AirHint found the following cheapest return flights from Belfast (BHD) to Athens (ATH) in August 2025 (see full year).

Return flights

30 Aug - 10 Sep	easyJet
24 Aug - 28 Aug	easyJet
14 Aug - 17 Aug	easyJet
20 Aug - 27 Aug	easyJet
30 Aug - 08 Sep	easyJet
25 Aug - 08 Sep	easyJet
06 Aug - 13 Aug	easyJet
05 Aug - 13 Aug	Aer Lingus
08 Aug - 12 Aug	KLM
15 Aug - 22 Aug	easyJet
06 Aug - 11 Aug	easyJet
01 Aug - 12 Aug	easyJet

Also check the deals for one-way flights from Belfast to Athens in August.

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

Cheapest return flights from Belfast to Athens in August from $338

Return flights