Cheap flights from Sydney to Bangkok from $289

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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BKK
17 May — 24 May1
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 17 April 2026.

Mon 17/820:35
SYD
-
BKK
1 stop27h 55m
Scoot
Mon 31/810:55
BKK
-
SYD
1 stop21h 50m
Scoot
Deal found 12/4$549
Thu 23/413:00
SYD
-
BKK
1 stop28h 25m
Scoot
Thu 7/509:05
BKK
-
SYD
1 stop31h 15m
Scoot
Deal found 14/4$552
Tue 21/413:00
SYD
-
BKK
1 stop22h 05m
Scoot
Thu 21/509:05
BKK
-
SYD
1 stop31h 15m
Scoot
Deal found 14/4$553
Sat 25/413:00
SYD
-
BKK
1 stop33h 35m
Scoot
Sat 30/518:50
BKK
-
SYD
1 stop21h 30m
Scoot
Deal found 15/4$555
Wed 22/413:00
SYD
-
BKK
1 stop33h 35m
Scoot
Thu 28/520:35
BKK
-
SYD
1 stop19h 45m
Scoot
Deal found 15/4$556
Wed 29/713:00
SYD
-
BKK
1 stop22h 05m
Scoot
Thu 13/818:50
BKK
-
SYD
1 stop13h 55m
Scoot
Deal found 13/4$558
Wed 22/420:50
SYD
-
DMK
1 stop20h 55m
Multiple Airlines
Thu 4/615:15
DMK
-
SYD
1 stop14h 05m
Multiple Airlines
Deal found 12/4$559
Wed 22/420:35
SYD
-
BKK
1 stop16h 20m
Scoot
Sat 23/510:55
BKK
-
SYD
1 stop29h 25m
Scoot
Deal found 15/4$560
Mon 10/820:35
SYD
-
BKK
1 stop14h 30m
Scoot
Mon 17/818:50
BKK
-
SYD
1 stop13h 55m
Scoot
Deal found 11/4$562
Wed 22/420:50
SYD
-
DMK
1 stop20h 55m
Multiple Airlines
Thu 28/516:45
DMK
-
SYD
1 stop12h 35m
Multiple Airlines
Deal found 15/4$563
Sun 9/820:35
SYD
-
BKK
1 stop16h 20m
Scoot
Thu 3/910:55
BKK
-
SYD
1 stop29h 25m
Scoot
Deal found 14/4$563
Sat 1/820:35
SYD
-
BKK
1 stop26h 00m
Scoot
Sat 15/820:35
BKK
-
SYD
1 stop19h 45m
Scoot
Deal found 12/4$565

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 17 April 2026.

Round-trip from

$552

One-way from

$289

Popular in

December

Cheapest in

October

Average price

$1,046
Scoot
  • Scoot
  • 23/4-7/5
  • 2 total stops
  • 59h 40m total
  • Sydney to Bangkok
1/6
  • 1/6
  • 1 total stop
  • 15h 40m total
  • Sydney to Bangkok
Highest demand for flights based on searches. 13% potential increase in price ($213 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($52 potential savings vs. average return price).
Average for round-trip flights in April 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 17 April 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 17/8

20:50-07:50

1 stop14h 00m

Bangkok Don Mueang Intl

Sun 30/8

21:30-19:35

1 stop19h 05m

$647

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Mon 27/7

20:50-09:30

1 stop15h 40m

Bangkok Don Mueang Intl

Mon 17/8

19:40-19:35

1 stop20h 55m

$672

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Fri 2/10

10:15-12:45

1 stop29h 30m

Bangkok Suvarnabhumi

Sat 17/10

13:50-08:20

1 stop14h 30m

$673

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Mon 31/8

10:15-23:05

1 stop15h 50m

Bangkok Don Mueang Intl

Thu 10/9

16:50-08:20

1 stop12h 30m

$719

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Mon 11/5

20:50-09:30

1 stop15h 40m

Bangkok Don Mueang Intl

Tue 2/6

21:30-19:35

1 stop19h 05m

$739

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Mon 31/8

10:00-12:20

2 stops29h 20m

Bangkok Suvarnabhumi

Wed 9/9

02:25-08:00

2 stops26h 35m

$778

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Fri 22/5

10:05-12:20

3 stops29h 15m

Bangkok Suvarnabhumi

Sun 7/6

20:50-12:35

2 stops60h 45m

$823

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Tue 1/9

10:05-19:50

3 stops36h 45m

Bangkok Suvarnabhumi

Fri 11/9

02:25-08:00

2 stops26h 35m

$834

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Mon 11/5

20:50-09:30

1 stop15h 40m

Bangkok Don Mueang Intl

Tue 9/6

18:45-19:35

1 stop21h 50m

$839

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Sat 1/8

09:45-19:20

1 stop12h 35m

Bangkok Don Mueang Intl

Fri 11/9

10:30-07:15

2 stops17h 45m

$845

Flights are sorted by cheapest return flights first.

Deals found on 12/4

Showing 1-10 of 42 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 10 April 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, May is the cheapest month in which you can book a flight from Sydney to Bangkok (average of $651). Flying from Sydney to Bangkok in December is currently the most expensive (average of $1,333). 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 17 April 2026.

It’s optimal to fly from Sydney to Bangkok in the evening. By choosing this option you can save up to 13% 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 11 April 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. Thursday afternoons 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 17 April 2026.

The most flights from SYD to TH1 are scheduled on a Tuesday (16 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (15 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 at night are less likely to be delayed, whereas flights leaving in the evening 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 9% 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 17 April 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

Entertainment

6.9

Overall

7.8

Comfort

7.6

Food

7.4

Boarding

7.9

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

Entertainment

6.9

Overall

7.8

Comfort

7.6

Food

7.4

Boarding

7.9

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

Entertainment

6.9

Overall

7.8

Comfort

7.6

Food

7.4

Boarding

7.9

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

Entertainment

6.9

Overall

7.8

Comfort

7.6

Food

7.4

Boarding

7.9

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

Entertainment

6.9

Overall

7.8

Comfort

7.6

Food

7.4

Boarding

7.9

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

Entertainment

6.9

Overall

7.8

Comfort

7.6

Food

7.4

Boarding

7.9

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 15 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 29h 20m. VietJet Air provides one of the quickest options available for as low as $778. Sydney and Bangkok are separated by a distance of 7509 km. This flight may include one or multiple stops.

  • 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 $274. Additional round-trip tickets that might be worth considering are offered by Hainan Airlines and XiamenAir, with the lowest prices starting at $360 and $363, 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 ($219), AirAsia X ($224), and China Eastern ($237).

  • 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: Gulf Air (97%), Austrian Airlines (95%), Lufthansa (95%).

  • What are the cheapest flights from Sydney to Bangkok?

    Looking for the cheapest flight from Sydney to Bangkok? While on average our users pay $2,366, our data indicates the cheapest price to be $667. The most popular route (Sydney Kingsford Smith - Bangkok Suvarnabhumi), is priced around $556.

  • 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 $119 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, Kuala Lumpur Tower, or Berjaya Times Square. Those on a layover in Kuala Lumpur interested in visiting Petronas Towers, Kuala Lumpur Tower, or Berjaya Times Square can do so by travelling 46.6 km, 46.0 km, and 44.9 km, respectively from Kuala Lumpur Intl. Travellers can rent a car at Kuala Lumpur Intl for an average daily rate of $44 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, May is the cheapest month in which you can book a flight from Sydney to Bangkok (average of $651). Flying from Sydney to Bangkok in December is currently the most expensive (average of $1,333). 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

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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 17 April 2026.
AirlineCheapestAverageFlexibilityOn-time
VietJet AirCheapest$274Average$587FlexibilityNo cancel feeOn-timeN/A
Search VietJet Air flights
Hainan AirlinesCheapest$360Average$590FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
XiamenAirCheapest$363Average$849FlexibilityNo cancel feeOn-time49%
Search XiamenAir flights
JetstarCheapest$371Average$792FlexibilityNo cancel feeOn-time74%
Search Jetstar flights
ScootCheapest$410Average$582FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Cebu PacificCheapest$440Average$762FlexibilityNo cancel feeOn-time64%
Search Cebu Pacific flights
China SouthernCheapest$512Average$779FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Malaysia AirlinesCheapest$534Average$701FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
China EasternCheapest$549Average$872FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Batik AirCheapest$569Average$870FlexibilityNo cancel feeOn-timeN/A
Search Batik Air flights

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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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