Cheapest return flights from Sydney to Tongatapu in May from $424

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

Return flights

05 May - 09 May Fiji Airways
04 May - 06 May Fiji Airways
09 May - 27 May Fiji Airways
12 May - 30 May Fiji Airways
02 May - 09 May Qantas direct
05 May - 09 May Qantas direct
09 May - 16 May Qantas direct
12 May - 30 May Qantas direct
03 May - 07 May Fiji Airways

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

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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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