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Cheap flights from Tonga to Australia from $427

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 Australia departing on 24/12. 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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Find the cheapest flights from Tonga to Australia

Recent one-way flight deals from Tonga to Australia

Logo
10:25 - 22:10TBU-SYD
37h 45m2 stops
$427
Find Deal
Wed, 24 Dec
Logo
05:40 - 18:05TBU-SYD
15h 25m2 stops
$444
Find Deal
Sat, 13 Sep
Logo
16:45 - 07:25TBU-SYD
41h 40m2 stops
$450
Find Deal
Sat, 30 Aug
Fiji Airways Logo
05:40 - 12:15TBU-SYD
9h 35m1 stop
$453Fiji Airways
Find Deal
Sat, 27 Sep
Fiji Airways Logo
05:40 - 12:15TBU-SYD
9h 35m1 stop
$455Fiji Airways
Find Deal
Sat, 27 Sep
Qantas Airways Logo
16:20 - 20:05TBU-SYD
5h 45mdirect
$464Qantas Airways
Find Deal
Tue, 7 Oct
Qantas Airways Logo
17:20 - 20:05TBU-SYD
5h 45mdirect
$475Qantas Airways
Find Deal
Tue, 26 Aug
Qantas Airways Logo
17:20 - 20:05TBU-SYD
5h 45mdirect
$487Qantas Airways
Find Deal
Tue, 26 Aug
Air New Zealand Logo
12:20 - 21:40TBU-SYD
12h 20m1 stop
$489Air New Zealand
Find Deal
Fri, 12 Sep
Air New Zealand Logo
12:20 - 21:40TBU-SYD
12h 20m1 stop
$533Air New Zealand
Find Deal
Tue, 2 Sep

momondo Fare Finder

 
Customise your flight search to find flights from Tonga to Australia 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 19 August 2025.
Use the filters below to find and compare flights from Tonga to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Wed 24/12

10:25-22:10

2 stops37h 45m

$427

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Sat 13/9

05:40-18:05

2 stops15h 25m

$444

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Sat 30/8

16:45-07:25

2 stops41h 40m

$450

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Sat 27/9

05:40-12:15

1 stop9h 35m

$453

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Sat 27/9

05:40-12:15

1 stop9h 35m

$455

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Tue 7/10

16:20-20:05

Nonstop5h 45m

$464

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Tue 26/8

17:20-20:05

Nonstop5h 45m

$475

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Tue 26/8

17:20-20:05

Nonstop5h 45m

$487

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Fri 12/9

12:20-21:40

1 stop12h 20m

$489

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Tue 2/9

12:20-21:40

1 stop12h 20m

$533

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Australia from

How to get the cheapest flight ticket from Tonga to Australia

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 Australia?

In general, December is the cheapest month to fly from Tonga to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $853. If you don’t want to visit Australia in December, then you should wait until March to fly from Tonga, when ticket prices are also cheap, with an average price of $901.

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

On average, the least expensive day to fly to Australia from Tonga is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $819. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Tonga to Australia on a Friday will generally be more expensive and average around $1,062. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Australia is in the morning. momondo users have found flights departing from Tonga to Australia in the morning for as low as $746. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Australia are more costly at midday, with an average ticket price of $1,451. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Tonga to Australia flight route?

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

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

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

You could potentially save up to 82% on your flight if you consider stops on a Tonga to Australia flight.

Cheap Tonga to Australia flight deals and tips

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

Fastest flight time

5h 20m

Direct flights

Wed and Sun

Airports in Australia

1 airport
The fastest flight from Tonga to Australia takes 5h 20m
Direct flights go from Tonga to Australia on Wednesday and Sunday. Airline offering direct flights is Qantas Airways..
There is 1 airport near Australia: Sydney Kingsford Smith (SYD)
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  • When did momondo last update prices for flights from Tonga to Australia?

    Prices for flights from Tonga to Australia refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Tonga to Australia.

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

    The required travel and health documents for your Australia 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 Australia. 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 Tonga to Australia?

Best airlines flying from Tonga to Australia

Compare and see reviews for airlines that fly from Tonga to Australia with momondo
Airline
Rating
Free cancellation
Price
Fiji AirwaysPriceFrom $524Free cancellationRating
8.0
204 reviews
Search Fiji Airways flights
Qantas AirwaysPriceFrom $752Free cancellationRating
7.5
896 reviews
Search Qantas Airways flights
Air New ZealandPriceFrom $996Free cancellationRating
8.0
504 reviews
Search Air New Zealand flights

Why use momondo?

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

It is quick and easy to find Tonga to Australia flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Australia that suits you.

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

momondo does allow users to show only those flights to Australia 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 Australia?

momondo provides multiple filters to help you find the best flight to Australia from Tonga. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Tonga to Australia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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