The new routes include extra services connecting St Helier with St Brelade's Bay and Corbiere.
New routes by carriers in the summer include Dubrovnik, Naples and Verona.
Reasons include inefficient aircraft operations and routes that are anything but 'direct'.
Measures to help people make fewer car journeys include having better walking and cycling routes and giving more travel information on mobile phones.
However, Department for Transport guidelines include a "strong presumption" against routes that would damage such areas.
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The changes will include more buses for the most in demand routes, more late night routes serving the town and a new fare structure asking tourists to pay more.
Overall, the trend was "within expectations" and these figures represented "just part of the recruitment picture - they don't include undergraduate numbers or those on employment-based routes", he said.
Plans include adding Boeing 787 Dreamliner jets by 2015 to fly to routes to China, Japan, and Australia.
Others include persuading people either to drive outside peak hours or to use routes that carry less traffic.
Still in embryo, the ideas include data systems that allow drivers to map the fastest and most eco-friendly routes.
Other proposed cuts include reducing opening hours for customer service centres and libraries, the withdrawal of some public transport routes, delaying major infrastructure projects and reducing the funding available to support tourism.
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