AirHint found the following cheapest return flights from Belfast (BHD) to Prague (PRG) in September 2025 (see full year).

Return flights

27 Sep - 01 Oct	Aer Lingus
22 Sep - 02 Oct	easyJet
27 Sep - 30 Sep	Aer Lingus
28 Sep - 01 Oct	Aer Lingus
27 Sep - 29 Sep	Aer Lingus
20 Sep - 27 Sep	Aer Lingus
28 Sep - 02 Oct	Aer Lingus
27 Sep - 28 Sep	Aer Lingus
23 Sep - 25 Sep	Aer Lingus
19 Sep - 21 Sep	easyJet
17 Sep - 21 Sep	easyJet
30 Sep - 04 Oct	British Airways
26 Sep - 29 Sep	easyJet
23 Sep - 27 Sep	Aer Lingus
26 Sep - 28 Sep	Aer Lingus
29 Sep - 03 Oct	KLM
30 Sep - 02 Oct	British Airways

Also check the deals for one-way flights from Belfast to Prague 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 Belfast to Prague in September from 177€

Return flights