Browse Origins:

Find Flight Deals from United States to United Kingdom

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights to United Kingdom

(Round-trip)
Depart: Sun Aug 30 2015 Return: Thu Sep 3 2015 Trip spans 5 days
SWISS
SWISS
BOS
5:40p
LHR
7:15a
13h 35m
1 stop
LHR
9:45a
BOS
8:55p
11h 10m
1 stop
Depart: Mon Apr 27 2015 Return: Sun May 3 2015 Trip spans 7 days
WOW air
WOW air
BOS
2:55p
LGW
1:50a
10h 55m
1 stop
LGW
8:20a
BOS
6:30p
10h 10m
1 stop
Depart: Tue Mar 31 2015 Return: Thu Apr 2 2015 Trip spans 3 days
KLM Royal Dutch
KLM Royal Dutch
ORD
11:00a
LHR
10:45p
11h 45m
1 stop
LHR
2:30a
ORD
4:10p
13h 40m
1 stop
Depart: Sun Mar 8 2015 Return: Sun Mar 15 2015 Trip spans 8 days
Norwegian
Norwegian
LAX
3:20p
LGW
1:50a
10h 30m
nonstop
LGW
8:50a
LAX
8:20p
11h 30m
nonstop
Depart: Sat Mar 14 2015 Return: Mon Mar 16 2015 Trip spans 3 days
Multiple Airlines
Multiple Airlines
LAX
6:00p
LHR
9:30a
15h 30m
1 stop
LHR
2:50a
LAX
11:25p
20h 35m
2 stops
Depart: Sun Sep 27 2015 Return: Tue Sep 29 2015 Trip spans 3 days
Norwegian
Norwegian
JFK
5:55p
LGW
10:05a
16h 10m
2 stops
LGW
2:00p
JFK
10:00p
8h 00m
nonstop
Depart: Fri Mar 6 2015 Return: Sun Mar 8 2015 Trip spans 3 days
Delta
Delta
PHL
7:59a
LHR
8:50p
12h 51m
1 stop
LHR
1:30a
PHL
9:20p
18h 50m
2 stops
Depart: Sun Mar 22 2015 Return: Wed Apr 1 2015 Trip spans 11 days
Multiple Airlines
Multiple Airlines
EWR
3:10p
EDI
11:35a
20h 25m
1 stop
EDI
5:05p
EWR
12:30p
19h 25m
1 stop
Depart: Sat Apr 4 2015 Return: Sat Apr 18 2015 Trip spans 15 days
Norwegian
Norwegian
MCO
5:35p
LGW
1:50a
8h 15m
nonstop
LGW
11:40a
MCO
8:50p
9h 10m
nonstop
Depart: Tue Mar 24 2015 Return: Wed Apr 15 2015 Trip spans 23 days
Multiple Airlines
Multiple Airlines
EWR
4:35a
LTN
3:05p
34h 30m
2 stops
LTN
2:30a
EWR
11:32p
21h 02m
2 stops
Depart: Fri Sep 18 2015 Return: Sun Sep 20 2015 Trip spans 3 days
United
United
EWR
4:15p
LHR
5:35a
13h 20m
1 stop
LHR
2:40a
EWR
4:30p
13h 50m
1 stop
Depart: Tue Sep 22 2015 Return: Tue Sep 29 2015 Trip spans 8 days
Air India
Air India
JFK
5:00p
LHR
12:00a
7h 00m
nonstop
LHR
11:30a
JFK
7:30p
8h 00m
nonstop
Depart: Wed Mar 25 2015 Return: Tue Apr 7 2015 Trip spans 14 days
Multiple Airlines
Multiple Airlines
JFK
5:21p
LTN
9:15a
15h 54m
1 stop
LTN
4:05p
JFK
3:14p
23h 09m
1 stop
Depart: Fri Sep 11 2015 Return: Tue Oct 13 2015 Trip spans 33 days
Icelandair
Icelandair
EWR
4:45p
LGW
2:35a
9h 50m
1 stop
LGW
9:10a
EWR
8:00p
10h 50m
1 stop
Depart: Thu Mar 5 2015 Return: Tue Mar 10 2015 Trip spans 5 days
Virgin Atlantic
Virgin Atlantic
IAH
12:17p
LHR
12:00a
11h 43m
1 stop
LHR
6:10a
IAH
8:44p
14h 34m
1 stop
Depart: Thu Aug 27 2015 Return: Fri Aug 28 2015 Trip spans 2 days
Virgin Atlantic
Virgin Atlantic
DCA
2:00a
LHR
11:10a
9h 10m
1 stop
LHR
6:10a
DCA
8:00p
13h 50m
1 stop
Depart: Sat Mar 7 2015 Return: Mon Mar 23 2015 Trip spans 16 days
Delta
Delta
MDW
12:59p
LHR
10:45p
32h 46m
1 stop
LHR
6:10a
MDW
6:58p
12h 48m
1 stop
Depart: Wed Sep 9 2015 Return: Wed Sep 23 2015 Trip spans 15 days
Multiple Airlines
Multiple Airlines
IAD
10:10a
LGW
2:40p
28h 30m
1 stop
LGW
8:20a
IAD
8:10p
11h 50m
1 stop
Depart: Sat May 16 2015 Return: Sun May 24 2015 Trip spans 9 days
Multiple Airlines
Multiple Airlines
JFK
1:30p
STN
12:40a
11h 10m
1 stop
STN
4:15a
JFK
7:30p
15h 15m
1 stop
Depart: Sun May 31 2015 Return: Tue Jun 2 2015 Trip spans 3 days
KLM Royal Dutch
KLM Royal Dutch
IAD
3:18p
LHR
3:15a
11h 57m
1 stop
LHR
2:30a
IAD
4:30p
14h 00m
1 stop
Change your search
Airports
Origin

New York
$660
Chicago
only $631
only $739
Orlando
$687
Los Angeles
$651
Newark
$682
Philadelphia
$662
Washington
only $744
only $734
Houston
$730
Boston
$590
Destination

London
only $590
only $691
only $614
only $749
Edinburgh
$682