$157 Cheap Flights from Hanoi (HAN) to Sydney (SYD)

Popular airlines from Noi Bai Intl. Airport (HAN) to Sydney Airport (SYD)

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Cheap Flights from Hanoi to Sydney (HAN-SYD)

Prices were available within the past 7 days and start at $157 for one-way flights and $332 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scoot
China Southern Airlines
Vietjet Air
APG Distribution System
Xiamen Airlines
Vietnam Airlines
Cathay Pacific
Philippine Airlines
Hahn Air Systems
Singapore Airlines

Find the cheapest month to fly from Hanoi (HAN) to Sydney (SYD)

August is typically the cheapest month to fly

From $330 - $647 per traveler.

Graph displaying average flight prices per month

Alternative airports near Sydney

Prices were available within the past 7 days. Prices and availability are subject to change.

Flights from Hanoi (HAN) to Sydney (SYD)
Origin airport
Noi Bai Intl.
Destination airport
Kingsford Smith Intl.
Airlines serving
APG Distribution System, Air China, All Nippon Airways, Asiana Airlines, Cathay Pacific, China Airlines, China Eastern Airlines, China Southern Airlines, Hahn Air Systems, Juneyao Air, Korean Air, Malaysia Airlines, Philippine Airlines, Scoot, Sichuan Airlines, Singapore Airlines, Thai Airways International, Vietjet Air, Vietnam Airlines, Xiamen Airlines
Roundtrip price
$331
Distance
4838 mi
Average flight time
12 hours 45 mins

Hanoi to Sydney Flights

The cheapest times to fly from Hanoi to Sydney

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Hanoi to Sydney are during the month of August. You can find some of the cheapest flights from Hanoi to Sydney with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Hanoi to Sydney

Sunday is one of the best days to book for cheap flights from Hanoi to Sydney: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Hanoi to Sydney

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Hanoi to Sydney in 2025. You can also book with separate airlines for your outbound and return journeys, from $157 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Hanoi to Sydney flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Hanoi to Sydney airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Noi Bai Intl. Airport (HAN) to Kingsford Smith Intl. Airport (SYD) cost?
Discover the latest flight deals from HAN to SYD by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from HAN to SYD?
The cheapest flights from HAN to SYD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Noi Bai Intl. Airport (HAN) to Kingsford Smith Intl. Airport (SYD)?
When flying out of Noi Bai Intl. Airport (HAN), you can catch a direct flight to Kingsford Smith Intl. Airport (SYD) with Vietnam Airlines.
What is the cheapest airline that flies from HAN to SYD?
Currently, the cheapest carrier operating one-way flights from HAN to SYD is Vietjet Air. You can take off on this route from $245. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from HAN on August 30 2025. Prices were last updated on July 2 2025 and have not changed since.
How many flights per day from Noi Bai Intl. Airport (HAN) to Kingsford Smith Intl. Airport (SYD)?
On average, Noi Bai Intl. Airport (HAN) offers 5 nonstop flights to Kingsford Smith Intl. Airport (SYD) each week. For more options, take advantage of Expedia's filters to discover flights with one or two stops. Fit in a quick visit to another city or simply break up your trip.
What are the most popular departure times for flights from Noi Bai Intl. Airport (HAN) to Kingsford Smith Intl. Airport (SYD)?
More people fly between HAN and SYD at 11 PM than at any other time of day. Rather go when it's quieter? Travel outside of rush hours and you could save on your fare as well.
What day of the week has the most flights from HAN to SYD?
Friday offers the most flights from Noi Bai Intl. Airport (HAN) to Kingsford Smith Intl. Airport (SYD). Consider taking off on this day and you'll have the best chance of finding a departure that fits your plans.
What is the earliest flight from Noi Bai Intl. Airport (HAN) to Kingsford Smith Intl. Airport (SYD)?
Take the earliest flight at around 5:00PM UTC+7, leaving from Noi Bai Intl. Airport (HAN). You'll be in the air for approximately 10h 10m, arriving at Kingsford Smith Intl. Airport (SYD) at approximately 7:10AM UTC+11.
How long does it take to fly from Noi Bai Intl. Airport (HAN) to Kingsford Smith Intl. Airport (SYD)?
Flights from HAN to SYD have an average travel time of 9 hours and 49 minutes. The distance between these two airports is 4,800 mi.
What airline has the least delays from HAN to SYD?
Consider booking with Vietnam Airlines if you'd like to fly straight from Noi Bai Intl. Airport (HAN) to Kingsford Smith Intl. Airport (SYD) without any holdups. This airline has the best track record for punctuality, with an on-time score of 87%. Want to get notified of any changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Noi Bai Intl. Airport (HAN) to Kingsford Smith Intl. Airport (SYD)?
To land at Kingsford Smith Intl. Airport (SYD) on time, opt for a flight that leaves Noi Bai Intl. Airport (HAN) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Sydney from Noi Bai Intl. Airport (HAN)?
If you're on a direct flight from Noi Bai Intl. Airport (HAN) to Sydney, Kingsford Smith Intl. Airport (SYD) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Noi Bai Intl. Airport (HAN) to Kingsford Smith Intl. Airport (SYD) last-minute?
Holding off until right before your break to book a ticket from HAN to SYD generally means paying more. While you might find some last-minute discounts, they aren't always guaranteed. Keep your travel plans flexible for a better chance of getting a bargain.
Is it cheaper to book a HAN to SYD flight and hotel package?
Compared with arranging hotels and flights separately, booking a HAN to SYD flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one easy place takes the hassle out of planning your trip. Simply pick your flights and choose from our wide range of stays, then customize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Noi Bai Intl. Airport (HAN) to Kingsford Smith Intl. Airport (SYD)?
You can usually reschedule or cancel your HAN to SYD flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.