Cheapest return flights from Sydney to Tongatapu in August from $425

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

Return flights

24 Aug - 31 Aug Fiji Airways
25 Aug - 31 Aug Fiji Airways
15 Aug - 22 Aug Fiji Airways
08 Aug - 11 Aug Fiji Airways
25 Aug - 01 Sep Fiji Airways
15 Aug - 22 Aug Qantas direct
08 Aug - 11 Aug Qantas direct
25 Aug - 01 Sep Qantas direct

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

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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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