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Cheap flights from the United Kingdom to Portland from £484

This is the cheapest return 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 2/2. 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

Recent return flight deals from the United Kingdom to Portland

Enter your travel dates to find the best prices.
Finnair Logo
06:05 - 15:31
LHR
-
PWM
38h 26m2 stops
Finnair Logo
15:58 - 08:30
PWM
-
LHR
35h 32m2 stops
£484Finnair
Mon, 2 Feb - Mon, 9 Feb
Finnair Logo
10:15 - 18:11
LHR
-
PWM
12h 56m1 stop
Finnair Logo
18:38 - 08:30
PWM
-
LHR
32h 52m2 stops
£501Finnair
Wed, 25 Feb - Wed, 4 Mar
Finnair Logo
10:15 - 18:11
LHR
-
PWM
12h 56m1 stop
Finnair Logo
17:40 - 10:25
PWM
-
LHR
11h 45m1 stop
£518Finnair
Wed, 25 Feb - Wed, 4 Mar
Iberia Logo
10:05 - 22:07
LHR
-
PWM
17h 02m2 stops
Iberia Logo
12:40 - 07:50
PWM
-
LHR
14h 10m1 stop
£521Iberia
Mon, 2 Feb - Mon, 9 Feb
KLM Logo
11:45 - 00:20
LHR
-
PWM
17h 35m2 stops
KLM Logo
14:35 - 08:05
PWM
-
LHR
12h 30m1 stop
£527KLM
Mon, 2 Feb - Mon, 9 Feb
Virgin Atlantic Logo
10:45 - 22:27
LHR
-
PWM
16h 42m1 stop
Virgin Atlantic Logo
05:30 - 06:25
PWM
-
LHR
19h 55m1 stop
£532Virgin Atlantic
Mon, 2 Feb - Mon, 9 Feb
Virgin Atlantic Logo
10:45 - 22:27
LHR
-
PWM
16h 42m1 stop
Virgin Atlantic Logo
05:30 - 20:10
PWM
-
LHR
57h 40m2 stops
£533Virgin Atlantic
Mon, 2 Feb - Sat, 7 Feb
Virgin Atlantic Logo
06:30 - 22:27
LHR
-
PWM
20h 57m2 stops
Virgin Atlantic Logo
05:30 - 09:00
PWM
-
LHR
22h 30m1 stop
£533Virgin Atlantic
Mon, 26 Jan - Mon, 2 Feb
United Airlines Logo
12:30 - 15:16
EDI
-
PWM
31h 46m2 stops
United Airlines Logo
09:30 - 10:35
PWM
-
EDI
20h 05m2 stops
£725United Airlines
Tue, 21 Apr - Sat, 25 Apr
United Airlines Logo
12:30 - 18:58
EDI
-
PWM
11h 28m1 stop
United Airlines Logo
19:33 - 10:35
PWM
-
EDI
10h 02m1 stop
£727United Airlines
Tue, 21 Apr - Sat, 25 Apr

Delta flights from United Kingdom to Portland, Maine

Our best Delta deals on United Kingdom to Portland, Maine flight tickets
Delta
31 Jan
MAN13:30Manchester
27h 33m
2 stops
PWM12:03Portland
8 Feb
PWM06:00Portland
23h 10m
2 stops
MAN10:10Manchester
£688
Delta
31 Jan
MAN13:30Manchester
13h 57m
1 stop
PWM22:27Portland
8 Feb
PWM14:35Portland
11h 05m
1 stop
MAN06:40Manchester
£691
Delta
6 Feb
MAN13:25Manchester
14h 02m
1 stop
PWM22:27Portland
13 Feb
PWM06:30Portland
19h 10m
1 stop
MAN06:40Manchester
£694

United Airlines flights from United Kingdom to Portland, Maine

Our best United Airlines deals on United Kingdom to Portland, Maine flight tickets
United Airlines
5 Feb
LHR12:05London Heathrow
16h 25m
2 stops
PWM23:30Portland
9 Feb
PWM06:00Portland
10h 20m
1 stop
LHR21:20London Heathrow
£585
United Airlines
5 Feb
LHR15:10London Heathrow
13h 20m
1 stop
PWM23:30Portland
9 Feb
PWM16:10Portland
14h 05m
1 stop
LHR11:15London Heathrow
£613
United Airlines
5 Feb
LHR06:30London Heathrow
17h 20m
2 stops
PWM18:50Portland
9 Feb
PWM19:27Portland
10h 38m
1 stop
LHR11:05London Heathrow
£664

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 8 January 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

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Mon 2/2

06:05-15:31

2 stops38h 26m

Portland

Mon 9/2

15:58-08:30

2 stops35h 32m

£484

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Wed 25/2

10:15-18:11

1 stop12h 56m

Portland

Wed 4/3

18:38-08:30

2 stops32h 52m

£501

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Wed 25/2

10:15-18:11

1 stop12h 56m

Portland

Wed 4/3

17:40-10:25

1 stop11h 45m

£518

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Mon 2/2

10:05-22:07

2 stops17h 02m

Portland

Mon 9/2

12:40-07:50

1 stop14h 10m

£521

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Mon 2/2

11:45-00:20

2 stops17h 35m

Portland

Mon 9/2

14:35-08:05

1 stop12h 30m

£527

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Mon 2/2

10:45-22:27

1 stop16h 42m

Portland

Mon 9/2

05:30-06:25

1 stop19h 55m

£532

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Mon 2/2

10:45-22:27

1 stop16h 42m

Portland

Sat 7/2

05:30-20:10

2 stops57h 40m

£533

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Mon 26/1

06:30-22:27

2 stops20h 57m

Portland

Mon 2/2

05:30-09:00

1 stop22h 30m

£533

EdinburghPortland

EDI - PWM

EDIPWM

Edinburgh Turnhouse

Tue 21/4

12:30-15:16

2 stops31h 46m

Portland

Sat 25/4

09:30-10:35

2 stops20h 05m

£725

EdinburghPortland

EDI - PWM

EDIPWM

Edinburgh Turnhouse

Tue 21/4

12:30-18:58

1 stop11h 28m

Portland

Sat 25/4

19:33-10:35

1 stop10h 02m

£727

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 £516, 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 £537.

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

13h 56m

Direct flights

None
The fastest flight from United Kingdom to Portland, Maine takes 13h 56m
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
JetBluePriceFrom £143Free CancellationRating
7.2
2,892 reviews
Search JetBlue flights
Virgin AtlanticPriceFrom £469Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
FinnairPriceFrom £471Free CancellationRating
7.6
1,346 reviews
Search Finnair flights
IcelandairPriceFrom £489Free CancellationRating
7.1
593 reviews
Search Icelandair flights
KLMPriceFrom £499Free CancellationRating
7.7
1,434 reviews
Search KLM flights
LufthansaPriceFrom £512Free CancellationRating
6.8
7,698 reviews
Search Lufthansa flights
United AirlinesPriceFrom £555Free CancellationRating
7.4
9,144 reviews
Search United Airlines flights
Aer LingusPriceFrom £617Free CancellationRating
7.2
1,429 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