Cheap flights from Colombo Bandaranaike Intl Airport to Sydney from $504

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/10. Fares are subject to change and may not be available on all flights or dates of travel.
CMB — SYD
2 Sep — 9 Sep1
1 adult

Cheapflights Tip: The best prices from Colombo Bandaranaike Intl to Sydney Kingsford Smith are usually found in May or October, booked 51 days in advance, depart on a Tuesday or Thursday and return on a Monday

Cheap flight deals from Colombo to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Colombo (CMB) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 28 August 2025.

Round-trip from

$917

One-way from

$504

Popular in

January

Cheapest in

May

Average price

$1,485

Good round-trip deal

$1,668 or less

Good one-way deal

$1,018 or less
19/9-5/10
  • 19/9-5/10
  • 3 total stops
  • 33h 15m total
  • Colombo to Sydney
16/10
  • 16/10
  • 2 total stops
  • 36h 00m total
  • Colombo to Sydney
Highest demand for flights based on searches. 14% potential increase in price ($421 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($84 potential savings vs. average return price).
Average for round-trip flights in August 2025
Price to beat on a round-trip flight from Colombo Bandaranaike Intl to Sydney Kingsford Smith.
Price to beat on a one-way flight from Colombo Bandaranaike Intl to Sydney Kingsford Smith.

Find flight deals from Colombo to Sydney

Cheapest flights from Colombo to Sydney
Explore the most affordable flight options available from Colombo to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 August 2025.

Fri 19/922:55CMB - SYD
2 stops16h 05mMultiple Airlines
Sun 5/1010:15SYD - CMB
1 stop17h 10mMultiple Airlines
Deal found 25/8$917
Sat 27/910:40CMB - SYD
1 stop16h 40mMultiple Airlines
Wed 5/1121:50SYD - CMB
1 stop17h 05mMultiple Airlines
Deal found 27/8$923
Mon 8/922:55CMB - SYD
3 stops32h 10mMultiple Airlines
Thu 11/912:50SYD - CMB
2 stops25h 20mMultiple Airlines
Deal found 24/8$931
Fri 17/1019:30CMB - SYD
2 stops20h 00mMultiple Airlines
Fri 31/1014:20SYD - CMB
3 stops37h 10mMultiple Airlines
Deal found 27/8$932
Sat 27/910:40CMB - SYD
1 stop16h 40mMultiple Airlines
Sat 8/1110:45SYD - CMB
1 stop16h 45mMultiple Airlines
Deal found 27/8$934
Sat 18/1003:30CMB - SYD
3 stops35h 10mMultiple Airlines
Sun 26/1010:15SYD - CMB
1 stop17h 15mMultiple Airlines
Deal found 25/8$948

Cheapflights Fare Finder

 
Customise your flight search to find flights from Colombo to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 28 August 2025.
Use the filters below to find and compare flights from Colombo Bandaranaike Intl Airport to Sydney that are best for you.

Fly from

Colombo

Fly to

Sydney

Route

Depart

Return

Price

ColomboSydney

CMB - SYD

CMBSYD

Colombo Bandaranaike Intl

Fri 19/9

22:55-19:30

2 stops16h 05m

Sydney Kingsford Smith

Sun 5/10

10:15-21:55

1 stop17h 10m

$917

ColomboSydney

CMB - SYD

CMBSYD

Colombo Bandaranaike Intl

Sat 27/9

10:40-07:50

1 stop16h 40m

Sydney Kingsford Smith

Wed 5/11

21:50-09:25

1 stop17h 05m

$923

ColomboSydney

CMB - SYD

CMBSYD

Colombo Bandaranaike Intl

Mon 8/9

22:55-11:35

3 stops32h 10m

Sydney Kingsford Smith

Thu 11/9

12:50-09:40

2 stops25h 20m

$931

ColomboSydney

CMB - SYD

CMBSYD

Colombo Bandaranaike Intl

Fri 17/10

19:30-21:00

2 stops20h 00m

Sydney Kingsford Smith

Fri 31/10

14:20-22:00

3 stops37h 10m

$932

ColomboSydney

CMB - SYD

CMBSYD

Colombo Bandaranaike Intl

Sat 27/9

10:40-07:50

1 stop16h 40m

Sydney Kingsford Smith

Sat 8/11

10:45-22:00

1 stop16h 45m

$934

ColomboSydney

CMB - SYD

CMBSYD

Colombo Bandaranaike Intl

Sat 18/10

03:30-20:10

3 stops35h 10m

Sydney Kingsford Smith

Sun 26/10

10:15-22:00

1 stop17h 15m

$948

ColomboSydney

CMB - SYD

CMBSYD

Colombo Bandaranaike Intl

Thu 16/10

03:30-21:00

2 stops36h 00m

$504

ColomboSydney

CMB - SYD

CMBSYD

Colombo Bandaranaike Intl

Tue 16/12

03:20-09:15

2 stops24h 25m

$505

ColomboSydney

CMB - SYD

CMBSYD

Colombo Bandaranaike Intl

Sun 14/12

03:20-09:15

2 stops24h 25m

$505

ColomboSydney

CMB - SYD

CMBSYD

Colombo Bandaranaike Intl

Mon 17/11

03:20-20:35

2 stops35h 45m

$508

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Showing 1-10 of 13 results
1
2

Best time to book a flight from Colombo to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Colombo 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.

Cheapflights Insights

Everything you need to know about your flight from Colombo Bandaranaike Intl Airport to Sydney

How far ahead should I book a flight from Colombo Bandaranaike Intl Airport to Sydney?

Use this chart to determine the optimal time to book a return flight from Colombo to Sydney. Price data was last updated on 22 August 2025.

To ensure you get the cheapest price possible for a flight from Colombo Bandaranaike Intl Airport to Sydney, you should look to book at least 51 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Colombo Bandaranaike Intl Airport to Sydney?

Currently, May is the cheapest month in which you can book a flight from Colombo Bandaranaike Intl Airport to Sydney (average of $129). Flying from Colombo Bandaranaike Intl Airport to Sydney in October is currently the most expensive (average of $171). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CMB to SYD?

Find hourly flight availability from Colombo to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 August 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 15% on flights from Colombo Bandaranaike Intl Airport to Sydney by exploring options for tickets in the morning.

How much does it cost for a return flight from Colombo Bandaranaike Intl Airport to Sydney?

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 28 August 2025.
Read reviews from past customers who have flown with Singapore Airlines, Thai Airways, andQantas Airways from Colombo Bandaranaike Intl Airport to Sydney. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Overall

8.1

Comfort

7.9

Crew

8.6

Food

7.7

Entertainment

8.0

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.

Boarding

8.2

Overall

8.1

Comfort

7.9

Crew

8.6

Food

7.7

Entertainment

8.0

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.

Boarding

8.2

Overall

8.1

Comfort

7.9

Crew

8.6

Food

7.7

Entertainment

8.0

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.

Boarding

8.2

Overall

8.1

Comfort

7.9

Crew

8.6

Food

7.7

Entertainment

8.0

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.

Boarding

8.2

Overall

8.1

Comfort

7.9

Crew

8.6

Food

7.7

Entertainment

8.0

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.

Boarding

8.2

Overall

8.1

Comfort

7.9

Crew

8.6

Food

7.7

Entertainment

8.0

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.

Related info for your journey

Find useful and relevant information for your journey from Colombo to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Sydney from Colombo Bandaranaike Intl?

    Most people fly into Sydney Kingsford Smith (SYD) if they book a flight to Sydney from Colombo Bandaranaike Intl. On average, Kingsford Smith has 1 inbound flight from Colombo Bandaranaike Intl per day from 5 airlines. Sydney Kingsford Smith is conveniently located just 7.5 km from Sydney’s city centre.

  • What are the cheapest airlines flying from Colombo Bandaranaike Intl Airport to Sydney round-trip?

    Flying on Qantas Airways is currently your cheapest option to Sydney, with prices starting at $1,155. Additional round-trip tickets that might be worth considering are offered by Singapore Airlines and Malaysia Airlines, with the lowest prices starting at $1,158 and $1,264, respectively. Users have found that Qantas Airways is 29% cheaper than the other options available to this destination.

  • What are the cheapest flights from Colombo Bandaranaike Intl Airport to Sydney?

    Looking for the cheapest flight from Colombo Bandaranaike Intl Airport to Sydney? While on average our users pay $1,373, our data indicates the cheapest price to be $979. The most popular route (Colombo Bandaranaike Intl - Sydney Kingsford Smith), is priced around $744.

  • Where are the most common stopover locations when flying from Colombo Bandaranaike Intl Airport to Sydney?

  • What are some popular things to do or see while on a stopover in Singapore?

    The majority of Singapore visitors spend their time at Sentosa, Merlion, and Sim Lim Square. Those on a stopover in Singapore interested in visiting Sentosa, Merlion, or Sim Lim Square can do so by traveling 21.6 km, 16.9 km, and 16.3 km, respectively from Singapore Changi. Travellers can rent a car at Singapore Changi for an average daily rate of $140 to make sightseeing during their stopover a little easier.

  • Where are the least popular stopover locations for Colombo Bandaranaike Intl Airport to Sydney flights?

  • Can I find deals for flights from Colombo to Sydney that include hotel bookings?

    Yes. In addition to deals on Colombo to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Colombo to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colombo to Sydney.

  • Can I find deals for business class flights from Colombo to Sydney?

    Yes. Cheapflights offers flight deals from Colombo to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Colombo Bandaranaike Intl Airport to Sydney?

    Currently, May is the cheapest month in which you can book a flight from Colombo Bandaranaike Intl Airport to Sydney (average of $129). Flying from Colombo Bandaranaike Intl Airport to Sydney in October is currently the most expensive (average of $171). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Katoomba
Penrith
Coogee
Terrigal
Cronulla
Manly
Lithgow
Randwick
Bondi Beach
Leura

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Fly from Colombo to Sydney on these airlines

Choose from the following airlines for your flight from Colombo to Sydney. Flights are based on user searches made on Cheapflights and were last updated on 28 August 2025.

Top 5 airlines flying from Colombo to Sydney

Discover the top 5 airlines that operate flights from Colombo to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 28 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,155Average$1,500FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Singapore AirlinesCheapest$1,158Average$1,423FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Malaysia AirlinesCheapest$1,264Average$1,442FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Thai AirwaysCheapest$1,274Average$1,447FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
SriLankan AirlinesCheapest$1,546Average$1,870FlexibilityNo cancel feeOn-time68%
Search SriLankan Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Colombo to Sydney?

When you search for this flight from Colombo to Sydney, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Colombo to Sydney for you. Better yet — we are completely free to use.

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Certainly. Search results for flights to Sydney from Colombo shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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