Cheapest return flights from Auckland to Tongatapu in September from $349

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

Return flights

10 Sep - 17 Sep Air New Zealand
18 Sep - 25 Sep Fiji Airways
16 Sep - 20 Sep Fiji Airways
30 Sep - 04 Oct Fiji Airways
15 Sep - 23 Sep Air New Zealand direct
02 Sep - 11 Sep Fiji Airways
15 Sep - 20 Sep Fiji Airways
30 Sep - 06 Oct Fiji Airways
26 Sep - 04 Oct Fiji Airways
19 Sep - 29 Sep Fiji Airways

Also check the deals for one-way flights from Auckland 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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