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Cheap flights from Bandaranaike Intl (CMB) to Sydney (SYD) - Compare and Save

CMB — SYD
May 30 — Jun 61
Sat 5/30
Sat 6/6
1 adult, Economy
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Cheapflights Tip: The best prices from Colombo Bandaranaike Intl to Sydney Kingsford Smith are usually found in March or May, booked 51 days in advance, depart on a Wednesday or Monday and return on a Thursday

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 April 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$710
(Kiwi.com)

One-way from

$386
(Mytrip)

Popular in

January

Cheapest in

March

Average price

$954

Good one-way deal

$730 or less
Provider with most accurate pricing for Colombo Bandaranaike Intl-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Colombo Bandaranaike Intl-Sydney Kingsford Smith flights.
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From Colombo Bandaranaike Intl to Sydney Kingsford Smith
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One-way flight from Colombo Bandaranaike Intl to Sydney Kingsford Smith
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Highest demand for flights based on searches. 11% potential increase in price ($130 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in April 2026
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Price to beat on a one-way flight from Colombo Bandaranaike Intl to Sydney Kingsford Smith.
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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 April 30, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1710:55 pm
CMB
-
SYD
1 stop16h 10m
Multiple Airlines
Thu 8/208:35 pm
SYD
-
CMB
2 stops17h 35m
Multiple Airlines
Deal found 4/30$710
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1710:55 pm
CMB
-
SYD
1 stop16h 10m
Multiple Airlines
Thu 8/208:35 pm
SYD
-
CMB
1 stop19h 00m
Multiple Airlines
Deal found 4/30$718
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/310:40 am
CMB
-
SYD
1 stop16h 05m
Multiple Airlines
Thu 9/108:35 pm
SYD
-
CMB
2 stops17h 35m
Multiple Airlines
Deal found 4/28$744
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/77:35 am
CMB
-
SYD
1 stop18h 20m
Qantas Airways
Fri 5/229:50 am
SYD
-
CMB
1 stop28h 15m
Qantas Airways
Deal found 4/26$753
This Priceline deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:35 am
CMB
-
SYD
1 stop18h 20m
Qantas Airways
Tue 6/99:50 am
SYD
-
CMB
1 stop28h 15m
Qantas Airways
Deal found 4/26$758
This Trip.com deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/910:55 pm
CMB
-
SYD
1 stop16h 10m
Multiple Airlines
Tue 6/168:50 pm
SYD
-
CMB
1 stop29h 35m
Multiple Airlines
Deal found 4/25$759
This Priceline deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/21:05 am
CMB
-
SYD
1 stop24h 50m
Qantas Airways
Thu 9/109:50 am
SYD
-
CMB
1 stop28h 15m
Qantas Airways
Deal found 4/28$770
This Mytrip deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/910:55 pm
CMB
-
SYD
2 stops32h 20m
Multiple Airlines
Tue 6/161:00 pm
SYD
-
CMB
2 stops29h 40m
Multiple Airlines
Deal found 4/25$771
This Mytrip deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/110:55 pm
CMB
-
SYD
2 stops32h 20m
Multiple Airlines
Tue 6/91:00 pm
SYD
-
CMB
2 stops29h 40m
Multiple Airlines
Deal found 4/26$781
This Mytrip deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1210:55 pm
CMB
-
SYD
2 stops32h 20m
Multiple Airlines
Fri 6/198:35 pm
SYD
-
CMB
2 stops35h 55m
Multiple Airlines
Deal found 4/28$786
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/61:05 am
CMB
-
SYD
1 stop24h 50m
Qantas Airways
Mon 5/182:45 pm
SYD
-
CMB
1 stop24h 50m
Qantas Airways
Deal found 4/26$789
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/62:05 am
CMB
-
SYD
2 stops36h 45m
Multiple Airlines
Fri 5/229:45 am
SYD
-
CMB
1 stop16h 40m
Multiple Airlines
Deal found 4/26$791

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated April 30, 2026.
Use the filters below to find and compare flights from Colombo Bandaranaike Intl Airport to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ColomboSydney

CMB - SYD

CMBSYD

Colombo Bandaranaike Intl

Tue 6/9

10:55 pm-11:45 am

2 stops32h 20m

Sydney Kingsford Smith

Tue 6/16

1:00 pm-2:10 pm

2 stops29h 40m

$771

ColomboSydney

CMB - SYD

CMBSYD

Colombo Bandaranaike Intl

Tue 6/9

10:55 pm-7:35 pm

1 stop16h 10m

Sydney Kingsford Smith

Tue 6/16

8:35 pm-2:10 pm

2 stops22h 05m

$815

ColomboSydney

CMB - SYD

CMBSYD

Colombo Bandaranaike Intl

Thu 5/7

8:30 pm-8:00 am

2 stops31h 00m

Sydney Kingsford Smith

Fri 5/22

10:05 am-6:20 pm

2 stops36h 45m

$934

ColomboSydney

CMB - SYD

CMBSYD

Colombo Bandaranaike Intl

Sat 6/13

10:10 pm-12:35 pm

2 stops33h 55m

Sydney Kingsford Smith

Sat 6/20

10:00 am-7:00 pm

2 stops37h 30m

$934

ColomboSydney

CMB - SYD

CMBSYD

Colombo Bandaranaike Intl

Sat 6/13

10:10 pm-12:35 pm

3 stops33h 55m

Sydney Kingsford Smith

Sat 6/20

10:00 am-7:00 pm

2 stops37h 30m

$934

ColomboSydney

CMB - SYD

CMBSYD

Colombo Bandaranaike Intl

Thu 5/21

12:05 am-7:00 am

1 stop26h 25m

Sydney Kingsford Smith

Sat 5/30

1:05 pm-10:55 pm

1 stop14h 20m

$975
Quickest round-trip

ColomboSydney

CMB - SYD

CMBSYD

Colombo Bandaranaike Intl

Mon 5/11

7:35 am-6:25 am

1 stop18h 20m

Sydney Kingsford Smith

Mon 5/18

7:00 am-9:30 pm

2 stops19h 00m

$998

ColomboSydney

CMB - SYD

CMBSYD

Colombo Bandaranaike Intl

Mon 5/18

12:05 am-7:35 pm

1 stop15h 00m

Sydney Kingsford Smith

Tue 5/19

10:10 pm-10:55 pm

1 stop29h 15m

$1,000

ColomboSydney

CMB - SYD

CMBSYD

Colombo Bandaranaike Intl

Mon 5/4

10:10 pm-9:00 am

3 stops30h 20m

Sydney Kingsford Smith

Mon 5/18

8:30 pm-9:10 pm

3 stops29h 10m

$1,009

ColomboSydney

CMB - SYD

CMBSYD

Colombo Bandaranaike Intl

Tue 6/9

10:10 pm-9:00 am

2 stops30h 20m

Sydney Kingsford Smith

Tue 6/16

11:00 am-9:10 pm

3 stops62h 40m

$1,011

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Colombo to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Colombo to Sydney in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Colombo Bandaranaike Intl Airport-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Colombo Bandaranaike Intl Airport-Sydney flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Colombo Bandaranaike Intl Airport-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Colombo Bandaranaike Intl Airport-Sydney flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Colombo Bandaranaike Intl Airport-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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?

The price you pay for your flight from Colombo Bandaranaike Intl Airport to Sydney may vary depending on when you book. For the best chance of a lower fare, look to book 50 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, March is the cheapest month in which you can book a flight from Colombo Bandaranaike Intl Airport to Sydney (average of $830). Flying from Colombo Bandaranaike Intl Airport to Sydney in January is currently the most expensive (average of $1,457). 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 April 30, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colombo Bandaranaike Intl Airport to Sydney as you normally would.

How much does it cost to fly round-trip 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 April 30, 2026.
Peruse reviews from past customers who have flown with Singapore Airlines,Qantas Airways, andMalaysia Airlines from Colombo Bandaranaike Intl Airport to Sydney to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.2
Very good
1,505 reviews

Entertainment

8.0

Comfort

8.0

Crew

8.6

Food

7.8

Overall

8.2

Boarding

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.
Singapore Airlines
8.2
Very good
1,505 reviews
Singapore Airlines
8.2
Very good
1,505 reviews

Entertainment

8.0

Comfort

8.0

Crew

8.6

Food

7.8

Overall

8.2

Boarding

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.
Qantas Airways
7.5
Good
1,028 reviews
Singapore Airlines
8.2
Very good
1,505 reviews

Entertainment

8.0

Comfort

8.0

Crew

8.6

Food

7.8

Overall

8.2

Boarding

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.
Malaysia Airlines
7.4
Good
307 reviews
Singapore Airlines
8.2
Very good
1,505 reviews

Entertainment

8.0

Comfort

8.0

Crew

8.6

Food

7.8

Overall

8.2

Boarding

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.
SriLankan Airlines
6.8
Okay
82 reviews
Singapore Airlines
8.2
Very good
1,505 reviews

Entertainment

8.0

Comfort

8.0

Crew

8.6

Food

7.8

Overall

8.2

Boarding

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

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 0 inbound flights from Colombo Bandaranaike Intl per day from 4 airlines. Sydney Kingsford Smith is conveniently located just 4.6 mi from Sydney’s city center.

  • How long is the flight from Colombo Bandaranaike Intl Airport to Sydney?

    Airlines like China Eastern fly from Colombo Bandaranaike Intl Airport to Sydney in about 33h 55m. The time it takes to get you to your destination can typically vary by up to . The distance from Colombo Bandaranaike Intl Airport to Sydney is about 5441 mi.

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

    Currently priced at $726, Qantas Airways will fly you from Colombo Bandaranaike Intl Airport to Sydney and back. In addition to Qantas Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Singapore Airlines and Malaysia Airlines - these airlines can fly you to your destination from $742 and $877, respectively. Users have found that Qantas Airways is 30% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Colombo Bandaranaike Intl Airport to Sydney one-way?

    One-way options have recently been found by users for as low as $467 on Malaysia Airlines. Other airlines that offer cheap prices include Singapore Airlines from $536 and Thai Airways from $578 one-way.

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

    While on average a flight from Colombo Bandaranaike Intl Airport to Sydney is generally $773, our data shows the cheapest flight currently is $661. When looking at the most popular route, (Colombo Bandaranaike Intl - Sydney Kingsford Smith), you can expect to pay $3,940 for that flight.

  • 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 vacation 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, March is the cheapest month in which you can book a flight from Colombo Bandaranaike Intl Airport to Sydney (average of $830). Flying from Colombo Bandaranaike Intl Airport to Sydney in January is currently the most expensive (average of $1,457). 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

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Top 4 airlines flying from Colombo to Sydney

Discover the top 4 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 2,558,603 searches. Data last updated April 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$726Average$837FlexibilityNo cancel feeOn-time74%
Singapore AirlinesCheapest$742Average$960FlexibilityNo cancel feeOn-time81%
Malaysia AirlinesCheapest$877Average$982FlexibilityNo cancel feeOn-time67%
SriLankan AirlinesCheapest$1,027Average$1,156FlexibilityNo cancel feeOn-time68%

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