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Cheap flights from Tonga to Sydney from $450

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 Sydney departing on 25/10. 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

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Recent return flight deals from Tonga to Sydney

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:30 - 12:30TBU-SYD
28h 00m1 stop
Multiple Airlines Logo
20:15 - 20:20SYD-TBU
22h 05m1 stop
$899Multiple Airlines
Find Deal
Wed, 26 Nov - Wed, 3 Dec
Multiple Airlines Logo
10:30 - 21:50TBU-SYD
13h 20m1 stop
Multiple Airlines Logo
19:15 - 15:00SYD-TBU
17h 45m2 stops
$1,106Multiple Airlines
Find Deal
Wed, 26 Nov - Wed, 3 Dec
Multiple Airlines Logo
10:30 - 16:50TBU-SYD
32h 20m2 stops
Multiple Airlines Logo
07:00 - 20:20SYD-TBU
35h 20m2 stops
$1,308Multiple Airlines
Find Deal
Wed, 26 Nov - Wed, 3 Dec
Multiple Airlines Logo
05:00 - 19:40TBU-SYD
16h 40m3 stops
Multiple Airlines Logo
08:10 - 01:05SYD-TBU
14h 55m2 stops
$2,265Multiple Airlines
Find Deal
Wed, 26 Nov - Wed, 3 Dec

momondo Fare Finder

 
Customise your flight search to find flights from Tonga to Sydney 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 12 October 2025.
Use the filters below to find and compare flights from Tonga to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Wed 26/11

10:30-12:30

1 stop28h 00m

Sydney Kingsford Smith

Wed 3/12

20:15-20:20

1 stop22h 05m

$899

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Wed 26/11

10:30-21:50

1 stop13h 20m

Sydney Kingsford Smith

Wed 3/12

19:15-15:00

2 stops17h 45m

$1,106

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Wed 26/11

10:30-16:50

2 stops32h 20m

Sydney Kingsford Smith

Wed 3/12

07:00-20:20

2 stops35h 20m

$1,308

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Wed 26/11

05:00-19:40

3 stops16h 40m

Sydney Kingsford Smith

Wed 3/12

08:10-01:05

2 stops14h 55m

$2,265

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Sat 25/10

16:25-10:35

2 stops20h 10m

$450

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Sat 25/10

16:20-20:05

Nonstop5h 45m

$455

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Sat 25/10

16:20-20:05

Nonstop5h 45m

$460

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Sat 25/10

11:20-21:40

1 stop12h 20m

$478

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Sat 25/10

11:20-21:40

1 stop12h 20m

$483

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Mon 15/12

11:20-17:30

2 stops32h 10m

$491

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Sydney from

How to get the cheapest flight ticket from Tonga to Sydney

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 Sydney?

The month of October is, on average, the cheapest month to fly to Sydney from Tonga, with most prices found around $878. If you aren’t able to travel to Sydney during the month of October, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $904.

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

Our data shows that Wednesday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $822. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $1,066.

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

According to our data, the cheapest time of day to fly to Sydney is in the morning. momondo users have found flights departing from Tonga to Sydney in the morning for as low as $749. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at midday when prices are $1,456 on average. Flights to Sydney from Tonga at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

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

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

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

Cheap Tonga to Sydney flight deals and tips

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

Best price found

$464

Fastest flight time

5h 20m

Direct flights

Wed and Sun

Airports in Sydney

1 airport
The best one-way flight to Sydney from Tonga in the past 72 hours is $464. The best return flight deal from Tonga to Sydney found on momondo in the last 72 hours is $981.
The fastest flight from Tonga to Sydney takes 5h 20m
Direct flights go from Tonga to Sydney on Wednesday and Sunday. Airline offering direct flights is Qantas Airways..
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)
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  • When did momondo last update prices for flights from Tonga to Sydney Kingsford Smith Airport?

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

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

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

    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 Tonga to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Tonga to Sydney

Compare and see reviews for airlines that fly from Tonga to Sydney with momondo
Airline
Rating
Free cancellation
Price
Fiji AirwaysPriceFrom $531Free cancellationRating
8.0
205 reviews
Search Fiji Airways flights
Qantas AirwaysPriceFrom $754Free cancellationRating
7.5
918 reviews
Search Qantas Airways flights

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Terrigal
Penrith
Katoomba
Lithgow
Leura
Manly
Bondi Beach
Coogee
Randwick
Cronulla
Charlestown
Newport
Swansea

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Tonga to Sydney for you.

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

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

Once you have performed a search for Tonga to Sydney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Sydney from Tonga. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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