Cheapest one-way flights from Auckland to Tongatapu in August from $172

AirHint found the following cheapest one-way flights from Auckland (AKL) to Tongatapu (TBU) in August 2025 (see full year).

One-Way flights

18 Aug Fiji Airways
14 Aug Fiji Airways
20 Aug Fiji Airways
09 Aug Fiji Airways
14 Aug Air New Zealand direct
28 Aug Fiji Airways
20 Aug Air New Zealand direct
18 Aug Air New Zealand direct
25 Aug Air New Zealand direct
13 Aug Air New Zealand direct

Also check the deals for return flights from Auckland to Tongatapu in August.

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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