m1 stop
2:20 pm - 5:35 pmLHR-PDX
10h 15mnonstop
$774American Airlines
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Fri, Mar 7 - Sun, Mar 16
12:07 pm - 10:50 amPDX-LHR
14h 43m1 stop
3:30 pm - 5:25 pmLHR-PDX
9h 55mnonstop
$777American Airlines
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Thu, Apr 24 - Sat, May 3
10:16 am - 10:35 amPDX-LGW
16h 19m1 stop
Sun, Jan 12
5:00 am - 10:35 amPDX-LGW
21h 35m1 stop
Sun, Dec 8
2:35 pm - 7:30 pmPDX-LHR
20h 55m1 stop
$273Icelandair
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Thu, Dec 12
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
$405British Airways
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Tue, Feb 11
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
$408American Airlines
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Sun, Feb 23
5:55 am - 8:10 amPDX-LGW
18h 15m2 stops
$412American Airlines
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Tue, Apr 29
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
$453British Airways
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Fri, Jan 10
2:04 pm - 6:50 pmPDX-LGW
20h 46m2 stops
$510Iberia
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Sat, Mar 1
3:20 pm - 8:20 pmPDX-LHR
21h 00m1 stop
$531Icelandair
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Wed, May 7
7:15 pm - 12:45 pmPDX-LHR
9h 30mnonstop
$539Iberia
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Wed, May 7
2:35 pm - 7:30 pmPDX-LHR
20h 55m1 stop
8:40 pm - 4:50 pmLHR-PDX
28h 10m1 stop
$604Icelandair
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Tue, Nov 26 - Tue, Dec 10
2:35 pm - 10:55 amPDX-LGW
12h 20m1 stop
12:00 pm - 8:28 pmLGW-PDX
16h 28m1 stop
Tue, Nov 26 - Tue, Dec 10
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
2:20 pm - 4:35 pmLHR-PDX
10h 15mnonstop
$766American Airlines
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Tue, Nov 26 - Tue, Dec 10
7:40 am - 7:20 amPDX-LHR
15h 40m1 stop
2:20 pm - 4:35 pmLHR-PDX
10h 15mnonstop
$770British Airways
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Tue, Nov 26 - Tue, Dec 10
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
12:30 pm - 10:44 pmLHR-PDX
18h 14m1 stop
$916American Airlines
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Tue, Nov 26 - Fri, Dec 27
12:59 am - 7:05 amPDX-LHR
22h 06m1 stop
3:50 pm - 11:56 pmLHR-PDX
16h 06m1 stop
$921Delta
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Mon, Nov 25 - Fri, Dec 27
12:59 am - 7:05 amPDX-LHR
22h 06m1 stop
6:30 am - 11:56 pmLHR-PDX
25h 26m2 stops
$997Delta
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Mon, Nov 25 - Fri, Dec 27
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
2:20 pm - 4:35 pmLHR-PDX
10h 15mnonstop
$1,235British Airways
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Tue, Nov 26 - Fri, Dec 27
5:30 am - 7:20 amPDX-LHR
17h 50m1 stop
2:20 pm - 4:35 pmLHR-PDX
10h 15mnonstop
$1,341Iberia
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Mon, Nov 25 - Fri, Dec 27
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
2:20 pm - 4:35 pmLHR-PDX
10h 15mnonstop
$2,200Iberia
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Sun, Nov 24 - Fri, Dec 27
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
2:20 pm - 4:35 pmLHR-PDX
10h 15mnonstop
$643Iberia
Find Deal
Tue, Feb 11 - Wed, Feb 19
7:15 pm - 12:45 pmPDX-LHR
9h 30mnonstop
3:30 pm - 5:25 pmLHR-PDX
9h 55mnonstop
$645Iberia
Find Deal
Mon, Apr 28 - Fri, May 9
7:15 pm - 12:45 pmPDX-LHR
9h 30mnonstop
3:30 pm - 5:25 pmLHR-PDX
9h 55mnonstop
$646Iberia
Find Deal
Mon, Apr 28 - Fri, May 9
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
2:20 pm - 4:35 pmLHR-PDX
10h 15mnonstop
$655Finnair
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Tue, Feb 11 - Tue, Feb 18
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
2:20 pm - 4:35 pmLHR-PDX
10h 15mnonstop
$659Finnair
Find Deal
Wed, Jan 8 - Fri, Jan 17
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
2:20 pm - 4:35 pmLHR-PDX
10h 15mnonstop
$666British Airways
Find Deal
Tue, Jan 7 - Fri, Jan 17
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
2:20 pm - 5:35 pmLHR-PDX
10h 15mnonstop
$670British Airways
Find Deal
Tue, Feb 25 - Tue, Mar 18
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
2:20 pm - 4:35 pmLHR-PDX
10h 15mnonstop
$740American Airlines
Find Deal
Wed, Feb 19 - Tue, Feb 25
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
2:20 pm - 5:35 pmLHR-PDX
10h 15mnonstop
$755American Airlines
Find Deal
Sun, Feb 16 - Sun, Mar 23
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
2:20 pm - 4:35 pmLHR-PDX
10h 15mnonstop
$920Alaska Airlines
Find Deal
Fri, Feb 14 - Fri, Feb 21

Air Canada flights from Portland to London

Our best Air Canada deals on Portland to London flight tickets
Air Canada
Mar 12
PDX10:10 amPortland
16h 10m
2 stops
LHR9:20 amLondon Heathrow
Mar 19
LHR2:30 pmLondon Heathrow
26h 04m
2 stops
PDX9:34 amPortland
Air Canada
Mar 12
PDX6:00 amPortland
21h 10m
1 stop
LHR10:10 amLondon Heathrow
Mar 19
LHR1:00 pmLondon Heathrow
12h 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

Lufthansa flights from Portland to London

Our best Lufthansa deals on Portland to London flight tickets
Lufthansa
Feb 4
PDX10:10 amPortland
37h 00m
2 stops
LHR7:10 amLondon Heathrow
Feb 12
LHR6:30 amLondon Heathrow
19h 54m
2 stops
PDX6:24 pmPortland
Lufthansa
Mar 11
PDX10:10 amPortland
16h 10m
2 stops
LHR9:20 amLondon Heathrow
Mar 21
LHR6:30 amLondon Heathrow
18h 54m
2 stops
PDX6:24 pmPortland
Lufthansa
Apr 23
PDX3:25 pmPortland
13h 55m
1 stop
LHR1:20 pmLondon Heathrow
May 1
LHR2:10 pmLondon Heathrow
12h 35m
1 stop
PDX6:45 pmPortland

See travel insights to London from

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 cheapest month to fly to London?

The cheapest month to fly to London from Portland is in October. Flight prices, which tend to average around $708, are often lower during this time because this is during the off-season. The month of November is another great option to travel to London, with average flight prices from Portland averaging around $720.

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

The cheapest day to depart from Portland to London is on a Tuesday. Travelers who choose to depart for London on a Tuesday will often find tickets for as low as $836. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $976. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

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

Flying to London from Portland in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $810 when looking at flights departing in the afternoon. Flights to London are more costly in the evening, with an average ticket price of $974. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Portland to London flight route?

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

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

Most flyers found that booking tickets 23 days in advance of their planned departure date is the best time to get cheap flights to London. During this timeframe, flight prices are around $879. Don’t hesitate to check prices now though because momondo users recently found tickets for as low as $692.

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

There are 3 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 57% 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 15% 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 round-trip 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

$205

Fastest flight time

9h 30m

Direct flights

Every day

Airports in London

6 airports
The best one-way flight to London from Portland in the past 72 hours is $205. The best round-trip flight deal from Portland to London found on momondo in the last 72 hours is $546.
The fastest flight from Portland to London takes 9h 30m
Direct flights go from Portland to London every day.
There are 6 airports near London: London City (LCY), London Heathrow (LHR), London Luton (LTN), London Stansted (STN), London Gatwick (LGW), London Southend (SEN)

  • How far is Portland to London by plane?

    The distance between Portland and London is about 4909.8 mi. Typically, this will take 9h 30m by plane in normal conditions.

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

    Prices for flights from Portland Airport to London are refreshed on a daily basis.

  • 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?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable 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 $503Free CancellationRating
7.2
553 reviews
Search Icelandair flights
KLMPriceFrom $576Free CancellationRating
7.8
1,349 reviews
Search KLM flights
Air CanadaPriceFrom $580Free CancellationRating
7.0
8,246 reviews
Search Air Canada flights
LufthansaPriceFrom $592Free CancellationRating
6.8
7,143 reviews
Search Lufthansa flights
FinnairPriceFrom $597Free CancellationRating
7.7
1,300 reviews
Search Finnair flights
IberiaPriceFrom $600Free CancellationRating
7.0
2,661 reviews
Search Iberia flights
DeltaPriceFrom $602Free CancellationRating
8.0
8,755 reviews
Search Delta flights
United AirlinesPriceFrom $624Free CancellationRating
7.4
9,172 reviews
Search United Airlines flights
American AirlinesPriceFrom $628Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom $643Free CancellationRating
6.6
6,831 reviews
Search British Airways flights
  • Alaska Airlines Flights From Portland to London

    The lowest priced Alaska Airlines flight from Portland to London from the last 72 hours was $864. Generally, Alaska Airlines has 1 flight on this route every week with an average price of $1,042. Alaska Airlines is rated 8.0/10 by our users.

  • Finnair Flights From Portland to London

    Across 1,300 Finnair reviews on momondo, the average score is 7.7/10. Finnair flies from Portland to London 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?

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?

All flight searches from Portland to London on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Portland and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Portland to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London