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
The price shown for each flight will be the average for all passengers including any infants.
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(Round-trip)
Depart: Thu Dec 21 2017 Return: Tue Jan 16 2018 Trip spans 27 days
Norwegian
Norwegian
JFK
LGW
6h 30m
nonstop
LGW
JFK
8h 20m
nonstop
Depart: Mon Sep 4 2017 Return: Fri Sep 29 2017 Trip spans 26 days
WOW air
WOW air
SFO
LGW
14h 05m
1 stop
LGW
SFO
16h 50m
1 stop
Depart: Mon Nov 6 2017 Return: Fri Nov 17 2017 Trip spans 12 days
Major Airline
Major Airline
BOS
LHR
6h 15m
nonstop
LHR
BOS
7h 40m
nonstop
Depart: Mon Oct 16 2017 Return: Mon Oct 30 2017 Trip spans 15 days
Icelandair
Icelandair
EWR
LGW
10h 00m
1 stop
LGW
EWR
26h 20m
1 stop
Depart: Wed Oct 25 2017 Return: Wed Nov 8 2017 Trip spans 15 days
TAP Portugal
TAP Portugal
BOS
LHR
22h 25m
1 stop
LHR
BOS
24h 00m
1 stop
Depart: Mon Dec 4 2017 Return: Mon Dec 25 2017 Trip spans 22 days
Air India
Air India
EWR
LHR
5h 50m
nonstop
LHR
EWR
7h 30m
nonstop
Depart: Fri Nov 10 2017 Return: Mon Nov 13 2017 Trip spans 4 days
British Airways
British Airways
JFK
LHR
33h 00m
1 stop
LHR
JFK
10h 35m
1 stop
Depart: Thu Aug 10 2017 Return: Mon Sep 18 2017 Trip spans 40 days
Finnair
Finnair
JFK
LHR
6h 45m
nonstop
LHR
JFK
7h 50m
nonstop
Depart: Tue Sep 26 2017 Return: Tue Oct 3 2017 Trip spans 8 days
Air Canada
Air Canada
DEN
LHR
12h 00m
1 stop
LHR
DEN
15h 35m
2 stops
Depart: Wed Oct 4 2017 Return: Wed Oct 18 2017 Trip spans 15 days
Aer Lingus
Aer Lingus
JFK
LHR
9h 35m
1 stop
LHR
JFK
10h 15m
1 stop
Depart: Fri Dec 1 2017 Return: Tue Dec 12 2017 Trip spans 12 days
United
United
DEN
LHR
18h 35m
1 stop
LHR
DEN
14h 00m
1 stop
Depart: Mon Dec 4 2017 Return: Mon Dec 11 2017 Trip spans 8 days
Air New Zealand
Air New Zealand
LAX
LHR
10h 30m
nonstop
LHR
LAX
11h 25m
nonstop
Depart: Tue Aug 15 2017 Return: Tue Aug 29 2017 Trip spans 15 days
KLM
KLM
LGA
LHR
10h 50m
1 stop
LHR
LGA
13h 23m
1 stop
Depart: Mon Aug 14 2017 Return: Thu Aug 31 2017 Trip spans 18 days
American Airlines
American Airlines
SFO
LHR
15h 15m
1 stop
LHR
SFO
15h 00m
1 stop
Depart: Sun Aug 20 2017 Return: Thu Aug 31 2017 Trip spans 12 days
Virgin Atlantic
Virgin Atlantic
DEN
LHR
15h 30m
1 stop
LHR
DEN
15h 23m
1 stop
Depart: Mon Aug 21 2017 Return: Thu Aug 31 2017 Trip spans 11 days
Delta
Delta
EWR
LHR
12h 47m
1 stop
LHR
EWR
8h 05m
nonstop
Depart: Wed Nov 22 2017 Return: Sun Nov 26 2017 Trip spans 5 days
SAS
SAS
ORD
LHR
15h 15m
1 stop
LHR
ORD
26h 40m
1 stop
Depart: Wed Nov 1 2017 Return: Wed Nov 8 2017 Trip spans 8 days
WestJet
WestJet
LGA
LGW
12h 10m
1 stop
LGW
LGA
14h 20m
1 stop
Depart: Wed Sep 20 2017 Return: Wed Sep 27 2017 Trip spans 8 days
SWISS
SWISS
JFK
LCY
14h 40m
1 stop
LCY
JFK
12h 55m
1 stop
Depart: Mon Sep 18 2017 Return: Tue Oct 10 2017 Trip spans 23 days
Turkish Airlines
Turkish Airlines
ORD
LGW
29h 35m
1 stop
LGW
ORD
37h 20m
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

San Francisco
$400
New York
only $551
only $341
Chicago
$581
Los Angeles
$548
Newark
$419
Denver
$530
Boston
$410
Destination

London
only $410
only $604
only $341