Which airlines fly to United Kingdom?

British Airways, Virgin Atlantic and Aer Lingus are the top three most popular airlines that fly to United Kingdom from Portland, Maine according to our data. British Airways is the first choice among our users, with 45% of people opting to fly with this airline when travelling to United Kingdom. Keep in mind that there are 9 different airlines that fly to United Kingdom on a routine basis, so you have a few additional options to choose from.

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

JetBlue, Air Canada, and Delta 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 refresh daily.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 required for your trip to United Kingdom can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United Kingdom. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£216 Cheap Flights from Portland to the United Kingdom in 2025

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Find the cheapest flights from Portland, Maine to the United Kingdom

Round-trip

One-way

Last minute

Cheap return flights

07:09 - 09:15PWM-EDI

21h 06m1 stop

11:30 - 23:04EDI-PWM

16h 34m1 stop

£480JetBlue

Find Deal

Tue, 14 Oct - Tue, 21 Oct

06:50 - 09:35PWM-LHR

21h 45m2 stops

07:05 - 00:05LHR-PWM

22h 00m2 stops

£506Scandinavian Airlines

Find Deal

Fri, 17 Oct - Fri, 24 Oct

14:38 - 07:35PWM-MAN

11h 57m1 stop

14:15 - 00:05MAN-PWM

14h 50m1 stop

£514Delta

Find Deal

Tue, 14 Oct - Tue, 21 Oct

19:25 - 10:35PWM-EDI

10h 10m1 stop

09:00 - 14:33EDI-PWM

34h 33m2 stops

£515United Airlines

Find Deal

Tue, 14 Oct - Tue, 21 Oct

14:38 - 07:35PWM-MAN

11h 57m1 stop

14:15 - 12:00MAN-PWM

26h 45m2 stops

£518Delta

Find Deal

Tue, 14 Oct - Tue, 21 Oct

06:00 - 07:10PWM-LHR

20h 10m2 stops

13:25 - 18:50LHR-PWM

34h 25m2 stops

£539Air Canada

Find Deal

Tue, 2 Dec - Tue, 13 Jan

06:00 - 20:35PWM-LHR

9h 35m1 stop

12:05 - 23:30LHR-PWM

16h 25m2 stops

£542United Airlines

Find Deal

Tue, 2 Dec - Tue, 13 Jan

16:15 - 10:05PWM-EDI

12h 50m2 stops

07:00 - 20:18EDI-PWM

18h 18m2 stops

£542

Find Deal

Tue, 14 Oct - Tue, 21 Oct

06:00 - 07:10PWM-LHR

20h 10m2 stops

13:25 - 23:17LHR-PWM

38h 52m2 stops

£613Air Canada

Find Deal

Fri, 7 Nov - Sun, 9 Nov

09:59 - 12:30PWM-LCY

21h 31m2 stops

08:45 - 23:59LCY-PWM

20h 14m2 stops

£617

Find Deal

Thu, 16 Oct - Thu, 23 Oct

Scandinavian Airlines flights from Portland, Maine to United Kingdom

Our best Scandinavian Airlines deals on Portland, Maine to United Kingdom flight tickets

Scandinavian Airlines

17 Oct

PWM06:50Portland

21h 45m

2 stops

LHR09:35London Heathrow

24 Oct

LHR07:05London Heathrow

22h 00m

2 stops

PWM00:05Portland

£506

Find similar

Scandinavian Airlines

17 Oct

PWM06:50Portland

25h 05m

3 stops

LHR12:55London Heathrow

24 Oct

LHR07:05London Heathrow

22h 00m

2 stops

PWM00:05Portland

£528

Find similar

Scandinavian Airlines

2 Dec

PWM14:35Portland

19h 00m

3 stops

LHR14:35London Heathrow

13 Jan

LHR06:40London Heathrow

22h 09m

2 stops

PWM23:49Portland

£738

Find similar

Air Canada flights from Portland, Maine to United Kingdom

Our best Air Canada deals on Portland, Maine to United Kingdom flight tickets

Air Canada

2 Dec

PWM06:00Portland

20h 10m

2 stops

LHR07:10London Heathrow

13 Jan

LHR13:25London Heathrow

34h 25m

2 stops

PWM18:50Portland

£539

Find similar

Air Canada

7 Nov

PWM06:00Portland

20h 10m

2 stops

LHR07:10London Heathrow

9 Nov

LHR13:25London Heathrow

38h 52m

2 stops

PWM23:17Portland

£613

Find similar

Air Canada

25 Nov

PWM06:00Portland

20h 10m

2 stops

LHR07:10London Heathrow

30 Nov

LHR09:00London Heathrow

43h 17m

2 stops

PWM23:17Portland

£614

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Portland, Maine to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandEdinburgh

PWM - EDI

PWMEDI

Portland

Tue 14/10

07:09-09:15

1 stop21h 06m

Edinburgh Turnhouse

Tue 21/10

11:30-23:04

1 stop16h 34m

£480

PortlandLondon

PWM - LHR

PWMLHR

Portland

Fri 17/10

06:50-09:35

2 stops21h 45m

London Heathrow

Fri 24/10

07:05-00:05

2 stops22h 00m

£506

PortlandManchester

PWM - MAN

PWMMAN

Portland

Tue 14/10

14:38-07:35

1 stop11h 57m

Manchester

Tue 21/10

14:15-00:05

1 stop14h 50m

£514

PortlandEdinburgh

PWM - EDI

PWMEDI

Portland

Tue 14/10

19:25-10:35

1 stop10h 10m

Edinburgh Turnhouse

Tue 21/10

09:00-14:33

2 stops34h 33m

£515

PortlandManchester

PWM - MAN

PWMMAN

Portland

Tue 14/10

14:38-07:35

1 stop11h 57m

Manchester

Tue 21/10

14:15-12:00

2 stops26h 45m

£518

PortlandLondon

PWM - LHR

PWMLHR

Portland

Tue 2/12

06:00-07:10

2 stops20h 10m

London Heathrow

Tue 13/1

13:25-18:50

2 stops34h 25m

£539

PortlandLondon

PWM - LHR

PWMLHR

Portland

Tue 2/12

06:00-20:35

1 stop9h 35m

London Heathrow

Tue 13/1

12:05-23:30

2 stops16h 25m

£542

PortlandEdinburgh

PWM - EDI

PWMEDI

Portland

Tue 14/10

16:15-10:05

2 stops12h 50m

Edinburgh Turnhouse

Tue 21/10

07:00-20:18

2 stops18h 18m

£542

PortlandLondon

PWM - LHR

PWMLHR

Portland

Fri 7/11

06:00-07:10

2 stops20h 10m

London Heathrow

Sun 9/11

13:25-23:17

2 stops38h 52m

£613

PortlandLondon

PWM - LCY

PWMLCY

Portland

Thu 16/10

09:59-12:30

2 stops21h 31m

London City

Thu 23/10

08:45-23:59

2 stops20h 14m

£617

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, Maine 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, Maine is in October. Flight prices, which tend to average around £501, 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, Maine during the month November is also very affordable. Most momondo users find prices during this month for around £540.

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 at midday when flights can be purchased for as low as £523. Try not to purchase tickets in the morning because they tend to be around £553. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheap Portland, Maine to United Kingdom flight deals and tips

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

Direct flights	None

There are no direct flights from Portland, Maine to United Kingdom. There are no popular flight routes from Portland, Maine to United Kingdom.

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 refresh daily.
How old do you have to be to fly from Portland Airport to United Kingdom?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 required for your trip to United Kingdom can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United Kingdom. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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?

Yes. All flights to United Kingdom from Portland on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Portland to United Kingdom flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to United Kingdom, momondo offers a useful price alert feature which will track prices for flights to United Kingdom from Portland and alert you when they change.