Find Cheap Flights from London to United States

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from London to United States

(Round-trip)
Depart: Wed Nov 29 2017 Return: Mon Jan 8 2018 Trip spans 41 days
Norwegian
Norwegian
LGW
JFK
8h 20m
nonstop
JFK
LGW
6h 30m
nonstop
Depart: Fri Sep 29 2017 Return: Sat Oct 21 2017 Trip spans 23 days
WOW air
WOW air
LGW
MIA
16h 20m
1 stop
MIA
LGW
12h 55m
1 stop
Depart: Thu Nov 2 2017 Return: Sun Nov 5 2017 Trip spans 4 days
British Airways
British Airways
LHR
BOS
7h 45m
nonstop
BOS
LHR
6h 30m
nonstop
Depart: Wed Jan 31 2018 Return: Mon Feb 5 2018 Trip spans 6 days
KLM
KLM
LHR
JFK
10h 25m
1 stop
JFK
LHR
11h 15m
1 stop
Depart: Mon Jan 15 2018 Return: Thu Jan 25 2018 Trip spans 11 days
Virgin Atlantic
Virgin Atlantic
LHR
BOS
8h 07m
nonstop
BOS
LHR
6h 20m
nonstop
Depart: Sun Dec 3 2017 Return: Sun Dec 10 2017 Trip spans 8 days
Icelandair
Icelandair
LGW
EWR
10h 55m
1 stop
EWR
LGW
10h 00m
1 stop
Depart: Wed Jan 10 2018 Return: Mon Jan 15 2018 Trip spans 6 days
Lufthansa
Lufthansa
LCY
JFK
17h 20m
1 stop
JFK
LCY
10h 45m
1 stop
Depart: Wed Feb 28 2018 Return: Sun Mar 4 2018 Trip spans 5 days
Air France
Air France
LHR
JFK
11h 15m
1 stop
JFK
LHR
9h 50m
1 stop
Depart: Mon Feb 12 2018 Return: Sun Feb 18 2018 Trip spans 7 days
SWISS
SWISS
LCY
EWR
22h 35m
1 stop
EWR
LCY
12h 45m
1 stop
Depart: Fri Nov 24 2017 Return: Mon Dec 11 2017 Trip spans 18 days
Air India
Air India
LHR
EWR
7h 30m
nonstop
EWR
LHR
5h 50m
nonstop
Depart: Sat Feb 10 2018 Return: Sat Feb 17 2018 Trip spans 8 days
Air New Zealand
Air New Zealand
LHR
LAX
11h 25m
nonstop
LAX
LHR
10h 30m
nonstop
Depart: Wed Jan 17 2018 Return: Sun Jan 28 2018 Trip spans 12 days
TAP Portugal
TAP Portugal
LHR
MIA
25h 45m
1 stop
MIA
LHR
23h 45m
1 stop
Depart: Wed Jan 10 2018 Return: Wed Jan 31 2018 Trip spans 22 days
Austrian Airlines
Austrian Airlines
LHR
EWR
8h 20m
nonstop
EWR
LHR
7h 05m
nonstop
Depart: Wed Dec 6 2017 Return: Mon Dec 11 2017 Trip spans 6 days
Delta
Delta
LHR
OAK
24h 05m
2 stops
OAK
LHR
23h 45m
2 stops
Depart: Thu Dec 7 2017 Return: Thu Dec 14 2017 Trip spans 8 days
Aer Lingus
Aer Lingus
LHR
JFK
10h 35m
1 stop
JFK
LHR
9h 25m
1 stop
Depart: Fri Feb 2 2018 Return: Mon Feb 5 2018 Trip spans 4 days
Finnair
Finnair
LHR
BWI
8h 15m
nonstop
BWI
LHR
7h 00m
nonstop
Depart: Sun Nov 5 2017 Return: Wed Nov 15 2017 Trip spans 11 days
WestJet
WestJet
LGW
LGA
12h 00m
1 stop
LGA
LGW
11h 16m
1 stop
Depart: Mon Feb 12 2018 Return: Mon Feb 19 2018 Trip spans 8 days
Brussels Airlines
Brussels Airlines
LHR
ORD
9h 10m
nonstop
ORD
LHR
7h 50m
nonstop
Depart: Wed Dec 20 2017 Return: Thu Jan 4 2018 Trip spans 16 days
United
United
LHR
IAD
8h 30m
nonstop
IAD
LHR
7h 05m
nonstop
Depart: Tue Jan 9 2018 Return: Thu Jan 25 2018 Trip spans 17 days
Norwegian
Norwegian
LGW
JFK
8h 20m
nonstop
JFK
LGW
6h 30m
nonstop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

London
only $398
only $428
only $335
Destination

New York
only $550
only $335
Baltimore
$507
Chicago
$641
Los Angeles
$454
Newark
$419
Oakland
$469
Washington
$656
Miami
$340
Boston
$398