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$344+ Cheap flights from Bandaranaike Intl (CMB) to Sydney (SYD)

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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
CMB — SYD
May 18 — May 251
Mon 5/18
Mon 5/25
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 Monday

Cheap 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 18, 2026.

This Super.com deal was found by Cheapflights users on 4/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:05 am
CMB
-
SYD
1 stop24h 50m
Qantas Airways
Thu 5/219:50 am
SYD
-
CMB
1 stop28h 15m
Qantas Airways
Deal found 4/16$639
This Kiwi.com deal was found by Cheapflights users on 4/14. 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
Thu 5/219:50 am
SYD
-
CMB
1 stop28h 15m
Qantas Airways
Deal found 4/14$645
This FlightHub deal was found by Cheapflights users on 4/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/117:35 am
CMB
-
SYD
1 stop18h 20m
Qantas Airways
Mon 5/182:45 pm
SYD
-
CMB
1 stop24h 50m
Qantas Airways
Deal found 4/18$690
This Trip.com deal was found by Cheapflights users on 4/18. 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.
Sun 5/171:05 am
CMB
-
SYD
1 stop24h 50m
Qantas Airways
Mon 5/252:45 pm
SYD
-
CMB
1 stop35h 15m
Qantas Airways
Deal found 4/18$702
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 10/77:15 pm
CMB
-
SYD
1 stop18h 40m
Multiple Airlines
Wed 11/259:50 pm
SYD
-
CMB
1 stop17h 05m
Multiple Airlines
Deal found 4/14$734
This CheapOair deal was found by Cheapflights users on 4/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/210:55 pm
CMB
-
SYD
1 stop16h 10m
Multiple Airlines
Mon 6/88:50 pm
SYD
-
CMB
1 stop29h 35m
Multiple Airlines
Deal found 4/15$750
This Booking.com deal was found by Cheapflights users on 4/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/910:40 am
CMB
-
SYD
1 stop17h 10m
Multiple Airlines
Sat 10/2410:45 am
SYD
-
CMB
1 stop16h 40m
Multiple Airlines
Deal found 4/14$757
This Mytrip deal was found by Cheapflights users on 4/18. 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 5/1810:55 pm
CMB
-
SYD
2 stops32h 20m
Multiple Airlines
Mon 5/258:35 pm
SYD
-
CMB
2 stops29h 50m
Multiple Airlines
Deal found 4/18$763

Find 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 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$639
(Super.com)

One-way from

$344
(Trip.com)

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.
Search Deals
Provider most trusted by Cheapflights users for Colombo Bandaranaike Intl-Sydney Kingsford Smith flights.
Search Deals
From Colombo Bandaranaike Intl to Sydney Kingsford Smith
Search Deals
One-way flight from Colombo Bandaranaike Intl to Sydney Kingsford Smith
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($129 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a one-way flight from Colombo Bandaranaike Intl to Sydney Kingsford Smith.
Search Deals

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 18, 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

Wed 5/13

1:05 am-6:25 am

1 stop24h 50m

Sydney Kingsford Smith

Thu 5/21

9:50 pm-9:30 pm

2 stops28h 10m

$747

ColomboSydney

CMB - SYD

CMBSYD

Colombo Bandaranaike Intl

Tue 6/2

10:55 pm-7:35 pm

1 stop16h 10m

Sydney Kingsford Smith

Mon 6/8

8:50 pm-9:55 pm

1 stop29h 35m

$756

ColomboSydney

CMB - SYD

CMBSYD

Colombo Bandaranaike Intl

Thu 6/4

8:30 pm-8:00 am

2 stops31h 00m

Sydney Kingsford Smith

Thu 6/11

11:00 am-6:20 pm

3 stops59h 50m

$937

ColomboSydney

CMB - SYD

CMBSYD

Colombo Bandaranaike Intl

Thu 5/21

10:10 pm-8:00 am

2 stops29h 20m

Sydney Kingsford Smith

Sun 5/31

10:05 am-6:20 pm

3 stops36h 45m

$945

ColomboSydney

CMB - SYD

CMBSYD

Colombo Bandaranaike Intl

Fri 5/15

8:30 pm-8:00 am

3 stops31h 00m

Sydney Kingsford Smith

Fri 5/22

10:05 am-7:00 pm

3 stops61h 25m

$947

ColomboSydney

CMB - SYD

CMBSYD

Colombo Bandaranaike Intl

Tue 6/2

10:10 pm-9:00 am

3 stops54h 20m

Sydney Kingsford Smith

Mon 6/8

11:00 am-9:10 pm

3 stops38h 40m

$1,011

ColomboSydney

CMB - SYD

CMBSYD

Colombo Bandaranaike Intl

Sat 5/30

10:10 pm-9:00 am

3 stops54h 20m

Sydney Kingsford Smith

Sat 6/6

10:00 am-7:00 pm

3 stops37h 30m

$1,012

ColomboSydney

CMB - SYD

CMBSYD

Colombo Bandaranaike Intl

Mon 5/11

10:10 pm-12:35 pm

3 stops33h 55m

Sydney Kingsford Smith

Mon 5/18

11:00 am-9:10 pm

2 stops38h 40m

$1,073
Quickest round-trip

ColomboSydney

CMB - SYD

CMBSYD

Colombo Bandaranaike Intl

Thu 4/30

12:05 am-2:40 pm

Nonstop10h 05m

Sydney Kingsford Smith

Fri 5/8

9:45 am-9:55 pm

1 stop16h 40m

$1,152

ColomboSydney

CMB - SYD

CMBSYD

Colombo Bandaranaike Intl

Thu 5/14

8:30 pm-8:00 am

2 stops31h 00m

Sydney Kingsford Smith

Thu 5/21

11:00 am-6:20 pm

3 stops59h 50m

$1,180

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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 Accuracy3 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?

Use this chart to determine the optimal time to book a round-trip flight from Colombo to Sydney. Price data was last updated on April 10, 2026.

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 51 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 18, 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 18, 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
1,497 reviews

Overall

8.2

Food

7.8

Comfort

8.0

Boarding

8.3

Entertainment

8.0

Crew

8.6

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
1,497 reviews
Singapore Airlines
8.2
Very good
1,497 reviews

Overall

8.2

Food

7.8

Comfort

8.0

Boarding

8.3

Entertainment

8.0

Crew

8.6

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
1,019 reviews
Singapore Airlines
8.2
Very good
1,497 reviews

Overall

8.2

Food

7.8

Comfort

8.0

Boarding

8.3

Entertainment

8.0

Crew

8.6

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
305 reviews
Singapore Airlines
8.2
Very good
1,497 reviews

Overall

8.2

Food

7.8

Comfort

8.0

Boarding

8.3

Entertainment

8.0

Crew

8.6

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
1,497 reviews

Overall

8.2

Food

7.8

Comfort

8.0

Boarding

8.3

Entertainment

8.0

Crew

8.6

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 Qantas Airways and China Eastern fly from Colombo Bandaranaike Intl Airport to Sydney in about 24h 50m. The time it takes to get you to your destination can typically vary by up to 6h 10m. The distance from Colombo Bandaranaike Intl Airport to Sydney is about 5441 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $874, 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 $804, 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 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$726Average$837FlexibilityNo cancel feeOn-time74%
Singapore AirlinesCheapest$742Average$960FlexibilityNo cancel feeOn-time81%
Malaysia AirlinesCheapest$874Average$982FlexibilityNo cancel feeOn-time67%
SriLankan AirlinesCheapest$1,027Average$1,156FlexibilityNo cancel feeOn-time68%

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