Cheap flights from the United Kingdom to Portland from £395

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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PDX
20 Aug — 27 Aug1
1 adult

Cheap flight deals from United Kingdom to Portland

Keep the following information in mind while searching for United Kingdom to Portland flight deals. Data was last updated 15 August 2025.

Round-trip from

£535

One-way from

£395

Popular in

August

Cheapest in

March

Average price

£810

Good round-trip deal

£618 or less

Good one-way deal

£634 or less
British Airways
  • British Airways
  • 1/9-10/9
  • 1 total stop
  • 24h 35m total
  • United Kingdom to Portland
5/10
  • 5/10
  • 3 total stops
  • 46h 33m total
  • United Kingdom to Portland
Highest demand for flights based on searches. 11% potential increase in price (£61 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Average for round-trip flights in August 2025
Price to beat on a round-trip flight from United Kingdom to Portland.
Price to beat on a one-way flight from United Kingdom to Portland.

Find flight deals from United Kingdom to Portland

Cheapest flights from United Kingdom to Portland
Explore the most affordable flight options available from United Kingdom to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 August 2025.

Mo 1/915:40LHR - PDX
Nonstop9h 55mBritish Airways
Mi 10/914:05PDX - LHR
1 stop14h 40mBritish Airways
Deal found 13/8£535
Mo 15/915:40LGW - PDX
1 stop34h 15mIcelandair
Mo 22/915:20PDX - LGW
1 stop15h 15mIcelandair
Deal found 13/8£535
Do 4/908:40LHR - PDX
2 stops18h 06mMultiple Airlines
Mo 8/919:40PDX - LHR
2 stops32h 10mMultiple Airlines
Deal found 13/8£536
Fr 5/914:10LHR - PDX
1 stop12h 36mAir Canada
Di 9/907:00PDX - LHR
2 stops15h 30mAir Canada
Deal found 13/8£537
Di 9/907:30LHR - PDX
2 stops17h 52mUnited Airlines
Di 16/910:51PDX - LHR
1 stop16h 54mUnited Airlines
Deal found 12/8£538
Mo 1/908:30LHR - PDX
2 stops20h 07mUnited Airlines
Mo 13/1005:30PDX - LHR
2 stops21h 40mUnited Airlines
Deal found 12/8£538
Mi 10/910:55LGW - PDX
1 stop16h 15mMultiple Airlines
So 21/906:05PDX - LGW
2 stops20h 50mMultiple Airlines
Deal found 13/8£538
Di 9/915:40LHR - PDX
Nonstop9h 55mBritish Airways
Di 16/914:06PDX - LHR
1 stop14h 39mBritish Airways
Deal found 12/8£539
Do 11/910:45LGW - PDX
1 stop16h 25mMultiple Airlines
Mo 22/920:37PDX - LGW
2 stops25h 43mMultiple Airlines
Deal found 13/8£539
Di 9/911:05LHR - PDX
1 stop15h 26mBrussels Airlines
Di 16/908:30PDX - LHR
1 stop13h 50mBrussels Airlines
Deal found 12/8£540
Mo 1/906:30LHR - PDX
1 stop12h 50mVirgin Atlantic
Mi 10/911:50PDX - LHR
1 stop13h 05mVirgin Atlantic
Deal found 13/8£541
Do 4/910:45LGW - PDX
1 stop17h 45mMultiple Airlines
Mo 8/907:21PDX - LGW
1 stop19h 29mMultiple Airlines
Deal found 13/8£541

Cheapflights Fare Finder

 
Customise your flight search to find flights from United Kingdom 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 15 August 2025.
Use the filters below to find and compare flights from the United Kingdom to Portland that are best for you.

Fly from

United Kingdom

Fly to

Portland

Route

Depart

Return

Price

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Mo 1/9

15:40-17:35

Nonstop9h 55m

Portland

Mi 10/9

14:05-12:45

1 stop14h 40m

£535

LondonPortland

LGW - PDX

LGWPDX

London Gatwick

Mo 15/9

15:40-17:55

1 stop34h 15m

Portland

Mo 22/9

15:20-14:35

1 stop15h 15m

£535

LondonPortland

LGW - PDX

LGWPDX

London Gatwick

Mi 10/9

10:55-20:30

1 stop17h 35m

Portland

Sa 20/9

07:04-09:30

2 stops18h 26m

£535

LondonPortland

LGW - PDX

LGWPDX

London Gatwick

Do 11/9

10:45-19:10

1 stop16h 25m

Portland

Fr 19/9

10:30-10:55

1 stop16h 25m

£535

LondonPortland

LGW - PDX

LGWPDX

London Gatwick

Mo 15/9

15:40-17:55

1 stop34h 15m

Portland

So 21/9

15:20-14:40

1 stop15h 20m

£535

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Mo 29/9

14:10-18:46

1 stop12h 36m

Portland

Mo 6/10

08:35-06:20

1 stop13h 45m

£536

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Fr 5/9

14:10-18:46

1 stop12h 36m

Portland

Di 9/9

07:00-06:30

2 stops15h 30m

£537

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Mo 8/9

06:30-14:46

2 stops16h 16m

Portland

So 21/9

10:51-11:45

1 stop16h 54m

£537

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Fr 5/9

20:05-18:46

2 stops30h 41m

Portland

Di 9/9

10:55-10:40

2 stops15h 45m

£538

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Mo 29/9

08:20-17:04

1 stop16h 44m

Portland

Mo 6/10

19:25-13:00

Nonstop9h 35m

£538

Flights are sorted by cheapest return flights first.

Deals found on 13/8

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from United Kingdom to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from United Kingdom 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.

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to Portland

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

Currently, January is the cheapest month in which you can book a flight from United Kingdom to Portland (average of £736). Flying from United Kingdom 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 GB to PDX?

Find hourly flight availability from United Kingdom 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 15 August 2025.

When flying from United Kingdom to Portland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from United Kingdom to Portland

Explore weekly flight availability from United Kingdom to Portland. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 15 August 2025.

The most flights from GB0 to PDX are scheduled on a Monday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

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 15 August 2025.
Read through reviews of airlines operating flights from the United Kingdom to Portland, such as KLM, Finnair, andVirgin Atlantic. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.8

Entertainment

7.1

Comfort

7.7

Boarding

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Overall

7.8

Entertainment

7.1

Comfort

7.7

Boarding

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Overall

7.8

Entertainment

7.1

Comfort

7.7

Boarding

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Overall

7.8

Entertainment

7.1

Comfort

7.7

Boarding

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Overall

7.8

Entertainment

7.1

Comfort

7.7

Boarding

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Overall

7.8

Entertainment

7.1

Comfort

7.7

Boarding

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

Find useful and relevant information for your journey from United Kingdom 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 United Kingdom?

    For a flight from United Kingdom to Portland, you will be flying into Portland. Portland (PDX) is just 6.0 mi from the center of the city.

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

    The cheapet airlines for a one-way flight from United Kingdom to Portland are WestJet (£501), Icelandair (£507), and SWISS (£558).

  • What are the most popular routes from United Kingdom to Portland?

  • What are the most reliable airlines from United Kingdom 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 United Kingdom to Portland on time: American Airlines (68%), Alaska Airlines (68%), Aer Lingus (68%).

  • What are the cheapest flights from United Kingdom to Portland?

    Looking at all options, your cheapest flight can be booked for £537. While the most popular route (London Heathrow - Portland) can be booked for £457 on average our data indicates £1,415 when flying from United Kingdom to Portland.

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

    Yes. In addition to deals on United Kingdom to Portland flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from United Kingdom to Portland?

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

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

    Yes. Cheapflights offers flight deals from United Kingdom 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 United Kingdom to Portland?

    Currently, January is the cheapest month in which you can book a flight from United Kingdom to Portland (average of £736). Flying from United Kingdom 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

Travelling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Cannon Beach
Lincoln City

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from United Kingdom to Portland

Discover the top 10 airlines that operate flights from United Kingdom 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 15 August 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£436Average£677FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
United AirlinesCheapest£471Average£671FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest£492Average£567FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest£493Average£701FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£496Average£652FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LufthansaCheapest£500Average£646FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Virgin AtlanticCheapest£502Average£702FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air FranceCheapest£537Average£577FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£547Average£737FlexibilityNo cancel feeOn-time75%
Search KLM flights
American AirlinesCheapest£551Average£684FlexibilityNo cancel feeOn-time71%
Search American Airlines 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 United Kingdom to Portland?

Deals for United Kingdom to Portland flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights simply makes it quick and affordable to book flights from United Kingdom to Portland by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Certainly. Search results for flights to Portland from United Kingdom shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.