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.

$279 CHEAP FLIGHTS from Maine to London

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Cheap Flights from Maine to London

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 16 - Sun, Oct 4

5:40 pm - 5:40 pm

BOS

LHR

19h 00m

1 stop

9:05 pm - 3:35 pm

LHR

BOS

23h 30m

2 stops

$670Scandinavian Airlines

Sat, Nov 14 - Fri, Nov 20

7:50 pm - 1:05 pm

BOS

LTN

12h 15m

1 stop

6:00 am - 5:50 pm

LTN

BOS

16h 50m

1 stop

$670Multiple Airlines

Wed, Aug 5 - Wed, Aug 19

8:50 pm - 2:40 pm

BOS

LGW

12h 50m

1 stop

3:40 pm - 6:50 pm

LGW

BOS

32h 10m

1 stop

$670Icelandair

Tue, Sep 1 - Sat, Sep 19

8:50 pm - 11:55 am

BOS

LHR

10h 05m

1 stop

1:05 pm - 6:50 pm

LHR

BOS

10h 45m

1 stop

$671Icelandair

Tue, Sep 1 - Sat, Sep 5

8:50 pm - 2:40 pm

BOS

LGW

12h 50m

1 stop

3:40 pm - 9:45 pm

LGW

BOS

11h 05m

1 stop

$671Icelandair

Tue, Sep 1 - Mon, Sep 7

6:00 am - 12:45 pm

BOS

STN

25h 45m

2 stops

10:45 pm - 6:07 pm

STN

BOS

24h 22m

2 stops

$671Multiple Airlines

Sun, Aug 16 - Wed, Aug 19

11:35 pm - 12:15 pm

BOS

LGW

31h 40m

1 stop

5:25 pm - 9:45 pm

LGW

BOS

33h 20m

1 stop

$677LEVEL

Sun, Nov 15 - Tue, Nov 17

8:47 am - 7:55 am

PWM

LHR

18h 08m

1 stop

6:50 am - 4:09 pm

LHR

PWM

14h 19m

2 stops

$738United Airlines

Sun, Nov 15 - Tue, Nov 17

2:23 pm - 9:10 am

PWM

LHR

13h 47m

2 stops

6:50 am - 6:21 pm

LHR

PWM

16h 31m

2 stops

$743United Airlines

Tue, Sep 8 - Tue, Sep 22

5:40 pm - 9:00 am

BOS

LCY

10h 20m

1 stop

9:35 am - 4:10 pm

LCY

BOS

11h 35m

1 stop

$756British Airways

Useful Info

Low season	January
High season	December
Cheapest flight	$279

Best time to beat the crowds with an average 31% drop in price.

Most popular time to fly and prices are also 6% 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.

Hounslow

Slough

Hayes

Richmond

Wembley

Luton

Crawley

Ilford

Eastbourne

Watford

Bedford

Colchester

Guildford

Ipswich

Kingston upon Thames

Twickenham

St. Albans

Maidenhead

Worthing

Chelmsford

Everything you need to know for your flight to London

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Cabin class types available on flights to Maine

First Class flights to London

Business Class flights to London

Premium Economy Class flights to London

Economy Class flights to London

$279 Find Cheap Flights from Maine to London - Compare and Save

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

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High season

Cheapest flight

FAQs for booking flights from Maine to London

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

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Flights from domestic origins to London

Choose which airport to fly into in London