Find Deals on 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
Students
under 26
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: Tue May 16 2017 Return: Wed May 24 2017 Trip spans 9 days
KLM
KLM
LHR
EWR
12h 10m
1 stop
EWR
LHR
11h 59m
1 stop
Depart: Mon May 1 2017 Return: Thu May 11 2017 Trip spans 11 days
WOW air
WOW air
LGW
MIA
15h 30m
1 stop
MIA
LGW
13h 00m
1 stop
Depart: Wed Feb 1 2017 Return: Fri Feb 3 2017 Trip spans 3 days
Major Airline
Major Airline
LHR
BOS
7h 35m
nonstop
BOS
LHR
6h 15m
nonstop
Depart: Fri Mar 17 2017 Return: Thu Mar 23 2017 Trip spans 7 days
Norwegian
Norwegian
LGW
JFK
8h 20m
nonstop
JFK
LGW
6h 30m
nonstop
Depart: Wed Mar 1 2017 Return: Mon Mar 6 2017 Trip spans 6 days
Virgin Atlantic
Virgin Atlantic
LHR
BOS
7h 35m
nonstop
BOS
LHR
6h 48m
nonstop
Depart: Tue Feb 28 2017 Return: Tue Mar 7 2017 Trip spans 8 days
Austrian Airlines
Austrian Airlines
LHR
EWR
8h 20m
nonstop
EWR
LHR
7h 00m
nonstop
Depart: Wed May 31 2017 Return: Thu Jun 8 2017 Trip spans 9 days
Air France
Air France
LHR
JFK
12h 10m
1 stop
JFK
LHR
10h 30m
1 stop
Depart: Tue Feb 28 2017 Return: Tue Mar 7 2017 Trip spans 8 days
British Airways
British Airways
LGW
JFK
22h 20m
1 stop
JFK
LGW
11h 40m
1 stop
Depart: Mon Feb 13 2017 Return: Mon Feb 20 2017 Trip spans 8 days
Delta
Delta
LHR
EWR
14h 13m
1 stop
EWR
LHR
11h 41m
1 stop
Depart: Tue Mar 21 2017 Return: Tue Mar 28 2017 Trip spans 8 days
Icelandair
Icelandair
LGW
EWR
10h 30m
1 stop
EWR
LGW
9h 50m
1 stop
Depart: Fri Jan 20 2017 Return: Fri Jan 27 2017 Trip spans 8 days
Air India
Air India
LHR
EWR
8h 20m
nonstop
EWR
LHR
6h 50m
nonstop
Depart: Wed Apr 5 2017 Return: Tue Apr 18 2017 Trip spans 14 days
SWISS
SWISS
LCY
EWR
12h 45m
1 stop
EWR
LCY
14h 50m
1 stop
Depart: Tue Feb 28 2017 Return: Tue Mar 7 2017 Trip spans 8 days
Lufthansa
Lufthansa
LCY
EWR
13h 10m
1 stop
EWR
LCY
10h 10m
1 stop
Depart: Mon Apr 3 2017 Return: Mon Apr 10 2017 Trip spans 8 days
Finnair
Finnair
LHR
JFK
25h 15m
1 stop
JFK
LHR
7h 10m
nonstop
Depart: Tue Mar 21 2017 Return: Tue Mar 28 2017 Trip spans 8 days
Air Canada
Air Canada
LHR
LGA
10h 13m
1 stop
LGA
LHR
8h 45m
1 stop
Depart: Wed Feb 15 2017 Return: Sun Feb 19 2017 Trip spans 5 days
Brussels Airlines
Brussels Airlines
LHR
LGA
13h 09m
1 stop
LGA
LHR
8h 50m
1 stop
Depart: Sat Jan 28 2017 Return: Tue Feb 7 2017 Trip spans 11 days
WestJet
WestJet
LGW
LGA
33h 48m
1 stop
LGA
LGW
11h 15m
1 stop
Depart: Mon May 22 2017 Return: Thu Jun 1 2017 Trip spans 11 days
Air New Zealand
Air New Zealand
LHR
LAX
11h 10m
nonstop
LAX
LHR
10h 30m
nonstop
Depart: Fri May 26 2017 Return: Sun Jun 4 2017 Trip spans 10 days
Air Europa
Air Europa
LGW
MIA
13h 45m
1 stop
MIA
LGW
13h 50m
1 stop
Depart: Fri Jan 27 2017 Return: Mon Jan 30 2017 Trip spans 4 days
TAP Portugal
TAP Portugal
LGW
JFK
14h 35m
1 stop
JFK
LGW
11h 00m
1 stop
* 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.

We compile tonnes of data for you
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 $327
only $429
only $338
Destination

New York
only $452
only $369
Los Angeles
$508
Newark
$327
Miami
$338
Boston
$363