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Cheap flights from Portland to the United Kingdom from £204

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 18/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
Icelandair Logo
15:45 - 13:25PDX-GLA
13h 40m1 stop
Icelandair Logo
14:20 - 18:00GLA-PDX
11h 40m1 stop
£375Icelandair
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Sa, 2 Mai - Fr, 8 Mai
British Airways Logo
17:45 - 16:35PDX-GLA
14h 50m1 stop
British Airways Logo
19:05 - 15:55GLA-PDX
28h 50m1 stop
£401British Airways
Find Deal
Mo, 12 Jan - Do, 22 Jan
British Airways Logo
17:45 - 14:15PDX-GLA
12h 30m1 stop
British Airways Logo
10:40 - 15:55GLA-PDX
13h 15m1 stop
£406British Airways
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Mi, 11 Feb - Fr, 20 Feb
British Airways Logo
17:45 - 14:15PDX-EDI
12h 30m1 stop
British Airways Logo
08:25 - 15:55EDI-PDX
15h 30m1 stop
£409British Airways
Find Deal
Mi, 11 Feb - Fr, 20 Feb
Air France Logo
07:00 - 08:45PDX-EDI
18h 45m1 stop
Air France Logo
10:45 - 22:10EDI-PDX
18h 25m1 stop
£426Air France
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Di, 10 Mrz - Mi, 18 Mrz
United Airlines Logo
23:59 - 09:30PDX-EDI
26h 31m2 stops
United Airlines Logo
11:30 - 20:40EDI-PDX
16h 10m1 stop
£429United Airlines
Find Deal
Mo, 9 Mrz - Mi, 18 Mrz
United Airlines Logo
07:00 - 10:15PDX-LHR
19h 15m1 stop
United Airlines Logo
14:30 - 09:15LHR-PDX
26h 45m1 stop
£447United Airlines
Find Deal
Mi, 7 Jan - Do, 15 Jan
Icelandair Logo
15:30 - 14:40PDX-LGW
15h 10m1 stop
Icelandair Logo
15:40 - 11:45LGW-PDX
28h 05m1 stop
£448Icelandair
Find Deal
Di, 5 Mai - Fr, 22 Mai
Virgin Atlantic Logo
13:25 - 17:20PDX-LCY
19h 55m1 stop
Virgin Atlantic Logo
07:45 - 17:35LCY-PDX
17h 50m2 stops
£490Virgin Atlantic
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Mi, 14 Jan - Mi, 21 Jan
Virgin Atlantic Logo
15:50 - 19:45PDX-LCY
19h 55m2 stops
Virgin Atlantic Logo
17:10 - 11:10LCY-PDX
26h 00m1 stop
£497Virgin Atlantic
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So, 19 Apr - Di, 28 Apr

Lufthansa flights from Portland to United Kingdom

Our best Lufthansa deals on Portland to United Kingdom flight tickets
Lufthansa
30 Dec
PDX12:54Portland
12h 46m
1 stop
LHR09:40London Heathrow
8 Feb
LHR06:30London Heathrow
24h 02m
2 stops
PDX22:32Portland
£450
Find similar
Lufthansa
12 Jan
PDX09:50Portland
18h 00m
1 stop
LHR11:50London Heathrow
24 Jan
LHR10:30London Heathrow
22h 09m
2 stops
PDX00:39Portland
£452
Find similar
Lufthansa
1 Apr
PDX15:15Portland
14h 05m
1 stop
LHR13:20London Heathrow
8 Apr
LHR14:10London Heathrow
12h 20m
1 stop
PDX18:30Portland
£453
Find similar

Scandinavian Airlines flights from Portland to United Kingdom

Our best Scandinavian Airlines deals on Portland to United Kingdom flight tickets
Scandinavian Airlines
2 Mar
PDX13:02Portland
21h 28m
2 stops
LHR18:30London Heathrow
8 Mar
LHR10:20London Heathrow
19h 03m
2 stops
PDX22:23Portland
£451
Find similar
Scandinavian Airlines
2 Mar
PDX13:02Portland
24h 38m
2 stops
LHR21:40London Heathrow
8 Mar
LHR06:40London Heathrow
22h 43m
3 stops
PDX21:23Portland
£454
Find similar
Scandinavian Airlines
2 Mar
PDX10:24Portland
27h 11m
3 stops
LHR21:35London Heathrow
18 Mar
LHR07:05London Heathrow
22h 18m
3 stops
PDX22:23Portland
£457
Find similar

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 4 Dezember 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

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Sa 2/5

15:45-13:25

1 stop13h 40m

Glasgow Intl

Fr 8/5

14:20-18:00

1 stop11h 40m

£375

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Mo 12/1

17:45-16:35

1 stop14h 50m

Glasgow Intl

Do 22/1

19:05-15:55

1 stop28h 50m

£401

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Mi 11/2

17:45-14:15

1 stop12h 30m

Glasgow Intl

Fr 20/2

10:40-15:55

1 stop13h 15m

£406

PortlandEdinburgh

PDX - EDI

PDXEDI

Portland

Mi 11/2

17:45-14:15

1 stop12h 30m

Edinburgh Turnhouse

Fr 20/2

08:25-15:55

1 stop15h 30m

£409

PortlandEdinburgh

PDX - EDI

PDXEDI

Portland

Di 10/3

07:00-08:45

1 stop18h 45m

Edinburgh Turnhouse

Mi 18/3

10:45-22:10

1 stop18h 25m

£426

PortlandEdinburgh

PDX - EDI

PDXEDI

Portland

Mo 9/3

23:59-09:30

2 stops26h 31m

Edinburgh Turnhouse

Mi 18/3

11:30-20:40

1 stop16h 10m

£429

PortlandLondon

PDX - LHR

PDXLHR

Portland

Mi 7/1

07:00-10:15

1 stop19h 15m

London Heathrow

Do 15/1

14:30-09:15

1 stop26h 45m

£447

PortlandLondon

PDX - LGW

PDXLGW

Portland

Di 5/5

15:30-14:40

1 stop15h 10m

London Gatwick

Fr 22/5

15:40-11:45

1 stop28h 05m

£448

PortlandLondon

PDX - LCY

PDXLCY

Portland

Mi 14/1

13:25-17:20

1 stop19h 55m

London City

Mi 21/1

07:45-17:35

2 stops17h 50m

£490

PortlandLondon

PDX - LCY

PDXLCY

Portland

So 19/4

15:50-19:45

2 stops19h 55m

London City

Di 28/4

17:10-11:10

1 stop26h 00m

£497

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 £485, 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 £497.

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 £463. 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 £560.

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 £697. 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 £628 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 £576 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 9% 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

£3,204

Fastest flight time

9h 30m

Direct flights

Every day

Airports in United Kingdom

1 airport
The best one-way flight to United Kingdom from Portland in the past 72 hours is £3,204. The best return flight deal from Portland to United Kingdom found on momondo in the last 72 hours is £1,375.
The fastest flight from Portland to United Kingdom takes 9h 30m
Direct flights go from Portland to United Kingdom every day.
There is 1 airport near United Kingdom: London Heathrow (LHR)
Search flight deals

  • 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 £387Free CancellationRating
6.7
7,559 reviews
Search British Airways flights
IcelandairPriceFrom £444Free CancellationRating
7.0
584 reviews
Search Icelandair flights
IberiaPriceFrom £458Free CancellationRating
7.0
3,039 reviews
Search Iberia 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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