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Cheap flights from Portland to the United Kingdom from £200

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to the United Kingdom departing on 24/2. 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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Cheap return flights

Enter your travel dates to find the best prices.
Icelandair Logo
15:45 - 11:40PDX-MAN
11h 55m1 stop
Icelandair Logo
13:05 - 18:00MAN-PDX
12h 55m1 stop
£392Icelandair
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Mon, 6 Apr - Sun, 12 Apr
Multiple Airlines Logo
14:45 - 19:40PDX-GLA
20h 55m2 stops
Multiple Airlines Logo
07:45 - 17:00GLA-PDX
17h 15m2 stops
£393Multiple Airlines
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Mon, 17 Nov - Wed, 26 Nov
Finnair Logo
17:45 - 17:00PDX-EDI
15h 15m1 stop
Finnair Logo
08:15 - 23:59EDI-PDX
22h 44m2 stops
£417Finnair
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Sun, 1 Mar - Tue, 10 Mar
Virgin Atlantic Logo
06:00 - 07:05PDX-LHR
17h 05m1 stop
Virgin Atlantic Logo
11:05 - 17:35LHR-PDX
14h 30m1 stop
£431Virgin Atlantic
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Wed, 14 Jan - Thu, 29 Jan
Iberia Logo
17:45 - 11:20PDX-LHR
9h 35mdirect
Iberia Logo
19:05 - 11:45LHR-PDX
24h 40m2 stops
£434Iberia
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Wed, 14 Jan - Wed, 21 Jan
Iberia Logo
07:38 - 10:00PDX-LHR
18h 22m1 stop
Iberia Logo
18:45 - 11:45LHR-PDX
25h 00m2 stops
£438Iberia
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Wed, 14 Jan - Wed, 21 Jan
British Airways Logo
17:45 - 11:20PDX-LHR
9h 35mdirect
British Airways Logo
13:45 - 15:55LHR-PDX
10h 10mdirect
£444British Airways
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Wed, 14 Jan - Wed, 21 Jan
British Airways Logo
17:45 - 11:20PDX-LHR
9h 35mdirect
British Airways Logo
10:05 - 19:10LHR-PDX
17h 05m1 stop
£445British Airways
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Wed, 3 Dec - Wed, 10 Dec
Finnair Logo
07:38 - 06:50PDX-LHR
15h 12m1 stop
Finnair Logo
13:45 - 15:55LHR-PDX
10h 10mdirect
£451Finnair
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Wed, 14 Jan - Wed, 21 Jan
Virgin Atlantic Logo
13:25 - 09:30PDX-LCY
12h 05m1 stop
Virgin Atlantic Logo
10:00 - 20:40LCY-PDX
18h 40m2 stops
£488Virgin Atlantic
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Wed, 26 Nov - Wed, 3 Dec

Virgin Atlantic flights from Portland to United Kingdom

Our best Virgin Atlantic deals on Portland to United Kingdom flight tickets
Virgin Atlantic
14 Jan
PDX06:00Portland
17h 05m
1 stop
LHR07:05London Heathrow
29 Jan
LHR11:05London Heathrow
14h 30m
1 stop
PDX17:35Portland
£431
Find similar
Virgin Atlantic
5 Nov
PDX06:00Portland
16h 25m
1 stop
LHR06:25London Heathrow
12 Nov
LHR13:00London Heathrow
18h 58m
2 stops
PDX23:58Portland
£457
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Virgin Atlantic
26 Nov
PDX13:25Portland
12h 05m
1 stop
LCY09:30London City
3 Dec
LCY10:00London City
18h 40m
2 stops
PDX20:40Portland
£488
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Iberia flights from Portland to United Kingdom

Our best Iberia deals on Portland to United Kingdom flight tickets
Iberia
14 Jan
PDX17:45Portland
9h 35m
LHR11:20London Heathrow
21 Jan
LHR19:05London Heathrow
24h 40m
2 stops
PDX11:45Portland
£434
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Iberia
14 Jan
PDX07:38Portland
18h 22m
1 stop
LHR10:00London Heathrow
21 Jan
LHR18:45London Heathrow
25h 00m
2 stops
PDX11:45Portland
£438
Find similar
Iberia
3 Nov
PDX17:45Portland
12h 45m
1 stop
GLA14:30Glasgow Intl
11 Nov
GLA15:20Glasgow Intl
38h 03m
2 stops
PDX21:23Portland
£939
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momondo Fare Finder

 
Customise your flight search to find flights from Portland to United Kingdom 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 October 2025.
Use the filters below to find and compare flights from Portland to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandManchester

PDX - MAN

PDXMAN

Portland

Mon 6/4

15:45-11:40

1 stop11h 55m

Manchester

Sun 12/4

13:05-18:00

1 stop12h 55m

£392

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Mon 17/11

14:45-19:40

2 stops20h 55m

Glasgow Intl

Wed 26/11

07:45-17:00

2 stops17h 15m

£393

PortlandEdinburgh

PDX - EDI

PDXEDI

Portland

Sun 1/3

17:45-17:00

1 stop15h 15m

Edinburgh Turnhouse

Tue 10/3

08:15-23:59

2 stops22h 44m

£417

PortlandLondon

PDX - LHR

PDXLHR

Portland

Wed 14/1

06:00-07:05

1 stop17h 05m

London Heathrow

Thu 29/1

11:05-17:35

1 stop14h 30m

£431

PortlandLondon

PDX - LHR

PDXLHR

Portland

Wed 14/1

17:45-11:20

Nonstop9h 35m

London Heathrow

Wed 21/1

19:05-11:45

2 stops24h 40m

£434

PortlandLondon

PDX - LHR

PDXLHR

Portland

Wed 14/1

07:38-10:00

1 stop18h 22m

London Heathrow

Wed 21/1

18:45-11:45

2 stops25h 00m

£438

PortlandLondon

PDX - LHR

PDXLHR

Portland

Wed 14/1

17:45-11:20

Nonstop9h 35m

London Heathrow

Wed 21/1

13:45-15:55

Nonstop10h 10m

£444

PortlandLondon

PDX - LHR

PDXLHR

Portland

Wed 3/12

17:45-11:20

Nonstop9h 35m

London Heathrow

Wed 10/12

10:05-19:10

1 stop17h 05m

£445

PortlandLondon

PDX - LHR

PDXLHR

Portland

Wed 14/1

07:38-06:50

1 stop15h 12m

London Heathrow

Wed 21/1

13:45-15:55

Nonstop10h 10m

£451

PortlandLondon

PDX - LCY

PDXLCY

Portland

Wed 26/11

13:25-09:30

1 stop12h 05m

London City

Wed 3/12

10:00-20:40

2 stops18h 40m

£488

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to the United Kingdom from

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

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 United Kingdom?

The cheapest month to fly to United Kingdom from Portland is in October. Flight prices, which tend to average around £496, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of October, then departing from Portland during the month November is also very affordable. Most momondo users find prices during this month for around £499.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from Portland to United Kingdom is on a Friday. Travellers who choose to depart for United Kingdom on a Friday will often find tickets for as low as £465. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Portland to United Kingdom for around £562.

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

The cheapest time of day to fly to United Kingdom is in the evening when flights can be purchased for as low as £521. Try not to purchase tickets at midday because they tend to be around £701. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Portland to United Kingdom flight route?

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

How far in advance should I book a flight to United Kingdom?

You are more likely to see cheaper flights to United Kingdom from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £634 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Portland for as low as £557 on momondo.

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

There are 3 cabin classes available to choose from on Portland to United Kingdom 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 Portland to United Kingdom flights?

You could potentially save up to 16% on your flight if you consider stops on a Portland to United Kingdom flight.

Cheap Portland to United Kingdom flight deals and tips

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

Best price found

£3,220

Fastest flight time

9h 30m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in United Kingdom

1 airport
The best one-way flight to United Kingdom from Portland in the past 72 hours is £3,220. The best return flight deal from Portland to United Kingdom found on momondo in the last 72 hours is £1,381.
The fastest flight from Portland to United Kingdom takes 9h 30m
Direct flights go from Portland to United Kingdom on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights..
There is 1 airport near United Kingdom: London Heathrow (LHR)
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  • When did momondo last update prices for flights from Portland Airport to United Kingdom?

    Prices for flights from Portland Airport to United Kingdom are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to United Kingdom.

  • What documentation or ID do you need to fly to United Kingdom?

    The travel and health documents you'll need for your trip to United Kingdom may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United Kingdom. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Portland to United Kingdom

Compare and see reviews for airlines that fly from Portland to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £389Free CancellationRating
6.7
7,487 reviews
Search British Airways flights
IcelandairPriceFrom £446Free CancellationRating
7.1
562 reviews
Search Icelandair flights
IberiaPriceFrom £461Free CancellationRating
7.0
3,001 reviews
Search Iberia flights
Virgin AtlanticPriceFrom £499Free CancellationRating
7.5
670 reviews
Search Virgin Atlantic flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to United Kingdom . Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Portland to United Kingdom on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Portland to United Kingdom.

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

Of course. momondo tracks the price of Portland to United Kingdom flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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