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: Tue Apr 12 2016 Return: Tue Apr 19 2016 Trip spans 8 days
Iberia
Iberia
PHL
LHR
7h 00m
nonstop
LHR
PHL
7h 55m
nonstop
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: Mon Feb 22 2016 Return: Tue Mar 1 2016 Trip spans 9 days
Turkish Airlines
Turkish Airlines
ORD
LHR
19h 00m
1 stop
LHR
ORD
36h 15m
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: 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: Sun Feb 21 2016 Return: Sat Mar 5 2016 Trip spans 14 days
Air Canada
Air Canada
DCA
LHR
10h 05m
1 stop
LHR
DCA
13h 16m
1 stop
Depart: Sun Jul 3 2016 Return: Tue Aug 30 2016 Trip spans 59 days
Major Airline
Major Airline
LAX
LHR
10h 30m
nonstop
LHR
LAX
11h 15m
nonstop
Depart: Tue Jul 12 2016 Return: Mon Jul 18 2016 Trip spans 7 days
Turkish Airlines
Turkish Airlines
ATL
LHR
35h 15m
1 stop
LHR
ATL
36h 35m
1 stop
Depart: Wed May 4 2016 Return: Fri May 13 2016 Trip spans 10 days
Iberia
Iberia
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: Thu Mar 3 2016 Return: Tue Apr 5 2016 Trip spans 33 days
Air Canada
Air Canada
FLL
LHR
11h 15m
1 stop
LHR
FLL
16h 42m
1 stop
Depart: Thu Feb 25 2016 Return: Sun Feb 28 2016 Trip spans 4 days
Air Canada
Air Canada
SEA
LHR
14h 20m
1 stop
LHR
SEA
12h 41m
1 stop
Depart: Thu Mar 31 2016 Return: Sun Apr 10 2016 Trip spans 11 days
Air Canada
Air Canada
AUS
LHR
21h 40m
1 stop
LHR
AUS
14h 15m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We make every attempt to get accurate prices, however, prices are not guaranteed.

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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
$865
Raleigh
$834
Chicago
only $703
only $705
Fort Lauderdale
$839
Austin
$881
Washington
only $682
only $768
Miami
$729
Baltimore
$825
Atlanta
$815
Los Angeles
$773
Newark
$665
Philadelphia
$687
Houston
only $749
only $702
Boston
$496
Destination

London
$496