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$489+ Cheap flights from London (LON) to Portland (PDX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
LON — PDX
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
1 adult, Economy
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The best prices from London to Portland are usually found in November or February, booked 63 days in advance, depart on a Friday or Monday and return on a Tuesday

Cheap flight deals from London to Portland

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Portland (PDX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$683
(lol.travel)

One-way from

$489
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$779

Good round-trip deal

$782 or less

Good one-way deal

$780 or less
Provider with most accurate pricing for London (LON)-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-Portland flights.
Search Deals
From London (LON) to Portland
Search Deals
One-way flight from London (LON) to Portland
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($146 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals
Price to beat on a round-trip flight from London (LON) to Portland.
Search Deals
Price to beat on a one-way flight from London (LON) to Portland.
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Find flight deals from London to Portland

Cheapest flights from London to Portland
Explore the most affordable flight options available from London to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 20, 2025.

This lol.travel deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/206:00 pmLHR - PDX
2 stops27h 44mAir Canada
mié. 4/26:00 amPDX - LHR
2 stops16h 30mAir Canada
Deal found 2/19$683
This United Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/277:40 amLHR - PDX
2 stops33h 13mUnited Airlines
jue. 3/61:39 pmPDX - LHR
2 stops15h 51mUnited Airlines
Deal found 2/20$685
This Gotogate deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 3/2111:30 amLHR - PDX
2 stops20h 20mLufthansa
jue. 4/32:02 pmPDX - LHR
1 stop13h 43mLufthansa
Deal found 2/20$688
This Mytrip deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/2012:00 pmLGW - PDX
1 stop29h 20mMultiple Airlines
mié. 4/26:13 pmPDX - LGW
3 stops31h 47mMultiple Airlines
Deal found 2/19$690
This StudentUniverse deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/2110:30 amLHR - PDX
1 stop16h 13mFinnair
mié. 4/307:35 amPDX - LHR
1 stop14h 50mFinnair
Deal found 2/19$700
This TravelUp deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/192:20 pmLHR - PDX
Nonstop10h 15mBritish Airways
mié. 3/265:00 amPDX - LHR
1 stop19h 20mBritish Airways
Deal found 2/19$707
This Mytrip deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/199:25 amLCY - PDX
3 stops31h 55mMultiple Airlines
mié. 3/2611:15 amPDX - LCY
3 stops24h 25mMultiple Airlines
Deal found 2/19$715
This American Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/223:40 pmLHR - PDX
Nonstop9h 55mAmerican Airlines
mar. 4/2911:57 amPDX - LHR
1 stop14h 53mAmerican Airlines
Deal found 2/18$723
This Mytrip deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 3/218:00 amLHR - PDX
2 stops35h 25mMultiple Airlines
jue. 4/311:15 amPDX - LHR
2 stops20h 25mMultiple Airlines
Deal found 2/20$725
This Expedia deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/13:40 pmLHR - PDX
Nonstop9h 55mIberia
mar. 5/67:25 pmPDX - LHR
Nonstop9h 35mIberia
Deal found 2/20$739
This EaseMyTrip deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/171:00 pmLGW - PDX
1 stop12h 55mIcelandair
jue. 6/263:20 pmPDX - LGW
1 stop15h 20mIcelandair
Deal found 2/19$744
This EaseMyTrip deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/187:15 pmLHR - PDX
1 stop24h 05mVirgin Atlantic
sáb. 5/31:50 pmPDX - LHR
1 stop16h 25mVirgin Atlantic
Deal found 2/20$750

Find flights from London to Portland within your budget

Customize your flight search to find flights from London to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated febrero 20, 2025.

Fly from

London

Fly to

Portland

Route

Depart

Return

Price

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

jue. 3/20

6:00 pm-2:44 pm

2 stops27h 44m

Portland

mié. 4/2

6:00 am-6:30 am

2 stops16h 30m

$683

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

jue. 3/27

11:10 am-10:55 pm

2 stops18h 45m

Portland

vie. 4/4

5:00 am-12:20 pm

1 stop23h 20m

$685

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

vie. 3/21

11:30 am-12:50 am

2 stops20h 20m

Portland

jue. 4/3

2:02 pm-11:45 am

1 stop13h 43m

$688

LondonPortland

LGW - PDX

LGWPDX

London Gatwick

jue. 3/20

12:00 pm-10:20 am

1 stop29h 20m

Portland

mié. 4/2

6:13 pm-10:00 am

3 stops31h 47m

$690

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

lun. 4/21

10:30 am-6:43 pm

1 stop16h 13m

Portland

mié. 4/30

7:35 am-6:25 am

1 stop14h 50m

$700

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

mié. 3/19

2:20 pm-5:35 pm

Nonstop10h 15m

Portland

mié. 3/26

5:00 am-7:20 am

1 stop19h 20m

$707

LondonPortland

LCY - PDX

LCYPDX

London City

mié. 3/19

9:25 am-10:20 am

3 stops31h 55m

Portland

mié. 3/26

11:15 am-6:40 pm

3 stops24h 25m

$715

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

vie. 3/21

1:00 pm-12:50 am

2 stops18h 50m

Portland

sáb. 3/29

10:10 am-9:00 am

2 stops15h 50m

$716

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

mar. 4/22

3:40 pm-5:35 pm

Nonstop9h 55m

Portland

mar. 4/29

11:57 am-10:50 am

1 stop14h 53m

$723

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

jue. 5/1

3:40 pm-5:35 pm

Nonstop9h 55m

Portland

mar. 5/6

7:25 pm-1:00 pm

Nonstop9h 35m

$739

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 58 results
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6

Compare providers for flights from London to Portland

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from London to Portland in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
Kiwi.comPrice Accuracy3 starsTrust Score*2 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London-Portland flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London-Portland flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London-Portland flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London-Portland flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London-Portland flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from London to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from London with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from London to Portland

Get recent, data-driven insights about flights from London to Portland including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from London to Portland?

Use this chart to determine the optimal time to book a round-trip flight from London to Portland. Price data was last updated on February 14, 2025.

To ensure you get the cheapest price possible for a flight from London to Portland, you should look to book at least 63 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from London to Portland?

Currently, November is the cheapest month in which you can book a flight from London to Portland (average of $277). Flying from London to Portland in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LON to PDX?

Find hourly flight availability from London to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated febrero 20, 2025.

It’s optimal to fly from London to Portland in the afternoon. By choosing this option you can save up to 10% on the cost of your flight, compared to a flight in the morning.

Rainfall in Portland by month

Plan your trip to Portland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portland ranges from 0.7 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Portland when rainfall is around 0.7 in.

Temperature in Portland by month

Plan your trip to Portland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated febrero 20, 2025.
Read through reviews of airlines operating flights from London to Portland, such as Delta, Air New Zealand and KLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,219 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air New Zealand
7.9
Good
461 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.6
Good
1,274 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

SWISS
7.5
Good
1,568 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from London to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Portland from London?

    For a flight from London to Portland, you will be flying into Portland. Portland (PDX) is just 6.0 mi from the center of the city. Portland is the only Portland airport and it handles 1 inbound flight from London per day. 4 airlines have flights to Portland from London on a regular basis.

  • What are the cheapest airlines flying from London to Portland round-trip?

    Currently priced at $683, Air Canada will fly you from London to Portland and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Lufthansa - these airlines can fly you to your destination from $685 and $688, respectively. Air Canada is priced at 23% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from London to Portland one-way?

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as $585. Users have also found prices from $631 and $741 on Icelandair and Aer Lingus, respectively.

  • What are the most popular routes from London to Portland?

    While some choose either London Gatwick - Portland or London City - Portland, London Heathrow - Portland is the most popular route from London to Portland.

  • What are the most reliable airlines from London to Portland?

    Before booking your flight to Portland from London, check out the most reliable airlines to get you to your destination on time: American Airlines (78%), Alaska Airlines (78%), Finnair( 78%).

  • What are the cheapest flights from London to Portland?

    Looking for the cheapest flight from London to Portland? While on average our users pay $1,300, our data indicates the cheapest price to be $669. The most popular route (London Heathrow - Portland), is priced around $548.

  • Can I find deals for flights from London to Portland that include hotel bookings?

    Yes. In addition to deals on London to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Portland.

  • Can I find deals for business class flights from London to Portland?

    Yes. Cheapflights offers flight deals from London to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London to Portland?

    Currently, November is the cheapest month in which you can book a flight from London to Portland (average of $277). Flying from London to Portland in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
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Top 4 airlines flying from London to Portland

Discover the top 4 airlines that operate flights from London to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$701Average$758FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$730Average$1,050FlexibilityNo cancel feeOn-time70%
IberiaCheapest$801Average$1,227FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$818Average$1,193FlexibilityNo cancel feeOn-time71%
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