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Flights to Portland

£404 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

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Scandinavian Airlines Logo
07:05 - 00:10LHR  London Heathrow-PWM Portland
22h 05m2 stops Oslo Gardermoen New York John F Kennedy Intl
Scandinavian Airlines Logo
06:04 - 09:35PWM  Portland-LHR London Heathrow
22h 31m2 stops New York John F Kennedy Intl Oslo Gardermoen
£540Scandinavian Airlines
Thu, 15 Oct - Wed, 21 Oct
Scandinavian Airlines Logo
20:25 - 23:56MAN  Manchester-PWM Portland
32h 31m2 stops Oslo Gardermoen New York John F Kennedy Intl
Scandinavian Airlines Logo
06:02 - 12:05PWM  Portland-MAN Manchester
25h 03m2 stops New York John F Kennedy Intl Oslo Gardermoen
£553Scandinavian Airlines
Mon, 21 Sep - Tue, 29 Sep
Scandinavian Airlines Logo
07:05 - 00:10LHR  London Heathrow-PWM Portland
22h 05m2 stops Oslo Gardermoen New York John F Kennedy Intl
Scandinavian Airlines Logo
06:04 - 16:00PWM  Portland-LHR London Heathrow
28h 56m3 stops New York John F Kennedy Intl Boston Logan Intl Kastrup Copenhagen
£587Scandinavian Airlines
Thu, 15 Oct - Wed, 21 Oct
JetBlue Logo
08:15 - 23:54LHR  London Heathrow-PWM Portland
20h 39m1 stop New York John F Kennedy Intl
JetBlue Logo
06:00 - 20:45PWM  Portland-LHR London Heathrow
9h 45m1 stop New York John F Kennedy Intl
£625JetBlue
Wed, 16 Sep - Wed, 23 Sep
JetBlue Logo
11:55 - 23:54LHR  London Heathrow-PWM Portland
16h 59m1 stop New York John F Kennedy Intl
JetBlue Logo
06:00 - 09:30PWM  Portland-LHR London Heathrow
22h 30m1 stop New York John F Kennedy Intl
£633JetBlue
Sat, 12 Sep - Sun, 20 Sep
JetBlue Logo
11:55 - 23:54LHR  London Heathrow-PWM Portland
16h 59m1 stop New York John F Kennedy Intl
JetBlue Logo
06:00 - 20:45PWM  Portland-LHR London Heathrow
9h 45m1 stop New York John F Kennedy Intl
£633JetBlue
Fri, 11 Sep - Sun, 20 Sep
JetBlue Logo
08:15 - 23:54LHR  London Heathrow-PWM Portland
20h 39m1 stop New York John F Kennedy Intl
JetBlue Logo
06:00 - 20:45PWM  Portland-LHR London Heathrow
9h 45m1 stop New York John F Kennedy Intl
£636JetBlue
Fri, 2 Oct - Fri, 9 Oct
JetBlue Logo
08:15 - 23:54LHR  London Heathrow-PWM Portland
20h 39m1 stop New York John F Kennedy Intl
JetBlue Logo
06:00 - 20:45PWM  Portland-LHR London Heathrow
9h 45m1 stop New York John F Kennedy Intl
£650JetBlue
Sat, 12 Sep - Sat, 19 Sep
Multiple Airlines Logo
08:00 - 23:54LHR  London Heathrow-PWM Portland
20h 54m2 stops Lisbon Humberto Delgado New York John F Kennedy Intl
Multiple Airlines Logo
06:00 - 17:45PWM  Portland-LHR London Heathrow
30h 45m2 stops New York John F Kennedy Intl Lisbon Humberto Delgado
£664Multiple Airlines
Fri, 11 Sep - Sun, 20 Sep
JetBlue Logo
08:15 - 23:52LHR  London Heathrow-PWM Portland
20h 37m1 stop New York John F Kennedy Intl
JetBlue Logo
06:00 - 20:45PWM  Portland-LHR London Heathrow
9h 45m1 stop New York John F Kennedy Intl
£664JetBlue
Thu, 15 Oct - Mon, 19 Oct

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

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Thu 15/10

07:05-00:10

2 stops22h 05m

Portland

Wed 21/10

06:04-09:35

2 stops22h 31m

£540

ManchesterPortland

MAN Manchester - PWM Portland

MANPWM

Manchester

Mon 21/9

20:25-23:56

2 stops32h 31m

Portland

Tue 29/9

06:02-12:05

2 stops25h 03m

£553

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Thu 15/10

07:05-00:10

2 stops22h 05m

Portland

Wed 21/10

06:04-16:00

3 stops28h 56m

£587

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Wed 16/9

08:15-23:54

1 stop20h 39m

Portland

Wed 23/9

06:00-20:45

1 stop9h 45m

£625

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Sat 12/9

11:55-23:54

1 stop16h 59m

Portland

Sun 20/9

06:00-09:30

1 stop22h 30m

£633
Fastest return journey

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Fri 11/9

11:55-23:54

1 stop16h 59m

Portland

Sun 20/9

06:00-20:45

1 stop9h 45m

£633

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Fri 2/10

08:15-23:54

1 stop20h 39m

Portland

Fri 9/10

06:00-20:45

1 stop9h 45m

£636

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Sat 12/9

08:15-23:54

1 stop20h 39m

Portland

Sat 19/9

06:00-20:45

1 stop9h 45m

£650

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Fri 11/9

08:00-23:54

2 stops20h 54m

Portland

Sun 20/9

06:00-17:45

2 stops30h 45m

£664

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Thu 15/10

08:15-23:52

1 stop20h 37m

Portland

Mon 19/10

06:00-20:45

1 stop9h 45m

£664

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 December. Flight prices, which tend to average around £466, are often lower during this time because this is during the off-season. The month of February is another great option to travel to Portland, Maine, with average flight prices from United Kingdom averaging around £488.

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 AIRPORTApril16% cheaperFlying from London Heathrow Airport to Portland, Maine costs on average just £537 in April
MOST EXPENSIVE MONTH TO FLY TO PORTLAND, MAINE FROM LONDON HEATHROW AIRPORTAugust51% more expensiveIt costs about £962 for flights to Portland, Maine from London Heathrow Airport in August
MOST POPULAR MONTH TO FLY TO PORTLAND, MAINE FROM LONDON HEATHROW AIRPORTMarch100% more users visitedMore momondo users searched in flights to Portland, Maine from London Heathrow Airport in March 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

£370

Best Round-Trip Price

£540

Fastest flight time

20h 39m
The best one-way flight price to Portland from United Kingdom in the last 5 days is £370 (Edinburgh Turnhouse to Portland).
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The best return flight price to Portland from United Kingdom in the last 5 days is £540 (London Heathrow to Portland).
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The fastest flight to Portland from United Kingdom takes 20h 39m (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 £103/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 £84/person, which is 57% 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 August 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
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 £733
Manchester to Portland Flightsfrom £1,115
Edinburgh Turnhouse to Portland Flightsfrom £1,046
Newcastle upon Tyne to Portland Flightsfrom £1,048