Find flights
Deals
Insights
When to book
FAQs & Tips
Direct Flights

LHR - BOS

Find cheap flights from London to Boston

1 adult
0 bags
Sat 1/6
Sat 8/6

Search hundreds of travel sites at once for deals on flights to Boston

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Boston, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Boston, as well as popular online travel agencies
In the last 7 days, travellers have searched 43,740,974 times on KAYAK, and here is why:

Save 22% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Free to useThere are no hidden charges or fees.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flights from London to Boston - Travel Insights & Trends

Get data-powered insights and trends into flights from London to Boston to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from London Heathrow Airport to Boston?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from London Heathrow Airport to Boston, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from London Heathrow Airport to Boston is February, where tickets cost C$ 628 on average. On the other hand, the most expensive months are July and August, where the average cost of tickets is C$ 996 and C$ 963 respectively.

How far in advance should I book a flight from London Heathrow Airport to Boston?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from London Heathrow Airport to Boston, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from London Heathrow Airport to Boston, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 81 days before departure.

Which airlines fly most frequently between London and Boston?

British Airways connects London to Boston with up to 5 flights per day. American Airlines also offers 2 flights per day, while Delta follows with 2 flights per day.

How many flights are there between London Heathrow Airport and Boston per day?

Each day, there are between 11 and 14 nonstop flights that take off from London Heathrow Airport and land in Boston, with an average flight time of 7h 29m. The most common departure time is 9:00 a.m. and most flights take off in the afternoon. Each week, there are 87 flights. The most frequent day of departure is Wednesday, when 16% of all weekly flights depart. The fewest flights depart on a Monday.

Which cabin class options are there for flights between London Heathrow Airport and Boston?

The average price of flights for each cabin class for the route found by users searching on KAYAK over the last 2 weeks.
There are 2 cabin class options for the route. These are Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

What’s the earliest departure time from London to Boston?

Early birds can take the earliest flight from London Heathrow Airport at 8:25 am and will be landing in Boston at 10:59 am.

What’s the latest departure time from London to Boston?

If you prefer to fly at night, the latest flight from London Heathrow Airport to Boston jets off at 8:10 pm and lands at 10:25 pm.

Good to know

Low season

January

High season

August
Best time to beat the crowds (16% less expensive on average)
Most popular time to fly (30% more expensive on average)

When to book flights from London to Boston

Are your dates flexible? Find out the best times to travel from London to Boston based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking London to Boston flights

  • How can I get from Boston airport to downtown?

    You can travel from Boston Airport to the centre of the city via the MBTA Subway, which costs about $2.75 (£2) and takes approximately 35min. There is also a free option via the MBTA Silver Line, which takes you to the South Station in about 25min. Alternatively, a taxi will cost around $35 (£25) and takes about 20min to get you to the centre.

  • Can I fly non-stop between London and Boston?

    Yes, you can fly non-stop with several airlines from Heathrow Airport. With flights taking under 8h in general, you will be landing in Boston in no time at all. Depending on which airline you leave from, you may depart from a different terminal. For instance, British Airways flights leave from Terminal 3, KLM leaves from Terminal 2, whereas Iberia takes-off from Terminal 5. This may affect your travel or accommodation requirements, depending on when and how you are getting to the airport.

  • Can I use an express lane at airport security?

    Yes, you can pre-book your express lane ticket in advance, providing you do this at least 24h prior to take-off. You will get a QR code and a time slot in which the code is valid. From here you can use the express lane to beat the queues going through security. This is about £12.50 and is a great way to avoid hanging around at the airport.

  • Are there hotels I can stay at the night before my flight?

    Yes, you can stay at many airport hotels before your flight. If you are leaving from Terminal 2 with British Airways, you can stay at Aerotel, which is a few minutes’ walk from the terminal building. If your flight is with Iberia from Terminal 5, then you can stay at Sofitel which is conveniently located next to the terminal, whereas Hilton Garden Inn is close to Terminal 2 should your trip be with KLM.

  • Which airlines offer Wi-Fi service onboard planes from London to Boston?

    All the following airlines offer inflight Wi-Fi service on the London to Boston flight route: Virgin Atlantic, Air France, KLM, American Airlines, Delta, and Alaska Airlines.

  • Which aircraft models fly most regularly from London to Boston?

    The Boeing 777-200/200ER is the aircraft model that flies most regularly on the London to Boston flight route.

  • Which airline alliances offer flights from London to Boston?

    oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between London and Boston, with oneworld being the most commonly used for this route.

  • On which days can I fly direct from London to Boston?

    There are direct flights from London to Boston on a daily basis.

  • How does KAYAK find such low prices on flights from London to Boston?

    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 London to Boston.

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

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

    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 Boston with an airline and back to London with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London to Boston?

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

See more FAQs

Top tips for finding a cheap flight from London to Boston

  • Looking for a cheap flight? 25% of our users found flights on this route for C$ 826 or less one-way and C$ 984 or less round-trip.
  • One of the advantages of a flight from London Heathrow is that it’s easy to reach from the centre of London. You can take either the Piccadilly Line or Heathrow Express, which take you directly to the terminal building, or you can reach it by car via exit 14 or 15 of the M25.
  • Boston Logan Airport is brilliantly located for your onward journey. With Nashua about 50min away by car and Worcester a similar distance, you can explore Massachusetts with ease upon touchdown in the States.
  • Before your flight across the Atlantic, one great way to relax is to enjoy a lounge, such as Aspire Lounge. From about £25 per person, you can enjoy complimentary Wi-Fi and food and drink, as well as shower facilities, to put you in a great mood ahead of your trip.
  • If you need assistance with mobility at Heathrow Airport, you can arrange for this ahead of your arrival. Call up at the Assistance Host Area reception least 48h in advance, and they will provide you with a wheelchair upon arrival. You can either meet them at their desk or they will meet you when you get to the airport.
  • Before take-off, you can exchange your currency with ease. At Terminals 2, 3 and 4 you can visist Travelex bureaus, whereas at Terminal 5, you will have access to a Moneycorp office. These can be easily located upon arrival, so you’ll be able to get American Dollars with ease ahead of your trip.
See more tips

Prefer to fly non-stop from London to Boston?

Find which airlines fly direct from Heathrow to Logan Intl, which days they fly and book direct flights.

Nonstop departures

London Heathrow to Boston Logan Intl

Monday

Aer Lingus, Air France, American Airlines, +10 more

Aer Lingus, Air France, +11 more

Tuesday

Aer Lingus, Air France, American Airlines, +10 more

Aer Lingus, Air France, +11 more

Wednesday

Aer Lingus, Air France, American Airlines, +10 more

Aer Lingus, Air France, +11 more

Thursday

Aer Lingus, Air France, American Airlines, +10 more

Aer Lingus, Air France, +11 more

Friday

Aer Lingus, Air France, American Airlines, +10 more

Aer Lingus, Air France, +11 more

Saturday

Aer Lingus, Air France, American Airlines, +10 more

Aer Lingus, Air France, +11 more

Sunday

Aer Lingus, Air France, American Airlines, +10 more

Aer Lingus, Air France, +11 more

See more nonstop flights

Nonstop returns

Boston Logan Intl to London Heathrow

Monday

Aer Lingus, Air France, American Airlines, +10 more

Aer Lingus, Air France, +11 more

Tuesday

Aer Lingus, Air France, American Airlines, +10 more

Aer Lingus, Air France, +11 more

Wednesday

Aer Lingus, Air France, American Airlines, +10 more

Aer Lingus, Air France, +11 more

Thursday

Aer Lingus, Air France, American Airlines, +10 more

Aer Lingus, Air France, +11 more

Friday

Aer Lingus, Air France, American Airlines, +10 more

Aer Lingus, Air France, +11 more

Saturday

Aer Lingus, Air France, American Airlines, +10 more

Aer Lingus, Air France, +11 more

Sunday

Aer Lingus, Air France, American Airlines, +10 more

Aer Lingus, Air France, +11 more

See more nonstop flights
See more nonstop flights

Book cheap flights from London to Boston

One-way flight deals

directAmerican Airlines
7h 20mLHR-BOS
directKLM
7h 55mLHR-BOS
directQatar Airways
7h 20mLHR-BOS
directJetBlue
7h 56mLHR-BOS
directAer Lingus
7h 40mLHR-BOS
directAir France
7h 55mLHR-BOS
directFinnair
7h 20mLHR-BOS
directDelta
7h 55mLHR-BOS
directIberia
7h 20mLHR-BOS
directVirgin Atlantic
7h 55mLHR-BOS
directSingapore Airlines
7h 45mLHR-BOS
directBritish Airways
7h 20mLHR-BOS
directGulf Air
7h 20mLHR-BOS

Search by stops

Search by airline

London - Boston Flights

Departure:

London (LHR)United Kingdom

Destination:

Boston (BOS)United States

Return flight deals:

Boston - London

Cabin classes:

C$ 846

Browse origins:

  • Flights » 
  • London Heathrow Airport

Browse destinations:

  • Flights » 
  • Worldwide » 
  • Boston