Question 1

How far in advance should I book a flight to Tonga?

Accepted Answer

You are more likely to see cheaper flights to Tonga from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Tonga for around $840 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Tonga from Sydney for as low as $756 on momondo.

Question 2

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

Accepted Answer

According to our data, Qantas Airways have had the fewest delays on this route over the last 12 months, with about 45% of their flights experiencing any sort of delay.

Question 3

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

Accepted Answer

On average, the least expensive day to fly to Tonga from Sydney is on a Friday. momondo users have found tickets for Friday departures for as low as $796. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Thursday is the most expensive day to depart from Sydney because it is more convenient for both business and leisure travellers. As a result, prices tend to be around $1,298.

Question 4

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

Accepted Answer

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

Question 5

What is the cheapest month to fly to Tonga?

Accepted Answer

The month of August is another great option to travel to Tonga, with average flight prices from Sydney averaging around $748.

Question 6

Can stopping save me money on Sydney to Tonga flights?

Accepted Answer

You could potentially save up to 4% on your flight if you consider stops on a Sydney to Tonga flight.

Question 7

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

Accepted Answer

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

Question 8

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

Accepted Answer

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

Question 9

How many flights depart from Sydney to Tonga on average per week?

Accepted Answer

As of January 2026, 3 flights take off from Sydney and land in Tonga each week. The most common flight departure day for this route is Tue, with 33% of weekly flights taking off on this day.

Question 10

Which airlines fly to Tonga?

Accepted Answer

Qantas Airways, Fiji Airways and Air New Zealand are the top three most popular airlines that fly to Tonga from Sydney according to our data. Qantas Airways is the first choice among our users, with 64% of people opting to fly with this airline when travelling to Tonga. Keep in mind that there are 3 different airlines that fly to Tonga on a routine basis, so you have a few additional options to choose from.

Question 11

What is the cheapest airline that flies from Sydney Kingsford Smith to Tonga?

Accepted Answer

Qantas Airways is the most popular carrier operating from Sydney Kingsford Smith to Tonga

Question 12

How often are flights from Sydney to Tonga delayed?

Accepted Answer

Historically, on average around 45% of flights between Sydney and Tonga have experienced a delay on any given week. The average delay length over the past 12 months has been 96 minutes.

Question 13

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

Accepted Answer

Thursday is statistically the day of the week that experiences the fewest delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

Question 14

When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Tonga?

Accepted Answer

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

Question 15

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

Accepted Answer

As of January 2026, there are 3 operators available to choose from for flights from Sydney Kingsford Smith Airport to Tonga.

Question 16

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

Accepted Answer

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Sydney Kingsford Smith Airport to Tonga.

Question 17

What documentation or ID do you need to fly to Tonga?

Accepted Answer

The travel and health documents required for your trip to Tonga can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Tonga. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best price found	$367
Fastest flight time	4h 25m
Direct flights	Wed and Sun
Airports in Tonga	2 airports

Airline	Rating	Free cancellation	Price
Fiji Airways	PriceFrom $516	Free cancellation	Rating 8.0 216 reviews	Search Fiji Airways flights
Qantas Airways	PriceFrom $615	Free cancellation	Rating 7.5 969 reviews	Search Qantas Airways flights
Air New Zealand	PriceFrom $853	Free cancellation	Rating 8.0 570 reviews	Search Air New Zealand flights

Cheap flights from Sydney to Tonga from $413

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Tonga departing on 11/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Sydney to Tonga

What is the cheapest month to fly to Tonga?

The month of August is another great option to travel to Tonga, with average flight prices from Sydney averaging around $748.

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

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

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

How far in advance should I book a flight to Tonga?

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

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

Can stopping save me money on Sydney to Tonga flights?

You could potentially save up to 4% on your flight if you consider stops on a Sydney to Tonga flight.

What is the cheapest airline that flies from Sydney Kingsford Smith to Tonga?

Qantas Airways is the most popular carrier operating from Sydney Kingsford Smith to Tonga

Which airlines fly to Tonga?

How often are flights from Sydney to Tonga delayed?

Historically, on average around 45% of flights between Sydney and Tonga have experienced a delay on any given week. The average delay length over the past 12 months has been 96 minutes.

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

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

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

Thursday is statistically the day of the week that experiences the fewest delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

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

According to our data, Qantas Airways have had the fewest delays on this route over the last 12 months, with about 45% of their flights experiencing any sort of delay.

How many flights depart from Sydney to Tonga on average per week?

As of January 2026, 3 flights take off from Sydney and land in Tonga each week. The most common flight departure day for this route is Tue, with 33% of weekly flights taking off on this day.

Cheap Sydney to Tonga flight deals and tips

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

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Airports in Tonga

When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Tonga?

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

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

What documentation or ID do you need to fly to Tonga?

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

Best airlines flying from Sydney to Tonga

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