What airlines fly to Portland, Maine?

British Airways, Delta and American Airlines are the top three most popular airlines that fly to Portland, Maine from London according to our data. British Airways is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Portland, Maine. Keep in mind that there are 9 different airlines that fly to Portland, Maine on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from London to Portland?

American Airlines and KLM are the most popular carriers operating from London to Portland

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.

$668 Cheap Flights from London to Portland in 2026

Q: What is the typical price of a round-trip flight between London and Portland, Maine?

Prices are currently typical for flights on this route. Typical prices usually range from $658 to $829. The lowest price recently found on this route was $668.

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Find the cheapest flights from London to Portland

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One-way

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Enter your travel dates to find the best prices.

11:55 am - 1:23 pm

LHR

PWM

30h 28m

1 stop

2:18 pm - 8:45 pm

PWM

LHR

25h 27m

1 stop

$668JetBlue

vie., may. 15 - dom., may. 17

12:30 pm - 11:06 pm

LHR

PWM

15h 36m

1 stop

5:31 am - 6:25 am

PWM

LHR

19h 54m

1 stop

$712Virgin Atlantic

mar., feb. 24 - mar., mar. 3

8:55 am - 11:06 pm

LHR

PWM

19h 11m

1 stop

5:31 am - 6:20 am

PWM

LHR

19h 49m

2 stops

$729Virgin Atlantic

mar., feb. 24 - mar., mar. 3

6:30 am - 11:22 pm

LHR

PWM

20h 52m

2 stops

12:51 pm - 7:50 am

PWM

LHR

14h 59m

2 stops

$734Delta

mié., mar. 11 - mié., mar. 18

12:35 pm - 11:34 pm

LHR

PWM

14h 59m

1 stop

5:58 pm - 10:25 am

PWM

LHR

12h 27m

1 stop

$749American Airlines

mié., mar. 11 - mié., mar. 18

10:45 am - 11:22 pm

LHR

PWM

16h 37m

1 stop

2:30 pm - 10:15 am

PWM

LHR

15h 45m

1 stop

$768KLM

jue., mar. 12 - jue., mar. 19

11:45 am - 12:20 am

LHR

PWM

17h 35m

2 stops

2:35 pm - 7:50 am

PWM

LHR

12h 15m

2 stops

$775Delta

vie., feb. 6 - lun., feb. 9

11:45 am - 11:59 pm

LHR

PWM

17h 14m

2 stops

2:35 pm - 2:35 pm

PWM

LHR

19h 00m

1 stop

$791Delta

vie., may. 15 - dom., may. 17

10:45 am - 10:27 pm

LHR

PWM

16h 42m

1 stop

2:35 pm - 8:05 am

PWM

LHR

12h 30m

1 stop

$792Multiple Airlines

vie., feb. 6 - lun., feb. 9

10:45 am - 11:06 pm

LHR

PWM

17h 21m

1 stop

5:31 am - 10:40 am

PWM

LHR

24h 09m

2 stops

$808Virgin Atlantic

sáb., feb. 14 - sáb., feb. 21

Virgin Atlantic flights from London to Portland, Maine

Our best Virgin Atlantic deals on London to Portland, Maine flight tickets

Virgin Atlantic

Feb 24

LHR12:30 pmLondon Heathrow

15h 36m

1 stop

PWM11:06 pmPortland

Mar 3

PWM5:31 amPortland

19h 54m

1 stop

LHR6:25 amLondon Heathrow

$712

Virgin Atlantic

Feb 24

LHR8:55 amLondon Heathrow

19h 11m

1 stop

PWM11:06 pmPortland

Mar 3

PWM5:31 amPortland

19h 49m

2 stops

LHR6:20 amLondon Heathrow

$729

Virgin Atlantic

Feb 14

LHR10:45 amLondon Heathrow

17h 21m

1 stop

PWM11:06 pmPortland

Feb 21

PWM5:31 amPortland

24h 09m

2 stops

LHR10:40 amLondon Heathrow

$808

American Airlines flights from London to Portland, Maine

Our best American Airlines deals on London to Portland, Maine flight tickets

American Airlines

Feb 5

LHR11:20 amLondon Heathrow

17h 23m

2 stops

PWM11:43 pmPortland

Feb 9

PWM3:58 pmPortland

35h 32m

2 stops

LHR8:30 amLondon Heathrow

$685

American Airlines

Mar 11

LHR12:35 pmLondon Heathrow

14h 59m

1 stop

PWM11:34 pmPortland

Mar 18

PWM5:58 pmPortland

12h 27m

1 stop

LHR10:25 amLondon Heathrow

$749

American Airlines

Jun 17

LHR9:15 amLondon Heathrow

12h 47m

1 stop

PWM5:02 pmPortland

Jun 17

PWM7:35 pmPortland

11h 40m

1 stop

LHR12:15 pmLondon Heathrow

$4,460

Fly from

Fly to

Route

Depart

Return

Price

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

vie. 5/15

11:55 am-1:23 pm

1 stop30h 28m

Portland

dom. 5/17

2:18 pm-8:45 pm

1 stop25h 27m

$668

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

mar. 2/24

12:30 pm-11:06 pm

1 stop15h 36m

Portland

mar. 3/3

5:31 am-6:25 am

1 stop19h 54m

$712

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

mar. 2/24

8:55 am-11:06 pm

1 stop19h 11m

Portland

mar. 3/3

5:31 am-6:20 am

2 stops19h 49m

$729

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

mié. 3/11

6:30 am-11:22 pm

2 stops20h 52m

Portland

mié. 3/18

12:51 pm-7:50 am

2 stops14h 59m

$734

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

mié. 3/11

12:35 pm-11:34 pm

1 stop14h 59m

Portland

mié. 3/18

5:58 pm-10:25 am

1 stop12h 27m

$749

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

jue. 3/12

10:45 am-11:22 pm

1 stop16h 37m

Portland

jue. 3/19

2:30 pm-10:15 am

1 stop15h 45m

$768

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

vie. 2/6

11:45 am-12:20 am

2 stops17h 35m

Portland

lun. 2/9

2:35 pm-7:50 am

2 stops12h 15m

$775

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

vie. 5/15

11:45 am-11:59 pm

2 stops17h 14m

Portland

dom. 5/17

2:35 pm-2:35 pm

1 stop19h 00m

$791

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

vie. 2/6

10:45 am-10:27 pm

1 stop16h 42m

Portland

lun. 2/9

2:35 pm-8:05 am

1 stop12h 30m

$792

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

sáb. 2/14

10:45 am-11:06 pm

1 stop17h 21m

Portland

sáb. 2/21

5:31 am-10:40 am

2 stops24h 09m

$808

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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

What is the cheapest month to fly to Portland, Maine?

The cheapest month to fly to Portland, Maine from London is in October. Flight prices, which tend to average around $694, 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 October, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $704.

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

Fastest flight time	11h 47m
Direct flights	None

The fastest flight from London to Portland, Maine takes 11h 47m

There are no direct flights from London to Portland, Maine. There are no popular flight routes from London to Portland, Maine.

Search flight deals

How far is London to Portland by plane?
There are 3183.1 mi between London and Portland. By plane, this route typically takes 11h 47m.
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.

North Conway

Boothbay Harbor

Jackson

Conway

Freeport

Lewiston

Brunswick

Bartlett

Gorham

Auburn

Windham

Intervale

Bath

Oxford

Georgetown

Falmouth

Tamworth

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.