Cheap flights from Sydney to Hanoi from $285
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 13/10. Fares are subject to change and may not be available on all flights or dates of travel.
Cheapflights Tip: The best prices from Sydney Kingsford Smith to Hanoi Noibai are usually found in March or August, booked 58 days in advance, depart on a Monday or Tuesday and return on a Wednesday
Cheap flight deals from Sydney to Hanoi
Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Hanoi (HAN). 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 11 July 2025.
Round-trip from | $529 |
---|---|
One-way from | $286 |
Popular in | December |
Cheapest in | March |
Average price | $871 |
Good round-trip deal | $768 or less |
Good one-way deal | $443 or less |
Find flight deals from Sydney to Hanoi
Cheapest flights from Sydney to HanoiExplore the most affordable flight options available from Sydney to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.
Explore the most affordable flight options available from Sydney to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Sydney to Hanoi 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 11 July 2025.
Use the filters below to find and compare flights from Sydney to Hanoi that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
SydneyHanoi
SYD - HAN
SYDHAN
Sydney Kingsford Smith
Thu 14/8
08:40-16:10
Nonstop10h 30m
Hanoi Noibai
Thu 21/8
12:55-11:35
1 stop19h 40m
SydneyHanoi
SYD - HAN
SYDHAN
Sydney Kingsford Smith
Thu 20/11
20:20-08:45
1 stop16h 25m
Hanoi Noibai
Mon 24/11
09:45-13:05
1 stop23h 20m
SydneyHanoi
SYD - HAN
SYDHAN
Sydney Kingsford Smith
Thu 4/9
08:40-16:10
Nonstop10h 30m
Hanoi Noibai
Sat 13/9
17:05-06:10
Nonstop10h 05m
SydneyHanoi
SYD - HAN
SYDHAN
Sydney Kingsford Smith
Mon 13/10
11:15-23:10
1 stop15h 55m
SydneyHanoi
SYD - HAN
SYDHAN
Sydney Kingsford Smith
Thu 17/7
20:45-11:55
1 stop18h 10m
SydneyHanoi
SYD - HAN
SYDHAN
Sydney Kingsford Smith
Thu 13/11
20:20-15:10
2 stops22h 50m
Best time to book a flight from Sydney to Hanoi
Have a flexible travel schedule? Discover the best time to fly to Hanoi from Sydney with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Sydney to Hanoi
How far ahead should I book a flight from Sydney to Hanoi?
Use this chart to determine the optimal time to book a return flight from Sydney to Hanoi. Price data was last updated on 27 June 2025.
The best time to book flights from Sydney to Hanoi is 58 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 Sydney to Hanoi?
Currently, October is the cheapest month in which you can book a flight from Sydney to Hanoi (average of $460). Flying from Sydney to Hanoi in December is currently the most expensive (average of $817). 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 SYD to HAN?
Find hourly flight availability from Sydney to Hanoi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 July 2025.
It’s typically best to fly out from Sydney to Hanoi in the evening. Doing so could potentially save you 28% on the flight price compared to flying in the afternoon, which is usually more expensive.
What is the cheapest day to fly from Sydney to Hanoi?
Use this chart to determine the cheapest time to fly return from Sydney to Hanoi. Price data was last updated on 6 July 2025.
Travellers seeking maximum savings on their Sydney to Hanoi flight should consider departing on Thursday evenings when fares are most often at their lowest. Tuesday at midday flights should be avoided if possible as fares are typically the most expensive at this time.
How much does it cost for a return flight from Sydney to Hanoi?
Reviews of airlines servicing Hanoi
Get insights into the airlines that provide service to Hanoi. 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 Hanoi. Reviews last updated 11 July 2025.
Read through reviews of airlines operating flights from Sydney to Hanoi, such as Scoot and VietJet Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
Boarding
Comfort
Crew
Entertainment
Overall
Reviews
Anonymous,Mar 2025
CSX - SIN
Food
Boarding
Comfort
Crew
Entertainment
Overall
Reviews
Anonymous,Mar 2025
CSX - SIN
Food
Boarding
Comfort
Crew
Entertainment
Overall
Reviews
Anonymous,Mar 2025
CSX - SIN
Related info for your journey
Find useful and relevant information for your journey from Sydney to Hanoi. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Fly from Sydney to Hanoi on these airlines
Choose from the following airlines for your flight from Sydney to Hanoi. Flights are based on user searches made on Cheapflights and were last updated on 11 July 2025.
Top 10 airlines flying from Sydney to Hanoi
Discover the top 10 airlines that operate flights from Sydney to Hanoi. 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 11 July 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 Sydney to Hanoi?
Cheapflights makes it easy to find Sydney to Hanoi flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Sydney to Hanoi?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Sydney to Hanoi for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Sydney to Hanoi with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Sydney to Hanoi flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Sydney to Hanoi become cheaper?
Yes! Start tracking prices for Sydney to Hanoi 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.