Cheap flights from Sydney to Hanoi from $318

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 19/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — HAN
22 Jan — 29 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Sydney Kingsford Smith to Hanoi Noibai are usually found in August or March, booked 88 days in advance, depart on a Sunday or Thursday and return on a Thursday

Cheap flight deals from Sydney to Hanoi

Enter your travel dates to find the best prices.

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 23 December 2025.

Tue 30/1211:15SYD - HAN
1 stop14h 05mVietJet Air
Sat 3/111:40HAN - SYD
1 stop16h 25mVietJet Air
Deal found 21/12$1,356
Tue 30/1211:35SYD - HAN
2 stops36h 00mMultiple Airlines
Sat 3/122:45HAN - SYD
2 stops29h 20mMultiple Airlines
Deal found 21/12$1,359
Mon 29/1221:50SYD - HAN
1 stop20h 30mMultiple Airlines
Sun 4/108:55HAN - SYD
1 stop19h 10mMultiple Airlines
Deal found 22/12$1,370
Fri 26/1221:50SYD - HAN
1 stop21h 05mMultiple Airlines
Mon 29/1209:40HAN - SYD
1 stop22h 40mMultiple Airlines
Deal found 21/12$1,388
Tue 30/1221:50SYD - HAN
1 stop14h 30mMultiple Airlines
Sun 4/123:25HAN - SYD
1 stop28h 40mMultiple Airlines
Deal found 21/12$1,409
Wed 24/1220:20SYD - HAN
2 stops49h 00mMultiple Airlines
Sat 31/123:40HAN - SYD
1 stop31h 50mMultiple Airlines
Deal found 22/12$1,483
Fri 26/1221:25SYD - HAN
1 stop28h 35mSichuan Airlines
Fri 2/109:00HAN - SYD
1 stop25h 40mSichuan Airlines
Deal found 21/12$1,492
Tue 23/1218:00SYD - HAN
2 stops21h 10mMultiple Airlines
Fri 26/1214:00HAN - SYD
1 stop14h 05mMultiple Airlines
Deal found 21/12$1,493

Find 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 23 December 2025.

Round-trip from

$601

One-way from

$318

Popular in

December

Cheapest in

August

Average price

$1,548

Good round-trip deal

$937 or less

Good one-way deal

$543 or less
12/6-27/6
  • 12/6-27/6
  • 2 total stops
  • 55h 20m total
  • Sydney to Hanoi
VietJet Air
  • VietJet Air
  • 19/3
  • 1 total stop
  • 18h 15m total
  • Sydney to Hanoi
Highest demand for flights based on searches. 24% potential increase in price ($441 potential increase over avg. return price).
Cheapest flight prices on average. 7% potential price decrease ($91 potential savings vs. average return price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from Sydney Kingsford Smith to Hanoi Noibai.
Price to beat on a one-way flight from Sydney Kingsford Smith to Hanoi Noibai.

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 23 December 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

Tue 17/2

13:35-08:35

1 stop23h 00m

Hanoi Noibai

Thu 5/3

05:00-18:50

2 stops33h 50m

$691

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Tue 3/2

21:50-14:20

1 stop20h 30m

Hanoi Noibai

Tue 10/2

05:10-07:30

3 stops22h 20m

$715

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Mon 18/5

10:15-21:50

1 stop14h 35m

Hanoi Noibai

Thu 21/5

10:35-07:20

2 stops17h 45m

$760

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Tue 3/2

20:05-22:55

2 stops30h 50m

Hanoi Noibai

Thu 26/2

09:00-06:15

2 stops17h 15m

$805

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Mon 4/5

14:15-21:10

Nonstop9h 55m

Hanoi Noibai

Mon 11/5

06:35-07:20

1 stop21h 45m

$817

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Mon 18/5

14:15-21:10

Nonstop9h 55m

Hanoi Noibai

Thu 21/5

11:00-08:15

1 stop18h 15m

$843

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Wed 18/2

15:15-10:40

1 stop23h 25m

Hanoi Noibai

Sun 15/3

23:00-10:25

2 stops31h 25m

$905

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Tue 14/4

10:15-21:40

1 stop14h 25m

Hanoi Noibai

Tue 21/4

16:00-08:15

1 stop13h 15m

$980

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Mon 12/1

12:30-14:40

1 stop30h 10m

Hanoi Noibai

Sun 18/1

13:30-06:10

2 stops36h 40m

$1,052

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Thu 19/3

11:15-01:30

1 stop18h 15m

$318

Flights are sorted by cheapest return flights first.

Deals found on 21/12

Showing 1-10 of 21 results
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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 19 December 2025.

The best time to book flights from Sydney to Hanoi is 88 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, August is the cheapest month in which you can book a flight from Sydney to Hanoi (average of $410). Flying from Sydney to Hanoi in December is currently the most expensive (average of $837). 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 23 December 2025.

It’s typically best to fly out from Sydney to Hanoi in the evening. Doing so could potentially save you 29% 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 20 December 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. Friday at midday 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 Sydney to Hanoi?

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 23 December 2025.
Read through reviews of airlines operating flights from Sydney to Hanoi, such as Singapore Airlines, Cathay Pacific, andVietnam Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

8.0

Food

7.8

Boarding

8.3

Overall

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

Entertainment

8.0

Food

7.8

Boarding

8.3

Overall

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

Entertainment

8.0

Food

7.8

Boarding

8.3

Overall

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

Entertainment

8.0

Food

7.8

Boarding

8.3

Overall

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

Entertainment

8.0

Food

7.8

Boarding

8.3

Overall

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

Entertainment

8.0

Food

7.8

Boarding

8.3

Overall

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

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 30m for a nonstop flight. You can also purchase a plane ticket from 14 airlines when you book a flight from Kingsford Smith to Hanoi.

  • How popular is this Sydney to Hanoi flight route?

  • How long is the flight from Sydney to Hanoi?

    Airlines like VietJet Air fly from Sydney to Hanoi in about 14h 35m. The time it takes to get you to your destination can typically vary by up to . The distance from Sydney to Hanoi is about 7783 km.

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

    Scoot, at $293, was found to be the cheapest airline from Sydney to Hanoi.Alternate airlines to your destination round-trip include Philippine Airlines and VietJet Air. You may be able to fly from Sydney to Hanoi for 67% 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 ($263), Scoot ($274), and China Southern ($325).

  • 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: Cambodia Angkor Air (59%), Air France (58%), Vietnam Airlines (58%).

  • What are the cheapest flights from Sydney to Hanoi?

    On average you can expect to pay $1,825 for a flight from Sydney to Hanoi. The cheapest flight overall is $479 while the most popular route, (Sydney Kingsford Smith - Hanoi Noibai) is currently priced at $506.

  • Where are the most common stopover locations when 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, Saigon Square, or Saigon Notre-Dame Basilica. Travellers on a stopover Ho Chi Minh City can visit Ben Thanh Market, Saigon Square, and Saigon Notre-Dame Basilica, by traveling 6.6 km, 6.9 km, and 6.3 km, respectively after landing at Ho Chi Minh City.

  • Where are the least popular stopover locations for 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, August is the cheapest month in which you can book a flight from Sydney to Hanoi (average of $410). Flying from Sydney to Hanoi in December is currently the most expensive (average of $837). 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

Browse thousands of different options on Cheapflights for your next trip

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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 23 December 2025.

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 23 December 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest$321Average$611FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
VietJet AirCheapest$488Average$709FlexibilityNo cancel feeOn-timeN/A
Search VietJet Air flights
China SouthernCheapest$574Average$854FlexibilityNo cancel feeOn-time69%
Search China Southern flights
XiamenAirCheapest$615Average$983FlexibilityNo cancel feeOn-time49%
Search XiamenAir flights
China EasternCheapest$634Average$1,081FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Philippine AirlinesCheapest$646Average$936FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights
Malaysia AirlinesCheapest$676Average$1,178FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Vietnam AirlinesCheapest$696Average$894FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Singapore AirlinesCheapest$758Average$1,001FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Cathay PacificCheapest$905Average$1,306FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific 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 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?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Sydney to Hanoi for you. Better yet — we are completely free to use.

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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