AirHint found the following cheapest return flights from Newcastle (NCL) to Athens (ATH) in September 2025 (see full year).

Return flights

30 Sep - 07 Oct	Ryanair
16 Sep - 23 Sep	Ryanair
19 Sep - 02 Oct	Ryanair
05 Sep - 12 Sep	Ryanair
26 Sep - 29 Sep	Ryanair
29 Sep - 03 Oct	easyJet
26 Sep - 30 Sep	Ryanair
05 Sep - 11 Sep	easyJet
22 Sep - 29 Sep	Ryanair
06 Sep - 12 Sep	Ryanair
15 Sep - 24 Sep	British Airways
22 Sep - 24 Sep	British Airways
05 Sep - 09 Sep	Ryanair

Also check the deals for one-way flights from Newcastle to Athens in September.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Newcastle to Athens in September from $223

Return flights