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Cheap flights from Hanoi to Sydney from $246
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/3. Fares are subject to change and may not be available on all flights or dates of travel.
HAN — SYD
16 Nov — 23 Nov1
Cheapflights Tip: The best prices from Hanoi Noibai to Sydney Kingsford Smith are usually found in May or March, booked 77 days in advance, depart on a Thursday or Friday and return on a Sunday
Cheap 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 17 October 2025.
Find flight deals from Hanoi to Sydney
Cheapest flights from Hanoi to SydneyExplore the most affordable flight options available from Hanoi to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 2025.
Explore the most affordable flight options available from Hanoi to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 2025.
Fri 7/1109:40HAN - SYD
1 stop29h 10mScoot
Sat 15/1120:05SYD - HAN
1 stop16h 30mScoot
Deal found 16/10$560
Thu 23/1012:55HAN - SYD
1 stop27h 15mScoot
Fri 31/1014:20SYD - HAN
1 stop22h 15mScoot
Deal found 15/10$611
Fri 7/1109:40HAN - SYD
1 stop29h 10mMultiple Airlines
Sat 15/1120:05SYD - HAN
2 stops31h 50mMultiple Airlines
Deal found 16/10$636
Sat 29/1118:30HAN - SYD
1 stop33h 35mMultiple Airlines
Sat 6/1217:35SYD - HAN
1 stop32h 00mMultiple Airlines
Deal found 15/10$654
Thu 23/1012:55HAN - SYD
1 stop27h 15mMultiple Airlines
Fri 31/1020:05SYD - HAN
2 stops31h 50mMultiple Airlines
Deal found 15/10$661
Sun 30/1115:10HAN - SYD
1 stop12h 55mMultiple Airlines
Sun 7/1217:35SYD - HAN
1 stop32h 00mMultiple Airlines
Deal found 16/10$670
Mon 24/1115:20HAN - SYD
1 stop12h 45mMultiple Airlines
Fri 28/1106:35SYD - HAN
1 stop19h 00mMultiple Airlines
Deal found 16/10$682
Mon 1/1221:45HAN - SYD
1 stop30h 20mMultiple Airlines
Mon 8/1217:35SYD - HAN
1 stop32h 00mMultiple Airlines
Deal found 17/10$688
Thu 27/1118:10HAN - SYD
1 stop13h 20mMultiple Airlines
Sun 30/1117:35SYD - HAN
1 stop32h 00mMultiple Airlines
Deal found 16/10$693
Wed 5/1109:40HAN - SYD
1 stop23h 25mMultiple Airlines
Mon 10/1111:15SYD - HAN
1 stop15h 55mMultiple Airlines
Deal found 17/10$694
Cheapflights Fare Finder
Customise your flight search to find flights from Hanoi to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 17 October 2025.
Use the filters below to find and compare flights from Hanoi to Sydney that are best for you.
Fly from
Hanoi
Fly to
Sydney
Route
Depart
Return
Price
HanoiSydney
HAN - SYD
HANSYD
Hanoi Noibai
Sun 30/11
15:10-08:05
1 stop12h 55m
Sydney Kingsford Smith
Sun 7/12
17:35-21:35
1 stop32h 00m
$676
HanoiSydney
HAN - SYD
HANSYD
Hanoi Noibai
Thu 5/3
14:50-09:15
1 stop14h 25m
Sydney Kingsford Smith
Tue 31/3
11:15-20:40
1 stop13h 25m
$691
HanoiSydney
HAN - SYD
HANSYD
Hanoi Noibai
Mon 9/3
15:20-08:05
1 stop12h 45m
Sydney Kingsford Smith
Tue 31/3
11:15-20:40
1 stop13h 25m
$694
HanoiSydney
HAN - SYD
HANSYD
Hanoi Noibai
Tue 28/10
12:40-08:05
1 stop15h 25m
Sydney Kingsford Smith
Fri 21/11
11:15-00:55
1 stop17h 40m
$785
HanoiSydney
HAN - SYD
HANSYD
Hanoi Noibai
Thu 30/10
02:50-09:50
1 stop27h 00m
Sydney Kingsford Smith
Wed 28/1
11:15-21:00
1 stop13h 45m
$787
HanoiSydney
HAN - SYD
HANSYD
Hanoi Noibai
Tue 16/12
07:10-08:05
2 stops20h 55m
Sydney Kingsford Smith
Sat 10/1
22:10-13:40
3 stops19h 30m
$873
HanoiSydney
HAN - SYD
HANSYD
Hanoi Noibai
Thu 19/3
08:55-08:05
1 stop19h 10m
Sydney Kingsford Smith
Mon 23/3
11:15-07:05
2 stops23h 50m
$924
HanoiSydney
HAN - SYD
HANSYD
Hanoi Noibai
Thu 26/3
08:55-08:05
1 stop19h 10m
Sydney Kingsford Smith
Tue 28/4
10:15-12:20
2 stops29h 05m
$952
HanoiSydney
HAN - SYD
HANSYD
Hanoi Noibai
Sat 14/2
01:05-09:50
1 stop28h 45m
Sydney Kingsford Smith
Fri 20/2
14:20-08:35
1 stop22h 15m
$967
HanoiSydney
HAN - SYD
HANSYD
Hanoi Noibai
Sun 15/3
23:30-13:15
Nonstop9h 45m
Sydney Kingsford Smith
Wed 15/4
14:15-21:10
Nonstop9h 55m
$1,025
Showing 1-10 of 21 results
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.
Estimated return 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
More
How far ahead should I book a flight from Hanoi to Sydney?
Use this chart to determine the optimal time to book a return flight from Hanoi to Sydney. Price data was last updated on 10 October 2025.
Booking 77 days in advance of your planned departure date is, on average, the best time to get cheap flights from Hanoi to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Hanoi to Sydney?
Currently, February is the cheapest month in which you can book a flight from Hanoi to Sydney (average of $419). Flying from Hanoi to Sydney in October is currently the most expensive (average of $627). 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 17 October 2025.
When flying from Hanoi to Sydney, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 42% versus a flight in the morning.
What is the cheapest day to fly from Hanoi to Sydney?
Use this chart to determine the cheapest time to fly return from Hanoi to Sydney. Price data was last updated on 16 December 2024.
Travellers seeking maximum savings on their Hanoi to Sydney flight should consider departing on Monday afternoons when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from Hanoi to Sydney delayed?
About 25% of weekly flights between Hanoi and Sydney have experienced delays in the past year, with the average delay time being 194 minutes.
Which airline has the best punctuality record on Hanoi to Sydney flights?
Over the past year, Cambodia Angkor Air have had the lowest number of delays on this route, with just 21% of flights being delayed.
What’s the top stopover airport for flights from Hanoi to Sydney?
Share of one-stop return flights from Hanoi to Sydney chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Ho Chi Minh City (SGN) – chosen by Cheapflights users on 44% of one-stop itineraries from Hanoi to Sydney on Cheapflights.
What’s the fastest stopover option from Hanoi to Sydney?
Shortest average travel time for one-stop one-way flights from Hanoi to Sydney, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Hong Kong (HKG) have the shortest average one-way travel time for one-stop routes: 12h 35m.
What’s the fastest stopover option from Hanoi to Sydney?
Shortest average travel time for one-stop one-way flights from Hanoi to Sydney, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Hong Kong (HKG) have the shortest average one-way travel time for one-stop routes: 12h 35m.
Which airport typically offers the quickest stopover for flights from Hanoi to Sydney?
Average stopover duration for one-stop one-way flights from Hanoi to Sydney, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Hong Kong (HKG) offer the fastest connection on this route, with an average stopover time of 2h 20m.
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 17 October 2025.
Get a feel of what it's like to fly with Vietnam Airlines, China Southern, andVietJet Air from Hanoi to Sydney by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.5
Comfort
7.5
Food
6.8
Boarding
7.5
Crew
8.1
Entertainment
6.3
Reviews
1 / 14
10.0
ExcellentAllen,Aug 2025
SGN - PER
Overall
7.5
Comfort
7.5
Food
6.8
Boarding
7.5
Crew
8.1
Entertainment
6.3
Reviews
1 / 14
10.0
ExcellentAllen,Aug 2025
SGN - PER
Overall
7.5
Comfort
7.5
Food
6.8
Boarding
7.5
Crew
8.1
Entertainment
6.3
Reviews
1 / 14
10.0
ExcellentAllen,Aug 2025
SGN - PER
Overall
7.5
Comfort
7.5
Food
6.8
Boarding
7.5
Crew
8.1
Entertainment
6.3
Reviews
1 / 14
10.0
ExcellentAllen,Aug 2025
SGN - PER
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.
Travelling to a place near Sydney?
Book flights to Sydney if you plan to visit one of these locationsParramatta
Wollongong
Katoomba
Penrith
Manly
Terrigal
Randwick
Coogee
Cronulla
Leura
Lithgow
Bondi Beach
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Hanoi to Sydney
See prices for flight routes from nearby airports that may be better suited for you.
Top 3 airlines flying from Hanoi to Sydney
Discover the top 3 airlines 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 647,157 searches. Data last updated 17 October 2025.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Hanoi to Sydney?
Cheapflights helps you search for flights from Hanoi to Sydney via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Hanoi to Sydney?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Hanoi to Sydney for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Hanoi to Sydney with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Hanoi to Sydney, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Hanoi to Sydney become cheaper?
Yes! Start tracking prices for Hanoi to Sydney flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.