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: Wed Dec 27 2017 Return: Wed Jan 10 2018 Trip spans 15 days
Norwegian
Norwegian
JFK
LGW
6h 30m
nonstop
LGW
JFK
8h 20m
nonstop
Depart: Wed Nov 15 2017 Return: Thu Nov 23 2017 Trip spans 9 days
Major Airline
Major Airline
BOS
LHR
9h 00m
3 stops
LHR
BOS
10h 39m
3 stops
Depart: Mon Nov 20 2017 Return: Fri Nov 24 2017 Trip spans 5 days
TAP Portugal
TAP Portugal
BOS
LHR
11h 40m
1 stop
LHR
BOS
12h 30m
1 stop
Depart: Sun Oct 15 2017 Return: Mon Nov 6 2017 Trip spans 23 days
Icelandair
Icelandair
EWR
LGW
10h 00m
1 stop
LGW
EWR
10h 55m
1 stop
Depart: Wed Dec 27 2017 Return: Mon Jan 15 2018 Trip spans 20 days
Air India
Air India
EWR
LHR
5h 50m
nonstop
LHR
EWR
7h 30m
nonstop
Depart: Mon Jul 31 2017 Return: Wed Aug 23 2017 Trip spans 24 days
WOW air
WOW air
SFO
LGW
14h 05m
1 stop
LGW
SFO
16h 50m
1 stop
Depart: Sun Aug 6 2017 Return: Thu Sep 7 2017 Trip spans 33 days
British Airways
British Airways
JFK
LGW
7h 00m
nonstop
LGW
JFK
7h 55m
nonstop
Depart: Wed Sep 20 2017 Return: Wed Oct 4 2017 Trip spans 15 days
United
United
LGA
LGW
18h 20m
1 stop
LGW
LGA
11h 43m
1 stop
Depart: Tue Sep 26 2017 Return: Tue Oct 3 2017 Trip spans 8 days
Air Canada
Air Canada
DEN
LHR
16h 35m
1 stop
LHR
DEN
15h 35m
2 stops
Depart: Mon Aug 14 2017 Return: Tue Aug 29 2017 Trip spans 16 days
American Airlines
American Airlines
EWR
LHR
6h 55m
nonstop
LHR
EWR
12h 30m
1 stop
Depart: Thu Nov 23 2017 Return: Fri Dec 8 2017 Trip spans 16 days
Air New Zealand
Air New Zealand
LAX
LHR
10h 30m
nonstop
LHR
LAX
11h 25m
nonstop
Depart: Fri Nov 24 2017 Return: Sun Dec 3 2017 Trip spans 10 days
Finnair
Finnair
DEN
LHR
8h 55m
nonstop
LHR
DEN
9h 55m
nonstop
Depart: Thu Dec 28 2017 Return: Fri Jan 12 2018 Trip spans 16 days
Aer Lingus
Aer Lingus
JFK
LHR
9h 25m
1 stop
LHR
JFK
12h 00m
1 stop
Depart: Sun Aug 20 2017 Return: Tue Sep 5 2017 Trip spans 17 days
Virgin Atlantic
Virgin Atlantic
DEN
LHR
14h 50m
1 stop
LHR
DEN
16h 01m
1 stop
Depart: Sat Nov 4 2017 Return: Wed Nov 8 2017 Trip spans 5 days
WestJet
WestJet
LGA
LGW
21h 05m
1 stop
LGW
LGA
14h 20m
1 stop
Depart: Mon Sep 11 2017 Return: Mon Sep 18 2017 Trip spans 8 days
Brussels Airlines
Brussels Airlines
SFO
LHR
10h 15m
nonstop
LHR
SFO
11h 00m
nonstop
Depart: Wed Oct 25 2017 Return: Wed Nov 22 2017 Trip spans 29 days
Turkish Airlines
Turkish Airlines
ORD
LGW
29h 35m
1 stop
LGW
ORD
31h 05m
1 stop
Depart: Tue Oct 10 2017 Return: Mon Oct 23 2017 Trip spans 14 days
SWISS
SWISS
LAX
LCY
14h 35m
1 stop
LCY
LAX
29h 55m
1 stop
Depart: Tue Oct 3 2017 Return: Wed Oct 4 2017 Trip spans 2 days
Iberia
Iberia
HOU
LHR
17h 05m
2 stops
LHR
HOU
37h 21m
2 stops
Depart: Sun Aug 6 2017 Return: Tue Aug 29 2017 Trip spans 24 days
KLM
KLM
MSP
LHR
8h 13m
nonstop
LHR
MSP
14h 39m
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
$470
New York
only $528
only $360
Minneapolis
$628
Chicago
$605
Los Angeles
$541
Newark
$420
Denver
$531
Houston
$615
Boston
$371
Destination

London
only $371
only $608
only $360
Airlines Airline reviews

140 travelers who booked a flight from New York to London rated their chosen airlines with an average of 7.7.

Overall
7.7
Boarding
7.6
Crew
8.3
Comfort
7.6
Food
7.2
Entertainment
7.7