£115 Find Cheap Flights from Maine to the United Kingdom

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Good to know - Cheap tickets from Maine to the United Kingdom

Low seasonDecember
High seasonSeptember
Cheapest flight£115
Best time to beat the crowds but there is an average 32% increase in price.
Most popular time to fly and prices are also 18% lower on average.
Flight from Boston to London Heathrow Airport

FAQs for booking flights from Maine to the United Kingdom

  • How does KAYAK find such low prices on flights from Maine to the United Kingdom?

    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 the United Kingdom.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Maine to the United Kingdom is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Maine to the United Kingdom?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Maine to the United Kingdom with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Maine to the United Kingdom?

    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 from Maine to the United Kingdom up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest day to fly to the United Kingdom?

    Based on KAYAK data, the cheapest day to fly to the United Kingdom is Tuesday when return tickets can be as cheap as £548. On the other hand, the most expensive day to fly is Tuesday, when return prices are £548 on average.

  • What is the cheapest time of day to fly to the United Kingdom?

    The cheapest time of day to fly to the United Kingdom is generally in the afternoon, when round-trip flights cost £707 on average. The most expensive time of day to fly to the United Kingdom is generally in the morning, which is peak travel time and where the average cost of a ticket is £748.

  • What is the cheapest month to fly from Maine to the United Kingdom?

    The cheapest month for flights from Maine to the United Kingdom is April, when tickets cost £534 (return) on average. On the other hand, the most expensive months are June and December, when the average cost of round-trip tickets is £1,082 and £1,047 respectively.

  • How long is the flight to the United Kingdom?

    An average direct flight from Maine to the United Kingdom takes 13h 15m, covering a distance of 3125 miles. The shortest route is Boston (BOS) to Edinburgh (EDI) with an average flight time of 6h 20m.

  • What are the most popular destinations in the United Kingdom?

    Based on KAYAK flight searches, the most popular destination is London (91% of total searches to the United Kingdom). The next most popular destination is Edinburgh (9%).

Book cheap flights from Maine to the United Kingdom

Cheapest flights to the United Kingdom from Maine found in 2025

Recent return flight deals

16/11Sun
1 stopSWISS
10h 05mBOS-LHR
22/11Sat
1 stopSWISS
11h 30mLHR-BOS
£200
16/11Sun
1 stop
11h 00mBOS-LGW
22/11Sat
1 stop
28h 50mLGW-BOS
£253
26/8Tue
1 stopAir Canada
10h 20mBOS-LHR
28/8Thu
2 stopsAir Canada
12h 45mLHR-BOS
£270
19/9Fri
directBritish Airways
6h 40mBOS-LHR
21/9Sun
1 stopBritish Airways
13h 50mLHR-BOS
£271
23/11Sun
directIberia
6h 35mBOS-LHR
24/11Mon
1 stopIberia
31h 05mLHR-BOS
£273
7/10Tue
1 stopBritish Airways
12h 06mBOS-LHR
9/10Thu
1 stopBritish Airways
14h 00mLHR-BOS
£275
15/10Wed
directIberia
6h 35mBOS-LHR
16/10Thu
1 stopIberia
14h 00mLHR-BOS
£276
16/9Tue
1 stopVueling
27h 50mBOS-LGW
30/9Tue
1 stopVueling
33h 25mLGW-BOS
£282
23/11Sun
1 stopAir Canada
20h 55mBOS-LHR
25/11Tue
2 stopsAir Canada
17h 32mLHR-BOS
£288
16/9Tue
1 stopVueling
31h 25mBOS-LGW
22/9Mon
1 stopVueling
13h 15mLGW-BOS
£292

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Recent one-way flight deals

29/9Mon
1 stopIcelandair
31h 20mBOS-LHR
£115
1/10Wed
1 stopIcelandair
31h 20mBOS-LHR
£119
15/10Wed
1 stopIberia
16h 25mBOS-LGW
£121
29/11Sat
1 stopIberia
12h 55mBOS-EDI
£122
31/8Sun
directVirgin Atlantic
6h 45mBOS-LHR
£130
11/8Mon
directVirgin Atlantic
6h 35mBOS-LHR
£130
17/8Sun
directJetBlue
6h 40mBOS-LGW
£130
29/9Mon
1 stop
28h 30mBOS-LGW
£133
30/7Wed
2 stops
28h 45mBOS-LGW
£133
10/8Sun
directJetBlue
6h 20mBOS-EDI
£147

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Last minute flights from Maine to the United Kingdom

Last minute flight, train and bus deals

15/7Tue
multi-stop
10h 10mBOS-LHR
25/7Fri
multi-stop
15h 45mLHR-BOS
£391
13/7Sun
multi-stop
10h 20mBOS-LHR
21/7Mon
multi-stop
15h 45mLHR-BOS
£394
14/7Mon
multi-stopDelta
11h 55mBOS-LGW
22/7Tue
multi-stopDelta
12h 20mLGW-BOS
£400
17/7Thu
multi-stopSWISS
15h 10mBOS-LHR
22/7Tue
multi-stopSWISS
18h 55mLHR-BOS
£405
13/7Sun
directVirgin Atlantic
6h 45mBOS-LHR
21/7Mon
directVirgin Atlantic
7h 45mLHR-BOS
£408
17/7Thu
multi-stopUnited Airlines
10h 23mBOS-LHR
24/7Thu
multi-stopUnited Airlines
16h 15mLHR-BOS
£411
15/7Tue
multi-stopSWISS
15h 10mBOS-LGW
22/7Tue
multi-stopSWISS
25h 50mLGW-BOS
£412
13/7Sun
multi-stopUnited Airlines
20h 25mBOS-LHR
22/7Tue
multi-stopUnited Airlines
13h 40mLHR-BOS
£413
13/7Sun
directVirgin Atlantic
6h 45mBOS-LHR
21/7Mon
multi-stopVirgin Atlantic
12h 40mLHR-BOS
£414
17/7Thu
directDelta
6h 45mBOS-LHR
21/7Mon
multi-stopDelta
12h 05mLHR-BOS
£416

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Everything you need to know for your flight to the United Kingdom

Cabin class types available on flights to Maine

Cabin classes available on flights to Maine. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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