Find Cheap Flights to United Kingdom

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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(Round-trip)
Depart: Mon Jan 30 2017 Return: Mon Feb 6 2017 Trip spans 8 days
Major Airline
Major Airline
BOS
LHR
6h 15m
nonstop
LHR
BOS
7h 40m
nonstop
Depart: Tue Jan 31 2017 Return: Mon Feb 6 2017 Trip spans 7 days
WOW air
WOW air
SFO
LGW
14h 05m
1 stop
LGW
SFO
14h 15m
1 stop
Depart: Fri Jan 27 2017 Return: Sun Jan 29 2017 Trip spans 3 days
British Airways
British Airways
JFK
LHR
6h 50m
nonstop
LHR
JFK
13h 55m
1 stop
Depart: Mon Mar 13 2017 Return: Mon Mar 20 2017 Trip spans 8 days
United
United
BOS
LHR
8h 35m
1 stop
LHR
BOS
12h 14m
1 stop
Depart: Fri Mar 17 2017 Return: Sun Mar 19 2017 Trip spans 3 days
Iberia
Iberia
BOS
LHR
22h 40m
1 stop
LHR
BOS
26h 55m
1 stop
Depart: Wed May 10 2017 Return: Sun May 14 2017 Trip spans 5 days
Norwegian
Norwegian
JFK
LGW
7h 00m
nonstop
LGW
JFK
7h 55m
nonstop
Depart: Mon May 29 2017 Return: Tue Jun 13 2017 Trip spans 16 days
Icelandair
Icelandair
EWR
LGW
10h 00m
1 stop
LGW
EWR
10h 50m
1 stop
Depart: Tue Jan 24 2017 Return: Fri Jan 27 2017 Trip spans 4 days
LOT Polish Airlines
LOT Polish Airlines
ORD
LHR
30h 00m
1 stop
LHR
ORD
19h 20m
1 stop
Depart: Thu Mar 30 2017 Return: Fri Apr 7 2017 Trip spans 9 days
Lufthansa
Lufthansa
BOS
LHR
14h 25m
1 stop
LHR
BOS
14h 35m
1 stop
Depart: Mon Jan 30 2017 Return: Fri Feb 3 2017 Trip spans 5 days
Virgin Atlantic
Virgin Atlantic
SFO
LHR
10h 10m
nonstop
LHR
SFO
11h 05m
nonstop
Depart: Mon Jun 19 2017 Return: Tue Jul 18 2017 Trip spans 30 days
TAP Portugal
TAP Portugal
MIA
LHR
13h 05m
1 stop
LHR
MIA
13h 30m
1 stop
Depart: Tue Feb 14 2017 Return: Tue Mar 7 2017 Trip spans 22 days
Air Canada
Air Canada
DEN
LHR
13h 35m
1 stop
LHR
DEN
13h 14m
1 stop
Depart: Sat Jan 21 2017 Return: Sun Jan 22 2017 Trip spans 2 days
Aer Lingus
Aer Lingus
BOS
LHR
11h 50m
1 stop
LHR
BOS
23h 20m
1 stop
Depart: Fri Feb 24 2017 Return: Fri Mar 3 2017 Trip spans 8 days
Finnair
Finnair
JFK
LGW
6h 50m
nonstop
LGW
JFK
7h 55m
nonstop
Depart: Tue May 2 2017 Return: Mon May 15 2017 Trip spans 14 days
Delta
Delta
SFO
LGW
18h 40m
2 stops
LGW
SFO
35h 05m
2 stops
Depart: Thu Feb 16 2017 Return: Sat Feb 25 2017 Trip spans 10 days
Brussels Airlines
Brussels Airlines
SFO
LHR
10h 35m
nonstop
LHR
SFO
11h 05m
nonstop
Depart: Sat Mar 4 2017 Return: Mon Mar 6 2017 Trip spans 3 days
Turkish Airlines
Turkish Airlines
ORD
LHR
17h 45m
1 stop
LHR
ORD
31h 05m
1 stop
Depart: Sat May 6 2017 Return: Mon May 15 2017 Trip spans 10 days
SWISS
SWISS
EWR
LCY
15h 00m
1 stop
LCY
EWR
12h 45m
1 stop
Depart: Wed Mar 8 2017 Return: Mon Mar 13 2017 Trip spans 5 days
Air India
Air India
EWR
LHR
6h 50m
nonstop
LHR
EWR
8h 20m
nonstop
Depart: Tue May 9 2017 Return: Sat Jun 10 2017 Trip spans 33 days
Air New Zealand
Air New Zealand
LAX
LHR
10h 30m
nonstop
LHR
LAX
11h 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

San Francisco
$360
New York
$379
Chicago
$438
Los Angeles
$555
Newark
$405
Denver
$475
Miami
$469
Boston
$338
Destination

London
only $338
only $538
only $360