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Cheap flights from London Heathrow Airport to Portland, Maine from $771

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 1/23. 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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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.
4:00 pm - 10:30 pmLHR-PWM
11h 30m1 stop
11:36 am - 8:35 pmPWM-LHR
27h 59m1 stop
Thu, Jan 23 - Sun, Jan 26
4:00 pm - 10:30 pmLHR-PWM
11h 30m1 stop
11:36 am - 8:35 pmPWM-LHR
27h 59m1 stop
Thu, Jan 23 - Sun, Jan 26
2:50 pm - 10:30 pmLHR-PWM
36h 40m2 stops
11:36 am - 8:35 pmPWM-LHR
27h 59m1 stop
$780Austrian Airlines
Find Deal
Thu, Jan 23 - Sun, Jan 26
8:20 am - 10:34 pmLHR-PWM
19h 14m2 stops
5:44 am - 8:40 amPWM-LHR
21h 56m2 stops
$787Finnair
Find Deal
Thu, Jan 23 - Sun, Jan 26
7:10 am - 4:52 pmLHR-PWM
14h 42m2 stops
1:38 pm - 8:25 amPWM-LHR
13h 47m2 stops
$799Lufthansa
Find Deal
Thu, Jan 23 - Sun, Jan 26
10:50 am - 11:29 pmLHR-PWM
17h 39m1 stop
6:05 am - 6:20 amPWM-LHR
19h 15m1 stop
$947Virgin Atlantic
Find Deal
Sun, Jan 5 - Sun, Jan 12
8:05 pm - 2:22 pmLHR-PWM
23h 17m1 stop
5:35 am - 7:55 amPWM-LHR
21h 20m2 stops
$986Delta
Find Deal
Sun, Jan 5 - Sun, Jan 12
12:15 pm - 12:11 pmLHR-PWM
28h 56m3 stops
6:10 am - 7:30 pmPWM-LHR
32h 20m3 stops
$1,030
Find Deal
Tue, Dec 3 - Tue, Dec 10
6:00 pm - 11:35 amLHR-PWM
22h 35m2 stops
6:10 am - 11:50 amPWM-LHR
24h 40m2 stops
$1,063
Find Deal
Tue, Dec 3 - Tue, Dec 10
6:00 pm - 6:24 pmLHR-PWM
29h 24m1 stop
11:36 am - 8:35 pmPWM-LHR
27h 59m1 stop
$1,356Austrian Airlines
Find Deal
Sun, Jan 5 - Sun, Jan 12
7:25 pm - 6:31 pmLHR-PWM
28h 06m2 stops
$2,900Austrian Airlines
Find Deal
Thu, Feb 20
8:00 am - 6:31 pmLHR-PWM
15h 31m1 stop
$2,910Austrian Airlines
Find Deal
Thu, Feb 20
6:00 pm - 6:46 pmLHR-PWM
29h 46m1 stop
$3,460Austrian Airlines
Find Deal
Tue, Dec 10
7:15 pm - 11:59 pmLHR-PWM
57h 44m3 stops
$4,221
Find Deal
Tue, Dec 10
6:40 am - 11:59 pmLHR-PWM
22h 19m2 stops
$4,814Scandinavian Airlines
Find Deal
Tue, Dec 10
11:25 am - 11:59 pmLHR-PWM
17h 34m2 stops
$5,795Finnair
Find Deal
Tue, Dec 10
10:05 am - 10:24 pmLHR-PWM
17h 19m1 stop
$6,994Finnair
Find Deal
Tue, Dec 10

Austrian Airlines flights from London Heathrow Airport to Portland, Maine

Our best Austrian Airlines deals on London Heathrow Airport to Portland, Maine flight tickets
Austrian Airlines
Jan 23
LHR2:50 pmLondon Heathrow
36h 40m
2 stops
PWM10:30 pmPortland
Jan 26
PWM11:36 amPortland
27h 59m
1 stop
LHR8:35 pmLondon Heathrow
Austrian Airlines
Jan 5
LHR6:00 pmLondon Heathrow
29h 24m
1 stop
PWM6:24 pmPortland
Jan 12
PWM11:36 amPortland
27h 59m
1 stop
LHR8:35 pmLondon Heathrow

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 3
LHR7:10 amLondon Heathrow
16h 36m
2 stops
PWM6:46 pmPortland
Dec 10
PWM5:14 pmPortland
10h 56m
1 stop
LHR9:10 amLondon Heathrow
United Airlines
Dec 22
LHR4:20 pmLondon Heathrow
23h 08m
1 stop
PWM10:28 amPortland
Jan 1
PWM5:20 amPortland
20h 20m
1 stop
LHR6:40 amLondon Heathrow
United Airlines
Jan 5
LHR1:30 pmLondon Heathrow
33h 54m
2 stops
PWM6:24 pmPortland
Jan 12
PWM4:10 pmPortland
34h 45m
1 stop
LHR7:55 amLondon Heathrow

See travel insights to Portland from

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 to Portland, Maine?

The cheapest month to fly to Portland, Maine from London Heathrow Airport is in March. Flight prices, which tend to average around $709, are often lower during this time because this is during the off-season. If you aren’t able to travel to Portland, Maine during the month of March, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $751.

What is the cheapest day to depart on your flight to Portland, Maine?

On average, the least expensive day to fly to Portland, Maine from London Heathrow Airport is on a Monday. momondo users have found tickets for Monday departures for as low as $0. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,290.

What is the cheapest time of day to depart on your flight to Portland, Maine?

At noon is the cheapest time of day to fly from London Heathrow Airport to Portland, Maine when you can find flight prices for as low as $0. Flying to Portland, Maine at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around $1,296. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to Portland, Maine?

The ideal time to book your flight to Portland, Maine is 12 days in advance when prices tend to average $869. Don’t hesitate to check prices now though because momondo users recently found tickets for as low as $622.

Can stopping save me money on London Heathrow Airport to Portland, Maine flights?

No. A direct flight is the cheapest option for a flight between London Heathrow Airport to Portland, Maine.

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

$2,900

Fastest flight time

11h 30m

Direct flights

None

Airports in Portland, Maine

1 airport
The best one-way flight to Portland, Maine from London Heathrow Airport in the past 72 hours is $2,900. The best round-trip flight deal from London Heathrow Airport to Portland, Maine found on momondo in the last 72 hours is $771.
The fastest flight from London Heathrow Airport to Portland, Maine takes 11h 30m
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 11h 30m.

  • 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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