Cheap flights from Maine to London from £224

PWM — LON
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Maine to London

Enter your travel dates to find the best prices.

Cheapest flights from Maine to London

Mon 16/1108:49 -
1 stop19h 21m
Wed 18/1106:50 -
2 stops21h 31m
Deal found 2/11£575
Thu 12/1106:30 -
1 stop10h 10m
Wed 18/1112:20 -
1 stop16h 23m
Deal found 2/11£578
Sun 15/1117:08 -
1 stop33h 47m
Wed 18/1106:50 -
2 stops21h 31m
Deal found 1/11£579
Mon 16/1111:00 -
1 stop16h 25m
Wed 18/1106:50 -
2 stops32h 29m
Deal found 2/11£579
Sun 15/1106:30 -
1 stop22h 00m
Wed 18/1112:20 -
1 stop16h 23m
Deal found 1/11£582
Mon 16/1111:00 -
2 stops43h 20m
Thu 19/1109:00 -
2 stops30h 19m
Deal found 2/11£590
Mon 16/1106:30 -
1 stop10h 10m
Wed 18/1112:20 -
1 stop16h 23m
Deal found 1/11£622
Sun 15/1115:40 -
1 stop12h 30m
Thu 19/1112:05 -
2 stops16h 16m
Deal found 2/11£652
Thu 12/1108:49 -
1 stop18h 36m
Wed 18/1112:05 -
2 stops16h 16m
Deal found 3/11£652
Thu 3/1209:38 -
1 stop20h 12m
Sun 6/1206:50 -
2 stops17h 22m
Deal found 3/11£653
Thu 12/1115:45 -
1 stop11h 20m
Wed 18/1117:50 -
2 stops26h 15m
Deal found 1/11£653
Tue 8/1206:12 -
1 stop19h 08m
Thu 17/1211:45 -
2 stops17h 36m
Deal found 3/11£654

Find flight deals from Maine to London

Round-trip from

£574

One-way from

£224

Popular in

July

Cheapest in

February

Average price

£644
United Airlines
  • United Airlines
  • 15/2-18/2
  • 4 total stops
  • 72h 34m total
  • Maine to London
JetBlue
  • JetBlue
  • 15/11-31/12
  • 1 total stop
  • 22h 00m total
  • Maine to London
Highest demand for flights based on searches. 15% potential increase in price (£89 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£23 potential savings vs. average return price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BangorLondon

BGR Bangor - LHR London Heathrow

BGRLHR

Bangor

Mon 15/3

17:51-12:30

2 stops14h 39m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£248

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Tue 13/4

15:15-08:20

1 stop12h 05m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£249

BangorLondon

BGR Bangor - LHR London Heathrow

BGRLHR

Bangor

Wed 31/3

06:00-07:25

1 stop20h 25m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£249

BangorLondon

BGR Bangor - LHR London Heathrow

BGRLHR

Bangor

Wed 31/3

06:30-08:30

2 stops21h 00m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£249

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Mon 23/11

10:50-09:10

1 stop17h 20m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£259

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Sun 29/11

05:30-06:40

1 stop20h 10m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£259

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Tue 24/11

10:50-12:00

2 stops20h 10m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£259
Fastest return journey

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Thu 19/11

05:50-20:35

1 stop9h 45m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£259

BangorLondon

BGR Bangor - LHR London Heathrow

BGRLHR

Bangor

Mon 15/2

11:25-08:05

2 stops39h 40m

London Heathrow

Thu 18/2

06:50-10:44

2 stops32h 54m

£574

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Sun 15/11

17:08-07:55

1 stop33h 47m

London Heathrow

Wed 18/11

06:50-19:02

2 stops17h 12m

£579

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Showing 1-10 of 26 resultsSorted by cheapest first
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Best time to book a flight from Maine to London

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

Cheapflights Insights

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

No data available for this route at this time. Please check back soon.

Related info for your journey

  • How long is the flight from Maine to London?

    United Airlines, JetBlue, and Delta can get you from Maine to London in just under 10h 10m. Your travel time can differ by up to 29h 30m. The distance between Maine and London is about 3173 mi. This flight may include one or multiple stops.

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

    £74 is the cheapest one-way deal found within the past few days, from AJet. You may also be able to find cheap deals on Air France and Aegean Airlines, with prices starting from £89 and £97, respectively.

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

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

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

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

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

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

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

See more FAQs

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Alternative routes for Maine to London

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