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Cheap flights from London Heathrow Airport to Portland from £544

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from London Heathrow Airport to Portland

Cheap return flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
06:40 - 00:21LHR  London Heathrow-PWM Portland
22h 41m2 stops Kastrup Copenhagen New York John F Kennedy Intl
Scandinavian Airlines Logo
06:00 - 17:40PWM  Portland-LHR London Heathrow
30h 40m2 stops New York John F Kennedy Intl Kastrup Copenhagen
£740Scandinavian Airlines
Wed, 2 Dec - Sun, 6 Dec
United Airlines Logo
09:00 - 23:24LHR  London Heathrow-PWM Portland
19h 24m2 stops Zurich Newark
United Airlines Logo
19:55 - 20:35PWM  Portland-LHR London Heathrow
19h 40m1 stop Newark
£759United Airlines
Wed, 2 Dec - Sun, 6 Dec
United Airlines Logo
12:05 - 23:24LHR  London Heathrow-PWM Portland
16h 19m2 stops Zurich Newark
United Airlines Logo
09:12 - 21:20PWM  Portland-LHR London Heathrow
31h 08m1 stop Newark
£762United Airlines
Wed, 2 Dec - Sun, 6 Dec
United Airlines Logo
12:05 - 23:24LHR  London Heathrow-PWM Portland
16h 19m2 stops Zurich Newark
United Airlines Logo
09:12 - 21:20PWM  Portland-LHR London Heathrow
31h 08m1 stop Newark
£763United Airlines
Wed, 2 Dec - Sun, 6 Dec
United Airlines Logo
12:05 - 23:24LHR  London Heathrow-PWM Portland
16h 19m2 stops Zurich Newark
United Airlines Logo
07:00 - 07:10PWM  Portland-LHR London Heathrow
43h 10m2 stops Newark Montreal Pierre Elliott Trudeau Intl
£764United Airlines
Wed, 2 Dec - Sun, 6 Dec
United Airlines Logo
12:05 - 23:24LHR  London Heathrow-PWM Portland
16h 19m2 stops Zurich Newark
United Airlines Logo
07:00 - 07:10PWM  Portland-LHR London Heathrow
43h 10m2 stops Newark Montreal Pierre Elliott Trudeau Intl
£765United Airlines
Wed, 2 Dec - Sun, 6 Dec
Finnair Logo
07:30 - 22:49LHR  London Heathrow-PWM Portland
20h 19m2 stops Madrid Barajas Philadelphia
Finnair Logo
18:03 - 09:05PWM  Portland-LHR London Heathrow
34h 02m2 stops Philadelphia Montreal Pierre Elliott Trudeau Intl
£771Finnair
Mon, 15 Feb - Sat, 27 Feb
KLM Logo
10:00 - 23:49LHR  London Heathrow-PWM Portland
18h 49m2 stops Amsterdam Schiphol New York John F Kennedy Intl
KLM Logo
12:50 - 07:45PWM  Portland-LHR London Heathrow
13h 55m1 stop Detroit Metropolitan Wayne County
£776KLM
Mon, 15 Feb - Sat, 27 Feb
Multiple Airlines Logo
10:35 - 17:19LHR  London Heathrow-PWM Portland
11h 44m1 stop Philadelphia
Multiple Airlines Logo
06:00 - 06:25PWM  Portland-LHR London Heathrow
19h 25m1 stop Atlanta Hartsfield-Jackson
£785Multiple Airlines
Mon, 15 Feb - Sat, 27 Feb
United Airlines Logo
12:05 - 09:00LHR  London Heathrow-PWM Portland
25h 55m2 stops Zurich Newark
United Airlines Logo
06:00 - 06:40PWM  Portland-LHR London Heathrow
19h 40m2 stops Newark Washington, D.C. Dulles Intl
£787United Airlines
Thu, 26 Nov - Thu, 3 Dec

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Scandinavian Airlines flights from London Heathrow Airport to Portland, Maine

Our best Scandinavian Airlines deals on London Heathrow Airport to Portland, Maine flight tickets
Scandinavian Airlines
2 Dec
LHR06:40London Heathrow
22h 41m
2 stops
PWM00:21Portland
6 Dec
PWM06:00Portland
30h 40m
2 stops
LHR17:40London Heathrow
£740
Scandinavian Airlines
15 Feb
LHR06:40London Heathrow
22h 09m
2 stops
PWM23:49Portland
27 Feb
PWM14:35Portland
23h 15m
3 stops
LHR18:50London Heathrow
£1,059
Scandinavian Airlines
22 Apr
LHR07:05London Heathrow
21h 44m
2 stops
PWM23:49Portland
30 Apr
PWM06:30Portland
21h 50m
3 stops
LHR09:20London Heathrow
£1,187

United Airlines flights from London Heathrow Airport to Portland, Maine

Our best United Airlines deals on London Heathrow Airport to Portland, Maine flight tickets
United Airlines
2 Dec
LHR09:00London Heathrow
19h 24m
2 stops
PWM23:24Portland
6 Dec
PWM19:55Portland
19h 40m
1 stop
LHR20:35London Heathrow
£759
United Airlines
2 Dec
LHR12:05London Heathrow
16h 19m
2 stops
PWM23:24Portland
6 Dec
PWM09:12Portland
31h 08m
1 stop
LHR21:20London Heathrow
£762
United Airlines
2 Dec
LHR12:05London Heathrow
16h 19m
2 stops
PWM23:24Portland
6 Dec
PWM09:12Portland
31h 08m
1 stop
LHR21:20London Heathrow
£763

momondo Fare Finder

 
Use the filters below to find and compare flights from London Heathrow Airport to Portland, Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Wed 2/12

06:40-00:21

2 stops22h 41m

Portland

Sun 6/12

06:00-17:40

2 stops30h 40m

£740

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Wed 2/12

09:00-23:24

2 stops19h 24m

Portland

Sun 6/12

19:55-20:35

1 stop19h 40m

£759

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Wed 2/12

12:05-23:24

2 stops16h 19m

Portland

Sun 6/12

09:12-21:20

1 stop31h 08m

£762

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Wed 2/12

12:05-23:24

2 stops16h 19m

Portland

Sun 6/12

09:12-21:20

1 stop31h 08m

£763

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Wed 2/12

12:05-23:24

2 stops16h 19m

Portland

Sun 6/12

07:00-07:10

2 stops43h 10m

£764

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Wed 2/12

12:05-23:24

2 stops16h 19m

Portland

Sun 6/12

07:00-07:10

2 stops43h 10m

£765

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Mon 15/2

07:30-22:49

2 stops20h 19m

Portland

Sat 27/2

18:03-09:05

2 stops34h 02m

£771

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Mon 15/2

10:00-23:49

2 stops18h 49m

Portland

Sat 27/2

12:50-07:45

1 stop13h 55m

£776
Fastest return journey

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Mon 15/2

10:35-17:19

1 stop11h 44m

Portland

Sat 27/2

06:00-06:25

1 stop19h 25m

£785

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Thu 26/11

12:05-09:00

2 stops25h 55m

Portland

Thu 3/12

06:00-06:40

2 stops19h 40m

£787

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
1
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See travel insights to Portland from

How to get the cheapest flight ticket from London Heathrow Airport 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

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

The cheapest month to fly to Portland, Maine from London Heathrow Airport is in November. Flight prices, which tend to average around £0, are often lower during this time because this is during the off-season. The month of April is another great option to travel to Portland, Maine, with average flight prices from London Heathrow Airport averaging around £544.

Can stopping save me money on London Heathrow Airport to Portland, Maine flights?

You could potentially save up to 18% on your flight if you consider stops on a London Heathrow Airport to Portland, Maine flight.

When to book flights from London Heathrow Airport to Portland, Maine

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Portland, Maine according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Heathrow Airport to Portland, Maine (LHR to PWM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Portland, Maine

Best price found

£544

Fastest flight time

16h 19m

Direct flights

None
The best one-way flight to Portland, Maine from London Heathrow Airport in the past 72 hours is £544. The best return flight deal from London Heathrow Airport to Portland, Maine found on momondo in the last 72 hours is £740.
The fastest flight from London Heathrow Airport to Portland, Maine takes 16h 19m
There are no direct flights from London Heathrow Airport to Portland, Maine. There are no popular flight routes from London Heathrow Airport to Portland, Maine.
Search flight deals

Frequently asked questions about flying from London Heathrow Airport to Portland, Maine

  • How far is London Heathrow to Portland by plane?

    A flight from London Heathrow to Portland will travel around 3170.3 mi. Flights usually cover this in 16h 19m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from London Heathrow Airport to Portland Airport?

    Prices for flights from London Heathrow Airport to Portland Airport are updated daily.

  • How old do you have to be to fly from London Heathrow Airport to Portland Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Portland Airport.

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

    The travel and health documents required for your trip to Portland Airport 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 Portland Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Bath

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Portland from London.

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

All flight searches from London to Portland on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London 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 London to Portland.

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

Price alerts on flights to Portland from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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