The bottom Line.
If your itinerary is:
LHR-MIA Feb24-Mar5 fare is £337.80
(Includes taxes etc.)
Alternatively
LHR-MIA Feb24-Mar4 £297.80
(Includes taxes etc.)
The prices differential is about N fare availibility on March 5 ex-MIA.
If I were you I would leave a day earlier and come back a day earlier. You of course may not have the option, in which case you are stuck with the fare.
[This message has been edited by east-yorkshireman (edited Dec 08, 2003).]