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Cheap flights from Tonga to Australia from $389

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 31/10. Fares are subject to change and may not be available on all flights or dates of travel.
TBU — SYD
14 Sep — 21 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Tonga to Australia

Enter your travel dates to find the best prices.

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 15 August 2026.

Fri 23/1010:55 -
1 stop27h 55m
Fri 30/1014:00 -
1 stop9h 45m
Deal found 11/8$593
Mon 28/911:20 -
1 stop14h 05m
Mon 5/1014:15 -
1 stop18h 20m
Deal found 14/8$603
Thu 10/911:20 -
1 stop27h 30m
Tue 15/913:15 -
1 stop8h 50m
Deal found 11/8$630
Sat 21/1116:00 -
1 stop8h 05m
Thu 3/1206:00 -
1 stop7h 00m
Deal found 13/8$649
Sat 19/905:40 -
1 stop19h 45m
Tue 22/913:15 -
1 stop18h 20m
Deal found 12/8$660
Wed 9/911:20 -
1 stop27h 30m
Tue 15/913:15 -
1 stop8h 50m
Deal found 12/8$680
Sat 24/1005:40 -
1 stop9h 10m
Sat 30/109:15 -
Nonstop4h 40m
Deal found 10/8$714
Fri 23/1010:55 -
2 stops35h 40m
Fri 30/1006:00 -
1 stop17h 45m
Deal found 11/8$736
Sat 19/905:40 -
1 stop19h 45m
Tue 22/909:05 -
Nonstop4h 25m
Deal found 12/8$740

Find flight deals from Tonga to Australia

Keep the following information in mind while searching for Tonga to Australia flight deals. Data was last updated 15 August 2026.

Round-trip from

$593

One-way from

$389

Popular in

January

Cheapest in

February

Average price

$880

Good round-trip deal

$876 or less

Good one-way deal

$445 or less
Fiji Airways
  • Fiji Airways
  • 23/10-30/10
  • 2 total stops
  • 37h 40m total
  • Tonga to Australia
Search Deals
31/10
  • 31/10
  • 2 total stops
  • 13h 40m total
  • Tonga to Australia
Search Deals
High demand for flights, 6% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($32 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
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

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 15 August 2026.
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

Cheapest return flight

Nuku‘alofaSydney

TBU Nuku‘alofa Fua'Amotu Intl - SYD Sydney Kingsford Smith

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Sat 21/11

16:00-22:05

1 stop8h 05m

Sydney Kingsford Smith

Thu 3/12

06:00-15:00

1 stop7h 00m

$649

Nuku‘alofaSydney

TBU Nuku‘alofa Fua'Amotu Intl - SYD Sydney Kingsford Smith

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Sat 24/10

05:40-12:50

1 stop9h 10m

Sydney Kingsford Smith

Sat 30/1

09:15-15:55

Nonstop4h 40m

$714

Nuku‘alofaSydney

TBU Nuku‘alofa Fua'Amotu Intl - SYD Sydney Kingsford Smith

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Tue 8/9

11:20-11:50

1 stop27h 30m

Sydney Kingsford Smith

Sat 19/9

09:05-16:30

Nonstop4h 25m

$828
Fastest return journey

Nuku‘alofaSydney

TBU Nuku‘alofa Fua'Amotu Intl - SYD Sydney Kingsford Smith

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Sat 21/11

16:55-20:15

Nonstop5h 20m

Sydney Kingsford Smith

Thu 3/12

06:00-15:00

1 stop7h 00m

$831
Cheapest one-way

Nuku‘alofaSydney

TBU Nuku‘alofa Fua'Amotu Intl - SYD Sydney Kingsford Smith

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Wed 28/10

05:40-17:35

2 stops13h 55m

$391

Nuku‘alofaSydney

TBU Nuku‘alofa Fua'Amotu Intl - SYD Sydney Kingsford Smith

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Wed 21/10

11:20-19:20

2 stops34h 00m

$454

Nuku‘alofaSydney

TBU Nuku‘alofa Fua'Amotu Intl - SYD Sydney Kingsford Smith

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Wed 2/9

11:20-16:50

2 stops32h 30m

$455
Fastest single journey

Nuku‘alofaSydney

TBU Nuku‘alofa Fua'Amotu Intl - SYD Sydney Kingsford Smith

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Sat 31/10

16:55-20:15

Nonstop5h 20m

$475

Nuku‘alofaSydney

TBU Nuku‘alofa Fua'Amotu Intl - SYD Sydney Kingsford Smith

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Sat 10/10

16:30-20:10

Nonstop5h 40m

$485

Nuku‘alofaSydney

TBU Nuku‘alofa Fua'Amotu Intl - SYD Sydney Kingsford Smith

TBUSYD

Nuku‘alofa Fua'Amotu Intl

Wed 2/9

15:50-21:50

1 stop9h 00m

$488

Flights are sorted by cheapest return flights first.

Deals found on 14/8

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

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, March is the cheapest month in which you can book a flight from Tonga to Australia (average of $695). Flying from Tonga to Australia in January is currently the most expensive (average of $1,188). 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 15 August 2026.

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.

How often are flights from Tonga to Australia delayed?

About 39% of weekly flights between Tonga and Australia have experienced delays in the past year, with the average delay time being 91 minutes.

What is the most punctual flight time for Tonga to Australia flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Tonga to Australia flights?

Over the past year, Qantas Airways have had the lowest number of delays on this route, with just 39% of flights being delayed.

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 15 August 2026.
See what other customers who have flown with Fiji Airways and Qantas 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
254 reviews
Check prices

Overall

8.0

Food

7.5

Comfort

8.0

Entertainment

7.4

Crew

8.5

Boarding

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,July 2026

YVR - NAN

They didn’t enter the Tabua Club number on my boarding pass. Had to show my email to confirm my membership to enter the lounge at YVR.
Fiji Airways
8.0
Very Good
254 reviews
Fiji Airways
8.0
Very Good
254 reviews
Check prices

Overall

8.0

Food

7.5

Comfort

8.0

Entertainment

7.4

Crew

8.5

Boarding

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,July 2026

YVR - NAN

They didn’t enter the Tabua Club number on my boarding pass. Had to show my email to confirm my membership to enter the lounge at YVR.
Qantas Airways
7.5
Good
1,082 reviews
Fiji Airways
8.0
Very Good
254 reviews
Check prices

Overall

8.0

Food

7.5

Comfort

8.0

Entertainment

7.4

Crew

8.5

Boarding

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,July 2026

YVR - NAN

They didn’t enter the Tabua Club number on my boarding pass. Had to show my email to confirm my membership to enter the lounge at YVR.

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 108 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Tonga to Australia?

    A quick flight from Tonga to Australia can take about 8h 05m. Fiji Airways provides one of the quickest options available for as low as $649. Tonga and Australia are separated by a distance of 3584 km.

  • 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 $244. Qantas Airways flights start at $373 while deals on Air New Zealand start at $437 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, March is the cheapest month in which you can book a flight from Tonga to Australia (average of $695). Flying from Tonga to Australia in January is currently the most expensive (average of $1,188). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Tonga to Australia

Discover the top 2 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 15 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Fiji AirwaysCheapest$468Average$715FlexibilityNo cancel feeOn-time74%
Search Fiji Airways flights
Qantas AirwaysCheapest$804Average$911FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

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

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

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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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