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Cheap flights from Sydney to Tongatapu from $317

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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — TBU
4 Apr — 11 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap 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 5 Maret 2026.

Kam 16/413:15
SYD
-
TBU
1 stop9h 30m
Fiji Airways
Sel 21/411:20
TBU
-
SYD
1 stop27h 45m
Fiji Airways
Deal found 2/3$586
Jum 24/413:15
SYD
-
TBU
1 stop8h 50m
Fiji Airways
Sel 28/411:20
TBU
-
SYD
1 stop13h 50m
Fiji Airways
Deal found 5/3$609
Sel 21/413:15
SYD
-
TBU
1 stop18h 20m
Fiji Airways
Sel 5/505:40
TBU
-
SYD
1 stop9h 10m
Fiji Airways
Deal found 1/3$610
Kam 16/406:00
SYD
-
TBU
1 stop16h 45m
Fiji Airways
Kam 23/405:00
TBU
-
SYD
1 stop9h 50m
Fiji Airways
Deal found 1/3$614
Sel 24/314:00
SYD
-
TBU
1 stop18h 35m
Fiji Airways
Sel 31/305:40
TBU
-
SYD
1 stop18h 25m
Fiji Airways
Deal found 5/3$637
Min 28/614:10
SYD
-
TBU
1 stop17h 25m
Fiji Airways
Jum 17/705:40
TBU
-
SYD
1 stop9h 10m
Fiji Airways
Deal found 3/3$651
Sab 21/309:55
SYD
-
TBU
1 stop8h 35m
Multiple Airlines
Sab 28/316:00
TBU
-
SYD
1 stop22h 50m
Multiple Airlines
Deal found 5/3$658
Kam 12/314:00
SYD
-
TBU
1 stop23h 00m
Fiji Airways
Sel 17/311:00
TBU
-
SYD
1 stop13h 05m
Fiji Airways
Deal found 3/3$668

Find flight deals from Sydney to Tongatapu

Keep the following information in mind while searching for Sydney to Tongatapu flight deals. Data was last updated 5 Maret 2026.

Round-trip from

$586

One-way from

$317

Popular in

December

Cheapest in

February

Average price

$734

Good round-trip deal

$769 or less

Good one-way deal

$464 or less
Fiji Airways
  • Fiji Airways
  • 16/4-21/4
  • 2 total stops
  • 37h 15m total
  • Sydney to Tongatapu
Search Deals
Fiji Airways
  • Fiji Airways
  • 11/4
  • 1 total stop
  • 6h 55m total
  • Sydney to Tongatapu
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($132 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($47 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Sydney Kingsford Smith to Tongatapu.
Search Deals
Price to beat on a one-way flight from Sydney Kingsford Smith to Tongatapu.
Search Deals

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 5 Maret 2026.
Use the filters below to find and compare flights from Sydney to Tongatapu that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Kam 16/4

06:00-01:45

1 stop16h 45m

Nuku‘alofa Fua'Amotu Intl

Kam 23/4

05:00-11:50

1 stop9h 50m

$614

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Sel 24/3

14:00-10:35

1 stop18h 35m

Nuku‘alofa Fua'Amotu Intl

Sel 31/3

05:40-12:50

1 stop9h 10m

$641

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Sab 21/3

09:55-20:30

1 stop8h 35m

Nuku‘alofa Fua'Amotu Intl

Sab 28/3

16:00-12:50

1 stop22h 50m

$658

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Jum 1/5

13:15-15:55

1 stop23h 40m

Nuku‘alofa Fua'Amotu Intl

Sel 5/5

11:20-12:05

1 stop27h 45m

$684

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Sen 22/6

06:00-01:45

1 stop16h 45m

Nuku‘alofa Fua'Amotu Intl

Jum 3/7

05:40-11:50

1 stop9h 10m

$727

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Sab 21/3

07:45-20:30

1 stop10h 45m

Nuku‘alofa Fua'Amotu Intl

Sab 28/3

21:45-08:45

1 stop13h 00m

$755
Fastest return journey

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Sab 4/4

09:05-15:30

Nonstop4h 25m

Nuku‘alofa Fua'Amotu Intl

Sab 11/4

17:30-20:10

Nonstop5h 40m

$887
Cheapest one-way

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Sab 11/4

06:00-15:55

1 stop6h 55m

$317

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Kam 16/4

06:00-15:55

1 stop6h 55m

$328

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Sab 25/4

06:00-15:55

1 stop6h 55m

$331

Flights are sorted by cheapest return flights first.

Deals found on 3/3

Showing 1-10 of 19 resultsSorted by cheapest first
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 $422). Flying from Sydney to Tongatapu in December is currently the most expensive (average of $657). 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 5 Maret 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sydney to Tongatapu as you normally would.

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 5 Maret 2026.
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
228 reviews
Check prices

Food

7.5

Crew

8.5

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 18
10.0
Excellent

Anonymous,Feb 2026

SFO - NAN

Very friendly staff, warm service, well maintained aircraft, comfortable seats, and reliable on-time performance 👍👍
Fiji Airways
8.0
Very Good
228 reviews
Fiji Airways
8.0
Very Good
228 reviews
Check prices

Food

7.5

Crew

8.5

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 18
10.0
Excellent

Anonymous,Feb 2026

SFO - NAN

Very friendly staff, warm service, well maintained aircraft, comfortable seats, and reliable on-time performance 👍👍
Air New Zealand
8.0
Very Good
607 reviews
Fiji Airways
8.0
Very Good
228 reviews
Check prices

Food

7.5

Crew

8.5

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 18
10.0
Excellent

Anonymous,Feb 2026

SFO - NAN

Very friendly staff, warm service, well maintained aircraft, comfortable seats, and reliable on-time performance 👍👍
Qantas Airways
7.5
Good
1,002 reviews
Fiji Airways
8.0
Very Good
228 reviews
Check prices

Food

7.5

Crew

8.5

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 18
10.0
Excellent

Anonymous,Feb 2026

SFO - NAN

Very friendly staff, warm service, well maintained aircraft, comfortable seats, and reliable on-time performance 👍👍

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 1,611 times in the past calendar month.

  • How long is the flight from Sydney to Tongatapu?

    There are many flights that can get you from Sydney to Tongatapu in 16h 45m. Fly via Fiji Airways to get the fastest option. There are 3584 km between Sydney and Tongatapu.

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

    The cheapest airline one-way is Fiji Airways, with whom users have recently found tickets for as low as $256. However, be on the lookout for offers from Qantas Airways and Air New Zealand, as they are both options that can get you from Sydney to Tongatapu for a low price.

  • What are the cheapest flights from Sydney to Tongatapu?

    Looking for the cheapest flight from Sydney to Tongatapu? While on average our users pay $704, our data indicates the cheapest price to be $354. The most popular route (Sydney Kingsford Smith - Nuku‘alofa Fua'Amotu Intl), is priced around $586.

  • 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 $422). Flying from Sydney to Tongatapu in December is currently the most expensive (average of $657). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 5 Maret 2026.
AirlineCheapestAverageFlexibilityOn-time
Fiji AirwaysCheapest$464Average$685FlexibilityNo cancel feeOn-time74%
Search Fiji Airways flights
Qantas AirwaysCheapest$586Average$841FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air New ZealandCheapest$814Average$1,012FlexibilityNo cancel feeOn-time78%
Search Air New Zealand 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 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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