LHR

$224 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 4/27. 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

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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

Mon, Apr 13 - Mon, Apr 20
Icelandair Logo
8:50 pm - 11:55 am
BOS
-
LHR
10h 05m
1 stop
Icelandair Logo
9:25 pm - 6:50 pm
LHR
-
BOS
26h 25m
1 stop
$506Icelandair
Sun, Apr 12 - Sun, Apr 19
Icelandair Logo
8:50 pm - 8:20 pm
BOS
-
LHR
18h 30m
1 stop
Icelandair Logo
9:25 pm - 9:45 pm
LHR
-
BOS
29h 20m
1 stop
$510Icelandair
Sun, May 10 - Wed, May 27
Icelandair Logo
11:00 pm - 8:20 pm
BOS
-
LHR
16h 20m
1 stop
Icelandair Logo
9:25 pm - 9:45 pm
LHR
-
BOS
29h 20m
1 stop
$512Icelandair
Mon, Apr 13 - Wed, Apr 15
Multiple Airlines Logo
6:40 pm - 10:00 am
BOS
-
LHR
10h 20m
1 stop
Multiple Airlines Logo
6:00 am - 1:50 pm
LHR
-
BOS
12h 50m
1 stop
$521Multiple Airlines
Mon, May 4 - Wed, May 13
TAP AIR PORTUGAL Logo
10:45 pm - 10:55 pm
BOS
-
LHR
19h 10m
1 stop
TAP AIR PORTUGAL Logo
8:00 am - 8:20 pm
LHR
-
BOS
17h 20m
1 stop
$522TAP AIR PORTUGAL
Mon, Apr 27 - Mon, May 4
Scandinavian Airlines Logo
6:30 am - 4:25 pm
PWM
-
LHR
28h 55m
2 stops
Scandinavian Airlines Logo
6:40 am - 12:46 am
LHR
-
PWM
23h 06m
3 stops
$771Scandinavian Airlines
Tue, Sep 1 - Tue, Sep 15
Delta Logo
3:00 pm - 6:45 am
BGR
-
LHR
10h 45m
1 stop
Delta Logo
3:25 pm - 2:23 pm
LHR
-
BGR
27h 58m
2 stops
$781Delta
Mon, Apr 27 - Mon, May 4
Scandinavian Airlines Logo
2:51 pm - 2:35 pm
PWM
-
LHR
18h 44m
3 stops
Scandinavian Airlines Logo
6:40 am - 12:46 am
LHR
-
PWM
23h 06m
3 stops
$791Scandinavian Airlines
Tue, Sep 1 - Tue, Sep 15
Delta Logo
3:00 pm - 6:45 am
BGR
-
LHR
10h 45m
1 stop
Delta Logo
3:25 pm - 2:23 pm
LHR
-
BGR
27h 58m
2 stops
$796Delta
Tue, Sep 1 - Tue, Sep 15
Multiple Airlines Logo
5:13 pm - 11:15 am
BGR
-
LHR
13h 02m
1 stop
Multiple Airlines Logo
1:45 pm - 11:52 pm
LHR
-
BGR
15h 07m
1 stop
$824Multiple Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$236
Best time to beat the crowds with an average 12% drop in price.
Most popular time to fly with an average 15% 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
Bedford
Colchester
Eastbourne
St. Albans
Swindon
Ipswich
Northampton
Twickenham
Kingston upon Thames

Everything you need to know for your flight to London

Information on your arrival and departure airports

London Heathrow Airport (LHR)