Cheap flights from Sydney to Bangkok Suvarnabhumi Airport from $325

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 14/1. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BKK
4 Jan — 11 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Sydney Kingsford Smith to Bangkok Suvarnabhumi are usually found in October or May, booked 58 days in advance, depart on a Wednesday or Monday and return on a Sunday

Cheap flight deals from Sydney to Suvarnabhumi

Enter your travel dates to find the best prices.

Cheapest flights from Sydney to Suvarnabhumi
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 5 December 2025.

Mon 8/1221:00SYD - BKK
1 stop25h 05mMultiple Airlines
Mon 22/1220:05BKK - SYD
1 stop32h 00mMultiple Airlines
Deal found 3/12$907
Mon 15/1219:40SYD - BKK
1 stop26h 25mMultiple Airlines
Wed 27/515:45BKK - SYD
1 stop12h 35mMultiple Airlines
Deal found 4/12$912
Mon 8/1221:00SYD - BKK
1 stop17h 05mHainan Airlines
Mon 15/1219:10BKK - SYD
1 stop15h 45mHainan Airlines
Deal found 3/12$916
Wed 17/1219:40SYD - BKK
1 stop18h 25mHainan Airlines
Sun 21/1219:10BKK - SYD
1 stop16h 10mHainan Airlines
Deal found 3/12$919
Fri 5/1220:05SYD - BKK
1 stop30h 05mScoot
Thu 25/1218:25BKK - SYD
1 stop20h 25mScoot
Deal found 3/12$923
Fri 5/1220:05SYD - BKK
1 stop27h 00mScoot
Mon 22/1209:15BKK - SYD
1 stop23h 05mScoot
Deal found 2/12$971
Fri 5/1220:05SYD - BKK
1 stop27h 00mMultiple Airlines
Mon 15/1219:10BKK - SYD
1 stop15h 45mMultiple Airlines
Deal found 2/12$977
Mon 8/1213:35SYD - BKK
1 stop33h 30mScoot
Tue 23/1209:15BKK - SYD
1 stop23h 05mScoot
Deal found 3/12$1,010
Thu 11/1210:00SYD - BKK
Nonstop9h 25mMultiple Airlines
Thu 25/1219:10BKK - SYD
1 stop16h 10mMultiple Airlines
Deal found 3/12$1,024
Tue 23/1219:40SYD - BKK
1 stop26h 25mMultiple Airlines
Mon 29/1222:55BKK - SYD
1 stop15h 55mMultiple Airlines
Deal found 3/12$1,028
Fri 5/1207:15SYD - BKK
3 stops18h 55mMultiple Airlines
Thu 25/1217:00BKK - SYD
1 stop15h 20mMultiple Airlines
Deal found 3/12$1,037
Sat 6/1207:15SYD - BKK
3 stops18h 50mMultiple Airlines
Sat 13/1220:05BKK - SYD
1 stop32h 00mMultiple Airlines
Deal found 4/12$1,047

Find 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 5 December 2025.

Round-trip from

$585

One-way from

$325

Popular in

December

Cheapest in

October

Average price

$1,464

Good round-trip deal

$1,258 or less

Good one-way deal

$740 or less
Scoot
  • Scoot
  • 3/3-9/3
  • 2 total stops
  • 28h 15m total
  • Sydney to Bangkok
Scoot
  • Scoot
  • 14/1
  • 1 total stop
  • 23h 55m total
  • Sydney to Bangkok
Highest demand for flights based on searches. 16% potential increase in price ($300 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease ($61 potential savings vs. average return price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from Sydney Kingsford Smith to Bangkok Suvarnabhumi.
Price to beat on a one-way flight from Sydney Kingsford Smith to Bangkok Suvarnabhumi.

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 647,157 searches. Data last updated 5 December 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

Tue 24/2

10:20-16:10

Nonstop9h 50m

Bangkok Suvarnabhumi

Mon 9/3

18:00-07:35

Nonstop9h 35m

$1,083

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Mon 2/3

10:20-16:10

Nonstop9h 50m

Bangkok Suvarnabhumi

Wed 11/3

18:00-07:35

Nonstop9h 35m

$1,083

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Tue 20/1

12:45-13:10

1 stop28h 25m

Bangkok Suvarnabhumi

Wed 28/1

14:15-09:55

1 stop15h 40m

$1,142

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Fri 23/1

12:45-13:10

1 stop28h 25m

Bangkok Suvarnabhumi

Thu 29/1

14:15-10:45

1 stop16h 30m

$1,143

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Tue 3/2

12:45-13:10

1 stop28h 25m

Bangkok Suvarnabhumi

Sat 14/2

14:15-10:45

1 stop16h 30m

$1,151

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Sat 14/2

10:20-16:10

Nonstop9h 50m

Bangkok Suvarnabhumi

Sat 28/2

18:00-07:35

Nonstop9h 35m

$1,161

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Fri 16/1

12:45-13:10

1 stop28h 25m

Bangkok Suvarnabhumi

Wed 28/1

14:15-09:55

1 stop15h 40m

$1,166

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Sat 7/3

10:20-16:10

Nonstop9h 50m

Bangkok Suvarnabhumi

Sat 4/4

18:10-07:25

Nonstop9h 15m

$1,168

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Mon 2/2

10:25-19:20

1 stop12h 55m

Bangkok Suvarnabhumi

Thu 12/2

18:40-10:20

1 stop11h 40m

$1,198

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Mon 2/2

11:15-14:05

2 stops30h 50m

Bangkok Suvarnabhumi

Sat 28/2

20:05-08:05

1 stop32h 00m

$1,214

Flights are sorted by cheapest return flights first.

Deals found on 4/12

Showing 1-10 of 24 results
1
2
3

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

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 28 November 2025.

Booking 58 days in advance of your planned departure date is, on average, the best time to get cheap flights from Sydney to Bangkok Suvarnabhumi 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 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 $442). Flying from Sydney to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of $871). 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 5 December 2025.

It’s optimal to fly from Sydney to Bangkok Suvarnabhumi Airport in the evening. By choosing this option you can save up to 54% on the cost of your flight, compared to a flight at midday.

What is the cheapest day to fly from Sydney to Bangkok Suvarnabhumi Airport?

Use this chart to determine the cheapest time to fly return from Sydney to Suvarnabhumi. Price data was last updated on 29 November 2025.

Travellers 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 midday flights should be avoided if possible as fares are typically the most expensive at this time.

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 5 December 2025.
Read reviews from past customers who have flown with Singapore Airlines, Thai Airways, andQantas Airways from Sydney to Bangkok Suvarnabhumi Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.1

Food

7.8

Boarding

8.3

Crew

8.6

Comfort

8.0

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

Overall

8.1

Food

7.8

Boarding

8.3

Crew

8.6

Comfort

8.0

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

Overall

8.1

Food

7.8

Boarding

8.3

Crew

8.6

Comfort

8.0

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

Overall

8.1

Food

7.8

Boarding

8.3

Crew

8.6

Comfort

8.0

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

Overall

8.1

Food

7.8

Boarding

8.3

Crew

8.6

Comfort

8.0

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

Overall

8.1

Food

7.8

Boarding

8.3

Crew

8.6

Comfort

8.0

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

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.
  • What airport do you fly from for flights from Sydney to Bangkok Suvarnabhumi?

    Sydney Kingsford Smith (SYD) is the airport you will fly out of if you book a flight from Sydney to Bangkok Suvarnabhumi. You should not have trouble finding flights to Bangkok Suvarnabhumi from Kingsford Smith; the airport handles an average of 16 outbound flights to Bangkok Suvarnabhumi per day. You should also have plenty of airline options to choose from since 22 airlines have flights from the Sydney airport to Bangkok Suvarnabhumi. It is only a 7.5 km journey to Kingsford Smith (SYD) from Sydney’s city centre.

  • How long is the flight from Sydney to Bangkok Suvarnabhumi Airport?

    For as low as $1,083, Emirates can have you in Bangkok Suvarnabhumi Airport from Sydney in 9h 50m. The distance between Sydney and Bangkok Suvarnabhumi Airport is about 7509 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from Sydney to Bangkok Suvarnabhumi Airport round-trip?

    VietJet Air, at $297, was found to be the cheapest airline from Sydney to Bangkok Suvarnabhumi Airport.Alternate airlines to your destination round-trip include Jetstar and XiamenAir. VietJet Air is currently priced 71% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Sydney to Bangkok Suvarnabhumi Airport one-way?

    $233 is the cheapest one-way deal found within the past few days, from Scoot. You may also be able to find cheap deals on AirAsia X and Thai AirAsia X, with prices starting from $244 and $306, respectively.

  • What are the most reliable airlines from Sydney to Bangkok Suvarnabhumi Airport?

    Before booking your flight to Bangkok Suvarnabhumi Airport from Sydney, have a look at the most reliable airlines to get you to your destination on time: Lufthansa (98%), Austrian Airlines (98%), Thai Airways( 88%).

  • What are the cheapest flights from Sydney to Bangkok Suvarnabhumi Airport?

    Looking at all options, your cheapest flight can be booked for $622. While the most popular route (Sydney Kingsford Smith - Bangkok Suvarnabhumi) can be booked for $484 on average, our data indicates $2,467 when flying from Sydney to Bangkok Suvarnabhumi Airport.

  • Where are the most common stopover locations when flying from Sydney to Bangkok Suvarnabhumi Airport?

  • What are some popular things to do or see while on a stopover in Singapore?

    Singapore travellers tend to visit Sentosa, Merlion, and Sim Lim Square more than anywhere else. Sentosa, Merlion, and Sim Lim Square can be accessed by travelling approximately 21.6 km, 16.9 km, and 16.3 km, respectively from Singapore Changi. Travellers can book a car hire at Singapore Changi for about $130 per day to make their sightseeing more efficient.

  • What are points of interest worth seeing during a stopover in Kuala Lumpur?

    If you're on a stopover in Kuala Lumpur and looking for things to do, consider visiting Berjaya Times Square, Petronas Towers, or National Mosque of Malaysia. Berjaya Times Square, Petronas Towers, and National Mosque of Malaysia can be visited by travelling about 44.9 km, 46.6 km, and 44.8 km respectively from Kuala Lumpur Intl. Those on a stopover in Kuala Lumpur in need of a car hire can book one at Kuala Lumpur Intl for about $42.

  • Where are the least popular stopover locations for Sydney to Bangkok Suvarnabhumi Airport flights?

  • Can I find deals for flights from Sydney to Suvarnabhumi that include hotel bookings?

    Yes. In addition to deals on Sydney to Suvarnabhumi flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sydney to Suvarnabhumi?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Suvarnabhumi.

  • Can I find deals for business class flights from Sydney to Suvarnabhumi?

    Yes. Cheapflights offers flight deals from Sydney to Suvarnabhumi by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 $442). Flying from Sydney to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of $871). 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.

See more FAQs

Travelling to a place near Bangkok Suvarnabhumi Airport?

Book flights to Bangkok Suvarnabhumi Airport if you plan to visit one of these locations
Ko Samet
Chonburi
Kanchanaburi
Sattahip
Cha-am
Ayutthaya
Ko Lan

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Fly from Sydney to Suvarnabhumi on these airlines

Choose from the following airlines for your flight from Sydney to Suvarnabhumi. Flights are based on user searches made on Cheapflights and were last updated on 5 December 2025.

Top 10 airlines flying from Sydney to Suvarnabhumi

Discover the top 10 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 647,157 searches. Data last updated 5 December 2025.
AirlineCheapestAverageFlexibilityOn-time
VietJet AirCheapest$302Average$647FlexibilityNo cancel feeOn-timeN/A
Search VietJet Air flights
JetstarCheapest$412Average$975FlexibilityNo cancel feeOn-time74%
Search Jetstar flights
Cebu PacificCheapest$495Average$829FlexibilityNo cancel feeOn-time64%
Search Cebu Pacific flights
China SouthernCheapest$542Average$801FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Hainan AirlinesCheapest$547Average$750FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Thai AirAsia XCheapest$573Average$1,108FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights
XiamenAirCheapest$584Average$928FlexibilityNo cancel feeOn-time49%
Search XiamenAir flights
Malaysia AirlinesCheapest$636Average$784FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
China AirlinesCheapest$682Average$1,054FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Vietnam AirlinesCheapest$687Average$862FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights

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?

Cheapflights helps you search for flights from Sydney to Suvarnabhumi via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Sydney to Suvarnabhumi?

Cheapflights helps you find that perfect flight to Suvarnabhumi from Sydney by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Sydney to Suvarnabhumi with no change fees?

Yes, we can. To see specific flights from Sydney to Suvarnabhumi with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Sydney to Suvarnabhumi become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Suvarnabhumi from Sydney today and book when prices fit your budget.

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