Cheapest one-way flights from Sydney to Tongatapu in December from $437

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

One-Way flights

30 Dec Qantas direct
02 Dec Qantas direct
05 Dec Fiji Airways
04 Dec Fiji Airways
27 Dec Qantas direct
09 Dec Fiji Airways
06 Dec Fiji Airways
24 Dec Qantas direct
06 Dec Qantas direct
08 Dec Fiji Airways

Also check the deals for return flights from Sydney to Tongatapu 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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