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Cheap flights from Tonga to Sydney from $372

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 18/7. 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

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Find the cheapest flights from Tonga to Sydney

Recent return flight deals from Tonga to Sydney

Enter your travel dates to find the best prices.
Fiji Airways Logo
16:00 - 22:05
TBU
-
SYD
8h 05m
1 stop
Fiji Airways Logo
06:00 - 15:00
SYD
-
TBU
7h 00m
1 stop
$549Fiji Airways
Sat, 7 Mar - Sat, 14 Mar
Fiji Airways Logo
16:55 - 22:10
TBU
-
SYD
8h 15m
1 stop
Fiji Airways Logo
13:15 - 01:05
SYD
-
TBU
8h 50m
1 stop
$576Fiji Airways
Fri, 15 May - Fri, 5 Jun
Fiji Airways Logo
11:20 - 22:10
TBU
-
SYD
13h 50m
1 stop
Fiji Airways Logo
13:15 - 01:05
SYD
-
TBU
8h 50m
1 stop
$577Fiji Airways
Mon, 18 May - Tue, 2 Jun
Fiji Airways Logo
11:20 - 11:50
TBU
-
SYD
27h 30m
1 stop
Fiji Airways Logo
13:15 - 10:35
SYD
-
TBU
18h 20m
1 stop
$613Fiji Airways
Mon, 20 Apr - Tue, 2 Jun
Fiji Airways Logo
05:40 - 11:50
TBU
-
SYD
9h 10m
1 stop
Fiji Airways Logo
06:00 - 10:35
SYD
-
TBU
25h 35m
1 stop
$627Fiji Airways
Tue, 12 May - Sun, 31 May
Multiple Airlines Logo
05:00 - 22:05
TBU
-
SYD
19h 05m
2 stops
Multiple Airlines Logo
06:00 - 15:00
SYD
-
TBU
7h 00m
1 stop
$685Multiple Airlines
Sat, 7 Mar - Sat, 14 Mar
Multiple Airlines Logo
16:00 - 22:05
TBU
-
SYD
8h 05m
1 stop
Multiple Airlines Logo
09:10 - 15:45
SYD
-
TBU
4h 35mdirect
$712Multiple Airlines
Sat, 7 Mar - Sat, 14 Mar
Multiple Airlines Logo
11:20 - 12:05
TBU
-
SYD
27h 45m
1 stop
Multiple Airlines Logo
09:05 - 16:30
SYD
-
TBU
4h 25mdirect
$715Multiple Airlines
Tue, 21 Apr - Tue, 2 Jun
Multiple Airlines Logo
05:00 - 11:50
TBU
-
SYD
9h 50m
1 stop
Multiple Airlines Logo
09:05 - 16:30
SYD
-
TBU
4h 25mdirect
$727Multiple Airlines
Sat, 18 Apr - Tue, 2 Jun
Multiple Airlines Logo
11:20 - 22:10
TBU
-
SYD
13h 50m
1 stop
Multiple Airlines Logo
09:05 - 16:30
SYD
-
TBU
4h 25mdirect
$731Multiple Airlines
Tue, 12 May - Sat, 30 May

Fiji Airways flights from Tonga to Sydney

Our best Fiji Airways deals on Tonga to Sydney flight tickets
Fiji Airways
7 Mar
TBU16:00Nuku‘alofa Fua'Amotu Intl
8h 05m
1 stop
SYD22:05Sydney Kingsford Smith
14 Mar
SYD06:00Sydney Kingsford Smith
7h 00m
1 stop
TBU15:00Nuku‘alofa Fua'Amotu Intl
$549
Fiji Airways
15 May
TBU16:55Nuku‘alofa Fua'Amotu Intl
8h 15m
1 stop
SYD22:10Sydney Kingsford Smith
5 June
SYD13:15Sydney Kingsford Smith
8h 50m
1 stop
TBU01:05Nuku‘alofa Fua'Amotu Intl
$576
Fiji Airways
18 May
TBU11:20Nuku‘alofa Fua'Amotu Intl
13h 50m
1 stop
SYD22:10Sydney Kingsford Smith
2 June
SYD13:15Sydney Kingsford Smith
8h 50m
1 stop
TBU01:05Nuku‘alofa Fua'Amotu Intl
$577

Qantas Airways flights from Tonga to Sydney

Our best Qantas Airways deals on Tonga to Sydney flight tickets
Qantas Airways
21 Apr
TBU17:30Nuku‘alofa Fua'Amotu Intl
5h 40m
SYD20:10Sydney Kingsford Smith
2 June
SYD09:05Sydney Kingsford Smith
4h 25m
TBU16:30Nuku‘alofa Fua'Amotu Intl
$866
Qantas Airways
12 May
TBU17:30Nuku‘alofa Fua'Amotu Intl
5h 40m
SYD20:10Sydney Kingsford Smith
30 May
SYD09:05Sydney Kingsford Smith
4h 25m
TBU16:30Nuku‘alofa Fua'Amotu Intl
$875
Qantas Airways
7 Mar
TBU16:55Nuku‘alofa Fua'Amotu Intl
5h 20m
SYD20:15Sydney Kingsford Smith
14 Mar
SYD09:10Sydney Kingsford Smith
4h 35m
TBU15:45Nuku‘alofa Fua'Amotu Intl
$888

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 8 February 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

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Sat 7/3

16:00-22:05

1 stop8h 05m

Sydney Kingsford Smith

Sat 14/3

06:00-15:00

1 stop7h 00m

$549

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Fri 15/5

16:55-22:10

1 stop8h 15m

Sydney Kingsford Smith

Fri 5/6

13:15-01:05

1 stop8h 50m

$576

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Mon 18/5

11:20-22:10

1 stop13h 50m

Sydney Kingsford Smith

Tue 2/6

13:15-01:05

1 stop8h 50m

$577

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Mon 20/4

11:20-11:50

1 stop27h 30m

Sydney Kingsford Smith

Tue 2/6

13:15-10:35

1 stop18h 20m

$613

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Tue 12/5

05:40-11:50

1 stop9h 10m

Sydney Kingsford Smith

Sun 31/5

06:00-10:35

1 stop25h 35m

$627

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Sat 7/3

05:00-22:05

2 stops19h 05m

Sydney Kingsford Smith

Sat 14/3

06:00-15:00

1 stop7h 00m

$685

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Sat 7/3

16:00-22:05

1 stop8h 05m

Sydney Kingsford Smith

Sat 14/3

09:10-15:45

Nonstop4h 35m

$712

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Tue 21/4

11:20-12:05

1 stop27h 45m

Sydney Kingsford Smith

Tue 2/6

09:05-16:30

Nonstop4h 25m

$715

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Sat 18/4

05:00-11:50

1 stop9h 50m

Sydney Kingsford Smith

Tue 2/6

09:05-16:30

Nonstop4h 25m

$727

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Tue 12/5

11:20-22:10

1 stop13h 50m

Sydney Kingsford Smith

Sat 30/5

09:05-16:30

Nonstop4h 25m

$731

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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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 $811. If you aren’t able to travel to Sydney during the month of October, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $836.

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

Our data shows that Saturday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $856. The most expensive day to fly to Sydney is Tuesday, with ticket prices averaging around $873.

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

Fastest flight time

8h 55m

Direct flights

Wed and Sun

Airports in Sydney

1 airport
The fastest flight from Tonga to Sydney takes 8h 55m
Direct flights go from Tonga to Sydney on Wednesday and Sunday. Airline offering direct flights is Qantas Airways..
There is 1 airport in Sydney. From Tonga there are direct flights to 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 $432Free cancellationRating
8.0
225 reviews
Search Fiji Airways flights
Qantas AirwaysPriceFrom $734Free cancellationRating
7.5
988 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
Coogee
Bondi Beach
Cronulla
Randwick
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.

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