Cheap Flights from London to Boston, MA from $389

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 $389, 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: $389 (one-way), $667 (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$644
07:35 — 19:50
07:00 — 09:55 U22459 EasyJet
London — Lisbon
6h 50m stop
17:35 — 20:05 TP215 TAP Portugal
Lisbon — Boston
17h 15m
including layover
Find flight
from$5389
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$409
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$440
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$409
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$440
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$470
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$436
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$389
12:10 — 18:45
08:55 — 10:20 FR113 Ryanair
London — Dublin
3h 10m stop
16:45 — 18:45 EI137 Aer Lingus
Dublin — Boston
11h 35m
including layover
Find flight
from$602
12:25 — 19:50
12:25 — 15:15 U22461 EasyJet
London — Lisbon
2h 5m stop
17:35 — 20:05 TP215 TAP Portugal
Lisbon — Boston
12h 25m
including layover
Find flight
from$551
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$409
13:25 — 18:45
13:25 — 14:50 BA5963 British Airways
London — Dublin
1h 55m stop
16:45 — 18:45 BA6137 British Airways
Dublin — Boston
10h 20m
including layover
Find flight
from$491
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$813
15:40 — 22:00
15:40 — 17:55 FI473 Icelandair
London — Reykjavik
2h 15m stop
20:10 — 22:00 FI633 Icelandair
Reykjavik — Boston
11h 20m
including layover
Find flight
from$621
15:40 — 18:50
+1 day
15:40 — 17:55 FI473 Icelandair
London — Reykjavik
23h 15m stop
17:10 — 18:50 FI631 Icelandair
Reykjavik — Boston
32h 10m
including layover
Find flight
from$643
16:35 — 14:20
+1 day
16:35 — 19:20 TP1361 TAP Portugal
London — Lisbon
16h 15m stop
11:45 — 14:20 TP217 TAP Portugal
Lisbon — Boston
26h 45m
including layover
Find flight
from$645
16:35 — 20:05
+1 day
16:35 — 19:20 TP1361 TAP Portugal
London — Lisbon
22h 5m stop
17:35 — 20:05 TP215 TAP Portugal
Lisbon — Boston
32h 30m
including layover
Find flight
from$668
18:20 — 21:15
+1 day
18:20 — 21:30 VY7825 Vueling
London — Barcelona
21h stop
18:30 — 21:15 VY9795 Vueling
Barcelona — Boston
31h 55m
including layover
Find flight
from$6183
18:45 — 14:20
+1 day
18:45 — 21:30 TP1357 TAP Portugal
London — Lisbon
14h 15m stop
11:45 — 14:20 TP217 TAP Portugal
Lisbon — Boston
24h 35m
including layover
Find flight
from$643
19:50 — 14:20
+1 day
19:55 — 22:40 TP1369 TAP Portugal
London — Lisbon
13h 10m stop
11:45 — 14:30 TP217 TAP Portugal
Lisbon — Boston
23h 30m
including layover
Find flight
from$643
20:25 — 14:20
+1 day
20:25 — 23:10 BA504 British Airways
London — Lisbon
12h 35m stop
11:45 — 14:20 TP217 TAP Portugal
Lisbon — Boston
22h 55m
including layover
Find flight
from$661
21:25 — 11:35
+1 day
21:25 — 23:35 FI455 Icelandair
London — Reykjavik
10h 20m stop
09:55 — 11:35 FI635 Icelandair
Reykjavik — Boston
19h 10m
including layover
Find flight
from$610
21:25 — 18:50
+1 day
21:25 — 23:35 FI455 Icelandair
London — Reykjavik
17h 35m stop
17:10 — 18:50 FI631 Icelandair
Reykjavik — Boston
26h 25m
including layover
Find flight
from$647
07:15 — 17:50
07:05 — 09:50 FR7384 Ryanair
London — Copenhagen
2h 35m stop
12:35 — 13:55 OG901 Air Onix
Copenhagen — Reykjavik
1h 50m stop
15:45 — 17:50 OG111 Air Onix
Reykjavik — Boston
15h 35m
including layover
Find flight
from$520
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$399
23:10 — 18:45
+1 day
23:10 — 05:10 VF1992 Valuair
London — Istanbul
5h 15m stop
10:25 — 13:05 PC1157 Pegasus Airlines
Istanbul — Dublin
3h 40m stop
16:45 — 18:45 EI137 Aer Lingus
Dublin — Boston
24h 35m
including layover
Find flight
from$622
*Departure and arrival times - local. Updated on July 30, 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 340 $), may (from 349 $), october (from 389 $).

The most expensive months are january (from 651 $), february (from 643 $), december (from 628 $).

What is the lowest airfare London to Boston?

The cheapest plane ticket found by our users is $389. This airfare is for economy class on one-way OG801 flight by Air Onix for October 7, 2025 which leaves Stansted in London at 11:40 am and arrives at Boston Logan at 17:50.

Economy class
$389
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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 $ 622 . And the most expensive tickets are offered by British Airways airline - from $ 13529.

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 OG801 by Air Onix for $389.

  • VF - Valuair
    from $622
    Find
  • VY - Vueling
    from $574
    Find
  • FI - Icelandair
    from $610
    Find
  • EI - Aer Lingus
    from $409
    Find
  • Z0 - Z0
    from $813
    Find
  • OG - Air Onix
    from $389
    Find
  • IB - Iberia
    from $436
    Find
  • FR - Ryanair
    from $399
    Find
  • TP - TAP Portugal
    from $630
    Find
  • WS - WestJet
    from $659
    Find
  • U2 - EasyJet
    from $551
    Find
  • BA - British Airways
    from $491
    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 $409
    Find
  • Luton-LTN
    from $551
    Find
  • British Rail Terminal-ZLX
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  • London Biggin Hill-BQH
    Find
  • Stansted-STN
    from $389
    Find
  • Gatwick-LGW
    from $436
    Find
  • Ebbsfleet International Rail St-XQE
    Find
  • 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
    Find
  • Logan-BOS
    Find

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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