Great fares to Greece flying from Sydney. Two stops - Kuala Lumpur and Istanbul. The route to Athens is fairly straightforward with two short stops, but for Thessaloniki the stop in Istanbul is long - 22 hours-ish. However, Turkish Arlines offers free stopover accommodation for stops over 20 hours. You can probably force a long stop for Athens too, if you want to take advantage.
Checked bags, food, etc included. Dates are January to May 2025. Use the sample search below and change the dates to whatever you like.
Sydney to Athens $1225
Sydney to Thessaloniki $1211
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How many souvlakis do I need to purchase in Athens to make this deal worth it