Cheapest one-way flights from Sydney to Tongatapu in January from $270

AirHint found the following cheapest one-way flights from Sydney (SYD) to Tongatapu (TBU) in January 2026 (see full year).

One-Way flights

13 Jan Fiji Airways
10 Jan Qantas direct
13 Jan Qantas direct
15 Jan Qantas direct
03 Jan Qantas direct

Also check the deals for return flights from Sydney to Tongatapu in January.

Powered by

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.

Book a cheap hotel in Tongatapu

Cheap car rent in Tongatapu

Feel free to contact us with any feedback or request another flight research.