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

Return flights

22 Jun - 28 Jun	KLM
21 Jun - 27 Jun	KLM
15 Jun - 18 Jun	Aer Lingus
16 Jun - 18 Jun	easyJet
15 Jun - 19 Jun	Aer Lingus
26 Jun - 03 Jul	Aer Lingus
14 Jun - 18 Jun	Aer Lingus
12 Jun - 22 Jun	easyJet
18 Jun - 22 Jun	Aer Lingus
18 Jun - 21 Jun	KLM
14 Jun - 21 Jun	KLM
30 Jun - 07 Jul	Aer Lingus
28 Jun - 07 Jul	easyJet

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

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 Belfast to Athens in June from $359

Return flights