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Cheap flights from the United Kingdom to Portland from £310

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to Portland departing on 5/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from the United Kingdom to Portland

Recent return flight deals from the United Kingdom to Portland

Enter your travel dates to find the best prices.
United Airlines Logo
12:00 - 21:49
LHR
-
PDX
17h 49m1 stop
United Airlines Logo
10:47 - 11:15
PDX
-
LHR
16h 28m1 stop
£402United Airlines
Wed, 21 Jan - Mon, 26 Jan
Air Canada Logo
14:30 - 09:15
LHR
-
PDX
26h 45m1 stop
Air Canada Logo
19:00 - 11:50
PDX
-
LHR
32h 50m1 stop
£505Air Canada
Wed, 14 Jan - Sun, 18 Jan
Icelandair Logo
11:55 - 17:00
LGW
-
PDX
13h 05m1 stop
Icelandair Logo
15:45 - 10:55
PDX
-
LGW
12h 10m1 stop
£510Icelandair
Fri, 6 Mar - Mon, 16 Mar
Icelandair Logo
15:40 - 18:00
LGW
-
PDX
34h 20m1 stop
Icelandair Logo
15:30 - 14:40
PDX
-
LGW
15h 10m1 stop
£510Icelandair
Tue, 28 Apr - Sat, 2 May
British Airways Logo
10:05 - 18:51
LHR
-
PDX
16h 46m1 stop
British Airways Logo
07:38 - 06:50
PDX
-
LHR
15h 12m1 stop
£518British Airways
Tue, 13 Jan - Wed, 28 Jan
Virgin Atlantic Logo
08:40 - 20:32
LCY
-
PDX
19h 52m2 stops
Virgin Atlantic Logo
13:25 - 09:30
PDX
-
LCY
12h 05m1 stop
£581Virgin Atlantic
Mon, 9 Feb - Mon, 23 Feb
British Airways Logo
11:45 - 23:09
LGW
-
PDX
42h 24m2 stops
British Airways Logo
13:52 - 19:00
PDX
-
LGW
46h 08m2 stops
£582British Airways
Mon, 9 Mar - Sun, 15 Mar
KLM Logo
17:00 - 11:25
EDI
-
PDX
26h 25m1 stop
KLM Logo
06:00 - 10:10
PDX
-
EDI
20h 10m2 stops
£582KLM
Tue, 27 Jan - Tue, 3 Feb
Virgin Atlantic Logo
20:05 - 11:25
LCY
-
PDX
23h 20m1 stop
Virgin Atlantic Logo
06:00 - 08:50
PDX
-
LCY
18h 50m2 stops
£607Virgin Atlantic
Thu, 12 Feb - Thu, 19 Feb
KLM Logo
20:15 - 11:10
LCY
-
PDX
22h 55m1 stop
KLM Logo
13:05 - 08:50
PDX
-
LCY
11h 45m1 stop
£607KLM
Mon, 13 Apr - Sun, 26 Apr

Air Canada flights from United Kingdom to Portland

Our best Air Canada deals on United Kingdom to Portland flight tickets
Air Canada
14 Jan
LHR14:30London Heathrow
26h 45m
1 stop
PDX09:15Portland
18 Jan
PDX19:00Portland
32h 50m
1 stop
LHR11:50London Heathrow
£505
Find similar
Air Canada
14 Jan
LHR13:25London Heathrow
27h 50m
2 stops
PDX09:15Portland
18 Jan
PDX09:50Portland
18h 00m
1 stop
LHR11:50London Heathrow
£507
Find similar
Air Canada
14 Jan
LHR13:25London Heathrow
27h 50m
2 stops
PDX09:15Portland
18 Jan
PDX19:00Portland
27h 30m
2 stops
LHR06:30London Heathrow
£512
Find similar

British Airways flights from United Kingdom to Portland

Our best British Airways deals on United Kingdom to Portland flight tickets
British Airways
13 Jan
LHR10:05London Heathrow
16h 46m
1 stop
PDX18:51Portland
28 Jan
PDX07:38Portland
15h 12m
1 stop
LHR06:50London Heathrow
£518
Find similar
British Airways
9 Mar
LHR18:45London Heathrow
34h 17m
2 stops
PDX22:02Portland
16 Mar
PDX05:40Portland
19h 35m
1 stop
LHR08:15London Heathrow
£527
Find similar
British Airways
16 Mar
LHR13:45London Heathrow
10h 10m
PDX16:55Portland
30 Mar
PDX11:46Portland
13h 19m
1 stop
LHR09:05London Heathrow
£533
Find similar

momondo 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, momondo users made 279,928 searches. Data last updated 30 December 2025.
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

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Wed 21/1

12:00-21:49

1 stop17h 49m

Portland

Mon 26/1

10:47-11:15

1 stop16h 28m

£402

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Wed 14/1

14:30-09:15

1 stop26h 45m

Portland

Sun 18/1

19:00-11:50

1 stop32h 50m

£505

LondonPortland

LGW - PDX

LGWPDX

London Gatwick

Fri 6/3

11:55-17:00

1 stop13h 05m

Portland

Mon 16/3

15:45-10:55

1 stop12h 10m

£510

LondonPortland

LGW - PDX

LGWPDX

London Gatwick

Tue 28/4

15:40-18:00

1 stop34h 20m

Portland

Sat 2/5

15:30-14:40

1 stop15h 10m

£510

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Tue 13/1

10:05-18:51

1 stop16h 46m

Portland

Wed 28/1

07:38-06:50

1 stop15h 12m

£518

LondonPortland

LCY - PDX

LCYPDX

London City

Mon 9/2

08:40-20:32

2 stops19h 52m

Portland

Mon 23/2

13:25-09:30

1 stop12h 05m

£581

LondonPortland

LGW - PDX

LGWPDX

London Gatwick

Mon 9/3

11:45-23:09

2 stops42h 24m

Portland

Sun 15/3

13:52-19:00

2 stops46h 08m

£582

EdinburghPortland

EDI - PDX

EDIPDX

Edinburgh Turnhouse

Tue 27/1

17:00-11:25

1 stop26h 25m

Portland

Tue 3/2

06:00-10:10

2 stops20h 10m

£582

LondonPortland

LCY - PDX

LCYPDX

London City

Thu 12/2

20:05-11:25

1 stop23h 20m

Portland

Thu 19/2

06:00-08:50

2 stops18h 50m

£607

LondonPortland

LCY - PDX

LCYPDX

London City

Mon 13/4

20:15-11:10

1 stop22h 55m

Portland

Sun 26/4

13:05-08:50

1 stop11h 45m

£607

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Portland from

How to get the cheapest flight ticket from United Kingdom to Portland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Portland?

The cheapest month to fly to Portland from United Kingdom is in September. Flight prices, which tend to average around £546, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in September, then you should wait until March to fly from United Kingdom, when ticket prices are also cheap, with an average price of £559.

What is the cheapest day to depart on your flight to Portland?

The cheapest day to depart on your flight to Portland is on a Wednesday when prices can be found for as low as £661. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Sunday, with ticket prices averaging around £752.

What is the cheapest time of day to depart on your flight to Portland?

Flying to Portland from United Kingdom at midday is the least expensive time of day to depart. momondo users have found prices as low as £646 when looking at flights departing at midday. Try not to purchase tickets in the afternoon because they tend to be around £720. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest United Kingdom to Portland flight route?

Fly from London Heathrow to Portland for the best United Kingdom - Portland flight prices

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

You are more likely to see cheaper flights to Portland from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland for around £650 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from United Kingdom for as low as £586 on momondo.

What cabin class options are available on United Kingdom to Portland flights?

There are 3 cabin classes available to choose from on United Kingdom to Portland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United Kingdom to Portland flights?

You could potentially save up to 10% on your flight if you consider stops on a United Kingdom to Portland flight.

Cheap United Kingdom to Portland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United Kingdom to Portland

Best price found

£657

Fastest flight time

10h 00m

Direct flights

Every day

Airports in Portland

1 airport
The best one-way flight to Portland from United Kingdom in the past 72 hours is £657. The best return flight deal from United Kingdom to Portland found on momondo in the last 72 hours is £639.
The fastest flight from United Kingdom to Portland takes 10h 00m
Direct flights go from United Kingdom to Portland every day.
There is 1 airport in Portland. From United Kingdom there are direct flights to Portland (PDX).
Search flight deals

  • When did momondo last update prices for flights from United Kingdom to Portland Airport?

    Prices for flights from United Kingdom to Portland Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from United Kingdom to Portland Airport?

  • How old do you have to be to fly from United Kingdom to Portland Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United Kingdom to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The necessary travel and health documents for your Portland Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from United Kingdom to Portland?

Best airlines flying from United Kingdom to Portland

Compare and see reviews for airlines that fly from United Kingdom to Portland with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom £412Free CancellationRating
7.4
1,633 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom £426Free CancellationRating
7.1
593 reviews
Search Icelandair flights
United AirlinesPriceFrom £428Free CancellationRating
7.4
9,123 reviews
Search United Airlines flights
British AirwaysPriceFrom £493Free CancellationRating
6.7
7,626 reviews
Search British Airways flights
Air CanadaPriceFrom £494Free CancellationRating
7.1
10,571 reviews
Search Air Canada flights
FinnairPriceFrom £499Free CancellationRating
7.6
1,343 reviews
Search Finnair flights
LufthansaPriceFrom £502Free CancellationRating
6.8
7,665 reviews
Search Lufthansa flights
Virgin AtlanticPriceFrom £504Free CancellationRating
7.5
677 reviews
Search Virgin Atlantic flights
KLMPriceFrom £519Free CancellationRating
7.7
1,435 reviews
Search KLM flights
American AirlinesPriceFrom £537Free CancellationRating
7.2
11,074 reviews
Search American Airlines flights

Travelling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Cannon Beach
Vancouver
Seaside
Astoria

Why use momondo?

Why should I use momondo to find a flight deal from United Kingdom to Portland?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Portland from United Kingdom.

Can I find flights from United Kingdom to Portland with flexible booking policies on momondo?

Flights from United Kingdom to Portland with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from United Kingdom to Portland?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Portland from United Kingdom.

I’m not ready to book a flight from United Kingdom to Portland right now. Can momondo alert me if prices change?

Yes. momondo can track prices for United Kingdom to Portland flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Portland trip

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