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Cheap flights from Hanoi to Sydney from $254

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
HAN — SYD
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Hanoi Noibai to Sydney Kingsford Smith are usually found in May or March, booked 77 days in advance, depart on a Thursday or Tuesday and return on a Sunday

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 7 November 2025.

Round-trip from

$591

One-way from

$254

Popular in

October

Cheapest in

May

Average price

$909

Good round-trip deal

$1,392 or less

Good one-way deal

$712 or less
Scoot
  • Scoot
  • 5/5-10/5
  • 2 total stops
  • 45h 45m total
  • Hanoi to Sydney
Search Deals
VietJet Air
  • VietJet Air
  • 2/5
  • 1 total stop
  • 29h 15m total
  • Hanoi to Sydney
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($216 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($63 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
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

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 7 November 2025.

Wed 24/1213:40HAN - SYD
1 stop14h 25mMultiple Airlines
Sat 10/112:30SYD - HAN
1 stop30h 10mMultiple Airlines
Deal found 5/11$634
Wed 24/1215:20HAN - SYD
1 stop12h 45mMultiple Airlines
Tue 13/107:15SYD - HAN
1 stop18h 20mMultiple Airlines
Deal found 5/11$642
Tue 23/1215:10HAN - SYD
1 stop12h 55mMultiple Airlines
Tue 13/107:15SYD - HAN
1 stop18h 20mMultiple Airlines
Deal found 5/11$643
Mon 22/1211:40HAN - SYD
1 stop16h 25mMultiple Airlines
Tue 13/107:15SYD - HAN
1 stop14h 05mMultiple Airlines
Deal found 5/11$663
Sun 21/1214:00HAN - SYD
1 stop14h 05mMultiple Airlines
Tue 13/107:15SYD - HAN
1 stop18h 20mMultiple Airlines
Deal found 5/11$669
Sat 20/1223:40HAN - SYD
1 stop28h 25mMultiple Airlines
Wed 7/112:30SYD - HAN
1 stop30h 10mMultiple Airlines
Deal found 5/11$672
Tue 23/1219:05HAN - SYD
1 stop33h 00mMultiple Airlines
Sun 11/121:25SYD - HAN
1 stop28h 35mMultiple Airlines
Deal found 5/11$676
Wed 24/1215:20HAN - SYD
1 stop12h 45mMultiple Airlines
Mon 12/115:15SYD - HAN
1 stop23h 25mMultiple Airlines
Deal found 5/11$677
Tue 23/1215:10HAN - SYD
1 stop12h 55mMultiple Airlines
Mon 12/115:15SYD - HAN
1 stop23h 25mMultiple Airlines
Deal found 5/11$679
Fri 26/1215:10HAN - SYD
1 stop12h 55mMultiple Airlines
Mon 12/115:15SYD - HAN
1 stop23h 25mMultiple Airlines
Deal found 5/11$680
Thu 25/1218:30HAN - SYD
1 stop13h 00mMultiple Airlines
Tue 13/107:15SYD - HAN
1 stop18h 20mMultiple Airlines
Deal found 5/11$682
Mon 22/1211:40HAN - SYD
1 stop16h 25mMultiple Airlines
Wed 7/112:30SYD - HAN
1 stop30h 10mMultiple Airlines
Deal found 5/11$686

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 7 November 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

Thu 19/3

15:45-09:25

1 stop13h 40m

Sydney Kingsford Smith

Mon 23/3

11:25-10:40

1 stop27h 15m

$731

HanoiSydney

HAN - SYD

HANSYD

Hanoi Noibai

Mon 22/12

17:45-08:05

1 stop34h 20m

Sydney Kingsford Smith

Mon 29/12

13:30-19:40

2 stops34h 10m

$1,030

HanoiSydney

HAN - SYD

HANSYD

Hanoi Noibai

Thu 19/3

19:30-18:00

2 stops18h 30m

Sydney Kingsford Smith

Mon 23/3

08:45-18:30

1 stop13h 45m

$1,040

HanoiSydney

HAN - SYD

HANSYD

Hanoi Noibai

Sun 26/4

23:50-12:15

Nonstop9h 25m

Sydney Kingsford Smith

Fri 1/5

10:15-22:35

1 stop15h 20m

$1,059

HanoiSydney

HAN - SYD

HANSYD

Hanoi Noibai

Thu 25/12

19:30-15:00

2 stops15h 30m

Sydney Kingsford Smith

Tue 13/1

09:10-10:05

2 stops28h 55m

$1,071

HanoiSydney

HAN - SYD

HANSYD

Hanoi Noibai

Thu 19/3

16:00-09:50

1 stop13h 50m

Sydney Kingsford Smith

Mon 23/3

15:15-20:45

Nonstop9h 30m

$1,137

HanoiSydney

HAN - SYD

HANSYD

Hanoi Noibai

Sun 21/12

19:30-12:00

1 stop12h 30m

Sydney Kingsford Smith

Tue 13/1

09:10-10:05

2 stops28h 55m

$1,206

HanoiSydney

HAN - SYD

HANSYD

Hanoi Noibai

Sat 27/12

15:40-10:25

1 stop14h 45m

Sydney Kingsford Smith

Fri 2/1

12:30-14:40

1 stop30h 10m

$1,236

HanoiSydney

HAN - SYD

HANSYD

Hanoi Noibai

Wed 18/3

02:45-10:00

1 stop27h 15m

Sydney Kingsford Smith

Mon 23/3

12:00-01:45

1 stop17h 45m

$1,242

HanoiSydney

HAN - SYD

HANSYD

Hanoi Noibai

Sat 2/5

23:05-07:20

1 stop29h 15m

$255

Flights are sorted by cheapest return flights first.

Deals found on 6/11

Showing 1-10 of 17 results
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?

Use this chart to determine the optimal time to book a return flight from Hanoi to Sydney. Price data was last updated on 31 October 2025.

Booking 77 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, February is the cheapest month in which you can book a flight from Hanoi to Sydney (average of $419). Flying from Hanoi to Sydney in October is currently the most expensive (average of $692). 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 7 November 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 44% versus a flight in the evening.

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 Monday afternoons when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 7 November 2025.
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
7.6
Good
212 reviews
Check prices

Boarding

7.6

Food

6.8

Comfort

7.6

Crew

8.1

Entertainment

6.3

Overall

7.6

Reviews

1 / 14
10.0
Excellent

Allen,Aug 2025

SGN - PER

We were surprised. Vietnam airlines was a wonderful and comfortable experience. Our flights were on time, the staff were very attentive, and the aircraft was spacious. We flew on a 787.
Vietnam Airlines
7.6
Good
212 reviews
Vietnam Airlines
7.6
Good
212 reviews
Check prices

Boarding

7.6

Food

6.8

Comfort

7.6

Crew

8.1

Entertainment

6.3

Overall

7.6

Reviews

1 / 14
10.0
Excellent

Allen,Aug 2025

SGN - PER

We were surprised. Vietnam airlines was a wonderful and comfortable experience. Our flights were on time, the staff were very attentive, and the aircraft was spacious. We flew on a 787.
China Southern
7.5
Good
119 reviews
Vietnam Airlines
7.6
Good
212 reviews
Check prices

Boarding

7.6

Food

6.8

Comfort

7.6

Crew

8.1

Entertainment

6.3

Overall

7.6

Reviews

1 / 14
10.0
Excellent

Allen,Aug 2025

SGN - PER

We were surprised. Vietnam airlines was a wonderful and comfortable experience. Our flights were on time, the staff were very attentive, and the aircraft was spacious. We flew on a 787.
VietJet Air
5.6
Fair
152 reviews
Vietnam Airlines
7.6
Good
212 reviews
Check prices

Boarding

7.6

Food

6.8

Comfort

7.6

Crew

8.1

Entertainment

6.3

Overall

7.6

Reviews

1 / 14
10.0
Excellent

Allen,Aug 2025

SGN - PER

We were surprised. Vietnam airlines was a wonderful and comfortable experience. Our flights were on time, the staff were very attentive, and the aircraft was spacious. We flew on a 787.

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 197 times in the past calendar month.

  • How long is the flight from Hanoi to Sydney?

    Departing from Hanoi to Sydney will take you 9h 25m. 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 $488. Additional round-trip tickets that might be worth considering are offered by China Southern and Vietnam Airlines, with the lowest prices starting at $593 and $885, respectively. VietJet Air is currently priced 48% below the average price you’ll pay for this route.

  • 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 (75%), Vietnam Airlines (65%) and Cambodia Angkor Air (65%).

  • What are the cheapest flights from Hanoi to Sydney?

    On average you can expect to pay $1,393 for a flight from Hanoi to Sydney. The cheapest flight overall is $510 while the most popular route, (Hanoi Noibai - Sydney Kingsford Smith) is currently priced at $591.

  • 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, February is the cheapest month in which you can book a flight from Hanoi to Sydney (average of $419). Flying from Hanoi to Sydney in October is currently the most expensive (average of $692). 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
Katoomba
Penrith
Terrigal
Manly
Randwick
Lithgow
Coogee
Leura
Bondi Beach
Cronulla

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 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 7 November 2025.
AirlineCheapestAverageFlexibilityOn-time
VietJet AirCheapest$488Average$734FlexibilityNo cancel feeOn-timeN/A
Search VietJet Air flights
China SouthernCheapest$593Average$731FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Vietnam AirlinesCheapest$885Average$1,206FlexibilityNo 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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