Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from the United Kingdom to Portland from £342

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 9/5. 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

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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.
Virgin Atlantic Logo
20:25 - 22:27
LHR
-
PWM
55h 02m
2 stops
Virgin Atlantic Logo
05:30 - 06:20
PWM
-
LHR
43h 50m
2 stops
£519Virgin Atlantic
Mon, 2 Feb - Mon, 9 Feb
Multiple Airlines Logo
16:30 - 22:54
LHR
-
PWM
35h 24m
2 stops
Multiple Airlines Logo
15:58 - 07:50
PWM
-
LHR
10h 52m
1 stop
£533Multiple Airlines
Mon, 2 Feb - Mon, 9 Feb
Virgin Atlantic Logo
10:45 - 22:27
LHR
-
PWM
16h 42m
1 stop
Virgin Atlantic Logo
05:30 - 06:25
PWM
-
LHR
19h 55m
1 stop
£549Virgin Atlantic
Mon, 2 Feb - Mon, 9 Feb
Delta Logo
06:30 - 23:06
LHR
-
PWM
21h 36m
2 stops
Delta Logo
06:25 - 06:20
PWM
-
LHR
19h 55m
1 stop
£599Delta
Sat, 7 Mar - Sat, 14 Mar
United Airlines Logo
12:05 - 23:30
LHR
-
PWM
16h 25m
2 stops
United Airlines Logo
14:31 - 06:40
PWM
-
LHR
11h 09m
1 stop
£605United Airlines
Thu, 5 Feb - Mon, 9 Feb
United Airlines Logo
12:05 - 23:30
LHR
-
PWM
16h 25m
2 stops
United Airlines Logo
15:12 - 11:15
PWM
-
LHR
15h 03m
2 stops
£607United Airlines
Thu, 5 Feb - Mon, 9 Feb
Delta Logo
08:55 - 23:06
LHR
-
PWM
19h 11m
1 stop
Delta Logo
14:30 - 06:55
PWM
-
LHR
12h 25m
1 stop
£611Delta
Sat, 7 Mar - Sat, 14 Mar
United Airlines Logo
12:00 - 18:50
LHR
-
PWM
11h 50m
1 stop
United Airlines Logo
06:00 - 21:20
PWM
-
LHR
10h 20m
1 stop
£633United Airlines
Thu, 5 Feb - Mon, 9 Feb
Scandinavian Airlines Logo
12:45 - 23:59
MAN
-
PWM
40h 14m
2 stops
Scandinavian Airlines Logo
14:35 - 18:30
PWM
-
MAN
22h 55m
2 stops
£645Scandinavian Airlines
Thu, 7 May - Mon, 11 May
Scandinavian Airlines Logo
12:45 - 23:59
MAN
-
PWM
40h 14m
2 stops
Scandinavian Airlines Logo
14:35 - 18:30
PWM
-
MAN
22h 55m
2 stops
£646Scandinavian Airlines
Thu, 7 May - Mon, 11 May

Virgin Atlantic flights from United Kingdom to Portland, Maine

Our best Virgin Atlantic deals on United Kingdom to Portland, Maine flight tickets
Virgin Atlantic
2 Feb
LHR20:25London Heathrow
55h 02m
2 stops
PWM22:27Portland
9 Feb
PWM05:30Portland
43h 50m
2 stops
LHR06:20London Heathrow
£519
Virgin Atlantic
2 Feb
LHR10:45London Heathrow
16h 42m
1 stop
PWM22:27Portland
9 Feb
PWM05:30Portland
19h 55m
1 stop
LHR06:25London Heathrow
£549
Virgin Atlantic
7 Mar
LHR08:55London Heathrow
19h 11m
1 stop
PWM23:06Portland
14 Mar
PWM05:23Portland
25h 27m
2 stops
LHR10:50London Heathrow
£599

Scandinavian Airlines flights from United Kingdom to Portland, Maine

Our best Scandinavian Airlines deals on United Kingdom to Portland, Maine flight tickets
Scandinavian Airlines
7 May
MAN12:45Manchester
40h 14m
2 stops
PWM23:59Portland
11 May
PWM14:35Portland
22h 55m
2 stops
MAN18:30Manchester
£645
Scandinavian Airlines
7 May
MAN12:45Manchester
40h 14m
2 stops
PWM23:59Portland
11 May
PWM14:35Portland
22h 55m
2 stops
MAN18:30Manchester
£646
Scandinavian Airlines
2 Feb
LHR19:30London Heathrow
33h 50m
2 stops
PWM00:20Portland
6 Feb
PWM14:35Portland
20h 25m
2 stops
LHR16:00London Heathrow
£651

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 22 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

20:25-22:27

2 stops55h 02m

Portland

Mon 9/2

05:30-06:20

2 stops43h 50m

£519

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Mon 2/2

16:30-22:54

2 stops35h 24m

Portland

Mon 9/2

15:58-07:50

1 stop10h 52m

£533

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

£549

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Sat 7/3

06:30-23:06

2 stops21h 36m

Portland

Sat 14/3

06:25-06:20

1 stop19h 55m

£599

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Thu 5/2

12:05-23:30

2 stops16h 25m

Portland

Mon 9/2

14:31-06:40

1 stop11h 09m

£605

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Thu 5/2

12:05-23:30

2 stops16h 25m

Portland

Mon 9/2

15:12-11:15

2 stops15h 03m

£607

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Sat 7/3

08:55-23:06

1 stop19h 11m

Portland

Sat 14/3

14:30-06:55

1 stop12h 25m

£611

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Thu 5/2

12:00-18:50

1 stop11h 50m

Portland

Mon 9/2

06:00-21:20

1 stop10h 20m

£633

ManchesterPortland

MAN - PWM

MANPWM

Manchester

Thu 7/5

12:45-23:59

2 stops40h 14m

Portland

Mon 11/5

14:35-18:30

2 stops22h 55m

£645

ManchesterPortland

MAN - PWM

MANPWM

Manchester

Thu 7/5

12:45-23:59

2 stops40h 14m

Portland

Mon 11/5

14:35-18:30

2 stops22h 55m

£646

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 £517, 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 £524.

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

You could potentially save up to 32% 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

16h 25m

Direct flights

None
The fastest flight from United Kingdom to Portland, Maine takes 16h 25m
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
2,891 reviews
Search JetBlue flights
Virgin AtlanticPriceFrom £471Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
FinnairPriceFrom £471Free CancellationRating
7.6
1,353 reviews
Search Finnair flights
IcelandairPriceFrom £489Free CancellationRating
7.1
602 reviews
Search Icelandair flights
KLMPriceFrom £500Free CancellationRating
7.7
1,442 reviews
Search KLM flights
United AirlinesPriceFrom £556Free CancellationRating
7.4
9,193 reviews
Search United Airlines flights
Aer LingusPriceFrom £618Free CancellationRating
7.2
1,441 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.

An easier way to manage your Portland, Maine trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 21/2
Sat 28/2
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Airports servicing Maine

Bangor Airport