Find Deals on Flights from United States to London Heathrow

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 Heathrow

(Round-trip)
Depart: Sun Mar 27 2016 Return: Thu Mar 31 2016 Trip spans 5 days
Major Airline
Major Airline
BOS
LHR
6h 25m
nonstop
LHR
BOS
7h 20m
nonstop
Depart: Fri May 6 2016 Return: Mon May 9 2016 Trip spans 4 days
Icelandair
Icelandair
JFK
LHR
10h 05m
1 stop
LHR
JFK
10h 50m
1 stop
Depart: Mon Feb 29 2016 Return: Wed Mar 2 2016 Trip spans 3 days
American Airlines
American Airlines
LGA
LHR
15h 26m
1 stop
LHR
LGA
14h 49m
2 stops
Depart: Fri May 20 2016 Return: Thu May 26 2016 Trip spans 7 days
Icelandair
Icelandair
EWR
LHR
18h 25m
1 stop
LHR
EWR
10h 50m
1 stop
Depart: Fri Mar 11 2016 Return: Sun Mar 13 2016 Trip spans 3 days
United
United
IAD
LHR
19h 50m
1 stop
LHR
IAD
17h 40m
1 stop
Depart: Thu Feb 25 2016 Return: Tue Mar 1 2016 Trip spans 6 days
Turkish Airlines
Turkish Airlines
ORD
LHR
37h 20m
1 stop
LHR
ORD
29h 55m
1 stop
Depart: Sat Apr 30 2016 Return: Sun May 8 2016 Trip spans 9 days
American Airlines
American Airlines
PHL
LHR
7h 00m
nonstop
LHR
PHL
7h 55m
nonstop
Depart: Thu Mar 10 2016 Return: Sat Mar 12 2016 Trip spans 3 days
Major Airline
Major Airline
DCA
LHR
9h 10m
1 stop
LHR
DCA
11h 36m
1 stop
Depart: Sat Feb 13 2016 Return: Sat Feb 20 2016 Trip spans 8 days
Major Airline
Major Airline
HOU
LHR
35h 45m
1 stop
LHR
HOU
26h 35m
1 stop
Depart: Sat Feb 27 2016 Return: Sun Feb 28 2016 Trip spans 2 days
Major Airline
Major Airline
MDW
LHR
11h 30m
1 stop
LHR
MDW
14h 23m
1 stop
Depart: Wed Feb 24 2016 Return: Thu Mar 10 2016 Trip spans 16 days
Turkish Airlines
Turkish Airlines
MIA
LHR
19h 45m
1 stop
LHR
MIA
30h 30m
1 stop
Depart: Thu Mar 3 2016 Return: Thu Apr 28 2016 Trip spans 56 days
Major Airline
Major Airline
LAX
LHR
10h 35m
nonstop
LHR
LAX
11h 10m
nonstop
Depart: Fri Feb 19 2016 Return: Fri Feb 26 2016 Trip spans 8 days
Turkish Airlines
Turkish Airlines
IAH
LHR
36h 00m
1 stop
LHR
IAH
41h 10m
1 stop
Depart: Sat Jun 11 2016 Return: Sun Jun 19 2016 Trip spans 9 days
Major Airline
Major Airline
MCO
LHR
18h 40m
2 stops
LHR
MCO
38h 03m
2 stops
Depart: Sun Jun 26 2016 Return: Mon Jul 4 2016 Trip spans 9 days
Turkish Airlines
Turkish Airlines
ATL
LHR
30h 05m
1 stop
LHR
ATL
25h 50m
1 stop
Depart: Sat Apr 2 2016 Return: Tue Apr 12 2016 Trip spans 11 days
British Airways
British Airways
BWI
LHR
7h 20m
nonstop
LHR
BWI
8h 20m
nonstop
Depart: Tue Jun 7 2016 Return: Wed Jun 15 2016 Trip spans 9 days
Icelandair
Icelandair
DTW
LHR
20h 25m
2 stops
LHR
DTW
26h 03m
2 stops
Depart: Thu Jun 2 2016 Return: Tue Jun 14 2016 Trip spans 13 days
Icelandair
Icelandair
RDU
LHR
21h 45m
2 stops
LHR
RDU
24h 02m
2 stops
Depart: Sun Mar 6 2016 Return: Sat Mar 12 2016 Trip spans 7 days
Air Canada
Air Canada
FLL
LHR
20h 00m
1 stop
LHR
FLL
20h 17m
1 stop
Depart: Thu May 12 2016 Return: Wed May 18 2016 Trip spans 7 days
Icelandair
Icelandair
SEA
LHR
20h 10m
1 stop
LHR
SEA
30h 05m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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.

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Airports
Origin

New York
only $515
only $662
Detroit
$833
Seattle
$862
Raleigh
$834
Chicago
only $686
only $705
Fort Lauderdale
$837
Washington
only $682
only $690
Miami
$729
Baltimore
$816
Atlanta
$815
Orlando
$792
Los Angeles
$748
Newark
$665
Philadelphia
$687
Houston
only $749
only $702
Boston
$496
Destination

London
$496