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Flights to Portland

£524 Cheap flights to Portland, Maine

1 adult
1 adult, Economy, 0 bags

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

Cheap return flights

Enter your travel dates to find the best prices.
JetBlue Logo
12:20 - 23:43LHR  London Heathrow-PWM Portland
16h 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
£569JetBlue
Wed, 11 Nov - Wed, 18 Nov
JetBlue Logo
12:20 - 23:43LHR  London Heathrow-PWM Portland
16h 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
£570JetBlue
Thu, 12 Nov - Thu, 19 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 - 09:20PWM  Portland-LHR London Heathrow
13h 45m2 stops New York John F Kennedy Intl Kastrup Copenhagen
£579Scandinavian Airlines
Mon, 1 Mar - Sun, 7 Mar
JetBlue Logo
07:25 - 23:43LHR  London Heathrow-PWM Portland
21h 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
£589JetBlue
Tue, 10 Nov - Tue, 17 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
£592Scandinavian Airlines
Mon, 1 Mar - Sun, 7 Mar
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
£596Scandinavian 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
£597Scandinavian 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
£598Scandinavian Airlines
Thu, 3 Dec - Sun, 6 Dec
JetBlue Logo
11:55 - 23:54LHR  London Heathrow-PWM Portland
16h 59m1 stop New York John F Kennedy Intl
JetBlue Logo
06:30 - 21:40PWM  Portland-LHR London Heathrow
11h 10m1 stop New York John F Kennedy Intl
£603JetBlue
Tue, 20 Oct - Wed, 28 Oct
Multiple Airlines Logo
12:20 - 23:43LHR  London Heathrow-PWM Portland
15h 23m1 stop New York John F Kennedy Intl
Multiple Airlines Logo
12:42 - 07:45PWM  Portland-LHR London Heathrow
14h 03m1 stop Detroit Metropolitan Wayne County
£634Multiple Airlines
Sat, 31 Oct - Wed, 4 Nov

momondo Fare Finder

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

Fly from

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Wed 11/11

12:20-23:43

1 stop16h 23m

Portland

Wed 18/11

06:30-21:40

1 stop10h 10m

£569

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Thu 12/11

12:20-23:43

1 stop16h 23m

Portland

Thu 19/11

06:30-21:40

1 stop10h 10m

£570

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Mon 1/3

06:40-23:49

2 stops22h 09m

Portland

Sun 7/3

14:35-09:20

2 stops13h 45m

£579

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Tue 10/11

07:25-23:43

1 stop21h 18m

Portland

Tue 17/11

06:30-21:40

1 stop10h 10m

£589

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Mon 1/3

06:40-23:49

2 stops22h 09m

Portland

Sun 7/3

14:35-16:25

3 stops20h 50m

£592

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

£596

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

£597

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

£598

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Tue 20/10

11:55-23:54

1 stop16h 59m

Portland

Wed 28/10

06:30-21:40

1 stop11h 10m

£603

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Sat 31/10

12:20-23:43

1 stop15h 23m

Portland

Wed 4/11

12:42-07:45

1 stop14h 03m

£634

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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Portland, Maine flights insights and trends

Explore insights for your Portland, Maine flight to craft the best travel plan

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 £499, are often lower during this time because this is during the off-season. The month of January is another great option to travel to Portland, Maine, with average flight prices from United Kingdom averaging around £606.

Cheapest flights to Portland

Find the cheapest flights to Portland from your nearest city or airport
Find flights from London Heathrow Airport to Portland, Maine
CHEAPEST MONTH TO FLY TO PORTLAND, MAINE FROM LONDON HEATHROW AIRPORTApril24% cheaperFlying from London Heathrow Airport to Portland, Maine costs on average just £550 in April
MOST EXPENSIVE MONTH TO FLY TO PORTLAND, MAINE FROM LONDON HEATHROW AIRPORTSeptember120% more expensiveIt costs about £1,586 for flights to Portland, Maine from London Heathrow Airport in September
MOST POPULAR MONTH TO FLY TO PORTLAND, MAINE FROM LONDON HEATHROW AIRPORTAugust100% more users visitedMore momondo users searched in flights to Portland, Maine from London Heathrow Airport in August than any other month

Cheap Portland, Maine flight deals and tips

Summary info about Portland, Maine flight prices, duration and airlines

Best One-Way Price

£524

Best Round-Trip Price

£569

Fastest flight time

20h 14m
The best one-way flight price to Portland from United Kingdom in the last 5 days is £524 (London Heathrow to Portland).
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The best return flight price to Portland from United Kingdom in the last 5 days is £569 (London Heathrow to Portland).
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The fastest flight to Portland from United Kingdom takes 20h 14m (London Heathrow to Portland).
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Frequently asked questions about flying to Portland, Maine

Is there an alternative airport near Portland, Maine?

Those flying to Portland, Maine could potentially find better pricing at Portland Airport (3 mi from Portland, Maine city centre), Portsmouth Pease Intl Airport (49 mi from Portland, Maine city centre), Augusta Airport (51 mi from Portland, Maine city centre), Rockland Knox County Regional Airport (64 mi from Portland, Maine city centre) or Manchester Airport (78 mi from Portland, Maine city centre) depending on the month and departure airport.

Is there a cheaper alternative to flying into Portland, Maine?

The cheapest airport near Portland, Maine is typically Rockland Knox County Regional Airport, with an average price of £105/person. These prices vary based on where travellers are coming from. It is suggested that travellers looking to save money try momondo’s Airport-to-Airport Pricing Tool.

What is the absolute cheapest flight to Portland, Maine?

In the past two weeks, users have booked deals to Portland, Maine for £96/person, which is 48% cheaper than the average flight to Portland, Maine. To find the cheapest price to Portland, Maine from your area, use momondo’s Airport-to-Airport Pricing Tool.

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

Prices for flights to Portland Airport refresh daily.

How many operators does momondo search for flights to Portland Airport?

The number of operators available for flights to Portland Airport is 1 as of September 2026.

How old do you have to be to fly to Portland Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel 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, Maine?

Book flights to Portland, Maine 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 to Portland?

Finding the right flight to Portland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. These options 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 to Portland with flexible booking policies on momondo?

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

How can momondo help me find flights 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 to Portland.

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

Price alerts on flights to Portland 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.

An easier way to manage your Portland trip

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Find better results for your trip to Portland, Maine

Popular Flights to Portland, Maine

London to Portland Flightsfrom £756
Edinburgh Turnhouse to Portland Flightsfrom £1,269
Manchester to Portland Flightsfrom £1,054
Newcastle upon Tyne to Portland Flightsfrom £1,228