A sunset over Sydney's skyline, including the Sydney Opera House and Harbour Bridge.

$246 Cheap Flights from Bangkok (BKK) to Sydney (SYD)

View $246 flight on Thu, Nov 19, 2026Opens in a new window

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

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Cheap Flights from Bangkok to Sydney (BKK-SYD)

Prices were available within the past 7 days and start at $246 for one-way flights and $479 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scoot
Mon, Nov 9 - Mon, Nov 23
BKK
Bangkok
SYD
Sydney
$479 Roundtrip, found 4 hours ago
$479
Roundtrip
found 4 hours ago
Select Scoot flight, departing Mon, Nov 9 from Bangkok to Sydney, returning Mon, Nov 23, priced at $479 found 4 hours ago
Xiamen Airlines
Thu, Sep 3 - Mon, Sep 7
BKK
Bangkok
SYD
Sydney
$556 Roundtrip, found 1 day ago
$556
Roundtrip
found 1 day ago
Select Xiamen Airlines flight, departing Thu, Sep 3 from Bangkok to Sydney, returning Mon, Sep 7, priced at $556 found 1 day ago
Vietjet Air
Tue, Jun 8 - Mon, Jun 14
BKK
Bangkok
SYD
Sydney
$566 Roundtrip, found 3 days ago
$566
Roundtrip
found 3 days ago
Select Vietjet Air flight, departing Tue, Jun 8 from Bangkok to Sydney, returning Mon, Jun 14, priced at $566 found 3 days ago
Jetstar
Mon, May 3 - Tue, May 11
BKK
Bangkok
SYD
Sydney
$636 Roundtrip, found 5 days ago
$636
Roundtrip
found 5 days ago
Select Jetstar flight, departing Mon, May 3 from Bangkok to Sydney, returning Tue, May 11, priced at $636 found 5 days ago
Hainan Airlines
Wed, Oct 21 - Sat, Oct 24
BKK
Bangkok
SYD
Sydney
$637 Roundtrip, found 2 days ago
$637
Roundtrip
found 2 days ago
Select Hainan Airlines flight, departing Wed, Oct 21 from Bangkok to Sydney, returning Sat, Oct 24, priced at $637 found 2 days ago
China Eastern Airlines
Sat, Sep 5 - Wed, Sep 9
BKK
Bangkok
SYD
Sydney
$670 Roundtrip, found 6 days ago
$670
Roundtrip
found 6 days ago
Select China Eastern Airlines flight, departing Sat, Sep 5 from Bangkok to Sydney, returning Wed, Sep 9, priced at $670 found 6 days ago
China Southern Airlines
Mon, Oct 26 - Fri, Oct 30
BKK
Bangkok
SYD
Sydney
$686 Roundtrip, found 2 hours ago
$686
Roundtrip
found 2 hours ago
Select China Southern Airlines flight, departing Mon, Oct 26 from Bangkok to Sydney, returning Fri, Oct 30, priced at $686 found 2 hours ago
Juneyao Air
Mon, Sep 7 - Thu, Sep 10
BKK
Bangkok
SYD
Sydney
$691 Roundtrip, found 6 days ago
$691
Roundtrip
found 6 days ago
Select Juneyao Air flight, departing Mon, Sep 7 from Bangkok to Sydney, returning Thu, Sep 10, priced at $691 found 6 days ago
Garuda Indonesia
Sat, May 1 - Sun, May 2
BKK
Bangkok
SYD
Sydney
$748 Roundtrip, found 2 days ago
$748
Roundtrip
found 2 days ago
Select Garuda Indonesia flight, departing Sat, May 1 from Bangkok to Sydney, returning Sun, May 2, priced at $748 found 2 days ago
Philippine Airlines
Tue, Aug 25 - Wed, Aug 26
BKK
Bangkok
SYD
Sydney
$752 Roundtrip, found 1 day ago
$752
Roundtrip
found 1 day ago
Select Philippine Airlines flight, departing Tue, Aug 25 from Bangkok to Sydney, returning Wed, Aug 26, priced at $752 found 1 day ago

Alternative airports near Sydney

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

Select flight to Kingsford Smith Intl. SYD. Cheapest option available. Average driving time to city center is 16 minutes. Flights from $604
SYD
Kingsford Smith Intl.
Cheapest
Average driving time to city center16 min
Flights from $604

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

October is typically the cheapest month to fly

From $466 - $731 per traveler.

What you need to know for your flight from Suvarnabhumi Intl. to Kingsford Smith Intl.

Bangkok (BKK) to Sydney (SYD) at a glance

Travel to Sydney (SYD) from Bangkok (BKK) with a choice of airlines catering to this international long-haul route. Whether you prefer full-service or budget carriers, you can compare various options to secure the itinerary that aligns with your budget, schedule, and travel preferences as you discover Sydney's iconic attractions and neighborhoods. Get the essential information for flights departing from Suvarnabhumi International Airport (BKK) to Kingsford Smith International Airport (SYD).

  • Fastest flight duration: around 9h 15m non-stop
  • Route distance: roughly 4,700 miles (7,560 km)
  • Flights per week: around 8 departures on average
  • Typical fares (one-way): economy tickets often range from $200–$985, depending on seasonality and how far ahead you book

Flights from Suvarnabhumi International Airport (BKK) to Kingsford Smith International Airport (SYD)

Based on the latest traveler bookings, here are the top airlines favored for flights from Bangkok to Sydney, featuring both non-stop and one-stop options. Popular layover spots include Changi Airport (SIN) with a layover of approximately 2 hours and 45 minutes, Baiyun International Airport (CAN) with about 1 hour and 30 minutes, and Tan Son Nhat International Airport (SGN) with a longer layover of around 4 hours and 30 minutes. This variety allows you to mix and match pricing, total travel time, and cabin class to find your ideal itinerary.

  • Thai Airways International: This full-service airline provides non-stop flights, with one-way ticket prices generally falling between $515 and $2020, representing around 33% of departures for this route, and a total travel duration of 9 hours and 15 minutes.
  • Scoot: Operating as a low-cost airline, Scoot offers one-stop flights with fares typically ranging from $200 to $590. It accounts for about 21% of departures, featuring an in-flight duration of 10 hours and 30 minutes, culminating in a total journey time of around 14 hours and 30 minutes, including a layover.
  • Qantas Airways: As a full-service carrier, Qantas provides non-stop service with one-way fares usually between $370 and $3130. This airline makes up roughly 17% of departures on this route and has a total travel time of 9 hours and 15 minutes.
  • Emirates: This full-service airline offers non-stop flights, with one-way fares typically priced from $420 to $1535. Emirates accounts for around 4% of departures on this route, featuring a total journey duration of 9 hours and 15 minutes.
  • China Southern Airlines: A full-service carrier that provides one-stop flights, China Southern Airlines has one-way fares usually ranging from $205 to $1205. It represents about 4% of departures on this route, with an in-flight time of 10 hours and 30 minutes, leading to a total travel time of approximately 14 hours and 30 minutes, including layover.

Travelers flying from Bangkok to Sydney have the option to enhance their journey. Thai Airways International provides a business class service, while Qantas Airways features both business class and premium economy class options.

Best time to fly from Bangkok (BKK) to Sydney (SYD)

The most popular months for travelers flying from Bangkok to Sydney are January, February, and April, when peak temperatures in Sydney reach up to 73.4°F in January. If you prefer quieter travel, consider May, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 61.2°F. For better deals, March usually offers the lowest average one-way fare around $390. Flight availability peaks in November, with approximately 11 flights per week, making it easier to find convenient departure times. January, June, and September have the fewest flights, with approximately 7 flights per week.

  • Cheapest time to fly: March usually offers good deals with average one-way fare around $390, roughly 37% cheaper than the yearly average.
  • Most flight options: November has the highest number of flights from Bangkok to Sydney, with approximately 11 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January73.4°F (23.0°C)High7$1137
February72.7°F (22.6°C)High10$730
March70.9°F (21.6°C)Average9$390
April66.4°F (19.1°C)High9$717
May61.2°F (16.2°C)Low8$477
June57.2°F (14.0°C)Low7$643
July55.9°F (13.3°C)Low8$629
August57.2°F (14.0°C)Average8$713
September61.2°F (16.2°C)Average7$494
October64.6°F (18.1°C)Average8$529
November67.6°F (19.8°C)Average11$509
December70.3°F (21.3°C)Average8$474

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Bangkok (BKK) to Sydney (SYD)

  • Bangkok to Sydney (DMK-SYD): Don Mueang International Airport (DMK) is located approximately 19 miles from Suvarnabhumi International Airport (BKK).

How to find the best prices for flights from Bangkok (BKK) to Sydney (SYD)

Getting some of the best deals on flights from Bangkok to Sydney is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually available when booking at least two months in advance, although most travelers typically reserve their flights 2 to 8 weeks ahead. Morning departures (5 AM to 12 PM) often provide lower prices, while evening flights (6 PM to 12 AM) are the most popular. Additionally, flying on Tuesday tends to be cheaper, even though Saturday is the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Kingsford Smith International Airport from Suvarnabhumi International Airport

Sydney welcomes travelers from Bangkok with a range of transport options based on price, convenience, and proximity. For departures, Suvarnabhumi International Airport is roughly a 20-minute drive (covering about 21 miles) from central Bangkok. Here's how to reach Sydney efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Sydney, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Kingsford Smith International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Kingsford Smith International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Kingsford Smith International Airport, International Airport Station (a metro station) is just a short 0.1-mile walk away, while Sydney Arncliffe Station (a train station) is located about 1.2 miles from the airport and typically reached by car. For those traveling by sea, Sydney Seaport, a seaport, is about 6.7 miles away by car.

Frequently asked questions

How much does a flight from Bangkok (BKK-Suvarnabhumi Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) cost?
You can find cheap one-way flights from $246 and cheap return flights from $479 Bangkok (BKK-Suvarnabhumi Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) with Expedia. One-way flights typically cost between $199 and $1757, and return flights often range between $395 and $4007. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Bangkok (BKK-Suvarnabhumi Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Bangkok (BKK-Suvarnabhumi Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
The cheapest month to fly from BKK to SYD is November when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Bangkok (BKK-Suvarnabhumi Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
Choose from 4 airlines operating direct flights from BKK to SYD:

  • Thai Airways International operates around 14 direct flights from BKK to SYD every week
  • Qantas Airways operates around 7 direct flights from BKK to SYD every week
  • Emirates operates around 7 direct flights from BKK to SYD every week
  • Bangkok Airways operates around 7 direct flights from BKK to SYD every week

How do I find cheap flights from Bangkok (BKK-Suvarnabhumi Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
To find a cheap flight from Bangkok (BKK-Suvarnabhumi Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Bangkok (BKK-Suvarnabhumi Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
The best airline to fly with from Bangkok (BKK) to Sydney, NSW (SYD) will differ from traveler to traveler. If you like to fly early, Qantas Airways offers early morning flights. If price is the most important factor, Finnair typically offers the lowest fares. Cathay Pacific offers the most daily flights from BKK to SYD, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Bangkok (BKK-Suvarnabhumi Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Bangkok (BKK-Suvarnabhumi Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
There are approximately 3 nonstop flights per day from Suvarnabhumi Intl. (BKK) to Kingsford Smith Intl. (SYD). For more options, look at flights that include layovers.
What is the earliest flight from Bangkok (BKK-Suvarnabhumi Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
The earliest flight from Bangkok (BKK) to Sydney (SYD) typically departs at around 12:05 AM, operated by T'way Air. This seasonal service runs from March to October, allowing you to arrive in Sydney early and enjoy a full day of exploration. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Bangkok (BKK-Suvarnabhumi Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
The most popular departure times for flights from Bangkok (BKK) to Sydney, NSW (SYD) are in the late evening, from 6pm to 9pm. About 32% of passengers prefer this time window. Many major carriers, including Qantas Airways, Singapore Airlines, and Thai Airways, offer flights during this window. This timing works well because it allows you to travel overnight and arrive in Sydney the next day.
How long does it take to fly from Bangkok (BKK-Suvarnabhumi Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
Direct flights from BKK to SYD usually take about 9 hours 20 minutes, traveling roughly 4,669 miles. If you opt for a connecting flight, expect to add around 4 hours 30 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Bangkok (BKK-Suvarnabhumi Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
You can fly business class between BKK and SYD. Airlines that offer business class service on this route include:

  • Thai Airways International
  • Malaysia Airlines
  • China Southern Airlines
  • Vietnam Airlines
  • Singapore Airlines
  • Cathay Pacific
  • China Eastern Airlines
  • Hong Kong Airlines
  • Philippine Airlines
  • Xiamen Airlines

How much is a business class flight from Bangkok (BKK-Suvarnabhumi Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
A direct, return business class ticket from Bangkok (BKK) to Sydney (SYD) typically costs between $4,751 - $6,688 per adult. A non-stop, one-way business class flight is usually around $2,265 - $3,311 per adult. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Bangkok (BKK-Suvarnabhumi Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Bangkok (BKK-Suvarnabhumi Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) flight with Expedia?
It's easy to earn miles on a Bangkok (BKK-Suvarnabhumi Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Sydney from Suvarnabhumi Intl. (BKK)?
If you're planning to travel to Sydney from Suvarnabhumi Intl. (BKK), you can fly into Kingsford Smith Intl. (SYD) Some flights may connect through major hubs like Hong Kong Intl. (HKG), Changshui Intl. (KMG), Kuala Lumpur Intl. (KUL) before reaching Sydney. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Bangkok (BKK-Suvarnabhumi Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) at the last minute?
Typically, booking a last minute flight from Bangkok (BKK-Suvarnabhumi Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Bangkok (BKK-Suvarnabhumi Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) flight and hotel package?
Securing a Bangkok (BKK-Suvarnabhumi Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) Sydney Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Bangkok (BKK-Suvarnabhumi Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
If you booked your Bangkok (BKK-Suvarnabhumi Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Suvarnabhumi Intl.
Destination airport
Kingsford Smith Intl.
Airlines serving
Asiana Airlines, Bangkok Airways, Cathay Pacific, China Airlines, China Eastern Airlines, China Southern Airlines, Emirates, Garuda Indonesia, Hong Kong Airlines, Jetstar, Malaysia Airlines, Philippine Airlines, Qantas Airways, Scoot, Sichuan Airlines, Singapore Airlines, SriLankan Airlines, Thai Airways International, Vietjet Air, Vietnam Airlines
Roundtrip price
$479
Distance
4668 mi
Average flight time
12 hours 5 mins

Book with confidence

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 November. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $246 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.

 

Bangkok to Sydney Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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