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Cheap flights from the United Kingdom to Portland from £471

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 14/6. 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
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 - 22:59
LHR
-
PWM
16h 04m
1 stop
JetBlue Logo
07:30 - 20:45
PWM
-
LHR
32h 15m
1 stop
£481JetBlue
Sun, 19 Apr - Sun, 26 Apr
JetBlue Logo
08:15 - 22:59
LHR
-
PWM
19h 44m
1 stop
JetBlue Logo
07:30 - 09:30
PWM
-
LHR
21h 00m
1 stop
£510JetBlue
Mon, 20 Apr - Mon, 27 Apr
JetBlue Logo
11:55 - 23:36
LHR
-
PWM
16h 41m
1 stop
JetBlue Logo
06:00 - 20:45
PWM
-
LHR
9h 45m
1 stop
£569JetBlue
Fri, 1 May - Tue, 5 May
JetBlue Logo
11:55 - 23:36
LHR
-
PWM
16h 41m
1 stop
JetBlue Logo
06:00 - 20:45
PWM
-
LHR
9h 45m
1 stop
£584JetBlue
Fri, 1 May - Tue, 5 May
Scandinavian Airlines Logo
19:50 - 00:46
LHR
-
PWM
33h 56m
2 stops
Scandinavian Airlines Logo
06:30 - 09:35
PWM
-
LHR
22h 05m
2 stops
£600Scandinavian Airlines
Mon, 20 Apr - Mon, 27 Apr
United Airlines Logo
07:25 - 18:58
LHR
-
PWM
16h 33m
2 stops
United Airlines Logo
14:12 - 09:20
PWM
-
LHR
14h 08m
2 stops
£608United Airlines
Mon, 20 Apr - Mon, 27 Apr
United Airlines Logo
07:25 - 18:58
LHR
-
PWM
16h 33m
2 stops
United Airlines Logo
19:33 - 06:55
PWM
-
LHR
30h 22m
1 stop
£616United Airlines
Sun, 19 Apr - Sun, 26 Apr
Scandinavian Airlines Logo
19:30 - 00:46
MAN
-
PWM
34h 16m
2 stops
Scandinavian Airlines Logo
06:30 - 19:45
PWM
-
MAN
32h 15m
2 stops
£626Scandinavian Airlines
Sun, 19 Apr - Sun, 26 Apr
Austrian Airlines Logo
09:30 - 18:37
LHR
-
PWM
14h 07m
1 stop
Austrian Airlines Logo
11:08 - 05:55
PWM
-
LHR
13h 47m
1 stop
£626Austrian Airlines
Thu, 23 Apr - Thu, 30 Apr
Virgin Atlantic Logo
11:15 - 23:23
MAN
-
PWM
17h 08m
1 stop
Virgin Atlantic Logo
05:21 - 07:15
PWM
-
MAN
20h 54m
1 stop
£809Virgin Atlantic
Sun, 19 Apr - Sun, 26 Apr

JetBlue flights from United Kingdom to Portland, Maine

Our best JetBlue deals on United Kingdom to Portland, Maine flight tickets
JetBlue
19 Apr
LHR11:55London Heathrow
16h 04m
1 stop
PWM22:59Portland
26 Apr
PWM07:30Portland
32h 15m
1 stop
LHR20:45London Heathrow
£481
JetBlue
20 Apr
LHR08:15London Heathrow
19h 44m
1 stop
PWM22:59Portland
27 Apr
PWM07:30Portland
21h 00m
1 stop
LHR09:30London Heathrow
£510
JetBlue
1 May
LHR11:55London Heathrow
16h 41m
1 stop
PWM23:36Portland
5 May
PWM06:00Portland
9h 45m
1 stop
LHR20:45London Heathrow
£569

Scandinavian Airlines flights from United Kingdom to Portland, Maine

Our best Scandinavian Airlines deals on United Kingdom to Portland, Maine flight tickets
Scandinavian Airlines
20 Apr
LHR19:50London Heathrow
33h 56m
2 stops
PWM00:46Portland
27 Apr
PWM06:30Portland
22h 05m
2 stops
LHR09:35London Heathrow
£600
Scandinavian Airlines
19 Apr
MAN19:30Manchester
34h 16m
2 stops
PWM00:46Portland
26 Apr
PWM06:30Portland
32h 15m
2 stops
MAN19:45Manchester
£626
Scandinavian Airlines
20 Apr
LHR06:40London Heathrow
23h 06m
3 stops
PWM00:46Portland
27 Apr
PWM06:30Portland
27h 05m
2 stops
LHR14:35London Heathrow
£647

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 10 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

Sun 19/4

11:55-22:59

1 stop16h 04m

Portland

Sun 26/4

07:30-20:45

1 stop32h 15m

£481

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Mon 20/4

08:15-22:59

1 stop19h 44m

Portland

Mon 27/4

07:30-09:30

1 stop21h 00m

£510
Fastest return journey

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Fri 1/5

11:55-23:36

1 stop16h 41m

Portland

Tue 5/5

06:00-20:45

1 stop9h 45m

£569

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Fri 1/5

11:55-23:36

1 stop16h 41m

Portland

Tue 5/5

06:00-20:45

1 stop9h 45m

£584

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Mon 20/4

19:50-00:46

2 stops33h 56m

Portland

Mon 27/4

06:30-09:35

2 stops22h 05m

£600

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Mon 20/4

07:25-18:58

2 stops16h 33m

Portland

Mon 27/4

14:12-09:20

2 stops14h 08m

£608

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Sun 19/4

07:25-18:58

2 stops16h 33m

Portland

Sun 26/4

19:33-06:55

1 stop30h 22m

£616

ManchesterPortland

MAN - PWM

MANPWM

Manchester

Sun 19/4

19:30-00:46

2 stops34h 16m

Portland

Sun 26/4

06:30-19:45

2 stops32h 15m

£626

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Thu 23/4

09:30-18:37

1 stop14h 07m

Portland

Thu 30/4

11:08-05:55

1 stop13h 47m

£626

ManchesterPortland

MAN - PWM

MANPWM

Manchester

Sun 19/4

11:15-23:23

1 stop17h 08m

Portland

Sun 26/4

05:21-07:15

1 stop20h 54m

£809

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 £519, 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 £521.

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

16h 23m

Direct flights

None
The fastest flight from United Kingdom to Portland, Maine takes 16h 23m
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 £474Free CancellationRating
7.5
680 reviews
Search Virgin Atlantic flights
IcelandairPriceFrom £492Free CancellationRating
7.1
619 reviews
Search Icelandair flights
KLMPriceFrom £502Free CancellationRating
7.8
1,468 reviews
Search KLM flights
United AirlinesPriceFrom £559Free CancellationRating
7.4
9,409 reviews
Search United Airlines flights
Aer LingusPriceFrom £621Free CancellationRating
7.2
1,473 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

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Airports servicing Maine

Bangor Airport