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Find cheap flights from London to Boston from €243

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from London to Boston departing on 14/4. 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
Sun 28/4
Sun 5/5

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 46,342,885 times on KAYAK, and here's why:

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Cheap flight deals from London to Boston

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from London to Boston 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 and deals for you by selecting your travel dates.
Choose your dates
06:15 - 18:00LTN-BOS
16h 45m1 stop
19:15 - 12:55BOS-LTN
12h 40m1 stop
€337
Find Deal
Wed, 12 Jun - Tue, 3 Sep
06:15 - 18:00LTN-BOS
16h 45m1 stop
19:15 - 12:40BOS-LTN
12h 25m1 stop
€347
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Wed, 11 Sep - Sun, 15 Sep
11:40 - 18:00STN-BOS
11h 20m1 stop
19:15 - 10:40BOS-STN
10h 25m1 stop
€355PLAY
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Thu, 25 Apr - Tue, 30 Apr
11:40 - 18:00STN-BOS
11h 20m1 stop
19:15 - 10:40BOS-STN
10h 25m1 stop
€383PLAY
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Tue, 9 Apr - Tue, 23 Apr
12:00 - 23:27LGW-BOS
16h 27m1 stop
19:05 - 10:00BOS-LGW
9h 55m1 stop
€423Virgin Atlantic
Find Deal
Mon, 15 Apr - Mon, 22 Apr
13:00 - 18:50LGW-BOS
10h 50m1 stop
20:50 - 11:45BOS-LGW
9h 55m1 stop
€425Icelandair
Find Deal
Tue, 16 Apr - Sat, 27 Apr
13:00 - 18:50LGW-BOS
10h 50m1 stop
20:50 - 11:45BOS-LGW
9h 55m1 stop
€430Icelandair
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Thu, 11 Apr - Tue, 23 Apr
06:30 - 13:40LHR-BOS
12h 10m1 stop
22:10 - 10:00BOS-LHR
6h 50mdirect
€434Delta
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Tue, 9 Apr - Mon, 22 Apr
06:30 - 13:40LHR-BOS
12h 10m1 stop
19:15 - 07:05BOS-LHR
6h 50mdirect
€435Delta
Find Deal
Mon, 8 Apr - Mon, 22 Apr
11:45 - 18:30LHR-BOS
11h 45m1 stop
06:00 - 20:10BOS-LHR
9h 10m1 stop
€441Virgin Atlantic
Find Deal
Tue, 16 Apr - Tue, 30 Apr

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 London to Boston flight route?

The cheapest price for flight routes found by users searching on KAYAK in the last 2 weeks for one-way flights from London to Boston.
Our data shows that the cheapest route for a one-way flight from London to Boston cost €393 and was between London Heathrow Airport and Boston. On average, the best prices are found if you fly this route. The average price for a return flight for this route is €553.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from London 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 to Boston is February, where tickets cost €422 on average. On the other hand, the most expensive months are July and August, where the average cost of tickets is €670 and €648 respectively.

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

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from London 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 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 provide the cheapest flights from London to Boston?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the past 3 days, the cheapest one-way tickets to Boston from London were found on PLAY (€353) and TAP AIR PORTUGAL (€391), and the lowest return tickets were found on PLAY (€355) and Virgin Atlantic (€423).

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 and Boston per day?

Each day, there are between 13 and 15 nonstop flights that take off from London and land in Boston, with an average flight time of 7h 30m. The most common departure time is 09:00 and most flights take off in the afternoon. Each week, there are 98 flights. The most frequent day of departure is Wednesday, when 15% of all weekly flights depart. The fewest flights depart on a Monday.

Which cabin class options are there for flights between London 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.

How long does a flight from London to Boston take?

The average direct flight takes 7h 15m, covering a distance of 8,461 km.

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

Early birds can take the earliest flight from London at 08:25 and will be landing in Boston at 10:59.

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

If you prefer to fly at night, the latest flight from London to Boston jets off at 20:10 and lands at 22:25.

Good to know

Low season

January

High season

July
Best time to beat the crowds (12% less expensive on average)
Most popular time to fly (32% 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 return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns 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 flights from London to Boston

  • Can I fly directly from London to Boston?

    Yes, there are many airlines which operate non-stop flights from London to Boston, among them are British Airways, Iberia, American Airlines and KLM Royal Dutch Airlines with departures from London Heathrow Airport. If you are wondering about low-cost airlines, check flights with Norwegian which also has non-stop flights from London to Boston in their offering.

  • Can I store my luggage at London Heathrow Airport?

    Yes, London Heathrow Airport has facilities for storing luggage open from 5am to 11pm and they are located in all terminals. You can leave your luggage at Excess Baggage for a few hours or days, the maximum duration is 90 days. It is possible to book this service in advance via the website.

  • Are there onsite airport hotels at the Boston Airport?

    Yes, you can choose between two hotels that are connected to Boston Logan Airport – Hilton Boston Logan Airport and Hyatt Harborside at Boston’s Logan Airport. If your terminal is too far to reach on foot then you can use free airport shuttles provided by the hotels. You can also find some other options near the airport, such as YOTEL Boston or Courtyard by Marriott Boston Logan Airport.

  • Does the Boston Logan Airport provide services for families?

    Boston Logan Airport provides Nursing Suites for breastfeeding mothers so they can feed and change their baby in private and away from the noise. There are also rocking chairs in the terminals which help parents in keeping the baby calm. Older kids can play and climb at Kidports that are located in every terminal.

  • What is the cheapest flight from London to Boston?

    In the last 3 days, the lowest price for a flight from London to Boston was €263 for a one-way ticket and €364 for a return.

  • 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, Delta, American Airlines, 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 travelers 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 return 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

  • If you are looking to book your flight from London to Boston with British Airways, consider buying the Premium economy class which will provide you with some extra leg room and more space for the 7-hour flight, as well as a travel kit and a power outlet.
  • Have an early flight from London to Boston and want to eat a hearty breakfast? There are plenty of options with a breakfast menu available at London Heathrow Airport. Carluccio’s, The Curator, Giraffe Stop, Strada, The George and many more – take your pick!
  • If you decided to book your flight from London to Boston with Norwegian then you will most likely depart from London Gatwick Airport, so remember to leave yourself enough time to reach the airport stress-free. You can reach the airport in about 30 minutes via Gatwick Express Train from Victoria Station. If you are going to the airport by car, there are many parking options available.
  • People who are interested in art will not be bored at the Boston Logan Airport which is involved in a Public Art Program and displays local art works in different parts of the property. All terminals have a public information booth where you can seek directions to the exhibitions.
  • To transfer between the city and Boston Logan Airport, use the public transportation as it is very well connected and budget-friendly. You can take the Blue Line Subway and Silver Line Bus which have stops at every terminal. There is also a possibility that the hotel you booked provides shuttle services so make sure to check it before your flight.
See more tips

Prefer to fly direct from London to Boston Logan Intl?

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

Direct departures

London 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 direct flights

Direct returns

Boston Logan Intl to London

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 direct flights
See more direct flights

Book cheap flights from London to Boston

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from London to Boston found on KAYAK in the last 72 hours.
14/4Sun
1 stop
16h 50mLTN-BOS
€243
9/6Sun
1 stop
16h 10mLTN-BOS
€248
11/4Thu
1 stopPLAY
11h 20mSTN-BOS
€353
16/9Mon
1 stopPLAY
11h 20mSTN-BOS
€377
25/8Sun
1 stopTAP AIR PORTUGAL
32h 40mLHR-BOS
€391
25/8Sun
2 stopsTAP AIR PORTUGAL
28h 00mLGW-BOS
€396
3/6Mon
2 stopsAzores Airlines
52h 45mLHR-BOS
€517
22/9Sun
2 stopsAzores Airlines
33h 20mLHR-BOS
€517
23/4Tue
directJetBlue
7h 38mLGW-BOS
€555
22/4Mon
directJetBlue
7h 38mLGW-BOS
€556

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Last minute flights from London to Boston

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from London to Boston that are departing in the next 10 days.
2/4Tue
directDelta
7h 45mLHR-BOS
12/11Tue
directDelta
6h 45mBOS-LHR
€482
2/4Tue
directDelta
7h 35mLHR-BOS
15/4Mon
directDelta
6h 50mBOS-LHR
€487
2/4Tue
multi-stopScandinavian Airlines
24h 30mLHR-BOS
23/4Tue
multi-stopScandinavian Airlines
16h 55mBOS-LHR
€506
2/4Tue
multi-stopScandinavian Airlines
24h 30mLHR-BOS
15/11Fri
multi-stopScandinavian Airlines
15h 45mBOS-LHR
€533
30/3Sat
multi-stop
15h 35mLTN-BOS
23/4Tue
multi-stop
12h 40mBOS-LTN
€564
30/3Sat
multi-stop
13h 55mLGW-BOS
23/4Tue
multi-stop
13h 00mBOS-LGW
€576
2/4Tue
directJetBlue
7h 38mLGW-BOS
17/4Wed
directJetBlue
7h 06mBOS-LGW
€727
2/4Tue
directJetBlue
7h 34mLHR-BOS
8/4Mon
directJetBlue
7h 12mBOS-LHR
€760
2/4Tue
multi-stopITA Airways
25h 15mLCY-BOS
24/4Wed
multi-stopITA Airways
18h 10mBOS-LCY
€786
31/3Sun
multi-stopITA Airways
25h 15mLCY-BOS
21/4Sun
multi-stopITA Airways
12h 55mBOS-LCY
€831

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Flights to Boston

Destination:

Boston (BOS)United States

Cabin classes:

€2,377
€553

Browse origins:

  • Flights » 
  • London

Browse destinations:

  • Flights » 
  • Worldwide » 
  • Boston