Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Tonga to Sydney from $581

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Tonga to Sydney departing on 6/3. 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.
Search flight deals

Find the cheapest flights from Tonga to Sydney

Recent return flight deals from Tonga to Sydney

Enter your travel dates to find the best prices.
Fiji Airways Logo
05:40 - 12:35
TBU
-
SYD
8h 55m
1 stop
Fiji Airways Logo
06:00 - 15:55
SYD
-
TBU
6h 55m
1 stop
$581Fiji Airways
Fri, 6 Mar - Fri, 29 May
Fiji Airways Logo
05:40 - 22:05
TBU
-
SYD
18h 25m
1 stop
Fiji Airways Logo
06:00 - 01:05
SYD
-
TBU
16h 05m
1 stop
$584Fiji Airways
Fri, 6 Mar - Fri, 29 May
Multiple Airlines Logo
16:00 - 08:00
TBU
-
SYD
18h 00m
2 stops
Multiple Airlines Logo
06:00 - 01:05
SYD
-
TBU
16h 05m
1 stop
$819Multiple Airlines
Fri, 6 Mar - Fri, 29 May
Multiple Airlines Logo
16:00 - 08:00
TBU
-
SYD
18h 00m
2 stops
Multiple Airlines Logo
13:15 - 01:05
SYD
-
TBU
8h 50m
1 stop
$862Multiple Airlines
Fri, 6 Mar - Fri, 29 May
Air New Zealand Logo
11:20 - 17:40
TBU
-
SYD
32h 20m
2 stops
Air New Zealand Logo
17:55 - 19:45
SYD
-
TBU
22h 50m
2 stops
$1,436Air New Zealand
Fri, 13 Mar - Fri, 22 May
Multiple Airlines Logo
05:40 - 15:30
TBU
-
SYD
11h 50m
2 stops
Multiple Airlines Logo
08:15 - 01:05
SYD
-
TBU
13h 50m
2 stops
$1,996Multiple Airlines
Fri, 6 Mar - Fri, 29 May
Multiple Airlines Logo
05:40 - 20:50
TBU
-
SYD
17h 10m
2 stops
Multiple Airlines Logo
07:00 - 01:05
SYD
-
TBU
15h 05m
2 stops
$2,599Multiple Airlines
Fri, 6 Mar - Fri, 29 May

Fiji Airways flights from Tonga to Sydney

Our best Fiji Airways deals on Tonga to Sydney flight tickets
Fiji Airways
6 Mar
TBU05:40Nuku‘alofa Fua'Amotu Intl
8h 55m
1 stop
SYD12:35Sydney Kingsford Smith
29 May
SYD06:00Sydney Kingsford Smith
6h 55m
1 stop
TBU15:55Nuku‘alofa Fua'Amotu Intl
$581
Fiji Airways
6 Mar
TBU05:40Nuku‘alofa Fua'Amotu Intl
18h 25m
1 stop
SYD22:05Sydney Kingsford Smith
29 May
SYD06:00Sydney Kingsford Smith
16h 05m
1 stop
TBU01:05Nuku‘alofa Fua'Amotu Intl
$584

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 3 February 2026.
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

Fri 6/3

05:40-12:35

1 stop8h 55m

Sydney Kingsford Smith

Fri 29/5

06:00-15:55

1 stop6h 55m

$581

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Fri 6/3

05:40-22:05

1 stop18h 25m

Sydney Kingsford Smith

Fri 29/5

06:00-01:05

1 stop16h 05m

$584

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Fri 6/3

16:00-08:00

2 stops18h 00m

Sydney Kingsford Smith

Fri 29/5

06:00-01:05

1 stop16h 05m

$819

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Fri 6/3

16:00-08:00

2 stops18h 00m

Sydney Kingsford Smith

Fri 29/5

13:15-01:05

1 stop8h 50m

$862

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Fri 13/3

11:20-17:40

2 stops32h 20m

Sydney Kingsford Smith

Fri 22/5

17:55-19:45

2 stops22h 50m

$1,436

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Fri 6/3

05:40-15:30

2 stops11h 50m

Sydney Kingsford Smith

Fri 29/5

08:15-01:05

2 stops13h 50m

$1,996

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Fri 6/3

05:40-20:50

2 stops17h 10m

Sydney Kingsford Smith

Fri 29/5

07:00-01:05

2 stops15h 05m

$2,599

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Tue 10/2

05:40-21:55

2 stops18h 15m

$604

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Tue 10/2

11:20-22:05

1 stop12h 45m

$612

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Tue 10/2

05:40-19:40

3 stops16h 00m

$942

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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 $819. If you aren’t able to travel to Sydney during the month of October, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $826.

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

Our data shows that Saturday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $865. The most expensive day to fly to Sydney is Tuesday, with ticket prices averaging around $882.

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

Fastest flight time

18h 25m

Direct flights

Sun

Airports in Sydney

1 airport
The fastest flight from Tonga to Sydney takes 18h 25m
Direct flights go from Tonga to Sydney on Sunday. Airline offering direct flights is Qantas Airways..
There is 1 airport in Sydney. From Tonga there are direct flights to Sydney Kingsford Smith (SYD).
Search flight deals

  • 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 $436Free cancellationRating
8.0
223 reviews
Search Fiji Airways flights
Qantas AirwaysPriceFrom $741Free cancellationRating
7.5
984 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
Coogee
Bondi Beach
Cronulla
Randwick
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.

An easier way to manage your Sydney 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 5/3
Thu 12/3
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia