Question 1

Which stopover airport has the shortest travel time from Sydney to Hanoi?

Accepted Answer

Flights connecting via Bangkok (BKK) have the shortest average one-way travel time: 13h 20m.

Question 2

Which airlines fly to Hanoi?

Accepted Answer

Vietnam Airlines, VietJet Air and China Southern are the top three most popular airlines that fly to Hanoi from Sydney according to our data. Vietnam Airlines is the first choice among our users, with 42% of people opting to fly with this airline when travelling to Hanoi. Keep in mind that there are 14 different airlines that fly to Hanoi on a routine basis, so you have a few additional options to choose from.

Question 3

What cabin class options are available on Sydney Kingsford Smith to Hanoi Noibai flights?

Accepted Answer

There are 3 cabin classes available to choose from on Sydney Kingsford Smith to Hanoi Noibai flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 4

What is the cheapest month to fly to Hanoi?

Accepted Answer

The cheapest month to fly to Hanoi from Sydney is in August. Flight prices, which tend to average around $704, are often lower during this time because this is during the off-season. If you aren’t able to travel to Hanoi during the month of August, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $730.

Question 5

How often are flights from Sydney to Hanoi delayed?

Accepted Answer

Historically, on average around 17% of flights between Sydney and Hanoi have experienced a delay on any given week. The average delay length over the past 12 months has been 204 minutes.

Question 6

Which stopover airport offers the lowest fares from Sydney to Hanoi?

Accepted Answer

Flights via Taipei City (TPE) offer the lowest average return price of $999.

Question 7

Which airport is the most popular for stopovers for flights between Sydney and Hanoi?

Accepted Answer

Ho Chi Minh City (SGN) was the most common stop: 41% of momondo users choosing one-stop flights on this route connected there.

Question 8

Which airline has the best punctuality record on Sydney to Hanoi flights?

Accepted Answer

According to our data, Vietnam Airlines have had the fewest delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

Question 9

What is the cheapest Sydney Kingsford Smith to Hanoi Noibai flight route?

Accepted Answer

Fly from Sydney Kingsford Smith to Hanoi Noibai for the best Sydney Kingsford Smith - Hanoi Noibai flight prices

Question 10

How many flights depart from Sydney to Hanoi on average per day?

Accepted Answer

The number of flights available between Sydney and Hanoi is 1 per day as of December 2025. The most frequent departure time is 15:00, with 100% of daily flights leaving in the afternoon.

Question 11

What is the typical price of a round-trip flight between Sydney and Hanoi?

Accepted Answer

Prices are currently low for flights on this route.Typical prices usually range from $1,119 to $1,615.
The lowest price recently found on this route was $595.

Question 12

What is the cheapest airline that flies from Sydney Kingsford Smith to Hanoi Noibai?

Accepted Answer

VietJet Air and Scoot are the most popular carriers operating from Sydney Kingsford Smith to Hanoi Noibai

Question 13

What is the cheapest time of day to depart on your flight to Hanoi?

Accepted Answer

According to our data, the cheapest time of day to fly to Hanoi is in the evening. momondo users have found flights departing from Sydney to Hanoi in the evening for as low as $722. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive, with an average ticket price of $1,019.

Question 14

How many flights depart from Sydney to Hanoi on average per week?

Accepted Answer

9 flights are operational weekly from Sydney to Hanoi as of December 2025. The most popular departure day for this route is Mon, with 33% of flights per week taking off on this day.

Question 15

How have Sydney to Hanoi flight prices changed over time?

Accepted Answer

As of December 2025, prices for Sydney to Hanoi flights are approximately 8% more expensive when compared to flights at the same time last year.

Question 16

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Question 17

How far in advance should I book a flight to Hanoi?

Accepted Answer

You are more likely to see cheaper flights to Hanoi from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Hanoi for around $893 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Hanoi from Sydney for as low as $784 on momondo.

Question 18

Can stopping save me money on Sydney to Hanoi flights?

Accepted Answer

No. A direct flight is the cheapest option for a flight between Sydney to Hanoi.

Question 19

What is the most punctual flight time for Sydney to Hanoi flights?

Accepted Answer

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Question 20

Which stopover airport has the shortest connection time from Sydney to Hanoi?

Accepted Answer

Taipei City (TPE) has the shortest average stopover time for this route: 2h 18m.

Question 21

What is the cheapest day to depart on your flight to Hanoi?

Accepted Answer

The cheapest day to depart from Sydney to Hanoi is on a Sunday. Travellers who choose to depart for Hanoi on a Sunday will often find tickets for as low as $845. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Sydney to Hanoi for around $1,090.

Question 22

When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Hanoi Noibai Airport?

Accepted Answer

Prices for flights from Sydney Kingsford Smith Airport to Hanoi Noibai Airport are updated daily.

Question 23

How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Hanoi Noibai Airport?

Accepted Answer

There are 14 operators available for flights from Sydney Kingsford Smith Airport to Hanoi Noibai Airport as of December 2025.

Question 24

How old do you have to be to fly from Sydney Kingsford Smith Airport to Hanoi Noibai Airport?

Accepted Answer

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Sydney Kingsford Smith Airport to Hanoi Noibai Airport.

Question 25

What documentation or ID do you need to fly to Hanoi Noibai Airport?

Accepted Answer

The travel and health documents required for your trip to Hanoi Noibai Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Hanoi Noibai Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best price found	$537
Fastest flight time	9h 30m
Direct flights	Tue, Thu and Sun
Airports in Hanoi	1 airport

Airline	Rating	Free cancellation	Price
Scoot	PriceFrom $318	Free cancellation	Rating 6.7 313 reviews	Search Scoot flights
VietJet Air	PriceFrom $483	Free cancellation	Rating 5.6 153 reviews	Search VietJet Air flights
China Southern	PriceFrom $568	Free cancellation	Rating 7.5 123 reviews	Search China Southern flights
XiamenAir	PriceFrom $609	Free cancellation	Rating 6.6 41 reviews	Search XiamenAir flights
China Eastern	PriceFrom $628	Free cancellation	Rating 7.2 181 reviews	Search China Eastern flights
Philippine Airlines	PriceFrom $640	Free cancellation	Rating 7.3 943 reviews	Search Philippine Airlines flights
Malaysia Airlines	PriceFrom $669	Free cancellation	Rating 7.3 286 reviews	Search Malaysia Airlines flights
Vietnam Airlines	PriceFrom $690	Free cancellation	Rating 7.6 216 reviews	Search Vietnam Airlines flights
Singapore Airlines	PriceFrom $750	Free cancellation	Rating 8.1 1,419 reviews	Search Singapore Airlines flights
Cathay Pacific	PriceFrom $896	Free cancellation	Rating 7.6 1,105 reviews	Search Cathay Pacific flights

Cheap flights from Sydney to Hanoi from $315

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Hanoi departing on 19/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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