From Southend Airport in Essex, easyJet is adding services to Geneva and Venice.
The overall route expansion has added more than 230,000 seats to easyJet's winter 2012 schedule, which now extends to 280 routes.
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Direct rail services between Southampton and Brighton will be disrupted until the end of this week.
Wednesday morning's weather for the west of the region
Wednesday morning's weather for the east of the region