Question 1

How popular is this Hanoi to Sydney flight route?

Accepted Answer

Within the past month, 4 users have taken a look at flights from Hanoi Noibai to Sydney Kingsford Smith.

Question 2

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

Accepted Answer

The best time to book flights from Hanoi to Sydney is 68 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Question 3

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

Accepted Answer

Currently, February is the cheapest month in which you can book a flight from Hanoi to Sydney (average of $1,028). Flying from Hanoi to Sydney in December is currently the most expensive (average of $1,619). 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.

Question 4

What is the cheapest day to fly from Hanoi to Sydney?

Accepted Answer

Travelers seeking maximum savings on their Hanoi to Sydney flight should consider departing on Saturday afternoons when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Question 5

E

Accepted Answer

In terms of precipitation, rainfall in Sydney ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.

Question 6

E

Accepted Answer

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

Question 7

What are the most reliable airlines from Hanoi to Sydney?

Accepted Answer

Before booking your flight to Sydney from Hanoi, check out the most reliable airlines to get you to your destination on time: VietJet Air (60%), Vietnam Airlines (52%), Cambodia Angkor Air( 52%).

Question 8

What is the cheapest day to fly round-trip from Hanoi to Sydney?

Accepted Answer

Departing on a Friday is a good option for securing a great price. You can expect to save up to 48% when planning your travel around this day of the week.

Question 9

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

Accepted Answer

To save on the cost of your flight from Hanoi to Sydney, book at least 43 days before your planned departure. Booking around this time can save you about 47% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $456 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $504.

Question 10

What is the cheapest month to fly from Hanoi to Sydney?

Accepted Answer

Flights from Hanoi to Sydney lean towards being more expensive in January. Prices are generally better when you fly from Hanoi to Sydney in May, with the cheapest ticket starting at $396.

Question 11

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

Accepted Answer

It’s optimal to fly from Hanoi to Sydney at noon. By choosing this option you can save up to 40% on the cost of your flight, compared to a flight in the afternoon.

Question 12

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

Accepted Answer

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

Question 13

How can I find direct flights from Hanoi to Sydney?

Accepted Answer

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

Question 14

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

Accepted Answer

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

Popular in	January
Cheapest in	May
Average price	$600
Good round-trip deal	$474 or less
Good one-way deal	$346 or less

Cheap flights from Hanoi (HAN) to Sydney (SYD)

Find cheap flights from Hanoi to Sydney with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Hanoi Noibai to Sydney Kingsford Smith are usually found in May or March, booked 68 days in advance, depart on a Wednesday or Monday and return on a Monday

Cheap flight deals from Hanoi to Sydney

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Best time to book a flight from Hanoi to Sydney

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

Cheapflights Insights

Everything you need to know about your flight from Hanoi to Sydney

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

Use this chart to determine the optimal time to book a round-trip flight from Hanoi to Sydney. Price data was last updated on July 25, 2025.

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

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

Find hourly flight availability from Hanoi to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2025.

Related info for your journey

Find useful and relevant information for your journey from Hanoi to Sydney. 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 Hanoi to Sydney flight route?

What are the most reliable airlines from Hanoi to Sydney?

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

How can I find direct flights from Hanoi to Sydney?

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

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

Traveling to a place near Sydney?

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 Hanoi to Sydney

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

Top airline flying from Hanoi to Sydney

100% Free

Book with Flexibility

Travel Smart