Cheap flights from Sydney to Bangkok from $270

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 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BKK
12 Apr — 19 Apr1
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 61 days in advance, depart on a Wednesday or Monday and return on a Friday

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 13 March 2026.

Thu 30/413:00
SYD
-
BKK
1 stop31h 50m
Scoot
Fri 8/515:25
BKK
-
SYD
1 stop17h 20m
Scoot
Deal found 10/3$522
Sat 18/413:00
SYD
-
BKK
1 stop23h 55m
Scoot
Fri 8/520:35
BKK
-
SYD
1 stop19h 45m
Scoot
Deal found 13/3$523
Sun 3/520:35
SYD
-
BKK
1 stop14h 30m
Scoot
Thu 7/515:25
BKK
-
SYD
1 stop17h 20m
Scoot
Deal found 12/3$524
Fri 1/520:35
SYD
-
BKK
1 stop27h 55m
Scoot
Fri 15/520:35
BKK
-
SYD
1 stop19h 45m
Scoot
Deal found 12/3$526
Fri 1/520:35
SYD
-
BKK
1 stop16h 20m
Scoot
Sat 23/520:35
BKK
-
SYD
1 stop12h 10m
Scoot
Deal found 11/3$527
Fri 1/513:00
SYD
-
BKK
1 stop33h 35m
Scoot
Tue 5/522:30
BKK
-
SYD
1 stop17h 50m
Scoot
Deal found 12/3$529
Thu 11/620:35
SYD
-
BKK
1 stop26h 00m
Scoot
Wed 24/609:05
BKK
-
SYD
1 stop23h 40m
Scoot
Deal found 9/3$530
Wed 18/320:05
SYD
-
BKK
1 stop16h 10m
Scoot
Sat 28/322:55
BKK
-
SYD
1 stop17h 25m
Scoot
Deal found 8/3$531
Tue 5/513:00
SYD
-
BKK
1 stop31h 50m
Scoot
Mon 11/518:50
BKK
-
SYD
1 stop13h 55m
Scoot
Deal found 10/3$533
Mon 16/320:05
SYD
-
BKK
1 stop25h 20m
Scoot
Thu 2/422:30
BKK
-
SYD
1 stop17h 50m
Scoot
Deal found 9/3$534
Sun 10/520:35
SYD
-
BKK
1 stop24h 15m
Scoot
Fri 15/522:30
BKK
-
SYD
1 stop17h 50m
Scoot
Deal found 9/3$536
Tue 5/513:00
SYD
-
BKK
1 stop33h 35m
Multiple Airlines
Tue 26/519:55
BKK
-
SYD
1 stop32h 25m
Multiple Airlines
Deal found 10/3$537

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 13 March 2026.

Round-trip from

$522

One-way from

$270

Popular in

December

Cheapest in

October

Average price

$897
Scoot
  • Scoot
  • 30/4-8/5
  • 2 total stops
  • 49h 10m total
  • Sydney to Bangkok
Scoot
  • Scoot
  • 18/3
  • 1 total stop
  • 22h 40m total
  • Sydney to Bangkok
Highest demand for flights based on searches. 13% potential increase in price ($218 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 March 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 13 March 2026.
Use the filters below to find and compare flights from Sydney to Bangkok that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Mon 18/5

20:50-09:30

1 stop15h 40m

Bangkok Don Mueang Intl

Mon 8/6

19:45-19:35

1 stop20h 50m

$572

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Tue 21/7

20:50-10:40

1 stop16h 50m

Bangkok Don Mueang Intl

Tue 18/8

21:30-19:35

1 stop19h 05m

$572

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Mon 4/5

20:50-12:00

1 stop18h 10m

Bangkok Don Mueang Intl

Mon 11/5

18:45-19:35

1 stop21h 50m

$576

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Sun 10/5

20:50-07:50

1 stop14h 00m

Bangkok Don Mueang Intl

Fri 15/5

16:50-08:20

1 stop12h 30m

$588

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Mon 7/9

20:50-12:00

1 stop18h 10m

Bangkok Don Mueang Intl

Thu 17/9

13:35-08:20

1 stop15h 45m

$589

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Fri 15/5

09:45-20:50

1 stop14h 05m

Bangkok Don Mueang Intl

Thu 25/6

13:35-08:20

1 stop15h 45m

$592

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Sat 16/5

10:00-01:35

1 stop18h 35m

Bangkok Suvarnabhumi

Wed 20/5

13:35-09:00

1 stop16h 25m

$651

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Sat 25/4

10:00-01:00

2 stops42h 00m

Bangkok Suvarnabhumi

Sat 2/5

20:50-07:55

2 stops32h 05m

$669

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Thu 28/5

10:00-01:35

1 stop18h 35m

Bangkok Suvarnabhumi

Mon 8/6

20:50-07:55

2 stops56h 05m

$669

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Sun 2/8

11:00-00:40

1 stop16h 40m

Bangkok Suvarnabhumi

Sun 9/8

07:50-12:35

3 stops25h 45m

$721

Flights are sorted by cheapest return flights first.

Deals found on 9/3

Showing 1-10 of 37 resultsSorted by cheapest first
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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 6 March 2026.

Booking 61 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, February is the cheapest month in which you can book a flight from Sydney to Bangkok (average of $309). Flying from Sydney to Bangkok in December is currently the most expensive (average of $783). 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 13 March 2026.

It’s optimal to fly from Sydney to Bangkok in the afternoon. By choosing this option you can save up to 15% 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 21 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 13 March 2026.

The most flights from SYD to TH1 are scheduled on a Monday (17 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (16 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 14% of weekly flights between Sydney and Bangkok have experienced delays in the past year, with the average delay time being 99 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 13 March 2026.
Read through reviews of airlines operating flights from Sydney to Bangkok, such as Thai Airways,Qantas Airways, andChina Southern. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.4

Boarding

7.9

Comfort

7.6

Entertainment

6.8

Overall

7.8

Food

7.4

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing

Crew

8.4

Boarding

7.9

Comfort

7.6

Entertainment

6.8

Overall

7.8

Food

7.4

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing

Crew

8.4

Boarding

7.9

Comfort

7.6

Entertainment

6.8

Overall

7.8

Food

7.4

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing

Crew

8.4

Boarding

7.9

Comfort

7.6

Entertainment

6.8

Overall

7.8

Food

7.4

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing

Crew

8.4

Boarding

7.9

Comfort

7.6

Entertainment

6.8

Overall

7.8

Food

7.4

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing

Crew

8.4

Boarding

7.9

Comfort

7.6

Entertainment

6.8

Overall

7.8

Food

7.4

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing

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 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 05m. China Eastern provides one of the quickest options available for as low as $658. 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 $276. Additional round-trip tickets that might be worth considering are offered by Hainan Airlines and XiamenAir, with the lowest prices starting at $364 and $371, 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 ($227), and China Eastern ($239).

  • 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 (93%), Austrian Airlines (93%), Oman Air (92%).

  • What are the cheapest flights from Sydney to Bangkok?

    Looking for the cheapest flight from Sydney to Bangkok? While on average our users pay $2,133, our data indicates the cheapest price to be $590. The most popular route (Sydney Kingsford Smith - Bangkok Suvarnabhumi), is priced around $429.

  • 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 $121 per day.

  • What are some popular points of interest to see during a stopover in Kuala Lumpur?

    If you're on a stopover in Kuala Lumpur and looking for things to do, consider visiting Petronas Towers, National Mosque of Malaysia, or Kuala Lumpur Tower. Those on a layover in Kuala Lumpur interested in visiting Petronas Towers, National Mosque of Malaysia, or Kuala Lumpur Tower can do so by travelling 46.6 km, 44.8 km, and 46.0 km, respectively from Kuala Lumpur Intl. Travellers can rent a car at Kuala Lumpur Intl for an average daily rate of $40 to make sightseeing during their stopover a little easier.

  • 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, February is the cheapest month in which you can book a flight from Sydney to Bangkok (average of $309). Flying from Sydney to Bangkok in December is currently the most expensive (average of $783). 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 13 March 2026.
AirlineCheapestAverageFlexibilityOn-time
VietJet AirCheapest$276Average$590FlexibilityNo cancel feeOn-timeN/A
Search VietJet Air flights
Hainan AirlinesCheapest$364Average$610FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
XiamenAirCheapest$371Average$856FlexibilityNo cancel feeOn-time49%
Search XiamenAir flights
JetstarCheapest$374Average$835FlexibilityNo cancel feeOn-time74%
Search Jetstar flights
ScootCheapest$411Average$512FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Cebu PacificCheapest$461Average$769FlexibilityNo cancel feeOn-time64%
Search Cebu Pacific flights
China SouthernCheapest$519Average$814FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Malaysia AirlinesCheapest$539Average$702FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Batik AirCheapest$574Average$878FlexibilityNo cancel feeOn-timeN/A
Search Batik Air flights
China EasternCheapest$585Average$907FlexibilityNo cancel feeOn-time62%
Search China Eastern flights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Sydney to Bangkok. 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 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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