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Cheap flights from Hanoi to Sydney from $220

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 29/11. Fares are subject to change and may not be available on all flights or dates of travel.
HAN — SYD
18 Jun — 25 Jun1
1 adult

Cheapflights Tip: The best prices from Hanoi Noibai to Sydney Kingsford Smith are usually found in May or March, booked 68 days in advance, depart on a Thursday or Monday and return on a Monday

Cheap 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 13 June 2025.

Round-trip from

$480

One-way from

$220

Popular in

January

Cheapest in

May

Average price

$915

Good round-trip deal

$496 or less

Good one-way deal

$214 or less
VietJet Air
  • VietJet Air
  • 28/6-13/7
  • Nonstop
  • 20h 35m total
  • Hanoi to Sydney
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VietJet Air
  • VietJet Air
  • 29/11
  • Nonstop
  • 10h 10m total
  • Hanoi to Sydney
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($258 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease ($43 potential savings vs. average return price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Hanoi Noibai to Sydney Kingsford Smith.
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Price to beat on a one-way flight from Hanoi Noibai to Sydney Kingsford Smith.
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Find flight deals from Hanoi to Sydney

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 13 June 2025.

Sat 28/617:05HAN - SYD
Nonstop10h 05mVietJet Air
Sun 13/708:40SYD - HAN
Nonstop10h 30mVietJet Air
Deal found 11/6$480
Mon 28/715:30HAN - SYD
1 stop25h 30mMultiple Airlines
Thu 14/821:15SYD - HAN
1 stop20h 45mMultiple Airlines
Deal found 11/6$491
Thu 23/1011:45HAN - SYD
1 stop28h 55mChina Southern
Tue 28/1022:00SYD - HAN
1 stop29h 15mChina Southern
Deal found 11/6$729
Fri 13/615:40HAN - SYD
1 stop14h 40mXiamenAir
Tue 17/611:25SYD - HAN
1 stop30h 15mXiamenAir
Deal found 11/6$772
Thu 12/602:30HAN - SYD
1 stop26h 30mPhilippine Airlines
Tue 17/610:10SYD - HAN
1 stop18h 20mPhilippine Airlines
Deal found 11/6$835
Thu 23/1009:00HAN - SYD
1 stop20h 15mVietnam Airlines
Wed 29/1015:15SYD - HAN
Nonstop9h 50mVietnam Airlines
Deal found 11/6$890
Tue 17/603:00HAN - SYD
2 stops27h 00mChina Eastern
Thu 3/711:20SYD - HAN
3 stops32h 10mChina Eastern
Deal found 12/6$1,012
Sun 21/910:30HAN - SYD
1 stop21h 20mCathay Pacific
Sun 28/906:00SYD - HAN
2 stops36h 35mCathay Pacific
Deal found 11/6$1,030

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 13 June 2025.
Use the filters below to find and compare flights from Hanoi to Sydney that are best for you.

Fly from

Hanoi

Fly to

Sydney

Route

Depart

Return

Price

HanoiSydney

HAN - SYD

HANSYD

Hanoi Noibai

Sat 28/6

17:05-06:10

Nonstop10h 05m

Sydney Kingsford Smith

Sun 13/7

08:40-16:10

Nonstop10h 30m

$480

HanoiSydney

HAN - SYD

HANSYD

Hanoi Noibai

Mon 28/7

15:30-20:00

1 stop25h 30m

Sydney Kingsford Smith

Thu 14/8

21:15-15:00

1 stop20h 45m

$491

HanoiSydney

HAN - SYD

HANSYD

Hanoi Noibai

Thu 23/10

11:45-20:40

1 stop28h 55m

Sydney Kingsford Smith

Tue 28/10

22:00-23:15

1 stop29h 15m

$729

HanoiSydney

HAN - SYD

HANSYD

Hanoi Noibai

Sat 25/10

15:40-10:20

1 stop14h 40m

Sydney Kingsford Smith

Sat 1/11

12:30-14:40

1 stop30h 10m

$789

HanoiSydney

HAN - SYD

HANSYD

Hanoi Noibai

Thu 23/10

09:00-09:15

1 stop20h 15m

Sydney Kingsford Smith

Wed 29/10

15:15-21:05

Nonstop9h 50m

$890

HanoiSydney

HAN - SYD

HANSYD

Hanoi Noibai

Wed 22/10

01:45-09:00

1 stop27h 15m

Sydney Kingsford Smith

Sun 2/11

11:35-01:50

1 stop18h 15m

$967

HanoiSydney

HAN - SYD

HANSYD

Hanoi Noibai

Mon 27/10

19:25-21:25

2 stops22h 00m

Sydney Kingsford Smith

Fri 31/10

22:20-18:25

1 stop24h 05m

$1,015

HanoiSydney

HAN - SYD

HANSYD

Hanoi Noibai

Fri 27/6

02:20-09:00

1 stop27h 40m

Sydney Kingsford Smith

Sun 13/7

20:30-16:30

2 stops23h 00m

$1,048

HanoiSydney

HAN - SYD

HANSYD

Hanoi Noibai

Sat 29/11

17:00-07:10

Nonstop10h 10m

$220

HanoiSydney

HAN - SYD

HANSYD

Hanoi Noibai

Sat 21/6

15:30-07:50

1 stop13h 20m

$221

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Showing 1-10 of 22 results
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2
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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?

Use this chart to determine the optimal time to book a return flight from Hanoi to Sydney. Price data was last updated on 9 June 2025.

Booking 68 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, May is the cheapest month in which you can book a flight from Hanoi to Sydney (average of $129). Flying from Hanoi to Sydney in October is currently the most expensive (average of $171). 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 13 June 2025.

When flying from Hanoi to Sydney, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 43% versus a flight in the morning.

What is the cheapest day to fly from Hanoi to Sydney?

Use this chart to determine the cheapest time to fly return from Hanoi to Sydney. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Hanoi to Sydney flight should consider departing on Thursday afternoons when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

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 13 June 2025.
Get a feel of what it's like to fly with Cathay Pacific, China Southern and Vietnam Airlines from Hanoi to Sydney by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Cathay Pacific
7.6
Good
892 reviews
Check prices

Food

7.3

Entertainment

7.8

Overall

7.6

Boarding

7.9

Comfort

7.6

Crew

8.0

Reviews

1 / 20
8.0
Excellent

KS,June 2025

TFU - HKG

I like the crews and flights, English over the speakers were difficult to understand. The beef dinner was off flavor.
Cathay Pacific
7.6
Good
892 reviews
Cathay Pacific
7.6
Good
892 reviews
Check prices

Food

7.3

Entertainment

7.8

Overall

7.6

Boarding

7.9

Comfort

7.6

Crew

8.0

Reviews

1 / 20
8.0
Excellent

KS,June 2025

TFU - HKG

I like the crews and flights, English over the speakers were difficult to understand. The beef dinner was off flavor.
China Southern
7.5
Good
99 reviews
Cathay Pacific
7.6
Good
892 reviews
Check prices

Food

7.3

Entertainment

7.8

Overall

7.6

Boarding

7.9

Comfort

7.6

Crew

8.0

Reviews

1 / 20
8.0
Excellent

KS,June 2025

TFU - HKG

I like the crews and flights, English over the speakers were difficult to understand. The beef dinner was off flavor.
Vietnam Airlines
7.5
Good
194 reviews
Cathay Pacific
7.6
Good
892 reviews
Check prices

Food

7.3

Entertainment

7.8

Overall

7.6

Boarding

7.9

Comfort

7.6

Crew

8.0

Reviews

1 / 20
8.0
Excellent

KS,June 2025

TFU - HKG

I like the crews and flights, English over the speakers were difficult to understand. The beef dinner was off flavor.
Philippine Airlines
7.2
Good
871 reviews
Cathay Pacific
7.6
Good
892 reviews
Check prices

Food

7.3

Entertainment

7.8

Overall

7.6

Boarding

7.9

Comfort

7.6

Crew

8.0

Reviews

1 / 20
8.0
Excellent

KS,June 2025

TFU - HKG

I like the crews and flights, English over the speakers were difficult to understand. The beef dinner was off flavor.
China Eastern
7.2
Good
150 reviews
Cathay Pacific
7.6
Good
892 reviews
Check prices

Food

7.3

Entertainment

7.8

Overall

7.6

Boarding

7.9

Comfort

7.6

Crew

8.0

Reviews

1 / 20
8.0
Excellent

KS,June 2025

TFU - HKG

I like the crews and flights, English over the speakers were difficult to understand. The beef dinner was off flavor.

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 225 times in the past calendar month.

  • 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 $480. Additional round-trip tickets that might be worth considering are offered by China Southern and XiamenAir, with the lowest prices starting at $729 and $789, respectively. VietJet Air is currently priced 47% 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 $220. However, be on the lookout for offers from AirAsia and Scoot, as they are both options that can get you from Hanoi to Sydney for a low price.

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

    The top 3 most reliable airlines when flying from Hanoi to Sydney are VietJet Air (77%), Vietnam Airlines (61%) and Cambodia Angkor Air (61%).

  • What are the cheapest flights from Hanoi to Sydney?

    On average you can expect to pay $409 for a flight from Hanoi to Sydney. The cheapest flight overall is $209 while the most popular route, (Hanoi Noibai - Sydney Kingsford Smith) is currently priced at $477.

  • 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, May is the cheapest month in which you can book a flight from Hanoi to Sydney (average of $129). Flying from Hanoi to Sydney in October is currently the most expensive (average of $171). 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 Hanoi?

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

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
Hue to Sydney flights
Ho Chi Minh City to Coolangatta flights

Top 2 airlines flying from Hanoi to Sydney

Discover the top 2 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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
VietJet AirCheapest$418Average$699FlexibilityNo cancel feeOn-timeN/A
Search VietJet Air flights
Vietnam AirlinesCheapest$852Average$980FlexibilityNo 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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