฿3,020+ Cheap flights from Sydney

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SYD — BKK
17 Jan — 24 Jan1
1 adult
1 adult, Economy, 0 bags

What to know about flights from Sydney

Discover essential information about flights departing from Sydney, including flight schedules, destinations, airlines operating at the Sydney airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 18 December 2025.

Cheapest airline

Singapore Airlines

Good round-trip deal

฿7,759 or less

Good one-way deal

฿5,582 or less
On average, Singapore Airlines currently has the cheapest one-way flight from Sydney Kingsford Smith (avg. price of ฿19,119).
Price to beat on a round-trip flight from Sydney Kingsford Smith.
Price to beat on a one-way flight from Sydney Kingsford Smith.

Find flights from Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Sydney
Explore the most affordable flight options available from Sydney. Find the lowest fares based on data from user searches, with prices last updated on 18 December 2025.

Sun 26/420:50SYD - KBV
1 stop17h 00mMultiple Airlines
Fri 15/514:25KBV - SYD
1 stop14h 55mMultiple Airlines
Deal found 18/12฿10,036
Mon 4/513:05SYD - HKT
Nonstop9h 15mMultiple Airlines
Tue 12/515:20HKT - SYD
1 stop25h 15mMultiple Airlines
Deal found 17/12฿12,396
Wed 25/215:00SYD - HKT
Nonstop9h 05mMultiple Airlines
Sun 8/310:55HKT - SYD
1 stop27h 55mMultiple Airlines
Deal found 15/12฿12,427
Mon 2/321:50SYD - HKT
1 stop13h 50mMultiple Airlines
Tue 31/320:35HKT - SYD
1 stop20h 00mMultiple Airlines
Deal found 15/12฿12,459
Sun 1/321:50SYD - HKT
1 stop19h 10mMultiple Airlines
Sat 28/314:10HKT - SYD
1 stop13h 55mMultiple Airlines
Deal found 15/12฿12,490
Sun 1/321:50SYD - HKT
1 stop19h 10mMultiple Airlines
Wed 1/420:35HKT - SYD
1 stop12h 10mMultiple Airlines
Deal found 15/12฿12,553
Sun 8/220:05SYD - HKT
1 stop17h 50mScoot
Tue 24/210:55HKT - SYD
1 stop27h 55mScoot
Deal found 17/12฿12,616
Tue 3/213:35SYD - CNX
1 stop30h 10mScoot
Tue 3/316:45CNX - SYD
1 stop22h 05mScoot
Deal found 18/12฿12,679
Thu 26/220:05SYD - HKT
1 stop17h 50mScoot
Sat 28/320:20HKT - SYD
1 stop12h 25mScoot
Deal found 15/12฿12,679
Wed 18/313:35SYD - HKT
1 stop33h 45mScoot
Sun 22/310:55HKT - SYD
1 stop27h 55mScoot
Deal found 18/12฿12,710
Wed 11/315:00SYD - HKT
Nonstop9h 05mMultiple Airlines
Sun 15/310:55HKT - SYD
1 stop27h 55mMultiple Airlines
Deal found 17/12฿12,742
Sun 3/520:50SYD - BKK
1 stop14h 15mMultiple Airlines
Mon 18/515:45BKK - SYD
1 stop12h 35mMultiple Airlines
Deal found 16/12฿12,773

Find flights from Sydney within your budget

 
Find flights departing from Sydney that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 18 December 2025. In the last 7 days, Cheapflights users made a total of 17,341 searches

Fly to

Suvarnabhumi

Route

Depart

Return

Price

SydneyKrabi

SYD - KBV

SYDKBV

Sydney Kingsford Smith

Sun 26/4

20:50-10:50

1 stop17h 00m

Krabi

Fri 15/5

17:10-08:20

1 stop12h 10m

฿10,068

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

Tue 3/2

13:35-15:45

1 stop30h 10m

Chiang Mai

Tue 3/3

16:45-18:50

1 stop22h 05m

฿12,679

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

Fri 15/5

13:05-13:40

1 stop27h 35m

Chiang Mai

Sun 31/5

12:35-06:25

1 stop14h 50m

฿13,308

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

Wed 25/3

13:35-15:45

1 stop30h 10m

Chiang Mai

Tue 7/4

17:40-19:35

1 stop22h 55m

฿13,623

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

Wed 20/5

20:50-16:40

1 stop22h 50m

Chiang Mai

Sun 31/5

17:40-19:35

1 stop22h 55m

฿13,686

SydneyPhuket City

SYD - HKT

SYDHKT

Sydney Kingsford Smith

Mon 2/3

15:00-20:05

Nonstop9h 05m

Phuket City

Wed 18/3

21:45-10:40

Nonstop8h 55m

฿14,095

SydneyPhuket City

SYD - HKT

SYDHKT

Sydney Kingsford Smith

Thu 16/4

12:55-19:15

Nonstop9h 20m

Phuket City

Sat 2/5

21:05-08:50

Nonstop8h 45m

฿14,095

SydneyPhuket City

SYD - HKT

SYDHKT

Sydney Kingsford Smith

Sat 31/1

15:00-20:05

Nonstop9h 05m

Phuket City

Sat 7/2

21:45-10:40

Nonstop8h 55m

฿14,095

SydneyKrabi

SYD - KBV

SYDKBV

Sydney Kingsford Smith

Fri 30/1

20:05-22:40

1 stop30h 35m

Krabi

Fri 6/2

12:20-16:15

2 stops23h 55m

฿14,504

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

Fri 15/5

20:50-16:40

1 stop22h 50m

Chiang Mai

Sun 31/5

06:50-07:20

2 stops21h 30m

฿14,787

Flights are sorted by cheapest return flights first.

Deals found on 17/12

Showing 1-10 of 60 results
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Best time to book a flight from Sydney

Have a flexible travel schedule? Discover the best time to fly from Sydney with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Sydney

Get recent, data-driven insights about flights from Sydney including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Sydney?

Use this chart to determine the optimal time to book a return flight from Sydney to Suvarnabhumi. Price data was last updated on 12 December 2025.

Booking 58 days in advance of your planned departure date is, on average, the best time to get cheap flights from Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Sydney?

Currently, May is the cheapest month in which you can book a flight from Sydney (average of ฿9,187). Flying from Sydney in December will prove the most costly (average of ฿17,587). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

When is the cheapest time to fly from Sydney?

Use this chart to determine the cheapest time to fly return from Sydney to Suvarnabhumi. Price data was last updated on 13 December 2025.

Those who are seeking the cheapest fare on flights departing from Sydney would be wise to consider leaving during Friday evenings when prices are typically at their lowest. When considering other options, price-conscious travelers should avoid Tuesday afternoons when fares are usually the most expensive.

Airline reviews for flights from Sydney

Get insights into the airlines that provide service from Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Sydney. In the last 7 days, Cheapflights users made a total of 17,341 searches.
Read reviews from past customers who have flown Singapore Airlines, Thai Airways, andแควนตัสแอร์เวย์ from Sydney. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.3

Crew

8.6

Overall

8.1

Food

7.8

Comfort

8.0

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

Boarding

8.3

Crew

8.6

Overall

8.1

Food

7.8

Comfort

8.0

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

Boarding

8.3

Crew

8.6

Overall

8.1

Food

7.8

Comfort

8.0

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

Boarding

8.3

Crew

8.6

Overall

8.1

Food

7.8

Comfort

8.0

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

Boarding

8.3

Crew

8.6

Overall

8.1

Food

7.8

Comfort

8.0

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

Boarding

8.3

Crew

8.6

Overall

8.1

Food

7.8

Comfort

8.0

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

Browse thousands of different options on Cheapflights for your next trip

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Fly your favourite airline from Sydney

Browse through various options for flying your favourite airline from Sydney. Flight routes are based on user searches made on Cheapflights and were last updated on 18 December 2025.

Related info for your journey

Access useful and relevant information related to your journey from Sydney. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 18 December 2025.
  • What are the most popular destinations to fly to from Sydney?

    The most selected flight destinations from Sydney for the current month are Bangkok Suvarnabhumi Airport, Mumbai, Auckland. While Bangkok Suvarnabhumi Airport, Auckland, Brisbane are the top choices made by travellers year-round.

  • What is the cheapest flight from Sydney to anywhere?

    Users have flown out of Sydney for as low as ฿5,582 to Brisbane (prices may vary depending on the airline and departure time). On average, users have booked flights for ฿14,462 to fly from Sydney.

  • What are the cheapest airlines flying from Sydney to anywhere?

    According to our data, users have found Scoot, China Southern, and Thai Airways to have the cheapest round-trip prices from Sydney. Some of the destinations and prices are as follows: Scoot flights from Sydney to Bangkok Suvarnabhumi (฿9,469). China Southern flights from Sydney to Bangkok Suvarnabhumi (฿12,614). Thai Airways flights from Sydney to Bangkok Suvarnabhumi (฿15,029).

  • What is the cheapest premium economy flight from Sydney?

    If you're looking for an elevated level of comfort for your next adventure, premium economy flights from Sydney may suit your needs. The cheapest premium economy flights from Sydney are:
    Fly Sydney Kingsford Smith to Auckland from ฿24,535
    Fly Sydney Kingsford Smith to Singapore from ฿48,476
    Fly Sydney Kingsford Smith to Hanoi from ฿73,803
    Fly Sydney Kingsford Smith to Bangkok Suvarnabhumi Airport from ฿79,681

  • What is the cheapest month to fly from Sydney?

    At the present moment the cheapest month to fly from Sydney is currently May; with December being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from Sydney?

    Here are some of the cheapest flight destinations from Sydney:
    Fly from Sydney to Phuket City from ฿10,414
    Fly from Sydney to Bangkok from ฿10,445

  • How does Cheapflights help users find flights from Sydney?

    Cheapflights helps you search for flights from Sydney via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

  • Why should you use Cheapflights to find cheap flight tickets from Sydney?

    It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Sydney.

  • Can Cheapflights find flights from Sydney with no change fees?

    Users can book flights with no change fees policies with our dedicated filters. Book flights from Sydney flexibly with Cheapflights today.

  • Can Cheapflights notify me if prices for flights from Sydney become cheaper?

    Yes, Cheapflights has a feature called Price Alerts, which offers users the ability to be notified when flight prices change. Track prices for your flight from Sydney today and book when you’re ready!

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How does Cheapflights help users find flights from Sydney?

Cheapflights helps you search for flights from Sydney via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Sydney?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Sydney.

Can Cheapflights find flights from Sydney with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Sydney flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Sydney become cheaper?

Yes, Cheapflights has a feature called Price Alerts, which offers users the ability to be notified when flight prices change. Track prices for your flight from Sydney today and book when you’re ready!

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