Cheap flights from the United Kingdom to Portland from £287

LHR — PDX
4 Dec — 11 Dec1
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

Thu 3/1219:10 -
2 stops35h 08m
Mon 7/1207:10 -
2 stops27h 20m
Deal found 4/11£587
Thu 10/1219:10 -
2 stops35h 08m
Sun 10/107:00 -
2 stops27h 30m
Deal found 3/11£595
Mon 9/1106:40 -
2 stops23h 20m
Mon 23/1111:00 -
2 stops22h 40m
Deal found 3/11£600
Sat 14/1110:20 -
2 stops18h 36m
Sat 23/111:05 -
2 stops22h 35m
Deal found 31/10£605
Tue 1/1218:40 -
2 stops34h 15m
Tue 8/1213:00 -
2 stops20h 40m
Deal found 4/11£607
Tue 10/1110:20 -
2 stops18h 36m
Sun 7/207:00 -
2 stops25h 00m
Deal found 3/11£610
Mon 30/1107:55 -
3 stops33h 31m
Mon 7/1214:45 -
2 stops23h 00m
Deal found 31/10£611
Wed 9/1206:40 -
2 stops18h 20m
Mon 11/114:45 -
1 stop20h 45m
Deal found 2/11£611
Mon 16/1106:40 -
2 stops24h 00m
Mon 30/1111:00 -
2 stops26h 40m
Deal found 1/11£614
Wed 18/1106:40 -
2 stops23h 20m
Wed 9/1211:01 -
3 stops20h 59m
Deal found 2/11£615
Tue 1/1213:55 -
2 stops35h 05m
Tue 8/1214:45 -
1 stop12h 05m
Deal found 31/10£618
Tue 17/1110:20 -
2 stops18h 36m
Sun 22/1111:00 -
2 stops26h 40m
Deal found 31/10£619

Find flight deals from United Kingdom to Portland

Round-trip from

£563

One-way from

£287

Popular in

August

Cheapest in

January

Average price

£722

Good round-trip deal

£762 or less

Good one-way deal

£1,309 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 4/2-20/4
  • 4 total stops
  • 49h 55m total
  • United Kingdom to Portland
25/11-31/12
  • 25/11-31/12
  • 2 total stops
  • 35h 07m total
  • United Kingdom to Portland
Highest demand for flights based on searches. 12% potential increase in price (£85 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£16 potential savings vs. average return price).
Average for round-trip flights in November 2026
Price to beat on a round-trip flight from United Kingdom to Portland.
Price to beat on a one-way flight from United Kingdom to Portland.

Cheapflights Fare Finder

 
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

STN London Stansted - PDX Portland

STNPDX

London Stansted

Fri 11/12

15:30-20:17

3 stops36h 47m

Portland

Wed 31/12

00:00-09:00

Nonstop0h 00m

£341

LondonPortland

STN London Stansted - PDX Portland

STNPDX

London Stansted

Wed 9/12

20:40-17:00

3 stops52h 20m

Portland

Wed 31/12

00:00-09:00

Nonstop0h 00m

£357

LondonPortland

LGW London Gatwick - PDX Portland

LGWPDX

London Gatwick

Thu 10/12

17:45-17:00

3 stops31h 15m

Portland

Wed 31/12

00:00-09:00

Nonstop0h 00m

£357

LondonPortland

LGW London Gatwick - PDX Portland

LGWPDX

London Gatwick

Wed 9/12

21:05-17:00

3 stops51h 55m

Portland

Wed 31/12

00:00-09:00

Nonstop0h 00m

£357

LondonPortland

STN London Stansted - PDX Portland

STNPDX

London Stansted

Mon 14/12

17:25-20:42

3 stops59h 17m

Portland

Wed 31/12

00:00-09:00

Nonstop0h 00m

£364

LondonPortland

STN London Stansted - PDX Portland

STNPDX

London Stansted

Tue 6/4

19:25-17:55

3 stops30h 30m

Portland

Wed 31/12

00:00-09:00

Nonstop0h 00m

£373

LondonPortland

LGW London Gatwick - PDX Portland

LGWPDX

London Gatwick

Thu 12/11

08:50-17:00

3 stops40h 10m

Portland

Wed 31/12

00:00-09:00

Nonstop0h 00m

£374

LondonPortland

STN London Stansted - PDX Portland

STNPDX

London Stansted

Mon 16/11

16:25-17:00

3 stops56h 35m

Portland

Wed 31/12

00:00-09:00

Nonstop0h 00m

£386

ManchesterPortland

MAN Manchester - PDX Portland

MANPDX

Manchester

Fri 20/11

16:10-17:00

3 stops56h 50m

Portland

Wed 31/12

00:00-09:00

Nonstop0h 00m

£389

LondonPortland

LHR London Heathrow - PDX Portland

LHRPDX

London Heathrow

Tue 2/2

12:15-17:00

1 stop12h 45m

Portland

Wed 31/12

00:00-09:00

Nonstop0h 00m

£499

Flights are sorted by cheapest return flights first.

Deals found on 2/11

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
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

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 £672). Flying from United Kingdom to Portland in July is currently the most expensive (average of £987). 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?

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.

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

About 19% of weekly flights between United Kingdom and Portland have experienced delays in the past year, with the average delay time being 129 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?

Sunday 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 19% 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 75 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

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.

Food

7.4

Comfort

7.7

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Food

7.4

Comfort

7.7

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Food

7.4

Comfort

7.7

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Food

7.4

Comfort

7.7

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Food

7.4

Comfort

7.7

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Food

7.4

Comfort

7.7

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Related info for your journey

  • 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 Icelandair fly from United Kingdom to Portland in about 13h 40m. The time it takes to get you to your destination can typically vary by up to 21h 28m. Airlines will cover a distance of 4584 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 JetBlue (£382), British Airways (£447), and Finnair (£666).

  • What are the most popular routes 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 (57%), Alaska Airlines (57%), Aer Lingus (57%).

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

    Looking at all options, your cheapest flight can be booked for £729. While the most popular route (London Heathrow - Portland) can be booked for £569 on average, our data indicates £1,181 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 £672). Flying from United Kingdom to Portland in July is currently the most expensive (average of £987). 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

Top 10 airlines flying from United Kingdom to Portland

AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£473Average£974FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£496Average£863FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IcelandairCheapest£521Average£679FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
United AirlinesCheapest£545Average£873FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Scandinavian AirlinesCheapest£566Average£734FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Virgin AtlanticCheapest£582Average£923FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
FinnairCheapest£586Average£880FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£605Average£838FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£652Average£830FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Alaska AirlinesCheapest£704Average£843FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Fly with Cheapflights

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.