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Cheap flights from Sydney to Hanoi from £184

SYD — HAN
30 Oct — 6 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to Hanoi

Enter your travel dates to find the best prices.

Cheapest flights from Sydney to Hanoi

Wed 4/1107:55 -
2 stops16h 35m
Wed 18/1109:35 -
1 stop29h 15m
Deal found 27/9£418
Tue 6/1022:15 -
1 stop18h 15m
Wed 21/1013:20 -
1 stop13h 35m
Deal found 26/9£464
Wed 4/1121:30 -
2 stops21h 15m
Wed 18/1116:00 -
2 stops38h 00m
Deal found 27/9£468
Tue 6/1022:15 -
1 stop18h 15m
Thu 22/1013:20 -
1 stop13h 35m
Deal found 30/9£469
Sat 17/1009:15 -
1 stop19h 05m
Sun 1/1102:00 -
1 stop24h 50m
Deal found 26/9£481
Tue 6/1022:15 -
1 stop18h 15m
Fri 23/1013:20 -
1 stop13h 35m
Deal found 26/9£487
Sat 10/1009:50 -
1 stop30h 40m
Wed 21/1013:20 -
1 stop13h 35m
Deal found 26/9£489
Mon 19/1011:15 -
1 stop15h 25m
Sun 8/1109:40 -
1 stop20h 20m
Deal found 26/9£490
Sat 10/1009:50 -
1 stop30h 40m
Thu 22/1013:20 -
1 stop13h 35m
Deal found 26/9£495

Find flight deals from Sydney to Hanoi

Round-trip from

£382

One-way from

£184

Popular in

December

Cheapest in

May

Average price

£603
China Southern
  • China Southern
  • 30/1-5/3
  • 2 total stops
  • 41h 10m total
  • Sydney to Hanoi
Search Deals
Hahn Air Systems
  • Hahn Air Systems
  • 18/3-31/12
  • 1 total stop
  • 13h 50m total
  • Sydney to Hanoi
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£78 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Sydney to Hanoi that are best for you.

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Route

Depart

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Price

Cheapest return flight

SydneyHanoi

SYD Sydney Kingsford Smith - HAN Hanoi Noibai

SYDHAN

Sydney Kingsford Smith

Fri 26/2

12:05-00:50

2 stops16h 45m

Hanoi Noibai

Wed 31/12

00:00-02:00

Nonstop0h 00m

£221

SydneyHanoi

SYD Sydney Kingsford Smith - HAN Hanoi Noibai

SYDHAN

Sydney Kingsford Smith

Fri 19/3

12:05-07:00

2 stops22h 55m

Hanoi Noibai

Wed 31/12

00:00-02:00

Nonstop0h 00m

£264

SydneyHanoi

SYD Sydney Kingsford Smith - HAN Hanoi Noibai

SYDHAN

Sydney Kingsford Smith

Fri 23/10

11:15-22:35

2 stops39h 20m

Hanoi Noibai

Wed 31/12

00:00-02:00

Nonstop0h 00m

£271

SydneyHanoi

SYD Sydney Kingsford Smith - HAN Hanoi Noibai

SYDHAN

Sydney Kingsford Smith

Sun 14/3

09:10-18:15

2 stops37h 05m

Hanoi Noibai

Wed 31/12

00:00-02:00

Nonstop0h 00m

£363

SydneyHanoi

SYD Sydney Kingsford Smith - HAN Hanoi Noibai

SYDHAN

Sydney Kingsford Smith

Sat 20/3

12:05-10:05

2 stops50h 00m

Hanoi Noibai

Wed 31/12

00:00-02:00

Nonstop0h 00m

£368
Fastest return journey

SydneyHanoi

SYD Sydney Kingsford Smith - HAN Hanoi Noibai

SYDHAN

Sydney Kingsford Smith

Sat 27/2

15:15-20:55

Nonstop9h 40m

Hanoi Noibai

Wed 31/12

00:00-02:00

Nonstop0h 00m

£420

SydneyHanoi

SYD Sydney Kingsford Smith - HAN Hanoi Noibai

SYDHAN

Sydney Kingsford Smith

Mon 15/3

15:15-20:55

Nonstop9h 40m

Hanoi Noibai

Wed 31/12

00:00-02:00

Nonstop0h 00m

£455

SydneyHanoi

SYD Sydney Kingsford Smith - HAN Hanoi Noibai

SYDHAN

Sydney Kingsford Smith

Sat 30/1

15:15-18:15

1 stop31h 00m

Hanoi Noibai

Fri 5/3

19:25-07:30

2 stops32h 05m

£599

SydneyHanoi

SYD Sydney Kingsford Smith - HAN Hanoi Noibai

SYDHAN

Sydney Kingsford Smith

Thu 15/10

11:15-22:40

1 stop15h 25m

Hanoi Noibai

Tue 27/10

23:35-13:15

Nonstop9h 40m

£621

SydneyHanoi

SYD Sydney Kingsford Smith - HAN Hanoi Noibai

SYDHAN

Sydney Kingsford Smith

Sun 28/2

18:45-10:05

2 stops19h 20m

Hanoi Noibai

Mon 1/3

19:25-16:25

2 stops17h 00m

£631

Flights are sorted by cheapest return flights first.

Deals found on 29/9

Showing 1-10 of 19 resultsSorted by cheapest first
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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

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?

To ensure you get the cheapest price possible for a flight from Sydney to Hanoi, you should look to book at least 78 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 £427). Flying from Sydney to Hanoi in December is currently the most expensive (average of £848). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sydney to Hanoi as you normally would.

How much does it cost for a return flight from Sydney to Hanoi?

Airfare is below average for this route at the moment.

Sydney to Hanoi flights typically cost between £420 and £572 in January.
The cheapest return price found within the last 5 days was £382 on China Southern (30 Jan–5 Mar).

Related info for your journey

  • How popular is this Sydney to Hanoi flight route?

    This flight path from Sydney Kingsford Smith to Hanoi Noibai was viewed by 2 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Sydney to Hanoi?

    There are many flights that can get you from Sydney to Hanoi in 15h 25m. Fly via Vietnam Airlines to get the fastest option. The distance between Sydney and Hanoi is about 4836 mi.

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

    Consider Cambodia Angkor Air (84%), Air France (82%) or Vietnam Airlines (82%) 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 £427). Flying from Sydney to Hanoi in December is currently the most expensive (average of £848). 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.

See more FAQs

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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?

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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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