AUD/AU
Find cheap flights to Tonga in 2026/2027 from $486 This is the cheapest return flight found to Tonga from Australia on FlightsFinder on October 25th 2026 at 21:05. This offer may no longer be available. Click the offer to check live prices & dates of travel.
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Our Flight Finder compares the cheapest flights to Tonga from the most established flight comparison sites.
Fly to Tonga and visit sites like Ha’amonga ’a Maui Trilithon, ’Eua National Park & Mount Talau.
1. Enter your search requirements for Tonga
2. Compare the best Tonga deals from top comparison engines
3. Book your Tonga flight at the cheapest price
These economy flights were found on FlightsFinder from Australia to Tonga in the last few days. Prices subject to availability.
These economy flights were found on FlightsFinder from Australia to Tonga in the last few days. Prices subject to availability.
According to our data, August is on average the cheapest time to book flights to Tonga.
You can get flights from $486 return.
According to our data, October is on average the most expensive time to book flights to Tonga.
A return flight could set you back more than $682.
Tonga combines royal heritage, forested islands and sheltered Pacific waters. Its island groups offer locally hosted village stays, coastal excursions and distinctive Polynesian traditions.
A good price for a flight to Fua`amotu is $437 - $535.
Popular airports in Tonga include Fuaʻamotu International Airport (TBU), Lupepauʻu International Airport (VAV), Salote Pilolevu Airport (HPA), Kaufana Airport (EUA), Mataʻaho Airport (NTT), and Kuini Lavenia Airport (NFO).
The flight to Tonga (TBU) is roughly 5 hours 27 minutes and 2,228 miles (3,585 kilometres) from Sydney, Australia - Kingsford Smith Airport (SYD).
The best way is to compare flights to Tonga from leading comparison sites using our search engine dashboard.
Yes, there are direct flights to Tonga.
Here is the average weather forecast in Tonga by month:
• Jan: 27°C
• Feb: 27°C
• Mar: 27°C
• Apr: 26°C
• May: 25°C
• Jun: 24°C
• Jul: 23°C
• Aug: 23°C
• Sep: 23°C
• Oct: 24°C
• Nov: 24°C
• Dec: 26°C
Fua'amotu International Airport (TBU) serves Tongatapu. Arrange transfers with your accommodation or local operator; travel time depends on your destination and local conditions.
Typically, flights are cheapest to Tonga 2 months before departure.
Studies show flights to Tonga are typically cheaper on Tuesdays and Wednesdays.
Sydney, Australia - Kingsford Smith Airport (SYD) to Tonga (TBU)
Distance:
2,228 miles (3,585 kilometres)
Average flight time (direct 5 hours 27 minutes)
Brisbane, Australia - Brisbane International Airport (BNE) to Tonga (TBU)
Distance:
2,037 miles (3,278 kilometres)
Average flight time (direct 5 hours 1 minute)
Melbourne, Australia - All Airports (MEL) to Tonga (TBU)
Distance:
2,635 miles (4,241 kilometres)
Average flight time (direct 6 hours 21 minutes)
Perth, Australia - Perth International Airport (PER) to Tonga (TBU)
Distance:
4,252 miles (6,842 kilometres)
Average flight time (direct 9 hours 56 minutes)
Cairns, Australia - Cairns International Airport (CNS) to Tonga (TBU)
Distance:
2,564 miles (4,127 kilometres)
Average flight time (direct 6 hours 11 minutes)
Adelaide, Australia - Adelaide International Airport (ADL) to Tonga (TBU)
Distance:
2,949 miles (4,746 kilometres)
Average flight time (direct 7 hours 3 minutes)
Darwin, Australia - Darwin International Airport (DRW) to Tonga (TBU)
Distance:
3,605 miles (5,801 kilometres)
Average flight time (direct 8 hours 30 minutes)
Gold Coast, Australia - Coolangatta Airport (OOL) to Tonga (TBU)
Distance:
2,019 miles (3,249 kilometres)
Average flight time (direct 4 hours 59 minutes)
Townsville, Australia - Townsville International Airport (TSV) to Tonga (TBU)
Distance:
2,467 miles (3,970 kilometres)
Average flight time (direct 5 hours 58 minutes)
Mount Isa, Australia - Mount Isa Airport (ISA) to Tonga (TBU)
Distance:
2,917 miles (4,694 kilometres)
Average flight time (direct 6 hours 58 minutes)
Kununurra, Australia - Kununurra Airport (KNX) to Tonga (TBU)
Distance:
3,680 miles (5,922 kilometres)
Average flight time (direct 8 hours 40 minutes)
Newcastle, Australia - Williamtown Metropolitan Area Airport (NTL) to Tonga (TBU)
Distance:
2,172 miles (3,496 kilometres)
Average flight time (direct 5 hours 19 minutes)
Mackay, Australia - Mackay Airport (MKY) to Tonga (TBU)
Distance:
2,293 miles (3,690 kilometres)
Average flight time (direct 5 hours 35 minutes)
Hobart, Australia - Hobart International Airport (HBA) to Tonga (TBU)
Distance:
2,614 miles (4,208 kilometres)
Average flight time (direct 6 hours 18 minutes)
Launceston, Australia - Launceston Airport (LST) to Tonga (TBU)
Distance:
2,595 miles (4,177 kilometres)
Average flight time (direct 6 hours 16 minutes)
Cloncurry, Australia - Cloncurry Airport (CNJ) to Tonga (TBU)
Distance:
2,852 miles (4,590 kilometres)
Average flight time (direct 6 hours 50 minutes)
Paraburdoo, Australia - Paraburdoo Airport (PBO) to Tonga (TBU)
Distance:
4,255 miles (6,847 kilometres)
Average flight time (direct 9 hours 57 minutes)
Karratha, Australia - Karratha Airport (KTA) to Tonga (TBU)
Distance:
4,354 miles (7,008 kilometres)
Average flight time (direct 10 hours 10 minutes)
Kalgoorlie-Boulder, Australia - Kalgoorlie-Boulder Airport (KGI) to Tonga (TBU)
Distance:
3,941 miles (6,342 kilometres)
Average flight time (direct 9 hours 15 minutes)
Learmonth, Australia - Learmonth Airport (LEA) to Tonga (TBU)
Distance:
4,496 miles (7,236 kilometres)
Average flight time (direct 10 hours 29 minutes)
Port Macquarie, Australia - Port Macquarie Airport (PQQ) to Tonga (TBU)
Distance:
2,093 miles (3,368 kilometres)
Average flight time (direct 5 hours 9 minutes)
Port Hedland, Australia - Port Hedland International Airport (PHE) to Tonga (TBU)
Distance:
4,244 miles (6,829 kilometres)
Average flight time (direct 9 hours 55 minutes)
Canberra, Australia - Canberra Airport (CBR) to Tonga (TBU)
Distance:
2,361 miles (3,799 kilometres)
Average flight time (direct 5 hours 44 minutes)
From Sydney (SYD), Australia to Fua`amotu, Tonga (TBU): $486
Depart: 10 Aug 2027 · Return: 24 Aug 2027 Price found 25 Oct 2026, 21:05
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