$179 Cheap Flights from Bangkok (BKK) to Sydney (SYD)

View $179 flight on Tue, May 20, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Bangkok to Sydney (BKK-SYD)

Prices were available within the past 7 days and start at $179 for one-way flights and $381 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scoot
Fri, Sep 5 - Fri, Sep 12
BKK
Bangkok
SYD
Sydney
$381 Roundtrip, found 2 days ago
$381
Roundtrip
found 2 days ago
Select Scoot flight, departing Fri, Sep 5 from Bangkok to Sydney, returning Fri, Sep 12, priced at $381 found 2 days ago
China Southern Airlines
Fri, May 23 - Thu, Jun 5
BKK
Bangkok
SYD
Sydney
$441 Roundtrip, found 4 hours ago
$441
Roundtrip
found 4 hours ago
Select China Southern Airlines flight, departing Fri, May 23 from Bangkok to Sydney, returning Thu, Jun 5, priced at $441 found 4 hours ago
Xiamen Airlines
Fri, Jun 6 - Sun, Jun 8
BKK
Bangkok
SYD
Sydney
$448 Roundtrip, found 2 days ago
$448
Roundtrip
found 2 days ago
Select Xiamen Airlines flight, departing Fri, Jun 6 from Bangkok to Sydney, returning Sun, Jun 8, priced at $448 found 2 days ago
Hainan Airlines
Fri, Jun 6 - Tue, Jun 10
BKK
Bangkok
SYD
Sydney
$462 Roundtrip, found 3 days ago
$462
Roundtrip
found 3 days ago
Select Hainan Airlines flight, departing Fri, Jun 6 from Bangkok to Sydney, returning Tue, Jun 10, priced at $462 found 3 days ago
Jetstar
Sun, Jun 1 - Sat, Jun 21
BKK
Bangkok
SYD
Sydney
$533 Roundtrip, found 5 days ago
$533
Roundtrip
found 5 days ago
Select Jetstar flight, departing Sun, Jun 1 from Bangkok to Sydney, returning Sat, Jun 21, priced at $533 found 5 days ago
Philippine Airlines
Mon, Jul 7 - Mon, Jul 14
BKK
Bangkok
SYD
Sydney
$556 Roundtrip, found 6 hours ago
$556
Roundtrip
found 6 hours ago
Select Philippine Airlines flight, departing Mon, Jul 7 from Bangkok to Sydney, returning Mon, Jul 14, priced at $556 found 6 hours ago
Sichuan Airlines
Sat, May 17 - Sat, May 24
BKK
Bangkok
SYD
Sydney
$571 Roundtrip, found 3 days ago
$571
Roundtrip
found 3 days ago
Select Sichuan Airlines flight, departing Sat, May 17 from Bangkok to Sydney, returning Sat, May 24, priced at $571 found 3 days ago
China Eastern Airlines
Wed, May 14 - Sat, May 17
BKK
Bangkok
SYD
Sydney
$611 Roundtrip, found 3 days ago
$611
Roundtrip
found 3 days ago
Select China Eastern Airlines flight, departing Wed, May 14 from Bangkok to Sydney, returning Sat, May 17, priced at $611 found 3 days ago
Malaysia Airlines
Fri, Sep 5 - Fri, Sep 12
BKK
Bangkok
SYD
Sydney
$654 Roundtrip, found 2 days ago
$654
Roundtrip
found 2 days ago
Select Malaysia Airlines flight, departing Fri, Sep 5 from Bangkok to Sydney, returning Fri, Sep 12, priced at $654 found 2 days ago
Vietjet Air
Thu, May 8 - Thu, May 15
BKK
Bangkok
SYD
Sydney
$672 Roundtrip, found 12 hours ago
$672
Roundtrip
found 12 hours ago
Select Vietjet Air flight, departing Thu, May 8 from Bangkok to Sydney, returning Thu, May 15, priced at $672 found 12 hours ago
Flights from Bangkok (BKK) to Sydney (SYD)
Origin airport
Suvarnabhumi Intl.
Destination airport
Kingsford Smith Intl.
Airlines serving
APG Distribution System, Air China, Bangkok Airways, Cathay Pacific, China Airlines, China Eastern Airlines, China Southern Airlines, Emirates, Garuda Indonesia, Hong Kong Airlines, Malaysia Airlines, Philippine Airlines, Qantas Airways, Scoot, Sichuan Airlines, Singapore Airlines, Thai Airways International, Vietjet Air, Vietnam Airlines, Xiamen Airlines
Roundtrip price
$381
Distance
4668 mi

Bangkok to Sydney Flights

The cheapest times to fly from Bangkok to Sydney

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Bangkok to Sydney are during the month of September. You can find some of the cheapest flights from Bangkok to Sydney with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Bangkok to Sydney

Sunday is one of the best days to book for cheap flights from Bangkok to Sydney: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Bangkok to Sydney

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Bangkok to Sydney in 2025. You can also book with separate airlines for your outbound and return journeys, from $179 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Bangkok to Sydney flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Bangkok to Sydney airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Suvarnabhumi Intl. Airport (BKK) to Kingsford Smith Intl. Airport (SYD) cost?
You can find cheap return flights from Suvarnabhumi Intl. Airport (BKK) to Kingsford Smith Intl. Airport (SYD) starting from $710. Book your seat and take off on your trip. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Emirates flight leaving BKK on May 21 2025 and touching down at SYD. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from BKK to SYD?
The cheapest flights from BKK to SYD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Suvarnabhumi Intl. Airport (BKK) to Kingsford Smith Intl. Airport (SYD)?
When flying out of Suvarnabhumi Intl. Airport (BKK), you can catch a nonstop flight to Kingsford Smith Intl. Airport (SYD) with Thai Airways International.
What is the cheapest airline that flies from BKK to SYD?
Book a flight from BKK to SYD with Thai Airways International. This carrier currently has the lowest one-way fare for this route, starting at $455. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from BKK on July 5 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Suvarnabhumi Intl. Airport (BKK) to Kingsford Smith Intl. Airport (SYD)?
When flying out of Suvarnabhumi Intl. Airport (BKK), you can choose from an average of 3 daily nonstop flights to Kingsford Smith Intl. Airport (SYD).
What are the most popular departure times for flights from Suvarnabhumi Intl. Airport (BKK) to Kingsford Smith Intl. Airport (SYD)?
More people fly between BKK and SYD at 8 AM than at any other time of day. Rather skip the crowds? Travel outside of rush hours and it’s possible you’ll save on your fare as well.
What day of the week has the most flights from BKK to SYD?
Fly on a Thursday if you’re looking for the best selection of flights from Suvarnabhumi Intl. Airport (BKK) to Kingsford Smith Intl. Airport (SYD).
What is the earliest flight from Suvarnabhumi Intl. Airport (BKK) to Kingsford Smith Intl. Airport (SYD)?
Catch the earliest flight at around 8:30AM UTC+7, heading out of Suvarnabhumi Intl. Airport (BKK). You’ll be flying for around 9h 20m, arriving at Kingsford Smith Intl. Airport (SYD) at approximately 9:50PM UTC+11.
How long does it take to fly from Suvarnabhumi Intl. Airport (BKK) to Kingsford Smith Intl. Airport (SYD)?
Flights from BKK to SYD have an average travel time of 9 hours and 25 minutes. The distance between these two airports is 4,700 mi.
What is the best time to fly from Suvarnabhumi Intl. Airport (BKK) to Kingsford Smith Intl. Airport (SYD)?
Book a flight from Suvarnabhumi Intl. Airport (BKK) to Kingsford Smith Intl. Airport (SYD) that leaves before 3 PM to reduce the likelihood of delays. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Sydney from Suvarnabhumi Intl. Airport (BKK)?
If you’re on a direct flight from Suvarnabhumi Intl. Airport (BKK) to Sydney, Kingsford Smith Intl. Airport (SYD) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Suvarnabhumi Intl. Airport (BKK) to Kingsford Smith Intl. Airport (SYD) last-minute?
Booking your ticket from BKK to SYD shortly before your trip is usually more expensive. However, if there’s some wiggle room with your travel dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a BKK to SYD flight and hotel package?
You’ll generally save money by securing a BKK to SYD flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it’s easy to manage it all in one convenient place. After selecting your ideal accommodations and flights, consider other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Suvarnabhumi Intl. Airport (BKK) to Kingsford Smith Intl. Airport (SYD)?
If you booked your BKK to SYD flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

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*Available to One Key members.