To travel by airplane to Kemer, Antalya is cheap and normally takes less then 4-5 hours from anywhere in Europe. Some of the most wellknown airlines are pegasus and Turkish airline.
Pegasus Airline:
Turish Airlines:

At Antalya airport there is several car rental companies for you who prefer to a car on your holiday
at this site you can find cheap cars to hire from approx 50/euro per day

The currency in turkey are Lira, one turkish Lira is approx 0,25 Euro.
At most places you can buy with Euro but its allways prefered to buy with their local currency specially at markets and some attractions. There are good exchange companies when you arrive in turkey!