Cheapest one-way flights from Sydney to Tongatapu in September from $284

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

One-Way flights

17 Sep Fiji Airways
19 Sep Qantas direct
22 Sep Qantas direct
21 Sep Fiji Airways

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

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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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