Cheap flights from Sydney to Bangkok from $268

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 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BKK
10 Mar — 17 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Sydney Kingsford Smith to Bangkok are usually found in October or May, booked 58 days in advance, depart on a Wednesday or Monday and return on a Sunday

Cheap flight deals from Sydney to Bangkok

Enter your travel dates to find the best prices.

Cheapest flights from Sydney to Bangkok
Explore the most affordable flight options available from Sydney to Bangkok. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 February 2026.

Thu 5/309:20
SYD
-
BKK
1 stop20h 20m
China Southern
Thu 12/319:55
BKK
-
SYD
1 stop20h 25m
China Southern
Deal found 5/2$540
Mon 27/720:35
SYD
-
BKK
1 stop14h 30m
Scoot
Mon 17/822:55
BKK
-
SYD
1 stop17h 25m
Scoot
Deal found 4/2$541
Tue 10/321:50
SYD
-
DMK
1 stop14h 00m
Multiple Airlines
Tue 31/321:30
DMK
-
SYD
1 stop19h 05m
Multiple Airlines
Deal found 6/2$541
Thu 9/421:00
SYD
-
BKK
1 stop24h 15m
Hainan Airlines
Wed 29/411:05
BKK
-
SYD
1 stop24h 00m
Hainan Airlines
Deal found 8/2$544
Mon 9/221:50
SYD
-
DMK
1 stop14h 00m
Multiple Airlines
Tue 24/219:40
DMK
-
SYD
1 stop20h 55m
Multiple Airlines
Deal found 6/2$544
Tue 28/420:50
SYD
-
DMK
1 stop18h 45m
Multiple Airlines
Mon 11/521:30
DMK
-
SYD
1 stop19h 05m
Multiple Airlines
Deal found 7/2$546
Wed 25/320:05
SYD
-
BKK
1 stop16h 10m
Scoot
Wed 1/420:35
BKK
-
SYD
1 stop12h 10m
Scoot
Deal found 8/2$547
Mon 9/221:50
SYD
-
DMK
1 stop15h 30m
Multiple Airlines
Mon 16/321:25
DMK
-
SYD
1 stop19h 10m
Multiple Airlines
Deal found 5/2$547
Sat 16/513:00
SYD
-
BKK
1 stop28h 25m
Scoot
Sat 30/509:05
BKK
-
SYD
1 stop23h 40m
Scoot
Deal found 8/2$549
Fri 20/210:45
SYD
-
DMK
1 stop26h 35m
Multiple Airlines
Tue 24/221:25
DMK
-
SYD
1 stop19h 10m
Multiple Airlines
Deal found 6/2$549
Fri 5/609:45
SYD
-
DMK
1 stop25h 05m
Multiple Airlines
Sun 28/620:20
DMK
-
SYD
1 stop20h 15m
Multiple Airlines
Deal found 7/2$551
Wed 4/320:05
SYD
-
BKK
1 stop16h 10m
Scoot
Tue 17/322:55
BKK
-
SYD
1 stop15h 55m
Scoot
Deal found 7/2$553

Find flight deals from Sydney to Bangkok

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Bangkok (TH1). 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 8 February 2026.

Round-trip from

$540

One-way from

$268

Popular in

December

Cheapest in

October

Average price

$932
China Southern
  • China Southern
  • 5/3-12/3
  • 2 total stops
  • 40h 45m total
  • Sydney to Bangkok
Scoot
  • Scoot
  • 1/3
  • 1 total stop
  • 18h 45m total
  • Sydney to Bangkok
Highest demand for flights based on searches. 14% potential increase in price ($227 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($51 potential savings vs. average return price).
Average for round-trip flights in February 2026

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sydney to Bangkok 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 8 February 2026.
Use the filters below to find and compare flights from Sydney to Bangkok that are best for you.

Fly from

Sydney

Fly to

Bangkok

Route

Depart

Return

Price

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Sun 3/5

20:50-07:50

1 stop14h 00m

Bangkok Don Mueang Intl

Sat 16/5

13:10-08:20

1 stop16h 10m

$544

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Sat 28/2

10:45-19:10

1 stop12h 25m

Bangkok Don Mueang Intl

Tue 3/3

19:40-20:35

1 stop20h 55m

$544

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Sat 21/2

10:45-20:45

1 stop14h 00m

Bangkok Don Mueang Intl

Sat 28/2

16:50-09:15

1 stop12h 25m

$544

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Tue 21/7

20:50-09:30

1 stop15h 40m

Bangkok Don Mueang Intl

Tue 18/8

21:30-19:35

1 stop19h 05m

$544

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Fri 20/2

10:45-19:10

1 stop12h 25m

Bangkok Don Mueang Intl

Thu 5/3

13:25-09:15

1 stop15h 50m

$544

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Tue 5/5

20:50-12:00

1 stop18h 10m

Bangkok Don Mueang Intl

Tue 19/5

18:35-19:35

1 stop22h 00m

$547

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Fri 5/6

09:45-07:50

1 stop25h 05m

Bangkok Don Mueang Intl

Sun 28/6

20:20-19:35

1 stop20h 15m

$551

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Mon 16/3

21:50-11:35

1 stop17h 45m

Bangkok Don Mueang Intl

Thu 2/4

13:10-09:20

1 stop16h 10m

$556

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Sat 28/2

13:30-20:10

2 stops34h 40m

Bangkok Suvarnabhumi

Sat 7/3

09:25-13:35

1 stop24h 10m

$799

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Wed 18/2

12:00-01:55

1 stop17h 55m

Bangkok Suvarnabhumi

Thu 26/2

21:05-06:30

2 stops29h 25m

$802

Flights are sorted by cheapest return flights first.

Deals found on 4/2

Showing 1-10 of 34 results
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Best time to book a flight from Sydney to Bangkok

Have a flexible travel schedule? Discover the best time to fly to Bangkok from Sydney with our price prediction graph.
Estimated return 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 Bangkok

How far ahead should I book a flight from Sydney to Bangkok?

Use this chart to determine the optimal time to book a return flight from Sydney to Bangkok. Price data was last updated on 30 January 2026.

Booking 58 days in advance of your planned departure date is, on average, the best time to get cheap flights from Sydney to Bangkok. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Sydney to Bangkok?

Currently, May is the cheapest month in which you can book a flight from Sydney to Bangkok (average of $416). Flying from Sydney to Bangkok in December is currently the most expensive (average of $799). 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 BKK?

Find hourly flight availability from Sydney to Bangkok. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 8 February 2026.

It’s optimal to fly from Sydney to Bangkok in the afternoon. By choosing this option you can save up to 17% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Sydney to Bangkok?

Use this chart to determine the cheapest time to fly return from Sydney to Bangkok. Price data was last updated on 7 February 2026.

Travellers seeking maximum savings on their Sydney to Bangkok flight should consider departing on Thursday mornings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Sydney to Bangkok

Explore weekly flight availability from Sydney to Bangkok. 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 8 February 2026.

The most flights from SYD to TH1 are scheduled on a Monday (17 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (17 on average).

How much does it cost for a return flight from Sydney to Bangkok?

How often are flights from Sydney to Bangkok delayed?

About 15% of weekly flights between Sydney and Bangkok have experienced delays in the past year, with the average delay time being 101 minutes.

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

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

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

Sunday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

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

Over the past year, Thai Airways have had the lowest number of delays on this route, with just 10% of flights being delayed.

Reviews of airlines servicing Bangkok

Get insights into the airlines that provide service to Bangkok. 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 Bangkok. Reviews last updated 8 February 2026.
Read through reviews of airlines operating flights from Sydney to Bangkok, such as Singapore Airlines, Thai Airways, andQantas Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.2

Entertainment

8.0

Crew

8.6

Comfort

8.0

Boarding

8.3

Food

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Overall

8.2

Entertainment

8.0

Crew

8.6

Comfort

8.0

Boarding

8.3

Food

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Overall

8.2

Entertainment

8.0

Crew

8.6

Comfort

8.0

Boarding

8.3

Food

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Overall

8.2

Entertainment

8.0

Crew

8.6

Comfort

8.0

Boarding

8.3

Food

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Overall

8.2

Entertainment

8.0

Crew

8.6

Comfort

8.0

Boarding

8.3

Food

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Overall

8.2

Entertainment

8.0

Crew

8.6

Comfort

8.0

Boarding

8.3

Food

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Related info for your journey

Find useful and relevant information for your journey from Sydney to Bangkok. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airports serve Sydney to Bangkok?

    If you’re planning a holiday or business trip to Bangkok from Sydney, you’ll depart from Sydney Kingsford Smith Airport (SYD). It’s not too far away from the central business district, lying in the suburb of Mascot. It will only take about 15min by car to get to the airport; otherwise, you can hop on the N20 bus, which will make the 8 km trip to the airport in about 30min. The airport is one of Australia’s main air transport hubs, making it a busy international airport with all the amenities of one. You’ll land in Bangkok at Suvarnabhumi Airport (BKK), the main international airport in the city and one of the largest airports in Southeast Asia. It’s about 30 km from the city centre and will take roughly half an hour by car on Route 7. A convenient option is to take the Airport Rail Link directly from the airport, which will reach the city centre in around 35min.

  • Which airlines fly directly from Sydney to Bangkok?

    Unfortunately, you won’t be able to fly directly from Sydney to Bangkok, most flights will have one layover. The most prolific airline carrier that operates flights between the two cities is Singapore Airlines, which has a layover at Singapore Changi International Airport (SIN). Qantas and the budget airlines Jetstar and Scoot also offer regular flights between the cities, and these are usually two-stop routes, involving changeovers once in Australia and then again in Singapore.

  • What are the layover options between Sydney to Bangkok?

    Because all flights to Bangkok from Sydney require at least one layover, these flights are also the ones that offer the best value for money. The one-stop flights are also generally cheaper than those that layover in two places on the way. Given that situation, look for the flights that offer the shortest overall travel time to get to Bangkok most efficiently. These are run by Singapore Airlines and make a roughly 1h 45min stop in Singapore, taking around 12h 30min for the entire trip. Others have layovers that can last up to almost 12h, making for a total travel time approaching 23h. Two-stop flights usually go via Melbourne Airport (MEL) and on to Singapore Changi before landing in Bangkok.

  • Do I need a passport or visa to fly from Sydney to Bangkok?

    When flying from Sydney to Bangkok, you’ll need to make sure that your passport is valid for a minimum of six months from when you enter Thailand. There are different requirements for Australian travellers, depending on your reason for visiting the country. Tourists can stay for up to 30 days in Thailand without needing a visa, as long as you enter by air and have a return ticket. Business travellers will need a visa, however. This allows for a single entry and a stay of 30 days, maximum.

  • What airport do you fly from for flights from Sydney to Bangkok?

    Sydney Kingsford Smith (SYD), located 7.5 km from the city centre, is the airport you fly out of when you book flights from Sydney to Bangkok. 21 airlines have flights from Kingsford Smith to Bangkok on a regular basis. Booking flights from Sydney Kingsford Smith to Bangkok should not be difficult; the airport handles an average of 17 outbound flights to Bangkok per day.

  • How long is the flight from Sydney to Bangkok?

    A quick flight from Sydney to Bangkok can take about 34h 40m. China Eastern provides one of the quickest options available for as low as $799. Sydney and Bangkok are separated by a distance of 7509 km.

  • What are the cheapest airlines flying from Sydney to Bangkok round-trip?

    Flying on VietJet Air is currently your cheapest option to Bangkok, with prices starting at $280. Additional round-trip tickets that might be worth considering are offered by Hainan Airlines and Jetstar, with the lowest prices starting at $360 and $380, respectively. VietJet Air is priced at 71% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Sydney to Bangkok one-way?

    The cheapet airlines for a one-way flight from Sydney to Bangkok are Scoot ($220), AirAsia X ($230), and Hainan Airlines ($280).

  • What are the most reliable airlines from Sydney to Bangkok?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Sydney to Bangkok on time: Lufthansa (95%), Austrian Airlines (94%), Oman Air (90%).

  • What are the cheapest flights from Sydney to Bangkok?

    Looking for the cheapest flight from Sydney to Bangkok? While on average our users pay $2,460, our data indicates the cheapest price to be $553. The most popular route (Sydney Kingsford Smith - Bangkok Suvarnabhumi), is priced around $482.

  • Where are the most common stopover locations when flying from Sydney to Bangkok?

  • What are some popular things to do or see while on a stopover in Singapore?

    Sentosa, Universal Studios Singapore, and Merlion are currently the most popular points of interest in Singapore at the moment. Sentosa, Universal Studios Singapore, and Merlion can be accessed by travelling approximately 21.6 km, 21.6 km, and 16.9 km, respectively from Singapore Changi. Those looking to explore during their stopover in Singapore can hire a car from Singapore Changi for about $113 per day.

  • What are points of interest worth seeing during a stopover in Kuala Lumpur?

    The majority of Kuala Lumpur visitors spend their time at Petronas Towers, Berjaya Times Square, and National Mosque of Malaysia. Petronas Towers, Berjaya Times Square, and National Mosque of Malaysia are located about 46.6 km, 44.9 km, and 44.8 km, respectively from Kuala Lumpur Intl. Those looking to explore during their layover in Kuala Lumpur can hire a car from Kuala Lumpur Intl for about $44 per day.

  • Where are the least popular stopover locations for Sydney to Bangkok flights?

  • Can I find deals for flights from Sydney to Bangkok that include hotel bookings?

    Yes. In addition to deals on Sydney to Bangkok flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sydney to Bangkok?

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

  • Can I find deals for business class flights from Sydney to Bangkok?

    Yes. Cheapflights offers flight deals from Sydney to Bangkok 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 Bangkok?

    Currently, May is the cheapest month in which you can book a flight from Sydney to Bangkok (average of $416). Flying from Sydney to Bangkok in December is currently the most expensive (average of $799). 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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Top 10 airlines flying from Sydney to Bangkok

Discover the top 10 airlines that operate flights from Sydney to Bangkok. 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 8 February 2026.
AirlineCheapestAverageFlexibilityOn-time
VietJet AirCheapest$280Average$599FlexibilityNo cancel feeOn-timeN/A
Search VietJet Air flights
Hainan AirlinesCheapest$360Average$660FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
JetstarCheapest$380Average$825FlexibilityNo cancel feeOn-time74%
Search Jetstar flights
XiamenAirCheapest$381Average$863FlexibilityNo cancel feeOn-time49%
Search XiamenAir flights
ScootCheapest$413Average$511FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Cebu PacificCheapest$467Average$779FlexibilityNo cancel feeOn-time64%
Search Cebu Pacific flights
China SouthernCheapest$512Average$791FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Malaysia AirlinesCheapest$546Average$719FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Batik AirCheapest$582Average$890FlexibilityNo cancel feeOn-timeN/A
Search Batik Air flights
Philippine AirlinesCheapest$600Average$853FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights

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Millions of users choose and trust Cheapflights to book the best flight deals from Sydney to Bangkok 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 Sydney to Bangkok with no change fees?

Need flexible booking options for your flight to Bangkok from Sydney? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Sydney to Bangkok become cheaper?

Yes! Start tracking prices for Sydney to Bangkok flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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