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Cheap flights from Portland to the United Kingdom from £174

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 27/7. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LHR
18 Jun — 25 Jun1
1 adult

Cheap 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 13 June 2025.

Round-trip from

£396

One-way from

£174

Popular in

June

Cheapest in

October

Average price

£909

Good round-trip deal

£730 or less

Good one-way deal

£441 or less
Icelandair
  • Icelandair
  • 1/10-15/10
  • 2 total stops
  • 25h 40m total
  • Portland to United Kingdom
Icelandair
  • Icelandair
  • 27/7
  • 1 total stop
  • 14h 05m total
  • Portland to United Kingdom
Highest demand for flights based on searches. 22% potential increase in price (£129 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).
Average for round-trip flights in June 2025
Price to beat on a round-trip flight from Portland to United Kingdom.
Price to beat on a one-way flight from Portland to United Kingdom.

Find flight deals from Portland to United Kingdom

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 13 June 2025.

Wed 1/1015:20PDX - GLA
1 stop14h 05mIcelandair
Wed 15/1014:20GLA - PDX
1 stop11h 35mIcelandair
Deal found 12/6£396
Sun 7/906:00PDX - MAN
1 stop18h 35mVirgin Atlantic
Fri 19/912:35MAN - PDX
1 stop17h 57mVirgin Atlantic
Deal found 12/6£471
Mon 25/819:25PDX - ABZ
1 stop15h 10mAmerican Airlines
Wed 17/910:15ABZ - PDX
1 stop15h 20mAmerican Airlines
Deal found 12/6£473
Wed 1/1010:40PDX - GLA
2 stops15h 40mMultiple Airlines
Wed 15/1009:25GLA - PDX
1 stop16h 10mMultiple Airlines
Deal found 13/6£475
Tue 2/907:00PDX - ABZ
2 stops22h 40mBritish Airways
Mon 8/919:50ABZ - PDX
1 stop29h 45mBritish Airways
Deal found 12/6£478
Tue 2/914:05PDX - GLA
2 stops18h 40mBritish Airways
Mon 8/920:50GLA - PDX
1 stop28h 45mBritish Airways
Deal found 12/6£478
Tue 5/807:00PDX - EDI
1 stop17h 25mUnited Airlines
Tue 19/809:00EDI - PDX
2 stops40h 21mUnited Airlines
Deal found 11/6£479
Mon 25/810:23PDX - ABZ
2 stops19h 27mMultiple Airlines
Wed 17/906:50ABZ - PDX
2 stops20h 20mMultiple Airlines
Deal found 12/6£484
Wed 22/1019:25PDX - MAN
1 stop12h 10mMultiple Airlines
Thu 30/1008:45MAN - PDX
2 stops20h 55mMultiple Airlines
Deal found 12/6£484
Tue 5/819:25PDX - EDI
1 stop16h 05mAmerican Airlines
Tue 19/811:35EDI - PDX
1 stop18h 29mAmerican Airlines
Deal found 11/6£485
Tue 2/914:05PDX - GLA
2 stops21h 35mIberia
Mon 8/909:05GLA - PDX
2 stops44h 22mIberia
Deal found 12/6£485
Tue 2/911:35PDX - ABZ
2 stops22h 50mIberia
Mon 8/918:25ABZ - PDX
2 stops35h 02mIberia
Deal found 12/6£486

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 13 June 2025.
Use the filters below to find and compare flights from Portland to the United Kingdom that are best for you.

Fly from

Portland

Fly to

United Kingdom

Route

Depart

Return

Price

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Wed 1/10

15:20-13:25

1 stop14h 05m

Glasgow Intl

Wed 15/10

14:20-17:55

1 stop11h 35m

£396

PortlandManchester

PDX - MAN

PDXMAN

Portland

Sun 7/9

06:00-08:35

1 stop18h 35m

Manchester

Fri 19/9

12:35-22:32

1 stop17h 57m

£471

PortlandAberdeen

PDX - ABZ

PDXABZ

Portland

Mon 25/8

19:25-18:35

1 stop15h 10m

Aberdeen Dyce

Wed 17/9

10:15-17:35

1 stop15h 20m

£473

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Wed 1/10

09:40-10:20

2 stops16h 40m

Glasgow Intl

Wed 15/10

08:40-17:35

1 stop16h 55m

£475

PortlandAberdeen

PDX - ABZ

PDXABZ

Portland

Tue 2/9

07:00-13:40

2 stops22h 40m

Aberdeen Dyce

Mon 8/9

19:50-17:35

1 stop29h 45m

£478

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Tue 2/9

14:05-16:45

2 stops18h 40m

Glasgow Intl

Mon 8/9

20:50-17:35

1 stop28h 45m

£478

PortlandEdinburgh

PDX - EDI

PDXEDI

Portland

Tue 5/8

07:00-08:25

1 stop17h 25m

Edinburgh Turnhouse

Tue 19/8

09:00-17:21

2 stops40h 21m

£479

PortlandAberdeen

PDX - ABZ

PDXABZ

Portland

Mon 25/8

10:23-13:50

2 stops19h 27m

Aberdeen Dyce

Wed 17/9

06:50-19:10

2 stops20h 20m

£484

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Tue 2/9

14:05-19:40

2 stops21h 35m

Glasgow Intl

Mon 8/9

09:05-21:27

2 stops44h 22m

£485

PortlandEdinburgh

PDX - EDI

PDXEDI

Portland

Tue 5/8

19:25-19:30

1 stop16h 05m

Edinburgh Turnhouse

Tue 19/8

11:35-22:04

1 stop18h 29m

£485

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 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, January is the cheapest month in which you can book a flight from Portland to United Kingdom (average of £112). Flying from Portland to United Kingdom in August is currently the most expensive (average of £164). 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 13 June 2025.

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 13 June 2025.

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).

Rainfall in United Kingdom by month

Plan your trip to United Kingdom by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in United Kingdom ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit United Kingdom when rainfall is around 40.0 mm.

Temperature in United Kingdom by month

Plan your trip to United Kingdom by taking into account the average temperature totals by month.

If weather is an important factor for your trip to United Kingdom, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 13 June 2025.
Read reviews from past customers who have flown Delta, Alaska Airlines and KLM from Portland to United Kingdom. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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!
8.0
Very Good

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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!

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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!

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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!

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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!

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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 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.

  • 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 (£174), WestJet (£229), and JetBlue (£269).

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

  • 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 (83%), Alaska Airlines (83%) or Aer Lingus (83%) as they are the most reliable in getting you off to your destination on time.

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

    Looking for the cheapest flight from Portland to United Kingdom? While on average our users pay £1,490, our data indicates the cheapest price to be £315. The most popular route (Portland - London Heathrow), is priced around £381.

  • 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, January is the cheapest month in which you can book a flight from Portland to United Kingdom (average of £112). Flying from Portland to United Kingdom in August is currently the most expensive (average of £164). 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 4 airlines flying from Portland to United Kingdom

Discover the top 4 airlines 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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£426Average£494FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IcelandairCheapest£432Average£2,372FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
IberiaCheapest£448Average£547FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£461Average£549FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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How does Cheapflights help users find flights from Portland to United Kingdom?

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