Find Deals on Flights from United States to London

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 to London

(Round-trip)
Depart: Mon Apr 25 2016 Return: Thu May 5 2016 Trip spans 11 days
Norwegian
Norwegian
BOS
LGW
6h 20m
nonstop
LGW
BOS
7h 15m
nonstop
Depart: Mon Feb 8 2016 Return: Mon Feb 15 2016 Trip spans 8 days
Norwegian
Norwegian
JFK
LGW
6h 30m
nonstop
LGW
JFK
8h 20m
nonstop
Depart: Mon May 9 2016 Return: Fri May 13 2016 Trip spans 5 days
Icelandair
Icelandair
EWR
LGW
10h 00m
1 stop
LGW
EWR
10h 50m
1 stop
Depart: Tue May 17 2016 Return: Tue May 24 2016 Trip spans 8 days
Major Airline
Major Airline
JFK
LHR
10h 50m
1 stop
LHR
JFK
12h 40m
1 stop
Depart: Thu Mar 3 2016 Return: Thu Apr 28 2016 Trip spans 56 days
Norwegian
Norwegian
LAX
LGW
10h 30m
nonstop
LGW
LAX
11h 20m
nonstop
Depart: Mon Feb 15 2016 Return: Mon Feb 29 2016 Trip spans 15 days
Turkish Airlines
Turkish Airlines
ORD
LGW
29h 55m
1 stop
LGW
ORD
31h 10m
1 stop
Depart: Wed Feb 17 2016 Return: Tue Feb 23 2016 Trip spans 7 days
Turkish Airlines
Turkish Airlines
IAD
LGW
29h 00m
1 stop
LGW
IAD
30h 50m
1 stop
Depart: Tue Jun 7 2016 Return: Wed Jun 15 2016 Trip spans 9 days
Major Airline
Major Airline
BOS
LHR
6h 30m
nonstop
LHR
BOS
7h 15m
nonstop
Depart: Fri Mar 4 2016 Return: Sun Mar 6 2016 Trip spans 3 days
Air Canada
Air Canada
IAD
LHR
26h 55m
2 stops
LHR
IAD
14h 00m
1 stop
Depart: Sun Mar 6 2016 Return: Sun Mar 13 2016 Trip spans 8 days
Finnair
Finnair
EWR
LHR
6h 50m
nonstop
LHR
EWR
8h 15m
nonstop
Depart: Thu Apr 14 2016 Return: Sat Apr 23 2016 Trip spans 10 days
United
United
LGA
LHR
12h 50m
1 stop
LHR
LGA
20h 47m
1 stop
Depart: Fri May 20 2016 Return: Sun May 22 2016 Trip spans 3 days
SAS
SAS
ORD
LHR
15h 25m
1 stop
LHR
ORD
14h 00m
1 stop
Depart: Wed Aug 31 2016 Return: Mon Sep 5 2016 Trip spans 6 days
WestJet
WestJet
LGA
LGW
13h 11m
1 stop
LGW
LGA
12h 45m
1 stop
Depart: Sat Mar 12 2016 Return: Wed Apr 6 2016 Trip spans 25 days
British Airways
British Airways
DCA
LHR
10h 37m
nonstop
LHR
DCA
11h 09m
nonstop
Depart: Fri Feb 26 2016 Return: Sat Feb 27 2016 Trip spans 2 days
Iberia
Iberia
BWI
LGW
15h 50m
2 stops
LGW
BWI
33h 34m
2 stops
Depart: Sun Jul 31 2016 Return: Wed Aug 10 2016 Trip spans 11 days
Major Airline
Major Airline
ATL
LHR
30h 05m
1 stop
LHR
ATL
31h 35m
1 stop
Depart: Fri Apr 8 2016 Return: Sun Apr 17 2016 Trip spans 10 days
Aeroflot
Aeroflot
LAX
LHR
31h 35m
1 stop
LHR
LAX
24h 00m
1 stop
Depart: Wed Jun 15 2016 Return: Tue Jun 21 2016 Trip spans 7 days
WestJet
WestJet
SFO
LGW
12h 39m
1 stop
LGW
SFO
35h 52m
3 stops
Depart: Tue Apr 12 2016 Return: Mon Apr 18 2016 Trip spans 7 days
American Airlines
American Airlines
BWI
LHR
7h 20m
nonstop
LHR
BWI
8h 20m
nonstop
Depart: Fri Mar 25 2016 Return: Thu Mar 31 2016 Trip spans 7 days
Alitalia
Alitalia
BOS
LCY
11h 55m
1 stop
LCY
BOS
12h 45m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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

Here's why:

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

We aggregate tons 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 don'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.

More questions or if you have a bad price to report to us
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Airports
Origin

San Francisco
$811
New York
only $692
only $384
Baltimore
$773
Chicago
$628
Atlanta
$777
Los Angeles
$561
Newark
$489
Washington
only $631
only $761
Boston
$381
Destination

London
only $489
only $886
only $381