What is the cheapest airline that flies from Portland to United Kingdom?

Icelandair, British Airways, and American Airlines are the most popular carriers operating from Portland to 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?

As of March 2026, there are 2 operators available to choose from 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.

£201 Cheap Flights from Portland to the United Kingdom in 2026

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Find the cheapest flights from Portland to the United Kingdom

Round-trip

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

15:30 - 21:20

PDX

MAN

21h 50m

2 stops

08:40 - 09:30

MAN

PDX

32h 50m

3 stops

£510Multiple Airlines

Tue, 21 Apr - Wed, 6 May

15:30 - 20:10

PDX

LGW

20h 40m

2 stops

08:50 - 09:30

LGW

PDX

32h 40m

3 stops

£525Multiple Airlines

Mon, 27 Apr - Tue, 12 May

15:30 - 11:45

PDX

LGW

12h 15m

1 stop

15:40 - 18:00

LGW

PDX

34h 20m

1 stop

£535Icelandair

Mon, 27 Apr - Tue, 12 May

15:30 - 20:20

PDX

LHR

20h 50m

1 stop

21:25 - 18:00

LHR

PDX

28h 35m

1 stop

£536Icelandair

Mon, 27 Apr - Tue, 12 May

12:32 - 10:15

PDX

INV

37h 43m

2 stops

15:45 - 17:40

INV

PDX

33h 55m

1 stop

£603British Airways

Sat, 19 Sep - Mon, 28 Sep

19:30 - 21:35

PDX

INV

18h 05m

1 stop

15:45 - 17:40

INV

PDX

33h 55m

1 stop

£605British Airways

Sat, 19 Sep - Mon, 28 Sep

12:50 - 17:55

PDX

LCY

21h 05m

2 stops

09:15 - 00:02

LCY

PDX

22h 47m

2 stops

£638Lufthansa

Tue, 22 Sep - Thu, 1 Oct

12:50 - 17:55

PDX

LCY

21h 05m

2 stops

09:15 - 00:02

LCY

PDX

22h 47m

2 stops

£639Lufthansa

Tue, 22 Sep - Thu, 1 Oct

13:05 - 08:50

PDX

LCY

11h 45m

1 stop

17:10 - 11:10

LCY

PDX

26h 00m

1 stop

£650Virgin Atlantic

Tue, 21 Apr - Mon, 4 May

15:10 - 18:30

PDX

LCY

19h 20m

2 stops

20:15 - 11:10

LCY

PDX

22h 55m

1 stop

£654Virgin Atlantic

Mon, 11 May - Mon, 18 May

Icelandair flights from Portland to United Kingdom

Our best Icelandair deals on Portland to United Kingdom flight tickets

Icelandair

27 Apr

PDX15:30Portland

12h 15m

1 stop

LGW11:45London Gatwick

12 May

LGW15:40London Gatwick

34h 20m

1 stop

PDX18:00Portland

£535

Icelandair

27 Apr

PDX15:30Portland

20h 50m

1 stop

LHR20:20London Heathrow

12 May

LHR21:25London Heathrow

28h 35m

1 stop

PDX18:00Portland

£536

Icelandair

21 Apr

PDX15:30Portland

15h 10m

1 stop

LGW14:40London Gatwick

28 Apr

LGW15:40London Gatwick

34h 20m

1 stop

PDX18:00Portland

£537

Lufthansa flights from Portland to United Kingdom

Our best Lufthansa deals on Portland to United Kingdom flight tickets

Lufthansa

22 Sept

PDX12:50Portland

21h 05m

2 stops

LCY17:55London City

1 Oct

LCY09:15London City

22h 47m

2 stops

PDX00:02Portland

£638

Lufthansa

22 Sept

PDX12:50Portland

21h 05m

2 stops

LCY17:55London City

1 Oct

LCY09:15London City

22h 47m

2 stops

PDX00:02Portland

£639

Lufthansa

23 Aug

PDX08:29Portland

17h 56m

2 stops

MAN10:25Manchester

5 Sept

MAN10:35Manchester

22h 12m

2 stops

PDX00:47Portland

£652

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortlandManchester

PDX - MAN

PDXMAN

Portland

Tue 21/4

15:30-21:20

2 stops21h 50m

Manchester

Wed 6/5

08:40-09:30

3 stops32h 50m

£510

PortlandLondon

PDX - LGW

PDXLGW

Portland

Mon 27/4

15:30-20:10

2 stops20h 40m

London Gatwick

Tue 12/5

08:50-09:30

3 stops32h 40m

£525

PortlandLondon

PDX - LGW

PDXLGW

Portland

Mon 27/4

15:30-11:45

1 stop12h 15m

London Gatwick

Tue 12/5

15:40-18:00

1 stop34h 20m

£535

PortlandLondon

PDX - LHR

PDXLHR

Portland

Mon 27/4

15:30-20:20

1 stop20h 50m

London Heathrow

Tue 12/5

21:25-18:00

1 stop28h 35m

£536

PortlandInverness

PDX - INV

PDXINV

Portland

Sat 19/9

12:32-10:15

2 stops37h 43m

Inverness

Mon 28/9

15:45-17:40

1 stop33h 55m

£603

PortlandInverness

PDX - INV

PDXINV

Portland

Sat 19/9

19:30-21:35

1 stop18h 05m

Inverness

Mon 28/9

15:45-17:40

1 stop33h 55m

£605

PortlandLondon

PDX - LCY

PDXLCY

Portland

Tue 22/9

12:50-17:55

2 stops21h 05m

London City

Thu 1/10

09:15-00:02

2 stops22h 47m

£638

PortlandLondon

PDX - LCY

PDXLCY

Portland

Tue 22/9

12:50-17:55

2 stops21h 05m

London City

Thu 1/10

09:15-00:02

2 stops22h 47m

£639

Fastest return journey

PortlandLondon

PDX - LCY

PDXLCY

Portland

Tue 21/4

13:05-08:50

1 stop11h 45m

London City

Mon 4/5

17:10-11:10

1 stop26h 00m

£650

PortlandLondon

PDX - LCY

PDXLCY

Portland

Mon 11/5

15:10-18:30

2 stops19h 20m

London City

Mon 18/5

20:15-11:10

1 stop22h 55m

£654

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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 £486, 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 £496.

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 Wednesday. Travellers who choose to depart for United Kingdom on a Wednesday will often find tickets for as low as £495. 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 £816.

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 £545. Try not to purchase tickets in the afternoon because they tend to be around £632. 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 £631 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 £553 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 50% 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	£3,210
Fastest flight time	9h 30m
Direct flights	Every day
Airports in United Kingdom	1,286 airports

The best one-way flight to United Kingdom from Portland in the past 72 hours is £3,210. The best return flight deal from Portland to United Kingdom found on momondo in the last 72 hours is £998.

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

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?
As of March 2026, there are 2 operators available to choose from 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?
Based on momondo bookings for flights between Portland and United Kingdom, the leading plane model is Boeing 787-10 Dreamliner, making up 56.16% of the total bookings. Other popular models include Boeing 787-8 Dreamliner with 37.35%, Boeing 787-9 Dreamliner with 3.09%, and Boeing 787 Dreamliner with 0.97%.

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
Icelandair	PriceFrom £445	Free Cancellation	Rating 7.0 627 reviews		Search Icelandair flights
British Airways	PriceFrom £446	Free Cancellation	Rating 6.7 7,825 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.