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$218 Find cheap flights from Maine to London

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 10/2. 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
0 bags
mar. 6/18
mar. 6/25

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In the last 7 days travelers have searched 41,904,688 times on KAYAK, and here is why:

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Good to know

Low season

March

High season

September

Cheapest flight

$218
Best time to beat the crowds with an average 33% drop in price.
Most popular time to fly and prices are also 17% lower on average.
Flight from Boston to London Heathrow Airport

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.

See more FAQs

Prefer to fly non-stop from Maine to London?

Find which airlines fly direct from Maine to London, which days they fly and book direct flights.

Nonstop departures

Maine to London

Monday

ANA, AccesRail, Aegean Airlines, +121 more

ANA, AccesRail, +122 more

Tuesday

ANA, AccesRail, Aegean Airlines, +122 more

ANA, AccesRail, +123 more

Wednesday

ANA, AccesRail, Aegean Airlines, +122 more

ANA, AccesRail, +123 more

Thursday

ANA, AccesRail, Aegean Airlines, +119 more

ANA, AccesRail, +120 more

Friday

ANA, AccesRail, Aegean Airlines, +125 more

ANA, AccesRail, +126 more

Saturday

ANA, AccesRail, Aegean Airlines, +119 more

ANA, AccesRail, +120 more

Sunday

ANA, AccesRail, Aegean Airlines, +125 more

ANA, AccesRail, +126 more

See more direct flights

Nonstop returns

London to Maine

Monday

ANA, AccesRail, Aegean Airlines, +121 more

ANA, AccesRail, +122 more

Tuesday

ANA, AccesRail, Aegean Airlines, +122 more

ANA, AccesRail, +123 more

Wednesday

ANA, AccesRail, Aegean Airlines, +122 more

ANA, AccesRail, +123 more

Thursday

ANA, AccesRail, Aegean Airlines, +119 more

ANA, AccesRail, +120 more

Friday

ANA, AccesRail, Aegean Airlines, +125 more

ANA, AccesRail, +126 more

Saturday

ANA, AccesRail, Aegean Airlines, +119 more

ANA, AccesRail, +120 more

Sunday

ANA, AccesRail, Aegean Airlines, +125 more

ANA, AccesRail, +126 more

See more direct flights
See more direct flights

Book cheap flights from Maine to London

Recent round-trip flight deals

11/5mar.
1 stopPLAY
10h 35mBOS-STN
11/12mar.
1 stopPLAY
11h 05mSTN-BOS
$395
11/7jeu.
1 stopPLAY
10h 35mBOS-STN
11/12mar.
1 stopPLAY
11h 05mSTN-BOS
$396
9/9lun.
1 stopVueling
30h 20mBOS-LGW
9/16lun.
1 stopVueling
13h 10mLGW-BOS
$411
11/5mar.
1 stopVueling
12h 45mBOS-LGW
11/12mar.
1 stopVueling
16h 50mLGW-BOS
$426
10/31jeu.
1 stopTAP AIR PORTUGAL
11h 55mBOS-LGW
11/14jeu.
1 stopTAP AIR PORTUGAL
14h 25mLGW-BOS
$441
10/15mar.
1 stopTAP AIR PORTUGAL
11h 50mBOS-LGW
10/22mar.
1 stopTAP AIR PORTUGAL
26h 45mLGW-BOS
$442
11/7jeu.
1 stop
14h 45mBOS-LTN
11/12mar.
1 stop
14h 15mLTN-BOS
$456
10/29mar.
1 stop
15h 15mBOS-LTN
11/5mar.
1 stop
14h 15mLTN-BOS
$470
8/11dim.
1 stopIcelandair
9h 55mBOS-LGW
8/23ven.
1 stopIcelandair
14h 00mLGW-BOS
$538
8/12lun.
1 stopIcelandair
18h 10mBOS-LGW
8/29jeu.
1 stopIcelandair
14h 00mLGW-BOS
$542

Search by stops

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Search by price

Recent one-way flight deals

10/2mer.
1 stopIcelandair
31h 20mBOS-LHR
$218
10/7lun.
1 stopIcelandair
10h 05mBOS-LHR
$219
11/14jeu.
1 stop
18h 05mBOS-LHR
$266
10/1mar.
2 stops
24h 08mBOS-LHR
$290
10/12sam.
1 stopTAP AIR PORTUGAL
33h 00mBOS-LHR
$294
10/7lun.
nonstopVirgin Atlantic
6h 50mBOS-LHR
$301
9/21sam.
nonstopKLM
6h 40mBOS-LHR
$313
8/14mer.
1 stopTAP AIR PORTUGAL
14h 30mBOS-LGW
$320
7/22lun.
nonstopKLM
6h 40mBOS-LHR
$348
6/17lun.
nonstopVirgin Atlantic
6h 50mBOS-LHR
$444

Search by stops

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Search by price

Last minute flights from Maine to London

Last minute flight, train and bus deals

5/20lun.
multi-stopIcelandair
9h 55mBOS-LGW
5/31ven.
multi-stopIcelandair
14h 00mLGW-BOS
$617
5/20lun.
multi-stopIcelandair
15h 45mBOS-LHR
6/6jeu.
multi-stopIcelandair
19h 10mLHR-BOS
$620
5/20lun.
nonstopJetBlue
7h 04mBOS-LGW
6/6jeu.
nonstopJetBlue
7h 33mLGW-BOS
$621
5/21mar.
multi-stopJetBlue
16h 45mBOS-LGW
6/5mer.
nonstopJetBlue
7h 38mLGW-BOS
$625
5/21mar.
multi-stop
17h 05mBOS-STN
6/5mer.
multi-stop
12h 10mSTN-BOS
$639
5/20lun.
multi-stopSWISS
10h 15mBOS-LHR
5/31ven.
multi-stopSWISS
13h 00mLHR-BOS
$640
5/19dim.
multi-stopUnited Airlines
31h 20mBOS-LHR
6/1sam.
multi-stopUnited Airlines
16h 25mLHR-BOS
$641
5/20lun.
multi-stopUnited Airlines
23h 00mBOS-LHR
5/27lun.
multi-stopUnited Airlines
16h 00mLHR-BOS
$644
5/19dim.
multi-stopSWISS
15h 10mBOS-LGW
6/1sam.
multi-stopSWISS
30h 20mLGW-BOS
$656
5/21mar.
multi-stop
11h 05mBOS-LTN
6/5mer.
multi-stop
10h 20mLTN-BOS
$659

Search by stops

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Flights to London

Return flight deals:

London - Maine

Cabin classes: