Cheap flights from Sydney to Vietnam from $242

The cheapest month to fly to Vietnam from Sydney is in August. Flight prices, which tend to average around $467, are often lower during this time because this is during the off-season. If you don’t want to visit Vietnam in August, then you should wait until May to fly from Sydney, when ticket prices are also cheap, with an average price of $470.

According to our data, Tuesday is the cheapest day to fly to Vietnam from Sydney. The lowest ticket price found for a Tuesday departure recently was $752. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Sydney to Vietnam for around $904.

In the afternoon is the cheapest time of day to fly from Sydney to Vietnam when you can find flight prices for as low as $454. Flying to Vietnam in the afternoon is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive, with an average ticket price of $834.

Fly from Sydney Kingsford Smith to Ho Chi Minh City for the best Sydney Kingsford Smith - Vietnam flight prices

You are more likely to see cheaper flights to Vietnam from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Vietnam for around $705 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Vietnam from Sydney for as low as $602 on momondo.

There are 4 cabin classes available to choose from on Sydney Kingsford Smith to Vietnam flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

VietJet Air, Vietnam Airlines and Jetstar are the top three most popular airlines that fly to Vietnam from Sydney according to our data. VietJet Air is the first choice among our users, with 50% of people opting to fly with this airline when travelling to Vietnam. Keep in mind that there are 19 different airlines that fly to Vietnam on a routine basis, so you have a few additional options to choose from.

Historically, on average around 31% of flights between Sydney and Vietnam have experienced a delay on any given week. The average delay length over the past 12 months has been 138 minutes.

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.

Sunday 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.

According to our data, Jetstar have had the fewest delays on this route over the last 12 months, with about 20% of their flights experiencing any sort of delay.

As of February 2026, 4 flights take off from Sydney and land in Vietnam each day. The most common flight departure time for this route is 11:00, with 70% of daily flights taking off at midday.

As of February 2026, there are 30 flights per week flying from Sydney to Vietnam. The most common day of the week flights depart is Tue, with 17% of flights taking off on this day.