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Cheap flights from Portland, Maine to London from £467

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to London departing on 6/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Find the cheapest flights from Portland, Maine to London

Cheap return flights

These are some of the best return flight deals from Portland, Maine to London that have been recently found on momondo from popular airlines, departing in the coming months.
06:10 - 20:45PWM-LHR
9h 35m1 stop
08:15 - 16:40LHR-PWM
13h 25m1 stop
£467JetBlue
Find Deal
dim., 6 avr. - dim., 13 avr.
19:20 - 10:50PWM-LHR
11h 30m1 stop
15:00 - 23:15LHR-PWM
36h 15m2 stops
£536United Airlines
Find Deal
lun., 10 mars - ven., 28 mars
05:30 - 06:20PWM-LHR
20h 50m1 stop
06:30 - 23:14LHR-PWM
20h 44m2 stops
£538Delta
Find Deal
lun., 10 mars - mer., 19 mars
13:01 - 06:35PWM-LHR
13h 34m1 stop
13:10 - 22:57LHR-PWM
13h 47m1 stop
lun., 10 mars - mer., 19 mars
16:11 - 06:35PWM-LHR
10h 24m1 stop
13:10 - 22:57LHR-PWM
13h 47m1 stop
lun., 10 mars - ven., 28 mars
13:02 - 06:50PWM-LHR
13h 48m1 stop
16:35 - 00:15LHR-PWM
11h 40m1 stop
£594KLM
Find Deal
lun., 17 mars - lun., 24 mars
12:50 - 06:40PWM-LHR
12h 50m1 stop
13:30 - 23:54LHR-PWM
15h 24m2 stops
£600American Airlines
Find Deal
dim., 6 avr. - dim., 13 avr.
15:00 - 07:55PWM-LHR
12h 55m1 stop
16:35 - 00:15LHR-PWM
11h 40m1 stop
£634KLM
Find Deal
sam., 22 mars - sam., 29 mars
15:08 - 08:50PWM-LCY
12h 42m2 stops
13:45 - 00:23LCY-PWM
15h 38m2 stops
£864Delta
Find Deal
dim., 6 avr. - dim., 13 avr.
12:15 - 10:40PWM-LGW
17h 25m2 stops
10:40 - 22:49LGW-PWM
17h 09m2 stops
£943American Airlines
Find Deal
dim., 6 avr. - dim., 13 avr.

United Airlines flights from Portland, Maine to London

Our best United Airlines deals on Portland, Maine to London flight tickets
United Airlines
10 Mar
PWM19:20Portland
11h 30m
1 stop
LHR10:50London Heathrow
28 Mar
LHR15:00London Heathrow
36h 15m
2 stops
PWM23:15Portland
United Airlines
17 Mar
PWM15:55Portland
10h 25m
1 stop
LHR06:20London Heathrow
24 Mar
LHR15:00London Heathrow
36h 47m
2 stops
PWM23:47Portland
United Airlines
17 Mar
PWM19:20Portland
31h 50m
2 stops
LHR07:10London Heathrow
24 Mar
LHR15:00London Heathrow
36h 47m
2 stops
PWM23:47Portland

Delta flights from Portland, Maine to London

Our best Delta deals on Portland, Maine to London flight tickets
Delta
10 Mar
PWM05:30Portland
20h 50m
1 stop
LHR06:20London Heathrow
19 Mar
LHR06:30London Heathrow
20h 44m
2 stops
PWM23:14Portland
Delta
6 Apr
PWM15:08Portland
12h 42m
2 stops
LCY08:50London City
13 Apr
LCY13:45London City
15h 38m
2 stops
PWM00:23Portland
Delta
22 Jun
PWM14:35Portland
14h 25m
1 stop
LGW10:00London Gatwick
29 Jun
LGW12:00London Gatwick
16h 45m
1 stop
PWM23:45Portland

See travel insights to London from

How to get the cheapest flight ticket from Portland, Maine to London

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 typical price of a round-trip flight between Portland, Maine and London?

What is the cheapest month to fly to London?

The cheapest month to fly to London from Portland, Maine is in November. Flight prices, which tend to average around £564, are often lower during this time because this is during the off-season. The month of April is another great option to travel to London, with average flight prices from Portland, Maine averaging around £581.

What is the cheapest day to depart on your flight to London?

Our data shows that Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £0. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Portland, Maine to London for around £586.

What is the cheapest time of day to depart on your flight to London?

The cheapest time of day to fly to London is in the afternoon when flights can be purchased for as low as £0. Flights in the morning are often more expensive, with an average ticket price of £592.

When to book flights from Portland, Maine to London

Are you open to changing your travel dates? Check out the ideal times to fly from Portland, Maine to London according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Portland, Maine to London (PWM to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to London

Best price found

£494

Fastest flight time

9h 35m

Direct flights

None

Airports in London

3 airports
The best one-way flight to London from Portland, Maine in the past 72 hours is £494. The best return flight deal from Portland, Maine to London found on momondo in the last 72 hours is £467.
The fastest flight from Portland, Maine to London takes 9h 35m
There are no direct flights from Portland, Maine to London. Popular non-direct routes for this connection are Portland Airport - London Heathrow Airport, Portland Airport - London Gatwick Airport and Portland Airport - London City Airport.
There are 3 airports near London: London City (LCY), London Heathrow (LHR), London Gatwick (LGW)

  • How far is Portland to London by plane?

    A flight from Portland to London will travel around 3183.1 mi. Typically, this will take 9h 35m by plane in normal conditions.

  • When did momondo last update prices for flights from Portland Airport to London?

    Prices for flights from Portland Airport to London refresh daily.

  • How old do you have to be to fly from Portland Airport to London?

    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 Portland Airport to London.

  • What documentation or ID do you need to fly to London?

    The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.


Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Slough
Southend-on-Sea
Ipswich
Gatwick
Maidstone
Margate
Hounslow
Canterbury
Ilford
Dartford
Colchester
Winchester
Chichester
Guildford
Croydon
Hayes
Worthing

Why use momondo?

Why should I use momondo to find a flight deal from Portland to London?

It is quick and easy to find Portland to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

Can I find flights from Portland to London with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Portland to London flights to just show those with flexible booking policies.

How can momondo help me find flights from Portland to London?

momondo helps you find the best flight between Portland and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Portland to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Portland to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London