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Cheap flights from Bangkok Don Mueang Intl Airport to Sydney 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 25/3. Fares are subject to change and may not be available on all flights or dates of travel.
DMK — SYD
26 Feb — 5 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Don Mueang Intl to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Don Mueang Intl to Sydney
Explore the most affordable flight options available from Don Mueang Intl to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 January 2026.

Thu 9/707:45
DMK
-
SYD
2 stops20h 35m
Multiple Airlines
Wed 22/710:15
SYD
-
DMK
1 stop16h 00m
Multiple Airlines
Deal found 25/1$663
Fri 31/712:20
DMK
-
SYD
1 stop18h 25m
Multiple Airlines
Tue 18/810:15
SYD
-
DMK
1 stop16h 00m
Multiple Airlines
Deal found 25/1$675
Thu 10/911:20
DMK
-
SYD
2 stops18h 00m
Multiple Airlines
Thu 17/920:35
SYD
-
DMK
2 stops19h 50m
Multiple Airlines
Deal found 26/1$676
Mon 16/307:30
DMK
-
SYD
2 stops33h 05m
Multiple Airlines
Sun 22/320:05
SYD
-
DMK
2 stops30h 20m
Multiple Airlines
Deal found 24/1$679
Tue 17/306:45
DMK
-
SYD
2 stops33h 50m
Multiple Airlines
Fri 20/313:35
SYD
-
DMK
2 stops32h 45m
Multiple Airlines
Deal found 26/1$683
Mon 23/206:45
DMK
-
SYD
2 stops33h 50m
Multiple Airlines
Mon 2/321:50
SYD
-
DMK
2 stops29h 40m
Multiple Airlines
Deal found 25/1$688
Wed 6/506:15
DMK
-
SYD
1 stop20h 50m
Multiple Airlines
Thu 21/510:15
SYD
-
DMK
1 stop16h 00m
Multiple Airlines
Deal found 25/1$691
Wed 4/311:20
DMK
-
SYD
2 stops21h 00m
Multiple Airlines
Wed 11/321:50
SYD
-
DMK
2 stops19h 20m
Multiple Airlines
Deal found 26/1$692
Sat 25/407:40
DMK
-
SYD
2 stops32h 55m
Multiple Airlines
Mon 27/420:50
SYD
-
DMK
2 stops27h 20m
Multiple Airlines
Deal found 24/1$698
Sun 1/307:30
DMK
-
SYD
2 stops33h 05m
Multiple Airlines
Sat 14/320:05
SYD
-
DMK
2 stops31h 15m
Multiple Airlines
Deal found 25/1$701

Find flight deals from Don Mueang Intl to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Don Mueang Intl (DMK) to Sydney (SYD). 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 27 January 2026.

Round-trip from

$663

One-way from

$319

Popular in

January

Cheapest in

July

Average price

$1,393

Good one-way deal

$678 or less
9/7-22/7
  • 9/7-22/7
  • 3 total stops
  • 36h 35m total
  • Bangkok to Sydney
Search Deals
25/3
  • 25/3
  • 2 total stops
  • 24h 50m total
  • Bangkok to Sydney
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($176 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($41 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a one-way flight from Bangkok Don Mueang Intl to Sydney Kingsford Smith.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Don Mueang Intl to Sydney 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 27 January 2026.
Use the filters below to find and compare flights from Bangkok Don Mueang Intl Airport to Sydney that are best for you.

Fly from

Don Mueang Intl

Fly to

Sydney

Route

Depart

Return

Price

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Tue 17/3

06:45-20:35

2 stops33h 50m

Sydney Kingsford Smith

Fri 20/3

13:35-18:20

2 stops32h 45m

$683

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Tue 3/3

18:40-20:35

1 stop21h 55m

Sydney Kingsford Smith

Mon 16/3

21:50-07:50

1 stop14h 00m

$792

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Fri 12/6

13:10-08:20

1 stop16h 10m

Sydney Kingsford Smith

Fri 19/6

09:45-07:50

1 stop25h 05m

$795

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Thu 12/3

15:10-09:15

1 stop14h 05m

Sydney Kingsford Smith

Mon 23/3

21:50-07:50

1 stop14h 00m

$800

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Fri 20/3

16:30-12:20

2 stops15h 50m

Sydney Kingsford Smith

Sat 11/4

10:15-23:15

1 stop16h 00m

$811

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Fri 13/3

16:50-09:15

1 stop12h 25m

Sydney Kingsford Smith

Sat 9/5

09:45-20:55

1 stop14h 10m

$824

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Sun 1/3

21:25-20:35

1 stop19h 10m

Sydney Kingsford Smith

Mon 9/3

21:50-07:50

1 stop14h 00m

$845

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Fri 6/3

16:50-09:15

1 stop12h 25m

Sydney Kingsford Smith

Tue 17/3

21:50-07:50

1 stop14h 00m

$858

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Fri 10/7

15:15-08:20

1 stop14h 05m

Sydney Kingsford Smith

Fri 17/7

20:50-07:50

1 stop14h 00m

$912

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Mon 23/3

19:25-12:20

2 stops36h 55m

$321

Flights are sorted by cheapest return flights first.

Deals found on 26/1

Showing 1-10 of 19 results
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Best time to book a flight from Don Mueang Intl to Sydney

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

How often are flights from Bangkok to Sydney delayed?

About 80% of weekly flights between Bangkok and Sydney have experienced delays in the past year, with the average delay time being 92 minutes.

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

Historically, flights departing in the early afternoon 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?

Sunday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.

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

Over the past year, AirAsia X have had the lowest number of delays on this route, with just 80% of flights being delayed.

Related info for your journey

Find useful and relevant information for your journey from Don Mueang Intl to Sydney. 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 into for flights to Sydney from Bangkok Don Mueang Intl?

    Sydney Kingsford Smith (SYD), located 7.5 km from the city centre, is the airport you fly into when you book flights from Bangkok Don Mueang Intl to Sydney. 0 airlines have flights to Kingsford Smith from Bangkok Don Mueang Intl on a regular basis. Booking flights from Bangkok Don Mueang Intl to Sydney Kingsford Smith should not be difficult; the airport handles an average of 0 inbound flights from Bangkok Don Mueang Intl per day.

  • What are the cheapest flights from Bangkok Don Mueang Intl Airport to Sydney?

    On average you can expect to pay $688 for a flight from Bangkok Don Mueang Intl Airport to Sydney. The cheapest flight overall is $666 while the most popular route, (Bangkok Don Mueang Intl - Sydney Kingsford Smith) is currently priced at $623.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Don Mueang Intl to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Bondi Beach

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Alternative routes for Don Mueang Intl to Sydney

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

Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Don Mueang Intl to Sydney. 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 Don Mueang Intl to Sydney?

Cheapflights helps you find that perfect flight to Sydney from Don Mueang Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Don Mueang Intl to Sydney with no change fees?

Yes, we can. To see specific flights from Don Mueang Intl to Sydney 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 Don Mueang Intl to Sydney become cheaper?

Of course! You can now track prices for flights from Don Mueang Intl to Sydney and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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