London To Phuket; Thailand from £289 (on The Dreamliner)

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Gatwick	Thailand, Phuket	
Tue 03 Dec 13 14:25 08:45
Wed 11 Dec 13 11:45 17:45 
7 days
[B]£288.98[/B]
Gatwick	Thailand, Phuket	
Tue 03 Dec 13 14:25 08:45
Wed 18 Dec 13 11:45 17:45 
14 days		
[B]£318.98[/B]

More dates available.

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£75 for 20kgs of luggage for the return journey.
But I'm sure one can just pack some summer clothes in a holdall for such a short trip and forego hold luggage.