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

Return flights

09 Sep - 17 Sep	Ryanair
13 Sep - 17 Sep	Ryanair
30 Sep - 07 Oct	easyJet
28 Sep - 08 Oct	Ryanair
30 Sep - 09 Oct	Ryanair
09 Sep - 16 Sep	Ryanair
11 Sep - 17 Sep	Ryanair
14 Sep - 17 Sep	Ryanair
21 Sep - 26 Sep	Ryanair
09 Sep - 12 Sep	Ryanair
27 Sep - 04 Oct	easyJet
07 Sep - 18 Sep	Ryanair
04 Sep - 11 Sep	Ryanair
12 Sep - 19 Sep	Ryanair
25 Sep - 02 Oct	Ryanair
27 Sep - 05 Oct	Ryanair
30 Sep - 09 Oct	easyJet	direct
19 Sep - 03 Oct	Ryanair
25 Sep - 05 Oct	Ryanair
26 Sep - 05 Oct	Ryanair

Also check the deals for one-way flights from Bristol 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 Bristol to Athens in September from 140€

Return flights