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

According to our data, AirAsia X have had the fewest delays on this route over the last 12 months, with about 45% of their flights experiencing any sort of delay.

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

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Tuesday has historically seen more delays on average compared to the rest of the week.

How often are flights from Sydney to Bangkok delayed?

Historically, on average around 45% of flights between Sydney and Bangkok have experienced a delay on any given week. The average delay length over the past 12 months has been 153 minutes.

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

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Bangkok Don Mueang Intl Airport?

Prices for flights from Sydney Kingsford Smith Airport to Bangkok Don Mueang Intl Airport are updated daily.

How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Bangkok Don Mueang Intl Airport?

There are 2 operators available for flights from Sydney Kingsford Smith Airport to Bangkok Don Mueang Intl Airport as of December 2025.

How old do you have to be to fly from Sydney Kingsford Smith Airport to Bangkok Don Mueang Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Sydney Kingsford Smith Airport to Bangkok Don Mueang Intl Airport.

What documentation or ID do you need to fly to Bangkok Don Mueang Intl Airport?

The required travel and health documents for your Bangkok Don Mueang Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Bangkok Don Mueang Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$329 Cheap Flights from Sydney to Bangkok Don Mueang Intl Airport in 2025/26

1 adult

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21:50 - 07:50

SYD

DMK

14h 00m1 stop

12:10 - 10:45

DMK

SYD

18h 35m1 stop

$592Multiple Airlines

Sun, 1 Mar - Thu, 12 Mar

10:45 - 19:10

SYD

DMK

12h 25m1 stop

06:35 - 10:45

DMK

SYD

24h 10m2 stops

$613Multiple Airlines

Sat, 7 Mar - Wed, 11 Mar

21:50 - 11:35

SYD

DMK

17h 45m1 stop

12:10 - 06:15

DMK

SYD

14h 05m1 stop

$616Multiple Airlines

Sun, 1 Mar - Mon, 9 Mar

21:50 - 07:50

SYD

DMK

14h 00m1 stop

06:00 - 06:15

DMK

SYD

20h 15m1 stop

$621Multiple Airlines

Mon, 2 Feb - Wed, 18 Feb

10:45 - 19:10

SYD

DMK

12h 25m1 stop

12:10 - 06:15

DMK

SYD

14h 05m1 stop

$624Multiple Airlines

Fri, 27 Feb - Mon, 9 Mar

21:50 - 11:35

SYD

DMK

17h 45m1 stop

12:10 - 06:15

DMK

SYD

14h 05m1 stop

$626Multiple Airlines

Fri, 9 Jan - Wed, 4 Mar

10:45 - 11:35

SYD

DMK

28h 50m1 stop

16:50 - 09:15

DMK

SYD

12h 25m1 stop

$627Multiple Airlines

Sun, 8 Mar - Thu, 12 Mar

11:15 - 19:45

SYD

DMK

12h 30m1 stop

23:10 - 10:45

DMK

SYD

31h 35m1 stop

$630Multiple Airlines

Mon, 16 Mar - Fri, 27 Mar

21:50 - 09:20

SYD

DMK

15h 30m1 stop

18:40 - 20:35

DMK

SYD

21h 55m1 stop

$647Multiple Airlines

Sun, 8 Mar - Sat, 14 Mar

10:45 - 11:35

SYD

DMK

28h 50m1 stop

19:40 - 20:35

DMK

SYD

20h 55m1 stop

$650Multiple Airlines

Fri, 6 Mar - Sat, 14 Mar

momondo Fare Finder

Use the filters below to find and compare flights from Sydney to Bangkok Don Mueang Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Sun 1/3

21:50-07:50

1 stop14h 00m

Bangkok Don Mueang Intl

Thu 12/3

12:10-10:45

1 stop18h 35m

$592

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Sat 7/3

10:45-19:10

1 stop12h 25m

Bangkok Don Mueang Intl

Wed 11/3

06:35-10:45

2 stops24h 10m

$613

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Sun 1/3

21:50-11:35

1 stop17h 45m

Bangkok Don Mueang Intl

Mon 9/3

12:10-06:15

1 stop14h 05m

$616

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Mon 2/2

21:50-07:50

1 stop14h 00m

Bangkok Don Mueang Intl

Wed 18/2

06:00-06:15

1 stop20h 15m

$621

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Fri 27/2

10:45-19:10

1 stop12h 25m

Bangkok Don Mueang Intl

Mon 9/3

12:10-06:15

1 stop14h 05m

$624

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Fri 9/1

21:50-11:35

1 stop17h 45m

Bangkok Don Mueang Intl

Wed 4/3

12:10-06:15

1 stop14h 05m

$626

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Sun 8/3

10:45-11:35

1 stop28h 50m

Bangkok Don Mueang Intl

Thu 12/3

16:50-09:15

1 stop12h 25m

$627

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Mon 16/3

11:15-19:45

1 stop12h 30m

Bangkok Don Mueang Intl

Fri 27/3

23:10-10:45

1 stop31h 35m

$630

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Sun 8/3

21:50-09:20

1 stop15h 30m

Bangkok Don Mueang Intl

Sat 14/3

18:40-20:35

1 stop21h 55m

$647

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Fri 6/3

10:45-11:35

1 stop28h 50m

Bangkok Don Mueang Intl

Sat 14/3

19:40-20:35

1 stop20h 55m

$650

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Sydney to Bangkok Don Mueang Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Delays

What is the cheapest month to fly to Bangkok Don Mueang Intl Airport?

The cheapest month to fly to Bangkok Don Mueang Intl Airport from Sydney is in August. Flight prices, which tend to average around $497, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of August, then book flights to Bangkok Don Mueang Intl Airport from Sydney during May instead. Flights to Bangkok Don Mueang Intl Airport in May, while not as cheap as those in August, still average around $568.

What is the cheapest day to depart on your flight to Bangkok Don Mueang Intl Airport?

The cheapest day to depart from Sydney to Bangkok Don Mueang Intl Airport is on a Sunday. Travellers who choose to depart for Bangkok Don Mueang Intl Airport on a Sunday will often find tickets for as low as $578. The most expensive day to fly to Bangkok Don Mueang Intl Airport is Monday, with ticket prices averaging around $1,267.

What is the cheapest time of day to depart on your flight to Bangkok Don Mueang Intl Airport?

Flying to Bangkok Don Mueang Intl Airport from Sydney in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $894 when looking at flights departing in the afternoon. In contrast, the most expensive time of day to depart to Bangkok Don Mueang Intl Airport is in the morning when prices are around $1,183.

What is the cheapest Sydney Kingsford Smith to Bangkok Don Mueang Intl flight route?

Fly from Sydney Kingsford Smith to Bangkok Don Mueang Intl for the best Sydney Kingsford Smith - Bangkok Don Mueang Intl flight prices

What cabin class options are available on Sydney Kingsford Smith to Bangkok Don Mueang Intl flights?

There are 3 cabin classes available to choose from on Sydney Kingsford Smith to Bangkok Don Mueang Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Sydney to Bangkok Don Mueang Intl Airport flights?

You could potentially save up to 7% on your flight if you consider stops on a Sydney to Bangkok Don Mueang Intl Airport flight.

When to book flights from Sydney to Bangkok Don Mueang Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Sydney to Bangkok Don Mueang Intl Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Sydney to Bangkok Don Mueang Intl Airport (SYD to DMK) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sydney to Bangkok Don Mueang Intl Airport

Fastest flight time	12h 10m
Direct flights	None

The fastest flight from Sydney to Bangkok Don Mueang Intl Airport takes 12h 10m

There are no direct flights from Sydney to Bangkok Don Mueang Intl Airport. There are no popular flight routes from Sydney to Bangkok Don Mueang Intl Airport.

Search flight deals

How far is Sydney Kingsford Smith to Bangkok Don Mueang Intl by plane?
A flight from Sydney Kingsford Smith to Bangkok Don Mueang Intl will travel around 7536.4 km. Typically, this will take 12h 25m by plane in normal conditions.
When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Bangkok Don Mueang Intl Airport?
Prices for flights from Sydney Kingsford Smith Airport to Bangkok Don Mueang Intl Airport are updated daily.
How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Bangkok Don Mueang Intl Airport?
There are 2 operators available for flights from Sydney Kingsford Smith Airport to Bangkok Don Mueang Intl Airport as of December 2025.
How old do you have to be to fly from Sydney Kingsford Smith Airport to Bangkok Don Mueang Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Sydney Kingsford Smith Airport to Bangkok Don Mueang Intl Airport.
What documentation or ID do you need to fly to Bangkok Don Mueang Intl Airport?
The required travel and health documents for your Bangkok Don Mueang Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Bangkok Don Mueang Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Sydney to Bangkok Don Mueang Intl Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Sydney to Bangkok Don Mueang Intl Airport is Airbus A350-900 (54.95% of total bookings). The next most popular plane models are Airbus A330-300 (39.60%), Boeing 787-8 Dreamliner (1.98%), and Boeing 787-9 Dreamliner (0.99%).
What is the most popular airline from Sydney to Bangkok Don Mueang Intl Airport?
Based on momondo bookings for flights between Sydney and Bangkok Don Mueang Intl Airport, the leading airline is Thai AirAsia X, making up 88% of the total bookings. Other popular airlines include China Southern with 12%.

Best airlines flying from Sydney to Bangkok Don Mueang Intl Airport

Compare and see reviews for airlines that fly from Sydney to Bangkok Don Mueang Intl Airport with momondo

Airline	Rating	Free cancellation	Price
China Southern	PriceFrom $547	Free cancellation	Rating 7.5 122 reviews		Search China Southern flights
Thai AirAsia X	PriceFrom $563	Free cancellation	Rating 0.0 0 reviews		Search Thai AirAsia X flights

Why use momondo?

Why should I use momondo to find a flight deal from Sydney to Bangkok?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Bangkok from Sydney.

Can I find flights from Sydney to Bangkok with flexible booking policies on momondo?

Yes. All flights to Bangkok from Sydney on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Sydney to Bangkok?

momondo provides multiple filters to help you find the best flight to Bangkok from Sydney. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Sydney to Bangkok right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Bangkok from Sydney. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Bangkok Don Mueang Intl Airport trip

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Cheap flights from Sydney to Bangkok from $329

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Bangkok departing on 12/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Sydney to Bangkok Don Mueang Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Bangkok Don Mueang Intl Airport?

What is the cheapest day to depart on your flight to Bangkok Don Mueang Intl Airport?

What is the cheapest time of day to depart on your flight to Bangkok Don Mueang Intl Airport?

What is the cheapest Sydney Kingsford Smith to Bangkok Don Mueang Intl flight route?

Fly from Sydney Kingsford Smith to Bangkok Don Mueang Intl for the best Sydney Kingsford Smith - Bangkok Don Mueang Intl flight prices

What cabin class options are available on Sydney Kingsford Smith to Bangkok Don Mueang Intl flights?

There are 3 cabin classes available to choose from on Sydney Kingsford Smith to Bangkok Don Mueang Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Sydney to Bangkok Don Mueang Intl Airport flights?

You could potentially save up to 7% on your flight if you consider stops on a Sydney to Bangkok Don Mueang Intl Airport flight.

How often are flights from Sydney to Bangkok delayed?

Historically, on average around 45% of flights between Sydney and Bangkok have experienced a delay on any given week. The average delay length over the past 12 months has been 153 minutes.

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

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

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

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Tuesday has historically seen more delays on average compared to the rest of the week.

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

According to our data, AirAsia X have had the fewest delays on this route over the last 12 months, with about 45% of their flights experiencing any sort of delay.

When to book flights from Sydney to Bangkok Don Mueang Intl Airport

Cheap Sydney to Bangkok Don Mueang Intl Airport (SYD to DMK) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sydney to Bangkok Don Mueang Intl Airport

Fastest flight time

Direct flights

How far is Sydney Kingsford Smith to Bangkok Don Mueang Intl by plane?

When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Bangkok Don Mueang Intl Airport?

How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Bangkok Don Mueang Intl Airport?

How old do you have to be to fly from Sydney Kingsford Smith Airport to Bangkok Don Mueang Intl Airport?

What documentation or ID do you need to fly to Bangkok Don Mueang Intl Airport?

What is the most popular plane model from Sydney to Bangkok Don Mueang Intl Airport?

What is the most popular airline from Sydney to Bangkok Don Mueang Intl Airport?

Best airlines flying from Sydney to Bangkok Don Mueang Intl Airport

Compare and see reviews for airlines that fly from Sydney to Bangkok Don Mueang Intl Airport with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Sydney to Bangkok?

Can I find flights from Sydney to Bangkok with flexible booking policies on momondo?

How can momondo help me find flights from Sydney to Bangkok?

I’m not ready to book a flight from Sydney to Bangkok right now. Can momondo alert me if prices change?

An easier way to manage your Bangkok Don Mueang Intl Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Bangkok

Popular Cities in Thailand

Popular flights according to clicks in the last 7 days on momondo