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

JetBlue, Delta, and WestJet are the most popular carriers operating from United Kingdom to Portland

How long does it take to fly to Portland, Maine?

The flight from United Kingdom to Portland, Maine depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Edinburgh (a popular airport in United Kingdom) to Boston (the most popular airport in Portland, Maine), then the flight time is 7h 10m on average. If you fly from London (another popular airport in United Kingdom) to Boston, then the average flight time is 7h 46m.

What airlines fly to Portland, Maine?

British Airways, Delta and Aer Lingus are the top three most popular airlines that fly to Portland, Maine from United Kingdom according to our data. British Airways is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Portland, Maine. Keep in mind that there are 14 different airlines that fly to Portland, Maine on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from United Kingdom to Portland Airport?

Prices for flights from United Kingdom to Portland Airport were last updated today.

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

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 United Kingdom to Portland Airport.

What documentation or ID do you need to fly to Portland Airport?

The travel and health documents you'll need for your trip to Portland Airport 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 Portland Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$619 Cheap Flights from the United Kingdom to Portland in 2025/26

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Find the cheapest flights from the United Kingdom to Portland

Round-trip

One-way

Recent round-trip flight deals from the United Kingdom to Portland

11:40 am - 10:32 pmLHR-PWM

15h 52m2 stops

4:14 pm - 7:50 amPWM-LHR

10h 36m1 stop

$636American Airlines

Find Deal

Sat, Feb 28 - Tue, Mar 3

8:15 am - 11:04 pmLHR-PWM

19h 49m1 stop

7:09 am - 9:30 amPWM-LHR

21h 21m1 stop

$641JetBlue

Find Deal

Tue, Oct 14 - Tue, Oct 21

6:30 am - 10:19 pmLHR-PWM

19h 49m2 stops

2:30 pm - 6:55 amPWM-LHR

11h 25m1 stop

$647Delta

Find Deal

Wed, Oct 29 - Mon, Nov 10

11:40 am - 11:44 pmLHR-PWM

17h 04m2 stops

4:14 pm - 7:50 amPWM-LHR

10h 36m1 stop

$651American Airlines

Find Deal

Sat, Feb 28 - Tue, Mar 3

12:50 pm - 11:17 pmLHR-PWM

14h 27m1 stop

6:00 am - 11:05 amPWM-LHR

24h 05m1 stop

$657United Airlines

Find Deal

Sat, Nov 1 - Sat, Nov 8

8:15 am - 11:04 pmLHR-PWM

19h 49m1 stop

7:09 am - 9:30 amPWM-LHR

21h 21m1 stop

$661JetBlue

Find Deal

Tue, Oct 14 - Tue, Oct 21

11:20 am - 10:19 pmLHR-PWM

15h 59m1 stop

12:45 pm - 8:55 amPWM-LHR

15h 10m1 stop

$665Delta

Find Deal

Mon, Oct 6 - Mon, Oct 20

8:55 am - 10:19 pmLHR-PWM

17h 24m2 stops

1:27 pm - 9:20 amPWM-LHR

14h 53m2 stops

$705Virgin Atlantic

Find Deal

Sat, Nov 1 - Sat, Nov 8

6:35 am - 11:59 pmLHR-PWM

21h 24m2 stops

3:00 pm - 8:25 amPWM-LHR

12h 25m1 stop

$746United Airlines

Find Deal

Fri, Oct 31 - Fri, Nov 7

10:55 am - 10:19 pmLHR-PWM

16h 24m2 stops

6:00 am - 6:25 amPWM-LHR

19h 25m2 stops

$789Virgin Atlantic

Find Deal

Tue, Oct 14 - Tue, Oct 21

American Airlines flights from United Kingdom to Portland, Maine

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

American Airlines

Feb 28

LHR11:40 amLondon Heathrow

15h 52m

2 stops

PWM10:32 pmPortland

Mar 3

PWM4:14 pmPortland

10h 36m

1 stop

LHR7:50 amLondon Heathrow

$636

Find similar

American Airlines

Feb 28

LHR11:40 amLondon Heathrow

17h 04m

2 stops

PWM11:44 pmPortland

Mar 3

PWM4:14 pmPortland

10h 36m

1 stop

LHR7:50 amLondon Heathrow

$651

Find similar

American Airlines

Feb 28

LHR11:40 amLondon Heathrow

17h 04m

2 stops

PWM11:44 pmPortland

Mar 3

PWM2:29 pmPortland

14h 11m

2 stops

LHR9:40 amLondon Heathrow

$652

Find similar

Delta flights from United Kingdom to Portland, Maine

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

Delta

Oct 29

LHR6:30 amLondon Heathrow

19h 49m

2 stops

PWM10:19 pmPortland

Nov 10

PWM2:30 pmPortland

11h 25m

1 stop

LHR6:55 amLondon Heathrow

$647

Find similar

Delta

Oct 6

LHR11:20 amLondon Heathrow

15h 59m

1 stop

PWM10:19 pmPortland

Oct 20

PWM12:45 pmPortland

15h 10m

1 stop

LHR8:55 amLondon Heathrow

$665

Find similar

Delta

Oct 6

LHR6:15 amLondon Heathrow

14h 48m

2 stops

PWM4:03 pmPortland

Oct 20

PWM2:38 pmPortland

13h 22m

2 stops

LHR9:00 amLondon Heathrow

$673

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Sat 2/28

11:40 am-10:32 pm

2 stops15h 52m

Portland

Tue 3/3

4:14 pm-7:50 am

1 stop10h 36m

$636

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Tue 10/14

8:15 am-11:04 pm

1 stop19h 49m

Portland

Tue 10/21

7:09 am-9:30 am

1 stop21h 21m

$641

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Wed 10/29

6:30 am-10:19 pm

2 stops19h 49m

Portland

Mon 11/10

2:30 pm-6:55 am

1 stop11h 25m

$647

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Sat 2/28

11:40 am-11:44 pm

2 stops17h 04m

Portland

Tue 3/3

4:14 pm-7:50 am

1 stop10h 36m

$651

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Sat 11/1

12:50 pm-11:17 pm

1 stop14h 27m

Portland

Sat 11/8

6:00 am-11:05 am

1 stop24h 05m

$657

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Tue 10/14

8:15 am-11:04 pm

1 stop19h 49m

Portland

Tue 10/21

7:09 am-9:30 am

1 stop21h 21m

$661

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Mon 10/6

11:20 am-10:19 pm

1 stop15h 59m

Portland

Mon 10/20

12:45 pm-8:55 am

1 stop15h 10m

$665

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Sat 11/1

8:55 am-10:19 pm

2 stops17h 24m

Portland

Sat 11/8

1:27 pm-9:20 am

2 stops14h 53m

$705

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Fri 10/31

6:35 am-11:59 pm

2 stops21h 24m

Portland

Fri 11/7

3:00 pm-8:25 am

1 stop12h 25m

$746

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Tue 10/14

10:55 am-10:19 pm

2 stops16h 24m

Portland

Tue 10/21

6:00 am-6:25 am

2 stops19h 25m

$789

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Other information

What is the cheapest month to fly to Portland, Maine?

The cheapest month to fly to Portland, Maine from United Kingdom is in February. Flight prices, which tend to average around $726, are often lower during this time because this is during the off-season. If you aren’t able to travel to Portland, Maine during the month of February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $743.

What is the cheapest time of day to depart on your flight to Portland, Maine?

In the morning is the cheapest time of day to fly from United Kingdom to Portland, Maine when you can find flight prices for as low as $1,150. Flying to Portland, Maine in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around $1,296. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheap United Kingdom to Portland, Maine flight deals and tips

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

Direct flights	None

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

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When did momondo last update prices for flights from United Kingdom to Portland Airport?
Prices for flights from United Kingdom to Portland Airport were last updated today.
How old do you have to be to fly from United Kingdom to Portland Airport?
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 United Kingdom to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The travel and health documents you'll need for your trip to Portland Airport 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 Portland Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

North Conway

Boothbay Harbor

Jackson

Conway

Freeport

Lewiston

Bartlett

Gorham

Brunswick

Auburn

Intervale

Windham

Bath

Oxford

Georgetown

Tamworth

Falmouth

Why use momondo?

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

Finding the right flight to Portland from United Kingdom is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Portland quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for United Kingdom to Portland flights to just show those with flexible booking policies.

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

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 United Kingdom to Portland.

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

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