Cheap flights from Sydney to Bangkok from $332

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BKK
27 Jan — 3 Feb1
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 28 December 2025.

Sun 28/1207:20SYD - DMK
3 stops46h 20mMultiple Airlines
Thu 1/108:35DMK - SYD
2 stops30h 15mMultiple Airlines
Deal found 27/12$1,121
Wed 31/1221:50SYD - DMK
1 stop14h 00mMultiple Airlines
Tue 20/121:25DMK - SYD
1 stop19h 10mMultiple Airlines
Deal found 27/12$1,137
Wed 31/1221:50SYD - DMK
1 stop17h 15mMultiple Airlines
Wed 7/113:30DMK - SYD
1 stop15h 45mMultiple Airlines
Deal found 26/12$1,146
Tue 30/1221:50SYD - DMK
1 stop22h 30mMultiple Airlines
Tue 6/119:40DMK - SYD
1 stop20h 55mMultiple Airlines
Deal found 26/12$1,149
Mon 29/1212:30SYD - BKK
1 stop16h 15mMultiple Airlines
Mon 29/619:20BKK - SYD
1 stop15h 45mMultiple Airlines
Deal found 27/12$1,149
Wed 31/1220:05SYD - BKK
1 stop18h 45mScoot
Tue 6/122:55BKK - SYD
1 stop15h 55mScoot
Deal found 25/12$1,159
Wed 31/1220:05SYD - BKK
1 stop18h 45mScoot
Wed 7/120:15BKK - SYD
1 stop18h 35mScoot
Deal found 25/12$1,183
Mon 29/1221:50SYD - DMK
1 stop14h 00mMultiple Airlines
Mon 29/621:30DMK - SYD
1 stop19h 05mMultiple Airlines
Deal found 27/12$1,184
Tue 30/1221:50SYD - DMK
1 stop22h 30mMultiple Airlines
Mon 5/116:50DMK - SYD
1 stop12h 25mMultiple Airlines
Deal found 26/12$1,207
Sun 28/1211:25SYD - BKK
1 stop17h 40mChina Southern
Thu 1/112:25BKK - SYD
1 stop21h 10mChina Southern
Deal found 27/12$1,214
Wed 31/1212:30SYD - BKK
1 stop26h 45mMultiple Airlines
Sat 10/111:50BKK - SYD
1 stop27h 00mMultiple Airlines
Deal found 27/12$1,216
Tue 30/1220:05SYD - BKK
1 stop16h 10mScoot
Tue 6/122:55BKK - SYD
1 stop15h 55mScoot
Deal found 26/12$1,217

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 28 December 2025.

Round-trip from

$631

One-way from

$332

Popular in

December

Cheapest in

October

Average price

$1,423
7/3-16/3
  • 7/3-16/3
  • 3 total stops
  • 41h 40m total
  • Sydney to Bangkok
4/3
  • 4/3
  • 2 total stops
  • 28h 40m total
  • Sydney to Bangkok
Highest demand for flights based on searches. 15% potential increase in price ($270 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($58 potential savings vs. average return price).
Average for round-trip flights in December 2025

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 28 December 2025.
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 - BKK

SYDBKK

Sydney Kingsford Smith

Mon 26/1

20:05-10:50

1 stop18h 45m

Bangkok Suvarnabhumi

Tue 10/2

20:15-18:50

1 stop18h 35m

$659

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Mon 26/1

20:05-08:15

1 stop16h 10m

Bangkok Suvarnabhumi

Tue 10/2

22:55-06:15

2 stops27h 20m

$676

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Wed 11/2

20:05-19:05

1 stop27h 00m

Bangkok Suvarnabhumi

Mon 16/2

20:05-08:05

1 stop32h 00m

$679

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Tue 3/2

20:05-08:15

1 stop16h 10m

Bangkok Suvarnabhumi

Tue 24/2

09:15-06:15

2 stops17h 00m

$693

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Thu 12/2

13:35-22:10

1 stop12h 35m

Bangkok Suvarnabhumi

Mon 16/2

07:50-20:35

2 stops32h 45m

$763

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Sat 7/3

10:20-16:10

Nonstop9h 50m

Bangkok Suvarnabhumi

Sat 4/4

11:30-08:20

1 stop16h 50m

$897

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Fri 10/4

10:15-23:15

1 stop16h 00m

Bangkok Don Mueang Intl

Wed 26/8

12:20-09:45

1 stop18h 25m

$930

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Sat 14/2

10:45-20:45

1 stop14h 00m

Bangkok Don Mueang Intl

Sat 28/2

15:10-09:15

1 stop14h 05m

$960

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Sat 17/1

10:45-19:10

1 stop12h 25m

Bangkok Don Mueang Intl

Wed 21/1

11:10-09:15

2 stops18h 05m

$970

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Thu 25/6

06:30-21:40

2 stops18h 10m

Bangkok Don Mueang Intl

Thu 2/7

12:35-08:20

2 stops16h 45m

$990

Flights are sorted by cheapest return flights first.

Deals found on 27/12

Showing 1-10 of 44 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 26 December 2025.

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 $435). Flying from Sydney to Bangkok in December is currently the most expensive (average of $824). 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 28 December 2025.

It’s optimal to fly from Sydney to Bangkok in the afternoon. By choosing this option you can save up to 16% 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 20 December 2025.

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 28 December 2025.

The most flights from SYD to TH1 are scheduled on a Monday (17 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 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 98 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?

Tuesday 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 28 December 2025.
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.

Boarding

8.3

Food

7.8

Comfort

8.0

Overall

8.1

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.

Boarding

8.3

Food

7.8

Comfort

8.0

Overall

8.1

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.

Boarding

8.3

Food

7.8

Comfort

8.0

Overall

8.1

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.

Boarding

8.3

Food

7.8

Comfort

8.0

Overall

8.1

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.

Boarding

8.3

Food

7.8

Comfort

8.0

Overall

8.1

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.

Boarding

8.3

Food

7.8

Comfort

8.0

Overall

8.1

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.

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. 24 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 16 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 18h 45m. Scoot provides one of the quickest options available for as low as $659. 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 $293. Additional round-trip tickets that might be worth considering are offered by Hainan Airlines and Jetstar, with the lowest prices starting at $376 and $396, 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 ($229), AirAsia X ($240), and Hainan Airlines ($307).

  • 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 (98%), Austrian Airlines (98%), Thai Airways (89%).

  • What are the cheapest flights from Sydney to Bangkok?

    Looking for the cheapest flight from Sydney to Bangkok? While on average our users pay $2,583, our data indicates the cheapest price to be $641. The most popular route (Sydney Kingsford Smith - Bangkok Suvarnabhumi), is priced around $461.

  • 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, Merlion, and Universal Studios Singapore are currently the most popular points of interest in Singapore at the moment. Sentosa, Merlion, and Universal Studios Singapore can be accessed by travelling approximately 21.6 km, 16.9 km, and 21.6 km, respectively from Singapore Changi. Those looking to explore during their stopover in Singapore can hire a car from Singapore Changi for about $132 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 Berjaya Times Square, Petronas Towers, and National Mosque of Malaysia. Berjaya Times Square, Petronas Towers, and National Mosque of Malaysia are located about 44.9 km, 46.6 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 $435). Flying from Sydney to Bangkok in December is currently the most expensive (average of $824). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 28 December 2025.
AirlineCheapestAverageFlexibilityOn-time
VietJet AirCheapest$297Average$634FlexibilityNo cancel feeOn-timeN/A
Search VietJet Air flights
JetstarCheapest$405Average$956FlexibilityNo cancel feeOn-time74%
Search Jetstar flights
Cebu PacificCheapest$487Average$816FlexibilityNo cancel feeOn-time64%
Search Cebu Pacific flights
Hainan AirlinesCheapest$530Average$722FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
XiamenAirCheapest$530Average$910FlexibilityNo cancel feeOn-time49%
Search XiamenAir flights
Malaysia AirlinesCheapest$625Average$766FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
China AirlinesCheapest$671Average$995FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Vietnam AirlinesCheapest$676Average$847FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Philippine AirlinesCheapest$676Average$906FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights
Thai AirAsia XCheapest$688Average$1,222FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Sydney to Bangkok?

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Why should you use Cheapflights to find cheap flight tickets from Sydney to Bangkok?

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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