Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from London Heathrow Airport to Portland, Maine from $587

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 5/1. 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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize 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.

Find the cheapest flights from London Heathrow Airport to Portland

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from London Heathrow Airport to Portland.
Icelandair Logo
8:15 am - 2:25 pmLHR-PWM
11h 10m1 stop
Icelandair Logo
3:35 pm - 9:30 amPWM-LHR
12h 55m1 stop
$587Icelandair
Find Deal
Thu, May 1 - Thu, May 8
Icelandair Logo
8:25 am - 9:57 pmLHR-PWM
18h 32m2 stops
Icelandair Logo
3:35 pm - 9:30 amPWM-LHR
12h 55m1 stop
$675Icelandair
Find Deal
Thu, May 1 - Thu, May 8
Virgin Atlantic Logo
11:45 am - 11:14 pmLHR-PWM
16h 29m1 stop
Virgin Atlantic Logo
5:30 am - 6:45 amPWM-LHR
20h 15m1 stop
$689Virgin Atlantic
Find Deal
Mon, May 5 - Mon, May 12
 Logo
1:25 pm - 10:45 pmLHR-PWM
14h 20m1 stop
 Logo
1:07 pm - 6:40 amPWM-LHR
12h 33m1 stop
Fri, May 16 - Fri, May 23
Delta Logo
9:55 am - 12:14 amLHR-PWM
19h 19m2 stops
Delta Logo
2:30 pm - 10:00 amPWM-LHR
14h 30m1 stop
$795Delta
Find Deal
Fri, May 16 - Fri, May 23
United Airlines Logo
8:30 am - 9:16 pmLHR-PWM
17h 46m2 stops
United Airlines Logo
2:05 pm - 9:20 amPWM-LHR
14h 15m2 stops
$806United Airlines
Find Deal
Fri, May 16 - Fri, May 23
United Airlines Logo
12:15 pm - 7:11 pmLHR-PWM
11h 56m1 stop
United Airlines Logo
4:04 pm - 9:20 amPWM-LHR
12h 16m1 stop
$836United Airlines
Find Deal
Fri, May 16 - Fri, May 23
Delta Logo
9:55 am - 12:14 amLHR-PWM
19h 19m2 stops
Delta Logo
2:30 pm - 8:00 pmPWM-LHR
24h 30m1 stop
$911Delta
Find Deal
Thu, May 29 - Sun, Jun 1
Virgin Atlantic Logo
9:00 am - 11:14 pmLHR-PWM
19h 14m2 stops
Virgin Atlantic Logo
5:20 am - 11:10 amPWM-LHR
24h 50m1 stop
$934Virgin Atlantic
Find Deal
Wed, Apr 16 - Wed, Apr 23
 Logo
6:00 am - 11:27 pmLHR-PWM
22h 27m3 stops
 Logo
3:43 pm - 6:30 amPWM-LHR
33h 47m2 stops
$1,423
Find Deal
Wed, May 7 - Sat, May 10

Icelandair flights from London Heathrow Airport to Portland, Maine

Our best Icelandair deals on London Heathrow Airport to Portland, Maine flight tickets
Icelandair
May 1
LHR8:15 amLondon Heathrow
11h 10m
1 stop
PWM2:25 pmPortland
May 8
PWM3:35 pmPortland
12h 55m
1 stop
LHR9:30 amLondon Heathrow
Icelandair
May 1
LHR8:25 amLondon Heathrow
18h 32m
2 stops
PWM9:57 pmPortland
May 8
PWM3:35 pmPortland
12h 55m
1 stop
LHR9:30 amLondon Heathrow
Icelandair
May 29
LHR8:15 amLondon Heathrow
19h 44m
1 stop
PWM10:59 pmPortland
Jun 1
PWM7:12 amPortland
21h 18m
1 stop
LHR9:30 amLondon Heathrow

Virgin Atlantic flights from London Heathrow Airport to Portland, Maine

Our best Virgin Atlantic deals on London Heathrow Airport to Portland, Maine flight tickets
Virgin Atlantic
May 5
LHR11:45 amLondon Heathrow
16h 29m
1 stop
PWM11:14 pmPortland
May 12
PWM5:30 amPortland
20h 15m
1 stop
LHR6:45 amLondon Heathrow
Virgin Atlantic
Apr 16
LHR9:00 amLondon Heathrow
19h 14m
2 stops
PWM11:14 pmPortland
Apr 23
PWM5:20 amPortland
24h 50m
1 stop
LHR11:10 amLondon Heathrow
Virgin Atlantic
Apr 16
LHR11:45 amLondon Heathrow
16h 29m
1 stop
PWM11:14 pmPortland
Apr 23
PWM5:20 amPortland
24h 50m
1 stop
LHR11:10 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 February. Flight prices, which tend to average around $691, 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 February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $712.

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 Sunday. momondo users have found tickets for Sunday departures for as low as $1,290. 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?

In the morning 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 $1,150. Flying to Portland, Maine in the morning 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.

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

$718

Fastest flight time

11h 10m

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 $718. The best round-trip flight deal from London Heathrow Airport to Portland, Maine found on momondo in the last 72 hours is $587.
The fastest flight from London Heathrow Airport to Portland, Maine takes 11h 10m
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 10m.

  • 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.


Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Jackson
Boothbay Harbor
Conway
Freeport
Bartlett
Lewiston
Gorham
Brunswick
Auburn
Intervale
Windham
Bath
Falmouth
Oxford
Tamworth
Georgetown

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.


An easier way to manage your Portland, Maine trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Mon 4/7
Mon 4/14

Find better results for your trip to the United States