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Cheap flights from Bangkok Don Mueang Intl Airport to Sydney from $294

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 24/5. Fares are subject to change and may not be available on all flights or dates of travel.
DMK — SYD
11 Jan — 18 Jan1
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 12 December 2025.

Sun 28/1208:35DMK - SYD
1 stop20h 40mMultiple Airlines
Mon 12/121:50SYD - DMK
1 stop24h 15mMultiple Airlines
Deal found 10/12$889
Sat 20/1206:40DMK - SYD
1 stop22h 35mMultiple Airlines
Sun 28/1221:50SYD - DMK
1 stop15h 30mMultiple Airlines
Deal found 10/12$928
Sun 28/1216:50DMK - SYD
1 stop12h 25mMultiple Airlines
Sat 3/121:50SYD - DMK
1 stop14h 00mMultiple Airlines
Deal found 12/12$945
Sat 20/1206:40DMK - SYD
1 stop22h 35mMultiple Airlines
Sat 3/121:50SYD - DMK
1 stop20h 50mMultiple Airlines
Deal found 10/12$946
Sun 28/1209:55DMK - SYD
1 stop19h 20mMultiple Airlines
Mon 29/1221:50SYD - DMK
1 stop22h 30mMultiple Airlines
Deal found 11/12$970
Mon 22/1216:50DMK - SYD
1 stop12h 25mMultiple Airlines
Sun 28/1210:45SYD - DMK
1 stop14h 00mMultiple Airlines
Deal found 11/12$972
Fri 26/1215:40DMK - SYD
1 stop12h 25mMultiple Airlines
Mon 5/121:50SYD - DMK
1 stop22h 30mMultiple Airlines
Deal found 10/12$975

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 12 December 2025.

Round-trip from

$840

One-way from

$294

Popular in

January

Cheapest in

July

Average price

$1,227

Good one-way deal

$705 or less
8/2-12/2
  • 8/2-12/2
  • 3 total stops
  • 34h 30m total
  • Bangkok to Sydney
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24/5
  • 24/5
  • 1 total stop
  • 20h 50m total
  • Bangkok to Sydney
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($170 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease ($44 potential savings vs. average return price).
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Average for round-trip flights in December 2025
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Price to beat on a one-way flight from Bangkok Don Mueang Intl to Sydney Kingsford Smith.
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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 12 December 2025.
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

Wed 4/2

12:10-07:25

1 stop15h 15m

Sydney Kingsford Smith

Thu 12/2

07:15-15:20

1 stop12h 05m

$847

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Fri 6/3

15:10-09:15

1 stop14h 05m

Sydney Kingsford Smith

Tue 17/3

21:50-16:20

1 stop22h 30m

$849

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Sun 1/2

12:05-06:15

2 stops14h 10m

Sydney Kingsford Smith

Wed 11/2

21:50-11:35

1 stop17h 45m

$883

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Wed 7/1

16:50-06:10

2 stops33h 20m

Sydney Kingsford Smith

Wed 21/1

10:45-19:10

1 stop12h 25m

$886

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Mon 12/1

20:15-06:15

2 stops30h 00m

Sydney Kingsford Smith

Mon 26/1

10:45-20:45

1 stop14h 00m

$921

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Tue 13/1

20:15-06:15

2 stops30h 00m

Sydney Kingsford Smith

Thu 22/1

10:45-19:10

1 stop12h 25m

$945

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Fri 26/12

08:40-06:50

2 stops18h 10m

Sydney Kingsford Smith

Mon 5/1

21:50-11:35

1 stop17h 45m

$978

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Sun 28/12

16:50-09:15

1 stop12h 25m

Sydney Kingsford Smith

Mon 29/12

22:10-19:10

2 stops25h 00m

$982

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Mon 2/3

12:10-06:15

1 stop14h 05m

Sydney Kingsford Smith

Thu 12/3

07:15-22:00

1 stop18h 45m

$1,003

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Sun 18/1

21:25-20:35

1 stop19h 10m

Sydney Kingsford Smith

Sat 31/1

10:45-20:45

1 stop14h 00m

$1,014

Flights are sorted by cheapest return flights first.

Deals found on 10/12

Showing 1-10 of 19 results
1
2

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

What is the cheapest time of day to fly from DMK to SYD?

Find hourly flight availability from Don Mueang Intl to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 December 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 42% on flights from Bangkok Don Mueang Intl Airport to Sydney by exploring options for tickets in the evening.

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 $715 for a flight from Bangkok Don Mueang Intl Airport to Sydney. The cheapest flight overall is $693 while the most popular route, (Bangkok Don Mueang Intl - Sydney Kingsford Smith) is currently priced at $575.

  • 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

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Katoomba
Penrith
Terrigal
Manly
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Lithgow
Coogee
Leura
Bondi Beach
Cronulla

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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

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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.

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