Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Hanoi to Sydney from $238

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Hanoi to Sydney departing on 29/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Hanoi to Sydney

Cheap return flights

VietJet Air Logo
05:30 - 08:20HAN-SYD
22h 50m1 stop
VietJet Air Logo
11:15 - 01:30SYD-HAN
18h 15m1 stop
$489VietJet Air
Find Deal
Tue, 21 Oct - Mon, 27 Oct
VietJet Air Logo
08:40 - 08:05HAN-SYD
19h 25m1 stop
VietJet Air Logo
11:15 - 22:25SYD-HAN
15h 10m1 stop
$496VietJet Air
Find Deal
Mon, 27 Oct - Mon, 3 Nov
VietJet Air Logo
08:40 - 08:05HAN-SYD
19h 25m1 stop
VietJet Air Logo
11:15 - 22:25SYD-HAN
15h 10m1 stop
$501VietJet Air
Find Deal
Mon, 27 Oct - Mon, 3 Nov
Logo
14:50 - 09:15HAN-SYD
14h 25m1 stop
Logo
11:15 - 22:00SYD-HAN
14h 45m1 stop
$520
Find Deal
Fri, 6 Mar - Sat, 14 Mar
Logo
08:40 - 13:05HAN-SYD
24h 25m2 stops
Logo
14:20 - 21:15SYD-HAN
34h 55m2 stops
$523
Find Deal
Mon, 27 Oct - Mon, 3 Nov
Logo
08:40 - 13:05HAN-SYD
24h 25m2 stops
Logo
14:20 - 21:15SYD-HAN
34h 55m2 stops
$525
Find Deal
Mon, 27 Oct - Mon, 3 Nov
Logo
08:40 - 13:05HAN-SYD
24h 25m2 stops
Logo
11:15 - 23:55SYD-HAN
16h 40m1 stop
$528
Find Deal
Mon, 27 Oct - Mon, 3 Nov
Scoot Logo
12:55 - 20:10HAN-SYD
27h 15m1 stop
Scoot Logo
20:05 - 08:45SYD-HAN
16h 40m1 stop
$565Scoot
Find Deal
Thu, 23 Oct - Thu, 30 Oct
Scoot Logo
09:40 - 18:50HAN-SYD
29h 10m1 stop
Scoot Logo
14:20 - 08:35SYD-HAN
22h 15m1 stop
$577Scoot
Find Deal
Sun, 22 Feb - Sat, 28 Feb
XiamenAir Logo
15:40 - 10:25HAN-SYD
14h 45m1 stop
XiamenAir Logo
12:30 - 14:40SYD-HAN
30h 10m1 stop
$672XiamenAir
Find Deal
Sun, 26 Oct - Mon, 10 Nov

VietJet Air flights from Hanoi to Sydney

Our best VietJet Air deals on Hanoi to Sydney flight tickets
VietJet Air
21 Oct
HAN05:30Hanoi Noibai
22h 50m
1 stop
SYD08:20Sydney Kingsford Smith
27 Oct
SYD11:15Sydney Kingsford Smith
18h 15m
1 stop
HAN01:30Hanoi Noibai
$489
Find similar
VietJet Air
27 Oct
HAN08:40Hanoi Noibai
19h 25m
1 stop
SYD08:05Sydney Kingsford Smith
3 Nov
SYD11:15Sydney Kingsford Smith
15h 10m
1 stop
HAN22:25Hanoi Noibai
$496
Find similar
VietJet Air
27 Oct
HAN08:40Hanoi Noibai
19h 25m
1 stop
SYD08:05Sydney Kingsford Smith
3 Nov
SYD11:15Sydney Kingsford Smith
15h 10m
1 stop
HAN22:25Hanoi Noibai
$501
Find similar

Cathay Pacific flights from Hanoi to Sydney

Our best Cathay Pacific deals on Hanoi to Sydney flight tickets
Cathay Pacific
21 Sept
HAN19:05Hanoi Noibai
12h 45m
1 stop
SYD10:50Sydney Kingsford Smith
28 Sept
SYD07:00Sydney Kingsford Smith
38h 05m
2 stops
HAN18:05Hanoi Noibai
$1,446
Find similar
Cathay Pacific
21 Sept
HAN10:55Hanoi Noibai
20h 55m
1 stop
SYD10:50Sydney Kingsford Smith
28 Sept
SYD11:30Sydney Kingsford Smith
33h 35m
2 stops
HAN18:05Hanoi Noibai
$1,452
Find similar
Cathay Pacific
21 Sept
HAN19:05Hanoi Noibai
19h 35m
2 stops
SYD17:40Sydney Kingsford Smith
28 Sept
SYD12:05Sydney Kingsford Smith
33h 00m
2 stops
HAN18:05Hanoi Noibai
$1,980
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Hanoi to Sydney 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, momondo users made 78,305 searches. Data last updated 13 September 2025.
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

HanoiSydney

HAN - SYD

HANSYD

Hanoi Noibai

Tue 21/10

05:30-08:20

1 stop22h 50m

Sydney Kingsford Smith

Mon 27/10

11:15-01:30

1 stop18h 15m

$489

HanoiSydney

HAN - SYD

HANSYD

Hanoi Noibai

Mon 27/10

08:40-08:05

1 stop19h 25m

Sydney Kingsford Smith

Mon 3/11

11:15-22:25

1 stop15h 10m

$496

HanoiSydney

HAN - SYD

HANSYD

Hanoi Noibai

Mon 27/10

08:40-08:05

1 stop19h 25m

Sydney Kingsford Smith

Mon 3/11

11:15-22:25

1 stop15h 10m

$501

HanoiSydney

HAN - SYD

HANSYD

Hanoi Noibai

Fri 6/3

14:50-09:15

1 stop14h 25m

Sydney Kingsford Smith

Sat 14/3

11:15-22:00

1 stop14h 45m

$520

HanoiSydney

HAN - SYD

HANSYD

Hanoi Noibai

Mon 27/10

08:40-13:05

2 stops24h 25m

Sydney Kingsford Smith

Mon 3/11

14:20-21:15

2 stops34h 55m

$523

HanoiSydney

HAN - SYD

HANSYD

Hanoi Noibai

Mon 27/10

08:40-13:05

2 stops24h 25m

Sydney Kingsford Smith

Mon 3/11

14:20-21:15

2 stops34h 55m

$525

HanoiSydney

HAN - SYD

HANSYD

Hanoi Noibai

Mon 27/10

08:40-13:05

2 stops24h 25m

Sydney Kingsford Smith

Mon 3/11

11:15-23:55

1 stop16h 40m

$528

HanoiSydney

HAN - SYD

HANSYD

Hanoi Noibai

Thu 23/10

12:55-20:10

1 stop27h 15m

Sydney Kingsford Smith

Thu 30/10

20:05-08:45

1 stop16h 40m

$565

HanoiSydney

HAN - SYD

HANSYD

Hanoi Noibai

Sun 22/2

09:40-18:50

1 stop29h 10m

Sydney Kingsford Smith

Sat 28/2

14:20-08:35

1 stop22h 15m

$577

HanoiSydney

HAN - SYD

HANSYD

Hanoi Noibai

Sun 26/10

15:40-10:25

1 stop14h 45m

Sydney Kingsford Smith

Mon 10/11

12:30-14:40

1 stop30h 10m

$672

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Sydney from

How to get the cheapest flight ticket from Hanoi to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Hanoi and Sydney?

What is the cheapest month to fly to Sydney?

The month of March is, on average, the cheapest month to fly to Sydney from Hanoi, with most prices found around $719. If you aren’t able to travel to Sydney during the month of March, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $753.

What is the cheapest day to depart on your flight to Sydney?

Our data shows that Saturday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $615. The most expensive day to fly to Sydney is Tuesday, with ticket prices averaging around $949.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is in the afternoon. momondo users have found flights departing from Hanoi to Sydney in the afternoon for as low as $690. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,145 on average. Flights to Sydney from Hanoi in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Hanoi Noibai to Sydney Kingsford Smith flight route?

Fly from Hanoi Noibai to Sydney Kingsford Smith for the best Hanoi Noibai - Sydney Kingsford Smith flight prices

How far in advance should I book a flight to Sydney?

You are more likely to see cheaper flights to Sydney from Hanoi when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $904 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Hanoi for as low as $752 on momondo.

What cabin class options are available on Hanoi Noibai to Sydney Kingsford Smith flights?

There are 3 cabin classes available to choose from on Hanoi Noibai to Sydney Kingsford Smith flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Hanoi to Sydney flight prices changed over time?

As of September 2025, prices for Hanoi to Sydney flights are approximately 21% cheaper when compared to flights at the same time last year.

When to book flights from Hanoi to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Hanoi to Sydney according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Hanoi to Sydney (HAN to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Hanoi to Sydney

Best price found

$258

Fastest flight time

9h 25m

Direct flights

Mon, Wed and Sat

Airports in Sydney

1 airport
The best one-way flight to Sydney from Hanoi in the past 72 hours is $258. The best return flight deal from Hanoi to Sydney found on momondo in the last 72 hours is $502.
The fastest flight from Hanoi to Sydney takes 9h 25m
Direct flights go from Hanoi to Sydney on Monday, Wednesday and Saturday. Airline offering direct flights is Vietnam Airlines..
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)
Search flight deals

  • How far is Hanoi Noibai to Sydney Kingsford Smith by plane?

    There are 7762.4 km between Hanoi Noibai and Sydney Kingsford Smith. A reasonable flight in good conditions will take 12h 40m.

  • When did momondo last update prices for flights from Hanoi Noibai Airport to Sydney Kingsford Smith Airport?

    Prices for flights from Hanoi Noibai Airport to Sydney Kingsford Smith Airport were last updated today.

  • How many operators does momondo search for flights from Hanoi Noibai Airport to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from Hanoi Noibai Airport to Sydney Kingsford Smith Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Hanoi Noibai Airport to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Hanoi to Sydney?

  • What is the most popular airline from Hanoi to Sydney?

Best airlines flying from Hanoi to Sydney

Compare and see reviews for airlines that fly from Hanoi to Sydney with momondo
Airline
Rating
Free cancellation
Price
VietJet AirPriceFrom $476Free cancellationRating
5.6
147 reviews
Search VietJet Air flights
Vietnam AirlinesPriceFrom $864Free cancellationRating
7.6
201 reviews
Search Vietnam Airlines flights

  • Vietnam Airlines Flights From Hanoi to Sydney

    The lowest priced Vietnam Airlines flight from Hanoi to Sydney from the last 72 hours was $575. Generally, Vietnam Airlines has 2 flights on this route every week with an average price of $664. Vietnam Airlines is rated 7.6/10 by our users.

  • VietJet Air Flights From Hanoi to Sydney

    Another popular option for Hanoi to Sydney flights is VietJet Air (5.6/10, 147 ratings). VietJet Air flies from Hanoi to Sydney around 2 times per week, with deals starting from $317 round-trip and rising to an average price of around $485.

Travelling to a place near Sydney?

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

Why use momondo?

Why should I use momondo to find a flight deal from Hanoi to Sydney?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Sydney from Hanoi.

Can I find flights from Hanoi to Sydney with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Hanoi to Sydney flights to just show those with flexible booking policies.

How can momondo help me find flights from Hanoi to Sydney?

momondo provides multiple filters to help you find the best flight to Sydney from Hanoi. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Hanoi to Sydney right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Hanoi to Sydney flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Sydney trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 13/10
Mon 20/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia