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Cheap flights from the United Kingdom to Portland from £297

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 31/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PDX
17 Jul — 24 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to Portland

Enter your travel dates to find the best prices.

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 17 June 2026.

Tue 14/708:20
GLA
-
PDX
3 stops33h 11m
Multiple Airlines
Tue 21/714:30
PDX
-
GLA
2 stops35h 10m
Multiple Airlines
Deal found 14/6£622
Wed 16/914:20
GLA
-
PDX
1 stop11h 35m
Icelandair
Wed 30/915:30
PDX
-
GLA
1 stop13h 55m
Icelandair
Deal found 13/6£648
Tue 14/707:30
MAN
-
PDX
3 stops34h 01m
Multiple Airlines
Tue 21/715:30
PDX
-
MAN
2 stops17h 55m
Multiple Airlines
Deal found 14/6£650
Wed 30/911:25
EDI
-
PDX
1 stop20h 03m
British Airways
Mon 5/1019:30
PDX
-
EDI
1 stop15h 05m
British Airways
Deal found 17/6£706
Tue 28/707:30
MAN
-
PDX
2 stops38h 20m
Multiple Airlines
Tue 4/815:30
PDX
-
MAN
1 stop12h 10m
Multiple Airlines
Deal found 13/6£707
Wed 30/907:30
GLA
-
PDX
2 stops20h 06m
British Airways
Mon 5/1019:30
PDX
-
GLA
1 stop15h 10m
British Airways
Deal found 17/6£708
Thu 1/1019:00
GLA
-
PDX
2 stops30h 55m
Multiple Airlines
Mon 5/1015:30
PDX
-
GLA
1 stop13h 55m
Multiple Airlines
Deal found 17/6£715
Wed 16/906:00
GLA
-
PDX
1 stop13h 10m
Delta
Wed 30/913:52
PDX
-
GLA
2 stops15h 03m
Delta
Deal found 17/6£717
Sat 11/711:50
EDI
-
PDX
1 stop34h 00m
Multiple Airlines
Fri 17/719:05
PDX
-
EDI
2 stops45h 55m
Multiple Airlines
Deal found 13/6£719
Wed 16/906:00
GLA
-
PDX
1 stop13h 10m
Multiple Airlines
Wed 30/913:52
PDX
-
GLA
2 stops15h 03m
Multiple Airlines
Deal found 14/6£719
Wed 24/606:10
EDI
-
PDX
3 stops35h 21m
Multiple Airlines
Mon 17/819:45
PDX
-
EDI
3 stops30h 25m
Multiple Airlines
Deal found 12/6£720
Wed 30/912:30
EDI
-
PDX
1 stop15h 40m
United Airlines
Mon 5/1022:33
PDX
-
EDI
1 stop25h 32m
United Airlines
Deal found 17/6£733

Find 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 17 June 2026.

Round-trip from

£622

One-way from

£297

Popular in

July

Cheapest in

September

Average price

£841

Good round-trip deal

£763 or less

Good one-way deal

£732 or less
WestJet
  • WestJet
  • 14/7-21/7
  • 5 total stops
  • 68h 21m total
  • United Kingdom to Portland
Search Deals
31/8
  • 31/8
  • 3 total stops
  • 39h 20m total
  • United Kingdom to Portland
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£75 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from United Kingdom to Portland.
Search Deals
Price to beat on a one-way flight from United Kingdom to Portland.
Search Deals

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 17 June 2026.
Use the filters below to find and compare flights from the United Kingdom to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 16/9

14:20-17:55

1 stop11h 35m

Portland

Wed 30/9

15:30-13:25

1 stop13h 55m

£648

EdinburghPortland

EDI - PDX

EDIPDX

Edinburgh Turnhouse

Wed 30/9

11:25-23:28

1 stop20h 03m

Portland

Mon 5/10

19:30-18:35

1 stop15h 05m

£706

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 30/9

06:00-17:26

2 stops19h 26m

Portland

Mon 5/10

13:05-12:55

1 stop15h 50m

£721

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 30/9

14:00-21:27

1 stop15h 27m

Portland

Mon 5/10

22:33-10:10

1 stop27h 37m

£728

EdinburghPortland

EDI - PDX

EDIPDX

Edinburgh Turnhouse

Wed 30/9

09:40-21:27

1 stop19h 47m

Portland

Mon 5/10

08:25-08:05

2 stops15h 40m

£733

ManchesterPortland

MAN - PDX

MANPDX

Manchester

Thu 1/10

06:05-15:06

3 stops41h 01m

Portland

Mon 5/10

10:10-17:10

2 stops23h 00m

£753

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Thu 3/9

14:00-09:29

2 stops27h 29m

Portland

Mon 7/9

05:00-10:10

2 stops21h 10m

£778

LondonPortland

LCY - PDX

LCYPDX

London City

Wed 9/9

10:00-20:02

2 stops18h 02m

Portland

Fri 25/9

13:05-09:30

1 stop12h 25m

£785

ManchesterPortland

MAN - PDX

MANPDX

Manchester

Thu 1/10

07:45-19:36

2 stops19h 51m

Portland

Mon 5/10

19:30-19:15

1 stop15h 45m

£785

BristolPortland

BRS - PDX

BRSPDX

Bristol

Thu 1/10

09:20-21:45

2 stops20h 25m

Portland

Sun 4/10

13:35-13:15

2 stops15h 40m

£793

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Showing 1-10 of 60 resultsSorted by cheapest first
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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, April is the cheapest month in which you can book a flight from United Kingdom to Portland (average of £275). Flying from United Kingdom to Portland in August is currently the most expensive (average of £534). 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 17 June 2026.

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 17 June 2026.

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).

How often are flights from the United Kingdom to Portland delayed?

About 21% of weekly flights between United Kingdom and Portland have experienced delays in the past year, with the average delay time being 120 minutes.

What is the most punctual flight time for the United Kingdom to Portland flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Friday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on the United Kingdom to Portland flights?

Over the past year, British Airways have had the lowest number of delays on this route, with just 21% of flights being delayed.

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

To ensure you get the cheapest price possible for a flight from United Kingdom to Portland, you should look to book at least 33 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.

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 17 June 2026.
Read through reviews of airlines operating flights from the United Kingdom to Portland, such as KLM,Virgin Atlantic, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,530 reviews
Check prices

Food

7.3

Boarding

7.8

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,530 reviews
KLM
7.8
Good
1,530 reviews
Check prices

Food

7.3

Boarding

7.8

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Virgin Atlantic
7.5
Good
690 reviews
KLM
7.8
Good
1,530 reviews
Check prices

Food

7.3

Boarding

7.8

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
American Airlines
7.1
Good
11,679 reviews
KLM
7.8
Good
1,530 reviews
Check prices

Food

7.3

Boarding

7.8

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Icelandair
7.0
Good
679 reviews
KLM
7.8
Good
1,530 reviews
Check prices

Food

7.3

Boarding

7.8

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
British Airways
6.7
Okay
8,054 reviews
KLM
7.8
Good
1,530 reviews
Check prices

Food

7.3

Boarding

7.8

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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.

  • How long is the flight from United Kingdom to Portland?

    Airlines like Icelandair, British Airways, and Delta fly from United Kingdom to Portland in about 11h 35m. The time it takes to get you to your destination can typically vary by up to 8h 28m. Airlines will cover a distance of 4560 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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 Lufthansa (£451), British Airways (£452), and Icelandair (£458).

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

    Most travelers choose London Heathrow - Portland, London Gatwick - Portland or London Stansted - 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 (70%), Alaska Airlines (70%), Aer Lingus (70%).

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

    Looking at all options, your cheapest flight can be booked for £666. While the most popular route (London Heathrow - Portland) can be booked for £570 on average, our data indicates £853 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, April is the cheapest month in which you can book a flight from United Kingdom to Portland (average of £275). Flying from United Kingdom to Portland in August is currently the most expensive (average of £534). 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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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 17 June 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£332Average£667FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
IcelandairCheapest£451Average£678FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
FinnairCheapest£469Average£851FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LufthansaCheapest£493Average£662FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest£494Average£720FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
KLMCheapest£513Average£848FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£514Average£767FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£540Average£749FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£540Average£787FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Scandinavian AirlinesCheapest£574Average£601FlexibilityNo cancel feeOn-time77%
Search Scandinavian 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!

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