Cheap Flights from London to Boston, MA from $329

Return flight: Boston – London

On Cheapflightsplus.com you will find 58 connecting flights from London to Boston. You can compare airfare deals from 12 airlines and multiple travel sites from $329, 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.

Find One-Way and Round-Trip London to Boston Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $329 (one-way), $564 (round-trip).
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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 Arrival Flight Details Flight Duration Price
06:00 — 19:50
06:00 — 08:45 TP1363 TAP Portugal
London — Lisbon
8h 35m stop
17:35 — 20:05 TP215 TAP Portugal
Lisbon — Boston
18h 50m
including layover
Find flight
from$422
08:15 — 17:50
08:15 — 09:35 FR271 Ryanair
London — Dublin
2h stop
11:35 — 13:15 OG881 Air Onix
Dublin — Reykjavik
2h 30m stop
15:45 — 17:50 OG111 Air Onix
Reykjavik — Boston
14h 35m
including layover
Find flight
from$375
08:50 — 14:40
08:50 — 10:15 EI153 Aer Lingus
London — Dublin
2h 25m stop
12:40 — 14:40 EI133 Aer Lingus
Dublin — Boston
10h 50m
including layover
Find flight
from$415
08:55 — 17:50
08:55 — 10:20 FR123 Ryanair
London — Dublin
1h 15m stop
11:35 — 13:15 OG881 Air Onix
Dublin — Reykjavik
2h 30m stop
15:45 — 17:50 OG111 Air Onix
Reykjavik — Boston
13h 55m
including layover
Find flight
from$391
09:15 — 19:50
09:15 — 12:40 IB712 Iberia
London — Madrid
4h 50m stop
17:30 — 19:50 AY5369 Finnair
Madrid — Boston
15h 35m
including layover
Find flight
from$414
09:15 — 19:50
09:15 — 12:40 IB712 Iberia
London — Madrid
4h 50m stop
17:30 — 19:50 IB345 Iberia
Madrid — Boston
15h 35m
including layover
Find flight
from$442
09:35 — 19:50
09:35 — 13:25 VY6014 Vueling
London — Seville
2h 20m stop
15:50 — 15:55 TP1105 TAP Portugal
Seville — Lisbon
1h 30m stop
17:20 — 19:50 TP215 TAP Portugal
Lisbon — Boston
15h 15m
including layover
Find flight
from$422
09:50 — 14:40
09:50 — 11:15 EI155 Aer Lingus
London — Dublin
1h 25m stop
12:40 — 14:40 EI133 Aer Lingus
Dublin — Boston
9h 50m
including layover
Find flight
from$415
10:50 — 19:50
10:50 — 14:15 IB714 Iberia
London — Madrid
3h 15m stop
17:30 — 19:50 AY5369 Finnair
Madrid — Boston
14h
including layover
Find flight
from$414
10:50 — 19:50
10:50 — 14:15 IB714 Iberia
London — Madrid
3h 15m stop
17:30 — 19:50 IB345 Iberia
Madrid — Boston
14h
including layover
Find flight
from$442
11:30 — 19:50
11:30 — 14:55 IB716 Iberia
London — Madrid
2h 35m stop
17:30 — 19:50 AY5369 Finnair
Madrid — Boston
13h 20m
including layover
Find flight
from$414
11:35 — 19:50
11:35 — 15:00 IB1862 Iberia
London — Madrid
2h 30m stop
17:30 — 19:50 AY5369 Finnair
Madrid — Boston
13h 15m
including layover
Find flight
from$410
11:40 — 17:50
11:40 — 13:45 OG801 Air Onix
London — Reykjavik
2h stop
15:45 — 17:50 OG111 Air Onix
Reykjavik — Boston
11h 10m
including layover
Find flight
from$366
13:25 — 18:45
13:25 — 14:50 EI163 Aer Lingus
London — Dublin
1h 55m stop
16:45 — 18:45 EI137 Aer Lingus
Dublin — Boston
10h 20m
including layover
Find flight
from$415
14:00 — 08:35
+1 day
14:00 — 18:25 Z0783 Z0
London — Orlando
11h 5m stop
05:30 — 08:40 F93348 Frontier Airlines
Orlando — Boston
23h 35m
including layover
Find flight
from$329
*Departure and arrival times - local. Updated on September 16, 2025

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 23:10 from 10 London airports and arrive 06:00 to 23:10 to 4 Boston airports. Average flight time is 14h 10m.

  • The fastest flight 9h 50m
  • Average flight time 14h 10m
  • The earliest flight 06:00
  • The latest flight 23:10
  • Distance 3270 ml

The cheapest months to travel to Boston are june (from 320 $), may (from 329 $), october (from 366 $).

The most expensive months are january (from 613 $), february (from 605 $), december (from 591 $).

What is the lowest airfare London to Boston?

The cheapest plane ticket found by our users is $329. This airfare is for economy class on one-way Z0783 flight by Z0 for August 3, 2025 which leaves Gatwick in London at 14:00 am and arrives at Boston Logan at 08:35.

Economy class
$329
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Business class
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First class
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Popular Airlines on the Route

The flight London — Boston is served by 12 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by Valuair - 1 departures per week at the price of from $ 586 . And the most expensive tickets are offered by Icelandair airline - from $ 642.

Direct flights

There’re no direct flights on this route. Try flights with stops.

Connecting Flights

There are 58 flights with layovers on the route. The fastest connecting flight is EI155 by Aer Lingus takes 9h 50m and the cheapest is Z0783 by Z0 for $329.

  • VF - Valuair
    from $586
    Find
  • VY - Vueling
    from $422
    Find
  • FI - Icelandair
    from $534
    Find
  • EI - Aer Lingus
    from $415
    Find
  • Z0 - Z0
    from $329
    Find
  • OG - Air Onix
    from $366
    Find
  • IB - Iberia
    from $410
    Find
  • FR - Ryanair
    from $375
    Find
  • TP - TAP Portugal
    from $422
    Find
  • WS - WestJet
    from $495
    Find
  • U2 - EasyJet
    from $457
    Find
  • BA - British Airways
    from $482
    Find
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
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  • London-Waterloo-QQW
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  • Heathrow-LHR
    from $414
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  • Luton-LTN
    from $519
    Find
  • British Rail Terminal-ZLX
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  • London Biggin Hill-BQH
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  • Stansted-STN
    from $366
    Find
  • Gatwick-LGW
    from $329
    Find
  • Ebbsfleet International Rail St-XQE
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  • Stratford International Rail St-XOF
    Find

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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