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.

$283 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, Sep 24 - Wed, Sep 30

10:40 am - 9:00 pmBOS Boston Logan Intl-STN London Stansted

29h 20m2 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat

7:45 am - 6:07 pmSTN London Stansted-BOS Boston Logan Intl

15h 22m2 stops Barcelona-El Prat Montreal Pierre Elliott Trudeau Intl

$723Multiple Airlines

Thu, Feb 25 - Wed, Mar 3

5:35 pm - 10:05 amBOS Boston Logan Intl-STN London Stansted

11h 30m1 stop Kastrup Copenhagen

8:15 am - 3:45 pmSTN London Stansted-BOS Boston Logan Intl

12h 30m1 stop Kastrup Copenhagen

$723Multiple Airlines

Sun, Nov 1 - Mon, Nov 9

10:45 pm - 8:35 pmBOS Boston Logan Intl-LGW London Gatwick

16h 50m1 stop Porto

9:35 pm - 2:40 pmLGW London Gatwick-BOS Boston Logan Intl

22h 05m2 stops Porto Lisbon Humberto Delgado

$723TAP AIR PORTUGAL

Mon, Nov 9 - Sun, Nov 15

10:10 pm - 3:45 pmBOS Boston Logan Intl-LGW London Gatwick

12h 35m1 stop Lisbon Humberto Delgado

9:05 am - 8:45 pmLGW London Gatwick-BOS Boston Logan Intl

16h 40m1 stop Porto

$723TAP AIR PORTUGAL

Sun, Oct 18 - Sat, Oct 24

5:50 pm - 6:30 pmBOS Boston Logan Intl-LHR London Heathrow

19h 40m1 stop Kastrup Copenhagen

6:40 am - 3:35 pmLHR London Heathrow-BOS Boston Logan Intl

13h 55m1 stop Kastrup Copenhagen

$723Scandinavian Airlines

Tue, Nov 10 - Sun, Nov 15

5:35 pm - 9:20 amBOS Boston Logan Intl-LHR London Heathrow

10h 45m1 stop Kastrup Copenhagen

6:40 am - 3:45 pmLHR London Heathrow-BOS Boston Logan Intl

14h 05m1 stop Kastrup Copenhagen

$723Scandinavian Airlines

Sun, Dec 20 - Thu, Jan 7

7:50 pm - 10:50 amBOS Boston Logan Intl-LHR London Heathrow

10h 00m1 stop Reykjavik Keflavik Intl

8:35 pm - 5:50 pmLHR London Heathrow-BOS Boston Logan Intl

26h 15m1 stop Reykjavik Keflavik Intl

$724Icelandair

Fri, Sep 25 - Tue, Oct 27

5:25 pm - 9:05 amBOS Boston Logan Intl-LHR London Heathrow

10h 40m1 stop Dublin

10:00 am - 5:15 pmLHR London Heathrow-BOS Boston Logan Intl

11h 15m1 stop Shannon

$724Aer Lingus

Thu, Nov 19 - Sun, Nov 22

7:50 pm - 10:55 amBOS Boston Logan Intl-LGW London Gatwick

10h 05m1 stop Reykjavik Keflavik Intl

11:55 am - 5:50 pmLGW London Gatwick-BOS Boston Logan Intl

10h 55m1 stop Reykjavik Keflavik Intl

$725Icelandair

Thu, Oct 22 - Tue, Nov 3

6:30 pm - 9:05 amBOS Boston Logan Intl-LHR London Heathrow

9h 35m1 stop Shannon

10:00 am - 4:15 pmLHR London Heathrow-BOS Boston Logan Intl

11h 15m1 stop Shannon

$733Aer Lingus

Recent last minute flight deals from Maine to London

Thu, Sep 10 - Thu, Sep 17

10:55 pm - 11:00 amBOS Boston Logan Intl-LTN London Luton

31h 05m1 stop Barcelona-El Prat

12:50 pm - 9:05 pmLTN London Luton-BOS Boston Logan Intl

13h 15m1 stop Barcelona-El Prat

$725Multiple Airlines

Mon, Sep 7 - Fri, Sep 11

4:45 pm - 12:20 pmBOS Boston Logan Intl-LTN London Luton

14h 35m2 stops Frankfurt am Main Barcelona-El Prat

7:40 pm - 2:45 pmLTN London Luton-BOS Boston Logan Intl

24h 05m2 stops Barcelona-El Prat Frankfurt am Main

$727Multiple Airlines

Sat, Sep 12 - Thu, Sep 17

6:05 am - 9:35 amBOS Boston Logan Intl-LHR London Heathrow

22h 30m2 stops New York John F Kennedy Intl Oslo Gardermoen

6:40 am - 3:35 pmLHR London Heathrow-BOS Boston Logan Intl

13h 55m1 stop Kastrup Copenhagen

$730Scandinavian Airlines

Sat, Sep 12 - Sat, Sep 19

6:05 am - 9:35 amBOS Boston Logan Intl-LHR London Heathrow

22h 30m2 stops New York John F Kennedy Intl Oslo Gardermoen

6:40 am - 3:35 pmLHR London Heathrow-BOS Boston Logan Intl

13h 55m1 stop Kastrup Copenhagen

$730Scandinavian Airlines

Mon, Sep 7 - Thu, Sep 10

6:10 am - 8:45 pmBOS Boston Logan Intl-LHR London Heathrow

9h 35m1 stop New York John F Kennedy Intl

8:40 am - 11:19 amLHR London Heathrow-BOS Boston Logan Intl

7h 39mnonstop

$734JetBlue

Mon, Sep 7 - Fri, Sep 11

6:39 pm - 6:30 amBOS Boston Logan Intl-LHR London Heathrow

6h 51mnonstop

8:40 am - 11:19 amLHR London Heathrow-BOS Boston Logan Intl

7h 39mnonstop

$739JetBlue

Mon, Sep 7 - Tue, Sep 8

8:50 pm - 11:45 amBOS Boston Logan Intl-LGW London Gatwick

9h 55m1 stop Reykjavik Keflavik Intl

3:40 pm - 9:45 pmLGW London Gatwick-BOS Boston Logan Intl

11h 05m1 stop Reykjavik Keflavik Intl

$739Icelandair

Mon, Sep 7 - Wed, Sep 9

9:15 pm - 1:30 pmBOS Boston Logan Intl-LHR London Heathrow

11h 15m1 stop Dublin

12:00 pm - 6:50 pmLHR London Heathrow-BOS Boston Logan Intl

11h 50m1 stop Dublin

$744Aer Lingus

Mon, Sep 7 - Wed, Sep 9

9:15 pm - 1:30 pmBOS Boston Logan Intl-LHR London Heathrow

11h 15m1 stop Dublin

12:00 pm - 6:50 pmLHR London Heathrow-BOS Boston Logan Intl

11h 50m1 stop Dublin

$744Aer Lingus

Wed, Sep 9 - Wed, Sep 16

8:50 pm - 11:45 amBOS Boston Logan Intl-LGW London Gatwick

9h 55m1 stop Reykjavik Keflavik Intl

3:40 pm - 9:45 pmLGW London Gatwick-BOS Boston Logan Intl

11h 05m1 stop Reykjavik Keflavik Intl

$760Icelandair

Recent direct flight deals from Maine to London

Mon, Sep 28 - Sun, Oct 4

7:05 pm - 6:45 amBOS Boston Logan Intl-LHR London Heathrow

6h 40mnonstop

4:20 pm - 7:05 pmLHR London Heathrow-BOS Boston Logan Intl

7h 45mnonstop

$726Virgin Atlantic

Sat, Nov 28 - Fri, Dec 4

7:10 pm - 6:55 amBOS Boston Logan Intl-LHR London Heathrow

6h 45mnonstop

9:20 am - 12:15 pmLHR London Heathrow-BOS Boston Logan Intl

7h 55mnonstop

$729JetBlue

Wed, Oct 28 - Mon, Nov 2

8:10 pm - 6:55 amBOS Boston Logan Intl-LHR London Heathrow

6h 45mnonstop

9:20 am - 12:15 pmLHR London Heathrow-BOS Boston Logan Intl

7h 55mnonstop

$729JetBlue

Thu, Nov 5 - Wed, Nov 11

6:35 pm - 6:15 amBOS Boston Logan Intl-LHR London Heathrow

6h 40mnonstop

11:40 am - 2:20 pmLHR London Heathrow-BOS Boston Logan Intl

7h 40mnonstop

$734British Airways

Tue, Jan 5 - Thu, Jan 14

9:30 pm - 9:15 amBOS Boston Logan Intl-LHR London Heathrow

6h 45mnonstop

11:40 am - 2:20 pmLHR London Heathrow-BOS Boston Logan Intl

7h 40mnonstop

$734British Airways

Thu, Oct 22 - Wed, Oct 28

7:25 am - 6:55 pmBOS Boston Logan Intl-LHR London Heathrow

6h 30mnonstop

7:10 pm - 10:50 pmLHR London Heathrow-BOS Boston Logan Intl

7h 40mnonstop

$760Iberia

Thu, Oct 29 - Thu, Nov 5

8:05 pm - 7:00 amBOS Boston Logan Intl-LHR London Heathrow

6h 55mnonstop

5:00 pm - 7:40 pmLHR London Heathrow-BOS Boston Logan Intl

7h 40mnonstop

$760Finnair

Wed, Nov 4 - Sun, Nov 15

7:30 am - 7:00 pmBOS Boston Logan Intl-LHR London Heathrow

6h 30mnonstop

1:10 pm - 3:45 pmLHR London Heathrow-BOS Boston Logan Intl

7h 35mnonstop

$764Iberia

Wed, Sep 30 - Mon, Oct 5

9:30 pm - 9:15 amBOS Boston Logan Intl-LHR London Heathrow

6h 45mnonstop

4:05 pm - 6:50 pmLHR London Heathrow-BOS Boston Logan Intl

7h 45mnonstop

$773Virgin Atlantic

Thu, Oct 15 - Thu, Oct 22

7:55 pm - 7:50 amBOS Boston Logan Intl-LHR London Heathrow

6h 55mnonstop

10:05 am - 12:40 pmLHR London Heathrow-BOS Boston Logan Intl

7h 35mnonstop

$786Finnair

Useful Info

Low season	January
High season	April
Cheapest flight	$283

Best time to beat the crowds with an average 35% drop in price.

Most popular time to fly with an average 6% increase in price.

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

Ilford

Eastbourne

Crawley

Guildford

Bedford

Colchester

Ipswich

Watford

Kingston upon Thames

Twickenham

St. Albans

Harrow

Newbury

Maidenhead

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$283 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

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

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