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Cheap flights from Tongatapu to Sydney from $351

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 25/12. Fares are subject to change and may not be available on all flights or dates of travel.
TBU — SYD
22 Nov — 29 Nov1
1 adult
1 adult, Economy

Cheap flight deals from Tongatapu to Sydney

Keep the following information in mind while searching for Tongatapu to Sydney flight deals. Data was last updated 23 October 2025.

Round-trip from

$738

One-way from

$351

Popular in

June

Cheapest in

October

Average price

$876

Good round-trip deal

$979 or less

Good one-way deal

$476 or less
Qantas Airways
  • Qantas Airways
  • 19/12-10/1
  • 1 total stop
  • 13h 25m total
  • Tongatapu to Sydney
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Fiji Airways
  • Fiji Airways
  • 25/12
  • 1 total stop
  • 8h 10m total
  • Tongatapu to Sydney
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($100 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease ($22 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Tongatapu to Sydney Kingsford Smith.
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Price to beat on a one-way flight from Tongatapu to Sydney Kingsford Smith.
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Find 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 23 October 2025.

Fri 19/1205:40TBU - SYD
1 stop8h 50mMultiple Airlines
Sat 10/109:10SYD - TBU
Nonstop4h 35mMultiple Airlines
Deal found 21/10$738
Fri 19/1205:40TBU - SYD
1 stop8h 50mFiji Airways
Sat 10/106:00SYD - TBU
1 stop7h 25mFiji Airways
Deal found 21/10$761
Wed 17/1205:40TBU - SYD
1 stop18h 10mMultiple Airlines
Sat 10/109:10SYD - TBU
Nonstop4h 35mMultiple Airlines
Deal found 21/10$822
Sat 20/1216:55TBU - SYD
Nonstop5h 20mMultiple Airlines
Sat 21/206:00SYD - TBU
1 stop7h 25mMultiple Airlines
Deal found 21/10$833
Wed 17/1205:40TBU - SYD
1 stop18h 10mFiji Airways
Sat 10/106:00SYD - TBU
1 stop7h 25mFiji Airways
Deal found 21/10$845
Fri 5/1216:00TBU - SYD
1 stop23h 00mMultiple Airlines
Fri 12/1209:45SYD - TBU
1 stop14h 05mMultiple Airlines
Deal found 20/10$867
Sat 20/1216:00TBU - SYD
1 stop23h 50mFiji Airways
Tue 20/106:00SYD - TBU
1 stop26h 00mFiji Airways
Deal found 21/10$872
Sat 20/1216:00TBU - SYD
1 stop23h 50mFiji Airways
Sat 21/206:00SYD - TBU
1 stop7h 25mFiji Airways
Deal found 21/10$881
Sat 20/1216:55TBU - SYD
Nonstop5h 20mQantas Airways
Tue 20/109:10SYD - TBU
Nonstop4h 35mQantas Airways
Deal found 21/10$902
Sat 20/1205:40TBU - SYD
2 stops18h 05mMultiple Airlines
Tue 20/114:10SYD - TBU
1 stop9h 40mMultiple Airlines
Deal found 21/10$932

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 23 October 2025.
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 19/12

05:40-12:30

1 stop8h 50m

Sydney Kingsford Smith

Sat 10/1

09:10-15:45

Nonstop4h 35m

$738

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Fri 19/12

05:40-12:30

1 stop8h 50m

Sydney Kingsford Smith

Sat 10/1

06:00-15:25

1 stop7h 25m

$761

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Wed 17/12

05:40-21:50

1 stop18h 10m

Sydney Kingsford Smith

Sat 10/1

09:10-15:45

Nonstop4h 35m

$822

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Sat 20/12

16:55-20:15

Nonstop5h 20m

Sydney Kingsford Smith

Sat 21/2

06:00-15:25

1 stop7h 25m

$833

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Wed 17/12

05:40-21:50

1 stop18h 10m

Sydney Kingsford Smith

Sat 10/1

06:00-15:25

1 stop7h 25m

$845

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Fri 5/12

16:00-13:00

1 stop23h 00m

Sydney Kingsford Smith

Fri 12/12

09:45-01:50

1 stop14h 05m

$867

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Sat 20/12

16:00-13:50

1 stop23h 50m

Sydney Kingsford Smith

Tue 20/1

06:00-10:00

1 stop26h 00m

$872

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Sat 20/12

16:00-13:50

1 stop23h 50m

Sydney Kingsford Smith

Sat 21/2

06:00-15:25

1 stop7h 25m

$881

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Sat 20/12

16:55-20:15

Nonstop5h 20m

Sydney Kingsford Smith

Tue 20/1

14:10-01:50

1 stop9h 40m

$882

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Sat 20/12

16:55-20:15

Nonstop5h 20m

Sydney Kingsford Smith

Tue 20/1

09:10-15:45

Nonstop4h 35m

$902

Flights are sorted by cheapest return flights first.

Deals found on 22/10

Showing 1-10 of 21 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 $393). Flying from Tongatapu to Sydney in January is currently the most expensive (average of $862). 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 23 October 2025.

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, 107 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 8h 50m. 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 flights from Tongatapu to Sydney?

    On average you can expect to pay $768 for a flight from Tongatapu to Sydney. The cheapest flight overall is $455 while the most popular route, (Nuku‘alofa Fua'Amotu Intl - Sydney Kingsford Smith) is currently priced at $613.

  • 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 $393). Flying from Tongatapu to Sydney in January is currently the most expensive (average of $862). 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
Katoomba
Penrith
Manly
Terrigal
Randwick
Coogee
Leura
Lithgow
Bondi Beach
Cronulla

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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 23 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Fiji AirwaysCheapest$467Average$728FlexibilityNo cancel feeOn-time74%
Search Fiji Airways flights
Qantas AirwaysCheapest$753Average$931FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

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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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