How popular is this Sydney to Tonga flight route?

Within the past month, 1,090 users have taken a look at flights from Sydney Kingsford Smith to Tonga.

How long is the flight from Sydney to Tonga?

There are many flights that can get you from Sydney to Tonga in 17h 05m. Fly via Fiji Airways to get the fastest option. Airlines will cover a distance of 3584 km.

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

For one-way options, check prices for Fiji Airways. According to our data, you can fly for as low as $276. Users have also found prices from $347 and $436 on Qantas Airways and Air New Zealand, respectively.

In terms of precipitation, rainfall in Tonga ranges from 95.0 - 210.0 inches per month. February is typically the wettest month, when rainfall can reach 210.0 mm. June is typically the driest time to visit Tonga when rainfall is around 95.0 mm.

If weather is an important factor for your trip to Tonga, use this chart to help with planning. For those seeking warmer temperatures, February is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 22.0 C).

What are the cheapest flights from Sydney to Tonga?

While on average a flight from Sydney to Tonga is generally $1,558, our data shows the cheapest flight currently is $429. When looking at the most popular route, (Sydney Kingsford Smith - Nuku‘alofa Fua'Amotu Intl), you can expect to pay $596 for that flight.

What are the most popular airlines that fly from Sydney to Tonga?

Consider Qantas Airways, Fiji Airways or Air New Zealand when booking your flight. These represent the most popular airlines when flying from Sydney to Tonga.

What airport do you fly from for flights from Sydney to Tonga?

Sydney Kingsford Smith (SYD), located 7.5 km from the city centre, is the airport you fly out of when you book flights from Sydney to Tonga.

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

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

How can I find direct flights from Sydney to Tonga?

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

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

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

$287+ Cheap Flights from Sydney to Tonga

Cheap flight deals from Sydney to Tonga

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Sydney to Tonga
Explore the most affordable flight options available from Sydney to Tonga. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 September 2026.

Wed 4/1114:00 -

1 stop9h 45m

Wed 11/1105:40 -

1 stop8h 55m

Deal found 20/9$596

Tue 27/1014:00 -

1 stop18h 35m

Thu 5/1105:40 -

1 stop8h 55m

Deal found 21/9$628

Fri 4/1214:00 -

1 stop23h 00m

Fri 18/1205:40 -

1 stop18h 25m

Deal found 20/9$635

Fri 23/1014:15 -

1 stop9h 30m

Fri 30/1005:40 -

1 stop8h 55m

Deal found 23/9$641

Fri 6/1114:00 -

1 stop26h 10m

Fri 13/1105:40 -

1 stop8h 55m

Deal found 22/9$675

Fri 4/1206:00 -

1 stop7h 00m

Fri 18/1216:15 -

1 stop7h 50m

Deal found 23/9$689

Mon 28/913:15 -

1 stop17h 40m

Tue 6/1005:40 -

1 stop33h 10m

Deal found 23/9$718

Tue 27/1014:00 -

1 stop9h 50m

Thu 5/1105:40 -

2 stops13h 20m

Deal found 21/9$723

Fri 20/1114:00 -

1 stop23h 00m

Fri 27/1116:00 -

1 stop8h 05m

Deal found 20/9$734

Thu 19/1109:55 -

1 stop8h 30m

Tue 24/1110:10 -

1 stop10h 05m

Deal found 20/9$735

Wed 4/1114:00 -

1 stop9h 45m

Wed 11/1105:40 -

2 stops18h 10m

Deal found 20/9$762

Tue 13/1014:15 -

1 stop9h 30m

Wed 21/1011:20 -

1 stop27h 30m

Deal found 18/9$786

Best flights from Sydney to Tonga
Discover carefully curated flight deals from Sydney to Tonga that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 23 September 2026.

Tue 23/206:00 -

1 stop17h 05m

Sat 27/211:20 -

1 stop27h 15m

Deal found 22/9$600

Fri 4/1206:00 -

1 stop7h 00m

Fri 18/1216:15 -

1 stop7h 50m

Deal found 23/9$689

Sat 2/107:30 -

1 stop7h 50m

Sat 30/112:10 -

1 stop8h 05m

Deal found 20/9$997

Fri 23/1014:15 -

1 stop9h 30m

Fri 30/1005:40 -

1 stop8h 55m

Deal found 23/9$641

Wed 14/1014:15 -

1 stop9h 30m

Wed 21/1011:20 -

1 stop27h 30m

Deal found 18/9$786

Tue 23/214:00 -

1 stop9h 05m

Sat 27/217:20 -

2 stops26h 20m

Deal found 22/9$974

Tue 13/1014:15 -

1 stop9h 30m

Thu 15/1011:20 -

1 stop27h 30m

Deal found 18/9$862

Thu 15/1014:15 -

1 stop22h 40m

Wed 21/1005:40 -

2 stops15h 40m

Deal found 19/9$1,032

Thu 15/1014:15 -

1 stop9h 30m

Wed 21/1005:40 -

1 stop9h 10m

Deal found 21/9$912

Tue 27/1006:20 -

2 stops17h 30m

Thu 5/1105:40 -

2 stops13h 20m

Deal found 21/9$1,039

Sat 2/106:00 -

1 stop7h 00m

Sat 30/105:40 -

1 stop8h 55m

Deal found 23/9$1,050

Wed 18/1106:00 -

2 stops27h 10m

Thu 3/1217:20 -

1 stop30h 45m

Deal found 21/9$2,166

Sat 19/1206:00 -

1 stop8h 35m

Mon 11/117:20 -

1 stop21h 15m

Deal found 21/9$1,993

Sat 19/1206:00 -

1 stop8h 35m

Mon 11/117:20 -

2 stops26h 10m

Deal found 21/9$2,294

Find flight deals from Sydney to Tonga

Round-trip from	$596
One-way from	$287
Popular in	December
Cheapest in	August
Average price	$900
Good round-trip deal	$881 or less
Good one-way deal	$484 or less

Fiji Airways
4/11-11/11
2 total stops
18h 40m total
Sydney to Tonga

Search Deals

Fiji Airways
15/3-31/12
1 total stop
17h 50m total
Sydney to Tonga

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($143 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($52 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Price to beat on a round-trip flight from Sydney Kingsford Smith to Tonga.

Search Deals

Price to beat on a one-way flight from Sydney Kingsford Smith to Tonga.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyNuku‘alofa

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

SYDTBU

Sydney Kingsford Smith

Mon 15/3

06:00-01:50

1 stop17h 50m

Nuku‘alofa Fua'Amotu Intl

Wed 31/12

00:00-21:00

Nonstop0h 00m

$287

SydneyNuku‘alofa

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

SYDTBU

Sydney Kingsford Smith

Thu 10/12

07:30-20:25

1 stop10h 55m

Nuku‘alofa Fua'Amotu Intl

Wed 31/12

00:00-21:00

Nonstop0h 00m

$374

SydneyNuku‘alofa

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

SYDTBU

Sydney Kingsford Smith

Fri 9/10

14:15-01:45

1 stop9h 30m

Nuku‘alofa Fua'Amotu Intl

Wed 31/12

00:00-21:00

Nonstop0h 00m

$420

SydneyNuku‘alofa

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

SYDTBU

Sydney Kingsford Smith

Mon 12/10

06:00-01:45

2 stops17h 45m

Nuku‘alofa Fua'Amotu Intl

Wed 31/12

00:00-21:00

Nonstop0h 00m

$527

SydneyNuku‘alofa

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

SYDTBU

Sydney Kingsford Smith

Sun 25/10

06:25-01:50

2 stops41h 25m

Nuku‘alofa Fua'Amotu Intl

Wed 31/12

00:00-21:00

Nonstop0h 00m

$545

SydneyNuku‘alofa

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

SYDTBU

Sydney Kingsford Smith

Tue 27/10

14:05-20:25

1 stop28h 20m

Nuku‘alofa Fua'Amotu Intl

Wed 31/12

00:00-21:00

Nonstop0h 00m

$547

SydneyNuku‘alofa

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

SYDTBU

Sydney Kingsford Smith

Mon 15/3

09:10-10:35

2 stops23h 25m

Nuku‘alofa Fua'Amotu Intl

Wed 31/12

00:00-21:00

Nonstop0h 00m

$578

Fastest return journey

SydneyNuku‘alofa

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

SYDTBU

Sydney Kingsford Smith

Tue 13/10

09:05-15:30

Nonstop4h 25m

Nuku‘alofa Fua'Amotu Intl

Wed 31/12

00:00-21:00

Nonstop0h 00m

$596

SydneyNuku‘alofa

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

SYDTBU

Sydney Kingsford Smith

Tue 23/2

06:00-01:05

1 stop17h 05m

Nuku‘alofa Fua'Amotu Intl

Sat 27/2

11:20-12:35

1 stop27h 15m

$600

SydneyNuku‘alofa

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

SYDTBU

Sydney Kingsford Smith

Fri 9/10

08:10-01:45

2 stops15h 35m

Nuku‘alofa Fua'Amotu Intl

Wed 31/12

00:00-21:00

Nonstop0h 00m

$641

Flights are sorted by cheapest return flights first.

Deals found on 20/9

Showing 1-10 of 24 resultsSorted by cheapest first

Best time to book a flight from Sydney to Tonga

Have a flexible travel schedule? Discover the best time to fly to Tonga from Sydney with our price prediction graph.

SYD-TBU

SYD-VAV

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 Sydney to Tonga

SYD-TO0

SYD-TBU

SYD-VAV

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

Currently, August is the cheapest month in which you can book a flight from Sydney to Tonga (average of $637). Flying from Sydney to Tonga in December is currently the most expensive (average of $1,276). 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 SYD to TO?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sydney to Tonga as you normally would.

How often are flights from Sydney to Tonga delayed?

About 56% of weekly flights between Sydney and Tonga have experienced delays in the past year, with the average delay time being 105 minutes.

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

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

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

Thursday 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 Sydney to Tonga flights?

Over the past year, Qantas Airways have had the lowest number of delays on this route, with just 56% of flights being delayed.

How far ahead should I book a flight from Sydney to Tonga?

Booking 85 days in advance of your planned departure date is, on average, the best time to get cheap flights from Sydney to Tonga. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Tonga

Read reviews from past customers who have flown with Fiji Airways,Air New Zealand, andQantas Airways from Sydney to Tonga. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Fiji Airways

8.0

Very Good

259 reviews

Check prices

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

259 reviews

Fiji Airways

8.0

Very Good

259 reviews

Check prices

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.

Air New Zealand

8.0

Very Good

669 reviews

Fiji Airways

8.0

Very Good

259 reviews

Check prices

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

1,101 reviews

Fiji Airways

8.0

Very Good

259 reviews

Check prices

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

What airport do you fly from for flights from Sydney to Tonga?
Sydney Kingsford Smith (SYD), located 7.5 km from the city centre, is the airport you fly out of when you book flights from Sydney to Tonga.
How popular is this Sydney to Tonga flight route?
Within the past month, 1,090 users have taken a look at flights from Sydney Kingsford Smith to Tonga.
How long is the flight from Sydney to Tonga?
There are many flights that can get you from Sydney to Tonga in 17h 05m. Fly via Fiji Airways to get the fastest option. Airlines will cover a distance of 3584 km.
What are the cheapest airlines to fly from Sydney to Tonga one-way?
For one-way options, check prices for Fiji Airways. According to our data, you can fly for as low as $276. Users have also found prices from $347 and $436 on Qantas Airways and Air New Zealand, respectively.
What are the cheapest flights from Sydney to Tonga?
While on average a flight from Sydney to Tonga is generally $1,558, our data shows the cheapest flight currently is $429. When looking at the most popular route, (Sydney Kingsford Smith - Nuku‘alofa Fua'Amotu Intl), you can expect to pay $596 for that flight.
Can I find deals for flights from Sydney to Tonga that include hotel bookings?
Yes. In addition to deals on Sydney to Tonga flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Sydney to Tonga?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Tonga.
Can I find deals for business class flights from Sydney to Tonga?
Yes. Cheapflights offers flight deals from Sydney to Tonga 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 Sydney to Tonga?
Currently, August is the cheapest month in which you can book a flight from Sydney to Tonga (average of $637). Flying from Sydney to Tonga in December is currently the most expensive (average of $1,276). 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 Sydney to Tonga

Airline	Cheapest	Average	Flexibility	On-time
Fiji Airways	Cheapest$433	Average$1,195	FlexibilityNo cancel fee	On-time74%	Search Fiji Airways flights
Qantas Airways	Cheapest$599	Average$937	FlexibilityNo cancel fee	On-time74%	Search Qantas Airways flights
Air New Zealand	Cheapest$688	Average$1,178	FlexibilityNo cancel fee	On-time78%	Search Air New Zealand flights

Fly with Cheapflights

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

Cheapflights helps you search for flights from Sydney to Tonga via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights helps you find that perfect flight to Tonga from Sydney by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes! Cheapflights helps users easily find flights from Sydney to Tonga with no change fees.

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

Yes! Start tracking prices for Sydney to Tonga flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from Sydney to Tonga from $287

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Sydney to Tonga

Cheapest flights from Sydney to TongaExplore the most affordable flight options available from Sydney to Tonga. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 September 2026.

Explore the most affordable flight options available from Sydney to Tonga. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 September 2026.

Best flights from Sydney to TongaDiscover carefully curated flight deals from Sydney to Tonga that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 23 September 2026.

Discover carefully curated flight deals from Sydney to Tonga that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 23 September 2026.

Direct flights from Sydney to TongaExplore direct flight options from Sydney to Tonga based on user searches, and compare prices and availability for your desired travel dates. Data last updated 23 September 2026.

Explore direct flight options from Sydney to Tonga based on user searches, and compare prices and availability for your desired travel dates. Data last updated 23 September 2026.

Last-minute flights from Sydney to TongaDiscover last-minute flight deals from Sydney to Tonga. Data last updated 23 September 2026 and is based on user searches.

Discover last-minute flight deals from Sydney to Tonga. Data last updated 23 September 2026 and is based on user searches.

One-way flights from Sydney to TongaSearch for one-way flight options from Sydney to Tonga. Find affordable one-way fares based on user searches. Data last updated 23 September 2026.

Search for one-way flight options from Sydney to Tonga. Find affordable one-way fares based on user searches. Data last updated 23 September 2026.

Find flight deals from Sydney to Tonga

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Use the filters below to find and compare flights from Sydney to Tonga that are best for you.

Best time to book a flight from Sydney to Tonga

Have a flexible travel schedule? Discover the best time to fly to Tonga from Sydney with our price prediction graph.

Cheapflights Insights

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

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

Find hourly flight availability from Sydney to Tonga. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 September 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sydney to Tonga as you normally would.

How often are flights from Sydney to Tonga delayed?

About 56% of weekly flights between Sydney and Tonga have experienced delays in the past year, with the average delay time being 105 minutes.

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

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

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

Thursday 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 Sydney to Tonga flights?

Over the past year, Qantas Airways have had the lowest number of delays on this route, with just 56% of flights being delayed.

How far ahead should I book a flight from Sydney to Tonga?

Booking 85 days in advance of your planned departure date is, on average, the best time to get cheap flights from Sydney to Tonga. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Tonga

Read reviews from past customers who have flown with Fiji Airways,Air New Zealand, andQantas Airways from Sydney to Tonga. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly from for flights from Sydney to Tonga?

How popular is this Sydney to Tonga flight route?

How long is the flight from Sydney to Tonga?

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

What are the cheapest flights from Sydney to Tonga?

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

How can I find direct flights from Sydney to Tonga?

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

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

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.

Alternative routes for Sydney to Tonga

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

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Direct flights to

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Search flights from Sydney to Tonga by cabin class

Find flights from Sydney to Tonga, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Sydney and Tonga flights

Browse other Sydney and Tonga flight options. Last updated on 23 September 2026.

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Cheapest flights from Sydney to Tonga
Explore the most affordable flight options available from Sydney to Tonga. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 September 2026.

Best flights from Sydney to Tonga
Discover carefully curated flight deals from Sydney to Tonga that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 23 September 2026.

Direct flights from Sydney to Tonga
Explore direct flight options from Sydney to Tonga based on user searches, and compare prices and availability for your desired travel dates. Data last updated 23 September 2026.

Last-minute flights from Sydney to Tonga
Discover last-minute flight deals from Sydney to Tonga. Data last updated 23 September 2026 and is based on user searches.

One-way flights from Sydney to Tonga
Search for one-way flight options from Sydney to Tonga. Find affordable one-way fares based on user searches. Data last updated 23 September 2026.