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Cheap flights from London to Portland from £539

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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
LON — PDX
24 Dec — 31 Dec1
1 adult

The best prices from London to Portland are usually found in February or January, booked 76 days in advance, depart on a Tuesday or Monday and return on a Wednesday

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 19 December 2024.

Round-trip from

£593

One-way from

£539

Popular in

August

Cheapest in

February

Average price

£778
Delta
  • Delta
  • 2/5-19/5
  • 2 total stops
  • 28h 50m total
  • London to Portland
Search Deals
12/2
  • 12/2
  • 1 total stop
  • 37h 23m total
  • London to Portland
Search Deals
High demand for flights, 14% potential price rise
Search Deals
Best time to find cheap flights, 3% potential price drop
Search Deals
Average for round-trip flights in December 2024
Search Deals

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 19 December 2024.

Tue 31/1210:40LHR - PDX
1 stop18h 35mBritish Airways
Sun 19/123:59PDX - LHR
1 stop22h 21mBritish Airways
Deal found 18/12£603
Tue 31/1209:10LHR - PDX
2 stops21h 13mVirgin Atlantic
Sun 19/113:36PDX - LHR
1 stop15h 04mVirgin Atlantic
Deal found 18/12£623
Tue 24/1212:00LGW - PDX
1 stop33h 49mMultiple Airlines
Tue 14/106:41PDX - LGW
1 stop15h 19mMultiple Airlines
Deal found 18/12£660
Tue 31/1206:30LHR - PDX
1 stop12h 55mKLM
Sun 19/112:45PDX - LHR
1 stop13h 50mKLM
Deal found 18/12£811
Tue 31/1214:20LHR - PDX
Nonstop10h 15mAmerican Airlines
Sun 19/118:30PDX - LHR
Nonstop9h 40mAmerican Airlines
Deal found 18/12£816
Tue 31/1210:45LHR - PDX
1 stop20h 10mDelta
Sun 19/107:10PDX - LHR
2 stops19h 20mDelta
Deal found 18/12£834
Tue 24/1217:05LHR - PDX
2 stops30h 04mIberia
Tue 14/114:31PDX - LHR
1 stop13h 34mIberia
Deal found 18/12£894
Tue 24/1212:15LHR - PDX
2 stops18h 06mMultiple Airlines
Tue 14/107:05PDX - LHR
2 stops19h 45mMultiple Airlines
Deal found 18/12£898
Tue 24/1214:20LHR - PDX
Nonstop10h 15mFinnair
Tue 14/118:30PDX - LHR
Nonstop9h 40mFinnair
Deal found 18/12£907
Tue 24/1216:00LHR - PDX
2 stops34h 49mLufthansa
Sat 11/119:05PDX - LHR
1 stop31h 05mLufthansa
Deal found 18/12£933
Tue 31/1211:35LHR - PDX
2 stops16h 48mUnited Airlines
Tue 7/113:40PDX - LHR
1 stop14h 20mUnited Airlines
Deal found 18/12£1,070
Tue 24/1206:40LHR - PDX
2 stops24h 55mScandinavian Airlines
Tue 14/113:00PDX - LHR
2 stops21h 30mScandinavian Airlines
Deal found 18/12£1,118

Find flights from London to Portland within your budget

Customise 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 858,174 searches. Data last updated 19 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Fri 2/5

06:30-11:20

1 stop12h 50m

Portland

Thu 15/5

05:30-09:10

1 stop19h 40m

£593

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Tue 28/1

06:30-18:24

2 stops19h 54m

Portland

Sun 9/2

19:05-07:10

2 stops28h 05m

£595

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Wed 15/1

14:20-16:35

Nonstop10h 15m

Portland

Wed 22/1

12:00-12:05

1 stop16h 05m

£596

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Wed 15/1

09:30-20:37

2 stops19h 07m

Portland

Wed 22/1

11:52-10:50

1 stop14h 58m

£599

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Wed 30/4

10:30-18:44

1 stop16h 14m

Portland

Sat 17/5

19:25-13:00

Nonstop9h 35m

£599

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Thu 1/5

19:55-12:26

2 stops48h 31m

Portland

Sat 17/5

23:39-06:20

2 stops22h 41m

£603

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Sun 26/1

13:50-23:05

1 stop17h 15m

Portland

Tue 11/2

12:00-12:00

2 stops16h 00m

£604

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Wed 15/1

15:00-14:44

2 stops31h 44m

Portland

Wed 22/1

06:00-07:10

2 stops17h 10m

£614

LondonPortland

LGW - PDX

LGWPDX

London Gatwick

Tue 28/1

12:00-00:07

2 stops44h 07m

Portland

Sun 9/2

10:37-10:35

1 stop15h 58m

£615

LondonPortland

LGW - PDX

LGWPDX

London Gatwick

Wed 15/1

12:30-11:06

2 stops30h 36m

Portland

Wed 22/1

05:31-09:00

2 stops19h 29m

£622

Flights are sorted by cheapest return flights first.

Deals found on 18/12

Showing 1-10 of 54 results
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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 return 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 return flight from London to Portland. Price data was last updated on 13 December 2024.

The best time to book flights from London to Portland is 76 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from London to Portland (average of £736). Flying from London to Portland in July is currently the most expensive (average of £1,048). 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 19 December 2024.

When flying from London to Portland, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 17% versus a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly return from London to Portland. Price data was last updated on 20 October 2024.

Travellers seeking maximum savings on their London to Portland flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 18.0 - 142.0 inches per month. November is typically the wettest month, when rainfall can reach 142.0 mm. July is typically the driest time to visit Portland when rainfall is around 18.0 mm.

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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

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 19 December 2024.
Peruse reviews from past customers who have flown with British Airways, United Airlines and Air Canada from London to Portland to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
8,604 reviews
Check prices

Crew

8.6

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

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

Delta
8.0
Very Good
8,604 reviews
Delta
8.0
Very Good
8,604 reviews
Check prices

Crew

8.6

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

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

Air New Zealand
8.0
Very Good
497 reviews
Delta
8.0
Very Good
8,604 reviews
Check prices

Crew

8.6

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

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

KLM
7.8
Good
1,349 reviews
Delta
8.0
Very Good
8,604 reviews
Check prices

Crew

8.6

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

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

Finnair
7.7
Good
1,285 reviews
Delta
8.0
Very Good
8,604 reviews
Check prices

Crew

8.6

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

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

SWISS
7.6
Good
1,605 reviews
Delta
8.0
Very Good
8,604 reviews
Check prices

Crew

8.6

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

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?

    Most people fly into Portland (PDX) if they book a flight to Portland from London. On average, Portland has 2 inbound flights from London per day from 9 airlines. Portland is conveniently located just 6.0 mi from Portland’s city center.

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

    Currently priced at £593, Delta will fly you from London to Portland and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and United Airlines - these airlines can fly you to your destination from £596 and £599, respectively. Delta is 15% cheaper than the average price of flights available within the next 90 days to this destination.

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

    For one-way options, check prices for Aer Lingus. According to our data, you can fly for as low as £539. Users have also found prices from £559 and £569 on Icelandair and Iberia, respectively.

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

    The most popular route from London to Portland is London Heathrow - Portland. You may also consider London Gatwick - Portland or London City - Portland.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London to Portland on time: American Airlines (65%), Alaska Airlines (65%), Aer Lingus (65%).

  • What are the cheapest flights from London to Portland?

    While on average a flight from London to Portland is generally £954, our data shows the cheapest flight currently is £504. When looking at the most popular route, (London Heathrow - Portland), you can expect to pay £484 for that flight.

  • 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 holiday 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, January is the cheapest month in which you can book a flight from London to Portland (average of £736). Flying from London to Portland in July is currently the most expensive (average of £1,048). 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

Browse thousands of different options on Cheapflights for your next trip

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Fly from London to Portland on these airlines

Choose from the following airlines for your flight from London to Portland. Flights are based on user searches made on Cheapflights and were last updated on 19 December 2024.
British Airways flights from London to Portland
Finnair flights from London to Portland
Virgin Atlantic flights from London to Portland

Top 9 airlines flying from London to Portland

Discover the top 9 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 858,174 searches. Data last updated 19 December 2024.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£469Average£737FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
United AirlinesCheapest£482Average£605FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest£496Average£587FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
FinnairCheapest£507Average£647FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£516Average£724FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£523Average£674FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£562Average£643FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IberiaCheapest£568Average£821FlexibilityNo cancel feeOn-time77%
Search Iberia flights
KLMCheapest£581Average£696FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Portland?

Cheapflights helps you search for flights from London to Portland via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from London to Portland?

Cheapflights helps you find that perfect flight to Portland from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from London to Portland with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from London to Portland, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from London to Portland become cheaper?

Yes, Cheapflights offers price alerts on London to Portland flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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