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Cheap flights from Tongatapu to Sydney from $385

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
TBU — SYD
3 Mar — 10 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Tongatapu to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Tongatapu to Sydney
Explore the most affordable flight options available from Tongatapu to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 February 2026.

Fri 6/305:40
TBU
-
SYD
1 stop18h 25m
Fiji Airways
Fri 29/506:00
SYD
-
TBU
1 stop6h 55m
Fiji Airways
Deal found 30/1$581
Fri 6/316:00
TBU
-
SYD
2 stops18h 00m
Multiple Airlines
Fri 29/506:00
SYD
-
TBU
1 stop6h 55m
Multiple Airlines
Deal found 30/1$858
Mon 9/221:35
TBU
-
SYD
1 stop26h 10m
Multiple Airlines
Mon 16/206:00
SYD
-
TBU
1 stop17h 50m
Multiple Airlines
Deal found 31/1$994

Find flight deals from Tongatapu to Sydney

Keep the following information in mind while searching for Tongatapu to Sydney flight deals. Data was last updated 1 February 2026.

Round-trip from

$581

One-way from

$385

Popular in

January

Cheapest in

October

Average price

$862

Good one-way deal

$494 or less
Fiji Airways
  • Fiji Airways
  • 6/3-29/5
  • 2 total stops
  • 25h 20m total
  • Tongatapu to Sydney
Search Deals
Fiji Airways
  • Fiji Airways
  • 20/4
  • 1 total stop
  • 27h 25m total
  • Tongatapu to Sydney
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($79 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($39 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a one-way flight from Tongatapu to Sydney Kingsford Smith.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Tongatapu to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 1 February 2026.
Use the filters below to find and compare flights from Tongatapu to Sydney that are best for you.

Fly from

Tongatapu

Fly to

Sydney

Route

Depart

Return

Price

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Fri 6/3

05:40-22:05

1 stop18h 25m

Sydney Kingsford Smith

Fri 29/5

06:00-15:55

1 stop6h 55m

$581

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Fri 6/3

16:00-08:00

2 stops18h 00m

Sydney Kingsford Smith

Fri 29/5

06:00-15:55

1 stop6h 55m

$858

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Mon 20/4

11:20-11:45

1 stop27h 25m

$385

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Mon 20/7

11:55-18:10

1 stop9h 15m

$459

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Tue 21/4

17:25-20:05

Nonstop5h 40m

$463

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Mon 2/3

11:20-11:05

3 stops25h 45m

$465

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Wed 22/4

16:25-14:30

2 stops25h 05m

$537

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Tue 21/4

11:20-08:05

2 stops23h 45m

$537

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Thu 16/7

05:00-22:15

2 stops20h 15m

$563

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Mon 20/7

11:55-22:15

2 stops13h 20m

$604

Flights are sorted by cheapest return flights first.

Deals found on 31/1

Showing 1-10 of 12 results
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Best time to book a flight from Tongatapu to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Tongatapu with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Tongatapu to Sydney

What is the cheapest month to book a flight from Tongatapu to Sydney?

Currently, February is the cheapest month in which you can book a flight from Tongatapu to Sydney (average of $382). Flying from Tongatapu to Sydney in January is currently the most expensive (average of $858). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from TT to SYD?

Find hourly flight availability from Tongatapu to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 February 2026.

When flying from Tongatapu to Sydney, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Tongatapu to Sydney?

Related info for your journey

Find useful and relevant information for your journey from Tongatapu to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sydney from Tongatapu?

    Sydney Kingsford Smith (SYD), located 7.5 km from the city centre, is the airport you fly into when you book flights from Tongatapu to Sydney.

  • How popular is this Tongatapu to Sydney flight route?

    Within the past month, 93 users have taken a look at flights from Tongatapu to Sydney Kingsford Smith.

  • How long is the flight from Tongatapu to Sydney?

    Airlines like Fiji Airways fly from Tongatapu to Sydney in about 18h 25m. The time it takes to get you to your destination can typically vary by up to . There are 3584 km between Tongatapu and Sydney.

  • What are the cheapest airlines to fly from Tongatapu to Sydney one-way?

    The cheapet airlines for a one-way flight from Tongatapu to Sydney are Fiji Airways ($255), Qantas Airways ($377), and Air New Zealand ($437).

  • What are the cheapest flights from Tongatapu to Sydney?

    On average you can expect to pay $666 for a flight from Tongatapu to Sydney. The cheapest flight overall is $432 while the most popular route, (Nuku‘alofa Fua'Amotu Intl - Sydney Kingsford Smith) is currently priced at $578.

  • Can I find deals for flights from Tongatapu to Sydney that include hotel bookings?

    Yes. In addition to deals on Tongatapu to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Tongatapu to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Tongatapu to Sydney.

  • Can I find deals for business class flights from Tongatapu to Sydney?

    Yes. Cheapflights offers flight deals from Tongatapu to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Tongatapu to Sydney?

    Currently, February is the cheapest month in which you can book a flight from Tongatapu to Sydney (average of $382). Flying from Tongatapu to Sydney in January is currently the most expensive (average of $858). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Penrith
Manly
Katoomba
Terrigal
Lithgow
Leura
Coogee
Cronulla
Randwick
Bondi Beach

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Tongatapu to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Nuku‘alofa to Sydney flights

Top 2 airlines flying from Tongatapu to Sydney

Discover the top 2 airlines that operate flights from Tongatapu to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 1 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Fiji AirwaysCheapest$435Average$678FlexibilityNo cancel feeOn-time74%
Search Fiji Airways flights
Qantas AirwaysCheapest$739Average$866FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Tongatapu to Sydney?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Tongatapu to Sydney. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Tongatapu to Sydney?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Tongatapu to Sydney.

Can Cheapflights find flights from Tongatapu to Sydney with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Tongatapu to Sydney flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Tongatapu to Sydney become cheaper?

Yes, Cheapflights offers price alerts on Tongatapu to Sydney flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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