Cheap flights from Bangkok to Sydney from $272
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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
Cheapflights Tip: The best prices from Bangkok to Sydney Kingsford Smith are usually found in December or August, booked 86 days in advance, depart on a Thursday or Monday and return on a Monday
Cheap flight deals from Bangkok to Sydney
Discover tips and strategies to find the most affordable flight options for your journey from Bangkok (TH1) to Sydney (SYD). 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 10 July 2025.
Round-trip from | $609 |
---|---|
One-way from | $272 |
Popular in | January |
Cheapest in | December |
Average price | $1,160 |
Find flight deals from Bangkok to Sydney
Cheapest flights from Bangkok to SydneyExplore the most affordable flight options available from Bangkok to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 July 2025.
Explore the most affordable flight options available from Bangkok to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Bangkok to Sydney 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 647,157 searches. Data last updated 10 July 2025.
Use the filters below to find and compare flights from Bangkok to Sydney that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
BangkokSydney
BKK - SYD
BKKSYD
Bangkok Suvarnabhumi
Thu 21/8
01:30-14:15
1 stop33h 45m
Sydney Kingsford Smith
Fri 29/8
12:50-19:25
1 stop33h 35m
BangkokSydney
DMK - SYD
DMKSYD
Bangkok Don Mueang Intl
Fri 24/10
16:30-12:35
2 stops16h 05m
Sydney Kingsford Smith
Sat 1/11
10:45-21:55
1 stop15h 10m
BangkokSydney
BKK - SYD
BKKSYD
Bangkok Suvarnabhumi
Mon 1/9
10:50-11:35
1 stop21h 45m
Sydney Kingsford Smith
Mon 22/9
12:50-08:05
1 stop22h 15m
BangkokSydney
BKK - SYD
BKKSYD
Bangkok Suvarnabhumi
Sun 7/12
02:10-09:25
1 stop27h 15m
Sydney Kingsford Smith
Sun 11/1
08:10-18:55
1 stop14h 45m
BangkokSydney
DMK - SYD
DMKSYD
Bangkok Don Mueang Intl
Fri 8/8
18:45-20:00
1 stop22h 15m
BangkokSydney
BKK - SYD
BKKSYD
Bangkok Suvarnabhumi
Mon 11/8
10:50-11:35
1 stop21h 45m
BangkokSydney
DMK - SYD
DMKSYD
Bangkok Don Mueang Intl
Sat 6/9
07:05-07:50
1 stop21h 45m
BangkokSydney
BKK - SYD
BKKSYD
Bangkok Suvarnabhumi
Mon 15/9
22:00-11:35
2 stops34h 35m
BangkokSydney
DMK - SYD
DMKSYD
Bangkok Don Mueang Intl
Fri 12/9
18:45-20:00
1 stop22h 15m
BangkokSydney
BKK - SYD
BKKSYD
Bangkok Suvarnabhumi
Tue 9/9
01:30-14:15
1 stop33h 45m
Best time to book a flight from Bangkok to Sydney
Have a flexible travel schedule? Discover the best time to fly to Sydney from Bangkok with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Bangkok to Sydney
How far ahead should I book a flight from Bangkok to Sydney?
Use this chart to determine the optimal time to book a return flight from Bangkok to Sydney. Price data was last updated on 27 June 2025.
To ensure you get the cheapest price possible for a flight from Bangkok to Sydney, you should look to book at least 86 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 Bangkok to Sydney?
Currently, May is the cheapest month in which you can book a flight from Bangkok to Sydney (average of $129). Flying from Bangkok to Sydney in October is currently the most expensive (average of $171). 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 BKK to SYD?
Find hourly flight availability from Bangkok to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 10 July 2025.
One of the essential ways to save on airfare from Bangkok to Sydney is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at midday could potentially save you up to 45% on airfare.
What is the cheapest day to fly from Bangkok to Sydney?
Use this chart to determine the cheapest time to fly return from Bangkok to Sydney. Price data was last updated on 6 July 2025.
Travellers seeking maximum savings on their Bangkok to Sydney flight should consider departing on Tuesday at midday when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Bangkok to Sydney
Explore weekly flight availability from Bangkok to Sydney. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 10 July 2025.
The most flights from TH1 to SYD are scheduled on a Monday (18 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (18 on average).
How much does it cost for a return flight from Bangkok to Sydney?
Reviews of airlines servicing Sydney
Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated 10 July 2025.
See what other customers who have flown with Hainan Airlines, China Southern, andThai AirAsia from Bangkok to Sydney have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Entertainment
Food
Crew
Overall
Comfort
Reviews
Anonymous,Mar 2025
CAN - PEK
Boarding
Entertainment
Food
Crew
Overall
Comfort
Reviews
Anonymous,Mar 2025
CAN - PEK
Boarding
Entertainment
Food
Crew
Overall
Comfort
Reviews
Anonymous,Mar 2025
CAN - PEK
Boarding
Entertainment
Food
Crew
Overall
Comfort
Reviews
Anonymous,Mar 2025
CAN - PEK
Boarding
Entertainment
Food
Crew
Overall
Comfort
Reviews
Anonymous,Mar 2025
CAN - PEK
Boarding
Entertainment
Food
Crew
Overall
Comfort
Reviews
Anonymous,Mar 2025
CAN - PEK
Related info for your journey
Find useful and relevant information for your journey from Bangkok to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Bangkok to Sydney
See prices for flight routes from nearby airports that may be better suited for you.
Top 8 airlines flying from Bangkok to Sydney
Discover the top 8 airlines that operate flights from Bangkok to Sydney. 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 647,157 searches. Data last updated 10 July 2025.
Fly with Cheapflights
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How does Cheapflights help users find flights from Bangkok to Sydney?
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Why should you use Cheapflights to find cheap flight tickets from Bangkok to Sydney?
Millions of users choose and trust Cheapflights to book the best flight deals from Bangkok to Sydney for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Can Cheapflights find flights from Bangkok to Sydney with no change fees?
Yes! Cheapflights helps users easily find flights from Bangkok to Sydney with no change fees.
Can Cheapflights notify me if prices for flights from Bangkok to Sydney become cheaper?
Not ready to book yet? You can track prices for flights from Bangkok to Sydney on Cheapflights with our Price Alert feature and get notified when better prices are available.