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Cheap flights from Portland to the United Kingdom from £195

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 22/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LHR
5 May — 12 May1
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 30 April 2025.

Round-trip from

£453

One-way from

£195

Popular in

June

Cheapest in

November

Average price

£513

Good round-trip deal

£509 or less

Good one-way deal

£356 or less
American Airlines
  • American Airlines
  • 22/10-29/10
  • 3 total stops
  • 34h 24m total
  • Portland to United Kingdom
Search Deals
Icelandair
  • Icelandair
  • 22/9
  • 1 total stop
  • 14h 05m total
  • Portland to United Kingdom
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£135 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals
Price to beat on a round-trip flight from Portland to United Kingdom.
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Price to beat on a one-way flight from Portland to United Kingdom.
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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 30 April 2025.

Sun 2/1105:55PDX - INV
2 stops21h 15mAmerican Airlines
Fri 14/1111:05INV - PDX
1 stop13h 30mAmerican Airlines
Deal found 29/4£401
Sun 2/1105:55PDX - INV
2 stops21h 15mBritish Airways
Fri 14/1111:05INV - PDX
2 stops19h 47mBritish Airways
Deal found 29/4£441
Wed 22/1019:25PDX - GLA
1 stop15h 15mAmerican Airlines
Wed 29/1010:55GLA - PDX
2 stops19h 09mAmerican Airlines
Deal found 29/4£453
Fri 22/819:25PDX - INV
1 stop16h 45mMultiple Airlines
Sun 31/820:55INV - PDX
1 stop28h 40mMultiple Airlines
Deal found 28/4£458
Wed 22/1015:20PDX - GLA
1 stop14h 05mIcelandair
Wed 29/1012:35GLA - PDX
1 stop12h 25mIcelandair
Deal found 29/4£462
Sun 14/906:04PDX - MAN
1 stop18h 31mDelta
Tue 30/914:15MAN - PDX
1 stop17h 14mDelta
Deal found 29/4£473
Mon 25/819:25PDX - ABZ
1 stop15h 10mMultiple Airlines
Wed 17/920:20ABZ - PDX
1 stop29h 15mMultiple Airlines
Deal found 29/4£478
Fri 17/1019:25PDX - GLA
1 stop19h 55mMultiple Airlines
Sat 25/1006:55GLA - PDX
1 stop18h 40mMultiple Airlines
Deal found 29/4£482
Sun 30/1118:30PDX - LHR
Nonstop9h 40mBritish Airways
Wed 10/1214:20LHR - PDX
Nonstop10h 15mBritish Airways
Deal found 30/4£486
Mon 13/1015:25PDX - LHR
1 stop13h 55mMultiple Airlines
Wed 22/1008:40LHR - PDX
2 stops18h 06mMultiple Airlines
Deal found 28/4£488
Mon 25/810:23PDX - ABZ
2 stops19h 27mAmerican Airlines
Wed 17/910:15ABZ - PDX
2 stops20h 49mAmerican Airlines
Deal found 29/4£488
Fri 22/810:23PDX - GLA
2 stops17h 47mBritish Airways
Sun 31/820:25GLA - PDX
2 stops28h 25mBritish Airways
Deal found 30/4£489

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 30 April 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 22/10

19:25-18:40

1 stop15h 15m

Glasgow Intl

Wed 29/10

10:55-23:04

2 stops19h 09m

£453

PortlandInverness

PDX - INV

PDXINV

Portland

Fri 12/9

13:15-20:10

2 stops22h 55m

Inverness

Wed 24/9

10:30-17:35

1 stop15h 05m

£453

PortlandInverness

PDX - INV

PDXINV

Portland

Fri 22/8

19:25-20:10

1 stop16h 45m

Inverness

Sun 31/8

20:55-17:35

1 stop28h 40m

£458

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Wed 22/10

15:20-13:25

1 stop14h 05m

Glasgow Intl

Wed 29/10

12:35-18:00

1 stop12h 25m

£462

PortlandManchester

PDX - MAN

PDXMAN

Portland

Sun 14/9

06:04-08:35

1 stop18h 31m

Manchester

Tue 30/9

14:15-23:29

1 stop17h 14m

£473

PortlandAberdeen

PDX - ABZ

PDXABZ

Portland

Mon 25/8

19:25-18:35

1 stop15h 10m

Aberdeen Dyce

Wed 17/9

20:20-17:35

1 stop29h 15m

£478

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Fri 17/10

19:25-23:20

1 stop19h 55m

Glasgow Intl

Sat 25/10

06:55-17:35

1 stop18h 40m

£482

PortlandAberdeen

PDX - ABZ

PDXABZ

Portland

Mon 25/8

10:23-13:50

2 stops19h 27m

Aberdeen Dyce

Wed 17/9

10:15-23:04

2 stops20h 49m

£488

PortlandLondon

PDX - LHR

PDXLHR

Portland

Sun 17/8

19:25-13:00

Nonstop9h 35m

London Heathrow

Sun 31/8

15:10-23:07

1 stop15h 57m

£489

PortlandInverness

PDX - INV

PDXINV

Portland

Fri 12/9

19:25-20:10

1 stop16h 45m

Inverness

Wed 24/9

10:30-17:35

1 stop15h 05m

£489

Flights are sorted by cheapest return flights first.

Deals found on 28/4

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 30 April 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 30 April 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 30 April 2025.
Read reviews from past customers who have flown Delta, KLM and Finnair 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.
Delta
8.0
Very Good
7,936 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very Good
7,936 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 (£195), American Airlines (£282), and WestJet (£288).

  • 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 City.

  • 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 (78%), Alaska Airlines (78%) or Aer Lingus (78%) 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 £1,391, our data indicates the cheapest price to be £333. The most popular route (Portland - London Heathrow), is priced around £443.

  • 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 5 airlines flying from Portland to United Kingdom

Discover the top 5 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 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£438Average£2,414FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Virgin AtlanticCheapest£439Average£504FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IberiaCheapest£454Average£519FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£513Average£764FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£559Average£686FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

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