BKK - SYD

213€ Find Cheap Flights from Bangkok to Sydney – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
492 €
Typical prices: 547 €-838 €
China Southern, Scoot
Mon 26.2.Thu 8.3.
BKK - SYD • 1 stop
Cheapest direct flights
695 €
Typical prices: 703 €-916 €
Qantas Airways
Fri 23.2.Fri 2.3.
BKK - SYD • Direct
Direct flights
You can fly direct with Thai Airways and Qantas Airways. Average duration is 9h 23m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 94% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 24 weeks in advance save around 30% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 23% price drop
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Cheapest • Avg 435 € (return)
Shortest trip • 12h 02m (one-way)
Insights
Insights
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We hope you enjoy your trip to Sydney!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Bangkok to Sydney (BKK-SYD)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Suvarnabhumi to Sydney

Fri, 26. Feb - Mon, 8. Mar
Multiple Airlines Logo
12:10 - 7:30BKK  Bangkok Suvarnabhumi-SYD Sydney Kingsford Smith
15h 20m1 stop Shenzhen
Multiple Airlines Logo
13:25 - 19:15SYD  Sydney Kingsford Smith-BKK Bangkok Suvarnabhumi
33h 50m1 stop Singapore Changi
492 €Multiple Airlines
Sat, 19. Dec - Sun, 10. Jan
XiamenAir Logo
1:50 - 10:35BKK  Bangkok Suvarnabhumi-SYD Sydney Kingsford Smith
28h 45m1 stop Xiamen Gaoqi Intl
XiamenAir Logo
12:35 - 18:45SYD  Sydney Kingsford Smith-BKK Bangkok Suvarnabhumi
34h 10m1 stop Xiamen Gaoqi Intl
507 €XiamenAir
Sun, 27. Dec - Fri, 15. Jan
Multiple Airlines Logo
14:00 - 10:00BKK  Bangkok Suvarnabhumi-SYD Sydney Kingsford Smith
16h 00m1 stop Ho Chi Minh City
Multiple Airlines Logo
21:25 - 17:20SYD  Sydney Kingsford Smith-BKK Bangkok Suvarnabhumi
23h 55m1 stop Chengdu Tianfu Intl
515 €Multiple Airlines
Thu, 11. Feb - Thu, 25. Feb
Scoot Logo
11:50 - 18:50BKK  Bangkok Suvarnabhumi-SYD Sydney Kingsford Smith
27h 00m1 stop Singapore Changi
Scoot Logo
20:05 - 19:15SYD  Sydney Kingsford Smith-BKK Bangkok Suvarnabhumi
27h 10m1 stop Singapore Changi
524 €Scoot
Wed, 17. Feb - Tue, 30. Mar
Scoot Logo
22:20 - 18:50BKK  Bangkok Suvarnabhumi-SYD Sydney Kingsford Smith
16h 30m1 stop Singapore Changi
Scoot Logo
14:00 - 15:50SYD  Sydney Kingsford Smith-BKK Bangkok Suvarnabhumi
29h 50m1 stop Singapore Changi
538 €Scoot
Thu, 18. Feb - Tue, 30. Mar
Scoot Logo
22:20 - 18:50BKK  Bangkok Suvarnabhumi-SYD Sydney Kingsford Smith
16h 30m1 stop Singapore Changi
Scoot Logo
21:35 - 15:50SYD  Sydney Kingsford Smith-BKK Bangkok Suvarnabhumi
22h 15m1 stop Singapore Changi
539 €Scoot
Tue, 23. Feb - Tue, 2. Mar
Qantas Airways Logo
18:00 - 7:35BKK  Bangkok Suvarnabhumi-SYD Sydney Kingsford Smith
9h 35mdirect
Qantas Airways Logo
10:25 - 16:10SYD  Sydney Kingsford Smith-BKK Bangkok Suvarnabhumi
9h 45mdirect
695 €Qantas Airways
Thu, 25. Feb - Mon, 1. Mar
Qantas Airways Logo
18:00 - 7:35BKK  Bangkok Suvarnabhumi-SYD Sydney Kingsford Smith
9h 35mdirect
Qantas Airways Logo
10:25 - 16:10SYD  Sydney Kingsford Smith-BKK Bangkok Suvarnabhumi
9h 45mdirect
721 €Qantas Airways
Mon, 2. Nov - Wed, 18. Nov
Thai Airways Logo
8:35 - 21:55BKK  Bangkok Suvarnabhumi-SYD Sydney Kingsford Smith
9h 20mdirect
Thai Airways Logo
15:25 - 20:50SYD  Sydney Kingsford Smith-BKK Bangkok Suvarnabhumi
9h 25mdirect
731 €Thai Airways
Mon, 9. Nov - Mon, 16. Nov
Thai Airways Logo
22:35 - 11:55BKK  Bangkok Suvarnabhumi-SYD Sydney Kingsford Smith
9h 20mdirect
Thai Airways Logo
15:25 - 20:50SYD  Sydney Kingsford Smith-BKK Bangkok Suvarnabhumi
9h 25mdirect
735 €Thai Airways
Booking Insights

Price, demand, and travel trends for Bangkok Suvarnabhumi Airport to Sydney flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

What's the cheapest day of the week to fly from Bangkok Suvarnabhumi Airport to Sydney?

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Bangkok Suvarnabhumi Airport to Sydney. It’s 12% cheaper than the average day, while Friday is the most expensive, with prices 6% higher.

What is the cheapest month to fly from Bangkok Suvarnabhumi Airport to Sydney?

•June is the cheapest month to fly from Bangkok Suvarnabhumi Airport to Sydney at 554 € return.
•January (791 €) and October (784 €) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 42% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Bangkok Suvarnabhumi Airport to Sydney the cheapest?

Flights from Bangkok Suvarnabhumi Airport to Sydney are cheapest 24 weeks before departure. Booking in this window typically costs about 30% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Bangkok Suvarnabhumi Airport to Sydney flights

Low season

June

Cheapest flight

213 €
Beat the crowds with an average 20% drop in traveller numbers.
The most popular month to fly with an average 28% increase in traveller numbers.
One-way flight from Bangkok Suvarnabhumi Airport to Sydney

When to book flights from Suvarnabhumi to Sydney

Are your dates flexible? Find out the best times to travel from Suvarnabhumi to Sydney based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Flights from Suvarnabhumi to Sydney: the best tips from KAYAK users' own experiences

Insights shared by verified travellers who flew the route from Suvarnabhumi to Sydney 
AndrewFlew with Qantas Airways-Jul 2026
Economy is economy. Get what you pay for but if you want a bit of comfort on a red-eye flight then upgrade for a better than experience.
Verified travelerFlew with Thai Airways-Apr 2024
Make sure your hand carry has wheels so they can be drag on and off the flight easier as the flight is nine hour long.

Your Bangkok Suvarnabhumi Airport to Sydney flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • What are the earliest and latest flights from Bangkok Suvarnabhumi Airport to Sydney?

    These are the earliest and latest flight times available from Bangkok Suvarnabhumi Airport to Sydney:

    • Earliest: departs at 8:30 and lands at 17:53
    • Latest: departs at 22:35 and lands at 7:58.

    The flight takes about 9h 23m.

  • Which cabin classes can I book on flights from Bangkok Suvarnabhumi Airport to Sydney?

    Three cabin classes are available on flights from Bangkok Suvarnabhumi Airport to Sydney:

    • Economy class
    • Premium Economy Class
    • Business Class

  • How long is a flight from Bangkok Suvarnabhumi Airport to Sydney?

    A direct flight from Bangkok Suvarnabhumi Airport to Sydney takes 9h 23m, covering 12.085 km.

  • Do I need a passport to fly from Bangkok Suvarnabhumi Airport to Sydney?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Bangkok Suvarnabhumi Airport to Sydney flight?

    Return flights from Bangkok Suvarnabhumi Airport to Sydney range from 547 € to 838 €, with an average of 718 € over the past 12 months. Anything below 547 € counts as a good deal.

  • How expensive are last-minute Bangkok Suvarnabhumi Airport to Sydney flights?

    Last-minute fares on this route (booked within two weeks of departure) run 9% above the 718 € route average. Book 24 weeks before departure for the lowest fares.

  • How much can I save by having a stopover when flying from Bangkok Suvarnabhumi Airport to Sydney?

    On this route, stopover flights are cheaper than direct options on average. Stopover fares average 435 € return via Manila Ninoy Aquino Intl (MNL), compared with 785 € for direct.

  • Which aircraft model is used most often on flights from Bangkok Suvarnabhumi Airport to Sydney?

    The Airbus A330-300 family is used most often on this route, operated mainly by Qantas Airways and Emirates. Other aircraft seen on the route include Airbus A350-900 variants.

  • How are flight departures from Bangkok Suvarnabhumi Airport to Sydney spread across the day?

    Morning is the busiest departure period on Bangkok Suvarnabhumi Airport to Sydney flights, with 34% leaving in that window. Evening departures account for 33%, Night flights for 33%, and Afternoon flights for 0%.

  • How are flight prices from Bangkok Suvarnabhumi Airport to Sydney looking right now?

    One-way fares from Bangkok Suvarnabhumi Airport to Sydney are currently lower than usual. Average one-way flight prices are about 299 €, which is 21% below the typical average for this route.

  • Which car hire options are available at Sydney Kingsford Smith Airport (SYD)?

    Sydney Kingsford Smith Airport (SYD) hosts 5 major car rental companies, with daily rates starting from around 9 € for economy cars. Top options include:

    • East Coast Car Rentals
    • Bargain Car Rentals
    • YESDRIVE CAR RENTAL
    • No Birds
    • EverythingFleet

  • Which airports can I use when flying from Bangkok Suvarnabhumi Airport to Sydney?

    Flights from Bangkok Suvarnabhumi Airport to Sydney usually depart from Bangkok Suvarnabhumi (BKK) and arrive at Sydney Kingsford Smith (SYD).

  • What time of day has the fewest delays on flights from Bangkok Suvarnabhumi Airport to Sydney?

    Morning flights have the fewest delays on this route, while evening departures tend to have the most.

  • At what point is a flight considered delayed on the route from Bangkok Suvarnabhumi Airport to Sydney?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Bangkok Suvarnabhumi Airport to Sydney route, 11% of flights were delayed in the past three months, with delays averaging 1h 51m.

  • Which airports do connecting flights from Bangkok Suvarnabhumi Airport to Sydney pass through?

    One-stop flights from Bangkok Suvarnabhumi Airport to Sydney most commonly connect through:

    • Singapore Changi (SIN) – 70% of one-stop connections
    • Ho Chi Minh City (SGN) – 8% of one-stop connections
    • Kuala Lumpur Intl (KUL) – 7% of one-stop connections
    • Guangzhou Baiyun (CAN) – 5% of one-stop connections

  • Can I save money by using flexible dates for flights from Bangkok Suvarnabhumi Airport to Sydney?

    Yes. Flexible dates can save you up to 17% on flights from Bangkok Suvarnabhumi Airport to Sydney. Thursday is the cheapest departure day at 633 € return on average, while Friday is the most expensive at 762 €, a difference of 129 €.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • Which airlines fly from Bangkok Suvarnabhumi Airport to Sydney?

    2 airlines operate flights between Bangkok Suvarnabhumi Airport and Sydney. The airlines offering direct flights on this route include:

    • Thai Airways
    • Qantas Airways

  • How much time can I save by choosing a different stopover airport from Bangkok Suvarnabhumi Airport to Sydney?

    Flying via Phuket City (HKT) gives the shortest average 1-stop total travel time of 12h 02m, compared to 12h 56m via Kuala Lumpur Intl (KUL) and 13h 46m via Brisbane (BNE).

  • What is the time difference between Bangkok Suvarnabhumi Airport and Sydney?

    Sydney is 4 hours ahead of Bangkok Suvarnabhumi Airport (Eastern Australia Time vs Indochina Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Sydney?

    Sydney Opera House is one of the most viewed places in Sydney on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Bangkok Suvarnabhumi Airport to Sydney flights?

    Among airlines operating Bangkok Suvarnabhumi Airport to Sydney flights:

    • Thai Airways: offers free seat selection
    • Emirates: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Bangkok Suvarnabhumi Airport to Sydney flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Thai Airways: a cabin bag and a checked bag in Economy class
    • Qantas Airways: a cabin bag and a checked bag in Economy class
    • Emirates: a cabin bag and a checked bag in Economy class

    Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.

  • How do I get to the Bangkok Airport?

    There is a train that can connect you to the BKK Airport from the Bangkok Phaya Thai Station between 06:00–00:00; this ride takes about 30 minutes. The airport train station is in the airport basement so you will be conveniently placed for your flight. If you’re flying from Don Mueang, there are several train services that take you straight to the airport from the Bangkok Central Train Station.

  • Is there anywhere I can relax before my flight at the Bangkok Airport?

    Those flying from BKK Airport can take advantage of massage and spa treatments at either the Express Spa Body & Foot Massage on Level 4 of the International Terminal, or at the Ruean Rak Spa & Massage in the Main Terminal. Those flying from Don Mueang Airport can enjoy massage chairs in the Amaxs Health Focus area or stretch their muscles on one of the exercise machines; or there is the Orchid Spa on Floor 4.

  • Are there any lounges at the Bangkok Airport?

    You can find airline lounges at each concourse in the BKK Airport. If you do not have a specific airline pass, all fliers can pay at the door to access the Miracle Business Class Lounges. Alternatively, you can buy a pass online before your flight to guarantee entry. The Miracle Lounges are located on each concourse and have a range of services from showers to business zones with printers and faxes to a bar and buffet.

  • Is there anything to eat at the Sydney Airport?

    To help keep you going after your flight from Bangkok to Sydney, you can find some eateries in the Sydney Airport Terminal 1 Arrivals Area. Quick, Lebanese baked snacks can be found at Ooosh Oregano Bakery near Exit A, or you can sit and have a drink at Coopers Alehouse. For a greater range, there is a Food Court in the Terminal 1 Check-in Area, a short walk from Arrivals. Restaurants are not 24h, but some close as late as 22:00 and open as early as 04:00.

  • How do I get from Sydney Airport into the city?

    There is a train station located not far from Terminal 1 International Arrivals. The Sydney Airport is connected to Central Station in downtown Sydney by the T8 Line. Tickets are sold at the train stations but if you are staying in Sydney for more than a few days, you may want to consider an Opal Card for discounted fares on trains, buses, and ferries.

Your guide to booking Bangkok Suvarnabhumi Airport to Sydney flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Friday. On this route, Thursday flights average 633 €, about 129 € less than Friday fares (17% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 24 weeks before you fly. On this route, that window historically saves about 30% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Bangkok Suvarnabhumi Airport to Sydney trip for June. Fares historically average 554 € return in that month – typically 237 € less than the most expensive month, which is January (based on the last 12 months).
  • For the best chance of arriving on time, fly with Thai Airways. Over the past three months, 94% of Thai Airways flights from Bangkok Suvarnabhumi Airport to Sydney arrived on time, slightly above the route average of 89%. When flights on this route arrive late, they're delayed by an average of 1h 51m, so choosing an airline with strong on-time performance can make a difference if you're on a tight schedule.
  • If you have the time, taking a 1-stop flight through Manila Ninoy Aquino Intl Airport (MNL) can be cheaper than flying direct. The cheapest stopover option averages 435 € return on this route – about 351 € less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Sydney Kingsford Smith Airport.

    • Rydges Sydney Airport Hotel
    • ibis budget Sydney Airport
    • Citadines Connect Sydney Airport
  • There are two airports in Bangkok that you could fly out of. The Suvarnabhumi International Airport (BKK) is the city’s largest and newest, and now the major international airport. However, there are still regular flights to Australia departing from the Don Mueang Airport (DMK).
  • There are a few different airlines that provide direct flights from Bangkok to Sydney Kingsford Smith Airport (SYD). For those that prefer a local airline, Qantas offers regular flights from BKK Airport. You can also find good deals with Thai Airways.
  • If you would like to protect your luggage on your flight from Bangkok to Sydney, you can find the luggage-wrapping facilities at the Floor 4 Departure Hall, next to the airport entrances.
  • If you’re travelling with children, you can find Children’s Play Areas at the BKK Airport on Concourse B and D by the lounges and on the 4th floor of Concourse C and D. If you’re flying from Don Mueang Airport, there are Play Areas on Floor 3.
  • Those looking for some last-minute supplies or some travel sickness medication can find several Boots pharmacies throughout the BKK Airport. There is one in the Check-in Hall before security, or you can find them airside in Concourse A and G.
  • Feeling a little lost at the Sydney Airport? You can find Airport Ambassadors stationed in the Arrivals Area and Baggage Claim Area, ready to help you with any questions. They are recognisable by their bright blue jackets.

Prefer to fly direct from Bangkok Suvarnabhumi to Sydney Kingsford Smith?

 
Find which airlines fly direct from Bangkok Suvarnabhumi Airport to Sydney Kingsford Smith Airport, which days they fly and book direct flights.

Direct departures

Bangkok Suvarnabhumi to Sydney Kingsford Smith

Monday

Qantas Airways,Thai Airways

Qantas Airways,Thai Airways

Tuesday

Qantas Airways,Thai Airways

Qantas Airways,Thai Airways

Wednesday

Qantas Airways,Thai Airways

Qantas Airways,Thai Airways

Thursday

Qantas Airways,Thai Airways

Qantas Airways,Thai Airways

Friday

Qantas Airways,Thai Airways

Qantas Airways,Thai Airways

Saturday

Qantas Airways,Thai Airways

Qantas Airways,Thai Airways

Sunday

Qantas Airways,Thai Airways

Qantas Airways,Thai Airways

See more direct flights

Direct returns

Sydney Kingsford Smith to Bangkok Suvarnabhumi

Monday

Qantas Airways,Thai Airways

Qantas Airways,Thai Airways

Tuesday

Qantas Airways,Thai Airways

Qantas Airways,Thai Airways

Wednesday

Qantas Airways,Thai Airways

Qantas Airways,Thai Airways

Thursday

Qantas Airways,Thai Airways

Qantas Airways,Thai Airways

Friday

Qantas Airways,Thai Airways

Qantas Airways,Thai Airways

Saturday

Qantas Airways,Thai Airways

Qantas Airways,Thai Airways

Sunday

Qantas Airways,Thai Airways

Qantas Airways,Thai Airways

See more direct flights

More options for your flight from Suvarnabhumi to Sydney

Complete your trip to Sydney with a hotel stay or car hire