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Cheap flights from the United Kingdom to Portland from £274

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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PDX
15 Mar — 22 Mar1
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 13 February 2026.

Mon 16/321:30
LGW
-
PDX
3 stops42h 45m
Multiple Airlines
Mon 30/315:30
PDX
-
LGW
2 stops17h 50m
Multiple Airlines
Deal found 10/2£514
Mon 4/510:55
MAN
-
PDX
1 stop14h 45m
British Airways
Mon 18/519:30
PDX
-
MAN
1 stop15h 45m
British Airways
Deal found 11/2£535
Mon 16/311:55
LGW
-
PDX
1 stop13h 05m
Icelandair
Mon 30/315:30
PDX
-
LGW
1 stop15h 10m
Icelandair
Deal found 10/2£538
Wed 18/312:15
LHR
-
PDX
1 stop12h 45m
Icelandair
Tue 31/315:30
PDX
-
LHR
1 stop12h 25m
Icelandair
Deal found 10/2£548
Tue 21/415:40
LGW
-
PDX
1 stop34h 20m
Icelandair
Wed 20/519:05
PDX
-
LGW
1 stop11h 35m
Icelandair
Deal found 12/2£552
Tue 21/421:25
LHR
-
PDX
1 stop28h 35m
Icelandair
Wed 20/519:05
PDX
-
LHR
1 stop17h 15m
Icelandair
Deal found 12/2£552
Tue 10/306:30
LHR
-
PDX
2 stops17h 20m
Multiple Airlines
Sun 15/307:05
PDX
-
LHR
1 stop20h 45m
Multiple Airlines
Deal found 10/2£555
Wed 9/913:05
LHR
-
PDX
1 stop12h 50m
Icelandair
Thu 24/915:30
PDX
-
LHR
1 stop20h 50m
Icelandair
Deal found 10/2£560
Tue 8/921:25
LHR
-
PDX
1 stop28h 30m
Icelandair
Wed 23/915:30
PDX
-
LHR
1 stop12h 25m
Icelandair
Deal found 10/2£568
Mon 4/513:05
LHR
-
PDX
1 stop12h 55m
Icelandair
Mon 18/515:30
PDX
-
LHR
1 stop12h 25m
Icelandair
Deal found 10/2£572
Mon 16/309:30
LHR
-
PDX
2 stops22h 05m
Multiple Airlines
Mon 30/307:00
PDX
-
LHR
1 stop17h 30m
Multiple Airlines
Deal found 10/2£575
Fri 1/509:30
LHR
-
PDX
2 stops59h 06m
Air Canada
Wed 13/515:25
PDX
-
LHR
1 stop13h 55m
Air Canada
Deal found 12/2£584

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 13 February 2026.

Round-trip from

£514

One-way from

£274

Popular in

July

Cheapest in

September

Average price

£578

Good round-trip deal

£647 or less
16/3-30/3
  • 16/3-30/3
  • 5 total stops
  • 60h 35m total
  • United Kingdom to Portland
Search Deals
5/3
  • 5/3
  • 3 total stops
  • 34h 43m total
  • United Kingdom to Portland
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£69 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip 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 13 February 2026.
Use the filters below to find and compare flights from the United Kingdom to Portland that are best for you.

Fly from

United Kingdom

Fly to

Portland

Route

Depart

Return

Price

LondonPortland

LGW - PDX

LGWPDX

London Gatwick

Mon 16/3

21:30-09:15

3 stops42h 45m

Portland

Mon 30/3

15:30-17:20

2 stops17h 50m

£514

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Mon 16/3

20:05-23:04

2 stops33h 59m

Portland

Mon 30/3

13:39-17:50

2 stops20h 11m

£593

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Tue 10/3

07:30-21:58

2 stops21h 28m

Portland

Tue 17/3

07:00-06:40

2 stops16h 40m

£596

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Mon 16/3

07:30-21:58

2 stops21h 28m

Portland

Mon 30/3

19:14-20:40

2 stops17h 26m

£596

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Wed 11/3

06:30-17:52

2 stops18h 22m

Portland

Mon 16/3

05:05-05:55

2 stops17h 50m

£598

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Wed 18/3

07:30-21:52

2 stops21h 22m

Portland

Tue 31/3

07:00-07:15

2 stops16h 15m

£598

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Wed 11/3

07:30-17:52

2 stops17h 22m

Portland

Wed 18/3

07:00-06:40

2 stops16h 40m

£598

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Wed 22/4

07:25-18:34

2 stops19h 09m

Portland

Thu 21/5

05:15-11:10

1 stop21h 55m

£608

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Sat 25/7

08:20-23:59

1 stop23h 39m

Portland

Fri 7/8

12:04-11:35

1 stop15h 31m

£610

LondonPortland

LGW - PDX

LGWPDX

London Gatwick

Thu 14/5

15:40-18:00

1 stop34h 20m

Portland

Thu 21/5

15:30-14:40

1 stop15h 10m

£610

Flights are sorted by cheapest return flights first.

Deals found on 11/2

Showing 1-10 of 60 results
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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, March is the cheapest month in which you can book a flight from United Kingdom to Portland (average of £432). Flying from United Kingdom to Portland in January is currently the most expensive (average of £548). 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.

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

About 20% of weekly flights between United Kingdom and Portland have experienced delays in the past year, with the average delay time being 119 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 Sunday 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 20% of flights being delayed.

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 13 February 2026.
Read through reviews of airlines operating flights from the United Kingdom to Portland, such as KLM, Finnair, andVirgin Atlantic. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,454 reviews
Check prices

Entertainment

7.1

Crew

8.4

Comfort

7.6

Boarding

7.8

Food

7.3

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,454 reviews
KLM
7.7
Good
1,454 reviews
Check prices

Entertainment

7.1

Crew

8.4

Comfort

7.6

Boarding

7.8

Food

7.3

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Finnair
7.6
Good
1,362 reviews
KLM
7.7
Good
1,454 reviews
Check prices

Entertainment

7.1

Crew

8.4

Comfort

7.6

Boarding

7.8

Food

7.3

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Virgin Atlantic
7.5
Good
678 reviews
KLM
7.7
Good
1,454 reviews
Check prices

Entertainment

7.1

Crew

8.4

Comfort

7.6

Boarding

7.8

Food

7.3

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Icelandair
7.1
Good
614 reviews
KLM
7.7
Good
1,454 reviews
Check prices

Entertainment

7.1

Crew

8.4

Comfort

7.6

Boarding

7.8

Food

7.3

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
British Airways
6.7
Okay
7,738 reviews
KLM
7.7
Good
1,454 reviews
Check prices

Entertainment

7.1

Crew

8.4

Comfort

7.6

Boarding

7.8

Food

7.3

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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 SWISS, United Airlines, and Icelandair fly from United Kingdom to Portland in about 21h 28m. The time it takes to get you to your destination can typically vary by up to 12h 52m. 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 Icelandair (£321), British Airways (£419), and Virgin Atlantic (£442).

  • 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 (90%), Alaska Airlines (90%), Aer Lingus (90%).

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

    Looking at all options, your cheapest flight can be booked for £552. While the most popular route (London Heathrow - Portland) can be booked for £548 on average, our data indicates £918 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, March is the cheapest month in which you can book a flight from United Kingdom to Portland (average of £432). Flying from United Kingdom to Portland in January is currently the most expensive (average of £548). 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

Travelling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Cannon Beach
Lincoln City

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 13 February 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£326Average£656FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Scandinavian AirlinesCheapest£408Average£584FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
IcelandairCheapest£433Average£609FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£478Average£706FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£488Average£632FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest£489Average£575FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
FinnairCheapest£494Average£671FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Virgin AtlanticCheapest£499Average£736FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£514Average£766FlexibilityNo cancel feeOn-time75%
Search KLM flights
American AirlinesCheapest£532Average£695FlexibilityNo cancel feeOn-time71%
Search American 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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