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

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

Return flights

16 Sep - 27 Sep Qantas direct
13 Sep - 20 Sep Qantas direct
09 Sep - 13 Sep Qantas direct
02 Sep - 09 Sep Qantas direct
19 Sep - 04 Oct Fiji Airways
20 Sep - 23 Sep Qantas direct
20 Sep - 30 Sep Qantas direct
02 Sep - 04 Sep Fiji Airways
19 Sep - 30 Sep Fiji Airways
19 Sep - 29 Sep Fiji Airways
04 Sep - 11 Sep Fiji Airways

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

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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