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Cheap flights from Portland to the United Kingdom from £188

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.
PDX — LHR
22 Jul — 29 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portland to United Kingdom

Enter your travel dates to find the best prices.

Cheapest flights from Portland to United Kingdom
Explore the most affordable flight options available from Portland to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 June 2026.

Wed 7/1015:30
PDX
-
GLA
1 stop13h 55m
Icelandair
Wed 21/1014:20
GLA
-
PDX
1 stop11h 35m
Icelandair
Deal found 17/6£573
Thu 20/815:30
PDX
-
EDI
2 stops18h 55m
Multiple Airlines
Mon 24/815:10
EDI
-
PDX
2 stops28h 35m
Multiple Airlines
Deal found 20/6£577
Wed 23/915:30
PDX
-
GLA
1 stop13h 55m
Icelandair
Wed 30/914:20
GLA
-
PDX
1 stop11h 35m
Icelandair
Deal found 17/6£582
Mon 2/1114:45
PDX
-
GLA
1 stop11h 10m
Multiple Airlines
Wed 11/1119:25
GLA
-
PDX
2 stops33h 12m
Multiple Airlines
Deal found 18/6£616
Sun 11/1008:25
PDX
-
MAN
2 stops17h 25m
United Airlines
Tue 13/1006:05
MAN
-
PDX
2 stops20h 46m
United Airlines
Deal found 18/6£620
Tue 18/815:30
PDX
-
MAN
2 stops23h 45m
Multiple Airlines
Wed 26/807:55
MAN
-
PDX
3 stops33h 36m
Multiple Airlines
Deal found 22/6£633
Wed 16/915:30
PDX
-
GLA
1 stop13h 55m
Multiple Airlines
Sat 3/1022:00
GLA
-
PDX
2 stops47h 50m
Multiple Airlines
Deal found 21/6£640
Mon 26/1018:45
PDX
-
GLA
1 stop12h 45m
British Airways
Fri 6/1109:40
GLA
-
PDX
1 stop14h 10m
British Airways
Deal found 20/6£658
Mon 2/1117:45
PDX
-
GLA
1 stop12h 45m
British Airways
Wed 11/1105:55
GLA
-
PDX
1 stop17h 55m
British Airways
Deal found 18/6£659
Thu 17/915:30
PDX
-
EDI
3 stops24h 00m
Multiple Airlines
Tue 29/906:15
EDI
-
PDX
3 stops35h 16m
Multiple Airlines
Deal found 20/6£662
Sun 11/1013:05
PDX
-
MAN
1 stop13h 05m
KLM
Tue 13/1020:50
MAN
-
PDX
1 stop22h 20m
KLM
Deal found 18/6£662
Sun 4/1019:30
PDX
-
GLA
1 stop16h 05m
British Airways
Wed 14/1019:40
GLA
-
PDX
1 stop30h 00m
British Airways
Deal found 21/6£667

Find flight deals from Portland to United Kingdom

Keep the following information in mind while searching for Portland to United Kingdom flight deals. Data was last updated 22 June 2026.

Round-trip from

£573

One-way from

£188

Popular in

July

Cheapest in

November

Average price

£817
Icelandair
  • Icelandair
  • 7/10-21/10
  • 2 total stops
  • 25h 30m total
  • Portland to United Kingdom
Search Deals
5/10
  • 5/10
  • 2 total stops
  • 24h 50m total
  • Portland to United Kingdom
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£101 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portland to United Kingdom 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 22 June 2026.
Use the filters below to find and compare flights from Portland to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortlandAberdeen

PDX - ABZ

PDXABZ

Portland

Sun 8/11

17:45-15:55

1 stop14h 10m

Aberdeen Dyce

Thu 12/11

20:15-15:50

1 stop27h 35m

£672

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Sun 4/10

19:30-19:35

1 stop16h 05m

Glasgow Intl

Sun 11/10

21:20-22:59

2 stops33h 39m

£715

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Mon 12/10

09:40-16:10

2 stops22h 30m

Glasgow Intl

Sat 24/10

06:00-11:10

1 stop13h 10m

£718

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Mon 12/10

05:00-10:10

2 stops21h 10m

Glasgow Intl

Sat 24/10

14:00-09:39

2 stops27h 39m

£721

PortlandLondon

PDX - LCY

PDXLCY

Portland

Tue 27/10

11:39-17:20

2 stops22h 41m

London City

Sun 8/11

17:50-11:20

1 stop25h 30m

£722

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Sun 16/8

19:30-18:45

1 stop15h 15m

Glasgow Intl

Mon 24/8

17:40-23:59

2 stops38h 19m

£723

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Wed 26/8

11:15-10:10

1 stop14h 55m

Glasgow Intl

Wed 16/9

14:00-22:03

1 stop16h 03m

£724

PortlandLondon

PDX - LTN

PDXLTN

Portland

Thu 13/8

15:30-23:25

3 stops23h 55m

London Luton

Thu 27/8

21:40-14:51

2 stops25h 11m

£724

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Sun 4/10

11:35-12:55

2 stops17h 20m

Glasgow Intl

Sun 11/10

06:00-15:05

2 stops17h 05m

£726

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Sun 4/10

07:00-12:55

2 stops21h 55m

Glasgow Intl

Sun 11/10

06:00-15:05

2 stops17h 05m

£726

Flights are sorted by cheapest return flights first.

Deals found on 18/6

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Portland to United Kingdom

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

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

Currently, March is the cheapest month in which you can book a flight from Portland to United Kingdom (average of £351). Flying from Portland to United Kingdom in June is currently the most expensive (average of £2,262). 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 PDX to GB?

Find hourly flight availability from Portland to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 June 2026.

When flying from Portland to United Kingdom, 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 Portland to United Kingdom

Explore weekly flight availability from Portland to United Kingdom. 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 22 June 2026.

The most flights from PDX to GB0 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 far ahead should I book a flight from Portland to United Kingdom?

The price you pay for your flight from Portland to United Kingdom may vary depending on when you book. For the best chance of a lower fare, look to book 53 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. 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 United Kingdom. Reviews last updated 22 June 2026.
Get a feel of what it's like to fly with Virgin Atlantic,Icelandair, andBritish Airways from Portland to the United Kingdom by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Food

6.9

Boarding

7.7

Comfort

7.3

Entertainment

7.5

Crew

8.1

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Virgin Atlantic
7.5
Good
690 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Food

6.9

Boarding

7.7

Comfort

7.3

Entertainment

7.5

Crew

8.1

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Icelandair
7.0
Good
683 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Food

6.9

Boarding

7.7

Comfort

7.3

Entertainment

7.5

Crew

8.1

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
British Airways
6.7
Okay
8,064 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Food

6.9

Boarding

7.7

Comfort

7.3

Entertainment

7.5

Crew

8.1

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Related info for your journey

Find useful and relevant information for your journey from Portland to United Kingdom. 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 from for flights from Portland to United Kingdom?

    Portland (PDX), located 6.0 mi from the city center, is the airport you fly out of when you book flights from Portland to United Kingdom.

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

    Departing from Portland to United Kingdom will take you 14h 10m. The distance between Portland and United Kingdom is about 4549 mi. This flight may include one or multiple stops.

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

    The cheapet airlines for a one-way flight from Portland to United Kingdom are Icelandair (£192), British Airways (£253), and Virgin Atlantic (£292).

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

    The most popular flight routes from Portland to United Kingdom are Portland - London Heathrow, Portland - London Gatwick and Portland - London Stansted.

  • What are the most reliable airlines from Portland to United Kingdom?

    No one likes to see their flight delayed. When booking a flight from Portland to United Kingdom consider choosing American Airlines (72%), Alaska Airlines (72%) or Aer Lingus (72%) as they are the most reliable in getting you off to your destination on time.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Portland to United Kingdom (average of £351). Flying from Portland to United Kingdom in June is currently the most expensive (average of £2,262). 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

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

Top airline flying from Portland to United Kingdom

Discover the top airline that operate flights from Portland to United Kingdom. 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 22 June 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£447Average£818FlexibilityNo cancel feeOn-time70%
Search British Airways 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 Portland to United Kingdom?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to United Kingdom from Portland today with Cheapflights!

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Portland to United Kingdom.

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

Yes! Cheapflights helps users easily find flights from Portland to United Kingdom with no change fees.

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

Not ready to book yet? You can track prices for flights from Portland to United Kingdom on Cheapflights with our Price Alert feature and get notified when better prices are available.

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