Cheap flights from Australia to Southeast Asia

SYD — BKK
10 Apr — 17 Apr1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Australia to Southeast Asia

Keep the following information in mind while searching for Australia to Southeast Asia flight deals. Data was last updated 11 March 2026.

Popular in

December

Cheapest in

October

Average price

₹ 58,633
Highest demand for flights based on searches. 13% potential increase in price (₹ 933,933 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (₹ 213,452 potential savings vs. average return price).
Average for round-trip flights in March 2026

Cheapflights Insights

Everything you need to know about your flight from Australia to Southeast Asia

What is the cheapest month to book a flight from Australia to Southeast Asia?

Currently, May is the cheapest month in which you can book a flight from Australia to Southeast Asia (average of ₹ 9,374). Flying from Australia to Southeast Asia in April is currently the most expensive (average of ₹ 18,472). 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 AU to YJX?

Find hourly flight availability from Australia to Southeast Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 March 2026.

A simple way to save on the total cost of your ticket is to fly from Australia to Southeast Asia in the evening. If you’re flexible enough to do this you can expect to save up to 22% on your trip compared to booking a flight at midday.

What is the cheapest day to fly from Australia to Southeast Asia?

Use this chart to determine the cheapest time to fly return from Australia to Southeast Asia. Price data was last updated on 2 November 2025.

Travellers seeking maximum savings on their Australia to Southeast Asia flight should consider departing on Monday mornings when fares are most often at their lowest. Saturday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Southeast Asia

Get insights into the airlines that provide service to Southeast Asia. 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 Southeast Asia. Reviews last updated 11 March 2026.
Read reviews from past customers who have flown with Virgin Australia,Indonesia AirAsia, andJetstar from Australia to Southeast Asia. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

7.7

Entertainment

6.4

Overall

7.6

Crew

8.2

Food

6.4

Comfort

7.5

Reviews

1 / 20
8.0
Excellent

Elio,Jan 2026

MEL - ADL

Starting to be as efficient as qantas… bar the food offerings Virgin is up there now

Boarding

7.7

Entertainment

6.4

Overall

7.6

Crew

8.2

Food

6.4

Comfort

7.5

Reviews

1 / 20
8.0
Excellent

Elio,Jan 2026

MEL - ADL

Starting to be as efficient as qantas… bar the food offerings Virgin is up there now

Boarding

7.7

Entertainment

6.4

Overall

7.6

Crew

8.2

Food

6.4

Comfort

7.5

Reviews

1 / 20
8.0
Excellent

Elio,Jan 2026

MEL - ADL

Starting to be as efficient as qantas… bar the food offerings Virgin is up there now

Boarding

7.7

Entertainment

6.4

Overall

7.6

Crew

8.2

Food

6.4

Comfort

7.5

Reviews

1 / 20
8.0
Excellent

Elio,Jan 2026

MEL - ADL

Starting to be as efficient as qantas… bar the food offerings Virgin is up there now

Boarding

7.7

Entertainment

6.4

Overall

7.6

Crew

8.2

Food

6.4

Comfort

7.5

Reviews

1 / 20
8.0
Excellent

Elio,Jan 2026

MEL - ADL

Starting to be as efficient as qantas… bar the food offerings Virgin is up there now

Boarding

7.7

Entertainment

6.4

Overall

7.6

Crew

8.2

Food

6.4

Comfort

7.5

Reviews

1 / 20
8.0
Excellent

Elio,Jan 2026

MEL - ADL

Starting to be as efficient as qantas… bar the food offerings Virgin is up there now

Related info for your journey

Find useful and relevant information for your journey from Australia to Southeast Asia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines to fly from Australia to Southeast Asia one-way?

    To fly one-way, consider booking your trip with VietJet Air, which is currently one of the cheapest options available, starting at ₹ 11,129. Indonesia AirAsia flights start at ₹ 11,669 while deals on Scoot start at ₹ 11,893 one-way.

  • Can I find deals for flights from Australia to Southeast Asia that include hotel bookings?

    Yes. In addition to deals on Australia to Southeast Asia flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Australia to Southeast Asia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Australia to Southeast Asia.

  • Can I find deals for business class flights from Australia to Southeast Asia?

    Yes. Cheapflights offers flight deals from Australia to Southeast Asia 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 Australia to Southeast Asia?

    Currently, May is the cheapest month in which you can book a flight from Australia to Southeast Asia (average of ₹ 9,374). Flying from Australia to Southeast Asia in April is currently the most expensive (average of ₹ 18,472). 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

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Alternative routes for Australia to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Australia to Southeast Asia

Discover the top 2 airlines that operate flights from Australia to Southeast Asia. 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 454,620 searches. Data last updated 11 March 2026.
AirlineCheapestAverageFlexibilityOn-time
VietJet AirCheapest₹ 14,837Average₹ 26,682FlexibilityNo cancel feeOn-timeN/A
Search VietJet Air flights
ScootCheapest₹ 28,753Average₹ 31,778FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights

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How does Cheapflights help users find flights from Australia to Southeast Asia?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Australia to Southeast Asia. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Australia to Southeast Asia?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Australia to Southeast Asia for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Australia to Southeast Asia with no change fees?

Yes, we can. To see specific flights from Australia to Southeast Asia with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Australia to Southeast Asia become cheaper?

Not ready to book yet? You can track prices for flights from Australia to Southeast Asia on Cheapflights with our Price Alert feature and get notified when better prices are available.

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