Cheap flights from Sydney to Hanoi
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 Thursday and return on a Monday
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 4 July 2025.
Popular in | December |
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Cheapest in | March |
Average price | £419 |
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.
To ensure you get the cheapest price possible for a flight from Sydney to Hanoi, you should look to book at least 58 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Sydney to Hanoi?
Currently, May is the cheapest month in which you can book a flight from Sydney to Hanoi (average of £793). Flying from Sydney to Hanoi in December is currently the most expensive (average of £1,137). 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 4 July 2025.
One of the essential ways to save on airfare from Sydney to Hanoi is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 50% on airfare.
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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Complete your trip
Complete your trip to Hanoi by adding a car hire and/or hotel booking to your travel itinerary.
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How does Cheapflights help users find flights from Sydney to Hanoi?
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Why should you use Cheapflights to find cheap flight tickets from Sydney to Hanoi?
Cheapflights simply makes it quick and affordable to book flights from Sydney to Hanoi by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Sydney to Hanoi with no change fees?
Certainly. Search results for flights to Hanoi from Sydney shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from Sydney to Hanoi become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Hanoi from Sydney today and book when prices fit your budget.