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.

$284 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

Thu, Aug 20 - Wed, Aug 26

5:25 pm - 9:30 am

BOS

LTN

11h 05m

1 stop

1:50 pm - 6:50 pm

LTN

BOS

10h 00m

1 stop

$700Multiple Airlines

Fri, Aug 14 - Sun, Aug 16

3:35 pm - 6:30 am

BOS

LHR

9h 55m

1 stop

10:00 pm - 10:38 pm

LHR

BOS

29h 38m

3 stops

$700Multiple Airlines

Mon, Aug 31 - Wed, Sep 16

8:50 pm - 2:40 pm

BOS

LGW

12h 50m

1 stop

3:40 pm - 9:45 pm

LGW

BOS

11h 05m

1 stop

$700Icelandair

Fri, Aug 14 - Sun, Aug 16

3:35 pm - 2:15 pm

BOS

STN

17h 40m

2 stops

10:00 pm - 2:41 pm

STN

BOS

21h 41m

2 stops

$700Multiple Airlines

Mon, Aug 31 - Wed, Sep 16

8:50 pm - 11:55 am

BOS

LHR

10h 05m

1 stop

1:05 pm - 6:50 pm

LHR

BOS

10h 45m

1 stop

$701Icelandair

Thu, Sep 3 - Sat, Sep 5

7:05 pm - 6:45 am

BOS

LHR

6h 40mnonstop

6:30 am - 1:19 pm

LHR

BOS

11h 49m

1 stop

$708KLM

Sun, Nov 15 - Tue, Nov 17

11:15 am - 5:05 pm

BGR

LHR

24h 50m

2 stops

9:00 am - 5:04 pm

LHR

BGR

37h 04m

2 stops

$736United Airlines

Sun, Nov 15 - Tue, Nov 17

11:15 am - 5:05 pm

BGR

LHR

24h 50m

2 stops

9:00 am - 5:04 pm

LHR

BGR

37h 04m

2 stops

$737United Airlines

Wed, Jul 22 - Wed, Mar 17

9:05 pm - 3:15 pm

BOS

LCY

13h 10m

1 stop

7:50 am - 4:30 pm

LCY

BOS

12h 40m

1 stop

$746British Airways

Sun, Jul 19 - Sat, Jul 25

6:00 am - 7:15 am

PWM

LCY

20h 15m

2 stops

9:20 am - 12:59 am

LCY

PWM

20h 39m

2 stops

$11,464KLM

Useful Info

Low season	January
High season	December
Cheapest flight	$284

Best time to beat the crowds with an average 30% 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

Hayes

Slough

Richmond

Wembley

Luton

Crawley

Ilford

Eastbourne

Watford

Bedford

Colchester

Guildford

Ipswich

Kingston upon Thames

Twickenham

St. Albans

Maidenhead

Newbury

Harrow

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

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Premium Economy Class flights to London

Economy Class flights to London

$284 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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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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Choose which airport to fly into in London