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Cheap flights from London to Maine from £393

LON — PWM
22 Nov — 29 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Maine

Enter your travel dates to find the best prices.

Cheapest flights from London to Maine

Fri 4/1206:40 -
2 stops22h 41m
Sun 6/1206:00 -
3 stops29h 00m
Deal found 19/10£583
Wed 2/1206:40 -
2 stops22h 41m
Sun 6/1206:00 -
2 stops30h 40m
Deal found 19/10£624
Sun 15/1107:45 -
1 stop20h 58m
Sat 5/1209:12 -
2 stops16h 58m
Deal found 19/10£685
Thu 5/1112:20 -
1 stop16h 23m
Mon 9/1106:30 -
1 stop10h 10m
Deal found 21/10£703
Wed 2/1209:00 -
2 stops30h 39m
Wed 9/1211:24 -
2 stops23h 56m
Deal found 18/10£738
Wed 2/1212:05 -
2 stops16h 19m
Sun 6/1216:47 -
1 stop32h 08m
Deal found 19/10£739
Tue 10/1112:05 -
2 stops27h 14m
Tue 1/1211:23 -
2 stops18h 52m
Deal found 19/10£752
Tue 10/1107:45 -
2 stops15h 18m
Tue 1/1210:43 -
2 stops17h 22m
Deal found 21/10£755
Fri 4/1212:05 -
2 stops36h 20m
Sun 6/1219:55 -
1 stop29h 25m
Deal found 19/10£770
Thu 3/1209:00 -
2 stops30h 39m
Thu 10/1211:23 -
1 stop16h 47m
Deal found 19/10£787
Sun 6/1206:00 -
2 stops18h 05m
Sun 13/1215:37 -
2 stops14h 13m
Deal found 22/10£1,127
Thu 10/1213:00 -
2 stops30h 27m
Wed 30/1207:20 -
2 stops20h 50m
Deal found 21/10£1,231

Find flight deals from London to Maine

Round-trip from

£583

One-way from

£393

Popular in

July

Cheapest in

February

Average price

£919
Scandinavian Airlines
  • Scandinavian Airlines
  • 4/12-6/12
  • 5 total stops
  • 51h 41m total
  • London to Maine
Search Deals
5/12-31/12
  • 5/12-31/12
  • 3 total stops
  • 46h 37m total
  • London to Maine
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£87 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London to Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonAugusta

LHR London Heathrow - AUG Augusta

LHRAUG

London Heathrow

Sat 5/12

20:50-14:27

3 stops46h 37m

Augusta

Wed 31/12

00:00-06:00

Nonstop0h 00m

£393

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Wed 30/12

17:20-12:19

2 stops23h 59m

Portland

Wed 31/12

00:00-06:00

Nonstop0h 00m

£532

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Wed 23/12

18:30-09:08

2 stops43h 38m

Portland

Wed 31/12

00:00-06:00

Nonstop0h 00m

£563

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Mon 2/11

20:35-09:08

2 stops41h 33m

Portland

Wed 31/12

00:00-06:00

Nonstop0h 00m

£572

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Fri 1/1

17:20-12:36

2 stops24h 16m

Portland

Wed 31/12

00:00-06:00

Nonstop0h 00m

£584

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Sat 5/12

09:00-23:24

2 stops19h 24m

Portland

Wed 31/12

00:00-06:00

Nonstop0h 00m

£594

LondonBangor

LHR London Heathrow - BGR Bangor

LHRBGR

London Heathrow

Sat 5/12

12:05-10:39

2 stops27h 34m

Bangor

Wed 31/12

00:00-06:00

Nonstop0h 00m

£594

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Wed 2/12

06:40-00:21

2 stops22h 41m

Portland

Sun 6/12

06:00-17:40

2 stops30h 40m

£624

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Sat 2/1

13:05-12:36

2 stops28h 31m

Portland

Wed 31/12

00:00-06:00

Nonstop0h 00m

£650

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Wed 23/12

20:10-13:26

1 stop22h 16m

Portland

Wed 31/12

00:00-06:00

Nonstop0h 00m

£705

Flights are sorted by cheapest return flights first.

Deals found on 21/10

Showing 1-10 of 24 resultsSorted by cheapest first
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Best time to book a flight from London to Maine

Have a flexible travel schedule? Discover the best time to fly to Maine from London with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from London to Maine

What is the cheapest month to book a flight from London to Maine?

Currently, January is the cheapest month in which you can book a flight from London to Maine (average of £600). Flying from London to Maine in July is currently the most expensive (average of £1,148). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Maine

Get a feel of what it's like to fly with United Airlines and American Airlines from London to Maine by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.3
Good
10,419 reviews
Check prices

Entertainment

7.1

Crew

8.1

Food

6.7

Comfort

7.3

Boarding

7.7

Overall

7.3

Reviews

1 / 20
8.0
Excellent

Asha,Sept 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.
United Airlines
7.3
Good
10,419 reviews
United Airlines
7.3
Good
10,419 reviews
Check prices

Entertainment

7.1

Crew

8.1

Food

6.7

Comfort

7.3

Boarding

7.7

Overall

7.3

Reviews

1 / 20
8.0
Excellent

Asha,Sept 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.
American Airlines
7.0
Good
12,190 reviews
United Airlines
7.3
Good
10,419 reviews
Check prices

Entertainment

7.1

Crew

8.1

Food

6.7

Comfort

7.3

Boarding

7.7

Overall

7.3

Reviews

1 / 20
8.0
Excellent

Asha,Sept 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

Related info for your journey

  • How long is the flight from London to Maine?

    There are many flights that can get you from London to Maine in 15h 18m. Fly via Scandinavian Airlines, United Airlines, or Finnair to get the fastest option. Airlines will cover a distance of 3067 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from London to Maine one-way?

    For one-way options, check prices for Ajet. According to our data, you can fly for as low as £89. Users have also found prices from £143 and £161 on Pegasus Airlines and Aegean Airlines, respectively.

  • What are the most popular routes from London to Maine?

    While some choose either London Gatwick - Boston Logan Intl or London City - Boston Logan Intl, London Heathrow - Boston Logan Intl is the most popular route from London to Maine.

  • Can I find deals for flights from London to Maine that include hotel bookings?

    Yes. In addition to deals on London to Maine flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Maine?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Maine.

  • Can I find deals for business class flights from London to Maine?

    Yes. Cheapflights offers flight deals from London to Maine by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London to Maine?

    Currently, January is the cheapest month in which you can book a flight from London to Maine (average of £600). Flying from London to Maine in July is currently the most expensive (average of £1,148). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for London to Maine

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Fly with Cheapflights

How does Cheapflights help users find flights from London to Maine?

Deals for London to Maine flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from London to Maine?

Millions of users choose and trust Cheapflights to book the best flight deals from London to Maine for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from London to Maine with no change fees?

Certainly. Search results for flights to Maine from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from London to Maine become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Maine from London today and book when prices fit your budget.

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