Find flights
When to book
FAQs

Cheap flights from Sydney to Bangkok Don Mueang Intl Airport from $317

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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — DMK
14 févr. — 21 févr.1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to Don Mueang Intl

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Don Mueang Intl (DMK). 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 15 janvier 2026.

Round-trip from

$591

One-way from

$317

Popular in

September

Cheapest in

August

Average price

$1,069
13/2-17/2
  • 13/2-17/2
  • 2 total stops
  • 31h 35m total
  • Sydney to Bangkok
Search Deals
28/2
  • 28/2
  • 1 total stop
  • 14h 00m total
  • Sydney to Bangkok
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($41 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($77 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Find flight deals from Sydney to Don Mueang Intl

Enter your travel dates to find the best prices.

Cheapest flights from Sydney to Don Mueang Intl
Explore the most affordable flight options available from Sydney to Don Mueang Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 janvier 2026.

ven. 13/210:45
SYD
-
DMK
1 stop12h 25m
Multiple Airlines
mar. 17/221:25
DMK
-
SYD
1 stop19h 10m
Multiple Airlines
Deal found 13/1$591
mar. 10/221:50
SYD
-
DMK
1 stop15h 30m
Multiple Airlines
mar. 17/221:25
DMK
-
SYD
1 stop19h 10m
Multiple Airlines
Deal found 13/1$597
jeu. 14/510:15
SYD
-
DMK
1 stop16h 00m
Multiple Airlines
dim. 24/507:30
DMK
-
SYD
1 stop20h 50m
Multiple Airlines
Deal found 13/1$603
mer. 11/321:50
SYD
-
DMK
1 stop14h 00m
Multiple Airlines
mar. 17/321:25
DMK
-
SYD
1 stop19h 10m
Multiple Airlines
Deal found 13/1$604
ven. 23/121:50
SYD
-
DMK
1 stop19h 00m
Multiple Airlines
ven. 27/209:55
DMK
-
SYD
1 stop19h 20m
Multiple Airlines
Deal found 12/1$613
sam. 7/210:45
SYD
-
DMK
1 stop12h 25m
Multiple Airlines
sam. 14/221:25
DMK
-
SYD
1 stop19h 10m
Multiple Airlines
Deal found 13/1$615
sam. 7/210:45
SYD
-
DMK
1 stop12h 25m
Multiple Airlines
lun. 16/218:40
DMK
-
SYD
1 stop21h 55m
Multiple Airlines
Deal found 13/1$618
jeu. 28/510:15
SYD
-
DMK
1 stop16h 00m
Multiple Airlines
jeu. 11/613:40
DMK
-
SYD
1 stop14h 40m
Multiple Airlines
Deal found 13/1$621
jeu. 14/510:15
SYD
-
DMK
1 stop16h 00m
Multiple Airlines
mar. 26/507:30
DMK
-
SYD
1 stop20h 50m
Multiple Airlines
Deal found 13/1$622
jeu. 12/311:15
SYD
-
DMK
1 stop12h 30m
Multiple Airlines
lun. 30/307:30
DMK
-
SYD
2 stops34h 50m
Multiple Airlines
Deal found 13/1$625

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sydney to Don Mueang Intl 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 15 janvier 2026.
Use the filters below to find and compare flights from Sydney to Bangkok Don Mueang Intl Airport that are best for you.

Fly from

Sydney

Fly to

Don Mueang Intl

Route

Depart

Return

Price

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

jeu. 28/5

10:15-23:15

1 stop16h 00m

Bangkok Don Mueang Intl

jeu. 11/6

13:40-07:20

1 stop14h 40m

$621

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

dim. 1/2

21:50-14:40

1 stop20h 50m

Bangkok Don Mueang Intl

ven. 13/2

06:40-09:15

1 stop22h 35m

$654

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

mar. 3/2

21:50-07:50

1 stop14h 00m

Bangkok Don Mueang Intl

mer. 11/2

06:00-07:25

1 stop21h 25m

$769

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

mar. 3/2

11:15-19:45

1 stop12h 30m

Bangkok Don Mueang Intl

jeu. 12/2

09:55-09:15

2 stops19h 20m

$782

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

dim. 1/2

10:45-19:10

1 stop12h 25m

Bangkok Don Mueang Intl

dim. 8/2

06:40-06:15

2 stops19h 35m

$818

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

mer. 11/3

11:15-19:45

1 stop12h 30m

Bangkok Don Mueang Intl

sam. 21/3

12:05-07:30

2 stops15h 25m

$867

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

lun. 16/3

21:50-07:50

1 stop14h 00m

Bangkok Don Mueang Intl

sam. 18/4

20:20-19:35

1 stop20h 15m

$930

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

ven. 6/3

11:15-19:45

1 stop12h 30m

Bangkok Don Mueang Intl

sam. 21/3

12:05-07:30

2 stops15h 25m

$936

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

mer. 18/3

21:50-07:50

1 stop14h 00m

Bangkok Don Mueang Intl

sam. 28/3

13:25-09:15

1 stop15h 50m

$953

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

lun. 20/4

10:15-23:15

1 stop16h 00m

Bangkok Don Mueang Intl

mer. 29/4

02:00-20:15

2 stops15h 15m

$993

Flights are sorted by cheapest return flights first.

Deals found on 14/1

Showing 1-10 of 22 results
1
2
3

Best time to book a flight from Sydney to Don Mueang Intl

Have a flexible travel schedule? Discover the best time to fly to Don Mueang Intl 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 Don Mueang Intl Airport

What is the cheapest month to book a flight from Sydney to Bangkok Don Mueang Intl Airport?

Currently, February is the cheapest month in which you can book a flight from Sydney to Bangkok Don Mueang Intl Airport (average of $449). Flying from Sydney to Bangkok Don Mueang Intl Airport in September is currently the most expensive (average of $1,494). 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 DMK?

Find hourly flight availability from Sydney to Don Mueang Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 janvier 2026.

It’s optimal to fly from Sydney to Bangkok Don Mueang Intl Airport in the afternoon. By choosing this option you can save up to 27% on the cost of your flight, compared to a flight in the evening.

Related info for your journey

Find useful and relevant information for your journey from Sydney to Don Mueang Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Sydney Kingsford Smith (SYD) is the airport you will fly out of if you book a flight from Sydney to Bangkok Don Mueang Intl. You should not have trouble finding flights to Bangkok Don Mueang Intl from Kingsford Smith; the airport handles an average of 0 outbound flights to Bangkok Don Mueang Intl per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Sydney airport to Bangkok Don Mueang Intl. It is only a 7.5 km journey to Kingsford Smith (SYD) from Sydney’s city centre.

  • What is the cheapest airline to fly from Sydney to Bangkok Don Mueang Intl Airport round-trip?

    Cheapflights users have booked flights from Sydney to Bangkok Don Mueang Intl Airport round-trip from $830. Users have found that Thai AirAsia X is 11% cheaper than the other options available to this destination.

  • Can I find deals for flights from Sydney to Don Mueang Intl that include hotel bookings?

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

  • How can I find direct flights from Sydney to Don Mueang Intl?

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

  • Can I find deals for business class flights from Sydney to Don Mueang Intl?

    Yes. Cheapflights offers flight deals from Sydney to Don Mueang Intl 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 Don Mueang Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Sydney to Bangkok Don Mueang Intl Airport (average of $449). Flying from Sydney to Bangkok Don Mueang Intl Airport in September is currently the most expensive (average of $1,494). 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.

Alternative routes for Sydney to Don Mueang Intl

See prices for flight routes from nearby airports that may be better suited for you.
Sydney to Suvarnabhumi flights
Coolangatta to Suvarnabhumi flights
Coolangatta to Don Mueang Intl flights
Newcastle to Suvarnabhumi flights

Top airline flying from Sydney to Don Mueang Intl

Discover the top airline that operate flights from Sydney to Don Mueang Intl. 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 15 janvier 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsia XCheapest$830Average$1,079FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Sydney to Don Mueang Intl?

Cheapflights makes it easy to find Sydney to Don Mueang Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Sydney to Don Mueang Intl?

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

Yes, we can. To see specific flights from Sydney to Don Mueang Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Sydney to Don Mueang Intl become cheaper?

Yes, Cheapflights offers price alerts on Sydney to Don Mueang Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.