Question 1

How have Hanoi to Sydney flight prices changed over time?

Accepted Answer

As of January 2026, prices for Hanoi to Sydney flights are approximately 6% more expensive when compared to flights at the same time last year.

Question 2

Which airlines fly to Sydney?

Accepted Answer

Vietnam Airlines, VietJet Air and China Southern are the top three most popular airlines that fly to Sydney from Hanoi according to our data. Vietnam Airlines is the first choice among our users, with 58% of people opting to fly with this airline when travelling to Sydney. Keep in mind that there are 3 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

Question 3

How often are flights from Hanoi to Sydney delayed?

Accepted Answer

Historically, on average around 28% of flights between Hanoi and Sydney have experienced a delay on any given week. The average delay length over the past 12 months has been 199 minutes.

Question 4

What is the cheapest Hanoi Noibai to Sydney Kingsford Smith flight route?

Accepted Answer

Fly from Hanoi Noibai to Sydney Kingsford Smith for the best Hanoi Noibai - Sydney Kingsford Smith flight prices

Question 5

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

Accepted Answer

There are 3 cabin classes available to choose from on Hanoi Noibai 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.

Question 6

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

Accepted Answer

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 $524. The most expensive day to fly to Sydney is Tuesday, with ticket prices averaging around $1,356.

Question 7

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

Accepted Answer

According to our data, the cheapest time of day to fly to Sydney is in the afternoon. momondo users have found flights departing from Hanoi to Sydney in the afternoon for as low as $564. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,173 on average. Flights to Sydney from Hanoi in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

Question 8

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

Accepted Answer

Friday 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 9

Which stopover airport has the shortest connection time from Hanoi to Sydney?

Accepted Answer

Guangzhou (CAN) has the shortest average stopover time for this route: 2h 59m.

Question 10

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

Accepted Answer

According to our data, Vietnam Airlines have had the fewest delays on this route over the last 12 months, with about 25% of their flights experiencing any sort of delay.

Question 11

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

Accepted Answer

XiamenAir and VietJet Air are the most popular carriers operating from Hanoi Noibai to Sydney Kingsford Smith

Question 12

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

Accepted Answer

You are more likely to see cheaper flights to Sydney from Hanoi when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $904 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Hanoi for as low as $571 on momondo.

Question 13

Which stopover airport has the shortest travel time from Hanoi to Sydney?

Accepted Answer

Flights connecting via Ho Chi Minh City (SGN) have the shortest average one-way travel time: 14h 05m.

Question 14

Which stopover airport offers the lowest fares from Hanoi to Sydney?

Accepted Answer

Flights via Guangzhou (CAN) offer the lowest average return price of $678.

Question 15

Which airport is the most popular for stopovers for flights between Hanoi and Sydney?

Accepted Answer

Guangzhou (CAN) was the most common stop: 83% of momondo users choosing one-stop flights on this route connected there.

Question 16

What is the cheapest month to fly to Sydney?

Accepted Answer

The month of May is, on average, the cheapest month to fly to Sydney from Hanoi, with most prices found around $584. If you aren’t able to travel to Sydney during the month of May, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $734.

Question 17

Can stopping save me money on Hanoi to Sydney flights?

Accepted Answer

No. A direct flight is the cheapest option for a flight between Hanoi to Sydney.

Question 18

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

Accepted Answer

Generally, flights departing at night tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Question 19

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

Accepted Answer

Prices for flights from Hanoi Noibai Airport to Sydney Kingsford Smith Airport were last updated today.

Question 20

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

Accepted Answer

The number of operators available for flights from Hanoi Noibai Airport to Sydney Kingsford Smith Airport is 3 as of January 2026.

Question 21

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

Accepted Answer

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Hanoi Noibai Airport to Sydney Kingsford Smith Airport.

Question 22

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

Accepted Answer

The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Fastest flight time	9h 35m
Direct flights	Mon, Wed, Fri and Sat
Airports in Sydney	1 airport

Airline	Rating	Free cancellation	Price
VietJet Air	PriceFrom $453	Free cancellation	Rating 5.5 159 reviews	Search VietJet Air flights
China Southern	PriceFrom $677	Free cancellation	Rating 7.3 136 reviews	Search China Southern flights
Vietnam Airlines	PriceFrom $821	Free cancellation	Rating 7.6 224 reviews	Search Vietnam Airlines flights

Cheap flights from Hanoi to Sydney from $320

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Hanoi to Sydney departing on 18/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Hanoi to Sydney

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

Scoot flights from Hanoi to Sydney

Our best Scoot deals on Hanoi to Sydney flight tickets

VietJet Air flights from Hanoi to Sydney

Our best VietJet Air deals on Hanoi to Sydney flight tickets

momondo Fare Finder

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

See travel insights to Sydney from

How to get the cheapest flight ticket from Hanoi to Sydney

What is the cheapest month to fly to Sydney?

The month of May is, on average, the cheapest month to fly to Sydney from Hanoi, with most prices found around $584. If you aren’t able to travel to Sydney during the month of May, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $734.

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 $524. The most expensive day to fly to Sydney is Tuesday, with ticket prices averaging around $1,356.

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

What is the cheapest Hanoi Noibai to Sydney Kingsford Smith flight route?

Fly from Hanoi Noibai to Sydney Kingsford Smith for the best Hanoi Noibai - Sydney Kingsford Smith flight prices

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

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

There are 3 cabin classes available to choose from on Hanoi Noibai 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.

Can stopping save me money on Hanoi to Sydney flights?

No. A direct flight is the cheapest option for a flight between Hanoi to Sydney.

How have Hanoi to Sydney flight prices changed over time?

As of January 2026, prices for Hanoi to Sydney flights are approximately 6% more expensive when compared to flights at the same time last year.

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

XiamenAir and VietJet Air are the most popular carriers operating from Hanoi Noibai to Sydney Kingsford Smith

Which airlines fly to Sydney?

How often are flights from Hanoi to Sydney delayed?

Historically, on average around 28% of flights between Hanoi and Sydney have experienced a delay on any given week. The average delay length over the past 12 months has been 199 minutes.

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

Generally, flights departing at night tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

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

Friday 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 Hanoi to Sydney flights?

According to our data, Vietnam Airlines have had the fewest delays on this route over the last 12 months, with about 25% of their flights experiencing any sort of delay.

Which airport is the most popular for stopovers for flights between Hanoi and Sydney?

Guangzhou (CAN) was the most common stop: 83% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport offers the lowest fares from Hanoi to Sydney?

Flights via Guangzhou (CAN) offer the lowest average return price of $678.

Which stopover airport has the shortest travel time from Hanoi to Sydney?

Flights connecting via Ho Chi Minh City (SGN) have the shortest average one-way travel time: 14h 05m.

Which stopover airport has the shortest connection time from Hanoi to Sydney?

Guangzhou (CAN) has the shortest average stopover time for this route: 2h 59m.

When to book flights from Hanoi to Sydney

Cheap Hanoi to Sydney (HAN to SYD) flight deals and tips

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

Fastest flight time

Direct flights

Airports in Sydney

How far is Hanoi Noibai to Sydney Kingsford Smith by plane?

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

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

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

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

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

What is the most popular airline from Hanoi to Sydney?

Best airlines flying from Hanoi to Sydney

Compare and see reviews for airlines that fly from Hanoi to Sydney with momondo

Travelling to a place near Sydney?

Why use momondo?

Why should I use momondo to find a flight deal from Hanoi to Sydney?

Can I find flights from Hanoi to Sydney with flexible booking policies on momondo?

How can momondo help me find flights from Hanoi to Sydney?

I’m not ready to book a flight from Hanoi to Sydney right now. Can momondo alert me if 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.

Get notified when prices go down