Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Tonga to Sydney from $383

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Tonga to Sydney departing on 25/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Tonga to Sydney

Recent return flight deals from Tonga to Sydney

Fiji Airways Logo
16:25 - 22:10TBU-SYD
7h 45m1 stop
Fiji Airways Logo
06:00 - 15:25SYD-TBU
7h 25m1 stop
$576Fiji Airways
Find Deal
Fri, 24 Oct - Fri, 31 Oct
Fiji Airways Logo
05:40 - 12:30TBU-SYD
8h 50m1 stop
Fiji Airways Logo
06:00 - 15:25SYD-TBU
7h 25m1 stop
$602Fiji Airways
Find Deal
Fri, 5 Dec - Sat, 7 Feb
Logo
05:40 - 12:30TBU-SYD
8h 50m1 stop
Logo
09:10 - 15:45SYD-TBU
4h 35mdirect
$750
Find Deal
Fri, 5 Dec - Sat, 7 Feb
Logo
16:25 - 16:20TBU-SYD
25h 55m2 stops
Logo
06:00 - 15:25SYD-TBU
7h 25m1 stop
$846
Find Deal
Fri, 24 Oct - Fri, 31 Oct
Logo
05:40 - 16:15TBU-SYD
12h 35m2 stops
Logo
06:00 - 15:25SYD-TBU
7h 25m1 stop
$874
Find Deal
Fri, 5 Dec - Sat, 7 Feb
Logo
16:25 - 16:20TBU-SYD
25h 55m2 stops
Logo
06:20 - 15:25SYD-TBU
31h 05m2 stops
$1,102
Find Deal
Fri, 24 Oct - Fri, 31 Oct
Logo
17:20 - 20:05TBU-SYD
5h 45mdirect
Logo
10:30 - 09:25SYD-TBU
43h 55m2 stops
$1,247
Find Deal
Sat, 20 Sep - Mon, 22 Sep
Logo
05:40 - 21:55TBU-SYD
19h 15m2 stops
Logo
10:30 - 09:25SYD-TBU
43h 55m2 stops
$1,344
Find Deal
Sat, 20 Sep - Mon, 22 Sep
Logo
16:25 - 16:20TBU-SYD
25h 55m3 stops
Logo
06:20 - 15:25SYD-TBU
31h 05m2 stops
$1,370
Find Deal
Fri, 24 Oct - Fri, 31 Oct
Air New Zealand Logo
21:35 - 17:40TBU-SYD
22h 05m2 stops
Air New Zealand Logo
17:55 - 20:20SYD-TBU
48h 25m2 stops
$1,473Air New Zealand
Find Deal
Fri, 5 Dec - Sat, 7 Feb

Fiji Airways flights from Tonga to Sydney

Our best Fiji Airways deals on Tonga to Sydney flight tickets
Fiji Airways
24 Oct
TBU16:25Nuku‘alofa Fua'Amotu Intl
7h 45m
1 stop
SYD22:10Sydney Kingsford Smith
31 Oct
SYD06:00Sydney Kingsford Smith
7h 25m
1 stop
TBU15:25Nuku‘alofa Fua'Amotu Intl
$576
Find similar
Fiji Airways
5 Dec
TBU05:40Nuku‘alofa Fua'Amotu Intl
8h 50m
1 stop
SYD12:30Sydney Kingsford Smith
7 Feb
SYD06:00Sydney Kingsford Smith
7h 25m
1 stop
TBU15:25Nuku‘alofa Fua'Amotu Intl
$602
Find similar
Fiji Airways
16 Sept
TBU05:00Nuku‘alofa Fua'Amotu Intl
9h 45m
1 stop
SYD11:45Sydney Kingsford Smith
23 Sept
SYD06:00Sydney Kingsford Smith
24h 25m
1 stop
TBU09:25Nuku‘alofa Fua'Amotu Intl
$956
Find similar

momondo 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, momondo users made 78,305 searches. Data last updated 9 September 2025.
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

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Fri 24/10

16:25-22:10

1 stop7h 45m

Sydney Kingsford Smith

Fri 31/10

06:00-15:25

1 stop7h 25m

$576

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Fri 5/12

05:40-12:30

1 stop8h 50m

Sydney Kingsford Smith

Sat 7/2

06:00-15:25

1 stop7h 25m

$602

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Fri 5/12

05:40-12:30

1 stop8h 50m

Sydney Kingsford Smith

Sat 7/2

09:10-15:45

Nonstop4h 35m

$750

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Fri 24/10

16:25-16:20

2 stops25h 55m

Sydney Kingsford Smith

Fri 31/10

06:00-15:25

1 stop7h 25m

$846

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Fri 5/12

05:40-16:15

2 stops12h 35m

Sydney Kingsford Smith

Sat 7/2

06:00-15:25

1 stop7h 25m

$874

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Fri 24/10

16:25-16:20

2 stops25h 55m

Sydney Kingsford Smith

Fri 31/10

06:20-15:25

2 stops31h 05m

$1,102

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Sat 20/9

17:20-20:05

Nonstop5h 45m

Sydney Kingsford Smith

Mon 22/9

10:30-09:25

2 stops43h 55m

$1,247

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Sat 20/9

05:40-21:55

2 stops19h 15m

Sydney Kingsford Smith

Mon 22/9

10:30-09:25

2 stops43h 55m

$1,344

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Fri 24/10

16:25-16:20

3 stops25h 55m

Sydney Kingsford Smith

Fri 31/10

06:20-15:25

2 stops31h 05m

$1,370

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Fri 5/12

21:35-17:40

2 stops22h 05m

Sydney Kingsford Smith

Sat 7/2

17:55-20:20

2 stops48h 25m

$1,473

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Sydney from

How to get the cheapest flight ticket from Tonga to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Sydney?

The month of October is, on average, the cheapest month to fly to Sydney from Tonga, with most prices found around $847. If you aren’t able to travel to Sydney during the month of October, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $874.

What is the cheapest day to depart on your flight to Sydney?

Our data shows that Wednesday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $807. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $1,047.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is in the morning. momondo users have found flights departing from Tonga to Sydney in the morning for as low as $736. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at midday when prices are $1,431 on average. Flights to Sydney from Tonga at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Tonga to Sydney Kingsford Smith flight route?

Fly from Nuku‘alofa Fua'Amotu Intl to Sydney Kingsford Smith for the best Tonga - Sydney Kingsford Smith flight prices

What cabin class options are available on Tonga to Sydney Kingsford Smith flights?

There are 3 cabin classes available to choose from on Tonga to Sydney Kingsford Smith flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Tonga to Sydney flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Tonga to Sydney

Best price found

$446

Fastest flight time

5h 45m

Direct flights

Sun

Airports in Sydney

1 airport
The best one-way flight to Sydney from Tonga in the past 72 hours is $446. The best return flight deal from Tonga to Sydney found on momondo in the last 72 hours is $888.
The fastest flight from Tonga to Sydney takes 5h 45m
Direct flights go from Tonga to Sydney on Sunday. Airline offering direct flights is Qantas Airways..
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)
Search flight deals

  • When did momondo last update prices for flights from Tonga to Sydney Kingsford Smith Airport?

    Prices for flights from Tonga to Sydney Kingsford Smith Airport are updated daily.

  • How many operators does momondo search for flights from Tonga to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from Tonga to Sydney Kingsford Smith Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Tonga to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Tonga to Sydney?

Best airlines flying from Tonga to Sydney

Compare and see reviews for airlines that fly from Tonga to Sydney with momondo
Airline
Rating
Free cancellation
Price
Fiji AirwaysPriceFrom $516Free cancellationRating
8.0
205 reviews
Search Fiji Airways flights
Qantas AirwaysPriceFrom $741Free cancellationRating
7.5
905 reviews
Search Qantas Airways flights

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Terrigal
Penrith
Katoomba
Lithgow
Leura
Manly
Bondi Beach
Coogee
Randwick
Cronulla
Charlestown
Newport
Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Tonga to Sydney?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Tonga to Sydney for you.

Can I find flights from Tonga to Sydney with flexible booking policies on momondo?

momondo does allow users to show only those flights to Sydney from Tonga which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Tonga to Sydney?

Once you have performed a search for Tonga to Sydney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Tonga to Sydney right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Sydney from Tonga. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Sydney trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 9/10
Thu 16/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia