Find Cheap Flights 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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Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights to London

(Round-trip)
Depart: Mon Oct 23 2017 Return: Mon Oct 30 2017 Trip spans 8 days
Norwegian
Norwegian
JFK
LGW
7h 00m
nonstop
LGW
JFK
8h 20m
nonstop
Depart: Sun Nov 5 2017 Return: Wed Nov 15 2017 Trip spans 11 days
Major Airline
Major Airline
BOS
LHR
14h 10m
1 stop
LHR
BOS
10h 00m
1 stop
Depart: Tue Sep 26 2017 Return: Tue Oct 10 2017 Trip spans 15 days
WOW air
WOW air
SFO
LGW
14h 10m
1 stop
LGW
SFO
16h 50m
1 stop
Depart: Mon Nov 20 2017 Return: Sun Nov 26 2017 Trip spans 7 days
TAP Portugal
TAP Portugal
BOS
LHR
11h 40m
1 stop
LHR
BOS
27h 00m
1 stop
Depart: Mon Aug 14 2017 Return: Tue Sep 12 2017 Trip spans 30 days
British Airways
British Airways
JFK
LGW
7h 00m
nonstop
LGW
JFK
7h 50m
nonstop
Depart: Thu Nov 30 2017 Return: Wed Dec 6 2017 Trip spans 7 days
Icelandair
Icelandair
IAD
LGW
10h 30m
1 stop
LGW
IAD
11h 00m
1 stop
Depart: Mon Oct 23 2017 Return: Mon Nov 6 2017 Trip spans 15 days
Air India
Air India
EWR
LHR
6h 45m
nonstop
LHR
EWR
7h 30m
nonstop
Depart: Sun Aug 6 2017 Return: Sun Aug 27 2017 Trip spans 22 days
Virgin Atlantic
Virgin Atlantic
JFK
LHR
7h 20m
nonstop
LHR
JFK
8h 08m
nonstop
Depart: Sun Aug 6 2017 Return: Sat Aug 26 2017 Trip spans 21 days
Finnair
Finnair
JFK
LHR
7h 05m
nonstop
LHR
JFK
7h 55m
nonstop
Depart: Fri Sep 22 2017 Return: Sat Oct 7 2017 Trip spans 16 days
United
United
LAX
LGW
13h 15m
1 stop
LGW
LAX
17h 13m
1 stop
Depart: Mon Aug 7 2017 Return: Mon Aug 28 2017 Trip spans 22 days
American Airlines
American Airlines
LGA
LHR
10h 49m
1 stop
LHR
LGA
11h 53m
1 stop
Depart: Mon Oct 30 2017 Return: Mon Nov 6 2017 Trip spans 8 days
Air Canada
Air Canada
LGA
LHR
18h 45m
1 stop
LHR
LGA
13h 30m
1 stop
Depart: Tue Oct 31 2017 Return: Fri Nov 17 2017 Trip spans 18 days
Austrian Airlines
Austrian Airlines
LAX
LHR
10h 30m
nonstop
LHR
LAX
11h 20m
nonstop
Depart: Wed Nov 8 2017 Return: Wed Nov 29 2017 Trip spans 22 days
Aer Lingus
Aer Lingus
LAX
LCY
13h 35m
1 stop
LCY
LAX
17h 10m
1 stop
Depart: Tue Oct 10 2017 Return: Mon Oct 16 2017 Trip spans 7 days
SWISS
SWISS
LAX
LCY
13h 20m
1 stop
LCY
LAX
28h 10m
1 stop
Depart: Sat Nov 18 2017 Return: Sat Nov 25 2017 Trip spans 8 days
Iberia
Iberia
HOU
LHR
8h 55m
nonstop
LHR
HOU
10h 30m
nonstop
Depart: Fri Oct 27 2017 Return: Wed Nov 8 2017 Trip spans 13 days
Turkish Airlines
Turkish Airlines
ORD
LGW
30h 40m
1 stop
LGW
ORD
31h 05m
1 stop
Depart: Tue Jul 25 2017 Return: Thu Aug 24 2017 Trip spans 31 days
KLM
KLM
LGA
LHR
12h 06m
1 stop
LHR
LGA
13h 23m
1 stop
Depart: Thu Aug 31 2017 Return: Tue Sep 19 2017 Trip spans 20 days
Brussels Airlines
Brussels Airlines
DEN
LHR
25h 45m
2 stops
LHR
DEN
17h 48m
2 stops
Depart: Tue Jun 20 2017 Return: Fri Jun 23 2017 Trip spans 4 days
WestJet
WestJet
LGA
LGW
18h 20m
1 stop
LGW
LGA
12h 59m
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.

^ The fares displayed in KAYAK ads found on other sites include all taxes and fees for economy class travel and were found by KAYAK users in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.
Airports
Origin

San Francisco
$420
New York
only $543
only $393
Chicago
$641
Los Angeles
$542
Newark
$502
Denver
$709
Washington
$501
Houston
$626
Boston
$402
Destination

London
only $402
only $595
only $393
Airlines Airline reviews

171 travelers who booked a flight from New York to London rated their chosen airlines with an average of 7.4.

Overall
7.5
Boarding
7.6
Crew
7.9
Comfort
7.1
Food
6.9
Entertainment
7.4