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Flights to Portland

£331 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 8/5. 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
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
11:55 - 23:03
LHR
-
PWM
16h 08m
1 stop
JetBlue Logo
06:00 - 20:45
PWM
-
LHR
9h 45m
1 stop
£487JetBlue
Thu, 14 May - Fri, 22 May
JetBlue Logo
11:55 - 23:52
LHR
-
PWM
16h 57m
1 stop
JetBlue Logo
06:00 - 20:45
PWM
-
LHR
9h 45m
1 stop
£537JetBlue
Tue, 29 Sep - Mon, 5 Oct
Multiple Airlines Logo
12:10 - 23:03
EDI
-
PWM
15h 53m
1 stop
Multiple Airlines Logo
14:38 - 16:10
PWM
-
EDI
20h 32m
2 stops
£706Multiple Airlines
Fri, 15 May - Fri, 22 May
Scandinavian Airlines Logo
09:35 - 00:43
MAN
-
PWM
20h 08m
2 stops
Scandinavian Airlines Logo
08:05 - 11:45
PWM
-
MAN
22h 40m
2 stops
£719Scandinavian Airlines
Sat, 30 May - Sat, 6 Jun
United Airlines Logo
11:30 - 23:30
EDI
-
PWM
17h 00m
2 stops
United Airlines Logo
19:22 - 08:25
PWM
-
EDI
32h 03m
2 stops
£766United Airlines
Wed, 30 Sep - Sun, 4 Oct
United Airlines Logo
11:30 - 21:27
EDI
-
PWM
14h 57m
1 stop
United Airlines Logo
16:48 - 08:25
PWM
-
EDI
34h 37m
1 stop
£767United Airlines
Wed, 30 Sep - Sun, 4 Oct
Scandinavian Airlines Logo
09:35 - 00:43
MAN
-
PWM
20h 08m
2 stops
Scandinavian Airlines Logo
06:25 - 12:05
PWM
-
MAN
24h 40m
2 stops
£817Scandinavian Airlines
Thu, 28 May - Thu, 4 Jun
Delta Logo
09:25 - 23:09
NCL
-
PWM
18h 44m
2 stops
Delta Logo
06:25 - 08:45
PWM
-
NCL
21h 20m
2 stops
£880Delta
Fri, 15 May - Fri, 22 May
Delta Logo
15:00 - 00:43
MAN
-
PWM
14h 43m
1 stop
Delta Logo
14:38 - 16:55
PWM
-
MAN
21h 17m
2 stops
£900Delta
Thu, 28 May - Thu, 4 Jun
Multiple Airlines Logo
20:55 - 12:21
MAN
-
PWM
44h 26m
2 stops
Multiple Airlines Logo
14:40 - 12:15
PWM
-
MAN
16h 35m
2 stops
£938Multiple Airlines
Sun, 5 Jul - Thu, 9 Jul

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 17 April 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
Fastest return journey

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Thu 14/5

11:55-23:03

1 stop16h 08m

Portland

Fri 22/5

06:00-20:45

1 stop9h 45m

£487

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Tue 29/9

11:55-23:52

1 stop16h 57m

Portland

Mon 5/10

06:00-20:45

1 stop9h 45m

£537

EdinburghPortland

EDI - PWM

EDIPWM

Edinburgh Turnhouse

Fri 15/5

12:10-23:03

1 stop15h 53m

Portland

Fri 22/5

14:38-16:10

2 stops20h 32m

£706

ManchesterPortland

MAN - PWM

MANPWM

Manchester

Sat 30/5

09:35-00:43

2 stops20h 08m

Portland

Sat 6/6

08:05-11:45

2 stops22h 40m

£719

EdinburghPortland

EDI - PWM

EDIPWM

Edinburgh Turnhouse

Wed 30/9

11:30-23:30

2 stops17h 00m

Portland

Sun 4/10

19:22-08:25

2 stops32h 03m

£766

EdinburghPortland

EDI - PWM

EDIPWM

Edinburgh Turnhouse

Wed 30/9

11:30-21:27

1 stop14h 57m

Portland

Sun 4/10

16:48-08:25

1 stop34h 37m

£767

ManchesterPortland

MAN - PWM

MANPWM

Manchester

Thu 28/5

09:35-00:43

2 stops20h 08m

Portland

Thu 4/6

06:25-12:05

2 stops24h 40m

£817

Newcastle upon TynePortland

NCL - PWM

NCLPWM

Newcastle upon Tyne

Fri 15/5

09:25-23:09

2 stops18h 44m

Portland

Fri 22/5

06:25-08:45

2 stops21h 20m

£880

ManchesterPortland

MAN - PWM

MANPWM

Manchester

Thu 28/5

15:00-00:43

1 stop14h 43m

Portland

Thu 4/6

14:38-16:55

2 stops21h 17m

£900

ManchesterPortland

MAN - PWM

MANPWM

Manchester

Sun 5/7

20:55-12:21

2 stops44h 26m

Portland

Thu 9/7

14:40-12:15

2 stops16h 35m

£938

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Portland, Maine from

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 October. Flight prices, which tend to average around £512, 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 £514.

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 AIRPORTFebruary27% cheaperFlying from London Heathrow Airport to Portland, Maine costs on average just £500 in February
MOST EXPENSIVE MONTH TO FLY TO PORTLAND, MAINE FROM LONDON HEATHROW AIRPORTDecember68% more expensiveIt costs about £1,153 for flights to Portland, Maine from London Heathrow Airport in December
MOST POPULAR MONTH TO FLY TO PORTLAND, MAINE FROM LONDON HEATHROW AIRPORTJune1,400% more users visitedMore momondo users searched in flights to Portland, Maine from London Heathrow Airport in June 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

£331

Best Round-Trip Price

£487

Fastest flight time

14h 48m

Popular in

July
The best one-way flight price to Portland from United Kingdom in the last 72 hours is £331 (Edinburgh Turnhouse to Portland).
Search Deals
The best round-trip flight price to Portland from United Kingdom in the last 72 hours is £487 (London Heathrow to Portland).
Search Deals
The fastest flight to Portland from United Kingdom takes 14h 48m (Manchester to Portland).
Search Deals
July has the highest demand for flights to Portland, with a 15% price increase on average.
Search Deals

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 £53/person, which is 70% 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 5 as of April 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 £771
Manchester to Portland Flightsfrom £974
Edinburgh Turnhouse to Portland Flightsfrom £843
Newcastle upon Tyne to Portland Flightsfrom £1,192