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Find Flight Deals from United States to London

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

Book cheap flights to London

(Round-trip)
Depart: Mon Apr 27 2015 Return: Tue May 5 2015 Trip spans 9 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: Wed Mar 25 2015 Return: Thu Mar 26 2015 Trip spans 2 days
Air France
Air France
IAH
1:30p
LHR
1:25a
11h 55m
1 stop
LHR
8:50a
IAH
12:16a
15h 26m
1 stop
Depart: Tue Mar 3 2015 Return: Wed Mar 4 2015 Trip spans 2 days
Lufthansa
Lufthansa
LAX
3:50a
LHR
6:55p
15h 05m
1 stop
LHR
5:30a
LAX
4:50p
11h 20m
nonstop
Depart: Wed Mar 18 2015 Return: Fri Mar 20 2015 Trip spans 3 days
KLM Royal Dutch
KLM Royal Dutch
PHL
8:25a
LHR
3:00a
18h 35m
1 stop
LHR
2:30a
PHL
10:12p
19h 42m
2 stops
Depart: Mon Sep 28 2015 Return: Mon Oct 12 2015 Trip spans 15 days
Norwegian
Norwegian
JFK
6:30p
LGW
1:30a
7h 00m
nonstop
LGW
2:00p
JFK
10:00p
8h 00m
nonstop
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 15 2015 Return: Thu Sep 17 2015 Trip spans 3 days
Air India
Air India
JFK
5:00p
LHR
12:00a
7h 00m
nonstop
LHR
11:30a
JFK
7:30p
8h 00m
nonstop
Depart: Sat Apr 18 2015 Return: Sun Apr 19 2015 Trip spans 2 days
Air Canada
Air Canada
BOS
1:50p
LHR
10:30p
8h 40m
1 stop
LHR
8:35a
BOS
6:04p
9h 29m
1 stop
Depart: Sat Apr 25 2015 Return: Sun Apr 26 2015 Trip spans 2 days
Air Canada
Air Canada
MSP
12:30p
LHR
6:00a
17h 30m
2 stops
LHR
2:00p
MSP
5:52p
27h 52m
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: Sun Mar 15 2015 Return: Mon Mar 23 2015 Trip spans 9 days
Multiple Airlines
Multiple Airlines
JFK
3:20p
LTN
9:15a
17h 55m
2 stops
LTN
2:30a
JFK
1:55p
35h 25m
2 stops
Depart: Mon May 18 2015 Return: Tue May 19 2015 Trip spans 2 days
Virgin Atlantic
Virgin Atlantic
IAD
1:11p
LHR
11:00p
9h 49m
1 stop
LHR
7:00a
IAD
3:15p
8h 15m
nonstop
Depart: Thu Mar 26 2015 Return: Sun Apr 5 2015 Trip spans 11 days
Multiple Airlines
Multiple Airlines
EWR
12:25p
LTN
3:05p
26h 40m
3 stops
LTN
2:30a
EWR
7:14p
16h 44m
2 stops
Depart: Wed Aug 26 2015 Return: Mon Sep 7 2015 Trip spans 13 days
Icelandair
Icelandair
EWR
4:45p
LGW
2:45a
10h 00m
1 stop
LGW
9:10a
EWR
8:00p
10h 50m
1 stop
Depart: Tue Mar 17 2015 Return: Thu Mar 19 2015 Trip spans 3 days
Delta
Delta
HOU
9:57a
LHR
9:55p
11h 58m
1 stop
LHR
8:50a
HOU
11:08p
14h 18m
1 stop
Depart: Wed May 13 2015 Return: Thu May 14 2015 Trip spans 2 days
Virgin Atlantic
Virgin Atlantic
DCA
2:15p
LHR
12:25a
10h 10m
1 stop
LHR
10:25a
DCA
10:22p
11h 57m
1 stop
Depart: Sat Mar 7 2015 Return: Mon Mar 16 2015 Trip spans 9 days
Delta
Delta
MDW
12:59p
LHR
8:55p
30h 56m
1 stop
LHR
8:50a
MDW
10:47p
13h 57m
1 stop
Depart: Sat Jul 4 2015 Return: Wed Jul 29 2015 Trip spans 26 days
Multiple Airlines
Multiple Airlines
EWR
1:20p
LCY
11:05p
33h 45m
2 stops
LCY
5:00p
EWR
3:55p
46h 55m
2 stops
Change your search
Airports
Origin

New York
$666
Minneapolis
$716
Chicago
only $631
only $739
Orlando
$721
Los Angeles
$645
Newark
$695
Philadelphia
$654
Washington
only $724
only $734
Houston
only $640
only $733
Boston
$626
Destination

London
only $631
only $722
only $811
only $626