Cheap Flights from London to Boston, MA from $394

Return flight: Boston – London

On Cheapflightsplus.com you will find 28 direct and 638 connecting flights from London to Boston. You can compare airfare deals from 36 airlines and multiple travel sites from $394, book and save on cheap plane tickets and last minute offers. Also check out LON-BOS flight schedule to find best flight time, convenient departure and arrival airports.

Flight Information

Below we will explain in detail what the flights cost on the destination from London to Boston depends on and how to choose the most interesting flight option for you.

Distance between London and Boston is 5261 miles. Time difference between the cities is 5h. Airplanes depart 06:00 to 23:20 from 10 London airports and arrive 06:00 to 23:20 to 4 Boston airports. Average flight time is 7h 45m.

  • The fastest flight 7h 40m
  • Average flight time 7h 45m
  • The earliest flight 06:00
  • The latest flight 23:20
  • Distance 3270 ml

The cheapest months to travel to Boston are november (from 394 $), august (from 394 $), september (from 424 $).

The most expensive months are october (from 436 $), september (from 424 $), august (from 394 $).

What is the lowest airfare London to Boston?

The cheapest plane ticket found by our users is $394. This airfare is for economy class on one-way EI159 flight by Aer Lingus for November 26, 2025 which leaves Heathrow in London at 12:10 am and arrives at Boston Logan at 18:55.

Economy class
$394
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Business class
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First class
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Flight Schedule London to Boston (Massachusetts)

08:50 — 13:55
10h 5m flight time
Find flight
from$394
08:50 — 10:15 London — Dublin
EI153 Aer Lingus
1h 25m stop
12:40 — 14:40 Dublin — Boston
EI133 Aer Lingus
09:00 — 16:20
12h 20m flight time
Find flight
from$408
09:00 — 11:20 London — Paris
AF1681 Air France
3h 5m stop
13:25 — 15:05 Paris — Boston
AF334 Air France
09:20 — 12:14
7h 54m flight time
Find flight
from$1075
London — Boston
B61621 JetBlue
09:20 — 12:14
7h 54m flight time
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from$1513
London — Boston
TP4289 TAP Portugal
10:00 — 18:55
13h 55m flight time
Find flight
from$402
09:55 — 12:20 London — Amsterdam
KL1004 KLM
4h 45m stop
16:45 — 18:25 Amsterdam — Boston
KL617 KLM
11:40 — 14:20
7h 40m flight time
Find flight
from$725
London — Boston
AA6964 American Airlines
11:40 — 14:20
7h 40m flight time
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from$1538
London — Boston
AY5413 Finnair
11:45 — 18:55
12h 10m flight time
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from$402
11:45 — 14:00 London — Amsterdam
KL1006 KLM
3h 5m stop
16:45 — 18:25 Amsterdam — Boston
KL617 KLM
12:10 — 18:55
11h 45m flight time
Find flight
from$394
12:00 — 13:25 London — Dublin
EI159 Aer Lingus
3h 10m stop
16:45 — 18:45 Dublin — Boston
EI137 Aer Lingus
13:05 — 16:00
7h 55m flight time
Find flight
from$422
London — Boston
AF9658 Air France
13:30 — 16:10
7h 40m flight time
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from$481
London — Boston
AA109 American Airlines
13:30 — 16:10
7h 40m flight time
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from$1528
London — Boston
AY3779 Finnair
17:05 — 19:45
7h 40m flight time
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from$1520
London — Boston
AA6927 American Airlines
17:05 — 19:45
7h 40m flight time
Find flight
from$1538
London — Boston
AY5503 Finnair
19:10 — 21:55
7h 45m flight time
Find flight
from$1520
London — Boston
AA6982 American Airlines
Full flight schedule will help you in detecting at what time planes fly from London to Boston. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
*Departure and arrival times - local. Updated on November 20, 2025.

Popular Airlines on the Route

The flight London — Boston is served by 36 regular airlines and 8 low-cost airlines. Most of the flights on this route are operated by SATA International - 2 departures per week at the price of from $ 1073 . And the most expensive tickets are offered by Etihad Airways airline - from $ 7231.

Direct flights

There are 28 nonstop flights on the route. The fastest direct flight is AA109 by American Airlines takes 7h 40m and the cheapest is EI159 by Aer Lingus for $422.

  • AA - American Airlines
    from $481
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  • KL - KLM
    from $1603
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  • B6 - JetBlue
    from $1075
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  • EI - Aer Lingus
    from $1583
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  • AF - Air France
    from $422
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  • AY - Finnair
    from $1528
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  • DL - Delta Air Lines Inc.
    from $1657
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  • IB - Iberia
    from $1544
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  • TP - TAP Portugal
    from $1513
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  • VS - Virgin Atlantic Airways
    from $1671
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  • BA - British Airways
    from $1544
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See more direct flights

Connecting Flights

There are 638 flights with layovers on the route. The fastest connecting flight is EI153 by Aer Lingus takes 10h 5m and the cheapest is EI159 by Aer Lingus for $394.

  • S4 - SATA International
    from $1073
    Find
  • JL - Japan Airlines - JAL
    from $6563
    Find
  • FI - Icelandair
    from $590
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  • VY - Vueling
    from $765
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  • LO - LOT
    from $1742
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  • LS - Jet2.com
    from $692
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  • DL - Delta Air Lines Inc.
    from $1670
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  • LX - SWISS International Air Lines
    from $839
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  • UA - United Airlines
    from $1247
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  • A3 - Aegean Airlines
    from $858
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  • DY - Norwegian
    from $819
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  • SK - SAS
    from $731
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See more connecting flights

Airports

You can fly from London to Boston from 10 airports (London City, London-Waterloo, Heathrow, Luton, British Rail Terminal, London Biggin Hill, Stansted, Gatwick, Ebbsfleet International Rail St, Stratford International Rail St).

London airports

  • London City-LCY
    from $538
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  • London-Waterloo-QQW
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  • Heathrow-LHR
    from $394
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  • Luton-LTN
    from $699
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  • British Rail Terminal-ZLX
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  • London Biggin Hill-BQH
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  • Stansted-STN
    from $692
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  • Gatwick-LGW
    from $533
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  • Ebbsfleet International Rail St-XQE
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  • Stratford International Rail St-XOF
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Boston airports

  • Boston City Heliport-JBC
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  • Boston RT128 Rail-ZRU
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  • Boston South Rail-ZTO
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  • Logan-BOS
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How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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