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Cheap flights from the United Kingdom to Portland from £374

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 23/8. 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.
JetBlue Logo
11:55 - 13:35
LHR
-
PWM
30h 40m
1 stop
JetBlue Logo
06:00 - 20:45
PWM
-
LHR
9h 45m
1 stop
£614JetBlue
Thu, 28 May - Thu, 4 Jun
JetBlue Logo
08:15 - 00:14
LHR
-
PWM
20h 59m
1 stop
JetBlue Logo
06:00 - 20:45
PWM
-
LHR
9h 45m
1 stop
£649JetBlue
Thu, 9 Jul - Thu, 16 Jul
Scandinavian Airlines Logo
09:35 - 00:43
MAN
-
PWM
20h 08m
2 stops
Scandinavian Airlines Logo
06:30 - 08:55
PWM
-
MAN
45h 25m
2 stops
£705Scandinavian Airlines
Fri, 5 Jun - Fri, 12 Jun
Multiple Airlines Logo
19:50 - 12:30
LHR
-
PWM
45h 40m
2 stops
Multiple Airlines Logo
20:15 - 21:00
PWM
-
LHR
43h 45m
2 stops
£743Multiple Airlines
Sun, 21 Jun - Fri, 7 Aug
Virgin Atlantic Logo
11:15 - 23:09
LHR
-
PWM
16h 54m
1 stop
Virgin Atlantic Logo
18:57 - 13:15
PWM
-
LHR
13h 18m
1 stop
£759Virgin Atlantic
Mon, 1 Jun - Mon, 8 Jun
United Airlines Logo
12:30 - 23:59
EDI
-
PWM
16h 29m
1 stop
United Airlines Logo
18:20 - 08:25
PWM
-
EDI
33h 05m
1 stop
£771United Airlines
Wed, 23 Sep - Sun, 27 Sep
United Airlines Logo
09:40 - 23:59
EDI
-
PWM
19h 19m
2 stops
United Airlines Logo
18:20 - 08:05
PWM
-
EDI
32h 45m
2 stops
£773United Airlines
Wed, 23 Sep - Sun, 27 Sep
Multiple Airlines Logo
10:50 - 00:37
MAN
-
PWM
18h 47m
2 stops
Multiple Airlines Logo
15:05 - 09:45
PWM
-
MAN
13h 40m
2 stops
£874Multiple Airlines
Thu, 4 Jun - Thu, 11 Jun
Virgin Atlantic Logo
13:00 - 23:09
MAN
-
PWM
15h 09m
1 stop
Virgin Atlantic Logo
18:57 - 08:50
PWM
-
MAN
32h 53m
1 stop
£927Virgin Atlantic
Thu, 4 Jun - Thu, 11 Jun
Scandinavian Airlines Logo
09:35 - 00:52
MAN
-
PWM
20h 17m
2 stops
Scandinavian Airlines Logo
06:30 - 08:55
PWM
-
MAN
21h 25m
3 stops
£1,020Scandinavian Airlines
Sun, 7 Jun - Sun, 14 Jun

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Scandinavian Airlines flights from United Kingdom to Portland, Maine

Our best Scandinavian Airlines deals on United Kingdom to Portland, Maine flight tickets
Scandinavian Airlines
5 Jun
MAN09:35Manchester
20h 08m
2 stops
PWM00:43Portland
12 Jun
PWM06:30Portland
45h 25m
2 stops
MAN08:55Manchester
£705
Scandinavian Airlines
5 Jun
LHR07:05London Heathrow
22h 38m
3 stops
PWM00:43Portland
12 Jun
PWM06:30Portland
22h 05m
2 stops
LHR09:35London Heathrow
£839
Scandinavian Airlines
6 Jun
LHR06:40London Heathrow
23h 03m
2 stops
PWM00:43Portland
13 Jun
PWM14:59Portland
20h 26m
3 stops
LHR16:25London Heathrow
£951

JetBlue flights from United Kingdom to Portland, Maine

Our best JetBlue deals on United Kingdom to Portland, Maine flight tickets
JetBlue
28 May
LHR11:55London Heathrow
30h 40m
1 stop
PWM13:35Portland
4 Jun
PWM06:00Portland
9h 45m
1 stop
LHR20:45London Heathrow
£614
JetBlue
9 Jul
LHR08:15London Heathrow
20h 59m
1 stop
PWM00:14Portland
16 Jul
PWM06:00Portland
9h 45m
1 stop
LHR20:45London Heathrow
£649
JetBlue
4 Jun
LHR08:15London Heathrow
20h 43m
1 stop
PWM23:58Portland
11 Jun
PWM06:00Portland
9h 45m
1 stop
LHR20:45London Heathrow
£668

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 April 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

Thu 28/5

11:55-13:35

1 stop30h 40m

Portland

Thu 4/6

06:00-20:45

1 stop9h 45m

£614

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Thu 9/7

08:15-00:14

1 stop20h 59m

Portland

Thu 16/7

06:00-20:45

1 stop9h 45m

£649

ManchesterPortland

MAN - PWM

MANPWM

Manchester

Fri 5/6

09:35-00:43

2 stops20h 08m

Portland

Fri 12/6

06:30-08:55

2 stops45h 25m

£705

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Sun 21/6

19:50-12:30

2 stops45h 40m

Portland

Fri 7/8

20:15-21:00

2 stops43h 45m

£743
Fastest return journey

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Mon 1/6

11:15-23:09

1 stop16h 54m

Portland

Mon 8/6

18:57-13:15

1 stop13h 18m

£759

EdinburghPortland

EDI - PWM

EDIPWM

Edinburgh Turnhouse

Wed 23/9

12:30-23:59

1 stop16h 29m

Portland

Sun 27/9

18:20-08:25

1 stop33h 05m

£771

EdinburghPortland

EDI - PWM

EDIPWM

Edinburgh Turnhouse

Wed 23/9

09:40-23:59

2 stops19h 19m

Portland

Sun 27/9

18:20-08:05

2 stops32h 45m

£773

ManchesterPortland

MAN - PWM

MANPWM

Manchester

Thu 4/6

10:50-00:37

2 stops18h 47m

Portland

Thu 11/6

15:05-09:45

2 stops13h 40m

£874

ManchesterPortland

MAN - PWM

MANPWM

Manchester

Thu 4/6

13:00-23:09

1 stop15h 09m

Portland

Thu 11/6

18:57-08:50

1 stop32h 53m

£927

ManchesterPortland

MAN - PWM

MANPWM

Manchester

Sun 7/6

09:35-00:52

2 stops20h 17m

Portland

Sun 14/6

06:30-08:55

3 stops21h 25m

£1,020

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 £514, 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 £516.

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

You could potentially save up to 15% 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 44m

Direct flights

None
The fastest flight from United Kingdom to Portland, Maine takes 14h 44m
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

Frequently asked questions about flying from the United Kingdom to Portland, Maine

  • 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
United AirlinesPriceFrom £540Free CancellationRating
7.4
9,648 reviews
Search United Airlines flights
Virgin AtlanticPriceFrom £562Free CancellationRating
7.5
687 reviews
Search Virgin Atlantic flights
KLMPriceFrom £570Free CancellationRating
7.8
1,508 reviews
Search KLM 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