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Cheap flights from Sydney to Bangkok Don Mueang Intl Airport from $280

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 15/5. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — DMK
20 Apr — 27 Apr1
1 adult

Cheapflights Tip: The best prices from Sydney Kingsford Smith to Bangkok Don Mueang Intl are usually found in May or March, booked 82 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 15 April 2025.

Round-trip from

$511

One-way from

$280

Popular in

June

Cheapest in

May

Average price

$1,059
12/10-28/10
  • 12/10-28/10
  • 2 total stops
  • 27h 55m total
  • Sydney to Bangkok
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15/5
  • 15/5
  • 2 total stops
  • 36h 25m total
  • Sydney to Bangkok
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($39 potential savings vs. average return price).
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Average for round-trip flights in April 2025
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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 15 April 2025.

Sun 12/1010:15SYD - DMK
1 stop13h 35mMultiple Airlines
Tue 28/1014:55DMK - SYD
1 stop14h 20mMultiple Airlines
Deal found 14/4$511

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 15 April 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

Wed 14/5

09:15-09:30

1 stop27h 15m

Bangkok Don Mueang Intl

Tue 20/5

08:35-07:50

1 stop20h 15m

$513

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Thu 15/5

08:10-17:35

2 stops36h 25m

$280

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Wed 30/4

08:05-19:15

2 stops38h 10m

$713

Flights are sorted by cheapest return flights first.

Deals found on 14/4

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 11 April 2025.

Booking 82 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 15 April 2025.

It’s optimal to fly from Sydney to Bangkok Don Mueang Intl Airport at midday. By choosing this option you can save up to 41% on the cost of your flight, compared to a flight in the afternoon.

Rainfall in Don Mueang Intl by month

Plan your trip to Don Mueang Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Bangkok Don Mueang Intl Airport ranges from 10.0 - 320.0 inches per month. September is typically the wettest month, when rainfall can reach 320.0 mm. January is typically the driest time to visit Bangkok Don Mueang Intl Airport when rainfall is around 10.0 mm.

Temperature in Don Mueang Intl by month

Plan your trip to Don Mueang Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Bangkok Don Mueang Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.0 C).

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 15 April 2025.
Batik Air
6.0
Okay
70 reviews
Check prices

Boarding

6.6

Comfort

6.3

Crew

6.9

Food

5.2

Entertainment

4.8

Overall

6.0

Reviews

1 / 4
2.0
Mediocre

MIA,Feb 2025

KUL - JHB

I had an extremely disappointing experience with Batik Air on my recent flight from Kuala Lumpur to Johor Bahru. Despite arriving at the boarding gate 20 minutes before the scheduled departure, I was not allowed to board the flight. What made the situation even more frustrating was that I could still see cabin crew moving in and out of the aircraft, and luggage was still being loaded. I attempted to get the attention of the staff at the gate, but instead of assisting me, one male and one female staff member simply ran off without providing any explanation. The female staff member disappeared, while the male staff member ignored my questions, took a piece of paper, and ran into the cabin. I waited for around 15 minutes before he finally returned, only to inform me that the flight had already departed. I was not the only passenger who was denied boarding despite arriving before departure time. If the flight crew was still able to enter and exit the aircraft, I don’t understand why passengers in a similar situation were not allowed to board. The lack of communication and professionalism from the staff was incredibly disappointing. I hope Batik Air addresses these operational and customer service issues to prevent similar experiences for future passengers.
Batik Air
6.0
Okay
70 reviews
Batik Air
6.0
Okay
70 reviews
Check prices

Boarding

6.6

Comfort

6.3

Crew

6.9

Food

5.2

Entertainment

4.8

Overall

6.0

Reviews

1 / 4
2.0
Mediocre

MIA,Feb 2025

KUL - JHB

I had an extremely disappointing experience with Batik Air on my recent flight from Kuala Lumpur to Johor Bahru. Despite arriving at the boarding gate 20 minutes before the scheduled departure, I was not allowed to board the flight. What made the situation even more frustrating was that I could still see cabin crew moving in and out of the aircraft, and luggage was still being loaded. I attempted to get the attention of the staff at the gate, but instead of assisting me, one male and one female staff member simply ran off without providing any explanation. The female staff member disappeared, while the male staff member ignored my questions, took a piece of paper, and ran into the cabin. I waited for around 15 minutes before he finally returned, only to inform me that the flight had already departed. I was not the only passenger who was denied boarding despite arriving before departure time. If the flight crew was still able to enter and exit the aircraft, I don’t understand why passengers in a similar situation were not allowed to board. The lack of communication and professionalism from the staff was incredibly disappointing. I hope Batik Air addresses these operational and customer service issues to prevent similar experiences for future passengers.

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 3 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.

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.
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Coolangatta to Suvarnabhumi flights
Coolangatta to Don Mueang Intl flights
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Top 3 airlines flying from Sydney to Don Mueang Intl

Discover the top 3 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 15 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsia XCheapest$609Average$1,093FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights
Cathay PacificCheapest$927Average$1,028FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Thai AirwaysCheapest$971Average$1,506FlexibilityNo cancel feeOn-time77%
Search Thai Airways 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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