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: Tue Sep 26 2017 Return: Sat Oct 7 2017 Trip spans 12 days
Norwegian
Norwegian
LGW
JFK
8h 00m
nonstop
JFK
LGW
7h 00m
nonstop
Depart: Fri Nov 17 2017 Return: Fri Nov 24 2017 Trip spans 8 days
Virgin Atlantic
Virgin Atlantic
LHR
BOS
7h 35m
nonstop
BOS
LHR
6h 20m
nonstop
Depart: Thu Nov 2 2017 Return: Tue Nov 14 2017 Trip spans 13 days
SWISS
SWISS
LCY
EWR
22h 45m
1 stop
EWR
LCY
12h 45m
1 stop
Depart: Thu Oct 12 2017 Return: Sun Oct 22 2017 Trip spans 11 days
TAP Portugal
TAP Portugal
LHR
BOS
22h 30m
1 stop
BOS
LHR
19h 30m
1 stop
Depart: Thu Sep 21 2017 Return: Wed Nov 15 2017 Trip spans 56 days
KLM
KLM
LHR
JFK
11h 40m
1 stop
JFK
LHR
9h 15m
1 stop
Depart: Fri Oct 6 2017 Return: Mon Oct 9 2017 Trip spans 4 days
Air France
Air France
LHR
JFK
12h 10m
1 stop
JFK
LHR
10h 30m
1 stop
Depart: Tue Oct 10 2017 Return: Tue Oct 17 2017 Trip spans 8 days
WOW air
WOW air
LGW
SFO
16h 50m
1 stop
SFO
LGW
14h 10m
1 stop
Depart: Thu Sep 21 2017 Return: Thu Oct 5 2017 Trip spans 15 days
Lufthansa
Lufthansa
LCY
JFK
15h 45m
1 stop
JFK
LCY
13h 25m
1 stop
Depart: Fri Sep 22 2017 Return: Sun Sep 24 2017 Trip spans 3 days
Austrian Airlines
Austrian Airlines
LHR
EWR
8h 25m
nonstop
EWR
LHR
7h 05m
nonstop
Depart: Tue Sep 5 2017 Return: Mon Sep 11 2017 Trip spans 7 days
British Airways
British Airways
LHR
JFK
10h 00m
1 stop
JFK
LHR
7h 10m
nonstop
Depart: Wed Oct 4 2017 Return: Wed Oct 11 2017 Trip spans 8 days
Icelandair
Icelandair
LGW
EWR
11h 05m
1 stop
EWR
LGW
10h 00m
1 stop
Depart: Thu Oct 19 2017 Return: Mon Oct 23 2017 Trip spans 5 days
Delta
Delta
LHR
JFK
14h 15m
1 stop
JFK
LHR
11h 43m
1 stop
Depart: Mon Nov 6 2017 Return: Tue Nov 21 2017 Trip spans 16 days
Air New Zealand
Air New Zealand
LHR
LAX
11h 25m
nonstop
LAX
LHR
10h 30m
nonstop
Depart: Wed Jun 7 2017 Return: Fri Jun 23 2017 Trip spans 17 days
Thomas Cook Airlines
Thomas Cook Airlines
LGW
MCO
9h 20m
nonstop
MCO
LGW
8h 30m
nonstop
Depart: Wed Jun 21 2017 Return: Mon Jun 26 2017 Trip spans 6 days
United
United
LHR
EWR
10h 50m
1 stop
EWR
LHR
7h 10m
nonstop
Depart: Wed May 31 2017 Return: Wed Jun 7 2017 Trip spans 8 days
Flybe
Flybe
LHR
EWR
10h 20m
1 stop
EWR
LHR
7h 10m
nonstop
Depart: Fri Nov 24 2017 Return: Mon Nov 27 2017 Trip spans 4 days
Aer Lingus
Aer Lingus
LGW
EWR
12h 15m
1 stop
EWR
LGW
11h 25m
1 stop
Depart: Tue Jun 6 2017 Return: Wed Jun 21 2017 Trip spans 16 days
Brussels Airlines
Brussels Airlines
LHR
LGA
12h 42m
1 stop
LGA
LHR
11h 15m
1 stop
Depart: Thu Oct 19 2017 Return: Thu Nov 2 2017 Trip spans 15 days
Finnair
Finnair
LHR
SJC
11h 00m
nonstop
SJC
LHR
10h 05m
nonstop
Depart: Sun Oct 22 2017 Return: Fri Oct 27 2017 Trip spans 6 days
Major Airline
Major Airline
LHR
SEA
9h 55m
nonstop
SEA
LHR
9h 10m
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.

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 $376
only $378
only $352
Destination

San Francisco
$406
New York
only $555
only $352
Seattle
$620
Orlando
$469
Los Angeles
$448
Newark
$378
San Jose
$597
Boston
$376