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Cheap flights from Sydney to Bangkok Don Mueang Intl Airport from $319

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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — DMK
4 Mar — 11 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap 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 2 February 2026.

Thu 21/510:15
SYD
-
DMK
1 stop16h 00m
Multiple Airlines
Sun 24/507:30
DMK
-
SYD
1 stop20h 50m
Multiple Airlines
Deal found 1/2$583
Tue 19/510:15
SYD
-
DMK
1 stop16h 00m
Multiple Airlines
Wed 27/513:40
DMK
-
SYD
1 stop14h 40m
Multiple Airlines
Deal found 1/2$586
Sun 26/409:45
SYD
-
DMK
2 stops16h 55m
Multiple Airlines
Tue 2/607:30
DMK
-
SYD
1 stop20h 50m
Multiple Airlines
Deal found 30/1$606
Thu 28/510:15
SYD
-
DMK
1 stop16h 00m
Multiple Airlines
Sun 28/616:25
DMK
-
SYD
2 stops24h 10m
Multiple Airlines
Deal found 31/1$627
Wed 9/910:15
SYD
-
DMK
1 stop16h 00m
Multiple Airlines
Mon 21/912:00
DMK
-
SYD
1 stop15h 05m
Multiple Airlines
Deal found 1/2$637
Thu 6/810:15
SYD
-
DMK
1 stop16h 00m
Multiple Airlines
Mon 17/813:40
DMK
-
SYD
1 stop14h 40m
Multiple Airlines
Deal found 30/1$642
Thu 28/510:15
SYD
-
DMK
1 stop16h 00m
Multiple Airlines
Mon 31/806:15
DMK
-
SYD
1 stop20h 50m
Multiple Airlines
Deal found 1/2$650
Wed 22/413:00
SYD
-
DMK
1 stop13h 00m
Multiple Airlines
Wed 27/513:40
DMK
-
SYD
1 stop14h 40m
Multiple Airlines
Deal found 30/1$655
Wed 9/910:15
SYD
-
DMK
1 stop16h 00m
Multiple Airlines
Tue 22/916:25
DMK
-
SYD
2 stops16h 20m
Multiple Airlines
Deal found 1/2$663

Find 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 2 February 2026.

Round-trip from

$583

One-way from

$319

Popular in

September

Cheapest in

August

Average price

$1,127
21/5-24/5
  • 21/5-24/5
  • 2 total stops
  • 36h 50m total
  • Sydney to Bangkok
Search Deals
4/2
  • 4/2
  • 1 total stop
  • 15h 55m total
  • Sydney to Bangkok
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($42 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($71 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 2 February 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

Sat 14/3

11:15-19:45

1 stop12h 30m

Bangkok Don Mueang Intl

Sat 28/3

16:00-12:45

2 stops16h 45m

$698

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Fri 13/3

11:15-19:45

1 stop12h 30m

Bangkok Don Mueang Intl

Sun 15/3

07:00-12:20

2 stops25h 20m

$709

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Tue 3/3

13:35-23:00

1 stop13h 25m

Bangkok Don Mueang Intl

Tue 10/3

16:30-12:20

2 stops15h 50m

$769

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Thu 12/3

13:35-22:10

1 stop12h 35m

Bangkok Don Mueang Intl

Tue 24/3

16:30-12:20

2 stops15h 50m

$781

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Fri 6/3

10:45-07:50

1 stop25h 05m

Bangkok Don Mueang Intl

Mon 9/3

21:25-20:35

1 stop19h 10m

$811

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Thu 26/2

11:15-19:45

1 stop12h 30m

Bangkok Don Mueang Intl

Wed 11/3

17:50-10:40

1 stop12h 50m

$811

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Fri 27/2

10:45-07:50

1 stop25h 05m

Bangkok Don Mueang Intl

Mon 16/3

21:25-20:35

1 stop19h 10m

$811

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Mon 16/3

21:50-07:50

1 stop14h 00m

Bangkok Don Mueang Intl

Thu 2/4

15:15-09:20

1 stop14h 05m

$815

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Thu 5/3

13:35-22:10

1 stop12h 35m

Bangkok Don Mueang Intl

Mon 9/3

12:10-06:15

1 stop14h 05m

$815

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Sun 8/3

10:45-19:10

1 stop12h 25m

Bangkok Don Mueang Intl

Sat 14/3

15:10-09:15

1 stop14h 05m

$815

Flights are sorted by cheapest return flights first.

Deals found on 1/2

Showing 1-10 of 22 results
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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 $431). Flying from Sydney to Bangkok Don Mueang Intl Airport in September is currently the most expensive (average of $1,434). 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 2 February 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 33% 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 0 airlines have 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.

  • 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 $431). Flying from Sydney to Bangkok Don Mueang Intl Airport in September is currently the most expensive (average of $1,434). 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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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
Newcastle to Suvarnabhumi flights
Coolangatta to Don Mueang Intl 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.

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