LHR

$194 Find Cheap Flights from Maine to London Heathrow Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to London departing on 1/22. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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

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Everything you should know

Cheapest round-trip
$504
Typical prices: $501-$699
JetBlue
Fri 1/23Sun 1/25
BOS - LHR • Non-stop
Cheapest non-stop
$504
Typical prices: $508-$705
JetBlue
Mon 1/12Fri 1/23
BOS - LHR • Non-stop
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Flight Deals
Useful Info
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.

Recent round-trip flight deals from Maine to London

Fri, Jan 23 - Sun, Jan 25
JetBlue Logo
7:12 pm - 6:55 am
BOS
-
LHR
6h 43mnonstop
JetBlue Logo
9:20 am - 12:16 pm
LHR
-
BOS
7h 56mnonstop
$504JetBlue
Tue, Dec 30 - Sun, Jan 11
Multiple Airlines Logo
4:35 pm - 6:30 am
BOS
-
LHR
32h 55m1 stop
Multiple Airlines Logo
1:25 pm - 7:42 pm
LHR
-
BOS
11h 17m1 stop
$505Multiple Airlines
Sun, Jan 11 - Sun, Jan 18
Air Canada Logo
10:15 am - 9:20 am
BOS
-
LHR
18h 05m2 stops
Air Canada Logo
6:50 am - 2:52 pm
LHR
-
BOS
13h 02m2 stops
$506Air Canada
Mon, Feb 16 - Mon, Feb 23
Finnair Logo
7:15 pm - 7:00 am
BOS
-
LHR
6h 45mnonstop
Finnair Logo
1:30 pm - 4:05 pm
LHR
-
BOS
7h 35mnonstop
$507Finnair
Sun, Jan 11 - Sun, Jan 18
British Airways Logo
7:15 pm - 7:00 am
BOS
-
LHR
6h 45mnonstop
British Airways Logo
1:30 pm - 4:15 pm
LHR
-
BOS
7h 45mnonstop
$508British Airways
Thu, Jan 8 - Mon, Jan 12
Finnair Logo
7:15 pm - 7:00 am
BOS
-
LHR
6h 45mnonstop
Finnair Logo
1:30 pm - 4:15 pm
LHR
-
BOS
7h 45mnonstop
$509Finnair
Thu, Jan 8 - Sun, Jan 11
British Airways Logo
7:15 pm - 7:00 am
BOS
-
LHR
6h 45mnonstop
British Airways Logo
7:10 pm - 9:55 pm
LHR
-
BOS
7h 45mnonstop
$510British Airways
Wed, Dec 31 - Fri, Jan 9
KLM Logo
11:55 pm - 11:25 am
BOS
-
LHR
6h 30mnonstop
KLM Logo
9:40 am - 12:30 pm
LHR
-
BOS
7h 50mnonstop
$513KLM
Mon, Jan 26 - Mon, Feb 2
KLM Logo
1:05 pm - 8:05 am
BGR
-
LHR
14h 00m1 stop
KLM Logo
8:25 pm - 3:54 pm
LHR
-
BGR
24h 29m2 stops
$629KLM
Wed, Jan 21 - Sun, Jan 25
Air Canada Logo
7:27 pm - 7:10 am
PWM
-
LHR
30h 43m2 stops
Air Canada Logo
1:25 pm - 11:30 pm
LHR
-
PWM
39h 05m2 stops
$640Air Canada
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$194
Best time to beat the crowds with an average 10% drop in price.
Most popular time to fly with an average 17% increase in price.
Flight from Boston to London Heathrow Airport

FAQs for booking Maine to London Heathrow Airport flights

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

    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 Heathrow Airport.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London Heathrow Airport 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 Heathrow Airport?

    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 Heathrow Airport 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 Heathrow Airport?

    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 Heathrow Airport 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?

Book flights to London if you plan to visit one of these locations
Hounslow
Slough
Wembley
Hayes
Richmond
Luton
Salisbury
Ilford
Crawley
Watford
Guildford
Eastbourne
Kingston upon Thames
Swindon
Colchester
St. Albans
Ipswich
Twickenham
Northampton
Bedford

Everything you need to know for your flight to London

Information on your arrival and departure airports

London Heathrow Airport (LHR)