Is a 1¾ hr layover in Tongatapu long enough?

TBU · Fua Amotu International · Tongatapu, Tonga
Probably Enough
Ample time for any connection type, including international-international with immigration formalities.
Concourses
1
Max Transit
5m
Avg. Security
10m
Primary Hub
Real Tonga
Domestic → Domestic
45min
Domestic → International
60min
International → Domestic
90min
International → International
75min
AD PLACEMENT — CONTEXTUAL
Build in generous buffer time since Tonga's domestic and international flights operate only a few times a day, and missing one can cost you 24 hours or more.
International arrivals must clear immigration and customs before reaching the domestic check-in counter, which adds time even though the physical distance is tiny.
There is no dedicated transfer desk, so retrieve and recheck your own bags when connecting between international and domestic flights.
Confirm your Real Tonga domestic flight schedule in advance, as frequencies to outer islands are limited and subject to change.
Arrive at the terminal well ahead of departure, as check-in and boarding processes are manual and can be slow during busy periods.
12a6a12p6p12a
Low risk
Moderate
High risk
Tight connections are safer outside peak hours. Morning rush (6–9a), midday (11a–2p), and evening (4–8p) are highest risk.
There is only one small terminal building with domestic and international check-in and arrivals areas under the same roof, connected by a short walk of a minute or two. Passengers connecting from international to domestic (or vice versa) typically pass through immigration/customs and a single security checkpoint, as there is no airside-to-airside transfer facility.
Is 1 hour 45 min enough for a layover at TBU?

Ample time for any connection type, including international-international with immigration formalities.

AD PLACEMENT — BEFORE FOOTER