AirHint found the following cheapest return flights from Belfast (BHD) to Sydney (SYD) in December 2025 (see full year).
Return flights
| 26 Dec - 10 Jan | China Southern | ||
| 27 Dec - 10 Jan | easyJet | ||
| 29 Dec - 12 Jan | easyJet | ||
| 21 Dec - 04 Jan | easyJet | ||
| 18 Dec - 03 Jan | easyJet | ||
| 19 Dec - 26 Dec | China Southern | ||
| 28 Dec - 05 Jan | KLM |
Also check the deals for one-way flights from Belfast to Sydney in December.
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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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