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Cheap flights from Sydney to Bangkok Suvarnabhumi Airport from £167

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 17/9. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BKK
2 Apr — 9 Apr1
1 adult

Cheapflights Tip: The best prices from Sydney Kingsford Smith to Bangkok Suvarnabhumi are usually found in February or May, booked 43 days in advance, depart on a Tuesday or Sunday and return on a Sunday

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 28 March 2025.

Round-trip from

£278

One-way from

£167

Popular in

December

Cheapest in

February

Average price

£479

Good round-trip deal

£541 or less

Good one-way deal

£289 or less
China Southern
  • China Southern
  • 15/5-19/5
  • 2 total stops
  • 40h 50m total
  • Sydney to Bangkok
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17/9
  • 17/9
  • 2 total stops
  • 35h 15m total
  • Sydney to Bangkok
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Highest demand for flights based on searches. 16% potential increase in price (£79 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£17 potential savings vs. average return price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Sydney Kingsford Smith to Bangkok Suvarnabhumi.
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Price to beat on a one-way flight from Sydney Kingsford Smith to Bangkok Suvarnabhumi.
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Find flight deals from Sydney to Suvarnabhumi

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 28 March 2025.

Thu 15/520:45SYD - BKK
1 stop27h 10mMultiple Airlines
Mon 19/503:00BKK - SYD
1 stop13h 40mMultiple Airlines
Deal found 27/3£278
Sat 10/508:45SYD - BKK
1 stop34h 40mChina Southern
Sat 17/503:00BKK - SYD
1 stop13h 40mChina Southern
Deal found 27/3£384
Thu 15/511:20SYD - BKK
2 stops28h 00mChina Eastern
Mon 19/502:10BKK - SYD
1 stop26h 50mChina Eastern
Deal found 27/3£387
Tue 22/707:55SYD - BKK
1 stop12h 30mSingapore Airlines
Sat 13/915:30BKK - SYD
1 stop11h 25mSingapore Airlines
Deal found 27/3£428
Mon 5/509:50SYD - BKK
Nonstop9h 50mQantas Airways
Mon 19/518:10BKK - SYD
Nonstop9h 15mQantas Airways
Deal found 27/3£451
Mon 5/509:50SYD - BKK
Nonstop9h 50mEmirates
Mon 19/518:10BKK - SYD
Nonstop9h 15mEmirates
Deal found 28/3£454
Mon 21/710:15SYD - BKK
1 stop27h 05mVietnam Airlines
Tue 16/922:15BKK - SYD
2 stops31h 00mVietnam Airlines
Deal found 27/3£482
Sun 11/508:40SYD - BKK
1 stop36h 05mVietJet Air
Sun 18/515:45BKK - SYD
1 stop12h 35mVietJet Air
Deal found 27/3£516
Wed 23/713:05SYD - BKK
1 stop13h 00mMalaysia Airlines
Sat 26/717:15BKK - SYD
1 stop13h 45mMalaysia Airlines
Deal found 27/3£525
Tue 29/417:15SYD - BKK
2 stops19h 30mChina Airlines
Tue 6/502:40BKK - SYD
1 stop29h 05mChina Airlines
Deal found 27/3£585
Mon 7/411:05SYD - BKK
2 stops53h 30mBeijing Capital Airlines
Sat 19/414:35BKK - SYD
2 stops39h 00mBeijing Capital Airlines
Deal found 27/3£649
Wed 9/410:10SYD - BKK
1 stop15h 15mPhilippine Airlines
Fri 13/613:30BKK - SYD
1 stop15h 30mPhilippine Airlines
Deal found 27/3£670

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 28 March 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

Thu 15/5

20:45-20:55

1 stop27h 10m

Bangkok Suvarnabhumi

Mon 19/5

03:00-19:40

1 stop13h 40m

£278

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Sat 10/5

08:45-16:25

1 stop34h 40m

Bangkok Suvarnabhumi

Sat 17/5

03:00-19:40

1 stop13h 40m

£384

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Thu 15/5

11:20-12:20

2 stops28h 00m

Bangkok Suvarnabhumi

Mon 19/5

02:10-08:00

1 stop26h 50m

£387

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Tue 22/7

07:55-17:25

1 stop12h 30m

Bangkok Suvarnabhumi

Sat 13/9

15:30-05:55

1 stop11h 25m

£428

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Mon 5/5

09:50-16:40

Nonstop9h 50m

Bangkok Suvarnabhumi

Mon 19/5

18:10-06:25

Nonstop9h 15m

£451

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Mon 5/5

09:50-16:40

Nonstop9h 50m

Bangkok Suvarnabhumi

Mon 19/5

18:10-06:25

Nonstop9h 15m

£454

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Mon 21/7

10:15-10:20

1 stop27h 05m

Bangkok Suvarnabhumi

Tue 16/9

22:15-08:15

2 stops31h 00m

£482

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Sun 11/5

08:40-17:45

1 stop36h 05m

Bangkok Suvarnabhumi

Sun 18/5

15:45-07:20

1 stop12h 35m

£516

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Wed 23/7

13:05-23:05

1 stop13h 00m

Bangkok Suvarnabhumi

Sat 26/7

17:15-10:00

1 stop13h 45m

£525

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Tue 29/4

17:15-09:45

2 stops19h 30m

Bangkok Suvarnabhumi

Tue 6/5

02:40-10:45

1 stop29h 05m

£585

Flights are sorted by cheapest return flights first.

Deals found on 27/3

Showing 1-10 of 28 results
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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 21 March 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 43 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 £758). Flying from Sydney to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of £1,123). 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 28 March 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 in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 55% on airfare.

Rainfall in Suvarnabhumi by month

Plan your trip to Suvarnabhumi by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Bangkok Suvarnabhumi 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 Suvarnabhumi Airport when rainfall is around 10.0 mm.

Temperature in Suvarnabhumi by month

Plan your trip to Suvarnabhumi by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Bangkok Suvarnabhumi 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 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 28 March 2025.
Read reviews from past customers who have flown Korean Air, China Airlines and Singapore Airlines from Sydney to Bangkok. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very Good
1,050 reviews
Check prices

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Crew

8.7

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very Good
1,050 reviews
Korean Air
8.4
Very Good
1,050 reviews
Check prices

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Crew

8.7

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
China Airlines
8.2
Very Good
722 reviews
Korean Air
8.4
Very Good
1,050 reviews
Check prices

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Crew

8.7

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Singapore Airlines
8.1
Very Good
1,285 reviews
Korean Air
8.4
Very Good
1,050 reviews
Check prices

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Crew

8.7

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Emirates
8.0
Very Good
3,189 reviews
Korean Air
8.4
Very Good
1,050 reviews
Check prices

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Crew

8.7

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Hainan Airlines
7.8
Good
32 reviews
Korean Air
8.4
Very Good
1,050 reviews
Check prices

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Crew

8.7

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

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?

    Most people fly from Sydney Kingsford Smith (SYD) if they book a flight from Sydney to Bangkok Suvarnabhumi. On average, Kingsford Smith has 9 outbound flights to Bangkok Suvarnabhumi per day from 5 airlines. Sydney Kingsford Smith is conveniently located just 4.6 mi from Sydney’s city center.

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

    Cheapflights users have booked flights from Sydney to Bangkok Suvarnabhumi Airport round-trip from £384. Other airlines that can offer you cheap pricing are China Eastern, from £387, and Malaysia Airlines, from £396. Users have found that China Southern is 23% cheaper than the other options available to this destination.

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

    To fly one-way, consider booking your trip with Hainan Airlines, which is currently one of the cheapest options available, starting at £180. China Southern flights start at £252 while deals on Thai Airways start at £275 one-way.

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

    The top 3 most reliable airlines when flying from Sydney to Bangkok Suvarnabhumi Airport are Lufthansa (95%), Austrian Airlines (95%) and KLM (92%).

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

    On average you can expect to pay £1,199 for a flight from Sydney to Bangkok Suvarnabhumi Airport. The cheapest flight overall is £278 while the most popular route, (Sydney Kingsford Smith - Bangkok Suvarnabhumi) is currently priced at £227.

  • 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 £758). Flying from Sydney to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of £1,123). 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

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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 28 March 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest£270Average£319FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Thai AirAsia XCheapest£293Average£563FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights
Qantas AirwaysCheapest£454Average£758FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Thai AirwaysCheapest£470Average£534FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
EmiratesCheapest£478Average£565FlexibilityNo cancel feeOn-time75%
Search Emirates 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?

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.

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