Cheapest return flights from Sydney to Tongatapu in December from $450

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

Return flights

02 Dec - 09 Dec Qantas direct
02 Dec - 06 Dec Qantas direct
27 Dec - 17 Jan Qantas direct
16 Dec - 24 Dec Fiji Airways
16 Dec - 24 Dec Qantas direct
25 Dec - 07 Jan Fiji Airways
08 Dec - 03 Jan Fiji Airways
06 Dec - 03 Jan Fiji Airways
06 Dec - 03 Jan Qantas direct

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

Skyscanner

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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