Thai Airways offers great food on long-haul flights, with delicious Thai dishes like curry and pad thai.
Thai Airways' Royal Silk class offers a cost-effective fare with comfortable seats and attentive service.
Round-trip from | $331 (Booking.com) |
---|---|
One-way from | $176 (Gotogate) |
Popular in | December |
Cheapest in | February |
Average price | $605 |
Good round-trip deal | $737 or less |
Good one-way deal | $385 or less |
Fly from
Fly to
Route
Depart
Return
Price
SydneyBangkok
SYD - BKK
SYDBKK
Sydney Kingsford Smith
Sat 11/15
8:05 pm-7:00 pm
1 stop26h 55m
Bangkok Suvarnabhumi
Mon 12/15
8:05 pm-8:05 am
1 stop32h 00m
SydneyBangkok
SYD - BKK
SYDBKK
Sydney Kingsford Smith
Thu 10/30
11:25 am-5:55 pm
1 stop34h 30m
Bangkok Suvarnabhumi
Wed 11/19
2:10 am-8:20 pm
1 stop14h 10m
SydneyBangkok
SYD - BKK
SYDBKK
Sydney Kingsford Smith
Mon 10/20
12:25 pm-11:15 am
1 stop26h 50m
Bangkok Suvarnabhumi
Sun 11/2
1:35 am-2:55 pm
1 stop33h 20m
SydneyBangkok
SYD - BKK
SYDBKK
Sydney Kingsford Smith
Sun 10/19
7:05 pm-2:20 pm
1 stop23h 15m
Bangkok Suvarnabhumi
Sun 11/23
9:35 am-7:40 am
1 stop18h 05m
SydneyBangkok
SYD - BKK
SYDBKK
Sydney Kingsford Smith
Wed 10/1
11:20 am-1:55 am
1 stop17h 35m
Bangkok Suvarnabhumi
Mon 10/20
2:00 am-10:50 am
1 stop28h 50m
SydneyBangkok
SYD - BKK
SYDBKK
Sydney Kingsford Smith
Mon 10/6
12:15 pm-1:50 am
1 stop17h 35m
Bangkok Suvarnabhumi
Sun 11/9
4:00 am-10:45 am
1 stop26h 45m
SydneyBangkok
SYD - BKK
SYDBKK
Sydney Kingsford Smith
Tue 8/26
10:10 pm-2:30 pm
1 stop19h 20m
Bangkok Suvarnabhumi
Wed 9/17
4:40 pm-10:00 am
1 stop14h 20m
SydneyBangkok
SYD - BKK
SYDBKK
Sydney Kingsford Smith
Wed 8/27
1:05 pm-11:05 pm
1 stop13h 00m
Bangkok Suvarnabhumi
Mon 9/15
6:40 pm-10:00 am
1 stop12h 20m
SydneyBangkok
SYD - BKK
SYDBKK
Sydney Kingsford Smith
Wed 8/27
1:05 pm-11:05 pm
1 stop13h 00m
Bangkok Suvarnabhumi
Thu 9/18
9:05 am-6:35 am
1 stop18h 30m
SydneyBangkok
SYD - BKK
SYDBKK
Sydney Kingsford Smith
Tue 8/26
10:10 pm-2:30 pm
1 stop19h 20m
Bangkok Suvarnabhumi
Mon 9/15
4:40 pm-10:00 am
1 stop14h 20m
The best time to book flights from Sydney to Bangkok Suvarnabhumi Airport is 58 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, September is the cheapest month in which you can book a flight from Sydney to Bangkok Suvarnabhumi Airport (average of $938). Flying from Sydney to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of $1,552). 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.
A simple way to save on the total cost of your ticket is to fly from Sydney to Bangkok Suvarnabhumi Airport in the evening. If you’re flexible enough to do this you can expect to save up to 58% on your trip compared to booking a flight at noon.
Travelers seeking maximum savings on their Sydney to Bangkok Suvarnabhumi Airport flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from SYD to BKK are scheduled on a Monday (18 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 on average).
Singapore (SIN) – chosen by Cheapflights users on 70% of 1-stop itineraries from Sydney to Bangkok Suvarnabhumi Airport on Cheapflights.
Singapore (SIN) is the most affordable 1-stop option, with an average round-trip price of $431.
Flights via Kuala Lumpur (KUL) have the shortest average one-way travel time for 1-stop routes: 14h 14m.
Flights via Guangzhou (CAN) offer the fastest connection on this route, with an average layover time of 1h 52m.
Boarding
Entertainment
Comfort
Overall
Crew
Food
Reviews
Anonymous,Aug 2025
CEB - CRK
Boarding
Entertainment
Comfort
Overall
Crew
Food
Reviews
Anonymous,Aug 2025
CEB - CRK
Boarding
Entertainment
Comfort
Overall
Crew
Food
Reviews
Anonymous,Aug 2025
CEB - CRK
Boarding
Entertainment
Comfort
Overall
Crew
Food
Reviews
Anonymous,Aug 2025
CEB - CRK
Boarding
Entertainment
Comfort
Overall
Crew
Food
Reviews
Anonymous,Aug 2025
CEB - CRK
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Cheapest$291 | Average$372 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$391 | Average$630 | FlexibilityNo cancel fee | On-time69% | |
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Cheapest$468 | Average$736 | FlexibilityNo cancel fee | On-time67% | |
Cheapest$525 | Average$781 | FlexibilityNo cancel fee | On-time81% | |
Cheapest$600 | Average$900 | FlexibilityNo cancel fee | On-time74% | |
Cheapest$629 | Average$802 | FlexibilityNo cancel fee | On-time77% | |
Cheapest$631 | Average$686 | FlexibilityNo cancel fee | On-time74% | |
Cheapest$631 | Average$762 | FlexibilityNo cancel fee | On-time75% |