AirHint found the following cheapest return flights from Sydney (SYD) to Tongatapu (TBU) in July 2026 (see full year).

Return flights

28 Jul - 11 Aug	Fiji Airways
21 Jul - 30 Jul	Fiji Airways
24 Jul - 19 Aug	Fiji Airways
28 Jul - 11 Aug	Qantas	direct
07 Jul - 14 Jul	Qantas	direct
11 Jul - 18 Jul	Qantas	direct
10 Jul - 17 Jul	Fiji Airways

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

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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Cheapest return flights from Sydney to Tongatapu in July from 363€

Return flights