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.

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).

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 cheapest flights from Portland to United Kingdom?

Looking for the cheapest flight from Portland to United Kingdom? While on average our users pay £1,339, our data indicates the cheapest price to be £295. The most popular route (Portland - London Heathrow), is priced around £364.

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 (82%), Alaska Airlines (82%) or Aer Lingus (82%) as they are the most reliable in getting you off to your destination on time.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 47 days in advance, which can save you up to 57% on flights from Portland to United Kingdom compared to booking the week you need them. Waiting 47 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £595. For sooner than that we have options available in the next 3 days from £678.

What is the cheapest month to fly from Portland to United Kingdom?

Flights from Portland to United Kingdom lean towards being more expensive in June. Prices are generally better when you fly from Portland to United Kingdom in October, with the cheapest ticket starting at £382.

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.

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.

£184+ Cheap Flights from Portland to the United Kingdom

Cheap flight deals from Portland to United Kingdom

Round-trip from	£403
One-way from	£184
Popular in	June
Cheapest in	October
Average price	£567
Good round-trip deal	£401 or less
Good one-way deal	£342 or less

British Airways
2/11-14/11
3 total stops
37h 16m total
Portland to United Kingdom

Search Deals

WestJet
10/10
1 total stop
12h 20m total
Portland to United Kingdom

Search Deals

Highest demand for flights based on searches. 22% potential increase in price (£129 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

Price to beat on a round-trip flight from Portland to United Kingdom.

Search Deals

Price to beat on a one-way flight from Portland to United Kingdom.

Search Deals

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 15 August 2025.

Sun 2/1117:45PDX - INV

1 stop17h 15mBritish Airways

Fri 14/1111:25INV - PDX

2 stops20h 01mBritish Airways

Deal found 14/8£403

Tue 23/908:15PDX - LHR

1 stop18h 25mUnited Airlines

Mon 29/911:05LHR - PDX

2 stops41h 15mUnited Airlines

Deal found 13/8£414

Sun 21/907:00PDX - LHR

2 stops18h 35mUnited Airlines

Mon 29/911:05LHR - PDX

2 stops41h 15mUnited Airlines

Deal found 14/8£415

Thu 9/1015:20PDX - EDI

1 stop14h 00mIcelandair

Tue 21/1014:15EDI - PDX

1 stop11h 40mIcelandair

Deal found 14/8£416

Tue 19/809:59PDX - LHR

1 stop18h 46mBritish Airways

Tue 9/912:30LHR - PDX

2 stops38h 24mBritish Airways

Deal found 12/8£416

Sun 31/813:45PDX - LHR

1 stop35h 15mIberia

Fri 12/910:30LHR - PDX

1 stop18h 57mIberia

Deal found 14/8£417

Mon 10/1114:45PDX - LTN

1 stop15h 15mMultiple Airlines

Sun 16/1106:00LTN - PDX

1 stop19h 00mMultiple Airlines

Deal found 14/8£417

Tue 23/913:40PDX - LHR

1 stop13h 25mBritish Airways

Thu 9/1015:40LHR - PDX

Nonstop9h 55mBritish Airways

Deal found 12/8£417

Tue 11/1114:45PDX - LTN

1 stop15h 40mMultiple Airlines

Sun 16/1106:00LTN - PDX

1 stop19h 00mMultiple Airlines

Deal found 14/8£418

Thu 21/810:55PDX - LHR

1 stop14h 45mUnited Airlines

Thu 28/818:00LHR - PDX

1 stop22h 53mUnited Airlines

Deal found 14/8£418

Wed 15/1015:20PDX - LGW

1 stop15h 20mIcelandair

Mon 20/1015:40LGW - PDX

1 stop34h 15mIcelandair

Deal found 14/8£418

Wed 10/1209:50PDX - LHR

2 stops16h 20mLufthansa

Tue 23/1211:35LHR - PDX

1 stop17h 27mLufthansa

Deal found 14/8£419

Best flights from Portland to United Kingdom
Discover carefully curated flight deals from Portland to United Kingdom that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 August 2025.

Sun 2/1117:45PDX - INV

1 stop17h 15mBritish Airways

Fri 14/1111:25INV - PDX

2 stops20h 01mBritish Airways

Deal found 14/8£403

Tue 23/908:15PDX - LHR

1 stop18h 25mUnited Airlines

Mon 29/911:05LHR - PDX

2 stops41h 15mUnited Airlines

Deal found 13/8£414

Thu 16/1015:20PDX - EDI

1 stop14h 00mIcelandair

Sun 26/1012:20EDI - PDX

1 stop12h 40mIcelandair

Deal found 13/8£416

Mon 10/1114:45PDX - LTN

1 stop15h 15mMultiple Airlines

Sun 16/1106:00LTN - PDX

1 stop19h 00mMultiple Airlines

Deal found 14/8£417

Mon 22/908:30PDX - LCY

2 stops20h 00mSWISS

Mon 29/918:05LCY - PDX

2 stops32h 41mSWISS

Deal found 13/8£431

Mon 24/1113:25PDX - LCY

1 stop22h 10mVirgin Atlantic

Tue 2/1220:05LCY - PDX

1 stop23h 20mVirgin Atlantic

Deal found 12/8£478

Thu 11/906:15PDX - MAN

2 stops44h 05mAir Canada

Thu 18/911:50MAN - PDX

2 stops35h 35mAir Canada

Deal found 13/8£498

Fri 3/1011:08PDX - INV

2 stops21h 52mDelta

Tue 7/1013:25INV - PDX

1 stop29h 55mDelta

Deal found 12/8£505

Thu 11/915:25PDX - MAN

2 stops34h 55mLufthansa

Fri 19/906:05MAN - PDX

2 stops20h 41mLufthansa

Deal found 13/8£510

Sun 21/907:00PDX - LHR

2 stops18h 35mUnited Airlines

Mon 29/911:05LHR - PDX

2 stops41h 15mUnited Airlines

Deal found 14/8£415

Thu 9/1015:20PDX - EDI

1 stop14h 00mIcelandair

Tue 21/1014:15EDI - PDX

1 stop11h 40mIcelandair

Deal found 14/8£416

Tue 11/1114:45PDX - LTN

1 stop15h 40mMultiple Airlines

Sun 16/1106:00LTN - PDX

1 stop19h 00mMultiple Airlines

Deal found 14/8£418

Direct flights from Portland to United Kingdom
Explore direct flight options from Portland to United Kingdom based on user searches, and compare prices and availability for your desired travel dates. Data last updated 15 August 2025.

Wed 15/1019:25PDX - LHR

Nonstop9h 35mBritish Airways

Mon 3/1113:45LHR - PDX

Nonstop10h 10mBritish Airways

Deal found 13/8£420

Fri 10/1019:25PDX - LHR

Nonstop9h 35mBritish Airways

Wed 15/1015:40LHR - PDX

Nonstop9h 55mBritish Airways

Deal found 13/8£420

Fri 10/1019:25PDX - LHR

Nonstop9h 35mBritish Airways

Tue 21/1015:40LHR - PDX

Nonstop9h 55mBritish Airways

Deal found 14/8£434

Thu 16/1019:25PDX - LHR

Nonstop9h 35mIberia

Wed 22/1015:40LHR - PDX

Nonstop9h 55mIberia

Deal found 13/8£434

Sun 12/1019:25PDX - LHR

Nonstop9h 35mIberia

Mon 27/1013:45LHR - PDX

Nonstop10h 10mIberia

Deal found 14/8£438

Sun 12/1019:25PDX - LHR

Nonstop9h 35mFinnair

Mon 27/1013:45LHR - PDX

Nonstop10h 10mFinnair

Deal found 14/8£439

Sun 19/1019:25PDX - LHR

Nonstop9h 35mIberia

Sun 2/1113:45LHR - PDX

Nonstop10h 10mIberia

Deal found 13/8£440

Mon 5/117:45PDX - LHR

Nonstop9h 35mBritish Airways

Fri 16/113:45LHR - PDX

Nonstop10h 10mBritish Airways

Deal found 12/8£453

Wed 22/1019:25PDX - LHR

Nonstop9h 35mBritish Airways

Fri 31/1013:45LHR - PDX

Nonstop10h 10mBritish Airways

Deal found 14/8£454

Thu 16/1019:25PDX - LHR

Nonstop9h 35mBritish Airways

Mon 3/1113:45LHR - PDX

Nonstop10h 10mBritish Airways

Deal found 13/8£455

Last-minute flights from Portland to United Kingdom
Discover last-minute flight deals from Portland to United Kingdom. Data last updated 15 August 2025 and is based on user searches.

Tue 19/809:59PDX - LHR

1 stop18h 46mBritish Airways

Tue 9/912:30LHR - PDX

2 stops38h 24mBritish Airways

Deal found 12/8£416

Tue 19/810:55PDX - LCY

2 stops21h 30mMultiple Airlines

Tue 9/909:25LCY - PDX

2 stops17h 21mMultiple Airlines

Deal found 12/8£457

Tue 19/813:51PDX - LCY

2 stops19h 29mKLM

Tue 9/910:00LCY - PDX

1 stop33h 20mKLM

Deal found 12/8£501

Wed 20/816:58PDX - LHR

1 stop12h 12mDelta

Sun 24/806:30LHR - PDX

1 stop12h 30mDelta

Deal found 12/8£437

Wed 20/813:20PDX - LHR

1 stop12h 30mKLM

Mon 25/806:30LHR - PDX

1 stop12h 50mKLM

Deal found 12/8£437

Wed 20/810:55PDX - LHR

1 stop17h 25mUnited Airlines

Sun 31/806:50LHR - PDX

2 stops21h 13mUnited Airlines

Deal found 13/8£442

Wed 20/816:58PDX - LHR

1 stop12h 12mDelta

Mon 25/811:30LHR - PDX

2 stops19h 28mDelta

Deal found 12/8£444

Wed 20/814:05PDX - LHR

1 stop14h 40mBritish Airways

Sun 24/815:40LHR - PDX

Nonstop9h 55mBritish Airways

Deal found 14/8£446

Thu 21/810:55PDX - LHR

1 stop14h 45mUnited Airlines

Thu 28/818:00LHR - PDX

1 stop22h 53mUnited Airlines

Deal found 14/8£418

Thu 21/807:00PDX - LGW

1 stop18h 20mMultiple Airlines

Thu 28/810:25LGW - PDX

1 stop20h 24mMultiple Airlines

Deal found 14/8£419

Thu 21/808:35PDX - LHR

1 stop17h 05mUnited Airlines

Wed 27/809:00LHR - PDX

2 stops21h 42mUnited Airlines

Deal found 12/8£439

Thu 21/807:40PDX - LHR

1 stop14h 45mBritish Airways

Wed 27/815:40LHR - PDX

Nonstop9h 55mBritish Airways

Deal found 14/8£440

One-way flights from Portland to United Kingdom
Search for one-way flight options from Portland to United Kingdom. Find affordable one-way fares based on user searches. Data last updated 15 August 2025.

Fri 10/1013:45PDX - EDI

1 stop12h 20mWestJet

Deal found 13/8£184

Fri 10/1011:07PDX - EDI

2 stops14h 58mMultiple Airlines

Deal found 13/8£210

Mon 6/1012:37PDX - LGW

3 stops33h 43mMultiple Airlines

Deal found 14/8£210

Tue 7/1011:07PDX - LHR

2 stops16h 58mMultiple Airlines

Deal found 14/8£211

Sun 12/1011:07PDX - EDI

3 stops36h 58mMultiple Airlines

Deal found 13/8£215

Mon 6/1012:37PDX - LHR

2 stops39h 28mMultiple Airlines

Deal found 14/8£215

Mon 22/911:31PDX - LGW

3 stops34h 49mMultiple Airlines

Deal found 13/8£215

Tue 11/1106:00PDX - LHR

3 stops27h 30mMultiple Airlines

Deal found 14/8£218

Fri 10/1013:45PDX - STN

2 stops34h 15mMultiple Airlines

Deal found 13/8£218

Tue 23/907:00PDX - LGW

1 stop15h 20mMultiple Airlines

Deal found 13/8£218

Tue 7/1011:07PDX - STN

3 stops19h 13mMultiple Airlines

Deal found 13/8£221

Tue 7/1011:07PDX - LGW

3 stops21h 53mMultiple Airlines

Deal found 13/8£221

Cheapflights Fare Finder

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

PortlandInverness

PDX - INV

PDXINV

Portland

Sun 2/11

17:45-19:00

1 stop17h 15m

Inverness

Fri 14/11

11:25-23:26

2 stops20h 01m

£403

PortlandLondon

PDX - LHR

PDXLHR

Portland

Tue 23/9

08:15-10:40

1 stop18h 25m

London Heathrow

Mon 29/9

11:05-20:20

2 stops41h 15m

£414

PortlandLondon

PDX - LHR

PDXLHR

Portland

Sun 21/9

07:00-09:35

2 stops18h 35m

London Heathrow

Mon 29/9

11:05-20:20

2 stops41h 15m

£415

PortlandEdinburgh

PDX - EDI

PDXEDI

Portland

Thu 16/10

15:20-13:20

1 stop14h 00m

Edinburgh Turnhouse

Sun 26/10

12:20-18:00

1 stop12h 40m

£416

PortlandEdinburgh

PDX - EDI

PDXEDI

Portland

Thu 9/10

15:20-13:20

1 stop14h 00m

Edinburgh Turnhouse

Tue 21/10

14:15-17:55

1 stop11h 40m

£416

PortlandLondon

PDX - LHR

PDXLHR

Portland

Mon 5/1

07:10-06:40

2 stops15h 30m

London Heathrow

Wed 14/1

07:40-00:19

3 stops24h 39m

£416

PortlandLondon

PDX - LTN

PDXLTN

Portland

Mon 10/11

14:45-14:00

1 stop15h 15m

London Luton

Sun 16/11

06:00-17:00

1 stop19h 00m

£417

PortlandLondon

PDX - LTN

PDXLTN

Portland

Tue 11/11

14:45-14:25

1 stop15h 40m

London Luton

Sun 16/11

06:00-17:00

1 stop19h 00m

£418

PortlandLondon

PDX - LGW

PDXLGW

Portland

Wed 15/10

15:20-14:40

1 stop15h 20m

London Gatwick

Mon 20/10

15:40-17:55

1 stop34h 15m

£418

PortlandLondon

PDX - LGW

PDXLGW

Portland

Wed 27/8

15:20-11:45

1 stop12h 25m

London Gatwick

Tue 9/9

13:00-17:55

1 stop12h 55m

£420

Flights are sorted by cheapest return flights first.

Deals found on 13/8

Showing 1-10 of 60 results

...

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?

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

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).

Reviews of airlines servicing United Kingdom

Get a feel of what it's like to fly with Virgin Atlantic, Iberia, 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

7.4

Good

657 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jorge,Jun 2025

SFO - LHR

Exceptional, the flight attendant were amazing. My economy delight seat was very comfortable, and I was fortunate enough to have an empty row

Virgin Atlantic

7.4

Good

657 reviews

Virgin Atlantic

7.4

Good

657 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jorge,Jun 2025

SFO - LHR

Exceptional, the flight attendant were amazing. My economy delight seat was very comfortable, and I was fortunate enough to have an empty row

Iberia

7.0

Good

2,882 reviews

Virgin Atlantic

7.4

Good

657 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jorge,Jun 2025

SFO - LHR

Exceptional, the flight attendant were amazing. My economy delight seat was very comfortable, and I was fortunate enough to have an empty row

British Airways

6.7

Okay

7,267 reviews

Virgin Atlantic

7.4

Good

657 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jorge,Jun 2025

SFO - LHR

Exceptional, the flight attendant were amazing. My economy delight seat was very comfortable, and I was fortunate enough to have an empty row

Related info for your journey

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 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 (82%), Alaska Airlines (82%) or Aer Lingus (82%) 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 £1,339, our data indicates the cheapest price to be £295. The most popular route (Portland - London Heathrow), is priced around £364.
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

Alternative routes for Portland to United Kingdom

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Top 2 airlines flying from Portland to United Kingdom

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£385	Average£594	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Iberia	Cheapest£449	Average£540	FlexibilityNo cancel fee	On-time77%	Search Iberia flights

Fly with Cheapflights

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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Cheap flights from Portland to the United Kingdom from £184

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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.

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 15 August 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Portland to United Kingdom

Cheapest flights from Portland to United KingdomExplore 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 15 August 2025.

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 15 August 2025.

Cheapflights Fare Finder

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

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.

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?

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 15 August 2025.

Weekly flight availability from Portland to United Kingdom

Reviews of airlines servicing United Kingdom

Get a feel of what it's like to fly with Virgin Atlantic, Iberia, 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.

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?

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

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

What are the cheapest flights from Portland to United Kingdom?

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

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

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

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

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.

Alternative routes for Portland to United Kingdom

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Portland to United Kingdom

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?

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

Can Cheapflights 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?

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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 15 August 2025.