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$238+ 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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — HAN
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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1. Tell us where you want to go

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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 Wednesday

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 December 16, 2025.

This AirAsia deal was found by Cheapflights users on 12/14. 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 AirAsia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/159:50 pmSYD - HAN
1 stop14h 25mMultiple Airlines
Mon 1/52:50 pmHAN - SYD
1 stop25h 45mMultiple Airlines
Deal found 12/14$1,293
This VietJet Air deal was found by Cheapflights users on 12/16. 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 VietJet Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3011:15 amSYD - HAN
1 stop15h 20mVietJet Air
Sun 1/411:25 amHAN - SYD
1 stop16h 40mVietJet Air
Deal found 12/16$1,555
This AirAsia deal was found by Cheapflights users on 12/15. 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 AirAsia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2010:45 amSYD - HAN
1 stop25h 35mMultiple Airlines
Sun 1/112:50 pmHAN - SYD
1 stop25h 45mMultiple Airlines
Deal found 12/15$1,617
This Cathay Pacific deal was found by Cheapflights users on 12/14. 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.
Mon 12/153:15 pmSYD - HAN
1 stop31h 15mCathay Pacific
Mon 1/57:30 pmHAN - SYD
2 stops32h 30mCathay Pacific
Deal found 12/14$1,905
This Batik Air deal was found by Cheapflights users on 12/14. 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 Batik Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/157:15 amSYD - HAN
2 stops33h 15mBatik Air
Mon 1/51:30 pmHAN - SYD
2 stops36h 45mBatik Air
Deal found 12/14$2,011
This Cathay Pacific deal was found by Cheapflights users on 12/14. 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.
Sat 12/2010:20 pmSYD - HAN
1 stop15h 45mCathay Pacific
Sun 1/117:30 pmHAN - SYD
2 stops35h 55mCathay Pacific
Deal found 12/14$2,070
This Hahn Air Systems deal was found by Cheapflights users on 12/14. 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 Hahn Air Systems is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2811:15 amSYD - HAN
2 stops15h 30mMultiple Airlines
Mon 1/125:45 pmHAN - SYD
1 stop34h 20mMultiple Airlines
Deal found 12/14$3,426
This Batik Air deal was found by Cheapflights users on 12/15. 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 Batik Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/208:50 amSYD - HAN
2 stops31h 40mBatik Air
Sun 1/111:30 pmHAN - SYD
2 stops36h 45mBatik Air
Deal found 12/15$3,570
This Ethiopian Air deal was found by Cheapflights users on 12/16. 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 Ethiopian Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/224:35 pmSYD - HAN
3 stops48h 35mEthiopian Air
Sun 12/282:10 pmHAN - SYD
3 stops60h 25mEthiopian Air
Deal found 12/16$3,660

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 December 16, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$414
(Booking.com)

One-way from

$238
(Mytrip)

Popular in

December

Cheapest in

August

Average price

$1,026

Good one-way deal

$373 or less
Provider with most accurate pricing for Sydney Kingsford Smith-Hanoi Noibai flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Hanoi Noibai flights.
Search Deals
From Sydney Kingsford Smith to Hanoi Noibai
Search Deals
One-way flight from Sydney Kingsford Smith to Hanoi Noibai
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($194 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a one-way flight from Sydney Kingsford Smith to Hanoi Noibai.
Search Deals

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 December 16, 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 3/17

1:35 pm-8:35 am

1 stop23h 00m

Hanoi Noibai

Wed 7/15

12:55 pm-11:45 am

1 stop19h 50m

$414

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Tue 3/17

8:05 pm-11:10 pm

2 stops31h 05m

Hanoi Noibai

Wed 7/15

12:55 pm-11:45 am

1 stop19h 50m

$455

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Sun 2/1

1:35 pm-8:35 am

1 stop23h 00m

Hanoi Noibai

Mon 2/2

2:50 pm-8:35 pm

1 stop25h 45m

$598

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Sun 3/1

11:15 am-9:15 pm

1 stop14h 00m

Hanoi Noibai

Mon 5/25

10:35 am-7:20 am

2 stops17h 45m

$635

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Tue 5/12

10:15 am-12:50 am

2 stops17h 35m

Hanoi Noibai

Sat 5/16

10:35 am-7:20 am

2 stops17h 45m

$645

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Tue 3/10

11:35 am-10:05 am

2 stops26h 30m

Hanoi Noibai

Fri 3/13

11:05 am-8:50 pm

1 stop29h 45m

$707

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Thu 3/5

3:15 pm-10:05 am

1 stop22h 50m

Hanoi Noibai

Mon 3/9

7:30 pm-6:00 pm

2 stops18h 30m

$708

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Thu 3/5

3:15 pm-10:05 am

1 stop22h 50m

Hanoi Noibai

Thu 3/12

11:05 am-9:55 pm

2 stops30h 50m

$708

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Mon 3/2

3:15 pm-10:05 am

1 stop22h 50m

Hanoi Noibai

Fri 3/13

11:05 am-6:00 pm

2 stops26h 55m

$708

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Mon 3/2

3:15 pm-10:05 am

1 stop22h 50m

Hanoi Noibai

Wed 3/11

11:05 am-11:25 am

2 stops20h 20m

$708

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 24 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 December.
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 12, 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 $556). 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 December 16, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 47% on flights from Sydney to Hanoi by exploring options for tickets in the evening.

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 December 16, 2025.
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
215 reviews

Food

6.8

Entertainment

6.3

Boarding

7.6

Comfort

7.6

Overall

7.6

Crew

8.1

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
215 reviews
Vietnam Airlines
7.6
Good
215 reviews

Food

6.8

Entertainment

6.3

Boarding

7.6

Comfort

7.6

Overall

7.6

Crew

8.1

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
153 reviews
Vietnam Airlines
7.6
Good
215 reviews

Food

6.8

Entertainment

6.3

Boarding

7.6

Comfort

7.6

Overall

7.6

Crew

8.1

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 14h. Scoot provides one of the quickest options available for as low as $635. 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.

  • What are the cheapest flights from Sydney to Hanoi?

    Looking for the cheapest flight from Sydney to Hanoi? While on average our users pay $479, our data indicates the cheapest price to be $358. The most popular route (Sydney Kingsford Smith - Hanoi Noibai), is priced around $414.

  • 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 $556). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
VietJet AirCheapest$357Average$468FlexibilityNo cancel feeOn-timeN/A
Vietnam AirlinesCheapest$520Average$631FlexibilityNo cancel feeOn-time81%

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