Cheap flights from Australia to Tonga from $341

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Australia to Tonga departing on 20/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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.

Find the cheapest flights from Australia to Tonga

Recent return flight deals from Australia to Tonga

Fiji Airways Logo
14:15 - 15:25SYD-TBU
23h 10m1 stop
Fiji Airways Logo
11:20 - 12:30TBU-SYD
27h 10m1 stop
$655Fiji Airways
Find Deal
Wed, 29 Oct - Mon, 3 Nov
Fiji Airways Logo
06:00 - 09:25SYD-TBU
25h 25m1 stop
Fiji Airways Logo
11:20 - 12:45TBU-SYD
27h 25m1 stop
$661Fiji Airways
Find Deal
Tue, 7 Oct - Tue, 14 Oct
Fiji Airways Logo
06:00 - 15:25SYD-TBU
7h 25m1 stop
Fiji Airways Logo
16:25 - 21:50TBU-SYD
7h 25m1 stop
$666Fiji Airways
Find Deal
Sat, 18 Oct - Sat, 1 Nov
Fiji Airways Logo
14:15 - 01:45SYD-TBU
9h 30m1 stop
Fiji Airways Logo
16:25 - 13:15TBU-SYD
22h 50m1 stop
$680Fiji Airways
Find Deal
Fri, 10 Oct - Fri, 17 Oct
Fiji Airways Logo
11:35 - 09:25BNE-TBU
18h 50m1 stop
Fiji Airways Logo
10:25 - 10:25TBU-BNE
27h 00m1 stop
$694Fiji Airways
Find Deal
Tue, 14 Oct - Wed, 22 Oct
 Logo
09:05 - 15:25SYD-TBU
4h 20mdirect
 Logo
16:25 - 21:50TBU-SYD
7h 25m1 stop
Sat, 18 Oct - Sat, 1 Nov
 Logo
14:15 - 15:25SYD-TBU
23h 10m1 stop
 Logo
16:25 - 08:05TBU-SYD
41h 40m2 stops
Thu, 9 Oct - Thu, 16 Oct
Qantas Airways Logo
09:05 - 16:25SYD-TBU
4h 20mdirect
Qantas Airways Logo
17:20 - 20:05TBU-SYD
5h 45mdirect
$916Qantas Airways
Find Deal
Tue, 2 Sep - Tue, 9 Sep
Qantas Airways Logo
09:05 - 15:25SYD-TBU
4h 20mdirect
Qantas Airways Logo
16:20 - 20:05TBU-SYD
5h 45mdirect
$934Qantas Airways
Find Deal
Sat, 11 Oct - Sat, 18 Oct
Air New Zealand Logo
08:45 - 11:10SYD-TBU
23h 25m1 stop
Air New Zealand Logo
12:20 - 21:40TBU-SYD
12h 20m1 stop
$1,002Air New Zealand
Find Deal
Mon, 1 Sep - Tue, 9 Sep

Fiji Airways flights from Australia to Tonga

Our best Fiji Airways deals on Australia to Tonga flight tickets
Fiji Airways
29 Oct
SYD14:15Sydney Kingsford Smith
23h 10m
1 stop
TBU15:25Nuku‘alofa Fua'Amotu Intl
3 Nov
TBU11:20Nuku‘alofa Fua'Amotu Intl
27h 10m
1 stop
SYD12:30Sydney Kingsford Smith
Fiji Airways
7 Oct
SYD06:00Sydney Kingsford Smith
25h 25m
1 stop
TBU09:25Nuku‘alofa Fua'Amotu Intl
14 Oct
TBU11:20Nuku‘alofa Fua'Amotu Intl
27h 25m
1 stop
SYD12:45Sydney Kingsford Smith
Fiji Airways
18 Oct
SYD06:00Sydney Kingsford Smith
7h 25m
1 stop
TBU15:25Nuku‘alofa Fua'Amotu Intl
1 Nov
TBU16:25Nuku‘alofa Fua'Amotu Intl
7h 25m
1 stop
SYD21:50Sydney Kingsford Smith

Qantas Airways flights from Australia to Tonga

Our best Qantas Airways deals on Australia to Tonga flight tickets
Qantas Airways
2 Sept
SYD09:05Sydney Kingsford Smith
4h 20m
TBU16:25Nuku‘alofa Fua'Amotu Intl
9 Sept
TBU17:20Nuku‘alofa Fua'Amotu Intl
5h 45m
SYD20:05Sydney Kingsford Smith
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
Qantas Airways
2 Sept
SYD09:05Sydney Kingsford Smith
4h 20m
TBU16:25Nuku‘alofa Fua'Amotu Intl
13 Sept
TBU17:20Nuku‘alofa Fua'Amotu Intl
5h 45m
SYD20:05Sydney Kingsford Smith

momondo Fare Finder

 
Customise your flight search to find flights from Australia 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 27 August 2025.
Use the filters below to find and compare flights from Australia to Tonga that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Wed 29/10

14:15-15:25

1 stop23h 10m

Nuku‘alofa Fua'Amotu Intl

Mon 3/11

11:20-12:30

1 stop27h 10m

$655

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Tue 7/10

06:00-09:25

1 stop25h 25m

Nuku‘alofa Fua'Amotu Intl

Tue 14/10

11:20-12:45

1 stop27h 25m

$661

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Sat 18/10

06:00-15:25

1 stop7h 25m

Nuku‘alofa Fua'Amotu Intl

Sat 1/11

16:25-21:50

1 stop7h 25m

$666

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Fri 10/10

14:15-01:45

1 stop9h 30m

Nuku‘alofa Fua'Amotu Intl

Fri 17/10

16:25-13:15

1 stop22h 50m

$680

BrisbaneNuku‘alofa

BNE - TBU

BNETBU

Brisbane

Tue 14/10

11:35-09:25

1 stop18h 50m

Nuku‘alofa Fua'Amotu Intl

Wed 22/10

10:25-10:25

1 stop27h 00m

$694

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Sat 18/10

09:05-15:25

Nonstop4h 20m

Nuku‘alofa Fua'Amotu Intl

Sat 1/11

16:25-21:50

1 stop7h 25m

$706

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Thu 9/10

14:15-15:25

1 stop23h 10m

Nuku‘alofa Fua'Amotu Intl

Thu 16/10

16:25-08:05

2 stops41h 40m

$763

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Tue 2/9

09:05-16:25

Nonstop4h 20m

Nuku‘alofa Fua'Amotu Intl

Tue 9/9

17:20-20:05

Nonstop5h 45m

$916

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

$934

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Mon 1/9

08:45-11:10

1 stop23h 25m

Nuku‘alofa Fua'Amotu Intl

Tue 9/9

12:20-21:40

1 stop12h 20m

$1,002

Flights are sorted by cheapest return flights first.

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

See travel insights to Tonga from

How to get the cheapest flight ticket from Australia 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 May is another great option to travel to Tonga, with average flight prices from Australia averaging around $780.

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

On average, the least expensive day to fly to Tonga from Australia is on a Monday. momondo users have found tickets for Monday departures for as low as $793. 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 Australia because it is more convenient for both business and leisure travellers. As a result, prices tend to be around $1,249.

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

Flying to Tonga from Australia at midday is the least expensive time of day to depart. momondo users have found prices as low as $766 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 $1,009 on average. Flights to Tonga from Australia in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Australia to Tonga flight route?

Fly from Sydney Kingsford Smith to Nuku‘alofa Fua'Amotu Intl for the best Australia - 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 Australia when booking weeks ahead of your departure date. In general, you can expect to find flights to Tonga for around $844 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 Australia for as low as $737 on momondo.

What cabin class options are available on Australia to Tonga flights?

There are 3 cabin classes available to choose from on Australia 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 Australia to Tonga flights?

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

Cheap Australia to Tonga flight deals and tips

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

Best price found

$447

Fastest flight time

4h 20m

Direct flights

Wed, Thu, Fri and Sun

Airports in Tonga

1 airport
The best one-way flight to Tonga from Australia in the past 72 hours is $447. The best return flight deal from Australia to Tonga found on momondo in the last 72 hours is $716.
The fastest flight from Australia to Tonga takes 4h 20m
Direct flights go from Australia to Tonga on Wednesday, Thursday, Friday and Sunday. Airline offering direct flights is Qantas Airways..
There is 1 airport near Tonga: Nuku‘alofa Fua'Amotu Intl (TBU)
  • When did momondo last update prices for flights from Australia to Tonga?

    Prices for flights from Australia to Tonga are refreshed on a daily basis.

  • How many operators does momondo search for flights from Australia to Tonga?

  • How old do you have to be to fly from Australia to Tonga?

    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 Australia to Tonga.

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

    The required travel and health documents for your Tonga trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Tonga. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Best airlines flying from Australia to Tonga

Compare and see reviews for airlines that fly from Australia to Tonga with momondo
Airline
Rating
Free cancellation
Price
Fiji AirwaysPriceFrom $346Free cancellationRating
8.0
205 reviews
Search Fiji Airways flights
Qantas AirwaysPriceFrom $499Free cancellationRating
7.5
905 reviews
Search Qantas Airways flights
Air New ZealandPriceFrom $834Free cancellationRating
8.0
505 reviews
Search Air New Zealand flights

Why use momondo?

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

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

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

Yes. All flights to Tonga from Australia on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Tonga from Australia.

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

If you are not ready to book a flight from Australia to Tonga now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Tonga and let you know when they change.

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 1/9
Mon 8/9

Find better results for your trip to Tonga

Popular Cities in Tonga

Popular flights according to clicks in the last 7 days on momondo