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Cheap flights from the United Kingdom to Portland from £316

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 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

Recent return flight deals from the United Kingdom to Portland

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
08:15 - 23:58
LHR
-
PWM
20h 43m
1 stop
JetBlue Logo
14:37 - 09:30
PWM
-
LHR
13h 53m
1 stop
£543JetBlue
Sat, 30 May - Sat, 6 Jun
Scandinavian Airlines Logo
07:05 - 00:43
LHR
-
PWM
22h 38m
2 stops
Scandinavian Airlines Logo
06:25 - 09:35
PWM
-
LHR
22h 10m
2 stops
£647Scandinavian Airlines
Fri, 8 May - Sun, 24 May
United Airlines Logo
13:50 - 23:29
LHR
-
PWM
14h 39m
2 stops
United Airlines Logo
05:30 - 10:40
PWM
-
LHR
24h 10m
1 stop
£660United Airlines
Mon, 11 May - Mon, 18 May
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
United Airlines Logo
12:30 - 23:30
EDI
-
PWM
16h 00m
2 stops
United Airlines Logo
19:22 - 08:05
PWM
-
EDI
31h 43m
2 stops
£765United 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
Multiple Airlines Logo
17:25 - 12:30
MAN
-
PWM
24h 05m
2 stops
Multiple Airlines Logo
10:43 - 06:30
PWM
-
MAN
38h 47m
2 stops
£861Multiple Airlines
Mon, 15 Jun - Fri, 14 Aug
Delta Logo
14:55 - 11:55
MAN
-
PWM
26h 00m
2 stops
Delta Logo
14:38 - 14:00
PWM
-
MAN
18h 22m
2 stops
£867Delta
Mon, 25 May - Mon, 1 Jun
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

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JetBlue flights from United Kingdom to Portland, Maine

Our best JetBlue deals on United Kingdom to Portland, Maine flight tickets
JetBlue
14 May
LHR11:55London Heathrow
16h 08m
1 stop
PWM23:03Portland
22 May
PWM06:00Portland
9h 45m
1 stop
LHR20:45London Heathrow
£487
JetBlue
30 May
LHR08:15London Heathrow
20h 43m
1 stop
PWM23:58Portland
6 Jun
PWM14:37Portland
13h 53m
1 stop
LHR09:30London Heathrow
£543
JetBlue
29 May
LHR08:15London Heathrow
20h 43m
1 stop
PWM23:58Portland
5 Jun
PWM14:37Portland
13h 53m
1 stop
LHR09:30London Heathrow
£574

Scandinavian Airlines flights from United Kingdom to Portland, Maine

Our best Scandinavian Airlines deals on United Kingdom to Portland, Maine flight tickets
Scandinavian Airlines
8 May
LHR07:05London Heathrow
22h 38m
2 stops
PWM00:43Portland
24 May
PWM06:25Portland
22h 10m
2 stops
LHR09:35London Heathrow
£647
Scandinavian Airlines
11 May
LHR07:05London Heathrow
22h 38m
2 stops
PWM00:43Portland
18 May
PWM06:25Portland
22h 10m
2 stops
LHR09:35London Heathrow
£688
Scandinavian Airlines
29 May
LHR07:05London Heathrow
22h 38m
2 stops
PWM00:43Portland
5 Jun
PWM14:38Portland
17h 57m
2 stops
LHR13:35London Heathrow
£700

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 15 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
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

Sat 30/5

08:15-23:58

1 stop20h 43m

Portland

Sat 6/6

14:37-09:30

1 stop13h 53m

£543

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Fri 8/5

07:05-00:43

2 stops22h 38m

Portland

Sun 24/5

06:25-09:35

2 stops22h 10m

£647

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Mon 11/5

13:50-23:29

2 stops14h 39m

Portland

Mon 18/5

05:30-10:40

1 stop24h 10m

£660

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

EdinburghPortland

EDI - PWM

EDIPWM

Edinburgh Turnhouse

Wed 30/9

12:30-23:30

2 stops16h 00m

Portland

Sun 4/10

19:22-08:05

2 stops31h 43m

£765

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

ManchesterPortland

MAN - PWM

MANPWM

Manchester

Mon 15/6

17:25-12:30

2 stops24h 05m

Portland

Fri 14/8

10:43-06:30

2 stops38h 47m

£861

ManchesterPortland

MAN - PWM

MANPWM

Manchester

Mon 25/5

14:55-11:55

2 stops26h 00m

Portland

Mon 1/6

14:38-14:00

2 stops18h 22m

£867

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

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 £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.

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

13h 39m

Direct flights

None
The fastest flight from United Kingdom to Portland, Maine takes 13h 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

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 £538Free CancellationRating
7.4
9,588 reviews
Search United Airlines flights
Virgin AtlanticPriceFrom £560Free CancellationRating
7.5
687 reviews
Search Virgin Atlantic flights
KLMPriceFrom £568Free CancellationRating
7.8
1,499 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