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$265 Cheap Flights from Sydney (SYD) to Bangkok (BKK)

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

Cheap Flights from Sydney to Bangkok (SYD-BKK)

Prices were available within the past 7 days and start at $265 for one-way flights and $506 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scoot
Xiamen Airlines
Vietjet Air
Hainan Airlines
Vietnam Airlines
Jetstar
China Eastern Airlines
Juneyao Air
China Southern Airlines
Garuda Indonesia

Alternative airports near Bangkok

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

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

August is typically the cheapest month to fly

From $416 - $560 per traveler.

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

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

Travel from Sydney (SYD) to Bangkok (BKK) with a selection of airlines on this international long-haul route. Explore various options, including full-service and low-cost carriers, to discover the best flights from Sydney that suit your budget and schedule. Whether you're planning to visit Bangkok's iconic attractions or delve into its vibrant neighborhoods, you'll find essential details for your journey from Kingsford Smith International Airport to Suvarnabhumi International Airport.

  • Fastest flight duration: around 9h 30m 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 $165–$715, depending on seasonality and how far ahead you book

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

According to the latest traveler bookings, these are the most popular airlines for flights from Sydney to Bangkok, featuring both non-stop and one-stop options. Common layover spots include Changi Airport (SIN) with an approximate 3-hour and 45-minute layover, Baiyun International Airport (CAN) at around 1 hour and 30 minutes, and Xiamen International Airport (XMN) with about a 3-hour and 30-minute layover. This variety allows you to mix and match prices, total travel times, and cabin classes to find the ideal itinerary.

  • Thai Airways International: As a full-service airline providing non-stop flights, it features one-way fares that generally range from $335 to $1,810. This carrier represents about 42% of departures on this route, with an overall travel duration of 9 hours and 30 minutes.
  • Scoot: A low-cost airline that offers one-stop services, Scoot's one-way fares typically fall between $165 and $565. It makes up around 26% of departures, with an in-flight duration of 11 hours and a total travel time of approximately 14 hours and 30 minutes, including layovers.
  • Qantas Airways: This full-service airline provides non-stop flights, with one-way ticket prices ranging from $495 to $2,965. Qantas accounts for roughly 12% of departures along this route, with a total journey time of 9 hours and 30 minutes.
  • Bangkok Airways: Offering non-stop flights as a full-service carrier, Bangkok Airways has one-way fares that usually range from $385 to $540. It constitutes about 7% of departures on this route, with a total travel time of 9 hours and 30 minutes.
  • China Southern Airlines: As a full-service airline providing one-stop services, its one-way fares typically range from $250 to $275. This carrier represents around 3% of departures, featuring an in-flight time of 11 hours and a total journey duration of about 14 hours and 30 minutes, including layovers.

Travelers flying from Sydney to Bangkok can enhance their journey by upgrading their flight. Thai Airways International offers a premium business class, while Qantas Airways provides options in both business class and premium economy class for added comfort.

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

The most popular months for travelers flying from Sydney to Bangkok are January, February, and March, when peak temperatures in Bangkok reach up to 85.6°F in March. If you prefer quieter travel, consider August, the least busy time to visit with temperatures around 83.7°F and typically the lowest average one-way fare (around $370). Flight availability peaks in February, with approximately 10 flights per week, making it easier to find convenient departure times.

  • Cheapest time to fly: August usually offers good deals with average one-way fare around $370, roughly 34% cheaper than the yearly average.
  • Most flight options: February has the highest number of flights from Sydney to Bangkok, with approximately 10 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January81.1°F (27.3°C)High9$494
February83.3°F (28.5°C)High10$488
March85.6°F (29.8°C)High9$520
April87.4°F (30.8°C)Average8$678
May87.3°F (30.7°C)Low8$489
June85.5°F (29.7°C)Average9$460
July83.8°F (28.8°C)Low7$462
August83.7°F (28.7°C)Low7$370
September82.8°F (28.2°C)Average8$739
October82.2°F (27.9°C)Average8$632
November82.0°F (27.8°C)Average9$529
December80.6°F (27.0°C)Average8$962

*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 Sydney (SYD) to Bangkok (BKK)

  • Sydney to Bangkok (SYD-DMK): Don Mueang International Airport (DMK) is located approximately 19 miles from Suvarnabhumi International Airport (BKK). One-way economy prices for this route generally vary between $190 and $465, influenced by the time of year and how far in advance you book. Travelers can choose from both direct and connecting flights. Leading airlines servicing this route include Thai AirAsia X and AirAsiaX, both of which are low-cost carriers.

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

Getting some of the best deals on flights from Sydney to Bangkok 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 2 to 8 weeks in advance, which coincides with when most travelers make their reservations. Evening departures from 6 PM to 12 AM often offer lower prices, although morning flights from 5 AM to 12 PM are more popular. Additionally, flying on Saturday generally yields cheaper rates, while Monday remains the most favored 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 Suvarnabhumi International Airport from Kingsford Smith International Airport

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

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Bangkok, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Suvarnabhumi International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Suvarnabhumi 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 Suvarnabhumi International Airport, Suvarnabhumi Airport Station, a metro station, is located about 0.6 miles away on foot, providing easy access to the city’s public transport system.

Frequently asked questions

How much does a flight from Sydney, NSW (SYD-Kingsford Smith Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) cost?
You can find cheap one-way flights from $265 and cheap return flights from $506 Sydney, NSW (SYD-Kingsford Smith Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) with Expedia. One-way flights usually range from $196 to $1908, and return flights typically cost between $399 and $4534. 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 Sydney, NSW (SYD-Kingsford Smith Intl.) to Bangkok (BKK-Suvarnabhumi 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 Sydney, NSW (SYD-Kingsford Smith Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
March is the cheapest month to fly from Sydney to Bangkok, with average return fares around $387. This price is about 30% lower than the average for the year, as travel demand typically decreases after the busy summer months. Other budget-friendly months to consider are May and August.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Sydney, NSW (SYD-Kingsford Smith Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
Choose from 7 airlines operating direct flights from SYD to BKK:

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

What is the cheapest airline that flies from Sydney, NSW (SYD-Kingsford Smith Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
Bangkok Airways is one of the cheapest airlines offering nonstop flights from Sydney, NSW (SYD) to Bangkok (BKK) starting from around $731. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Sydney, NSW (SYD-Kingsford Smith Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
To find a cheap flight from Sydney, NSW (SYD-Kingsford Smith Intl.) to Bangkok (BKK-Suvarnabhumi 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 Sydney, NSW (SYD-Kingsford Smith Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
The best airline to fly with from Sydney, NSW (SYD) to Bangkok (BKK) 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, Thai Airways International typically offers the lowest fares. Qantas Airways also offers the most daily flights from SYD to BKK, 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 Sydney, NSW (SYD-Kingsford Smith Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
For flights from Sydney (SYD) to Bangkok (BKK), March and May are your best options. Return flights during these months average about $387, making them the most affordable times to travel. March offers pleasant weather, while May is popular for its vibrant atmosphere before the rainy season.*Prices based on flights available on Expedia in the last year.
How many flights per day from Sydney, NSW (SYD-Kingsford Smith Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
You can find approximately 4 nonstop flights per day from Kingsford Smith Intl. (SYD) to Suvarnabhumi Intl. (BKK). For more options, look at flights that include layovers.
What is the earliest flight from Sydney, NSW (SYD-Kingsford Smith Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
The earliest flight from Sydney (SYD) to Bangkok (BKK) usually departs at around 6:00 AM, operated by Jetstar and China Southern Airlines. This is a seasonal service active in October, allowing you to start your adventure early in the day. An early departure can help you make the most of your time in Bangkok. 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 Sydney, NSW (SYD-Kingsford Smith Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
The most popular departure times for flights from Kingsford Smith Intl. (SYD) to Suvarnabhumi Intl. (BKK) are from 9am to noon. About 27% of passengers prefer this time window. Many major carriers, including Qantas Airways, Malaysia Airlines, and Thai Airways International, offer flights during this window. This timing works well because it allows you to start your day in Sydney and arrive in Bangkok ready to explore.
How long does it take to fly from Sydney, NSW (SYD-Kingsford Smith Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
A nonstop flight from SYD to BKK typically takes around 9 hours 50 minutes, covering approximately 4,669 miles. Connecting flights on this route usually add 14 hours 10 minutes to your travel time. 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 Sydney, NSW (SYD-Kingsford Smith Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
You can fly business class between SYD and BKK. Airlines that offer business class service on this route include:

  • Malaysia Airlines
  • Qantas Airways
  • Thai Airways International
  • China Airlines
  • Cathay Pacific
  • Hong Kong Airlines
  • Singapore Airlines
  • China Southern Airlines
  • Xiamen Airlines
  • Virgin Australia

How much is a business class flight from Sydney, NSW (SYD-Kingsford Smith Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
A direct, return business class ticket from Sydney, NSW (SYD) to Bangkok (BKK) typically costs between $4,262 - $7,002. A non-stop, one-way business class flight is usually around $1,982 - $2,937. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Sydney, NSW (SYD-Kingsford Smith Intl.) to Bangkok (BKK-Suvarnabhumi 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 Sydney, NSW (SYD-Kingsford Smith Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) flight with Expedia?
It's easy to earn miles on a Sydney, NSW (SYD-Kingsford Smith Intl.) to Bangkok (BKK-Suvarnabhumi 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 Bangkok from Kingsford Smith Intl. (SYD)?
From Kingsford Smith Intl. (SYD), you can fly into Suvarnabhumi Intl. (BKK) and Don Mueang Intl. (DMK) in Bangkok. Some flights may connect through major hubs like BNE (BNE), Tullamarine (MEL), PER (PER) before reaching Bangkok. 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 Sydney, NSW (SYD-Kingsford Smith Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) at the last minute?
Typically, booking a last minute flight from Sydney, NSW (SYD-Kingsford Smith Intl.) to Bangkok (BKK-Suvarnabhumi 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 Sydney, NSW (SYD-Kingsford Smith Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) flight and hotel package?
Securing a Sydney, NSW (SYD-Kingsford Smith Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) Bangkok 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 Sydney, NSW (SYD-Kingsford Smith Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
If you booked your Sydney, NSW (SYD-Kingsford Smith Intl.) to Bangkok (BKK-Suvarnabhumi 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
Kingsford Smith Intl.
Destination airport
Suvarnabhumi Intl.
Airlines serving
Air China, Asiana Airlines, British Airways, Cathay Pacific, China Airlines, China Eastern Airlines, China Southern Airlines, Emirates, Hong Kong Airlines, Jetstar, Korean Air, Malaysia Airlines, Philippine Airlines, Qantas Airways, Scoot, Sichuan Airlines, Thai Airways International, Vietjet Air, Vietnam Airlines, Xiamen Airlines
Roundtrip price
$505
Distance
4668 mi
Average flight time
6 hours 30 mins

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*Flight schedules are subject to change.

*Available to One Key members.

 

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