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Cheap flights from Portland to the United Kingdom from £187

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 25/7. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Portland to the United Kingdom

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
15:30 - 15:25
PDX
-
GLA
15h 55m
2 stops
Multiple Airlines Logo
08:20 - 17:55
GLA
-
PDX
17h 35m
2 stops
£579Multiple Airlines
Sat, 19 Sep - Tue, 29 Sep
Multiple Airlines Logo
10:10 - 23:15
PDX
-
MAN
29h 05m
3 stops
Multiple Airlines Logo
07:55 - 13:50
MAN
-
PDX
37h 55m
3 stops
£583Multiple Airlines
Tue, 11 Aug - Wed, 26 Aug
Icelandair Logo
15:30 - 13:25
PDX
-
GLA
13h 55m
1 stop
Icelandair Logo
14:20 - 17:55
GLA
-
PDX
11h 35m
1 stop
£601Icelandair
Sat, 19 Sep - Wed, 30 Sep
Scandinavian Airlines Logo
12:36 - 18:25
PDX
-
EDI
21h 49m
2 stops
Scandinavian Airlines Logo
19:10 - 17:10
EDI
-
PDX
30h 00m
2 stops
£641Scandinavian Airlines
Tue, 15 Sep - Fri, 2 Oct
Scandinavian Airlines Logo
12:36 - 18:25
PDX
-
EDI
21h 49m
2 stops
Scandinavian Airlines Logo
19:10 - 17:10
EDI
-
PDX
30h 00m
2 stops
£642Scandinavian Airlines
Tue, 15 Sep - Fri, 2 Oct
Icelandair Logo
15:30 - 13:25
PDX
-
GLA
13h 55m
1 stop
Icelandair Logo
14:20 - 17:55
GLA
-
PDX
11h 35m
1 stop
£652Icelandair
Tue, 25 Aug - Wed, 2 Sep
British Airways Logo
17:45 - 14:35
PDX
-
GLA
12h 50m
1 stop
British Airways Logo
15:20 - 15:55
GLA
-
PDX
32h 35m
1 stop
£669British Airways
Sun, 8 Nov - Thu, 12 Nov
British Airways Logo
07:25 - 06:50
PDX
-
LHR
15h 25m
1 stop
British Airways Logo
07:50 - 17:26
LHR
-
PDX
41h 36m
2 stops
£694British Airways
Sun, 4 Oct - Tue, 6 Oct
Virgin Atlantic Logo
17:50 - 15:35
PDX
-
LHR
13h 45m
1 stop
Virgin Atlantic Logo
20:55 - 11:10
LHR
-
PDX
22h 15m
1 stop
£696Virgin Atlantic
Sun, 2 Aug - Tue, 18 Aug
Virgin Atlantic Logo
13:05 - 09:30
PDX
-
LCY
12h 25m
1 stop
Virgin Atlantic Logo
17:50 - 11:10
LCY
-
PDX
25h 20m
1 stop
£706Virgin Atlantic
Tue, 15 Sep - Mon, 21 Sep

Lufthansa flights from Portland to United Kingdom

Our best Lufthansa deals on Portland to United Kingdom flight tickets
Lufthansa
1 Sept
PDX10:10Portland
17h 40m
2 stops
LHR11:50London Heathrow
30 Sept
LHR06:30London Heathrow
20h 36m
2 stops
PDX19:06Portland
£708
Lufthansa
17 Aug
PDX10:10Portland
15h 50m
2 stops
LHR10:00London Heathrow
25 Aug
LHR09:30London Heathrow
17h 41m
2 stops
PDX19:11Portland
£711
Lufthansa
22 Jun
PDX07:00Portland
19h 40m
2 stops
MAN10:40Manchester
29 Jun
MAN06:00Manchester
21h 11m
2 stops
PDX19:11Portland
£1,048

British Airways flights from Portland to United Kingdom

Our best British Airways deals on Portland to United Kingdom flight tickets
British Airways
8 Nov
PDX17:45Portland
12h 50m
1 stop
GLA14:35Glasgow Intl
12 Nov
GLA15:20Glasgow Intl
32h 35m
1 stop
PDX15:55Portland
£669
British Airways
4 Oct
PDX07:25Portland
15h 25m
1 stop
LHR06:50London Heathrow
6 Oct
LHR07:50London Heathrow
41h 36m
2 stops
PDX17:26Portland
£694
British Airways
4 Oct
PDX19:30Portland
9h 30m
LHR13:00London Heathrow
6 Oct
LHR14:45London Heathrow
16h 14m
1 stop
PDX22:59Portland
£696

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 8 June 2026.
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

Cheapest return flight

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Sat 19/9

15:30-15:25

2 stops15h 55m

Glasgow Intl

Tue 29/9

08:20-17:55

2 stops17h 35m

£579

PortlandManchester

PDX - MAN

PDXMAN

Portland

Tue 11/8

10:10-23:15

3 stops29h 05m

Manchester

Wed 26/8

07:55-13:50

3 stops37h 55m

£583
Fastest return journey

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Sat 19/9

15:30-13:25

1 stop13h 55m

Glasgow Intl

Wed 30/9

14:20-17:55

1 stop11h 35m

£601

PortlandEdinburgh

PDX - EDI

PDXEDI

Portland

Tue 15/9

12:36-18:25

2 stops21h 49m

Edinburgh Turnhouse

Fri 2/10

19:10-17:10

2 stops30h 00m

£641

PortlandEdinburgh

PDX - EDI

PDXEDI

Portland

Tue 15/9

12:36-18:25

2 stops21h 49m

Edinburgh Turnhouse

Fri 2/10

19:10-17:10

2 stops30h 00m

£642

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Tue 25/8

15:30-13:25

1 stop13h 55m

Glasgow Intl

Wed 2/9

14:20-17:55

1 stop11h 35m

£652

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Sun 8/11

17:45-14:35

1 stop12h 50m

Glasgow Intl

Thu 12/11

15:20-15:55

1 stop32h 35m

£669

PortlandLondon

PDX - LHR

PDXLHR

Portland

Sun 4/10

07:25-06:50

1 stop15h 25m

London Heathrow

Tue 6/10

07:50-17:26

2 stops41h 36m

£694

PortlandLondon

PDX - LHR

PDXLHR

Portland

Sun 2/8

17:50-15:35

1 stop13h 45m

London Heathrow

Tue 18/8

20:55-11:10

1 stop22h 15m

£696

PortlandLondon

PDX - LCY

PDXLCY

Portland

Tue 15/9

13:05-09:30

1 stop12h 25m

London City

Mon 21/9

17:50-11:10

1 stop25h 20m

£706

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 April. Flight prices, which tend to average around £349, 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 April, then departing from Portland during the month March is also very affordable. Most momondo users find prices during this month for around £349.

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 Sunday. Travellers who choose to depart for United Kingdom on a Sunday will often find tickets for as low as £462. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Portland to United Kingdom for around £857.

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 afternoon when flights can be purchased for as low as £533. Try not to purchase tickets in the evening because they tend to be around £727. 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 from Portland to the 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 £658 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 £570 on momondo.

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

There are 2 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 30% 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

Fastest flight time

9h 30m

Direct flights

Every day

Airports in United Kingdom

1,286 airports
The fastest flight from Portland to United Kingdom takes 9h 30m
Direct flights go from Portland to United Kingdom every day.
There are 1,286 airports in United Kingdom. From Portland there are direct flights to London Heathrow (LHR).
Search flight deals

Frequently asked questions about flying from Portland to the United Kingdom

  • 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 £444Free CancellationRating
6.7
8,028 reviews
Search British Airways 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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Find better results for your trip to the United Kingdom

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