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Find flight deals from London to Boston (LON - BOS)

Flexible dates? Here are the best fares found in the past 48 hours...

Book cheap flights from London to Boston

(Round-trip)
Depart: Thu, 18 Sep, 2014 Return: Sat, 27 Sep, 2014 Trip spans 10 days
Icelandair
Icelandair
LGW
09:10
BOS
19:35
10h 25m
1 stop
BOS
10:35
LGW
02:45
16h 10m
1 stop
Depart: Tue, 2 Sep, 2014 Return: Wed, 1 Oct, 2014 Trip spans 30 days
Icelandair
Icelandair
LHR
17:10
BOS
20:00
26h 50m
1 stop
BOS
16:45
LHR
11:10
18h 25m
1 stop
Depart: Thu, 4 Sep, 2014 Return: Mon, 22 Sep, 2014 Trip spans 19 days
Icelandair
Icelandair
LHR
17:10
BOS
13:00
19h 50m
1 stop
BOS
10:35
LHR
11:10
24h 35m
1 stop
Depart: Mon, 25 Aug, 2014 Return: Mon, 8 Sep, 2014 Trip spans 15 days
American Airlines
American Airlines
LHR
11:15
BOS
22:45
11h 30m
1 stop
BOS
05:40
LHR
22:45
17h 05m
1 stop
Depart: Thu, 21 Aug, 2014 Return: Wed, 3 Sep, 2014 Trip spans 14 days
United
United
LHR
08:00
BOS
19:32
11h 32m
1 stop
BOS
03:05
LHR
12:20
9h 15m
1 stop
Depart: Sat, 30 Aug, 2014 Return: Wed, 17 Sep, 2014 Trip spans 19 days
American Airlines
American Airlines
LHR
06:30
BOS
22:45
16h 15m
1 stop
BOS
05:40
LHR
22:45
17h 05m
1 stop
Depart: Tue, 19 Aug, 2014 Return: Thu, 4 Sep, 2014 Trip spans 17 days
United
United
LHR
07:40
BOS
00:47
17h 07m
1 stop
BOS
03:05
LHR
12:20
9h 15m
1 stop
Depart: Fri, 29 Aug, 2014 Return: Thu, 18 Sep, 2014 Trip spans 21 days
Virgin Atlantic
Virgin Atlantic
LHR
05:40
BOS
13:17
7h 37m
1 stop
BOS
13:37
LHR
23:45
10h 08m
1 stop
Depart: Fri, 22 Aug, 2014 Return: Mon, 8 Sep, 2014 Trip spans 18 days
Virgin Atlantic
Virgin Atlantic
LHR
10:00
BOS
00:21
14h 21m
direct
BOS
17:40
LHR
00:10
6h 30m
direct
Depart: Sun, 31 Aug, 2014 Return: Sat, 6 Sep, 2014 Trip spans 7 days
US Airways
US Airways
LHR
08:15
BOS
22:27
14h 12m
1 stop
BOS
13:05
LHR
22:50
33h 45m
1 stop
Depart: Mon, 18 Aug, 2014 Return: Tue, 26 Aug, 2014 Trip spans 9 days
KLM Royal Dutch
KLM Royal Dutch
LHR
17:00
BOS
13:59
20h 59m
1 stop
BOS
15:23
LHR
01:45
10h 22m
1 stop
Depart: Sat, 23 Aug, 2014 Return: Mon, 8 Sep, 2014 Trip spans 17 days
United
United
LHR
12:20
BOS
00:40
12h 20m
1 stop
BOS
10:39
LHR
22:40
12h 01m
1 stop
Depart: Sun, 24 Aug, 2014 Return: Sun, 7 Sep, 2014 Trip spans 15 days
US Airways
US Airways
LHR
08:15
BOS
19:33
11h 18m
1 stop
BOS
14:30
LHR
01:00
10h 30m
1 stop
Depart: Sun, 10 Aug, 2014 Return: Wed, 3 Sep, 2014 Trip spans 25 days
American Airlines
American Airlines
LHR
11:15
BOS
22:20
11h 05m
1 stop
BOS
10:30
LHR
00:00
13h 30m
1 stop
Depart: Sun, 17 Aug, 2014 Return: Sat, 23 Aug, 2014 Trip spans 7 days
US Airways
US Airways
LHR
10:05
BOS
17:35
31h 30m
2 stops
BOS
04:00
LHR
01:00
45h 00m
2 stops
Change your search
Direct flights LON - BOS on British Airways
Flight No. Departure LHR Arrival BOS Sun Mon Tue Wed Thu Fri Sat Valid between
213 11:15 13:25 4 Sep - 12 Sep
213 11:15 13:25 14 Aug - 14 Aug
213 11:15 13:25 23 Aug - 25 Aug
213 11:15 13:25 26 Aug - 3 Sep
213 11:15 13:25 16 Aug - 16 Aug
213 11:15 13:25 15 Aug - 22 Aug
213 11:15 13:25 6 Sep - 10 Sep
213 11:15 13:25 13 Aug - 13 Aug
213 11:15 13:25 1 Aug - 12 Aug
203 17:00 19:10 8 Aug - 22 Aug
203 17:00 19:10 9 Aug - 23 Aug
203 17:00 19:10 11 Aug - 18 Aug
203 17:00 19:10 7 Sep - 14 Sep
203 17:00 19:10 24 Aug - 1 Sep
203 17:00 19:10 26 Aug - 30 Aug
203 17:00 19:10 3 Sep - 6 Sep
203 17:00 19:10 28 Aug - 28 Aug
203 17:00 19:10 2 Sep - 2 Sep
215 18:00 20:05 26 Aug - 27 Aug
215 18:00 20:05 31 Jul - 25 Aug
215 18:00 20:05 28 Aug - 5 Sep
215 18:00 20:05 30 Aug - 30 Aug
215 18:00 20:05 6 Sep - 27 Sep
239 19:25 21:40 31 Jul - 23 Aug
239 19:25 21:40 3 Aug - 17 Aug
239 19:25 21:40 24 Aug - 30 Aug
239 19:25 21:40 1 Sep - 13 Sep
239 19:25 21:40 31 Aug - 31 Aug
Airports
Origin

London
only £449
only £593
only £715
only £791
Destination

Boston
£791