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Cheap flights from the United Kingdom to Portland from £337

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to Portland departing on 9/6. 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

Recent return flight deals from the United Kingdom to Portland

Enter your travel dates to find the best prices.
JetBlue Logo
08:15 - 22:59
LHR
-
PWM
19h 44m
1 stop
JetBlue Logo
07:30 - 20:45
PWM
-
LHR
32h 15m
1 stop
£489JetBlue
Mon, 20 Apr - Mon, 27 Apr
JetBlue Logo
08:15 - 23:03
LHR
-
PWM
19h 48m
1 stop
JetBlue Logo
07:20 - 09:30
PWM
-
LHR
21h 10m
1 stop
£497JetBlue
Fri, 8 May - Fri, 15 May
JetBlue Logo
12:10 - 23:36
EDI
-
PWM
16h 26m
1 stop
JetBlue Logo
06:00 - 09:20
PWM
-
EDI
22h 20m
1 stop
£501JetBlue
Tue, 5 May - Tue, 12 May
JetBlue Logo
08:15 - 22:59
LHR
-
PWM
19h 44m
1 stop
JetBlue Logo
07:30 - 09:30
PWM
-
LHR
21h 00m
1 stop
£513JetBlue
Tue, 21 Apr - Tue, 28 Apr
United Airlines Logo
12:00 - 18:23
LHR
-
PWM
11h 23m
1 stop
United Airlines Logo
06:00 - 21:20
PWM
-
LHR
10h 20m
1 stop
£547United Airlines
Fri, 15 May - Sun, 17 May
Multiple Airlines Logo
13:05 - 23:03
MAN
-
PWM
38h 58m
2 stops
Multiple Airlines Logo
07:20 - 11:40
PWM
-
MAN
47h 20m
2 stops
£693Multiple Airlines
Fri, 8 May - Fri, 15 May
Multiple Airlines Logo
14:05 - 00:46
EDI
-
PWM
15h 41m
1 stop
Multiple Airlines Logo
14:38 - 10:40
PWM
-
EDI
15h 02m
2 stops
£734Multiple Airlines
Tue, 5 May - Tue, 12 May
United Airlines Logo
12:30 - 10:18
EDI
-
PWM
26h 48m
1 stop
United Airlines Logo
19:10 - 10:35
PWM
-
EDI
10h 25m
1 stop
£749United Airlines
Tue, 5 May - Tue, 12 May
KLM Logo
14:55 - 00:46
MAN
-
PWM
14h 51m
1 stop
KLM Logo
14:38 - 10:10
PWM
-
MAN
14h 32m
2 stops
£790KLM
Wed, 6 May - Wed, 13 May
Virgin Atlantic Logo
10:40 - 23:23
MAN
-
PWM
17h 43m
1 stop
Virgin Atlantic Logo
14:05 - 07:15
PWM
-
MAN
12h 10m
1 stop
£910Virgin Atlantic
Wed, 6 May - Wed, 13 May

JetBlue flights from United Kingdom to Portland, Maine

Our best JetBlue deals on United Kingdom to Portland, Maine flight tickets
JetBlue
20 Apr
LHR08:15London Heathrow
19h 44m
1 stop
PWM22:59Portland
27 Apr
PWM07:30Portland
32h 15m
1 stop
LHR20:45London Heathrow
£489
JetBlue
8 May
LHR08:15London Heathrow
19h 48m
1 stop
PWM23:03Portland
15 May
PWM07:20Portland
21h 10m
1 stop
LHR09:30London Heathrow
£497
JetBlue
5 May
EDI12:10Edinburgh Turnhouse
16h 26m
1 stop
PWM23:36Portland
12 May
PWM06:00Portland
22h 20m
1 stop
EDI09:20Edinburgh Turnhouse
£501

Scandinavian Airlines flights from United Kingdom to Portland, Maine

Our best Scandinavian Airlines deals on United Kingdom to Portland, Maine flight tickets
Scandinavian Airlines
17 Apr
LHR07:05London Heathrow
22h 41m
2 stops
PWM00:46Portland
24 Apr
PWM14:51Portland
20h 09m
2 stops
LHR16:00London Heathrow
£660
Scandinavian Airlines
8 May
LHR19:50London Heathrow
33h 53m
2 stops
PWM00:43Portland
15 May
PWM14:38Portland
37h 42m
2 stops
LHR09:20London Heathrow
£665
Scandinavian Airlines
17 Apr
LHR07:05London Heathrow
22h 41m
2 stops
PWM00:46Portland
24 Apr
PWM14:51Portland
22h 39m
3 stops
LHR18:30London Heathrow
£666

momondo Fare Finder

 
Customise your flight search to find flights from United Kingdom to Portland, Maine that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 25 March 2026.
Use the filters below to find and compare flights from the United Kingdom to Portland, Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Mon 20/4

08:15-22:59

1 stop19h 44m

Portland

Mon 27/4

07:30-20:45

1 stop32h 15m

£489

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Fri 8/5

08:15-23:03

1 stop19h 48m

Portland

Fri 15/5

07:20-09:30

1 stop21h 10m

£497

EdinburghPortland

EDI - PWM

EDIPWM

Edinburgh Turnhouse

Tue 5/5

12:10-23:36

1 stop16h 26m

Portland

Tue 12/5

06:00-09:20

1 stop22h 20m

£501

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Tue 21/4

08:15-22:59

1 stop19h 44m

Portland

Tue 28/4

07:30-09:30

1 stop21h 00m

£513
Fastest return journey

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Fri 15/5

12:00-18:23

1 stop11h 23m

Portland

Sun 17/5

06:00-21:20

1 stop10h 20m

£547

ManchesterPortland

MAN - PWM

MANPWM

Manchester

Fri 8/5

13:05-23:03

2 stops38h 58m

Portland

Fri 15/5

07:20-11:40

2 stops47h 20m

£693

EdinburghPortland

EDI - PWM

EDIPWM

Edinburgh Turnhouse

Tue 5/5

14:05-00:46

1 stop15h 41m

Portland

Tue 12/5

14:38-10:40

2 stops15h 02m

£734

EdinburghPortland

EDI - PWM

EDIPWM

Edinburgh Turnhouse

Tue 5/5

12:30-10:18

1 stop26h 48m

Portland

Tue 12/5

19:10-10:35

1 stop10h 25m

£749

ManchesterPortland

MAN - PWM

MANPWM

Manchester

Wed 6/5

14:55-00:46

1 stop14h 51m

Portland

Wed 13/5

14:38-10:10

2 stops14h 32m

£790

ManchesterPortland

MAN - PWM

MANPWM

Manchester

Wed 6/5

10:40-23:23

1 stop17h 43m

Portland

Wed 13/5

14:05-07:15

1 stop12h 10m

£910

Flights are sorted by cheapest return flights first.

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

See travel insights to Portland from

How to get the cheapest flight ticket from United Kingdom 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 United Kingdom is in October. Flight prices, which tend to average around £518, 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 £519.

Can stopping save me money on United Kingdom to Portland, Maine flights?

You could potentially save up to 24% on your flight if you consider stops on a United Kingdom to Portland, Maine flight.

Cheap United Kingdom to Portland, Maine flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United Kingdom to Portland, Maine

Fastest flight time

14h 39m

Direct flights

None
The fastest flight from United Kingdom to Portland, Maine takes 14h 39m
There are no direct flights from United Kingdom to Portland, Maine. There are no popular flight routes from United Kingdom to Portland, Maine.
Search flight deals

  • When did momondo last update prices for flights from United Kingdom to Portland Airport?

    Prices for flights from United Kingdom to Portland Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from United Kingdom to Portland Airport?

  • How old do you have to be to fly from United Kingdom 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 United Kingdom to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The travel and health documents you'll need for your trip to Portland Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portland Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from United Kingdom to Portland, Maine

Compare and see reviews for airlines that fly from United Kingdom to Portland, Maine with momondo
Airline
Rating
Free Cancellation
Price
Virgin AtlanticPriceFrom £472Free CancellationRating
7.5
685 reviews
Search Virgin Atlantic flights
KLMPriceFrom £501Free CancellationRating
7.8
1,478 reviews
Search KLM flights
United AirlinesPriceFrom £544Free CancellationRating
7.4
9,478 reviews
Search United Airlines flights
Aer LingusPriceFrom £619Free CancellationRating
7.2
1,487 reviews
Search Aer Lingus flights

Travelling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Bath

Why use momondo?

Why should I use momondo to find a flight deal from United Kingdom 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 United Kingdom.

Can I find flights from United Kingdom to Portland with flexible booking policies on momondo?

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

How can momondo help me find flights from United Kingdom to Portland?

Once all potential United Kingdom to Portland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from United Kingdom to Portland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portland and let you know when they change.

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Airports servicing Maine

Bangor Airport