Cheapest return flights from Brussels to Athens in September from $123

Best time to book flights for Brussels (BRU) to Athens (ATH) flights at AirHint

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

Return flights

21 Sep - 01 Oct Ryanair direct
13 Sep - 01 Oct Ryanair direct
29 Sep - 17 Oct Ryanair direct
29 Sep - 01 Oct Ryanair direct
19 Sep - 01 Oct Ryanair direct
21 Sep - 24 Sep Ryanair direct
21 Sep - 06 Oct Ryanair direct
20 Sep - 01 Oct Ryanair direct
13 Sep - 24 Sep Ryanair direct
29 Sep - 06 Oct Ryanair direct
19 Sep - 24 Sep Ryanair direct
19 Sep - 06 Oct Ryanair direct
01 Sep - 21 Sep Ryanair
20 Sep - 24 Sep Ryanair direct
20 Sep - 06 Oct Ryanair direct
03 Sep - 24 Sep Ryanair direct
01 Sep - 03 Sep Ryanair direct
01 Sep - 13 Sep Ryanair direct
13 Sep - 21 Sep Ryanair direct
01 Sep - 21 Sep Ryanair direct

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

Skyscanner

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.

Book a cheap hotel in Athens

Cheap car rent in Athens