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

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 Maine to London. Visit our flight page for the latest deals!>/a>

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Maine is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

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

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back to Maine with another airline. Visit our flight page for the latest deals!>/a>

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

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 to London from Maine up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$162 CHEAP FLIGHTS from Maine to London

KAYAK searches hundreds of travel sites at once for deals on flights to London

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Cheap Flights from Maine to London

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Maine to London that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

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

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Maine to London

Wed, Sep 3 - Wed, Sep 10

9:40 pm - 6:30 pmBOS-LHR

15h 50m2 stops

8:05 pm - 3:25 pmLHR-BOS

24h 20m1 stop

$346SWISS

Find Deal

Sun, Sep 7 - Tue, Sep 9

8:10 pm - 7:50 amBOS-LHR

6h 40mnonstop

6:10 am - 3:00 pmLHR-BOS

13h 50m1 stop

$373Iberia

Find Deal

Fri, Aug 22 - Sun, Sep 7

12:35 pm - 11:45 amBOS-LGW

18h 10m1 stop

9:45 pm - 9:15 pmLGW-BOS

28h 30m1 stop

$378

Find Deal

Fri, Oct 3 - Sun, Oct 5

5:40 pm - 2:35 pmBOS-LHR

15h 55m2 stops

6:40 am - 3:35 pmLHR-BOS

37h 55m2 stops

$383Scandinavian Airlines

Find Deal

Fri, Oct 3 - Sun, Oct 5

5:40 pm - 4:00 pmBOS-LHR

17h 20m1 stop

6:40 am - 3:35 pmLHR-BOS

37h 55m2 stops

$387Scandinavian Airlines

Find Deal

Fri, Sep 5 - Wed, Sep 10

7:15 pm - 10:40 amBOS-STN

10h 25m1 stop

11:40 am - 5:50 pmSTN-BOS

11h 10m1 stop

$410PLAY

Find Deal

Sat, Sep 6 - Wed, Sep 10

7:15 pm - 10:40 amBOS-STN

10h 25m1 stop

11:40 am - 5:50 pmSTN-BOS

11h 10m1 stop

$412PLAY

Find Deal

Sun, Aug 17 - Sun, Sep 7

11:35 pm - 11:45 amBOS-LGW

31h 10m1 stop

9:45 pm - 9:15 pmLGW-BOS

28h 30m1 stop

$413

Find Deal

Mon, Sep 15 - Wed, Sep 17

9:20 pm - 8:00 pmBOS-LGW

17h 40m1 stop

3:05 pm - 10:50 pmLGW-BOS

12h 45m1 stop

$430British Airways

Find Deal

Tue, Oct 7 - Tue, Oct 28

7:25 am - 6:55 pmBOS-LHR

6h 30mnonstop

11:25 am - 3:00 pmLHR-BOS

7h 35mnonstop

$497British Airways

Find Deal

Useful Info

Low season	January
High season	April
Cheapest flight	$162

Best time to beat the crowds but there is an average 4% increase in price.

Most popular time to fly and prices are also 11% lower on average.

Flight from Boston to London Heathrow Airport

How does KAYAK find such low prices on flights from Maine to London?
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 Maine to London.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Maine to London?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Maine is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Maine to London?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back to Maine with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Maine to London?
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 to London from Maine up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Ilford

Deal

Southall

St. Albans

Folkestone

Barnet

Bishop's Stortford

Ascot

Enfield

Ely

Rye

Edgware

Woodstock

Weybridge

Alton

Hatfield

Dorking

Beaconsfield

Burford

Surbiton

Everything you need to know for your flight to London

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Cabin class types available on flights to Maine

First Class flights to London

Business Class flights to London

Prem Econ Class flights to London

Economy Class flights to London

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

$162 Find Cheap Flights from Maine to London

KAYAK searches hundreds of travel sites at once for deals on flights to London

Cheap Flights from Maine to London

Recent round-trip flight deals from Maine to London

Recent one-way flight deals from Maine to London

Recent last minute flight deals from Maine to London

Recent direct flight deals from Maine to London

Good to know

FAQs for booking flights from Maine to London

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

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 Maine to London.

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

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

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

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

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

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 to London from Maine up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near London?

Everything you need to know for your flight to London

Cabin class types available on flights to Maine

Complete your trip to London with a hotel stay or car rental

Find direct flights for London

Flights to other popular destinations

Flights from domestic origins to London

Choose which airport to fly into in London