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Cheap flights from London Heathrow Airport to Portland, Maine from $731

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Portland, Maine departing on 12/4. 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 London Heathrow Airport to Portland

Cheap round-trip flights

These are some of the best round-trip flight deals from London Heathrow Airport to Portland that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from London Heathrow Airport to Portland.

Cheap last minute flights

Planning a quick getaway from London Heathrow Airport to Portland? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Portland, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from London Heathrow Airport to Portland

Find recent round-trip train or bus tickets from London Heathrow Airport to Portland.

All round-trip flight deals to Portland

The cheapest plane tickets to Portland found on KAYAK recently.
7:30 am - 6:46 pmLHR-PWM
16h 16m2 stops
6:00 am - 8:35 pmPWM-LHR
9h 35m1 stop
$731United Airlines
Find Deal
Wed, Dec 4 - Wed, Dec 11
9:10 am - 6:46 pmLHR-PWM
14h 36m1 stop
11:24 am - 8:25 amPWM-LHR
16h 01m1 stop
Wed, Dec 4 - Wed, Dec 11
6:25 pm - 10:49 pmLHR-PWM
33h 24m2 stops
5:50 am - 8:40 amPWM-LHR
21h 50m2 stops
$814Finnair
Find Deal
Sat, Nov 23 - Sat, Dec 7
1:10 pm - 10:47 pmLHR-PWM
14h 37m1 stop
5:50 am - 8:40 amPWM-LHR
21h 50m2 stops
$837Finnair
Find Deal
Sat, Nov 23 - Sat, Dec 7
10:50 am - 11:47 pmLHR-PWM
17h 57m1 stop
6:05 am - 6:20 amPWM-LHR
19h 15m1 stop
$885Virgin Atlantic
Find Deal
Sat, Nov 23 - Sat, Dec 7
6:40 am - 11:59 pmLHR-PWM
22h 19m2 stops
2:55 pm - 9:35 pmPWM-LHR
25h 40m3 stops
$1,033Scandinavian Airlines
Find Deal
Wed, Dec 4 - Wed, Dec 11
4:20 pm - 10:28 amLHR-PWM
23h 08m1 stop
7:16 pm - 11:05 amPWM-LHR
10h 49m1 stop
$1,195United Airlines
Find Deal
Sun, Dec 22 - Wed, Jan 1
4:20 pm - 11:20 pmLHR-PWM
36h 00m2 stops
5:20 am - 6:40 amPWM-LHR
20h 20m1 stop
$1,229United Airlines
Find Deal
Sun, Dec 22 - Wed, Jan 1
6:40 am - 11:59 pmLHR-PWM
22h 19m2 stops
2:55 pm - 4:25 pmPWM-LHR
20h 30m3 stops
$1,257Scandinavian Airlines
Find Deal
Sat, Nov 23 - Sat, Dec 7
11:25 am - 11:01 pmLHR-PWM
16h 36m2 stops
4:15 pm - 10:10 amPWM-LHR
12h 55m2 stops
$1,279American Airlines
Find Deal
Sun, Dec 22 - Wed, Jan 1
LHR-PWM
3173 mimulti-stop
Multiple Airlines
Find Deal

United Airlines flights from London Heathrow Airport to Portland, Maine

Our best United Airlines deals on London Heathrow Airport to Portland, Maine flight tickets
United Airlines
Dec 4
LHR7:30 amLondon Heathrow
16h 16m
2 stops
PWM6:46 pmPortland
Dec 11
PWM6:00 amPortland
9h 35m
1 stop
LHR8:35 pmLondon Heathrow
United Airlines
Dec 22
LHR4:20 pmLondon Heathrow
23h 08m
1 stop
PWM10:28 amPortland
Jan 1
PWM7:16 pmPortland
10h 49m
1 stop
LHR11:05 amLondon Heathrow
United Airlines
Dec 22
LHR4:20 pmLondon Heathrow
36h 00m
2 stops
PWM11:20 pmPortland
Jan 1
PWM5:20 amPortland
20h 20m
1 stop
LHR6:40 amLondon Heathrow

Finnair flights from London Heathrow Airport to Portland, Maine

Our best Finnair deals on London Heathrow Airport to Portland, Maine flight tickets
Finnair
Nov 23
LHR6:25 pmLondon Heathrow
33h 24m
2 stops
PWM10:49 pmPortland
Dec 7
PWM5:50 amPortland
21h 50m
2 stops
LHR8:40 amLondon Heathrow
Finnair
Nov 23
LHR1:10 pmLondon Heathrow
14h 37m
1 stop
PWM10:47 pmPortland
Dec 7
PWM5:50 amPortland
21h 50m
2 stops
LHR8:40 amLondon Heathrow

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

February. The cheapest time of year to fly to Portland, Maine from London Heathrow Airport is February. Most expensive is December

When to book flights from London Heathrow Airport to Portland, Maine

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

Cheap London Heathrow Airport to Portland, Maine (LHR to PWM) flight deals and tips

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

Best Price Found

$731

Fastest flight time

14h 29m

Direct flights

None

Airports in Portland, Maine

1 airport
The best flight deal from London Heathrow Airport to Portland, Maine found on momondo in the last 72 hours is $731
The fastest flight from London Heathrow Airport to Portland, Maine takes 14h 29m
There are no direct flights from London Heathrow Airport to Portland, Maine. Popular non-direct route for this connection is London Heathrow Airport - Portland Airport.
There is 1 airport near Portland, Maine: Portland (PWM)

  • How far is London Heathrow to Portland by plane?

    A flight from London Heathrow to Portland will travel around 3170.3 mi. A reasonable flight in good conditions will take 14h 29m.

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

    Prices for flights from London Heathrow Airport to Portland Airport are updated daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The required travel and health documents for your Portland Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portland Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.


Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Portland for you.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Portland.

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

Of course. momondo tracks the price of London to Portland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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