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>

$200 CHEAP FLIGHTS from Maine to London

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

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

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Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$498

Overall average: $639

TAP AIR PORTUGAL

Wed 4/8Sun 4/12

BOS - LHR • 1 stop

Cheapest non-stop

$503

Typical prices: $563-$748

JetBlue

Mon 2/23Wed 3/4

BOS - LHR • Non-stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to London!

Flight Deals

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, Apr 8 - Sun, Apr 12

10:45 pm - 3:35 pm

BOS

LHR

11h 50m1 stop

7:50 pm - 2:40 pm

LHR

BOS

23h 50m1 stop

$498TAP AIR PORTUGAL

Fri, Mar 20 - Tue, Mar 24

6:15 am - 7:10 am

BOS

LHR

20h 55m2 stops

6:00 am - 3:05 pm

LHR

BOS

13h 05m1 stop

$499Multiple Airlines

Tue, Feb 17 - Tue, Feb 24

5:10 pm - 8:20 am

BOS

LGW

10h 10m1 stop

8:50 am - 6:59 pm

LGW

BOS

15h 09m1 stop

$499Multiple Airlines

Tue, Apr 14 - Tue, Apr 28

1:00 pm - 12:45 pm

BOS

STN

18h 45m2 stops

6:30 am - 5:57 pm

STN

BOS

16h 27m3 stops

$499Multiple Airlines

Wed, Feb 11 - Wed, Feb 18

3:35 pm - 7:10 am

BOS

LHR

10h 35m1 stop

6:50 am - 2:52 pm

LHR

BOS

13h 02m2 stops

$500Multiple Airlines

Sun, Feb 1 - Tue, Feb 3

8:40 pm - 9:20 pm

BOS

LHR

19h 40m2 stops

5:50 pm - 1:35 pm

LHR

BOS

24h 45m2 stops

$501Brussels Airlines

Thu, May 7 - Tue, May 12

6:35 pm - 9:05 am

BOS

LHR

9h 30m1 stop

9:50 am - 3:30 pm

LHR

BOS

10h 40m1 stop

$504Aer Lingus

Sat, Feb 21 - Mon, Mar 2

4:45 pm - 10:50 am

BOS

LGW

13h 05m1 stop

12:50 pm - 8:55 pm

LGW

BOS

13h 05m1 stop

$504Iberia

Sun, Jan 18 - Tue, Jan 27

10:10 pm - 12:55 pm

BOS

LCY

9h 45m1 stop

9:15 am - 8:20 pm

LCY

BOS

16h 05m1 stop

$504SWISS

Wed, Mar 25 - Sun, Mar 29

10:50 pm - 5:50 pm

BOS

LGW

15h 00m1 stop

9:25 am - 3:30 pm

LGW

BOS

11h 05m1 stop

$505SWISS

Useful Info

Low season	January
High season	April
Cheapest flight	$200

Best time to beat the crowds with an average 3% drop in price.

Most popular time to fly and prices are also 5% lower on average.

Flight from Boston to London Gatwick 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

Wembley

Hayes

Richmond

Luton

Ilford

Crawley

Watford

Guildford

Kingston upon Thames

Eastbourne

Colchester

St. Albans

Ipswich

Bedford

Twickenham

Barnet

Harrow

Hastings

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

$200 Find Cheap Flights from Maine to London

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

Everything you should know

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