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Cheap flights from Hanoi to Sydney from $270

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/8. Fares are subject to change and may not be available on all flights or dates of travel.
HAN — SYD
26 Jun — 3 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Hanoi Noibai to Sydney Kingsford Smith are usually found in September or August, booked 77 days in advance, depart on a Friday or Tuesday and return on a Sunday

Cheap flight deals from Hanoi to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Hanoi to Sydney
Explore the most affordable flight options available from Hanoi to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 May 2026.

Wed 21/1005:30
HAN
-
SYD
1 stop22h 50m
VietJet Air
Wed 28/1011:15
SYD
-
HAN
1 stop25h 55m
VietJet Air
Deal found 23/5$563
Mon 31/815:20
HAN
-
SYD
1 stop25h 00m
Multiple Airlines
Fri 4/910:15
SYD
-
HAN
1 stop17h 35m
Multiple Airlines
Deal found 26/5$607
Thu 27/820:00
HAN
-
SYD
1 stop20h 20m
Multiple Airlines
Wed 2/920:50
SYD
-
HAN
1 stop26h 40m
Multiple Airlines
Deal found 27/5$631
Wed 4/1106:00
HAN
-
SYD
2 stops22h 05m
VietJet Air
Fri 6/1111:15
SYD
-
HAN
1 stop16h 25m
VietJet Air
Deal found 26/5$634
Thu 17/914:40
HAN
-
SYD
1 stop13h 40m
Multiple Airlines
Wed 23/920:50
SYD
-
HAN
1 stop14h 35m
Multiple Airlines
Deal found 23/5$641
Thu 17/920:00
HAN
-
SYD
1 stop20h 20m
Multiple Airlines
Thu 24/920:50
SYD
-
HAN
1 stop14h 35m
Multiple Airlines
Deal found 23/5$655
Tue 27/1019:05
HAN
-
SYD
2 stops33h 00m
VietJet Air
Thu 29/1011:15
SYD
-
HAN
1 stop16h 50m
VietJet Air
Deal found 27/5$672
Wed 1/712:50
HAN
-
SYD
1 stop27h 30m
Scoot
Wed 22/720:35
SYD
-
HAN
1 stop25h 25m
Scoot
Deal found 24/5$697

Find flight deals from Hanoi to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Hanoi (HAN) to Sydney (SYD). 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 27 May 2026.

Round-trip from

$563

One-way from

$270

Popular in

October

Cheapest in

September

Average price

$845

Good round-trip deal

$1,071 or less

Good one-way deal

$511 or less
VietJet Air
  • VietJet Air
  • 21/10-28/10
  • 2 total stops
  • 48h 45m total
  • Hanoi to Sydney
Search Deals
Scoot
  • Scoot
  • 27/8
  • 1 total stop
  • 20h 20m total
  • Hanoi to Sydney
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($5 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($42 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Hanoi Noibai to Sydney Kingsford Smith.
Search Deals
Price to beat on a one-way flight from Hanoi Noibai to Sydney Kingsford Smith.
Search Deals

Cheapflights 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, Cheapflights users made 647,157 searches. Data last updated 27 May 2026.
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 - SYD

HANSYD

Hanoi Noibai

Wed 4/11

06:00-08:05

2 stops22h 05m

Sydney Kingsford Smith

Fri 6/11

11:15-23:40

1 stop16h 25m

$634

HanoiSydney

HAN - SYD

HANSYD

Hanoi Noibai

Thu 27/8

23:40-12:15

Nonstop9h 35m

Sydney Kingsford Smith

Wed 2/9

20:50-20:30

1 stop26h 40m

$840

HanoiSydney

HAN - SYD

HANSYD

Hanoi Noibai

Sun 16/8

12:40-10:25

1 stop18h 45m

Sydney Kingsford Smith

Sun 30/8

18:00-15:25

1 stop24h 25m

$964

HanoiSydney

HAN - SYD

HANSYD

Hanoi Noibai

Wed 4/11

15:30-09:50

1 stop14h 20m

Sydney Kingsford Smith

Fri 6/11

15:15-20:55

Nonstop9h 40m

$999
Fastest return journey

HanoiSydney

HAN - SYD

HANSYD

Hanoi Noibai

Sun 28/6

23:40-12:15

Nonstop9h 35m

Sydney Kingsford Smith

Wed 8/7

14:15-21:20

Nonstop10h 05m

$1,140

HanoiSydney

HAN - SYD

HANSYD

Hanoi Noibai

Thu 27/8

15:45-08:00

2 stops37h 15m

Sydney Kingsford Smith

Wed 2/9

10:05-14:45

3 stops31h 40m

$1,149

HanoiSydney

HAN - SYD

HANSYD

Hanoi Noibai

Thu 25/6

18:30-10:25

1 stop12h 55m

Sydney Kingsford Smith

Fri 10/7

07:25-19:15

1 stop14h 50m

$1,205

HanoiSydney

HAN - SYD

HANSYD

Hanoi Noibai

Fri 28/8

20:15-12:35

2 stops37h 20m

Sydney Kingsford Smith

Wed 2/9

10:05-14:45

3 stops31h 40m

$1,258
Cheapest one-way

HanoiSydney

HAN - SYD

HANSYD

Hanoi Noibai

Wed 12/8

12:50-19:20

1 stop27h 30m

$274

HanoiSydney

HAN - SYD

HANSYD

Hanoi Noibai

Thu 5/11

06:05-08:05

2 stops22h 00m

$337

Flights are sorted by cheapest return flights first.

Deals found on 22/5

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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
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 Hanoi to Sydney

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

Booking 76 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, September is the cheapest month in which you can book a flight from Hanoi to Sydney (average of $746). Flying from Hanoi to Sydney in October is currently the most expensive (average of $1,276). 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?

Find hourly flight availability from Hanoi to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 May 2026.

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?

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 27 May 2026.
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.
Vietnam Airlines
7.7
Good
271 reviews
Check prices

Entertainment

6.3

Crew

8.2

Overall

7.7

Boarding

7.8

Comfort

7.7

Food

6.9

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.
Vietnam Airlines
7.7
Good
271 reviews
Vietnam Airlines
7.7
Good
271 reviews
Check prices

Entertainment

6.3

Crew

8.2

Overall

7.7

Boarding

7.8

Comfort

7.7

Food

6.9

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.
China Southern
7.5
Good
152 reviews
Vietnam Airlines
7.7
Good
271 reviews
Check prices

Entertainment

6.3

Crew

8.2

Overall

7.7

Boarding

7.8

Comfort

7.7

Food

6.9

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.
VietJet Air
5.6
Fair
167 reviews
Vietnam Airlines
7.7
Good
271 reviews
Check prices

Entertainment

6.3

Crew

8.2

Overall

7.7

Boarding

7.8

Comfort

7.7

Food

6.9

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.

Related info for your journey

Find useful and relevant information for your journey from Hanoi to Sydney. 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 Hanoi to Sydney flight route?

    Flights from Hanoi Noibai to Sydney Kingsford Smith have been viewed 179 times in the past calendar month.

  • How long is the flight from Hanoi to Sydney?

    Departing from Hanoi to Sydney will take you 14h 20m. 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 $459. Additional round-trip tickets that might be worth considering are offered by China Southern and Vietnam Airlines, with the lowest prices starting at $664 and $876, respectively. VietJet Air is currently priced 52% 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 $203. However, be on the lookout for offers from Scoot and AirAsia, 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 $813 for a flight from Hanoi to Sydney. The cheapest flight overall is $484 while the most popular route, (Hanoi Noibai - Sydney Kingsford Smith) is currently priced at $631.

  • 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, September is the cheapest month in which you can book a flight from Hanoi to Sydney (average of $746). Flying from Hanoi to Sydney in October is currently the most expensive (average of $1,276). 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
Katoomba
Cronulla
Manly
Terrigal
Lithgow
Bondi Beach
Leura
Randwick
Coogee

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Hanoi to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Ho Chi Minh City to Sydney flights
Da Nang to Sydney flights
Ho Chi Minh City to Coolangatta flights
Hue to Sydney flights

Top 3 airlines flying from Hanoi to Sydney

Discover the top 3 airlines that operate flights from Hanoi to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 27 May 2026.
AirlineCheapestAverageFlexibilityOn-time
VietJet AirCheapest$459Average$760FlexibilityNo cancel feeOn-timeN/A
Search VietJet Air flights
China SouthernCheapest$664Average$1,490FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Vietnam AirlinesCheapest$876Average$1,152FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

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