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Cheap flights from Sydney to Hanoi from $317

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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — HAN
5 May — 12 May1
1 adult

Cheapflights Tip: The best prices from Sydney Kingsford Smith to Hanoi Noibai are usually found in March or August, booked 6 days in advance, depart on a Thursday or Monday and return on a Monday

Cheap flight deals from Sydney to Hanoi

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Hanoi (HAN). 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 30 April 2025.

Round-trip from

$571

One-way from

$323

Popular in

December

Cheapest in

March

Average price

$948

Good round-trip deal

$770 or less

Good one-way deal

$419 or less
VietJet Air
  • VietJet Air
  • 8/5-24/5
  • Nonstop
  • 20h 35m total
  • Sydney to Hanoi
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VietJet Air
  • VietJet Air
  • 12/6
  • Nonstop
  • 10h 30m total
  • Sydney to Hanoi
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($385 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease ($76 potential savings vs. average return price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Sydney Kingsford Smith to Hanoi Noibai.
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Price to beat on a one-way flight from Sydney Kingsford Smith to Hanoi Noibai.
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Find flight deals from Sydney to Hanoi

Cheapest flights from Sydney to Hanoi
Explore the most affordable flight options available from Sydney to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 April 2025.

Thu 8/508:40SYD - HAN
Nonstop10h 30mVietJet Air
Sat 24/517:05HAN - SYD
Nonstop10h 05mVietJet Air
Deal found 29/4$571
Wed 28/512:50SYD - HAN
1 stop26h 05mScoot
Wed 4/612:55HAN - SYD
1 stop27h 35mScoot
Deal found 29/4$573
Sun 25/512:50SYD - HAN
1 stop26h 05mMultiple Airlines
Fri 30/515:30HAN - SYD
1 stop25h 30mMultiple Airlines
Deal found 29/4$578
Sat 31/511:25SYD - HAN
1 stop30h 15mXiamenAir
Sun 8/615:40HAN - SYD
1 stop14h 40mXiamenAir
Deal found 28/4$646
Sun 18/521:45SYD - HAN
1 stop22h 00mChina Southern
Sat 24/508:15HAN - SYD
1 stop32h 25mChina Southern
Deal found 29/4$653
Mon 1/910:10SYD - HAN
1 stop17h 35mPhilippine Airlines
Mon 15/901:45HAN - SYD
1 stop27h 15mPhilippine Airlines
Deal found 29/4$767
Thu 5/611:00SYD - HAN
1 stop17h 20mChina Eastern
Tue 17/602:20HAN - SYD
1 stop27h 40mChina Eastern
Deal found 29/4$771
Sat 31/514:15SYD - HAN
Nonstop9h 55mVietnam Airlines
Sun 8/623:50HAN - SYD
Nonstop9h 25mVietnam Airlines
Deal found 28/4$788
Sun 6/711:15SYD - HAN
1 stop23h 25mCebu Pacific
Wed 16/702:30HAN - SYD
1 stop28h 15mCebu Pacific
Deal found 28/4$877

Cheapflights Fare Finder

Customise your flight search to find flights from Sydney to Hanoi 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 30 April 2025.
Use the filters below to find and compare flights from Sydney to Hanoi that are best for you.

Fly from

Sydney

Fly to

Hanoi

Route

Depart

Return

Price

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Wed 28/5

12:50-11:55

1 stop26h 05m

Hanoi Noibai

Wed 4/6

12:55-19:30

1 stop27h 35m

$573

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Sun 25/5

12:50-11:55

1 stop26h 05m

Hanoi Noibai

Fri 30/5

15:30-20:00

1 stop25h 30m

$578

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Sun 7/9

08:40-16:10

Nonstop10h 30m

Hanoi Noibai

Sat 20/9

17:05-06:10

Nonstop10h 05m

$579

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Sat 31/5

11:25-14:40

1 stop30h 15m

Hanoi Noibai

Sun 8/6

15:40-09:20

1 stop14h 40m

$646

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Sun 18/5

21:45-16:45

1 stop22h 00m

Hanoi Noibai

Sat 24/5

08:15-19:40

1 stop32h 25m

$653

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Mon 1/9

10:10-00:45

1 stop17h 35m

Hanoi Noibai

Mon 15/9

01:45-08:00

1 stop27h 15m

$767

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Thu 5/6

11:00-01:20

1 stop17h 20m

Hanoi Noibai

Tue 17/6

02:20-09:00

1 stop27h 40m

$771

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Sat 31/5

14:15-21:10

Nonstop9h 55m

Hanoi Noibai

Sun 8/6

23:50-12:15

Nonstop9h 25m

$788

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Sun 6/7

11:15-07:40

1 stop23h 25m

Hanoi Noibai

Wed 16/7

02:30-09:45

1 stop28h 15m

$877

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Wed 28/5

07:40-18:05

1 stop13h 25m

Hanoi Noibai

Wed 11/6

19:05-10:50

1 stop12h 45m

$981

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 19 results
1
2

Best time to book a flight from Sydney to Hanoi

Have a flexible travel schedule? Discover the best time to fly to Hanoi from Sydney 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 Sydney to Hanoi

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

Use this chart to determine the optimal time to book a return flight from Sydney to Hanoi. Price data was last updated on 25 April 2025.

The best time to book flights from Sydney to Hanoi is 6 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Sydney to Hanoi?

Currently, October is the cheapest month in which you can book a flight from Sydney to Hanoi (average of $460). Flying from Sydney to Hanoi in December is currently the most expensive (average of $817). 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 SYD to HAN?

Find hourly flight availability from Sydney to Hanoi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 April 2025.

It’s typically best to fly out from Sydney to Hanoi in the evening. Doing so could potentially save you 30% on the flight price compared to flying in the afternoon, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly return from Sydney to Hanoi. Price data was last updated on 30 March 2025.

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

Rainfall in Hanoi by month

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

In terms of precipitation, rainfall in Hanoi ranges from 14.0 - 296.0 inches per month. August is typically the wettest month, when rainfall can reach 296.0 mm. December is typically the driest time to visit Hanoi when rainfall is around 14.0 mm.

Temperature in Hanoi by month

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

If weather is an important factor for your trip to Hanoi, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 17.0 C).

Reviews of airlines servicing Hanoi

Get insights into the airlines that provide service to Hanoi. 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 Hanoi. Reviews last updated 30 April 2025.
Read through reviews of airlines operating flights from Sydney to Hanoi, such as Vietnam Airlines, Cathay Pacific and China Southern. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Vietnam Airlines
7.6
Good
196 reviews
Check prices

Boarding

7.5

Entertainment

6.2

Crew

8.1

Comfort

7.5

Food

6.8

Overall

7.6

Reviews

1 / 12
6.0
Good

Glenn,Jan 2025

PQC - SGN

The planes are fairly new, but interior is not in great condition. Boarding process is a little confusing and way too much carry on really makes the boarding process more stressful than it needs to be.
Vietnam Airlines
7.6
Good
196 reviews
Vietnam Airlines
7.6
Good
196 reviews
Check prices

Boarding

7.5

Entertainment

6.2

Crew

8.1

Comfort

7.5

Food

6.8

Overall

7.6

Reviews

1 / 12
6.0
Good

Glenn,Jan 2025

PQC - SGN

The planes are fairly new, but interior is not in great condition. Boarding process is a little confusing and way too much carry on really makes the boarding process more stressful than it needs to be.
Cathay Pacific
7.5
Good
852 reviews
Vietnam Airlines
7.6
Good
196 reviews
Check prices

Boarding

7.5

Entertainment

6.2

Crew

8.1

Comfort

7.5

Food

6.8

Overall

7.6

Reviews

1 / 12
6.0
Good

Glenn,Jan 2025

PQC - SGN

The planes are fairly new, but interior is not in great condition. Boarding process is a little confusing and way too much carry on really makes the boarding process more stressful than it needs to be.
China Southern
7.5
Good
96 reviews
Vietnam Airlines
7.6
Good
196 reviews
Check prices

Boarding

7.5

Entertainment

6.2

Crew

8.1

Comfort

7.5

Food

6.8

Overall

7.6

Reviews

1 / 12
6.0
Good

Glenn,Jan 2025

PQC - SGN

The planes are fairly new, but interior is not in great condition. Boarding process is a little confusing and way too much carry on really makes the boarding process more stressful than it needs to be.
Philippine Airlines
7.2
Good
857 reviews
Vietnam Airlines
7.6
Good
196 reviews
Check prices

Boarding

7.5

Entertainment

6.2

Crew

8.1

Comfort

7.5

Food

6.8

Overall

7.6

Reviews

1 / 12
6.0
Good

Glenn,Jan 2025

PQC - SGN

The planes are fairly new, but interior is not in great condition. Boarding process is a little confusing and way too much carry on really makes the boarding process more stressful than it needs to be.
China Eastern
7.1
Good
148 reviews
Vietnam Airlines
7.6
Good
196 reviews
Check prices

Boarding

7.5

Entertainment

6.2

Crew

8.1

Comfort

7.5

Food

6.8

Overall

7.6

Reviews

1 / 12
6.0
Good

Glenn,Jan 2025

PQC - SGN

The planes are fairly new, but interior is not in great condition. Boarding process is a little confusing and way too much carry on really makes the boarding process more stressful than it needs to be.

Related info for your journey

Find useful and relevant information for your journey from Sydney to Hanoi. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Sydney to Hanoi?

    Booking a flight from Sydney Kingsford Smith (SYD) to Hanoi Noibai (HAN) is your only option if you wish to fly from Sydney to Hanoi. On a typical day, there is 1 flight from Kingsford Smith to Noibai, all of which are around 9h 55m for a nonstop flight. You can also purchase a plane ticket from 15 airlines when you book a flight from Kingsford Smith to Hanoi.

  • How popular is this Sydney to Hanoi flight route?

    Flights from Sydney Kingsford Smith to Hanoi Noibai have been viewed 6,008 times in the past calendar month.

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

    VietJet Air, at $571, was found to be the cheapest airline from Sydney to Hanoi.Alternate airlines to your destination round-trip include Scoot and XiamenAir. You may be able to fly from Sydney to Hanoi for 35% less than the average price by searching for these airlines.

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

    The cheapet airlines for a one-way flight from Sydney to Hanoi are VietJet Air ($323), Scoot ($334), and XiamenAir ($368).

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Sydney to Hanoi on time: Air France (92%), Vietnam Airlines (92%), Cambodia Angkor Air (92%).

  • What are the cheapest flights from Sydney to Hanoi?

    On average you can expect to pay $1,975 for a flight from Sydney to Hanoi. The cheapest flight overall is $289 while the most popular route, (Sydney Kingsford Smith - Hanoi Noibai) is currently priced at $525.

  • Where are the most common stopover locations when flying from Sydney to Hanoi?

    The most popular stopover on flights from Sydney to Hanoi is Ho Chi Minh City. Singapore sees the second most layovers for non-direct flights flying from Sydney to Hanoi.

  • What are some popular things to do or see while on a stopover in Ho Chi Minh City?

    If you're on a stopover in Ho Chi Minh City and looking for things to do, consider visiting Ben Thanh Market, An Dong Market, or Saigon Skydeck. Travellers on a stopover Ho Chi Minh City can visit Ben Thanh Market, An Dong Market, and Saigon Skydeck, by traveling 6.6 km, 7.0 km, and 7.3 km, respectively after landing at Ho Chi Minh City.

  • What are some popular points of interest to see during a stopover in Singapore?

    If you're on a stopover in Singapore and looking for things to do, consider visiting Sentosa, Merlion, or Boat Quay. Those on a layover in Singapore interested in visiting Sentosa, Merlion, or Boat Quay can do so by travelling 21.6 km, 16.9 km, and 17.3 km, respectively from Singapore Changi. Those landing in Singapore looking to spend some time exploring during their stopover can hire a car for about $118 per day.

  • Where are the least popular stopover locations for Sydney to Hanoi flights?

    Flights departing from Sydney and landing in Hanoi stopover in Guangzhou least frequently. Hong Kong sees the next fewest stopovers on Sydney to Hanoi flights.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Sydney to Hanoi (average of $460). Flying from Sydney to Hanoi in December is currently the most expensive (average of $817). 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

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Fly from Sydney to Hanoi on these airlines

Choose from the following airlines for your flight from Sydney to Hanoi. Flights are based on user searches made on Cheapflights and were last updated on 30 April 2025.
Vietnam Airlines flights from Sydney Kingsford Smith to Hanoi Noibai
Singapore Airlines flights from Sydney Kingsford Smith to Hanoi Noibai
Scoot flights from Sydney Kingsford Smith to Hanoi Noibai

Top 10 airlines flying from Sydney to Hanoi

Discover the top 10 airlines that operate flights from Sydney to Hanoi. 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 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest$316Average$703FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
XiamenAirCheapest$498Average$1,204FlexibilityNo cancel feeOn-time49%
Search XiamenAir flights
VietJet AirCheapest$518Average$745FlexibilityNo cancel feeOn-timeN/A
Search VietJet Air flights
China SouthernCheapest$609Average$1,095FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest$687Average$1,274FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Vietnam AirlinesCheapest$703Average$896FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Philippine AirlinesCheapest$714Average$874FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights
FlexFlightCheapest$749Average$1,016FlexibilityNo cancel feeOn-timeN/A
Search FlexFlight flights
Malaysia AirlinesCheapest$751Average$873FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Singapore AirlinesCheapest$773Average$984FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

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How does Cheapflights help users find flights from Sydney to Hanoi?

Cheapflights makes it easy to find Sydney to Hanoi flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Sydney to Hanoi?

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Can Cheapflights find flights from Sydney to Hanoi with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Sydney to Hanoi flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Sydney to Hanoi become cheaper?

Yes! Start tracking prices for Sydney to Hanoi 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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