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Cheap flights from the United Kingdom to Portland from £296

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PDX
31 Aug — 7 Sep1
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 1 August 2026.

Mon 21/920:25
MAN
-
PDX
2 stops32h 38m
Scandinavian Airlines
Wed 30/907:10
PDX
-
MAN
2 stops20h 55m
Scandinavian Airlines
Deal found 30/7£555
Sun 20/909:35
MAN
-
PDX
2 stops18h 27m
Scandinavian Airlines
Sat 26/911:20
PDX
-
MAN
2 stops23h 30m
Scandinavian Airlines
Deal found 29/7£564
Thu 10/921:10
MAN
-
PDX
2 stops31h 53m
Scandinavian Airlines
Wed 23/907:10
PDX
-
MAN
2 stops27h 20m
Scandinavian Airlines
Deal found 31/7£568
Fri 4/920:25
MAN
-
PDX
2 stops32h 48m
Scandinavian Airlines
Fri 25/907:10
PDX
-
MAN
2 stops27h 20m
Scandinavian Airlines
Deal found 28/7£572
Wed 14/1012:45
MAN
-
PDX
2 stops40h 05m
Scandinavian Airlines
Sat 17/1007:00
PDX
-
MAN
2 stops20h 45m
Scandinavian Airlines
Deal found 30/7£579
Thu 3/919:10
MAN
-
PDX
2 stops30h 04m
Scandinavian Airlines
Tue 15/907:10
PDX
-
MAN
2 stops20h 55m
Scandinavian Airlines
Deal found 29/7£583
Tue 1/912:30
EDI
-
PDX
1 stop15h 40m
United Airlines
Thu 10/910:56
PDX
-
EDI
1 stop13h 09m
United Airlines
Deal found 31/7£604
Sun 20/919:45
MAN
-
PDX
2 stops46h 03m
Multiple Airlines
Mon 5/1015:30
PDX
-
MAN
1 stop12h 10m
Multiple Airlines
Deal found 29/7£606
Tue 18/808:20
BRS
-
PDX
3 stops33h 11m
Multiple Airlines
Tue 25/815:30
PDX
-
BRS
2 stops23h 40m
Multiple Airlines
Deal found 27/7£629
Mon 21/919:10
MAN
-
PDX
2 stops50h 40m
Multiple Airlines
Wed 30/915:30
PDX
-
MAN
1 stop12h 10m
Multiple Airlines
Deal found 30/7£636
Mon 7/1212:15
LHR
-
PDX
1 stop12h 45m
Multiple Airlines
Mon 28/1219:10
PDX
-
LHR
1 stop32h 40m
Multiple Airlines
Deal found 28/7£649
Tue 1/914:00
LGW
-
PDX
2 stops35h 11m
Multiple Airlines
Thu 10/921:30
PDX
-
LGW
1 stop24h 50m
Multiple Airlines
Deal found 31/7£649

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 1 August 2026.

Round-trip from

£555

One-way from

£296

Popular in

July

Cheapest in

February

Average price

£821

Good round-trip deal

£780 or less

Good one-way deal

£618 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 21/9-30/9
  • 4 total stops
  • 53h 33m total
  • United Kingdom to Portland
Search Deals
1/9
  • 1/9
  • 2 total stops
  • 35h 11m total
  • United Kingdom to Portland
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£103 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 1 August 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

ManchesterPortland

MAN - PDX

MANPDX

Manchester

Sun 20/9

09:35-20:02

2 stops18h 27m

Portland

Sat 26/9

11:20-18:50

2 stops23h 30m

£564

ManchesterPortland

MAN - PDX

MANPDX

Manchester

Wed 14/10

12:45-20:50

2 stops40h 05m

Portland

Sat 17/10

07:00-11:45

2 stops20h 45m

£579

LondonPortland

LTN - PDX

LTNPDX

London Luton

Mon 23/11

08:00-17:00

1 stop17h 00m

Portland

Mon 30/11

14:45-14:05

1 stop15h 20m

£655

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Tue 1/9

08:00-22:45

2 stops22h 45m

Portland

Thu 10/9

10:50-12:25

1 stop17h 35m

£660

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Thu 10/12

06:40-22:40

2 stops24h 00m

Portland

Mon 14/12

07:05-09:20

2 stops18h 15m

£677

BristolPortland

BRS - PDX

BRSPDX

Bristol

Tue 18/8

08:20-09:31

3 stops33h 11m

Portland

Tue 25/8

15:30-22:05

3 stops22h 35m

£694

LondonPortland

LGW - PDX

LGWPDX

London Gatwick

Tue 15/9

09:25-19:11

2 stops17h 46m

Portland

Tue 22/9

07:02-08:25

2 stops17h 23m

£699

EdinburghPortland

EDI - PDX

EDIPDX

Edinburgh Turnhouse

Mon 11/1

05:40-22:26

3 stops24h 46m

Portland

Mon 1/2

13:00-18:25

2 stops21h 25m

£704

LondonPortland

LGW - PDX

LGWPDX

London Gatwick

Tue 8/9

15:40-17:50

1 stop34h 10m

Portland

Thu 24/9

15:30-14:40

1 stop15h 10m

£709

LondonPortland

STN - PDX

STNPDX

London Stansted

Thu 10/9

06:30-09:31

3 stops35h 01m

Portland

Wed 23/9

15:30-21:40

2 stops22h 10m

£710

Flights are sorted by cheapest return flights first.

Deals found on 29/7

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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, February is the cheapest month in which you can book a flight from United Kingdom to Portland (average of £592). Flying from United Kingdom to Portland in July is currently the most expensive (average of £997). 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 1 August 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 1 August 2026.

The most flights from GB0 to PDX are scheduled on a Tuesday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

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

About 23% of weekly flights between United Kingdom and Portland have experienced delays in the past year, with the average delay time being 125 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 23% 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 1 August 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
1,552 reviews
Check prices

Comfort

7.7

Crew

8.4

Entertainment

7.2

Boarding

7.8

Overall

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
KLM
7.8
Good
1,552 reviews
KLM
7.8
Good
1,552 reviews
Check prices

Comfort

7.7

Crew

8.4

Entertainment

7.2

Boarding

7.8

Overall

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
Virgin Atlantic
7.5
Good
694 reviews
KLM
7.8
Good
1,552 reviews
Check prices

Comfort

7.7

Crew

8.4

Entertainment

7.2

Boarding

7.8

Overall

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
American Airlines
7.1
Good
11,849 reviews
KLM
7.8
Good
1,552 reviews
Check prices

Comfort

7.7

Crew

8.4

Entertainment

7.2

Boarding

7.8

Overall

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
Icelandair
7.0
Good
716 reviews
KLM
7.8
Good
1,552 reviews
Check prices

Comfort

7.7

Crew

8.4

Entertainment

7.2

Boarding

7.8

Overall

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
British Airways
6.7
Okay
8,137 reviews
KLM
7.8
Good
1,552 reviews
Check prices

Comfort

7.7

Crew

8.4

Entertainment

7.2

Boarding

7.8

Overall

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

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 Scandinavian Airlines, United Airlines, and SWISS fly from United Kingdom to Portland in about 17h 46m. The time it takes to get you to your destination can typically vary by up to 4h 59m. Airlines will cover a distance of 4921 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 Virgin Atlantic (£426), British Airways (£446), and Icelandair (£457).

  • 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 (73%), Alaska Airlines (73%), Aer Lingus (73%).

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

    Looking at all options, your cheapest flight can be booked for £446. While the most popular route (London Heathrow - Portland) can be booked for £510 on average, our data indicates £2,235 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, February is the cheapest month in which you can book a flight from United Kingdom to Portland (average of £592). Flying from United Kingdom to Portland in July is currently the most expensive (average of £997). 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 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 1 August 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£419Average£679FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
FinnairCheapest£468Average£877FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Air CanadaCheapest£493Average£678FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
KLMCheapest£511Average£868FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapest£512Average£641FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£521Average£786FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£532Average£711FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
American AirlinesCheapest£539Average£785FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest£539Average£752FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Scandinavian AirlinesCheapest£564Average£600FlexibilityNo 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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