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Cheap flights from Sydney to Tonga from $390

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 30/12. 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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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
07:45 - 20:20SYD-TBU
10h 35m1 stop
Multiple Airlines Logo
16:00 - 12:35TBU-SYD
22h 35m1 stop
$775Multiple Airlines
Find Deal
Sat, 22 Nov - Sat, 29 Nov
Multiple Airlines Logo
07:45 - 20:20SYD-TBU
10h 35m1 stop
Multiple Airlines Logo
16:00 - 12:30TBU-SYD
22h 30m1 stop
$776Multiple Airlines
Find Deal
Sat, 22 Nov - Sat, 29 Nov
Multiple Airlines Logo
09:55 - 20:20SYD-TBU
8h 25m1 stop
Multiple Airlines Logo
16:00 - 12:30TBU-SYD
22h 30m1 stop
$778Multiple Airlines
Find Deal
Sat, 22 Nov - Sat, 29 Nov
Multiple Airlines Logo
09:10 - 15:45SYD-TBU
4h 35mdirect
Multiple Airlines Logo
16:00 - 12:35TBU-SYD
22h 35m1 stop
$781Multiple Airlines
Find Deal
Sat, 22 Nov - Sat, 29 Nov
Multiple Airlines Logo
09:10 - 15:45SYD-TBU
4h 35mdirect
Multiple Airlines Logo
16:00 - 12:30TBU-SYD
22h 30m1 stop
$782Multiple Airlines
Find Deal
Sat, 22 Nov - Sat, 29 Nov
Fiji Airways Logo
14:00 - 01:50SYD-TBU
9h 50m1 stop
Fiji Airways Logo
11:20 - 22:05TBU-SYD
12h 45m1 stop
$851Fiji Airways
Find Deal
Tue, 3 Mar - Mon, 16 Mar
Fiji Airways Logo
14:00 - 01:05SYD-TBU
9h 05m1 stop
Fiji Airways Logo
11:20 - 22:05TBU-SYD
12h 45m1 stop
$853Fiji Airways
Find Deal
Mon, 2 Mar - Mon, 16 Mar
Fiji Airways Logo
14:00 - 01:05SYD-TBU
9h 05m1 stop
Fiji Airways Logo
11:20 - 22:05TBU-SYD
12h 45m1 stop
$854Fiji Airways
Find Deal
Fri, 6 Mar - Mon, 16 Mar
Qantas Airways Logo
09:10 - 15:45SYD-TBU
4h 35mdirect
Qantas Airways Logo
16:55 - 20:15TBU-SYD
5h 20mdirect
$895Qantas Airways
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Tue, 25 Nov - Sat, 29 Nov
Fiji Airways Logo
13:15 - 01:05SYD-TBU
8h 50m1 stop
Fiji Airways Logo
05:00 - 11:45TBU-SYD
9h 45m1 stop
$979Fiji Airways
Find Deal
Mon, 6 Apr - Thu, 9 Apr

Fiji Airways flights from Sydney to Tonga

Our best Fiji Airways deals on Sydney to Tonga flight tickets
Fiji Airways
3 Mar
SYD14:00Sydney Kingsford Smith
9h 50m
1 stop
TBU01:50Nuku‘alofa Fua'Amotu Intl
16 Mar
TBU11:20Nuku‘alofa Fua'Amotu Intl
12h 45m
1 stop
SYD22:05Sydney Kingsford Smith
$851
Find similar
Fiji Airways
2 Mar
SYD14:00Sydney Kingsford Smith
9h 05m
1 stop
TBU01:05Nuku‘alofa Fua'Amotu Intl
16 Mar
TBU11:20Nuku‘alofa Fua'Amotu Intl
12h 45m
1 stop
SYD22:05Sydney Kingsford Smith
$853
Find similar
Fiji Airways
6 Mar
SYD14:00Sydney Kingsford Smith
9h 05m
1 stop
TBU01:05Nuku‘alofa Fua'Amotu Intl
16 Mar
TBU11:20Nuku‘alofa Fua'Amotu Intl
12h 45m
1 stop
SYD22:05Sydney Kingsford Smith
$854
Find similar

Qantas Airways flights from Sydney to Tonga

Our best Qantas Airways deals on Sydney to Tonga flight tickets
Qantas Airways
25 Nov
SYD09:10Sydney Kingsford Smith
4h 35m
TBU15:45Nuku‘alofa Fua'Amotu Intl
29 Nov
TBU16:55Nuku‘alofa Fua'Amotu Intl
5h 20m
SYD20:15Sydney Kingsford Smith
$895
Find similar
Qantas Airways
4 Nov
SYD09:10Sydney Kingsford Smith
4h 35m
TBU15:45Nuku‘alofa Fua'Amotu Intl
11 Nov
TBU16:55Nuku‘alofa Fua'Amotu Intl
5h 20m
SYD20:15Sydney Kingsford Smith
$1,013
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 1 November 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

Sat 22/11

07:45-20:20

1 stop10h 35m

Nuku‘alofa Fua'Amotu Intl

Sat 29/11

16:00-12:35

1 stop22h 35m

$775

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Sat 22/11

07:45-20:20

1 stop10h 35m

Nuku‘alofa Fua'Amotu Intl

Sat 29/11

16:00-12:30

1 stop22h 30m

$776

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Sat 22/11

09:55-20:20

1 stop8h 25m

Nuku‘alofa Fua'Amotu Intl

Sat 29/11

16:00-12:30

1 stop22h 30m

$778

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Sat 22/11

09:10-15:45

Nonstop4h 35m

Nuku‘alofa Fua'Amotu Intl

Sat 29/11

16:00-12:35

1 stop22h 35m

$781

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Sat 22/11

09:10-15:45

Nonstop4h 35m

Nuku‘alofa Fua'Amotu Intl

Sat 29/11

16:00-12:30

1 stop22h 30m

$782

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Tue 3/3

14:00-01:50

1 stop9h 50m

Nuku‘alofa Fua'Amotu Intl

Mon 16/3

11:20-22:05

1 stop12h 45m

$851

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Mon 2/3

14:00-01:05

1 stop9h 05m

Nuku‘alofa Fua'Amotu Intl

Mon 16/3

11:20-22:05

1 stop12h 45m

$853

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Fri 6/3

14:00-01:05

1 stop9h 05m

Nuku‘alofa Fua'Amotu Intl

Mon 16/3

11:20-22:05

1 stop12h 45m

$854

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Tue 25/11

09:10-15:45

Nonstop4h 35m

Nuku‘alofa Fua'Amotu Intl

Sat 29/11

16:55-20:15

Nonstop5h 20m

$895

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Mon 6/4

13:15-01:05

1 stop8h 50m

Nuku‘alofa Fua'Amotu Intl

Thu 9/4

05:00-11:45

1 stop9h 45m

$979

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 $762.

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 $786. 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 $1,337.

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 $759 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 $1,001 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 $854 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 $762 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?

No. A direct flight is the cheapest option for a flight between Sydney to Tonga.

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

$453

Fastest flight time

4h 35m

Direct flights

Wed, Fri and Sun

Airports in Tonga

1 airport
The best one-way flight to Tonga from Sydney in the past 72 hours is $453. The best return flight deal from Sydney to Tonga found on momondo in the last 72 hours is $839.
The fastest flight from Sydney to Tonga takes 4h 35m
Direct flights go from Sydney to Tonga on Wednesday, Friday 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 $524Free cancellationRating
8.0
208 reviews
Search Fiji Airways flights
Qantas AirwaysPriceFrom $630Free cancellationRating
7.5
926 reviews
Search Qantas Airways flights
Air New ZealandPriceFrom $866Free cancellationRating
8.0
520 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

Popular Cities in Tonga

Popular flights according to clicks in the last 7 days on momondo
Look for other cheap flights to Nuku‘alofafrom $564
Look for other cheap flights to Vava'ufrom $1,988