
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $506 (Kiwi.com) |
One-way from | $242 (CheapOair) |
Popular in | December |
Cheapest in | October |
Average price | $750 |
Good round-trip deal | $863 or less |
Good one-way deal | $704 or less |
Fly from
Fly to
Route
Depart
Return
SydneyBangkok
SYD - BKK
SYDBKK
Sydney Kingsford Smith
Tue 10/13
10:50 am-4:40 pm
Nonstop9h 50m
Bangkok Suvarnabhumi
Wed 11/4
6:00 pm-7:35 am
Nonstop9h 35m
SydneyBangkok
SYD - BKK
SYDBKK
Sydney Kingsford Smith
Mon 11/9
10:20 am-4:10 pm
Nonstop9h 50m
Bangkok Suvarnabhumi
Sun 11/15
6:00 pm-7:35 am
Nonstop9h 35m
SydneyBangkok
SYD - BKK
SYDBKK
Sydney Kingsford Smith
Thu 9/10
9:50 am-4:40 pm
Nonstop9h 50m
Bangkok Suvarnabhumi
Sat 9/19
6:10 pm-6:25 am
Nonstop9h 15m
SydneyBangkok
SYD - BKK
SYDBKK
Sydney Kingsford Smith
Sat 8/29
9:50 am-4:40 pm
Nonstop9h 50m
Bangkok Suvarnabhumi
Tue 9/8
6:10 pm-6:25 am
Nonstop9h 15m
SydneyBangkok
SYD - BKK
SYDBKK
Sydney Kingsford Smith
Sat 11/7
10:20 am-4:10 pm
Nonstop9h 50m
Bangkok Suvarnabhumi
Thu 11/12
6:00 pm-7:35 am
Nonstop9h 35m
SydneyBangkok
SYD - BKK
SYDBKK
Sydney Kingsford Smith
Thu 9/10
9:50 am-4:40 pm
Nonstop9h 50m
Bangkok Suvarnabhumi
Sat 9/19
6:10 pm-6:25 am
Nonstop9h 15m
SydneyBangkok
SYD - BKK
SYDBKK
Sydney Kingsford Smith
Sun 6/14
10:05 am-12:20 pm
2 stops29h 15m
Bangkok Suvarnabhumi
Sat 6/20
7:50 am-12:35 pm
3 stops25h 45m
SydneyBangkok
SYD - BKK
SYDBKK
Sydney Kingsford Smith
Mon 7/27
9:50 am-4:40 pm
Nonstop9h 50m
Bangkok Suvarnabhumi
Mon 8/17
11:15 am-5:10 am
1 stop14h 55m
SydneyBangkok
SYD - BKK
SYDBKK
Sydney Kingsford Smith
Mon 9/7
9:50 am-4:40 pm
Nonstop9h 50m
Bangkok Suvarnabhumi
Thu 9/17
4:25 pm-6:45 am
1 stop11h 20m
SydneyBangkok
SYD - BKK
SYDBKK
Sydney Kingsford Smith
Thu 9/10
11:00 am-12:40 am
1 stop16h 40m
Bangkok Suvarnabhumi
Fri 9/18
2:25 am-8:00 am
3 stops26h 35m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
The best time to book flights from Sydney to Bangkok Suvarnabhumi Airport is 57 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, October is the cheapest month in which you can book a flight from Sydney to Bangkok Suvarnabhumi Airport (average of $617). Flying from Sydney to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of $1,004). 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.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sydney to Bangkok Suvarnabhumi Airport as you normally would.
About 16% of weekly flights between Sydney and Bangkok have experienced delays in the past year, with the average delay time being 102 minutes.
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Tuesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Thai Airways have had the lowest number of delays on this route, with just 11% of flights being delayed.
Singapore (SIN) – chosen by Cheapflights users on 69% of 1-stop itineraries from Sydney to Bangkok Suvarnabhumi Airport on Cheapflights.
Haikou (HAK) is the most affordable 1-stop option, with an average round-trip price of $488.
Flights via Kuala Lumpur (KUL) have the shortest average one-way travel time for 1-stop routes: 12h 48m.
Flights via Hong Kong (HKG) offer the fastest connection on this route, with an average layover time of 0h 55m.
Crew
Overall
Comfort
Entertainment
Food
Boarding
Reviews
Agata,Feb 2026
USM - DMK
Crew
Overall
Comfort
Entertainment
Food
Boarding
Reviews
Agata,Feb 2026
USM - DMK
Crew
Overall
Comfort
Entertainment
Food
Boarding
Reviews
Agata,Feb 2026
USM - DMK
Crew
Overall
Comfort
Entertainment
Food
Boarding
Reviews
Agata,Feb 2026
USM - DMK
Crew
Overall
Comfort
Entertainment
Food
Boarding
Reviews
Agata,Feb 2026
USM - DMK
Crew
Overall
Comfort
Entertainment
Food
Boarding
Reviews
Agata,Feb 2026
USM - DMK
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$239 | Average$491 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$304 | Average$401 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$645 | Average$851 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$657 | Average$745 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$682 | Average$812 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$714 | Average$741 | FlexibilityNo cancel fee | On-time75% |