Cheap flights from Hanoi to Sydney from $365

HAN — SYD
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Hanoi Noibai to Sydney Kingsford Smith are usually found in August or June, booked 45 days in advance, depart on a Saturday or Monday and return on a Friday

Cheap flight deals from Hanoi to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Hanoi to Sydney

Sat 21/1115:40 -
1 stop14h 55m
Tue 24/1112:35 -
1 stop30h 05m
Deal found 3/11$827
Fri 13/1115:40 -
1 stop14h 55m
Fri 20/1112:35 -
1 stop30h 05m
Deal found 4/11$829
Sun 15/1109:35 -
1 stop22h 35m
Wed 18/1111:10 -
2 stops24h 50m
Deal found 1/11$832
Wed 9/1207:45 -
1 stop22h 15m
Wed 6/109:20 -
1 stop36h 25m
Deal found 4/11$844
Sun 27/1214:40 -
1 stop15h 20m
Mon 11/107:55 -
2 stops17h 20m
Deal found 2/11$852
Wed 4/1121:40 -
1 stop32h 20m
Mon 9/1112:35 -
1 stop30h 05m
Deal found 4/11$869
Wed 23/1215:40 -
1 stop14h 55m
Tue 5/112:35 -
1 stop30h 05m
Deal found 3/11$879
Wed 18/1109:35 -
1 stop29h 15m
Sat 21/1111:15 -
2 stops31h 45m
Deal found 3/11$887
Wed 23/1215:10 -
1 stop14h 50m
Tue 5/109:20 -
1 stop20h 25m
Deal found 3/11$899

Find flight deals from Hanoi to Sydney

Round-trip from

$827

One-way from

$365

Popular in

December

Cheapest in

August

Average price

$1,145

Good round-trip deal

$1,366 or less

Good one-way deal

$621 or less
XiamenAir
  • XiamenAir
  • 21/11-24/11
  • 2 total stops
  • 45h 00m total
  • Hanoi to Sydney
VietJet Air
  • VietJet Air
  • 11/11-31/12
  • 2 total stops
  • 34h 10m total
  • Hanoi to Sydney
Highest demand for flights based on searches. 7% potential increase in price ($128 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease ($32 potential savings vs. average return price).
Average for round-trip flights in November 2026
Price to beat on a round-trip flight from Hanoi Noibai to Sydney Kingsford Smith.
Price to beat on a one-way flight from Hanoi Noibai to Sydney Kingsford Smith.

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HanoiSydney

HAN Hanoi Noibai - SYD Sydney Kingsford Smith

HANSYD

Hanoi Noibai

Sat 14/11

19:50-10:00

2 stops34h 10m

Sydney Kingsford Smith

Wed 31/12

00:00-22:00

Nonstop0h 00m

$385

HanoiSydney

HAN Hanoi Noibai - SYD Sydney Kingsford Smith

HANSYD

Hanoi Noibai

Sun 27/12

10:40-13:40

1 stop23h 00m

Sydney Kingsford Smith

Wed 31/12

00:00-22:00

Nonstop0h 00m

$409

HanoiSydney

HAN Hanoi Noibai - SYD Sydney Kingsford Smith

HANSYD

Hanoi Noibai

Sat 26/12

14:55-13:40

1 stop18h 45m

Sydney Kingsford Smith

Wed 31/12

00:00-22:00

Nonstop0h 00m

$409

HanoiSydney

HAN Hanoi Noibai - SYD Sydney Kingsford Smith

HANSYD

Hanoi Noibai

Tue 10/11

19:50-10:00

2 stops58h 10m

Sydney Kingsford Smith

Wed 31/12

00:00-22:00

Nonstop0h 00m

$452

HanoiSydney

HAN Hanoi Noibai - SYD Sydney Kingsford Smith

HANSYD

Hanoi Noibai

Thu 24/12

21:40-10:00

2 stops56h 20m

Sydney Kingsford Smith

Wed 31/12

00:00-22:00

Nonstop0h 00m

$482
Fastest return journey

HanoiSydney

HAN Hanoi Noibai - SYD Sydney Kingsford Smith

HANSYD

Hanoi Noibai

Thu 10/12

23:35-13:15

Nonstop9h 40m

Sydney Kingsford Smith

Wed 31/12

00:00-22:00

Nonstop0h 00m

$498

HanoiSydney

HAN Hanoi Noibai - SYD Sydney Kingsford Smith

HANSYD

Hanoi Noibai

Tue 1/12

23:10-06:30

3 stops27h 20m

Sydney Kingsford Smith

Wed 31/12

00:00-22:00

Nonstop0h 00m

$510

HanoiSydney

HAN Hanoi Noibai - SYD Sydney Kingsford Smith

HANSYD

Hanoi Noibai

Tue 1/12

23:35-13:15

Nonstop9h 40m

Sydney Kingsford Smith

Wed 31/12

00:00-22:00

Nonstop0h 00m

$524

HanoiSydney

HAN Hanoi Noibai - SYD Sydney Kingsford Smith

HANSYD

Hanoi Noibai

Sun 22/11

05:55-10:00

2 stops24h 05m

Sydney Kingsford Smith

Wed 31/12

00:00-22:00

Nonstop0h 00m

$530

HanoiSydney

HAN Hanoi Noibai - SYD Sydney Kingsford Smith

HANSYD

Hanoi Noibai

Thu 25/2

23:35-13:15

Nonstop9h 40m

Sydney Kingsford Smith

Wed 31/12

00:00-22:00

Nonstop0h 00m

$696

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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

Cheapflights Insights

Everything you need to know about your flight from Hanoi to Sydney

How far ahead should I book a flight from Hanoi to Sydney?

Booking 42 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, August is the cheapest month in which you can book a flight from Hanoi to Sydney (average of $969). Flying from Hanoi to Sydney in December is currently the most expensive (average of $1,410). 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?

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

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

Airfare is below average for this route at the moment.

Hanoi to Sydney flights typically cost between $1,098 and $1,390 in November.
The cheapest return price found within the last 5 days was $827 on XiamenAir (21 Nov–24 Nov).

Reviews of airlines servicing Sydney

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.

Entertainment

6.3

Comfort

7.7

Overall

7.7

Boarding

7.8

Crew

8.3

Food

6.9

Reviews

1 / 17
6.0
Good

Laura,Sept 2026

DAD - SGN

Flight was delayed - no communication until we boarded nearly an hour late

Entertainment

6.3

Comfort

7.7

Overall

7.7

Boarding

7.8

Crew

8.3

Food

6.9

Reviews

1 / 17
6.0
Good

Laura,Sept 2026

DAD - SGN

Flight was delayed - no communication until we boarded nearly an hour late

Entertainment

6.3

Comfort

7.7

Overall

7.7

Boarding

7.8

Crew

8.3

Food

6.9

Reviews

1 / 17
6.0
Good

Laura,Sept 2026

DAD - SGN

Flight was delayed - no communication until we boarded nearly an hour late

Entertainment

6.3

Comfort

7.7

Overall

7.7

Boarding

7.8

Crew

8.3

Food

6.9

Reviews

1 / 17
6.0
Good

Laura,Sept 2026

DAD - SGN

Flight was delayed - no communication until we boarded nearly an hour late

Related info for your journey

  • How popular is this Hanoi to Sydney flight route?

  • How long is the flight from Hanoi to Sydney?

    Departing from Hanoi to Sydney will take you 9h 40m. Airlines will cover a distance of 7783 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from Hanoi to Sydney round-trip?

    Flying on VietJet Air is currently your cheapest option to Sydney, with prices starting at $632. Additional round-trip tickets that might be worth considering are offered by China Southern and Vietnam Airlines, with the lowest prices starting at $682 and $970, respectively. VietJet Air is currently priced 46% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Hanoi to Sydney one-way?

    The cheapest airline one-way is VietJet Air, with whom users have recently found tickets for as low as $271. However, be on the lookout for offers from Scoot and XiamenAir, as they are both options that can get you from Hanoi to Sydney for a low price.

  • What are the cheapest flights from Hanoi to Sydney?

    On average you can expect to pay $1,137 for a flight from Hanoi to Sydney. The cheapest flight overall is $516 while the most popular route, (Hanoi Noibai - Sydney Kingsford Smith) is currently priced at $731.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Hanoi to Sydney 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 Hanoi to Sydney?

    Currently, August is the cheapest month in which you can book a flight from Hanoi to Sydney (average of $969). Flying from Hanoi to Sydney in December is currently the most expensive (average of $1,410). 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

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Penrith
Manly
Cronulla
Katoomba
Terrigal
Lithgow
Randwick
Leura
Bondi Beach
Coogee

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Hanoi to Sydney

Top 3 airlines flying from Hanoi to Sydney

AirlineCheapestAverageFlexibilityOn-time
VietJet AirCheapest$632Average$977FlexibilityNo cancel feeOn-timeN/A
Search VietJet Air flights
China SouthernCheapest$682Average$1,271FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Vietnam AirlinesCheapest$970Average$1,153FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights

Fly with Cheapflights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.