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Cheap flights from Australia 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 Australia 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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Find the cheapest flights from Australia to Tonga

Recent return flight deals from Australia to Tonga

Enter your travel dates to find the best prices.
Multiple Airlines Logo
09:55 - 20:20SYD-TBU
8h 25m1 stop
Multiple Airlines Logo
16:00 - 12:30TBU-SYD
22h 30m1 stop
$776Multiple Airlines
Find Deal
Thu, 4 Dec - Thu, 11 Dec
Multiple Airlines Logo
07:45 - 20:20SYD-TBU
10h 35m1 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
07:45 - 20:20SYD-TBU
10h 35m1 stop
Multiple Airlines Logo
16:00 - 12:30TBU-SYD
22h 30m1 stop
$782Multiple 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
$784Multiple Airlines
Find Deal
Sat, 22 Nov - Sat, 29 Nov
Fiji Airways Logo
11:25 - 15:25BNE-TBU
25h 00m1 stop
Fiji Airways Logo
05:40 - 10:20TBU-BNE
7h 40m1 stop
$833Fiji Airways
Find Deal
Thu, 26 Feb - Wed, 4 Mar
Qantas Airways Logo
09:10 - 15:45SYD-TBU
4h 35mdirect
Qantas Airways Logo
16:55 - 20:15TBU-SYD
5h 20mdirect
$838Qantas Airways
Find Deal
Tue, 6 Jan - Sat, 31 Jan
Fiji Airways Logo
14:30 - 15:25MEL-TBU
22h 55m1 stop
Fiji Airways Logo
16:25 - 12:45TBU-MEL
22h 20m1 stop
$845Fiji Airways
Find Deal
Thu, 29 Jan - Sat, 7 Feb
Qantas Airways Logo
09:10 - 15:45SYD-TBU
4h 35mdirect
Qantas Airways Logo
16:55 - 20:15TBU-SYD
5h 20mdirect
$876Qantas Airways
Find Deal
Sat, 22 Nov - Sat, 29 Nov
Air New Zealand Logo
09:55 - 20:20SYD-TBU
8h 25m1 stop
Air New Zealand Logo
11:20 - 18:05TBU-SYD
8h 45m1 stop
$930Air New Zealand
Find Deal
Mon, 24 Nov - Thu, 27 Nov
Air New Zealand Logo
20:15 - 20:20SYD-TBU
22h 05m1 stop
Air New Zealand Logo
21:35 - 08:45TBU-SYD
13h 10m1 stop
$1,143Air New Zealand
Find Deal
Wed, 7 Jan - Mon, 2 Feb

Fiji Airways flights from Australia to Tonga

Our best Fiji Airways deals on Australia to Tonga flight tickets
Fiji Airways
26 Feb
BNE11:25Brisbane
25h 00m
1 stop
TBU15:25Nuku‘alofa Fua'Amotu Intl
4 Mar
TBU05:40Nuku‘alofa Fua'Amotu Intl
7h 40m
1 stop
BNE10:20Brisbane
$833
Find similar
Fiji Airways
29 Jan
MEL14:30Melbourne
22h 55m
1 stop
TBU15:25Nuku‘alofa Fua'Amotu Intl
7 Feb
TBU16:25Nuku‘alofa Fua'Amotu Intl
22h 20m
1 stop
MEL12:45Melbourne
$845
Find similar
Fiji Airways
23 Jan
MEL14:30Melbourne
22h 55m
1 stop
TBU15:25Nuku‘alofa Fua'Amotu Intl
31 Jan
TBU16:25Nuku‘alofa Fua'Amotu Intl
22h 20m
1 stop
MEL12:45Melbourne
$847
Find similar

Air New Zealand flights from Australia to Tonga

Our best Air New Zealand deals on Australia to Tonga flight tickets
Air New Zealand
24 Nov
SYD09:55Sydney Kingsford Smith
8h 25m
1 stop
TBU20:20Nuku‘alofa Fua'Amotu Intl
27 Nov
TBU11:20Nuku‘alofa Fua'Amotu Intl
8h 45m
1 stop
SYD18:05Sydney Kingsford Smith
$930
Find similar
Air New Zealand
7 Jan
SYD20:15Sydney Kingsford Smith
22h 05m
1 stop
TBU20:20Nuku‘alofa Fua'Amotu Intl
2 Feb
TBU21:35Nuku‘alofa Fua'Amotu Intl
13h 10m
1 stop
SYD08:45Sydney Kingsford Smith
$1,143
Find similar
Air New Zealand
28 Mar
BNE08:20Brisbane
9h 00m
1 stop
TBU20:20Nuku‘alofa Fua'Amotu Intl
1 Apr
TBU13:35Nuku‘alofa Fua'Amotu Intl
30h 50m
1 stop
BNE17:25Brisbane
$1,859
Find similar

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 23 October 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

Thu 4/12

09:55-20:20

1 stop8h 25m

Nuku‘alofa Fua'Amotu Intl

Thu 11/12

16:00-12:30

1 stop22h 30m

$776

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

$778

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

$782

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

$784

BrisbaneNuku‘alofa

BNE - TBU

BNETBU

Brisbane

Thu 26/2

11:25-15:25

1 stop25h 00m

Nuku‘alofa Fua'Amotu Intl

Wed 4/3

05:40-10:20

1 stop7h 40m

$833

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Tue 6/1

09:10-15:45

Nonstop4h 35m

Nuku‘alofa Fua'Amotu Intl

Sat 31/1

16:55-20:15

Nonstop5h 20m

$838

MelbourneNuku‘alofa

MEL - TBU

MELTBU

Melbourne

Thu 29/1

14:30-15:25

1 stop22h 55m

Nuku‘alofa Fua'Amotu Intl

Sat 7/2

16:25-12:45

1 stop22h 20m

$845

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

16:55-20:15

Nonstop5h 20m

$876

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Mon 24/11

09:55-20:20

1 stop8h 25m

Nuku‘alofa Fua'Amotu Intl

Thu 27/11

11:20-18:05

1 stop8h 45m

$930

SydneyNuku‘alofa

SYD - TBU

SYDTBU

Sydney Kingsford Smith

Wed 7/1

20:15-20:20

1 stop22h 05m

Nuku‘alofa Fua'Amotu Intl

Mon 2/2

21:35-08:45

1 stop13h 10m

$1,143

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 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 August is another great option to travel to Tonga, with average flight prices from Australia averaging around $768.

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 $792. 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 $1,343.

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 $765 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 $859 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 $768 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

$458

Fastest flight time

4h 35m

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 $458. The best return flight deal from Australia to Tonga found on momondo in the last 72 hours is $883.
The fastest flight from Australia to Tonga takes 4h 35m
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)
Search flight deals

  • 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 $345Free cancellationRating
8.0
205 reviews
Search Fiji Airways flights
Qantas AirwaysPriceFrom $499Free cancellationRating
7.5
922 reviews
Search Qantas Airways flights
Air New ZealandPriceFrom $837Free cancellationRating
8.0
517 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.

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Sat 22/11
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Find better results for your trip to Tonga

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