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Cheap flights from Tongatapu to Sydney from $422

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 24/10. Fares are subject to change and may not be available on all flights or dates of travel.
TBU — SYD
13 Sep — 20 Sep1
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 14 August 2026.

Fri 23/1010:55 -
1 stop27h 55m
Fri 30/1014:00 -
1 stop9h 45m
Deal found 11/8$595
Thu 10/911:20 -
1 stop27h 30m
Tue 15/913:15 -
1 stop8h 50m
Deal found 11/8$632
Sat 21/1116:00 -
1 stop8h 05m
Thu 3/1206:00 -
1 stop7h 00m
Deal found 13/8$650
Sat 19/905:40 -
1 stop19h 45m
Tue 22/913:15 -
1 stop18h 20m
Deal found 12/8$662
Wed 9/911:20 -
1 stop27h 30m
Tue 15/913:15 -
1 stop8h 50m
Deal found 12/8$682
Sat 24/1005:40 -
1 stop9h 10m
Sat 30/109:15 -
Nonstop4h 40m
Deal found 10/8$716
Fri 23/1010:55 -
2 stops35h 40m
Fri 30/1006:00 -
1 stop17h 45m
Deal found 11/8$738
Sat 19/905:40 -
1 stop19h 45m
Tue 22/909:05 -
Nonstop4h 25m
Deal found 12/8$743
Wed 9/911:20 -
1 stop27h 30m
Tue 15/909:05 -
Nonstop4h 25m
Deal found 12/8$799

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 14 August 2026.

Round-trip from

$595

One-way from

$422

Popular in

January

Cheapest in

February

Average price

$883

Good round-trip deal

$878 or less

Good one-way deal

$447 or less
Fiji Airways
  • Fiji Airways
  • 23/10-30/10
  • 2 total stops
  • 37h 40m total
  • Tongatapu to Sydney
Search Deals
24/10
  • 24/10
  • 2 total stops
  • 16h 55m total
  • Tongatapu to Sydney
Search Deals
High demand for flights, 6% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($33 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from Tongatapu to Sydney Kingsford Smith.
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 14 August 2026.
Use the filters below to find and compare flights from Tongatapu to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Nuku‘alofaSydney

TBU Nuku‘alofa Fua'Amotu Intl - SYD Sydney Kingsford Smith

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Thu 10/9

11:20-11:50

1 stop27h 30m

Sydney Kingsford Smith

Tue 15/9

13:15-01:05

1 stop8h 50m

$632

Nuku‘alofaSydney

TBU Nuku‘alofa Fua'Amotu Intl - SYD Sydney Kingsford Smith

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Sat 24/10

05:40-12:50

1 stop9h 10m

Sydney Kingsford Smith

Sat 30/1

09:15-15:55

Nonstop4h 40m

$716

Nuku‘alofaSydney

TBU Nuku‘alofa Fua'Amotu Intl - SYD Sydney Kingsford Smith

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Sat 19/9

05:40-22:25

1 stop19h 45m

Sydney Kingsford Smith

Tue 22/9

09:05-16:30

Nonstop4h 25m

$743

Nuku‘alofaSydney

TBU Nuku‘alofa Fua'Amotu Intl - SYD Sydney Kingsford Smith

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Wed 9/9

11:20-11:50

1 stop27h 30m

Sydney Kingsford Smith

Tue 15/9

09:05-16:30

Nonstop4h 25m

$799

Nuku‘alofaSydney

TBU Nuku‘alofa Fua'Amotu Intl - SYD Sydney Kingsford Smith

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Sat 24/10

16:30-20:10

Nonstop5h 40m

Sydney Kingsford Smith

Sat 30/1

09:15-15:55

Nonstop4h 40m

$910
Fastest return journey

Nuku‘alofaSydney

TBU Nuku‘alofa Fua'Amotu Intl - SYD Sydney Kingsford Smith

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Sat 12/9

17:30-20:10

Nonstop5h 40m

Sydney Kingsford Smith

Sat 19/9

09:05-16:30

Nonstop4h 25m

$947

Nuku‘alofaSydney

TBU Nuku‘alofa Fua'Amotu Intl - SYD Sydney Kingsford Smith

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Sat 12/9

05:40-15:55

2 stops13h 15m

Sydney Kingsford Smith

Sat 19/9

06:00-15:55

1 stop6h 55m

$948

Nuku‘alofaSydney

TBU Nuku‘alofa Fua'Amotu Intl - SYD Sydney Kingsford Smith

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Fri 23/10

05:40-22:20

2 stops18h 40m

Sydney Kingsford Smith

Fri 30/10

06:30-01:45

2 stops17h 15m

$1,087
Cheapest one-way

Nuku‘alofaSydney

TBU Nuku‘alofa Fua'Amotu Intl - SYD Sydney Kingsford Smith

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Tue 15/9

05:40-17:50

2 stops15h 10m

$452

Nuku‘alofaSydney

TBU Nuku‘alofa Fua'Amotu Intl - SYD Sydney Kingsford Smith

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Wed 21/10

11:20-19:20

2 stops34h 00m

$455

Flights are sorted by cheapest return flights first.

Deals found on 9/8

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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 $616). Flying from Tongatapu to Sydney in January is currently the most expensive (average of $1,192). 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 14 August 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?

Airfare is below average for this route at the moment.
Tongatapu to Sydney flights typically cost between $856 and $897 in October.
The cheapest return price found within the last 5 days was $595 on Fiji Airways (23 Oct–30 Oct).

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, 108 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 27h 30m. 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 ($250), Qantas Airways ($375), and Air New Zealand ($441).

  • What are the cheapest flights from Tongatapu to Sydney?

    On average you can expect to pay $779 for a flight from Tongatapu to Sydney. The cheapest flight overall is $420 while the most popular route, (Nuku‘alofa Fua'Amotu Intl - Sydney Kingsford Smith) is currently priced at $595.

  • 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 $616). Flying from Tongatapu to Sydney in January is currently the most expensive (average of $1,192). 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
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Bondi Beach
Coogee

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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 14 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Fiji AirwaysCheapest$469Average$636FlexibilityNo cancel feeOn-time74%
Search Fiji Airways flights
Qantas AirwaysCheapest$806Average$914FlexibilityNo 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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