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Cheap flights from Tonga to Sydney from $369

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 25/8. Fares are subject to change and may not be available on all flights or dates of travel.
TBU — SYD
22 Jul — 29 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Tonga to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Tonga to Sydney
Explore the most affordable flight options available from Tonga to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 June 2026.

Thu 12/1111:20
TBU
-
SYD
1 stop28h 20m
Fiji Airways
Thu 26/1114:00
SYD
-
TBU
1 stop23h 00m
Fiji Airways
Deal found 19/6$644
Sat 21/1116:00
TBU
-
SYD
1 stop8h 05m
Fiji Airways
Thu 3/1206:00
SYD
-
TBU
1 stop7h 00m
Fiji Airways
Deal found 20/6$645
Fri 13/1105:40
TBU
-
SYD
1 stop8h 55m
Fiji Airways
Thu 26/1114:00
SYD
-
TBU
1 stop9h 50m
Fiji Airways
Deal found 19/6$671
Thu 12/1105:40
TBU
-
SYD
1 stop8h 55m
Fiji Airways
Fri 27/1106:00
SYD
-
TBU
1 stop7h 00m
Fiji Airways
Deal found 19/6$677
Mon 9/1111:20
TBU
-
SYD
1 stop27h 15m
Fiji Airways
Thu 26/1114:00
SYD
-
TBU
1 stop9h 50m
Fiji Airways
Deal found 19/6$694
Sat 25/705:40
TBU
-
SYD
2 stops30h 00m
Multiple Airlines
Tue 4/806:15
SYD
-
TBU
1 stop16h 30m
Multiple Airlines
Deal found 19/6$742
Thu 12/1111:20
TBU
-
SYD
1 stop12h 45m
Multiple Airlines
Tue 24/1109:15
SYD
-
TBU
Nonstop4h 40m
Multiple Airlines
Deal found 19/6$748
Mon 9/1111:20
TBU
-
SYD
1 stop12h 45m
Multiple Airlines
Tue 24/1109:15
SYD
-
TBU
Nonstop4h 40m
Multiple Airlines
Deal found 19/6$778
Mon 9/1111:20
TBU
-
SYD
1 stop27h 15m
Fiji Airways
Sun 29/1114:00
SYD
-
TBU
1 stop18h 35m
Fiji Airways
Deal found 19/6$792
Thu 12/1105:40
TBU
-
SYD
2 stops13h 40m
Multiple Airlines
Thu 26/1114:00
SYD
-
TBU
1 stop9h 50m
Multiple Airlines
Deal found 19/6$801
Thu 12/1111:20
TBU
-
SYD
1 stop12h 45m
Multiple Airlines
Sat 28/1109:15
SYD
-
TBU
Nonstop4h 40m
Multiple Airlines
Deal found 19/6$806
Sat 21/1116:00
TBU
-
SYD
1 stop8h 05m
Multiple Airlines
Sat 5/1209:15
SYD
-
TBU
Nonstop4h 40m
Multiple Airlines
Deal found 21/6$822

Find flight deals from Tonga to Sydney

Keep the following information in mind while searching for Tonga to Sydney flight deals. Data was last updated 22 June 2026.

Round-trip from

$644

One-way from

$369

Popular in

July

Cheapest in

February

Average price

$1,049

Good round-trip deal

$897 or less

Good one-way deal

$444 or less
Fiji Airways
  • Fiji Airways
  • 12/11-26/11
  • 2 total stops
  • 51h 20m total
  • Tonga to Sydney
Search Deals
25/8
  • 25/8
  • 2 total stops
  • 16h 55m total
  • Tonga to Sydney
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($149 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($49 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Tonga to Sydney Kingsford Smith.
Search Deals
Price to beat on a one-way flight from Tonga to Sydney Kingsford Smith.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Tonga 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 22 June 2026.
Use the filters below to find and compare flights from Tonga to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Sat 21/11

16:00-22:05

1 stop8h 05m

Sydney Kingsford Smith

Thu 3/12

06:00-15:00

1 stop7h 00m

$645

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Mon 9/11

11:20-12:35

1 stop27h 15m

Sydney Kingsford Smith

Fri 27/11

14:00-15:00

1 stop23h 00m

$694

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Wed 11/11

11:20-12:35

1 stop27h 15m

Sydney Kingsford Smith

Sun 29/11

14:00-10:35

1 stop18h 35m

$792

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Tue 11/8

05:40-11:50

1 stop9h 10m

Sydney Kingsford Smith

Tue 11/8

19:20-14:35

1 stop16h 15m

$881

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Sat 21/11

16:00-12:35

1 stop22h 35m

Sydney Kingsford Smith

Sat 5/12

07:30-17:20

1 stop7h 50m

$896

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Sat 21/11

16:55-20:15

Nonstop5h 20m

Sydney Kingsford Smith

Thu 3/12

06:00-01:50

1 stop17h 50m

$896
Cheapest one-way

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Tue 25/8

05:40-19:35

2 stops16h 55m

$369

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Tue 11/8

05:40-21:50

2 stops19h 10m

$442
Fastest single journey

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Tue 25/8

17:30-20:10

Nonstop5h 40m

$462

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Sat 10/10

16:30-20:10

Nonstop5h 40m

$463

Flights are sorted by cheapest return flights first.

Deals found on 18/6

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight from Tonga to Sydney

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

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

Currently, March is the cheapest month in which you can book a flight from Tonga to Sydney (average of $336). Flying from Tonga to Sydney in January is currently the most expensive (average of $903). 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 TO to SYD?

Find hourly flight availability from Tonga 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 22 June 2026.

When flying from Tonga 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 often are flights from Tonga to Sydney delayed?

About 35% of weekly flights between Tonga and Sydney have experienced delays in the past year, with the average delay time being 89 minutes.

What is the most punctual flight time for Tonga to Sydney flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Tonga to Sydney flights?

Over the past year, Qantas Airways have had the lowest number of delays on this route, with just 35% of flights being delayed.

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated 22 June 2026.
Check out reviews from past customers who have flown with Fiji Airways and Qantas Airways from Tonga to Sydney to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Fiji Airways
8.1
Very Good
244 reviews
Check prices

Entertainment

7.5

Crew

8.5

Food

7.5

Boarding

8.2

Overall

8.1

Comfort

8.1

Reviews

1 / 19
8.0
Excellent

Paul,Mar 2026

YVR - NAN

Flown with Fiji Airways before they have always been good. The crew are very friendly and attentive. The seats in economy are in the small side but good. Another happy flight with them.
Fiji Airways
8.1
Very Good
244 reviews
Fiji Airways
8.1
Very Good
244 reviews
Check prices

Entertainment

7.5

Crew

8.5

Food

7.5

Boarding

8.2

Overall

8.1

Comfort

8.1

Reviews

1 / 19
8.0
Excellent

Paul,Mar 2026

YVR - NAN

Flown with Fiji Airways before they have always been good. The crew are very friendly and attentive. The seats in economy are in the small side but good. Another happy flight with them.
Qantas Airways
7.5
Good
1,048 reviews
Fiji Airways
8.1
Very Good
244 reviews
Check prices

Entertainment

7.5

Crew

8.5

Food

7.5

Boarding

8.2

Overall

8.1

Comfort

8.1

Reviews

1 / 19
8.0
Excellent

Paul,Mar 2026

YVR - NAN

Flown with Fiji Airways before they have always been good. The crew are very friendly and attentive. The seats in economy are in the small side but good. Another happy flight with them.

Related info for your journey

Find useful and relevant information for your journey from Tonga 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 Tonga?

    Most people fly into Sydney Kingsford Smith (SYD) if they book a flight to Sydney from Tonga. Kingsford Smith is conveniently located just 7.5 km from Sydney’s city centre.

  • How popular is this Tonga to Sydney flight route?

    The Tonga to Sydney Kingsford Smith flight path was viewed by 96 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Tonga to Sydney?

    There are many flights that can get you from Tonga to Sydney in 8h 05m. Fly via Fiji Airways to get the fastest option. Airlines will cover a distance of 3584 km.

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

    The cheapest airline one-way is Fiji Airways, with whom users have recently found tickets for as low as $253. However, be on the lookout for offers from Qantas Airways and Air New Zealand, as they are both options that can get you from Tonga to Sydney for a low price.

  • What are the cheapest flights from Tonga to Sydney?

    Looking for the cheapest flight from Tonga to Sydney? While on average our users pay $674, our data indicates the cheapest price to be $363. The most popular route (Nuku‘alofa Fua'Amotu Intl - Sydney Kingsford Smith), is priced around $644.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Tonga to Sydney (average of $336). Flying from Tonga to Sydney in January is currently the most expensive (average of $903). 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
Katoomba
Cronulla
Manly
Terrigal
Lithgow
Randwick
Bondi Beach
Leura
Coogee

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Top 2 airlines flying from Tonga to Sydney

Discover the top 2 airlines that operate flights from Tonga 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 22 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Fiji AirwaysCheapest$490Average$704FlexibilityNo cancel feeOn-time74%
Search Fiji Airways flights
Qantas AirwaysCheapest$736Average$917FlexibilityNo 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 Tonga to Sydney?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Sydney from Tonga today with Cheapflights!

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

Cheapflights simply makes it quick and affordable to book flights from Tonga to Sydney by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

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

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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