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Cheap flights from Sydney to Hanoi

SYD — HAN
23 Jul — 30 Jul1
1 adult

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 Wednesday 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 18 July 2025.

Popular in

December

Cheapest in

March

Average price

£424
Highest demand for flights based on searches. 20% potential increase in price (£84 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£18 potential savings vs. average return price).
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Average for round-trip flights in July 2025
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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.
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 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 11 July 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 18 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 at midday tend to be the most expensive. A flight in the morning could potentially save you up to 25% 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.

  • How popular is this Sydney to Hanoi flight route?

    This flight path from Sydney Kingsford Smith to Hanoi Noibai was viewed by 15 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the most reliable airlines from Sydney to Hanoi?

    Consider Air France (52%), Vietnam Airlines (52%) or Cambodia Angkor Air (52%) when booking your flight. These represent the most reliable airlines when flying from Sydney to Hanoi.

  • Can I find deals for flights from Sydney to Hanoi that include hotel bookings?

    Yes. In addition to deals on Sydney to Hanoi flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sydney to Hanoi?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Hanoi.

  • Can I find deals for business class flights from Sydney to Hanoi?

    Yes. Cheapflights offers flight deals from Sydney to Hanoi by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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.

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Why should you use Cheapflights to find cheap flight tickets from Sydney to Hanoi?

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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.

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