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Cheap flights from Bangkok Don Mueang Intl Airport to Sydney from $287

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 22/11. Fares are subject to change and may not be available on all flights or dates of travel.
DMK — SYD
12 Oct — 19 Oct1
1 adult
1 adult, Economy

Cheap 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 September 2025.

Round-trip from

$578

One-way from

$287

Popular in

January

Cheapest in

July

Average price

$1,080

Good one-way deal

$708 or less
10/11-17/11
  • 10/11-17/11
  • 3 total stops
  • 44h 55m total
  • Bangkok to Sydney
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22/11
  • 22/11
  • 2 total stops
  • 25h 25m total
  • Bangkok to Sydney
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Highest demand for flights based on searches. 3% potential increase in price ($61 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease ($34 potential savings vs. average return price).
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Average for round-trip flights in September 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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Find flight deals from Don Mueang Intl to Sydney

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 September 2025.

Mon 15/919:25DMK - SYD
1 stop32h 55mMultiple Airlines
Wed 15/1011:15SYD - DMK
1 stop16h 00mMultiple Airlines
Deal found 10/9$522
Thu 18/913:40DMK - SYD
1 stop14h 40mMultiple Airlines
Mon 22/910:15SYD - DMK
1 stop16h 00mMultiple Airlines
Deal found 11/9$558
Mon 22/913:40DMK - SYD
1 stop14h 40mMultiple Airlines
Fri 24/1011:15SYD - DMK
1 stop16h 00mMultiple Airlines
Deal found 10/9$579
Mon 22/913:40DMK - SYD
1 stop14h 40mMultiple Airlines
Tue 21/1011:15SYD - DMK
1 stop16h 00mMultiple Airlines
Deal found 10/9$581
Mon 22/913:40DMK - SYD
1 stop14h 40mMultiple Airlines
Wed 22/1011:15SYD - DMK
1 stop16h 00mMultiple Airlines
Deal found 10/9$584
Sun 9/1107:40DMK - SYD
1 stop20h 25mMultiple Airlines
Tue 11/1111:15SYD - DMK
1 stop12h 30mMultiple Airlines
Deal found 11/9$588
Sun 9/1115:40DMK - SYD
1 stop12h 25mMultiple Airlines
Wed 12/1111:15SYD - DMK
1 stop15h 55mMultiple Airlines
Deal found 11/9$590
Mon 10/1115:40DMK - SYD
1 stop12h 25mMultiple Airlines
Wed 12/1111:15SYD - DMK
1 stop15h 55mMultiple Airlines
Deal found 11/9$591
Mon 10/1115:40DMK - SYD
1 stop12h 25mMultiple Airlines
Tue 11/1111:15SYD - DMK
1 stop12h 30mMultiple Airlines
Deal found 11/9$593
Thu 11/919:25DMK - SYD
1 stop13h 00mMultiple Airlines
Mon 15/910:15SYD - DMK
1 stop16h 00mMultiple Airlines
Deal found 10/9$599

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 September 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

Tue 11/11

15:40-08:05

1 stop12h 25m

Sydney Kingsford Smith

Wed 12/11

11:15-23:10

1 stop15h 55m

$584

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Sun 9/11

07:40-08:05

1 stop20h 25m

Sydney Kingsford Smith

Tue 11/11

11:15-19:45

1 stop12h 30m

$588

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Sun 9/11

15:40-08:05

1 stop12h 25m

Sydney Kingsford Smith

Wed 12/11

11:15-23:10

1 stop15h 55m

$590

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Mon 10/11

15:40-08:05

1 stop12h 25m

Sydney Kingsford Smith

Tue 11/11

11:15-19:45

1 stop12h 30m

$593

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Tue 11/11

07:40-18:50

2 stops31h 10m

Sydney Kingsford Smith

Thu 13/11

20:05-23:10

2 stops31h 05m

$629

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Wed 12/11

15:40-08:05

1 stop12h 25m

Sydney Kingsford Smith

Sat 15/11

10:45-23:15

2 stops16h 30m

$638

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Thu 13/11

15:40-08:05

1 stop12h 25m

Sydney Kingsford Smith

Sat 15/11

10:45-23:15

2 stops16h 30m

$639

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Sun 9/11

15:40-08:05

1 stop12h 25m

Sydney Kingsford Smith

Sat 15/11

10:45-23:15

2 stops16h 30m

$644

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Mon 10/11

15:40-08:05

1 stop12h 25m

Sydney Kingsford Smith

Sat 15/11

10:45-23:15

2 stops16h 30m

$645

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Sun 9/11

15:40-08:05

1 stop12h 25m

Sydney Kingsford Smith

Thu 13/11

11:15-19:45

1 stop12h 30m

$660

Flights are sorted by cheapest return flights first.

Deals found on 11/9

Showing 1-10 of 21 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

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 September 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 11% on flights from Bangkok Don Mueang Intl Airport to Sydney by exploring options for tickets in the afternoon.

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 $718 for a flight from Bangkok Don Mueang Intl Airport to Sydney. The cheapest flight overall is $695 while the most popular route, (Bangkok Don Mueang Intl - Sydney Kingsford Smith) is currently priced at $555.

  • 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.

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

    Currently, May is the cheapest month in which you can book a flight from Bangkok Don Mueang Intl Airport to Sydney (average of $129). Flying from Bangkok Don Mueang Intl Airport to Sydney in October is currently the most expensive (average of $171). 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

Travelling to a place near Sydney?

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Parramatta
Wollongong
Katoomba
Penrith
Terrigal
Manly
Lithgow
Randwick
Bondi Beach
Coogee
Cronulla
Leura

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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.
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Don Mueang Intl to Coolangatta flights

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