Cheap flights from Hanoi (HAN) to Sydney (SYD)
HAN — SYD
Mar 6 — Mar 131
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Hanoi Noibai to Sydney Kingsford Smith are usually found in May or December, booked 77 days in advance, depart on a Wednesday or Monday and return on a Wednesday
Find flight deals from Hanoi to Sydney
Discover tips and strategies to find the most affordable flight options for your journey from Hanoi (HAN) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Popular in | January |
Cheapest in | May |
Average price | $682 |
Compare providers for flights from Hanoi to Sydney
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Hanoi to Sydney in February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Hanoi-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Hanoi-Sydney flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Hanoi-Sydney flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Hanoi-Sydney flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Hanoi-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
HAN-SYD
Estimated round-trip 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 Hanoi to Sydney
Prices
Delays
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 January 30, 2026.
The best time to book flights from Hanoi to Sydney is 77 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.
What is the cheapest month to book a flight from Hanoi to Sydney?
Currently, December is the cheapest month in which you can book a flight from Hanoi to Sydney (average of $246). Flying from Hanoi to Sydney in January is currently the most expensive (average of $737). 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 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 February 4, 2026.
When flying from Hanoi to Sydney, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How often are flights from Hanoi to Sydney delayed?
About 28% of weekly flights between Hanoi and Sydney have experienced delays in the past year, with the average delay time being 199 minutes.
What is the most punctual flight time for Hanoi to Sydney flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Friday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Hanoi to Sydney flights?
Over the last year, Vietnam Airlines have had the lowest number of delays on this route, with just 25% of flights being delayed.
Reviews of airlines servicing Sydney
Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated February 4, 2026.
Read reviews from past customers who have flown VietJet Air from Hanoi to Sydney. 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.
Entertainment
4.0
Crew
6.6
Overall
5.5
Boarding
6.0
Comfort
5.3
Food
4.7
Reviews
1 / 6
2.0
MediocreAnonymous,Dec 2025
DAD - SGN
Entertainment
4.0
Crew
6.6
Overall
5.5
Boarding
6.0
Comfort
5.3
Food
4.7
Reviews
1 / 6
2.0
MediocreAnonymous,Dec 2025
DAD - SGN
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.
Traveling to a place near Sydney?
Book flights to Sydney if you plan to visit one of these locationsParramatta
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Manly
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Find flights from Hanoi to Sydney, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Hanoi and Sydney flights
Browse other Hanoi and Sydney flight options. Last updated on February 4, 2026.
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Top airline flying from Hanoi to Sydney
Discover the top airline that operate flights from Hanoi to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$338 | Average$474 | FlexibilityNo cancel fee | On-timeN/A |