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Cheap flights from Sydney to Tongatapu from $390

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 30/12. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — TBU
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to Tongatapu

Keep the following information in mind while searching for Sydney to Tongatapu flight deals. Data was last updated 4 November 2025.

Round-trip from

$776

One-way from

$390

Popular in

December

Cheapest in

March

Average price

$795

Good round-trip deal

$870 or less

Good one-way deal

$453 or less
Fiji Airways
  • Fiji Airways
  • 22/11-29/11
  • 2 total stops
  • 33h 10m total
  • Sydney to Tongatapu
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Fiji Airways
  • Fiji Airways
  • 30/12
  • 1 total stop
  • 17h 30m total
  • Sydney to Tongatapu
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($132 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease ($56 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Sydney Kingsford Smith to Tongatapu.
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Price to beat on a one-way flight from Sydney Kingsford Smith to Tongatapu.
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Find flight deals from Sydney to Tongatapu

Enter your travel dates to find the best prices.

Cheapest flights from Sydney to Tongatapu
Explore the most affordable flight options available from Sydney to Tongatapu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 November 2025.

Sat 22/1107:45SYD - TBU
1 stop10h 35mMultiple Airlines
Sat 29/1116:00TBU - SYD
1 stop22h 35mMultiple Airlines
Deal found 3/11$776
Wed 12/1114:00SYD - TBU
1 stop23h 00mFiji Airways
Tue 18/1105:00TBU - SYD
1 stop9h 35mFiji Airways
Deal found 2/11$795
Tue 11/1109:10SYD - TBU
Nonstop4h 35mMultiple Airlines
Tue 18/1105:00TBU - SYD
1 stop9h 35mMultiple Airlines
Deal found 2/11$796
Mon 1/1219:15SYD - TBU
1 stop23h 05mMultiple Airlines
Mon 8/1211:20TBU - SYD
1 stop27h 15mMultiple Airlines
Deal found 2/11$802
Mon 10/1114:00SYD - TBU
1 stop18h 35mFiji Airways
Wed 12/1105:00TBU - SYD
1 stop9h 35mFiji Airways
Deal found 2/11$842
Wed 12/1114:00SYD - TBU
1 stop9h 05mFiji Airways
Thu 13/1116:00TBU - SYD
1 stop7h 50mFiji Airways
Deal found 2/11$850
Thu 13/1109:55SYD - TBU
1 stop8h 25mMultiple Airlines
Tue 18/1111:20TBU - SYD
1 stop12h 30mMultiple Airlines
Deal found 2/11$868
Mon 17/1119:15SYD - TBU
1 stop23h 05mMultiple Airlines
Thu 20/1105:00TBU - SYD
1 stop18h 50mMultiple Airlines
Deal found 2/11$872
Mon 10/1114:00SYD - TBU
1 stop18h 35mMultiple Airlines
Sat 15/1105:00TBU - SYD
2 stops15h 55mMultiple Airlines
Deal found 2/11$891
Mon 10/1114:00SYD - TBU
1 stop18h 35mMultiple Airlines
Fri 14/1105:00TBU - SYD
2 stops17h 55mMultiple Airlines
Deal found 2/11$892
Sat 22/1109:10SYD - TBU
Nonstop4h 35mMultiple Airlines
Sat 6/1216:00TBU - SYD
1 stop8h 10mMultiple Airlines
Deal found 3/11$895

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sydney to Tongatapu 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 4 November 2025.
Use the filters below to find and compare flights from Sydney to Tongatapu that are best for you.

Fly from

Sydney

Fly to

Tongatapu

Route

Depart

Return

Price

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Sat 22/11

07:45-20:20

1 stop10h 35m

Nuku‘alofa Fua'Amotu Intl

Sat 29/11

16:00-12:35

1 stop22h 35m

$775

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Fri 16/1

14:00-01:05

1 stop9h 05m

Nuku‘alofa Fua'Amotu Intl

Sat 24/1

16:55-20:15

Nonstop5h 20m

$795

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Mon 1/12

19:15-20:20

1 stop23h 05m

Nuku‘alofa Fua'Amotu Intl

Mon 8/12

11:20-12:35

1 stop27h 15m

$802

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Fri 14/11

14:00-01:05

1 stop9h 05m

Nuku‘alofa Fua'Amotu Intl

Tue 18/11

05:00-12:35

1 stop9h 35m

$850

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Tue 25/11

09:55-20:20

1 stop8h 25m

Nuku‘alofa Fua'Amotu Intl

Tue 2/12

11:20-12:35

1 stop27h 15m

$863

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Tue 10/2

14:00-01:50

1 stop9h 50m

Nuku‘alofa Fua'Amotu Intl

Tue 24/2

05:00-16:15

2 stops13h 15m

$866

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Mon 17/11

19:15-20:20

1 stop23h 05m

Nuku‘alofa Fua'Amotu Intl

Thu 20/11

05:00-21:50

1 stop18h 50m

$872

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Tue 30/12

14:00-09:30

1 stop17h 30m

$390

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Fri 21/11

06:00-15:00

1 stop7h 00m

$423

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Thu 20/11

07:45-20:20

1 stop10h 35m

$475

Flights are sorted by cheapest return flights first.

Deals found on 1/11

Showing 1-10 of 17 results
1
2

Best time to book a flight from Sydney to Tongatapu

Have a flexible travel schedule? Discover the best time to fly to Tongatapu from Sydney 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 Sydney to Tongatapu

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

Currently, March is the cheapest month in which you can book a flight from Sydney to Tongatapu (average of $443). Flying from Sydney to Tongatapu in December is currently the most expensive (average of $769). 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 SYD to TT?

Find hourly flight availability from Sydney to Tongatapu. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 November 2025.

A simple way to save on the total cost of your ticket is to fly from Sydney to Tongatapu at midday. If you’re flexible enough to do this you can expect to save up to 24% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from Sydney to Tongatapu?

Use this chart to determine the cheapest time to fly return from Sydney to Tongatapu. Price data was last updated on 2 November 2025.

Travellers seeking maximum savings on their Sydney to Tongatapu flight should consider departing on Saturday afternoons when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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

Reviews of airlines servicing Tongatapu

Get insights into the airlines that provide service to Tongatapu. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Tongatapu. Reviews last updated 4 November 2025.
Check out reviews from past customers who have flown with Fiji Airways, Air New Zealand, andQantas Airways from Sydney to Tongatapu to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Fiji Airways
8.0
Very Good
208 reviews
Check prices

Crew

8.5

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.5

Overall

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
Fiji Airways
8.0
Very Good
208 reviews
Fiji Airways
8.0
Very Good
208 reviews
Check prices

Crew

8.5

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.5

Overall

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
Air New Zealand
8.0
Very Good
521 reviews
Fiji Airways
8.0
Very Good
208 reviews
Check prices

Crew

8.5

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.5

Overall

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
Qantas Airways
7.5
Good
927 reviews
Fiji Airways
8.0
Very Good
208 reviews
Check prices

Crew

8.5

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.5

Overall

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.

Related info for your journey

Find useful and relevant information for your journey from Sydney to Tongatapu. 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 from for flights from Sydney to Tongatapu?

    Sydney Kingsford Smith (SYD) is the airport you will fly out of if you book a flight from Sydney to Tongatapu. It is only a 7.5 km journey to Kingsford Smith (SYD) from Sydney’s city centre.

  • How popular is this Sydney to Tongatapu flight route?

    Flights from Sydney Kingsford Smith to Tongatapu have been viewed 1,697 times in the past calendar month.

  • What are the cheapest flights from Sydney to Tongatapu?

    Looking for the cheapest flight from Sydney to Tongatapu? While on average our users pay $718, our data indicates the cheapest price to be $412. The most popular route (Sydney Kingsford Smith - Nuku‘alofa Fua'Amotu Intl), is priced around $524.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sydney to Tongatapu 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 Sydney to Tongatapu?

    Currently, March is the cheapest month in which you can book a flight from Sydney to Tongatapu (average of $443). Flying from Sydney to Tongatapu in December is currently the most expensive (average of $769). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Sydney to Tongatapu

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

Top 3 airlines flying from Sydney to Tongatapu

Discover the top 3 airlines that operate flights from Sydney to Tongatapu. 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 4 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Fiji AirwaysCheapest$524Average$729FlexibilityNo cancel feeOn-time74%
Search Fiji Airways flights
Qantas AirwaysCheapest$631Average$889FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air New ZealandCheapest$866Average$1,142FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights

Fly with Cheapflights

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

Cheapflights helps you search for flights from Sydney to Tongatapu via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Tongatapu from Sydney.

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

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

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

Yes! Start tracking prices for Sydney to Tongatapu flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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