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Cheap flights from Sydney to Bangkok Suvarnabhumi Airport from £161
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 20/1. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BKK
21 Nov — 28 Nov1
Cheapflights Tip: The best prices from Sydney Kingsford Smith to Bangkok Suvarnabhumi are usually found in February or May, booked 58 days in advance, depart on a Sunday or Friday and return on a Friday
Find flight deals from Sydney to Suvarnabhumi
Cheapest flights from Sydney to SuvarnabhumiExplore the most affordable flight options available from Sydney to Suvarnabhumi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 October 2025.
Explore the most affordable flight options available from Sydney to Suvarnabhumi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 October 2025.
Thu 23/1013:50SYD - BKK
1 stop22h 15mScoot
Sun 15/309:15BKK - SYD
1 stop29h 35mScoot
Deal found 21/10£278
Tue 4/1114:20SYD - BKK
1 stop21h 55mScoot
Sun 9/1109:15BKK - SYD
1 stop23h 50mScoot
Deal found 22/10£294
Mon 17/1114:20SYD - BKK
1 stop21h 55mMultiple Airlines
Thu 27/1101:45BKK - SYD
1 stop28h 40mMultiple Airlines
Deal found 21/10£297
Mon 17/1120:05SYD - BKK
1 stop16h 10mMultiple Airlines
Sun 23/1101:45BKK - SYD
1 stop28h 40mMultiple Airlines
Deal found 20/10£298
Tue 4/1120:05SYD - BKK
1 stop18h 45mMultiple Airlines
Sat 8/1101:45BKK - SYD
1 stop28h 40mMultiple Airlines
Deal found 22/10£318
Thu 23/1021:25SYD - BKK
1 stop14h 40mMultiple Airlines
Sat 14/302:10BKK - SYD
1 stop14h 10mMultiple Airlines
Deal found 21/10£328
Sat 15/1112:30SYD - BKK
1 stop26h 45mXiamenAir
Wed 26/1101:45BKK - SYD
1 stop28h 40mXiamenAir
Deal found 19/10£330
Sun 16/1112:30SYD - BKK
1 stop16h 15mXiamenAir
Thu 27/1112:15BKK - SYD
1 stop18h 10mXiamenAir
Deal found 20/10£338
Cheap flight deals from Sydney to Suvarnabhumi
Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Suvarnabhumi (BKK). 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 22 October 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Sydney to Suvarnabhumi 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 858,174 searches. Data last updated 22 October 2025.
Use the filters below to find and compare flights from Sydney to Bangkok Suvarnabhumi Airport that are best for you.
Fly from
Sydney
Fly to
Suvarnabhumi
Route
Depart
Return
Price
SydneyBangkok
SYD - BKK
SYDBKK
Sydney Kingsford Smith
Sat 15/11
22:15-13:25
1 stop19h 10m
Bangkok Suvarnabhumi
Thu 27/11
11:05-07:55
1 stop16h 50m
£460
SydneyBangkok
SYD - BKK
SYDBKK
Sydney Kingsford Smith
Sun 2/11
22:15-14:10
1 stop19h 55m
Bangkok Suvarnabhumi
Fri 28/11
05:40-07:55
1 stop22h 15m
£468
SydneyBangkok
SYD - BKK
SYDBKK
Sydney Kingsford Smith
Fri 7/11
22:15-16:05
1 stop21h 50m
Bangkok Suvarnabhumi
Sun 16/11
08:45-07:55
1 stop19h 10m
£468
SydneyBangkok
SYD - BKK
SYDBKK
Sydney Kingsford Smith
Mon 10/11
22:10-09:50
1 stop15h 40m
Bangkok Suvarnabhumi
Sat 22/11
02:35-12:15
1 stop29h 40m
£521
SydneyBangkok
SYD - BKK
SYDBKK
Sydney Kingsford Smith
Thu 12/3
10:20-16:10
Nonstop9h 50m
Bangkok Suvarnabhumi
Mon 16/3
18:00-07:35
Nonstop9h 35m
£530
SydneyBangkok
SYD - BKK
SYDBKK
Sydney Kingsford Smith
Mon 9/3
10:20-16:10
Nonstop9h 50m
Bangkok Suvarnabhumi
Thu 19/3
18:00-07:35
Nonstop9h 35m
£531
SydneyBangkok
SYD - BKK
SYDBKK
Sydney Kingsford Smith
Mon 9/3
10:20-16:10
Nonstop9h 50m
Bangkok Suvarnabhumi
Thu 19/3
18:00-07:35
Nonstop9h 35m
£531
SydneyBangkok
SYD - BKK
SYDBKK
Sydney Kingsford Smith
Sun 1/2
10:20-16:10
Nonstop9h 50m
Bangkok Suvarnabhumi
Tue 17/2
18:00-07:35
Nonstop9h 35m
£549
SydneyBangkok
SYD - BKK
SYDBKK
Sydney Kingsford Smith
Fri 20/3
10:20-16:10
Nonstop9h 50m
Bangkok Suvarnabhumi
Sat 28/3
18:00-07:35
Nonstop9h 35m
£569
SydneyBangkok
SYD - BKK
SYDBKK
Sydney Kingsford Smith
Fri 20/2
10:20-16:10
Nonstop9h 50m
Bangkok Suvarnabhumi
Fri 27/2
18:00-07:35
Nonstop9h 35m
£569
Showing 1-10 of 23 results
Best time to book a flight from Sydney to Suvarnabhumi
Have a flexible travel schedule? Discover the best time to fly to Suvarnabhumi 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 Suvarnabhumi Airport
Prices
Delays
More
How far ahead should I book a flight from Sydney to Bangkok Suvarnabhumi Airport?
Use this chart to determine the optimal time to book a return flight from Sydney to Suvarnabhumi. Price data was last updated on 17 October 2025.
To ensure you get the cheapest price possible for a flight from Sydney to Bangkok Suvarnabhumi Airport, you should look to book at least 58 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Sydney to Bangkok Suvarnabhumi Airport?
Currently, May is the cheapest month in which you can book a flight from Sydney to Bangkok Suvarnabhumi Airport (average of £218). Flying from Sydney to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of £408). 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.
What is the cheapest time of day to fly from SYD to BKK?
Find hourly flight availability from Sydney to Suvarnabhumi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 October 2025.
One of the essential ways to save on airfare from Sydney to Bangkok Suvarnabhumi Airport is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the evening could potentially save you up to 60% on airfare.
How often are flights from Sydney to Bangkok delayed?
About 16% of weekly flights between Sydney and Bangkok have experienced delays in the past year, with the average delay time being 96 minutes.
What is the most punctual flight time for Sydney to Bangkok flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
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.
Which airline has the best punctuality record on Sydney to Bangkok flights?
Over the past year, Qantas Airways have had the lowest number of delays on this route, with no flights being classified as delayed.
What’s the top stopover airport for flights from Sydney to Bangkok Suvarnabhumi Airport?
Share of one-stop return flights from Sydney to Bangkok Suvarnabhumi Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Singapore (SIN) – chosen by Cheapflights users on 59% of one-stop itineraries from Sydney to Bangkok Suvarnabhumi Airport on Cheapflights.
What’s the fastest stopover option from Sydney to Bangkok Suvarnabhumi Airport?
Shortest average travel time for one-stop one-way flights from Sydney to Bangkok Suvarnabhumi Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Manila (MNL) have the shortest average one-way travel time for one-stop routes: 13h 15m.
What’s the fastest stopover option from Sydney to Bangkok Suvarnabhumi Airport?
Shortest average travel time for one-stop one-way flights from Sydney to Bangkok Suvarnabhumi Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Manila (MNL) have the shortest average one-way travel time for one-stop routes: 13h 15m.
Which airport typically offers the quickest stopover for flights from Sydney to Bangkok Suvarnabhumi Airport?
Average stopover duration for one-stop one-way flights from Sydney to Bangkok Suvarnabhumi Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Guangzhou (CAN) offer the fastest connection on this route, with an average stopover time of 1h 52m.
Reviews of airlines servicing Suvarnabhumi
Get insights into the airlines that provide service to Suvarnabhumi. 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 Suvarnabhumi. Reviews last updated 22 October 2025.
Get a feel of what it's like to fly with Emirates, Thai Airways, andQantas Airways from Sydney to Bangkok Suvarnabhumi Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.9
Crew
8.3
Entertainment
8.2
Comfort
8.0
Overall
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Aug 2025
CEB - CRK
Boarding
8.1
Food
7.9
Crew
8.3
Entertainment
8.2
Comfort
8.0
Overall
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Aug 2025
CEB - CRK
Boarding
8.1
Food
7.9
Crew
8.3
Entertainment
8.2
Comfort
8.0
Overall
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Aug 2025
CEB - CRK
Boarding
8.1
Food
7.9
Crew
8.3
Entertainment
8.2
Comfort
8.0
Overall
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Aug 2025
CEB - CRK
Boarding
8.1
Food
7.9
Crew
8.3
Entertainment
8.2
Comfort
8.0
Overall
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Aug 2025
CEB - CRK
Boarding
8.1
Food
7.9
Crew
8.3
Entertainment
8.2
Comfort
8.0
Overall
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Aug 2025
CEB - CRK
Related info for your journey
Find useful and relevant information for your journey from Sydney to Suvarnabhumi. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near Bangkok Suvarnabhumi Airport?
Book flights to Bangkok Suvarnabhumi Airport if you plan to visit one of these locationsCha-am
Chonburi
Ayutthaya
Ko Samet
Ko Lan
Browse thousands of different options on Cheapflights for your next trip
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Complete your trip
Complete your trip to Suvarnabhumi by adding a car hire and/or hotel booking to your travel itinerary.
Top 5 airlines flying from Sydney to Suvarnabhumi
Discover the top 5 airlines that operate flights from Sydney to Suvarnabhumi. 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 858,174 searches. Data last updated 22 October 2025.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Sydney to Suvarnabhumi?
Deals for Sydney to Suvarnabhumi flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Sydney to Suvarnabhumi?
Cheapflights simply makes it quick and affordable to book flights from Sydney to Suvarnabhumi by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Sydney to Suvarnabhumi with no change fees?
Need flexible booking options for your flight to Suvarnabhumi from Sydney? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Sydney to Suvarnabhumi become cheaper?
Not ready to book yet? You can track prices for flights from Sydney to Suvarnabhumi on Cheapflights with our Price Alert feature and get notified when better prices are available.