Cheap flights from Sydney to Bangkok Don Mueang Intl Airport from $293

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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — DMK
6 Sep — 13 Sep1
1 adult

Cheapflights Tip: The best prices from Sydney Kingsford Smith to Bangkok Don Mueang Intl are usually found in May or June, booked 59 days in advance, depart on a Thursday or Tuesday and return on a Monday

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 1 September 2025.

Round-trip from

$535

One-way from

$298

Popular in

December

Cheapest in

May

Average price

$993
20/10-3/11
  • 20/10-3/11
  • 2 total stops
  • 36h 25m total
  • Sydney to Bangkok
8/11
  • 8/11
  • 1 total stop
  • 15h 55m total
  • Sydney to Bangkok
Highest demand for flights based on searches. 19% potential increase in price ($351 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($41 potential savings vs. average return price).
Average for round-trip flights in September 2025

Find flight deals from Sydney to Don Mueang Intl

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 1 September 2025.

Mon 20/1011:15SYD - DMK
1 stop16h 00mMultiple Airlines
Mon 3/1107:40DMK - SYD
1 stop20h 25mMultiple Airlines
Deal found 31/8$535
Mon 15/910:15SYD - DMK
1 stop16h 00mMultiple Airlines
Fri 19/907:30DMK - SYD
1 stop20h 50mMultiple Airlines
Deal found 1/9$538
Wed 3/910:15SYD - DMK
1 stop16h 00mMultiple Airlines
Mon 22/913:40DMK - SYD
1 stop14h 40mMultiple Airlines
Deal found 31/8$539
Wed 22/1011:15SYD - DMK
1 stop16h 00mMultiple Airlines
Thu 30/1007:40DMK - SYD
1 stop20h 25mMultiple Airlines
Deal found 31/8$558
Mon 8/910:15SYD - DMK
1 stop16h 00mMultiple Airlines
Fri 12/907:30DMK - SYD
1 stop20h 50mMultiple Airlines
Deal found 1/9$559
Fri 31/1011:15SYD - DMK
1 stop12h 30mMultiple Airlines
Tue 4/1115:40DMK - SYD
1 stop12h 25mMultiple Airlines
Deal found 1/9$565
Wed 3/910:15SYD - DMK
1 stop16h 00mMultiple Airlines
Sun 21/913:40DMK - SYD
1 stop14h 40mMultiple Airlines
Deal found 31/8$575
Mon 27/1011:15SYD - DMK
1 stop12h 30mMultiple Airlines
Wed 5/1119:25DMK - SYD
1 stop32h 40mMultiple Airlines
Deal found 31/8$576
Tue 7/1011:15SYD - DMK
1 stop16h 00mMultiple Airlines
Thu 30/1015:40DMK - SYD
1 stop12h 25mMultiple Airlines
Deal found 1/9$581
Tue 7/1011:15SYD - DMK
1 stop16h 00mMultiple Airlines
Mon 27/1015:40DMK - SYD
1 stop12h 25mMultiple Airlines
Deal found 1/9$584
Tue 2/910:15SYD - DMK
1 stop16h 00mMultiple Airlines
Tue 9/913:40DMK - SYD
1 stop14h 40mMultiple Airlines
Deal found 1/9$585
Fri 14/1110:45SYD - DMK
1 stop13h 45mMultiple Airlines
Mon 17/1107:40DMK - SYD
1 stop20h 25mMultiple Airlines
Deal found 1/9$598

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 1 September 2025.
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

Mon 20/10

11:15-23:15

1 stop16h 00m

Bangkok Don Mueang Intl

Mon 3/11

07:40-08:05

1 stop20h 25m

$535

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Wed 8/10

11:15-23:15

1 stop16h 00m

Bangkok Don Mueang Intl

Thu 30/10

15:40-08:05

1 stop12h 25m

$581

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Tue 7/10

11:15-23:15

1 stop16h 00m

Bangkok Don Mueang Intl

Thu 30/10

15:40-08:05

1 stop12h 25m

$581

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Tue 7/10

11:15-23:15

1 stop16h 00m

Bangkok Don Mueang Intl

Mon 27/10

15:40-08:05

1 stop12h 25m

$584

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Wed 17/9

10:15-23:15

1 stop16h 00m

Bangkok Don Mueang Intl

Fri 24/10

13:40-08:20

1 stop14h 40m

$608

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Thu 11/9

16:25-15:05

1 stop25h 40m

Bangkok Don Mueang Intl

Tue 16/9

13:40-07:20

1 stop14h 40m

$617

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Mon 13/10

21:25-01:15

2 stops31h 50m

Bangkok Don Mueang Intl

Tue 28/10

07:40-18:50

2 stops31h 10m

$619

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Fri 14/11

10:45-23:15

2 stops16h 30m

Bangkok Don Mueang Intl

Mon 17/11

07:40-08:05

1 stop20h 25m

$622

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Mon 23/2

21:50-08:05

1 stop14h 15m

Bangkok Don Mueang Intl

Mon 30/3

07:30-12:35

2 stops25h 05m

$630

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Fri 31/10

10:45-20:30

1 stop13h 45m

Bangkok Don Mueang Intl

Sun 16/11

21:35-20:35

1 stop19h 00m

$633

Flights are sorted by cheapest return flights first.

Deals found on 31/8

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

How far ahead should I book a flight from Sydney to Bangkok Don Mueang Intl Airport?

Use this chart to determine the optimal time to book a return flight from Sydney to Don Mueang Intl. Price data was last updated on 29 August 2025.

Booking 59 days in advance of your planned departure date is, on average, the best time to get cheap flights from Sydney to Bangkok Don Mueang Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 1 September 2025.

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 39% on the cost of your flight, compared to a flight in the morning.

How much does it cost for a return flight from Sydney to Bangkok Don Mueang Intl Airport?

Reviews of airlines servicing Don Mueang Intl

Get insights into the airlines that provide service to Don Mueang Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Don Mueang Intl. Reviews last updated 1 September 2025.
Read through reviews of airlines operating flights from Sydney to Bangkok Don Mueang Intl Airport, such as China Southern. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Food

7.3

Comfort

7.8

Entertainment

7.5

Overall

7.5

Crew

8.3

Boarding

8.0

Reviews

1 / 5
6.0
Good

Ebbi,Aug 2025

LAX - CAN

Boarding was nice the employees and the crew. They were very nice but the food maybe I don’t like it but it’s not international food. It’s more towards Chinese Tayst, which I do understand but that’s only complain. I have.

Food

7.3

Comfort

7.8

Entertainment

7.5

Overall

7.5

Crew

8.3

Boarding

8.0

Reviews

1 / 5
6.0
Good

Ebbi,Aug 2025

LAX - CAN

Boarding was nice the employees and the crew. They were very nice but the food maybe I don’t like it but it’s not international food. It’s more towards Chinese Tayst, which I do understand but that’s only complain. I have.

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 2 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.

  • What are the cheapest airlines flying 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 $554. Another airline that can offer you cheap pricing is Thai AirAsia X. Users have found that China Southern is 40% 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.

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.

Top 2 airlines flying from Sydney to Don Mueang Intl

Discover the top 2 airlines 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 1 September 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest$554Average$1,092FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Thai AirAsia XCheapest$586Average$1,042FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights

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

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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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