$167 Cheap Flights from Sydney (SYD) to Bangkok (BKK)

View $167 flight on Sat, Nov 22, 2025Opens in a new window

Popular airlines from Sydney Airport (SYD) to Suvarnabhumi Intl. Airport (BKK)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Sydney to Bangkok (SYD-BKK)

Prices were available within the past 7 days and start at $167 for one-way flights and $309 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scoot
Wed, Aug 6 - Tue, Aug 26
SYD
Sydney
BKK
Bangkok
$309 Roundtrip, found 6 days ago
$309
Roundtrip
found 6 days ago
Select Scoot flight, departing Wed, Aug 6 from Sydney to Bangkok, returning Tue, Aug 26, priced at $309 found 6 days ago
Hainan Airlines
Tue, Oct 21 - Mon, Nov 3
SYD
Sydney
BKK
Bangkok
$436 Roundtrip, found 2 hours ago
$436
Roundtrip
found 2 hours ago
Select Hainan Airlines flight, departing Tue, Oct 21 from Sydney to Bangkok, returning Mon, Nov 3, priced at $436 found 2 hours ago
China Southern Airlines
Mon, Aug 25 - Wed, Sep 3
SYD
Sydney
BKK
Bangkok
$437 Roundtrip, found 6 days ago
$437
Roundtrip
found 6 days ago
Select China Southern Airlines flight, departing Mon, Aug 25 from Sydney to Bangkok, returning Wed, Sep 3, priced at $437 found 6 days ago
Xiamen Airlines
Sun, Jul 27 - Thu, Aug 14
SYD
Sydney
BKK
Bangkok
$481 Roundtrip, found 6 days ago
$481
Roundtrip
found 6 days ago
Select Xiamen Airlines flight, departing Sun, Jul 27 from Sydney to Bangkok, returning Thu, Aug 14, priced at $481 found 6 days ago
China Eastern Airlines
Fri, Nov 14 - Sun, Nov 16
SYD
Sydney
BKK
Bangkok
$531 Roundtrip, found 7 hours ago
$531
Roundtrip
found 7 hours ago
Select China Eastern Airlines flight, departing Fri, Nov 14 from Sydney to Bangkok, returning Sun, Nov 16, priced at $531 found 7 hours ago
Singapore Airlines
Mon, Nov 3 - Mon, Nov 24
SYD
Sydney
BKK
Bangkok
$545 Roundtrip, found 1 day ago
$545
Roundtrip
found 1 day ago
Select Singapore Airlines flight, departing Mon, Nov 3 from Sydney to Bangkok, returning Mon, Nov 24, priced at $545 found 1 day ago
Jetstar
Wed, Aug 6 - Wed, Aug 13
SYD
Sydney
BKK
Bangkok
$570 Roundtrip, just found
$570
Roundtrip
just found
Select Jetstar flight, departing Wed, Aug 6 from Sydney to Bangkok, returning Wed, Aug 13, priced at $570 just found
Philippine Airlines
Tue, Oct 14 - Tue, Oct 28
SYD
Sydney
BKK
Bangkok
$589 Roundtrip, found 6 days ago
$589
Roundtrip
found 6 days ago
Select Philippine Airlines flight, departing Tue, Oct 14 from Sydney to Bangkok, returning Tue, Oct 28, priced at $589 found 6 days ago
Vietnam Airlines
Tue, Oct 14 - Tue, Oct 28
SYD
Sydney
BKK
Bangkok
$600 Roundtrip, found 6 days ago
$600
Roundtrip
found 6 days ago
Select Vietnam Airlines flight, departing Tue, Oct 14 from Sydney to Bangkok, returning Tue, Oct 28, priced at $600 found 6 days ago
Malaysia Airlines
Mon, Aug 25 - Wed, Sep 3
SYD
Sydney
BKK
Bangkok
$628 Roundtrip, found 6 days ago
$628
Roundtrip
found 6 days ago
Select Malaysia Airlines flight, departing Mon, Aug 25 from Sydney to Bangkok, returning Wed, Sep 3, priced at $628 found 6 days ago

Find the cheapest month to fly from Sydney (SYD) to Bangkok (BKK)

August is typically the cheapest month to fly

From $282 - $446 per traveler.

Graph displaying average flight prices per month

Alternative airports near Bangkok

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Don Mueang Intl. DMK. Closest option available. Average driving time to city center is 19 minutes. Flights from $923
DMK
Don Mueang Intl.
Closest
Average driving time to city center19 min
Flights from $923
Flights from Sydney (SYD) to Bangkok (BKK)
Origin airport
Kingsford Smith Intl.
Destination airport
Suvarnabhumi Intl.
Airlines serving
Bangkok Airways, British Airways, Cathay Pacific, China Airlines, China Eastern Airlines, China Southern Airlines, Emirates, Garuda Indonesia, Hong Kong Airlines, Korean Air, Malaysia Airlines, Philippine Airlines, Qantas Airways, Scoot, Sichuan Airlines, Singapore Airlines, Thai Airways International, Vietjet Air, Vietnam Airlines, Xiamen Airlines
Roundtrip price
$308
Distance
4668 mi
Average flight time
6 hours 30 mins

Sydney to Bangkok Flights

The cheapest times to fly from Sydney to Bangkok

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 Sydney to Bangkok are during the month of August. You can find some of the cheapest flights from Sydney to Bangkok with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sydney to Bangkok

Sunday is one of the best days to book for cheap flights from Sydney to Bangkok: 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 Sydney to Bangkok

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 Sydney to Bangkok in 2025. You can also book with separate airlines for your outbound and return journeys, from $167 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 Sydney to Bangkok 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 Sydney to Bangkok 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 Kingsford Smith Intl. Airport (SYD) to Suvarnabhumi Intl. Airport (BKK) cost?
Cheap return flights from Kingsford Smith Intl. Airport (SYD) to Suvarnabhumi Intl. Airport (BKK) start at $651. 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 Thai Airways International flight leaving SYD on August 9 2025 and touching down at BKK. The price was last updated on July 14 2025 and has not changed since.
What is the cheapest month to fly from SYD to BKK?
To pick up a cheap fare, search for nonstop flights from SYD to BKK departing in September. You can find a one-way Bangkok Airways flight for $391 leaving on September 16 2025. This price is based on the cheapest direct flight found on Expedia for this route in the next 330 days. The price was last updated on July 14 2025 and remains unchanged.
Which airlines fly direct from Kingsford Smith Intl. Airport (SYD) to Suvarnabhumi Intl. Airport (BKK)?
When departing from Kingsford Smith Intl. Airport (SYD), you can hop on a direct flight to Suvarnabhumi Intl. Airport (BKK) with Thai Airways International.
What is the cheapest airline that flies from SYD to BKK?
Fly from SYD to BKK with Bangkok Airways. This airline currently has the cheapest one-way ticket on this route, starting from $391. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SYD on September 16 2025. Prices were last updated on July 14 2025 and have not changed since.
How many flights per day from Kingsford Smith Intl. Airport (SYD) to Suvarnabhumi Intl. Airport (BKK)?
Every day, an average of 3 direct flights operate from Kingsford Smith Intl. Airport (SYD) to Suvarnabhumi Intl. Airport (BKK). Choose the departure that fits your schedule best.
What are the most popular departure times for flights from Kingsford Smith Intl. Airport (SYD) to Suvarnabhumi Intl. Airport (BKK)?
Flights between SYD and BKK tend to be busiest at 10 AM. If you're after a quieter trip and possibly cheaper tickets, choose a time outside the usual busy windows.
What day of the week has the most flights from SYD to BKK?
Jet off on a Friday if you're looking for the best selection of flights from Kingsford Smith Intl. Airport (SYD) to Suvarnabhumi Intl. Airport (BKK).
What is the earliest flight from Kingsford Smith Intl. Airport (SYD) to Suvarnabhumi Intl. Airport (BKK)?
Kingsford Smith Intl. Airport (SYD)'s first flight to Suvarnabhumi Intl. Airport (BKK) departs at approximately 10:00AM UTC+11. With a total travel time of 9h 25m, you'll land at around 3:25PM UTC+7.
How long does it take to fly from Kingsford Smith Intl. Airport (SYD) to Suvarnabhumi Intl. Airport (BKK)?
Flights from SYD to BKK have an average travel time of 9 hours and 33 minutes. The distance between the two airports is 4,700 mi.
What airline has the least delays from SYD to BKK?
Turkish Airlines has the best track record for on-time direct flights from Kingsford Smith Intl. Airport (SYD) to Suvarnabhumi Intl. Airport (BKK), with an on-time score of 83%. Use the Expedia App to check your flight status before you jet off and get notified of any changes.
What is the best time to fly from Kingsford Smith Intl. Airport (SYD) to Suvarnabhumi Intl. Airport (BKK)?
Book a flight from Kingsford Smith Intl. Airport (SYD) to Suvarnabhumi Intl. Airport (BKK) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures after this time 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 Bangkok from Kingsford Smith Intl. Airport (SYD)?
You can touch down at Suvarnabhumi Intl. Airport (BKK) or Don Mueang Intl. Airport (DMK) when traveling to Bangkok on a direct flight from Kingsford Smith Intl. Airport (SYD).
Is it cheaper to buy a plane ticket from Kingsford Smith Intl. Airport (SYD) to Suvarnabhumi Intl. Airport (BKK) last-minute?
Booking your ticket from SYD to BKK right before your trip is usually more expensive. However, if there's some wiggle room with your travel times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a SYD to BKK flight and hotel package?
Compared with arranging flights and hotels separately, booking a SYD to BKK flight and hotel package with Expedia could result in significant savings. Better still, having it all in one place takes the hassle out of travel planning. Simply pick your flights and choose from our extensive range of hotels, then personalize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Kingsford Smith Intl. Airport (SYD) to Suvarnabhumi Intl. Airport (BKK)?
In most instances, you can cancel or reschedule your SYD to BKK flight. However, there may be additional charges, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you need more information, go to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.