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Cheap flights from Tonga to Australia from $405

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/9. Fares are subject to change and may not be available on all flights or dates of travel.
TBU — SYD
6 Aug — 13 Aug1
1 adult

Cheap flight deals from Tonga to Australia

Keep the following information in mind while searching for Tonga to Australia flight deals. Data was last updated 1 August 2025.

Round-trip from

$613

One-way from

$405

Popular in

June

Cheapest in

August

Average price

$776

Good round-trip deal

$826 or less

Good one-way deal

$458 or less
Fiji Airways
  • Fiji Airways
  • 12/9-19/9
  • 2 total stops
  • 31h 50m total
  • Tonga to Australia
Search Deals
Fiji Airways
  • Fiji Airways
  • 27/9
  • 1 total stop
  • 9h 35m total
  • Tonga to Australia
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($138 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($25 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
Search Deals
Price to beat on a round-trip flight from Tonga to Australia.
Search Deals
Price to beat on a one-way flight from Tonga to Australia.
Search Deals

Find flight deals from Tonga to Australia

Cheapest flights from Tonga to Australia
Explore the most affordable flight options available from Tonga to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 August 2025.

Sat 30/816:45TBU - SYD
1 stop22h 00mMultiple Airlines
Sat 6/909:05SYD - TBU
Nonstop4h 20mMultiple Airlines
Deal found 31/7$793
Sat 6/917:20TBU - SYD
Nonstop5h 45mQantas Airways
Sat 13/909:05SYD - TBU
Nonstop4h 20mQantas Airways
Deal found 29/7$920
Fri 26/1205:40TBU - SYD
1 stop18h 10mFiji Airways
Sun 28/1214:50SYD - TBU
1 stop17h 45mFiji Airways
Deal found 31/7$970
Tue 19/812:20TBU - SYD
1 stop12h 20mAir New Zealand
Wed 19/1113:55SYD - TBU
1 stop28h 25mAir New Zealand
Deal found 31/7$1,049

Cheapflights 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, Cheapflights users made 647,157 searches. Data last updated 1 August 2025.
Use the filters below to find and compare flights from Tonga to Australia that are best for you.

Fly from

Tonga

Fly to

Australia

Route

Depart

Return

Price

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Fri 12/9

16:55-12:15

1 stop22h 20m

Sydney Kingsford Smith

Fri 19/9

13:15-01:45

1 stop9h 30m

$613

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Fri 12/9

05:00-17:30

2 stops15h 30m

Sydney Kingsford Smith

Fri 19/9

13:15-01:45

1 stop9h 30m

$883

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Sat 6/9

17:20-20:05

Nonstop5h 45m

Sydney Kingsford Smith

Sat 13/9

09:05-16:25

Nonstop4h 20m

$920

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Sat 27/9

05:40-12:15

1 stop9h 35m

$405

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Tue 19/8

17:20-20:05

Nonstop5h 45m

$478

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Fri 12/9

12:20-21:40

1 stop12h 20m

$494

Nuku‘alofaSydney

TBU - SYD

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Mon 18/8

22:45-17:50

2 stops22h 05m

$566

Flights are sorted by cheapest return flights first.

Deals found on 30/7

Best time to book a flight from Tonga to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia from Tonga with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Tonga to Australia

What is the cheapest month to book a flight from Tonga to Australia?

Currently, May is the cheapest month in which you can book a flight from Tonga to Australia (average of $129). Flying from Tonga to Australia in October is currently the most expensive (average of $171). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from TO to AU?

Find hourly flight availability from Tonga to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 August 2025.

When flying from Tonga to Australia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Australia. Reviews last updated 1 August 2025.
See what other customers who have flown with Fiji Airways, Air New Zealand, andQantas Airways from Tonga to Australia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Fiji Airways
8.0
Very Good
202 reviews
Check prices

Comfort

8.0

Crew

8.5

Food

7.5

Overall

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 16
6.0
Good

Christopher,June 2025

LAX - NAN

No attempt to make you comfortable. All they care about is how can they pack more people on the plane and how can they charge you for as much as possible. I find it invasive and discriminatory that you weigh my carryon (or any of my naggage frankly). If I physically weighed 15kilos more and my bag weighed under your stupid and arbitrary weight limit I would not be charged... but if I'm a person who is skinny and weighs less, well heaven forbid my bag is 1 kilo heavier than you wish!! $$$ VERY VERY DISCRIMINATORY POLICY!! NEXT TIME I'LL TRY TO EAT MY BAGGAGE SO THAT I CAN TAKE ON AS MUCH WEIGHT AS I WANT! Yeah... sounds ridiculous doesn't it!? No more ridiculous than you charging more for people who bring more baggage weight while letting obese people carry on all the weight they want! It just proves it has absolutely nothing to do with safety, or even your operating costs... Just squeezing as much money out of us as possible!!
Fiji Airways
8.0
Very Good
202 reviews
Fiji Airways
8.0
Very Good
202 reviews
Check prices

Comfort

8.0

Crew

8.5

Food

7.5

Overall

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 16
6.0
Good

Christopher,June 2025

LAX - NAN

No attempt to make you comfortable. All they care about is how can they pack more people on the plane and how can they charge you for as much as possible. I find it invasive and discriminatory that you weigh my carryon (or any of my naggage frankly). If I physically weighed 15kilos more and my bag weighed under your stupid and arbitrary weight limit I would not be charged... but if I'm a person who is skinny and weighs less, well heaven forbid my bag is 1 kilo heavier than you wish!! $$$ VERY VERY DISCRIMINATORY POLICY!! NEXT TIME I'LL TRY TO EAT MY BAGGAGE SO THAT I CAN TAKE ON AS MUCH WEIGHT AS I WANT! Yeah... sounds ridiculous doesn't it!? No more ridiculous than you charging more for people who bring more baggage weight while letting obese people carry on all the weight they want! It just proves it has absolutely nothing to do with safety, or even your operating costs... Just squeezing as much money out of us as possible!!
Air New Zealand
8.0
Very Good
501 reviews
Fiji Airways
8.0
Very Good
202 reviews
Check prices

Comfort

8.0

Crew

8.5

Food

7.5

Overall

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 16
6.0
Good

Christopher,June 2025

LAX - NAN

No attempt to make you comfortable. All they care about is how can they pack more people on the plane and how can they charge you for as much as possible. I find it invasive and discriminatory that you weigh my carryon (or any of my naggage frankly). If I physically weighed 15kilos more and my bag weighed under your stupid and arbitrary weight limit I would not be charged... but if I'm a person who is skinny and weighs less, well heaven forbid my bag is 1 kilo heavier than you wish!! $$$ VERY VERY DISCRIMINATORY POLICY!! NEXT TIME I'LL TRY TO EAT MY BAGGAGE SO THAT I CAN TAKE ON AS MUCH WEIGHT AS I WANT! Yeah... sounds ridiculous doesn't it!? No more ridiculous than you charging more for people who bring more baggage weight while letting obese people carry on all the weight they want! It just proves it has absolutely nothing to do with safety, or even your operating costs... Just squeezing as much money out of us as possible!!
Qantas Airways
7.5
Good
887 reviews
Fiji Airways
8.0
Very Good
202 reviews
Check prices

Comfort

8.0

Crew

8.5

Food

7.5

Overall

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 16
6.0
Good

Christopher,June 2025

LAX - NAN

No attempt to make you comfortable. All they care about is how can they pack more people on the plane and how can they charge you for as much as possible. I find it invasive and discriminatory that you weigh my carryon (or any of my naggage frankly). If I physically weighed 15kilos more and my bag weighed under your stupid and arbitrary weight limit I would not be charged... but if I'm a person who is skinny and weighs less, well heaven forbid my bag is 1 kilo heavier than you wish!! $$$ VERY VERY DISCRIMINATORY POLICY!! NEXT TIME I'LL TRY TO EAT MY BAGGAGE SO THAT I CAN TAKE ON AS MUCH WEIGHT AS I WANT! Yeah... sounds ridiculous doesn't it!? No more ridiculous than you charging more for people who bring more baggage weight while letting obese people carry on all the weight they want! It just proves it has absolutely nothing to do with safety, or even your operating costs... Just squeezing as much money out of us as possible!!

Related info for your journey

Find useful and relevant information for your journey from Tonga to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Tonga to Australia flight route?

    This flight path from Tonga to Australia was viewed by 97 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from Tonga to Australia one-way?

    To fly one-way, consider booking your trip with Fiji Airways, which is currently one of the cheapest options available, starting at $405. Qantas Airways flights start at $462 while deals on Air New Zealand start at $494 one-way.

  • Can I find deals for flights from Tonga to Australia that include hotel bookings?

    Yes. In addition to deals on Tonga to Australia flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Tonga to Australia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Tonga to Australia.

  • Can I find deals for business class flights from Tonga to Australia?

    Yes. Cheapflights offers flight deals from Tonga to Australia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Tonga to Australia?

    Currently, May is the cheapest month in which you can book a flight from Tonga to Australia (average of $129). Flying from Tonga to Australia in October is currently the most expensive (average of $171). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 3 airlines flying from Tonga to Australia

Discover the top 3 airlines that operate flights from Tonga to Australia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 1 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Fiji AirwaysCheapest$529Average$767FlexibilityNo cancel feeOn-time74%
Search Fiji Airways flights
Qantas AirwaysCheapest$759Average$933FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air New ZealandCheapest$1,006Average$1,150FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Tonga to Australia?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Australia from Tonga today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Tonga to Australia?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Tonga to Australia for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Tonga to Australia with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Tonga to Australia flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Tonga to Australia become cheaper?

Yes, Cheapflights offers price alerts on Tonga to Australia flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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