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Cheap flights from London Heathrow Airport to Portland from £399

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.
JetBlue Logo
08:15 - 23:43LHR  London Heathrow-PWM Portland
20h 28m1 stop New York John F Kennedy Intl
JetBlue Logo
06:30 - 09:30PWM  Portland-LHR London Heathrow
22h 00m1 stop New York John F Kennedy Intl
£609JetBlue
Sun, 1 Nov - Sun, 8 Nov
JetBlue Logo
07:25 - 23:43LHR  London Heathrow-PWM Portland
20h 18m1 stop New York John F Kennedy Intl
JetBlue Logo
06:30 - 21:40PWM  Portland-LHR London Heathrow
10h 10m1 stop New York John F Kennedy Intl
£612JetBlue
Wed, 28 Oct - Wed, 4 Nov
Scandinavian Airlines Logo
06:40 - 23:49LHR  London Heathrow-PWM Portland
22h 09m2 stops Kastrup Copenhagen New York John F Kennedy Intl
Scandinavian Airlines Logo
14:35 - 16:25PWM  Portland-LHR London Heathrow
20h 50m3 stops New York John F Kennedy Intl Kastrup Copenhagen Oslo Gardermoen
£615Scandinavian Airlines
Tue, 2 Feb - Tue, 9 Feb
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 - 18:30PWM  Portland-LHR London Heathrow
31h 30m2 stops New York John F Kennedy Intl Kastrup Copenhagen
£622Scandinavian Airlines
Thu, 3 Dec - Sun, 6 Dec
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 - 18:30PWM  Portland-LHR London Heathrow
31h 30m2 stops New York John F Kennedy Intl Kastrup Copenhagen
£622Scandinavian Airlines
Thu, 3 Dec - Sun, 6 Dec
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 - 18:30PWM  Portland-LHR London Heathrow
31h 30m2 stops New York John F Kennedy Intl Kastrup Copenhagen
£624Scandinavian Airlines
Thu, 3 Dec - Sun, 6 Dec
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 - 18:30PWM  Portland-LHR London Heathrow
31h 30m2 stops New York John F Kennedy Intl Kastrup Copenhagen
£625Scandinavian Airlines
Thu, 3 Dec - Sun, 6 Dec
Scandinavian Airlines Logo
06:40 - 00:10LHR  London Heathrow-PWM Portland
21h 30m2 stops Kastrup Copenhagen New York John F Kennedy Intl
Scandinavian Airlines Logo
14:33 - 09:20PWM  Portland-LHR London Heathrow
13h 47m2 stops New York John F Kennedy Intl Kastrup Copenhagen
£628Scandinavian Airlines
Sat, 31 Oct - Sat, 7 Nov
JetBlue Logo
12:20 - 23:43LHR  London Heathrow-PWM Portland
15h 23m1 stop New York John F Kennedy Intl
JetBlue Logo
06:30 - 21:40PWM  Portland-LHR London Heathrow
10h 10m1 stop New York John F Kennedy Intl
£631JetBlue
Sat, 31 Oct - Sat, 7 Nov
Scandinavian Airlines Logo
06:40 - 00:10LHR  London Heathrow-PWM Portland
21h 30m2 stops Kastrup Copenhagen New York John F Kennedy Intl
Scandinavian Airlines Logo
14:33 - 18:50PWM  Portland-LHR London Heathrow
23h 17m3 stops New York John F Kennedy Intl Kastrup Copenhagen Oslo Gardermoen
£653Scandinavian Airlines
Sat, 31 Oct - Sat, 7 Nov

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JetBlue flights from London Heathrow Airport to Portland, Maine

Our best JetBlue deals on London Heathrow Airport to Portland, Maine flight tickets
JetBlue
28 Oct
LHR07:25London Heathrow
20h 18m
1 stop
PWM23:43Portland
4 Nov
PWM06:30Portland
10h 10m
1 stop
LHR21:40London Heathrow
£612
JetBlue
31 Oct
LHR12:20London Heathrow
15h 23m
1 stop
PWM23:43Portland
7 Nov
PWM06:30Portland
10h 10m
1 stop
LHR21:40London Heathrow
£631
JetBlue
12 Oct
LHR11:55London Heathrow
16h 59m
1 stop
PWM23:54Portland
19 Oct
PWM06:00Portland
9h 45m
1 stop
LHR20:45London Heathrow
£662

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
28 Oct
LHR09:30London Heathrow
17h 51m
2 stops
PWM23:21Portland
4 Nov
PWM14:05Portland
14h 05m
2 stops
LHR09:10London Heathrow
£732
United Airlines
2 Feb
LHR07:30London Heathrow
15h 43m
2 stops
PWM18:13Portland
9 Feb
PWM19:43Portland
19h 52m
1 stop
LHR20:35London Heathrow
£737
United Airlines
14 Oct
LHR07:25London Heathrow
16h 59m
2 stops
PWM19:24Portland
21 Oct
PWM10:43Portland
17h 37m
1 stop
LHR09:20London Heathrow
£743

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

Sun 1/11

08:15-23:43

1 stop20h 28m

Portland

Sun 8/11

06:30-09:30

1 stop22h 00m

£609

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Wed 28/10

07:25-23:43

1 stop20h 18m

Portland

Wed 4/11

06:30-21:40

1 stop10h 10m

£612

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Tue 2/2

06:40-23:49

2 stops22h 09m

Portland

Tue 9/2

14:35-16:25

3 stops20h 50m

£615

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Thu 3/12

06:40-00:21

2 stops22h 41m

Portland

Sun 6/12

06:00-18:30

2 stops31h 30m

£622

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Thu 3/12

06:40-00:21

2 stops22h 41m

Portland

Sun 6/12

06:00-18:30

2 stops31h 30m

£622

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Thu 3/12

06:40-00:21

2 stops22h 41m

Portland

Sun 6/12

06:00-18:30

2 stops31h 30m

£624

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Thu 3/12

06:40-00:21

2 stops22h 41m

Portland

Sun 6/12

06:00-18:30

2 stops31h 30m

£625

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Sat 31/10

06:40-00:10

2 stops21h 30m

Portland

Sat 7/11

14:33-09:20

2 stops13h 47m

£628
Fastest return journey

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Sat 31/10

12:20-23:43

1 stop15h 23m

Portland

Sat 7/11

06:30-21:40

1 stop10h 10m

£631

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Sat 31/10

06:40-00:10

2 stops21h 30m

Portland

Sat 7/11

14:33-18:50

3 stops23h 17m

£653

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 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 December. Flight prices, which tend to average around £0, are often lower during this time because this is during the off-season. The month of November is another great option to travel to Portland, Maine, with average flight prices from London Heathrow Airport averaging around £474.

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

£399

Fastest flight time

21h 30m

Direct flights

None
The best one-way flight to Portland, Maine from London Heathrow Airport in the past 72 hours is £399. The best return flight deal from London Heathrow Airport to Portland, Maine found on momondo in the last 72 hours is £609.
The fastest flight from London Heathrow Airport to Portland, Maine takes 21h 30m
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 21h 30m, 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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