Direct flights from the following cities to Thessaloniki International Airport, "Macedonia" (SKG), are available from the following cities:

Austria
Vienna – Austrian Airlines, SkyEurope

Czech Republic
Prague – Czech Airlines, SkyEurope, Smart Wings
Ostrava – Smart Wings

France
Paris – Cyprus Airways

Germany
Düsseldorf - Aegean Airlines, Air Berlin, Olympic Airlines, TUIfly
Frankfurt - Aegean Airlines, Condor Airlines, Olympic Airlines
Munich - Aegean Airlines, Air Berlin, TUIfly
Stuttgart - Aegean Airlines, Germanwings, Olympic Airlines, TUIfly
Berlin-Schönefeld – Air Berlin
Berlin-Tegel – Air Berlin
Cologne/Bonn – Air Berlin, Germanwings
Dresden – Air Berlin
Erfurt – Air Berlin
Hamburg – Air Berlin
Hanover – Air Berlin
Leipzig/Halle – Air Berlin
Münster/Osnabrück – Air Berlin
Nuremberg – Air Berlin
Paderborn/Lippstadt – Air Berlin
Dortmund – easyJet

Greece
Athens – Aegean Airlines, Olympic Airlines
Heraklion – Aegean Airlines, Olympic Airlines
Rhodes – Aegean Airlines, Olympic Airlines
Larnaca – Aegean Airlines, Cyprus Airways
Mytilene – Aegean Airlines, Olympic Airlines
Paphos – Cyprus Airways
Corfu – Olympic Airlines
Chania – Olympic Airlines
Kalamata – Olympic Airlines
Limnos – Olympic Airlines
Samos – Olympic Airlines
Skiros – Olympic Airlines

Hungary
Budapest – Malév Hungarian Airlines, Wizz Air

Italy
Milan-Malpensa – Alitalia
Rome-Fiumicino – Alitalia

Romania
Bucharest-Bǎneasa – BlueAir, TAROM

Russia
Nalchik – Elbrus Avia
Moscow-Domodedovo – KrasAir, VIM Airlines
St. Petersburg – Rossiya
Ekaterinburg – Ural Airlines

Turkey
Istanbul-Ataturk – Olympic Airlines

Ukraine
Kiev-Boryspil – Aerosvit Airlines

United Kingdom
London-Gatwick – British Airways, Olympic Airlines, XL Airways
Manchester – XL Airways
Newcastle –  XL Airways

Switzerland
Zürich – Swiss International Air Lines

A bus service will be provided to transport conference attendees to/from the airport.  However, you can arrange your own transportation.  Below is a list of some of the rental car companies available at the airport:
Avantilocal company
Race Rent-a-Carlocal company
MasterCar-Greece local company
Alamo
Avis
Budget
Europcar
Hertz
National
Thrifty
AutoEurop

Porto Carras is located a couple of kilometers south of Neos Marmaras,