AirHint found the following cheapest return flights from Waterloo (YKF) to Sydney (SYD) in December 2025 (see full year).

Return flights

13 Dec - 30 Jan	WestJet
06 Dec - 17 Jan	WestJet
11 Dec - 11 Jan	WestJet
15 Dec - 15 Jan	WestJet
11 Dec - 20 Jan	WestJet
11 Dec - 13 Jan	WestJet
20 Dec - 31 Dec	WestJet
27 Dec - 06 Jan	WestJet
16 Dec - 03 Jan	WestJet
26 Dec - 04 Jan	WestJet
20 Dec - 10 Jan	WestJet
01 Dec - 16 Dec	WestJet
11 Dec - 31 Dec	WestJet
16 Dec - 30 Dec	WestJet
01 Dec - 19 Dec	WestJet
11 Dec - 30 Dec	WestJet

Also check the deals for one-way flights from Waterloo to Sydney in December.

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 Waterloo to Sydney in December from 1861€

Return flights