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$208+ Cheap flights from Sydney (SYD) to Hanoi (HAN)

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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — HAN
Jan 31 — Feb 71
Sat 1/31
Sat 2/7
1 adult, Economy
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3. Compare prices and book

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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 Wednesday or Friday and return on a Tuesday

Cheap 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 January 1, 2026.

This Cathay Pacific deal was found by Cheapflights users on 12/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:00 pmSYD - HAN
2 stops23h 05mCathay Pacific
Thu 1/17:30 pmHAN - SYD
2 stops32h 30mCathay Pacific
Deal found 12/29$1,606

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 January 1, 2026.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$401
(VietJet Air)

One-way from

$208
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$845
Provider with most accurate pricing for Sydney Kingsford Smith-Hanoi Noibai flight deals.
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Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Hanoi Noibai flights.
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From Sydney Kingsford Smith to Hanoi Noibai
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One-way flight from Sydney Kingsford Smith to Hanoi Noibai
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Highest demand for flights based on searches. 24% potential increase in price ($195 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated January 1, 2026.
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

Sun 5/17

10:15 am-12:20 am

1 stop17h 05m

Hanoi Noibai

Thu 5/21

5:40 am-7:20 am

2 stops22h 40m

$401

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Wed 2/11

9:25 pm-10:00 pm

1 stop28h 35m

Hanoi Noibai

Mon 3/9

9:00 am-2:40 pm

1 stop25h 40m

$568

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Thu 2/12

9:25 pm-10:00 pm

1 stop28h 35m

Hanoi Noibai

Wed 3/11

9:00 am-2:40 pm

1 stop25h 40m

$568

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Sat 4/11

10:15 am-10:35 pm

1 stop15h 20m

Hanoi Noibai

Sat 4/18

9:40 pm-7:20 am

1 stop30h 40m

$577

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Fri 2/6

11:15 am-7:05 am

2 stops23h 50m

Hanoi Noibai

Tue 3/10

10:05 am-8:05 am

1 stop18h 00m

$615

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Sun 1/25

9:25 pm-10:00 pm

1 stop28h 35m

Hanoi Noibai

Mon 2/16

9:00 am-2:40 pm

1 stop25h 40m

$631

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Sun 1/25

11:15 am-12:55 am

1 stop17h 40m

Hanoi Noibai

Tue 2/17

12:40 pm-8:05 am

1 stop15h 25m

$643

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Mon 2/9

11:15 am-7:05 am

2 stops23h 50m

Hanoi Noibai

Sun 3/15

6:40 am-8:05 am

1 stop21h 25m

$669

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Sun 2/8

11:15 am-7:05 am

2 stops23h 50m

Hanoi Noibai

Mon 3/9

11:40 pm-8:05 am

1 stop28h 25m

$677

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Mon 1/19

11:15 am-9:20 pm

1 stop14h 05m

Hanoi Noibai

Wed 2/18

8:55 am-8:05 am

1 stop19h 10m

$680

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/31

Showing 1-10 of 22 results
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Compare providers for flights from Sydney to Hanoi

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sydney to Hanoi in January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
MytripPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Sydney-Hanoi flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Sydney-Hanoi flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Sydney-Hanoi flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sydney-Hanoi flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sydney-Hanoi flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 round-trip flight from Sydney to Hanoi. Price data was last updated on December 26, 2025.

To ensure you get the cheapest price possible for a flight from Sydney to Hanoi, you should look to book at least 88 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 $272). Flying from Sydney to Hanoi in December is currently the most expensive (average of $552). 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 January 1, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sydney to Hanoi as you normally would.

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 January 1, 2026.
Get a feel of what it's like to fly with Vietnam Airlines and VietJet Air from Sydney to Hanoi 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
217 reviews

Overall

7.6

Boarding

7.6

Comfort

7.6

Crew

8.1

Food

6.8

Entertainment

6.3

Reviews

1 / 15
8.0
Excellent

Stephen,Nov 2025

SYD - SGN

I really liked it. It’s very good value for money.
Vietnam Airlines
7.6
Good
217 reviews
Vietnam Airlines
7.6
Good
217 reviews

Overall

7.6

Boarding

7.6

Comfort

7.6

Crew

8.1

Food

6.8

Entertainment

6.3

Reviews

1 / 15
8.0
Excellent

Stephen,Nov 2025

SYD - SGN

I really liked it. It’s very good value for money.
VietJet Air
5.6
Fair
155 reviews
Vietnam Airlines
7.6
Good
217 reviews

Overall

7.6

Boarding

7.6

Comfort

7.6

Crew

8.1

Food

6.8

Entertainment

6.3

Reviews

1 / 15
8.0
Excellent

Stephen,Nov 2025

SYD - SGN

I really liked it. It’s very good value for money.

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 2 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 times in the past calendar month.

  • How long is the flight from Sydney to Hanoi?

    A quick flight from Sydney to Hanoi can take about 17h 05m. VietJet Air provides one of the quickest options available for as low as $401. The distance from Sydney to Hanoi is about 4836 mi. This flight may include one or multiple stops.

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

    Our cheapest airline available from Sydney to Hanoi is VietJet Air. Our recent data shows that you can find tickets from as low as $357 on this airline. An additional option worth looking into is Vietnam Airlines, starting at $520. VietJet Air is currently priced 40% below the average price you’ll pay for this route.

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

    $182 is the cheapest one-way deal found within the past few days, from VietJet Air. You may also be able to find cheap deals on Vietnam Airlines and Hahn Air Systems, with prices starting from $297 and $390, respectively.

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

    No one likes to see their flight delayed. When booking a flight from Sydney to Hanoi consider choosing Cambodia Angkor Air (59%), Air France (58%) or Vietnam Airlines (58%) as they are the most reliable in getting you off to your destination on time.

  • 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 vacation 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 $272). Flying from Sydney to Hanoi in December is currently the most expensive (average of $552). 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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Alternative routes for Sydney to Hanoi

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

Top 2 airlines flying from Sydney to Hanoi

Discover the top 2 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 2,558,603 searches. Data last updated January 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
VietJet AirCheapest$357Average$468FlexibilityNo cancel feeOn-timeN/A
Vietnam AirlinesCheapest$520Average$643FlexibilityNo cancel feeOn-time81%

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