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Cheap flights from the United Kingdom to Portland from £287

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 27/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PDX
18 Jun — 25 Jun1
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 13 June 2025.

Round-trip from

£538

One-way from

£287

Popular in

August

Cheapest in

March

Average price

£703

Good round-trip deal

£546 or less

Good one-way deal

£675 or less
Icelandair
  • Icelandair
  • 29/8-24/9
  • 2 total stops
  • 25h 40m total
  • United Kingdom to Portland
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27/8
  • 27/8
  • 2 total stops
  • 47h 54m total
  • United Kingdom to Portland
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£93 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from United Kingdom to Portland.
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Price to beat on a one-way flight from United Kingdom to Portland.
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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 13 June 2025.

Mon 3/1111:55MAN - PDX
1 stop13h 05mIcelandair
Mon 10/1114:45PDX - MAN
1 stop12h 00mIcelandair
Deal found 12/6£535
Fri 29/814:20GLA - PDX
1 stop11h 35mIcelandair
Thu 25/915:20PDX - GLA
1 stop14h 05mIcelandair
Deal found 11/6£538
Tue 26/821:25LHR - PDX
1 stop28h 30mIcelandair
Sat 6/915:20PDX - LHR
1 stop21h 00mIcelandair
Deal found 12/6£542
Thu 20/1108:20LHR - PDX
1 stop16h 29mBritish Airways
Sun 23/1118:30PDX - LHR
Nonstop9h 40mBritish Airways
Deal found 12/6£543
Wed 18/606:30LHR - PDX
1 stop12h 50mVirgin Atlantic
Tue 8/717:45PDX - LHR
1 stop12h 30mVirgin Atlantic
Deal found 11/6£544
Tue 23/909:20LCY - PDX
2 stops21h 00mVirgin Atlantic
Wed 1/1013:15PDX - LCY
1 stop20h 05mVirgin Atlantic
Deal found 11/6£545
Fri 21/1106:30LHR - PDX
1 stop12h 55mKLM
Fri 5/1213:37PDX - LHR
1 stop13h 23mKLM
Deal found 11/6£546
Mon 3/1111:55LGW - PDX
1 stop13h 05mIcelandair
Mon 8/1214:45PDX - LGW
1 stop12h 10mIcelandair
Deal found 11/6£548
Wed 20/809:55LHR - PDX
1 stop17h 15mMultiple Airlines
Sat 20/917:35PDX - LHR
2 stops42h 25mMultiple Airlines
Deal found 11/6£549
Wed 24/915:40LHR - PDX
Nonstop9h 55mAmerican Airlines
Sat 4/1019:25PDX - LHR
Nonstop9h 35mAmerican Airlines
Deal found 12/6£550
Mon 1/911:35GLA - PDX
1 stop14h 00mBritish Airways
Mon 22/919:25PDX - GLA
1 stop13h 20mBritish Airways
Deal found 11/6£551
Mon 1/906:25EDI - PDX
1 stop19h 10mBritish Airways
Mon 22/919:25PDX - EDI
1 stop13h 15mBritish Airways
Deal found 11/6£555

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 13 June 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

ManchesterPortland

MAN - PDX

MANPDX

Manchester

Mon 3/11

11:55-17:00

1 stop13h 05m

Portland

Mon 10/11

14:45-10:45

1 stop12h 00m

£535

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Fri 29/8

14:20-17:55

1 stop11h 35m

Portland

Mon 22/9

15:20-13:25

1 stop14h 05m

£538

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Tue 26/8

21:25-17:55

1 stop28h 30m

Portland

Sat 6/9

15:20-20:20

1 stop21h 00m

£542

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Thu 20/11

08:20-16:49

1 stop16h 29m

Portland

Sun 23/11

18:30-12:10

Nonstop9h 40m

£543

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Tue 26/8

09:50-13:05

3 stops35h 15m

Portland

Sat 6/9

13:45-09:05

3 stops35h 20m

£544

LondonPortland

LCY - PDX

LCYPDX

London City

Tue 23/9

09:20-22:20

2 stops21h 00m

Portland

Wed 1/10

13:15-17:20

1 stop20h 05m

£545

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Fri 21/11

06:30-11:25

1 stop12h 55m

Portland

Fri 5/12

13:37-11:00

1 stop13h 23m

£546

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Fri 26/9

20:55-11:20

1 stop22h 25m

Portland

Fri 3/10

07:00-06:25

1 stop15h 25m

£547

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Wed 24/9

15:40-17:35

Nonstop9h 55m

Portland

Sat 4/10

19:25-13:00

Nonstop9h 35m

£550

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Mon 1/9

11:35-17:35

1 stop14h 00m

Portland

Mon 22/9

19:25-16:45

1 stop13h 20m

£551

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Showing 1-10 of 60 results
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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 13 June 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 13 June 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).

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 13 June 2025.
See what other customers who have flown with Delta, KLM and Finnair from United Kingdom to Portland have to say. 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
7,950 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very Good
7,950 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,624 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 (£406), British Airways (£503), and Icelandair (£509).

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

    Most travelers choose London Heathrow - Portland, London Gatwick - Portland or London City - Portland when deciding on the best route 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 (85%), Alaska Airlines (85%), Aer Lingus (85%).

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

    Looking at all options, your cheapest flight can be booked for £470. While the most popular route (London Heathrow - Portland) can be booked for £355 on average our data indicates £1,605 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 the United Kingdom?

Book flights to the United Kingdom if you plan to visit one of these locations
Cannon Beach
Lincoln City

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Alternative routes for United Kingdom to Portland

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Portland flights
Gatwick to Portland flights
London City to Portland flights
Manchester to Portland flights
Heathrow to Boise flights
Luton to Portland flights
Manchester to Eugene flights
Stansted to Portland flights
London City to Boise flights
Gatwick to Boise flights
Edinburgh to Portland flights
Birmingham to Portland flights
Heathrow to Eugene flights
Heathrow to Medford flights
Glasgow Intl to Portland flights
London City to Eugene flights
Heathrow to Redmond flights
Bristol to Portland flights
Manchester to Redmond flights
London City to Medford flights
Heathrow to North Bend flights
London City to Redmond flights
Birmingham to Boise flights
Leeds to Portland flights
Grimsby to Portland flights
Southampton to Boise flights
Inverness to Boise flights
Edinburgh to Boise flights
Cardiff to Boise flights
Bristol to Boise flights

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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£433Average£690FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
United AirlinesCheapest£470Average£667FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
FinnairCheapest£481Average£651FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Air CanadaCheapest£491Average£533FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest£499Average£714FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£501Average£703FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£511Average£614FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air FranceCheapest£535Average£581FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£549Average£714FlexibilityNo cancel feeOn-time75%
Search KLM flights
IberiaCheapest£561Average£716FlexibilityNo cancel feeOn-time77%
Search Iberia 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!

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