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

Return flights

25 Sep - 09 Oct	easyJet
25 Sep - 02 Oct	easyJet
24 Sep - 01 Oct	easyJet
24 Sep - 30 Sep	easyJet
02 Sep - 09 Sep	Wizz Air
27 Sep - 30 Sep	Wizz Air
25 Sep - 01 Oct	easyJet
15 Sep - 23 Sep	easyJet
27 Sep - 04 Oct	Wizz Air
22 Sep - 30 Sep	easyJet
11 Sep - 25 Sep	easyJet
15 Sep - 22 Sep	easyJet
13 Sep - 16 Sep	Wizz Air
09 Sep - 17 Sep	easyJet
08 Sep - 16 Sep	easyJet
30 Sep - 12 Oct	Wizz Air
26 Sep - 10 Oct	easyJet

Also check the deals for one-way flights from Glasgow 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 Glasgow to Athens in September from 129€

Return flights