Find Cheap Flights from Sydney to Bangkok – Compare and Save

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Everything you should know

Direct flights
You can fly direct with Thai Airways and Qantas Airways. Average duration is 9h 32m
Direct flights
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Direct flights
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Top routes
Cheapest • 19% average savings
Most popular
Insights
Insights
Avoid delays
Most punctual • 88% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 15 weeks in advance save around 7% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 11% price drop
Most popular
Good to know
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Good to know
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Top stopover airports
Cheapest • Avg $715 (return)
Shortest trip • 12h 14m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Sydney to Bangkok (SYD-BKK)

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

Recent return flight deals from Sydney to Bangkok

Multiple Airlines Logo
SYD  Sydney Airport-TH1 Glasgow Thorntonhall
12120 kmmulti-stop
Multiple Airlines Logo
TH1  Glasgow Thorntonhall-SYD Sydney Airport
12120 kmmulti-stop
Multiple Airlines
Booking Insights

Price, demand, and travel trends for Sydney to Bangkok 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 Sydney to Bangkok?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Sydney to Bangkok. It's 2% cheaper than the average day, while Friday is the most expensive, with prices 2% higher.

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

•February is the cheapest month to fly from Sydney to Bangkok at $972 return.
•December ($1,659) and January ($1,243) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 70% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Sydney to Bangkok the cheapest?

Flights from Sydney to Bangkok are cheapest 15 weeks before departure. Booking in this window typically costs about 7% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Sydney to Bangkok flights

Low season

August
Beat the crowds with an average 27% drop in travellers.
The most popular month to fly with an average 38% increase in travellers.

When to book flights from Sydney to Bangkok

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

Your Sydney to Bangkok 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 Sydney to Bangkok?

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

    • Earliest: departs at 10:00 and lands at 19:32
    • Latest: departs at 15:25 and lands at 00:57.

    The flight takes about 9h 32m.

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

    Four cabin classes are available on flights from Sydney to Bangkok:

    • Economy class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How long is a flight from Sydney to Bangkok?

    A direct flight from Sydney to Bangkok takes 9h 32m, covering 12,120 km.

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

    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 Sydney to Bangkok flight?

    Return flights from Sydney to Bangkok range from $862 to $1,368, with an average of $1,090 over the past 12 months. Anything below $862 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 2% above the $1,090 route average. Book 15 weeks before departure for the lowest fares.

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

    On this route, stopover flights are cheaper than direct options on average. Stopover fares average $715 return via Beijing Capital (PEK), compared with $1,221 for direct.

  • What is the standard checked bag allowance on flights from Sydney to Bangkok?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge $34–$142 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

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

    Morning is the busiest departure period on Sydney to Bangkok flights, with 67% leaving in that window. Afternoon departures account for 33%, Evening flights for 0%, and Night flights for 0%.

  • What car hire options are available in Bangkok?

    Since Bangkok is served by multiple airports, car hire options and rates can vary depending on which one you fly into.
    Near Bangkok Suvarnabhumi Airport (BKK) – daily rates from around $18:

    • Drive Car Rental
    • Alamo
    • Sixt
    • Yesaway
    • Hertz

    Near Bangkok Don Mueang Intl Airport (DMK) – daily rates from around $10:

    • Drive Car Rental
    • Alamo
    • Thai Rent
    • Chic Car Rent
    • Hertz

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

    Flights from Sydney to Bangkok usually depart from Sydney Kingsford Smith (SYD) and may arrive at several airports in Bangkok area, including Bangkok Suvarnabhumi (BKK) and Bangkok Don Mueang Intl (DMK).

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

    Afternoon flights have the fewest delays on this route, while morning departures tend to have the most.

  • At what point is a flight considered delayed from Sydney to Bangkok?

    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 Sydney to Bangkok route, 16% of flights were delayed in the past three months, with delays averaging 1h 40m.

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

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

    • Singapore Changi (SIN) – 51% of one-stop connections
    • Kuala Lumpur Intl (KUL) – 24% of one-stop connections
    • Guangzhou Baiyun (CAN) – 12% of one-stop connections
    • Ho Chi Minh City (SGN) – 4% of one-stop connections

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

    Yes. Flexible dates can save you up to 5% on flights from Sydney to Bangkok. Wednesday is the cheapest departure day at $1,072 return on average, while Friday is the most expensive at $1,118, a difference of $45.

    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 Sydney to Bangkok?

    2 airlines operate flights between Sydney and Bangkok. 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 Sydney to Bangkok?

    Flying via Phuket City (HKT) gives the shortest average 1-stop total travel time of 12h 14m, compared to 13h 32m via Kuala Lumpur Intl (KUL) and 13h 42m via Melbourne (MEL).

  • What is the time difference between Sydney and Bangkok?

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

  • What popular places can I visit in Bangkok?

    Some of the most popular sights in Bangkok are Pratunam, Thailand Cultural Center, and Siam Square. These are among the most viewed places in Bangkok on KAYAK.

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

    Among airlines operating Sydney to Bangkok flights:

    • Thai Airways: offers free seat selection
    • Qantas Airways: offers extra legroom; offers free seat selection
    • Emirates: offers free seat selection
    • Bangkok Airways: 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 Sydney to Bangkok 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.

Your guide to booking Sydney to Bangkok 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 Wednesday departure and avoid flying on Friday. On this route, Wednesday flights average $1,072, about $45 less than Friday fares (4% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 15 weeks before you fly. On this route, that window historically saves about 7% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Sydney to Bangkok trip for February. Fares historically average $972 return in that month – typically $688 less than the most expensive month, which is December (based on the last 12 months).
  • For the best chance of arriving on time, fly with Thai Airways. Over the past three months, 88% of Thai Airways flights from Sydney to Bangkok arrived on time, slightly above the route average of 84%. When flights on this route arrive late, they're delayed by an average of 1h 40m, 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 Beijing Capital Airport (PEK) can be cheaper than flying direct. The cheapest stopover option averages $715 return on this route – about $506 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, hotels close to the airport you're flying into can be a convenient option.

    Near Bangkok Suvarnabhumi Airport

    • Regency Bangkok Suvarnabhumi Airpor
    • Suvarnabhumi Ville Airport Hotel
    • Siam Mandarina Bangkok Suvarnabhumi Airport Hotel (Free Shuttle)

    Near Bangkok Don Mueang Intl Airport

    • Amari Don Muang Airport Bangkok
    • Don Muang Hotel
    • The Royal Bee Apart Hotel

Prefer to fly direct from Sydney Kingsford Smith to Bangkok?

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

Direct departures

Sydney Kingsford Smith to Bangkok

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

Bangkok 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

More options for your flight from Sydney to Bangkok

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