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Flights to Portland

£343 Cheap flights to Portland, Maine

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Portland, Maine departing on 29/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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
08:15 - 00:25
LHR
-
PWM
21h 10m
1 stop
JetBlue Logo
06:00 - 09:30
PWM
-
LHR
22h 30m
1 stop
£540JetBlue
Thu, 3 Sep - Thu, 10 Sep
JetBlue Logo
11:55 - 23:52
LHR
-
PWM
16h 57m
1 stop
JetBlue Logo
06:00 - 20:45
PWM
-
LHR
9h 45m
1 stop
£551JetBlue
Wed, 9 Sep - Sun, 13 Sep
JetBlue Logo
11:55 - 23:52
LHR
-
PWM
16h 57m
1 stop
JetBlue Logo
06:00 - 20:45
PWM
-
LHR
9h 45m
1 stop
£569JetBlue
Wed, 9 Sep - Sun, 13 Sep
Scandinavian Airlines Logo
19:10 - 23:49
EDI
-
PWM
33h 39m
2 stops
Scandinavian Airlines Logo
14:35 - 18:25
PWM
-
EDI
22h 50m
2 stops
£595Scandinavian Airlines
Thu, 12 Nov - Mon, 16 Nov
Scandinavian Airlines Logo
19:10 - 23:49
EDI
-
PWM
33h 39m
2 stops
Scandinavian Airlines Logo
14:35 - 18:25
PWM
-
EDI
22h 50m
2 stops
£596Scandinavian Airlines
Thu, 12 Nov - Mon, 16 Nov
Multiple Airlines Logo
12:20 - 23:43
LHR
-
PWM
16h 23m
1 stop
Multiple Airlines Logo
06:00 - 06:30
PWM
-
LHR
19h 30m
2 stops
£630Multiple Airlines
Thu, 12 Nov - Sun, 15 Nov
Multiple Airlines Logo
12:10 - 23:52
EDI
-
PWM
16h 42m
1 stop
Multiple Airlines Logo
14:35 - 16:05
PWM
-
EDI
21h 30m
2 stops
£737Multiple Airlines
Wed, 30 Sep - Fri, 30 Oct
United Airlines Logo
06:05 - 23:32
MAN
-
PWM
22h 27m
2 stops
United Airlines Logo
10:50 - 10:25
PWM
-
MAN
18h 35m
2 stops
£795United Airlines
Mon, 7 Sep - Mon, 21 Sep
United Airlines Logo
09:25 - 16:09
EDI
-
PWM
11h 44m
1 stop
United Airlines Logo
17:08 - 07:55
PWM
-
EDI
33h 47m
2 stops
£804United Airlines
Thu, 12 Nov - Mon, 16 Nov
KLM Logo
14:55 - 00:59
MAN
-
PWM
15h 04m
1 stop
KLM Logo
16:20 - 16:45
PWM
-
MAN
19h 25m
2 stops
£846KLM
Mon, 7 Sep - Mon, 21 Sep

momondo Fare Finder

 
Locate flights to Portland that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 279,928 searches and data was last updated on 13 July 2026.
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 - PWM

LHRPWM

London Heathrow

Thu 3/9

08:15-00:25

1 stop21h 10m

Portland

Thu 10/9

06:00-09:30

1 stop22h 30m

£540
Fastest return journey

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Wed 9/9

11:55-23:52

1 stop16h 57m

Portland

Sun 13/9

06:00-20:45

1 stop9h 45m

£551

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Wed 9/9

11:55-23:52

1 stop16h 57m

Portland

Sun 13/9

06:00-20:45

1 stop9h 45m

£569

EdinburghPortland

EDI - PWM

EDIPWM

Edinburgh Turnhouse

Thu 12/11

19:10-23:49

2 stops33h 39m

Portland

Mon 16/11

14:35-18:25

2 stops22h 50m

£595

EdinburghPortland

EDI - PWM

EDIPWM

Edinburgh Turnhouse

Thu 12/11

19:10-23:49

2 stops33h 39m

Portland

Mon 16/11

14:35-18:25

2 stops22h 50m

£596

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Thu 12/11

12:20-23:43

1 stop16h 23m

Portland

Sun 15/11

06:00-06:30

2 stops19h 30m

£630

EdinburghPortland

EDI - PWM

EDIPWM

Edinburgh Turnhouse

Wed 30/9

12:10-23:52

1 stop16h 42m

Portland

Fri 30/10

14:35-16:05

2 stops21h 30m

£737

ManchesterPortland

MAN - PWM

MANPWM

Manchester

Mon 7/9

06:05-23:32

2 stops22h 27m

Portland

Mon 21/9

10:50-10:25

2 stops18h 35m

£795

EdinburghPortland

EDI - PWM

EDIPWM

Edinburgh Turnhouse

Thu 12/11

09:25-16:09

1 stop11h 44m

Portland

Mon 16/11

17:08-07:55

2 stops33h 47m

£804

ManchesterPortland

MAN - PWM

MANPWM

Manchester

Mon 7/9

14:55-00:59

1 stop15h 04m

Portland

Mon 21/9

16:20-16:45

2 stops19h 25m

£846

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 £495, 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 United Kingdom averaging around £572.

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 AIRPORTMay14% cheaperFlying from London Heathrow Airport to Portland, Maine costs on average just £534 in May
MOST EXPENSIVE MONTH TO FLY TO PORTLAND, MAINE FROM LONDON HEATHROW AIRPORTAugust58% more expensiveIt costs about £976 for flights to Portland, Maine from London Heathrow Airport in August
MOST POPULAR MONTH TO FLY TO PORTLAND, MAINE FROM LONDON HEATHROW AIRPORTSeptember300% more users visitedMore momondo users searched in flights to Portland, Maine from London Heathrow Airport in September 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

£343

Best Round-Trip Price

£540

Fastest flight time

17h 06m
The best one-way flight price to Portland from United Kingdom in the last 5 days is £343 (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 17h 06m (Edinburgh Turnhouse 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 £104/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 £77/person, which is 59% 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 3 as of July 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

Popular routes according to searches in the past day on momondo
London to Portland Flightsfrom £737
Manchester to Portland Flightsfrom £1,063
Edinburgh Turnhouse to Portland Flightsfrom £796
Newcastle upon Tyne to Portland Flightsfrom £1,446