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Cheap flights from Sydney to Tonga from $405

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Tonga departing on 25/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Sydney to Tonga

Cheap return flights

Fiji Airways Logo
14:15 - 01:45SYD-TBU
9h 30m1 stop
Fiji Airways Logo
16:25 - 21:50TBU-SYD
7h 25m1 stop
$629Fiji Airways
Find Deal
Thu, 30 Oct - Thu, 6 Nov
Fiji Airways Logo
14:15 - 15:25SYD-TBU
23h 10m1 stop
Fiji Airways Logo
10:25 - 21:50TBU-SYD
13h 25m1 stop
$647Fiji Airways
Find Deal
Wed, 29 Oct - Wed, 5 Nov
Fiji Airways Logo
06:00 - 15:25SYD-TBU
7h 25m1 stop
Fiji Airways Logo
16:25 - 21:50TBU-SYD
7h 25m1 stop
$648Fiji Airways
Find Deal
Thu, 30 Oct - Thu, 6 Nov
Fiji Airways Logo
06:00 - 15:25SYD-TBU
7h 25m1 stop
Fiji Airways Logo
16:25 - 21:50TBU-SYD
7h 25m1 stop
$651Fiji Airways
Find Deal
Thu, 30 Oct - Thu, 6 Nov
Fiji Airways Logo
14:10 - 01:05SYD-TBU
8h 55m1 stop
Fiji Airways Logo
16:25 - 21:50TBU-SYD
7h 25m1 stop
$656Fiji Airways
Find Deal
Tue, 11 Nov - Fri, 21 Nov
Logo
09:10 - 15:45SYD-TBU
4h 35mdirect
Logo
16:25 - 21:50TBU-SYD
7h 25m1 stop
$758
Find Deal
Tue, 11 Nov - Fri, 21 Nov
Qantas Airways Logo
09:10 - 15:45SYD-TBU
4h 35mdirect
Qantas Airways Logo
16:55 - 20:15TBU-SYD
5h 20mdirect
$834Qantas Airways
Find Deal
Tue, 11 Nov - Tue, 18 Nov
Qantas Airways Logo
09:05 - 15:25SYD-TBU
4h 20mdirect
Qantas Airways Logo
16:20 - 20:05TBU-SYD
5h 45mdirect
$867Qantas Airways
Find Deal
Sat, 11 Oct - Sat, 18 Oct
Qantas Airways Logo
09:05 - 15:25SYD-TBU
4h 20mdirect
Qantas Airways Logo
16:20 - 20:05TBU-SYD
5h 45mdirect
$897Qantas Airways
Find Deal
Tue, 14 Oct - Tue, 21 Oct
Qantas Airways Logo
09:05 - 16:25SYD-TBU
4h 20mdirect
Qantas Airways Logo
16:20 - 20:05TBU-SYD
5h 45mdirect
$912Qantas Airways
Find Deal
Sat, 4 Oct - Sat, 18 Oct

Qantas Airways flights from Sydney to Tonga

Our best Qantas Airways deals on Sydney to Tonga flight tickets
Qantas Airways
11 Nov
SYD09:10Sydney Kingsford Smith
4h 35m
TBU15:45Nuku‘alofa Fua'Amotu Intl
18 Nov
TBU16:55Nuku‘alofa Fua'Amotu Intl
5h 20m
SYD20:15Sydney Kingsford Smith
$834
Find similar
Qantas Airways
11 Oct
SYD09:05Sydney Kingsford Smith
4h 20m
TBU15:25Nuku‘alofa Fua'Amotu Intl
18 Oct
TBU16:20Nuku‘alofa Fua'Amotu Intl
5h 45m
SYD20:05Sydney Kingsford Smith
$867
Find similar
Qantas Airways
14 Oct
SYD09:05Sydney Kingsford Smith
4h 20m
TBU15:25Nuku‘alofa Fua'Amotu Intl
21 Oct
TBU16:20Nuku‘alofa Fua'Amotu Intl
5h 45m
SYD20:05Sydney Kingsford Smith
$897
Find similar

Fiji Airways flights from Sydney to Tonga

Our best Fiji Airways deals on Sydney to Tonga flight tickets
Fiji Airways
30 Oct
SYD14:15Sydney Kingsford Smith
9h 30m
1 stop
TBU01:45Nuku‘alofa Fua'Amotu Intl
6 Nov
TBU16:25Nuku‘alofa Fua'Amotu Intl
7h 25m
1 stop
SYD21:50Sydney Kingsford Smith
$629
Find similar
Fiji Airways
29 Oct
SYD14:15Sydney Kingsford Smith
23h 10m
1 stop
TBU15:25Nuku‘alofa Fua'Amotu Intl
5 Nov
TBU10:25Nuku‘alofa Fua'Amotu Intl
13h 25m
1 stop
SYD21:50Sydney Kingsford Smith
$647
Find similar
Fiji Airways
30 Oct
SYD06:00Sydney Kingsford Smith
7h 25m
1 stop
TBU15:25Nuku‘alofa Fua'Amotu Intl
6 Nov
TBU16:25Nuku‘alofa Fua'Amotu Intl
7h 25m
1 stop
SYD21:50Sydney Kingsford Smith
$648
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Sydney to Tonga 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 16 September 2025.
Use the filters below to find and compare flights from Sydney to Tonga that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Thu 30/10

14:15-01:45

1 stop9h 30m

Nuku‘alofa Fua'Amotu Intl

Thu 6/11

16:25-21:50

1 stop7h 25m

$629

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Wed 29/10

14:15-15:25

1 stop23h 10m

Nuku‘alofa Fua'Amotu Intl

Wed 5/11

10:25-21:50

1 stop13h 25m

$647

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Thu 30/10

06:00-15:25

1 stop7h 25m

Nuku‘alofa Fua'Amotu Intl

Thu 6/11

16:25-21:50

1 stop7h 25m

$648

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Thu 30/10

06:00-15:25

1 stop7h 25m

Nuku‘alofa Fua'Amotu Intl

Thu 6/11

16:25-21:50

1 stop7h 25m

$651

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Tue 11/11

14:10-01:05

1 stop8h 55m

Nuku‘alofa Fua'Amotu Intl

Fri 21/11

16:25-21:50

1 stop7h 25m

$656

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Tue 11/11

09:10-15:45

Nonstop4h 35m

Nuku‘alofa Fua'Amotu Intl

Fri 21/11

16:25-21:50

1 stop7h 25m

$758

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Tue 11/11

09:10-15:45

Nonstop4h 35m

Nuku‘alofa Fua'Amotu Intl

Tue 18/11

16:55-20:15

Nonstop5h 20m

$834

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Sat 11/10

09:05-15:25

Nonstop4h 20m

Nuku‘alofa Fua'Amotu Intl

Sat 18/10

16:20-20:05

Nonstop5h 45m

$867

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Tue 14/10

09:05-15:25

Nonstop4h 20m

Nuku‘alofa Fua'Amotu Intl

Tue 21/10

16:20-20:05

Nonstop5h 45m

$897

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Sat 4/10

09:05-16:25

Nonstop4h 20m

Nuku‘alofa Fua'Amotu Intl

Sat 18/10

16:20-20:05

Nonstop5h 45m

$912

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Tonga from

How to get the cheapest flight ticket from Sydney to Tonga

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 Tonga?

The month of August is another great option to travel to Tonga, with average flight prices from Sydney averaging around $746.

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

On average, the least expensive day to fly to Tonga from Sydney is on a Monday. momondo users have found tickets for Monday departures for as low as $772. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Thursday is the most expensive day to depart from Sydney because it is more convenient for both business and leisure travellers. As a result, prices tend to be around $1,217.

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

Flying to Tonga from Sydney at midday is the least expensive time of day to depart. momondo users have found prices as low as $745 when looking at flights departing at midday. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $983 on average. Flights to Tonga from Sydney in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

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

How far in advance should I book a flight to Tonga?

You are more likely to see cheaper flights to Tonga from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Tonga for around $835 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Tonga from Sydney for as low as $749 on momondo.

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

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

Can stopping save me money on Sydney to Tonga flights?

You could potentially save up to 16% on your flight if you consider stops on a Sydney to Tonga flight.

Cheap Sydney to Tonga flight deals and tips

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

Best price found

$447

Fastest flight time

4h 20m

Direct flights

Wed and Sun

Airports in Tonga

1 airport
The best one-way flight to Tonga from Sydney in the past 72 hours is $447. The best return flight deal from Sydney to Tonga found on momondo in the last 72 hours is $799.
The fastest flight from Sydney to Tonga takes 4h 20m
Direct flights go from Sydney to Tonga on Wednesday and Sunday. Airline offering direct flights is Qantas Airways..
There is 1 airport near Tonga: Nuku‘alofa Fua'Amotu Intl (TBU)
Search flight deals

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Sydney Kingsford Smith Airport to Tonga.

  • What documentation or ID do you need to fly to Tonga?

    The travel and health documents required for your trip to Tonga can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Tonga. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from Sydney to Tonga

Compare and see reviews for airlines that fly from Sydney to Tonga with momondo
Airline
Rating
Free cancellation
Price
Fiji AirwaysPriceFrom $521Free cancellationRating
8.0
205 reviews
Search Fiji Airways flights
Qantas AirwaysPriceFrom $618Free cancellationRating
7.5
905 reviews
Search Qantas Airways flights
Air New ZealandPriceFrom $856Free cancellationRating
8.0
505 reviews
Search Air New Zealand flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Sydney to Tonga. momondo saves you time and could save you money on your trip.

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

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

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

momondo helps you find the best flight between Sydney and Tonga by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Tonga from Sydney are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Tonga 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.
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Find better results for your trip to Tonga

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Popular flights according to clicks in the last 7 days on momondo
Look for other cheap flights to Nuku‘alofafrom $618
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