The Price only available for outbound flight made on 17 Nov and inbound flight made on 24 Nov. Booking is with Major Travel and flights are with Swiss Air with one stop over in Zurich.
Deatils of the quote I got:
17Nov LONDON HEATHROW to ZURICH LX345 0600
17Nov ZURICH to JOHN F KENNEDY LX16 0955
24Nov JOHN F KENNEDY to ZURICH LX15 2100
25Nov ZURICH to LONDON HEATHROW LX332 1205
HEATHROW - NEW YORK JFK INTL AIRPORT Swiss Air Lines Booking Total: £180