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Cheap flights from the United Kingdom to Portland from £320

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
20 Aug — 27 Aug1
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 21 July 2026.

Fri 4/919:40
EDI
-
PDX
3 stops29h 34m
Scandinavian Airlines
Sat 19/907:10
PDX
-
EDI
2 stops27h 15m
Scandinavian Airlines
Deal found 20/7£588
Thu 3/919:10
EDI
-
PDX
2 stops30h 04m
Scandinavian Airlines
Wed 16/907:10
PDX
-
EDI
2 stops27h 15m
Scandinavian Airlines
Deal found 20/7£593
Tue 27/1013:25
MAN
-
PDX
2 stops35h 35m
Multiple Airlines
Tue 10/1114:45
PDX
-
MAN
2 stops23h 55m
Multiple Airlines
Deal found 16/7£616
Thu 29/1019:15
MAN
-
PDX
2 stops34h 04m
Scandinavian Airlines
Sat 7/1111:00
PDX
-
MAN
2 stops38h 30m
Scandinavian Airlines
Deal found 18/7£648
Sun 30/811:30
EDI
-
PDX
1 stop19h 19m
JetBlue
Sun 6/914:20
PDX
-
EDI
1 stop35h 40m
JetBlue
Deal found 16/7£656
Fri 28/812:20
LGW
-
PDX
1 stop18h 09m
JetBlue
Sat 5/914:19
PDX
-
LGW
1 stop35h 16m
JetBlue
Deal found 21/7£680
Sat 22/806:35
STN
-
PDX
3 stops34h 56m
Multiple Airlines
Fri 28/819:00
PDX
-
STN
2 stops21h 50m
Multiple Airlines
Deal found 20/7£683
Thu 3/915:40
LGW
-
PDX
1 stop34h 10m
Icelandair
Wed 16/915:30
PDX
-
LGW
1 stop15h 10m
Icelandair
Deal found 16/7£683
Sun 4/1009:50
LHR
-
PDX
2 stops31h 39m
Multiple Airlines
Fri 9/1014:30
PDX
-
LHR
1 stop13h 35m
Multiple Airlines
Deal found 16/7£685
Sun 30/817:30
LGW
-
PDX
2 stops27h 40m
Multiple Airlines
Sun 6/919:00
PDX
-
LGW
2 stops17h 10m
Multiple Airlines
Deal found 16/7£686
Mon 31/806:30
LHR
-
PDX
1 stop14h 40m
Multiple Airlines
Mon 7/915:30
PDX
-
LHR
1 stop19h 10m
Multiple Airlines
Deal found 17/7£687
Thu 27/822:05
STN
-
PDX
3 stops47h 45m
Multiple Airlines
Sun 30/819:00
PDX
-
STN
2 stops20h 20m
Multiple Airlines
Deal found 18/7£688

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 21 July 2026.

Round-trip from

£588

One-way from

£320

Popular in

July

Cheapest in

February

Average price

£866

Good round-trip deal

£729 or less

Good one-way deal

£650 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 4/9-19/9
  • 5 total stops
  • 56h 49m total
  • United Kingdom to Portland
Search Deals
1/9
  • 1/9
  • 3 total stops
  • 51h 51m total
  • United Kingdom to Portland
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£62 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 21 July 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

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Sun 4/10

06:40-20:02

3 stops21h 22m

Portland

Fri 9/10

07:00-13:35

2 stops22h 35m

£689

ManchesterPortland

MAN - PDX

MANPDX

Manchester

Sat 29/8

09:35-17:14

2 stops15h 39m

Portland

Mon 31/8

10:50-08:55

2 stops38h 05m

£690

LondonPortland

LGW - PDX

LGWPDX

London Gatwick

Thu 3/9

14:00-20:12

1 stop38h 12m

Portland

Wed 16/9

07:18-10:00

1 stop18h 42m

£691

LondonPortland

STN - PDX

STNPDX

London Stansted

Sun 30/8

20:05-13:10

2 stops25h 05m

Portland

Sun 6/9

19:00-19:55

2 stops16h 55m

£694

LondonPortland

LGW - PDX

LGWPDX

London Gatwick

Thu 3/9

14:00-20:12

1 stop38h 12m

Portland

Thu 10/9

21:30-06:20

1 stop24h 50m

£698

EdinburghPortland

EDI - PDX

EDIPDX

Edinburgh Turnhouse

Mon 11/1

05:40-21:27

3 stops23h 47m

Portland

Mon 1/2

07:00-18:25

2 stops27h 25m

£709

EdinburghPortland

EDI - PDX

EDIPDX

Edinburgh Turnhouse

Thu 20/8

11:30-09:31

2 stops30h 01m

Portland

Thu 27/8

15:30-18:00

2 stops18h 30m

£712

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Tue 1/9

06:30-11:10

1 stop12h 40m

Portland

Tue 8/9

11:49-13:15

1 stop17h 26m

£721

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Mon 14/9

11:10-19:36

1 stop16h 26m

Portland

Tue 13/10

19:30-13:00

Nonstop9h 30m

£721
Fastest return journey

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 30/9

14:20-17:55

1 stop11h 35m

Portland

Mon 5/10

15:30-13:25

1 stop13h 55m

£726

Flights are sorted by cheapest return flights first.

Deals found on 18/7

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 £593). Flying from United Kingdom to Portland in July is currently the most expensive (average of £976). 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 21 July 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 21 July 2026.

The most flights from GB0 to PDX 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 often are flights from the United Kingdom to Portland delayed?

About 22% of weekly flights between United Kingdom and Portland have experienced delays in the past year, with the average delay time being 124 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 22% 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 21 July 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
1,543 reviews
Check prices

Food

7.3

Entertainment

7.2

Crew

8.4

Comfort

7.7

Overall

7.8

Boarding

7.8

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
1,543 reviews
KLM
7.8
Good
1,543 reviews
Check prices

Food

7.3

Entertainment

7.2

Crew

8.4

Comfort

7.7

Overall

7.8

Boarding

7.8

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
693 reviews
KLM
7.8
Good
1,543 reviews
Check prices

Food

7.3

Entertainment

7.2

Crew

8.4

Comfort

7.7

Overall

7.8

Boarding

7.8

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
11,838 reviews
KLM
7.8
Good
1,543 reviews
Check prices

Food

7.3

Entertainment

7.2

Crew

8.4

Comfort

7.7

Overall

7.8

Boarding

7.8

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
715 reviews
KLM
7.8
Good
1,543 reviews
Check prices

Food

7.3

Entertainment

7.2

Crew

8.4

Comfort

7.7

Overall

7.8

Boarding

7.8

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
8,124 reviews
KLM
7.8
Good
1,543 reviews
Check prices

Food

7.3

Entertainment

7.2

Crew

8.4

Comfort

7.7

Overall

7.8

Boarding

7.8

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, Delta, and British Airways fly from United Kingdom to Portland in about 12h 40m. The time it takes to get you to your destination can typically vary by up to 8h 42m. Airlines will cover a distance of 4896 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 £569 on average, our data indicates £2,133 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 £593). Flying from United Kingdom to Portland in July is currently the most expensive (average of £976). 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 21 July 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£331Average£654FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
IcelandairCheapest£420Average£683FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
FinnairCheapest£468Average£878FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Air CanadaCheapest£493Average£678FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
KLMCheapest£511Average£863FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£521Average£780FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£533Average£711FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
American AirlinesCheapest£539Average£786FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest£540Average£749FlexibilityNo 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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