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$188+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — HAN
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Sydney Kingsford Smith to Hanoi Noibai are usually found in August or March, booked 89 days in advance, depart on a Friday or Monday and return on a Wednesday

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 September 17, 2025.

Round-trip from

$359
(Booking.com)

One-way from

$188
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$538

Good round-trip deal

$458 or less

Good one-way deal

$356 or less
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. 22% potential increase in price ($171 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This Booking.com deal was found by Cheapflights users on 9/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2211:15 amSYD - HAN
1 stop15h 05mVietJet Air
Mon 10/2711:25 amHAN - SYD
1 stop16h 40mVietJet Air
Deal found 9/17$359
This Booking.com deal was found by Cheapflights users on 9/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3111:15 amSYD - HAN
1 stop13h 45mMultiple Airlines
Fri 11/79:40 amHAN - SYD
1 stop29h 10mMultiple Airlines
Deal found 9/16$365
This Mytrip deal was found by Cheapflights users on 9/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1511:15 amSYD - HAN
2 stops14h 50mVietJet Air
Fri 12/53:20 pmHAN - SYD
1 stop12h 45mVietJet Air
Deal found 9/17$368
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2711:15 amSYD - HAN
1 stop18h 15mVietJet Air
Thu 11/135:40 pmHAN - SYD
2 stops34h 25mVietJet Air
Deal found 9/16$375
This Mytrip deal was found by Cheapflights users on 9/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2211:15 amSYD - HAN
1 stop15h 05mMultiple Airlines
Mon 10/2710:05 amHAN - SYD
2 stops23h 00mMultiple Airlines
Deal found 9/17$384
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1511:15 amSYD - HAN
1 stop13h 40mMultiple Airlines
Wed 10/2211:45 pmHAN - SYD
1 stop32h 40mMultiple Airlines
Deal found 9/17$388
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/278:05 pmSYD - HAN
2 stops26h 50mMultiple Airlines
Thu 11/135:40 pmHAN - SYD
2 stops34h 25mMultiple Airlines
Deal found 9/16$416
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1511:15 amSYD - HAN
1 stop15h 10mVietJet Air
Sat 11/2211:40 pmHAN - SYD
1 stop28h 25mVietJet Air
Deal found 9/17$418

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 September 17, 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 10/28

11:35 am-1:45 am

1 stop18h 10m

Hanoi Noibai

Thu 11/6

2:50 am-9:50 am

1 stop27h 00m

$611

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Tue 10/14

11:15 am-10:10 pm

1 stop14h 55m

Hanoi Noibai

Wed 10/22

7:10 pm-8:20 am

2 stops33h 10m

$613

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Sat 11/1

11:15 am-10:25 pm

1 stop15h 10m

Hanoi Noibai

Sat 11/8

7:15 pm-8:05 am

2 stops32h 50m

$614

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Mon 10/13

11:15 am-10:10 pm

1 stop14h 55m

Hanoi Noibai

Sat 10/25

11:10 pm-8:20 am

1 stop29h 10m

$629

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Wed 10/15

11:15 am-10:10 pm

1 stop14h 55m

Hanoi Noibai

Tue 10/21

10:15 am-8:20 am

1 stop18h 05m

$637

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Fri 10/17

11:15 am-1:10 am

2 stops17h 55m

Hanoi Noibai

Sun 10/26

11:25 pm-8:05 am

1 stop28h 40m

$658

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Fri 10/17

11:15 am-1:10 am

2 stops17h 55m

Hanoi Noibai

Sat 10/25

11:10 pm-8:20 am

1 stop29h 10m

$658

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Mon 10/13

11:15 am-12:35 am

2 stops17h 20m

Hanoi Noibai

Tue 10/21

9:15 am-8:20 am

1 stop19h 05m

$659

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Fri 10/10

11:15 am-12:35 am

2 stops17h 20m

Hanoi Noibai

Tue 10/21

10:15 am-8:20 am

1 stop18h 05m

$666

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Tue 10/28

11:15 am-1:30 am

1 stop18h 15m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 20 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 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 September 12, 2025.

To ensure you get the cheapest price possible for a flight from Sydney to Hanoi, you should look to book at least 89 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, September is the cheapest month in which you can book a flight from Sydney to Hanoi (average of $862). Flying from Sydney to Hanoi in December is currently the most expensive (average of $1,597). 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 September 17, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 50% on flights from Sydney to Hanoi by exploring options for tickets in the evening.

How much does it cost to fly round-trip 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 September 17, 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
201 reviews

Comfort

7.6

Crew

8.1

Food

6.8

Overall

7.6

Entertainment

6.3

Boarding

7.5

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
201 reviews
Vietnam Airlines
7.6
Good
201 reviews

Comfort

7.6

Crew

8.1

Food

6.8

Overall

7.6

Entertainment

6.3

Boarding

7.5

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
147 reviews
Vietnam Airlines
7.6
Good
201 reviews

Comfort

7.6

Crew

8.1

Food

6.8

Overall

7.6

Entertainment

6.3

Boarding

7.5

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 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 31h 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 11 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 55m. Philippine Airlines provides one of the quickest options available for as low as $613. 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 39% below the average price you’ll pay for this route.

  • 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 Air France (70%), Vietnam Airlines (70%) or Cambodia Angkor Air (70%) 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 $507, our data indicates the cheapest price to be $298. The most popular route (Sydney Kingsford Smith - Hanoi Noibai), is priced around $919.

  • 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, September is the cheapest month in which you can book a flight from Sydney to Hanoi (average of $862). Flying from Sydney to Hanoi in December is currently the most expensive (average of $1,597). 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
VietJet AirCheapest$357Average$483FlexibilityNo cancel feeOn-timeN/A
Vietnam AirlinesCheapest$520Average$631FlexibilityNo cancel feeOn-time81%

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