How does KAYAK find such low prices on flights from London Heathrow Airport to Maine?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London Heathrow Airport to Maine.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London Heathrow Airport to Maine?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from London Heathrow Airport to Maine is likely to change within 7 days, so travellers know whether to wait or book now.

What is the Hacker Fare option on flights from London Heathrow Airport to Maine?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from London Heathrow Airport to Maine with an airline and back with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London Heathrow Airport to Maine?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from London Heathrow Airport to Maine up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Which airlines provide the cheapest flights from London Heathrow Airport to Maine?

In the past 5 days, the cheapest return tickets from London Heathrow Airport to Maine were found on Delta (£474) and British Airways (£478).

How long does a flight from London Heathrow Airport to Maine take?

The duration of a flight to Maine depends on your arrival airport. The shortest routes to Maine from London Heathrow Airport are to Portland , which takes 21h 38m , and Bangor , which takes 27h 14m.

£346 CHEAP FLIGHTS from London Heathrow to Maine

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Flight Deals

One-wayReturn

Portland1 stop£610

Bangor2 stops£722

Portland1 stop£610

Bangor2 stops£722

Book Cheap Heathrow to Maine Plane Tickets

Discover the best prices for you by selecting your travel dates on KAYAK.

Return

One-way

Last minute

Direct

Recent return flight deals from Heathrow to Maine

Sun, 7 Feb - Fri, 12 Feb

10:00 - 16:15LHR London Heathrow-BOS Boston Logan Intl

11h 15m1 stop Shannon

07:30 - 19:00BOS Boston Logan Intl-LHR London Heathrow

6h 30mdirect

£429British Airways

Sun, 7 Feb - Fri, 12 Feb

10:00 - 16:15LHR London Heathrow-BOS Boston Logan Intl

11h 15m1 stop Shannon

18:50 - 09:15BOS Boston Logan Intl-LHR London Heathrow

9h 25m1 stop Shannon

£429British Airways

Sun, 7 Feb - Fri, 12 Feb

06:50 - 14:53LHR London Heathrow-BOS Boston Logan Intl

13h 03m2 stops Brussels Bruxelles-National Montreal Pierre Elliott Trudeau Intl

10:25 - 07:10BOS Boston Logan Intl-LHR London Heathrow

15h 45m1 stop Montreal Pierre Elliott Trudeau Intl

£447Air Canada

Fri, 16 Oct - Mon, 19 Oct

08:40 - 19:55LHR London Heathrow-BOS Boston Logan Intl

16h 15m1 stop Zurich

12:36 - 05:55BOS Boston Logan Intl-LHR London Heathrow

12h 19m1 stop Newark

£450United Airlines

Fri, 16 Oct - Mon, 19 Oct

06:55 - 15:40LHR London Heathrow-BOS Boston Logan Intl

13h 45m2 stops Munich Franz Josef Strauss Frankfurt am Main

15:48 - 07:15BOS Boston Logan Intl-LHR London Heathrow

10h 27m1 stop Newark

£462United Airlines

Mon, 21 Dec - Fri, 22 Jan

14:45 - 21:15LHR London Heathrow-BOS Boston Logan Intl

11h 30m1 stop Paris Charles de Gaulle

13:10 - 07:15BOS Boston Logan Intl-LHR London Heathrow

13h 05m1 stop New York John F Kennedy Intl

£464Delta

Mon, 21 Dec - Fri, 22 Jan

11:30 - 21:15LHR London Heathrow-BOS Boston Logan Intl

14h 45m1 stop Paris Charles de Gaulle

22:11 - 09:55BOS Boston Logan Intl-LHR London Heathrow

6h 44mdirect

£464Delta

Mon, 19 Oct - Tue, 10 Nov

09:15 - 16:10LHR London Heathrow-BOS Boston Logan Intl

11h 55m1 stop Madrid Barajas

18:45 - 06:25BOS Boston Logan Intl-LHR London Heathrow

6h 40mdirect

£464Iberia

Thu, 1 Oct - Mon, 12 Oct

09:15 - 16:10LHR London Heathrow-BOS Boston Logan Intl

11h 55m1 stop Madrid Barajas

20:05 - 08:00BOS Boston Logan Intl-LHR London Heathrow

6h 55mdirect

£464Iberia

Mon, 30 Nov - Sun, 6 Dec

09:00 - 17:42LHR London Heathrow-BOS Boston Logan Intl

13h 42m1 stop Halifax Intl

15:30 - 11:20BOS Boston Logan Intl-LHR London Heathrow

14h 50m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

£465Air Canada

Recent last minute flight deals from Heathrow to Maine

Mon, 21 Sep - Mon, 28 Sep

11:30 - 19:50LHR London Heathrow-BOS Boston Logan Intl

13h 20m1 stop Madrid Barajas

20:05 - 08:00BOS Boston Logan Intl-LHR London Heathrow

6h 55mdirect

£466Iberia

Mon, 21 Sep - Mon, 28 Sep

14:05 - 21:26LHR London Heathrow-BOS Boston Logan Intl

12h 21m1 stop Montreal Pierre Elliott Trudeau Intl

21:40 - 13:00BOS Boston Logan Intl-LHR London Heathrow

10h 20m1 stop Zurich

£469Multiple Airlines

Fri, 18 Sep - Fri, 25 Sep

11:30 - 19:10LHR London Heathrow-BOS Boston Logan Intl

12h 40m1 stop Madrid Barajas

20:45 - 18:55BOS Boston Logan Intl-LHR London Heathrow

17h 10m1 stop Madrid Barajas

£475Iberia

Sun, 20 Sep - Wed, 30 Sep

09:30 - 14:41LHR London Heathrow-BOS Boston Logan Intl

10h 11m1 stop Montreal Pierre Elliott Trudeau Intl

18:25 - 21:00BOS Boston Logan Intl-LHR London Heathrow

21h 35m1 stop Halifax Intl

£475Air Canada

Sun, 20 Sep - Wed, 30 Sep

09:30 - 14:41LHR London Heathrow-BOS Boston Logan Intl

10h 11m1 stop Montreal Pierre Elliott Trudeau Intl

18:25 - 21:00BOS Boston Logan Intl-LHR London Heathrow

21h 35m1 stop Halifax Intl

£476Air Canada

Sat, 19 Sep - Mon, 12 Oct

10:05 - 12:35LHR London Heathrow-BOS Boston Logan Intl

7h 30mdirect

20:05 - 08:00BOS Boston Logan Intl-LHR London Heathrow

6h 55mdirect

£476British Airways

Sat, 19 Sep - Sat, 3 Oct

10:05 - 12:35LHR London Heathrow-BOS Boston Logan Intl

7h 30mdirect

19:55 - 07:50BOS Boston Logan Intl-LHR London Heathrow

6h 55mdirect

£476British Airways

Sat, 19 Sep - Mon, 5 Oct

09:30 - 14:41LHR London Heathrow-BOS Boston Logan Intl

10h 11m1 stop Montreal Pierre Elliott Trudeau Intl

21:40 - 16:25BOS Boston Logan Intl-LHR London Heathrow

13h 45m1 stop Zurich

£480United Airlines

Mon, 21 Sep - Mon, 5 Oct

14:05 - 21:26LHR London Heathrow-BOS Boston Logan Intl

12h 21m1 stop Montreal Pierre Elliott Trudeau Intl

21:40 - 16:25BOS Boston Logan Intl-LHR London Heathrow

13h 45m1 stop Zurich

£480United Airlines

Thu, 17 Sep - Mon, 28 Sep

10:30 - 13:40LHR London Heathrow-BOS Boston Logan Intl

32h 10m1 stop Rome Fiumicino

17:05 - 15:40BOS Boston Logan Intl-LHR London Heathrow

17h 35m1 stop Rome Fiumicino

£513ITA Airways

Booking Insights

KAYAK's insights & trends for Heathrow to Maine flights

Get data-powered insights and trends into flights from Heathrow to Maine to help you find the cheapest flights, the best time to fly and much more.

Prices

Airlines

What is the cheapest month to fly from London Heathrow Airport to Maine?

The cheapest month for flights from London Heathrow Airport to Maine is December, when tickets cost £0 (return) on average. On the other hand, the most expensive months are September and August, when the average cost of return tickets is £1,561 and £969 respectively.

Find deals

Low season	November
High season	March
Cheapest flight	£346

Best time to beat the crowds (11% less expensive on average)

Most popular time to fly and prices are also 15% lower on average.

Flight from London Heathrow Airport to Boston

How does KAYAK find such low prices on flights from London Heathrow Airport to Maine?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London Heathrow Airport to Maine.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London Heathrow Airport to Maine?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from London Heathrow Airport to Maine is likely to change within 7 days, so travellers know whether to wait or book now.
What is the Hacker Fare option on flights from London Heathrow Airport to Maine?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from London Heathrow Airport to Maine with an airline and back with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London Heathrow Airport to Maine?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from London Heathrow Airport to Maine up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

More options for your flight from Heathrow to Maine

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Complete your trip to Maine with a hotel stay or car hire

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£346 Find Cheap Flights from London Heathrow Airport to Maine – Compare and Save

Cheap Flights from Heathrow to Maine

Book Cheap Heathrow to Maine Plane Tickets

Recent return flight deals from Heathrow to Maine

Recent one-way flight deals from Heathrow to Maine

Recent last minute flight deals from Heathrow to Maine

Recent direct flight deals from Heathrow to Maine

KAYAK's insights & trends for Heathrow to Maine flights

What is the cheapest month to fly from London Heathrow Airport to Maine?

Which airlines provide the cheapest flights from London Heathrow Airport to Maine?

How long does a flight from London Heathrow Airport to Maine take?

Good to know - Cheap tickets from London Heathrow Airport to Maine

Low season

High season

Cheapest flight

FAQs - booking Maine flights

More options for your flight from Heathrow to Maine

Complete your trip to Maine with a hotel stay or car hire

Information on your arrival and departure airports

Cabin class types available on flights to Heathrow

Flights from domestic origins to Heathrow

Flights to other popular destinations

Flights to popular cities in Maine