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Cheap flights from London to Portland, Maine from $687

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 to Portland, Maine departing on 2/10. 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 to Portland

Cheap round-trip flights

These are some of the best round-trip flight deals from London 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 to Portland.

Cheap last minute flights

Planning a quick getaway from London 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 to Portland

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

All round-trip flight deals to Portland

The cheapest plane tickets to Portland found on KAYAK recently.
11:45 am - 11:57 pmLHR-PWM
17h 12m2 stops
3:02 pm - 6:25 amPWM-LHR
10h 23m1 stop
$687Delta
Find Deal
Mon, Feb 10 - Mon, Feb 17
10:00 am - 11:57 pmLHR-PWM
18h 57m2 stops
3:02 pm - 10:45 amPWM-LHR
14h 43m2 stops
$688Delta
Find Deal
Mon, Feb 10 - Mon, Feb 17
5:20 pm - 11:57 pmLHR-PWM
11h 37m1 stop
3:02 pm - 6:25 amPWM-LHR
10h 23m1 stop
$722Delta
Find Deal
Mon, Feb 10 - Mon, Feb 17
8:40 am - 11:09 pmLHR-PWM
19h 29m2 stops
2:55 pm - 1:45 pmPWM-LHR
17h 50m2 stops
$727Delta
Find Deal
Wed, Dec 4 - Wed, Dec 11
6:00 pm - 6:39 pmLHR-PWM
28h 39m1 stop
11:20 am - 8:35 pmPWM-LHR
29h 15m1 stop
$790Austrian Airlines
Find Deal
Sun, Mar 16 - Sun, Mar 23
9:00 am - 10:50 pmLHR-PWM
18h 50m3 stops
5:14 pm - 11:50 amPWM-LHR
13h 36m2 stops
Wed, Dec 4 - Wed, Dec 11
6:00 am - 10:50 pmLHR-PWM
21h 50m3 stops
4:30 pm - 8:35 pmPWM-LHR
23h 05m3 stops
$1,010
Find Deal
Wed, Dec 4 - Wed, Dec 11
4:20 pm - 11:59 pmLHR-PWM
12h 39m1 stop
5:20 am - 11:05 amPWM-LHR
24h 45m1 stop
$1,171United Airlines
Find Deal
Sun, Dec 22 - Wed, Jan 1
6:00 pm - 11:59 pmLHR-PWM
34h 59m2 stops
5:20 am - 6:40 amPWM-LHR
20h 20m1 stop
$1,232United Airlines
Find Deal
Sun, Dec 22 - Wed, Jan 1
11:25 am - 11:01 pmLHR-PWM
16h 36m2 stops
4:15 pm - 10:10 amPWM-LHR
12h 55m2 stops
$1,343American Airlines
Find Deal
Sun, Dec 22 - Wed, Jan 1
6:40 am - 11:59 pmLHR-PWM
22h 19m2 stops
$2,390Scandinavian Airlines
Find Deal
Mon, Nov 25
6:40 am - 11:59 pmLHR-PWM
22h 19m2 stops
$2,395Scandinavian Airlines
Find Deal
Mon, Nov 25
12:05 pm - 6:46 pmLHR-PWM
11h 41m1 stop
$2,898Austrian Airlines
Find Deal
Mon, Nov 25
10:00 am - 6:46 pmLHR-PWM
13h 46m1 stop
$2,903Austrian Airlines
Find Deal
Mon, Nov 25

Delta flights from London to Portland, Maine

Our best Delta deals on London to Portland, Maine flight tickets
Delta
Feb 10
LHR11:45 amLondon Heathrow
17h 12m
2 stops
PWM11:57 pmPortland
Feb 17
PWM3:02 pmPortland
10h 23m
1 stop
LHR6:25 amLondon Heathrow
Delta
Feb 10
LHR10:00 amLondon Heathrow
18h 57m
2 stops
PWM11:57 pmPortland
Feb 17
PWM3:02 pmPortland
14h 43m
2 stops
LHR10:45 amLondon Heathrow
Delta
Feb 10
LHR5:20 pmLondon Heathrow
11h 37m
1 stop
PWM11:57 pmPortland
Feb 17
PWM3:02 pmPortland
10h 23m
1 stop
LHR6:25 amLondon Heathrow

United Airlines flights from London to Portland, Maine

Our best United Airlines deals on London to Portland, Maine flight tickets
United Airlines
Dec 22
LHR4:20 pmLondon Heathrow
12h 39m
1 stop
PWM11:59 pmPortland
Jan 1
PWM5:20 amPortland
24h 45m
1 stop
LHR11:05 amLondon Heathrow
United Airlines
Dec 22
LHR6:00 pmLondon Heathrow
34h 59m
2 stops
PWM11:59 pmPortland
Jan 1
PWM5:20 amPortland
20h 20m
1 stop
LHR6:40 amLondon Heathrow

See travel insights to Portland from

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

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

What is the cheapest day to depart London for Portland, Maine?

Sunday. The cheapest day of the week is typically Sunday. The most expensive is typically Sunday

When is the cheapest time to fly from London to Portland, Maine?

In the morning. London to Portland, Maine flights are approximately 17% more expensive in the afternoon than in the morning

What is the cheapest London to Portland, Maine flight route?

London Heathrow - Portland. Fly from London Heathrow to Portland for the best London - Portland, Maine flight prices

How far in advance should you book London to Portland, Maine flights?

12 days before. The cheapest time to buy a flight from London to Portland, Maine is approximately 12 days to departure

When to book flights from London to Portland, Maine

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

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

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

Best Price Found

$2,390

Fastest flight time

11h 37m

Direct flights

None

Airports in Portland, Maine

1 airport
The best one-way flight to Portland, Maine from London in the past 72 hours is $2,390. The best round-trip flight deal from London to Portland, Maine found on momondo in the last 72 hours is $687.
The fastest flight from London to Portland, Maine takes 11h 37m
There are no direct flights from London 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 to Portland by plane?

    There are 3183.1 mi between London and Portland. By plane, this route typically takes 11h 37m.

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

    Prices for flights from London to Portland Airport were last updated today.

  • How old do you have to be to fly from London 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 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.


Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Portland. momondo saves you time and could save you money on your trip.

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?

Price alerts on flights to Portland from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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