Cheap flights from Colombo Bandaranaike Intl Airport to Sydney from £317

CMB — SYD
22 Oct — 29 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Colombo to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Colombo to Sydney

Sat 17/1021:45 -
1 stop27h 40m
Tue 5/122:15 -
1 stop28h 00m
Deal found 17/9£718
Mon 14/1221:45 -
1 stop16h 45m
Mon 28/1209:50 -
1 stop16h 25m
Deal found 19/9£771
Mon 14/1221:45 -
1 stop16h 45m
Tue 29/1222:15 -
1 stop28h 00m
Deal found 19/9£774
Sat 19/1221:45 -
1 stop27h 55m
Mon 28/1209:50 -
1 stop16h 25m
Deal found 19/9£790
Sat 19/1221:45 -
1 stop27h 55m
Tue 29/1222:15 -
1 stop28h 00m
Deal found 19/9£794
Mon 14/1221:45 -
1 stop16h 45m
Fri 25/1209:50 -
1 stop16h 25m
Deal found 19/9£798
Mon 14/1221:45 -
1 stop16h 45m
Sun 27/1222:15 -
1 stop28h 00m
Deal found 19/9£802
Wed 16/1221:45 -
1 stop27h 55m
Mon 28/1209:50 -
1 stop16h 25m
Deal found 19/9£812
Wed 16/1221:45 -
1 stop27h 55m
Tue 29/1222:15 -
1 stop28h 00m
Deal found 19/9£816
Sat 19/1221:45 -
1 stop27h 55m
Fri 25/1209:50 -
1 stop16h 25m
Deal found 19/9£818

Find flight deals from Colombo to Sydney

Round-trip from

£718

One-way from

£317

Popular in

January

Cheapest in

March

Average price

£715
Batik Air
  • Batik Air
  • 17/10-5/1
  • 2 total stops
  • 55h 40m total
  • Colombo to Sydney
Batik Air
  • Batik Air
  • 28/9-31/12
  • 1 total stop
  • 16h 45m total
  • Colombo to Sydney
Highest demand for flights based on searches. 15% potential increase in price (£104 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£24 potential savings vs. average return price).
Average for round-trip flights in September 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Colombo Bandaranaike Intl Airport to Sydney that are best for you.

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Route

Depart

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Price

Cheapest return flight

ColomboSydney

CMB Colombo Bandaranaike Intl - SYD Sydney Kingsford Smith

CMBSYD

Colombo Bandaranaike Intl

Mon 28/9

21:45-19:00

1 stop16h 45m

Sydney Kingsford Smith

Wed 31/12

00:00-19:30

Nonstop0h 00m

£317
Fastest return journey

ColomboSydney

CMB Colombo Bandaranaike Intl - SYD Sydney Kingsford Smith

CMBSYD

Colombo Bandaranaike Intl

Sun 27/9

22:55-19:35

1 stop16h 10m

Sydney Kingsford Smith

Wed 31/12

00:00-19:30

Nonstop0h 00m

£339

ColomboSydney

CMB Colombo Bandaranaike Intl - SYD Sydney Kingsford Smith

CMBSYD

Colombo Bandaranaike Intl

Sat 31/10

21:45-07:10

1 stop27h 55m

Sydney Kingsford Smith

Wed 31/12

00:00-19:30

Nonstop0h 00m

£348

ColomboSydney

CMB Colombo Bandaranaike Intl - SYD Sydney Kingsford Smith

CMBSYD

Colombo Bandaranaike Intl

Thu 26/11

00:45-11:50

1 stop29h 35m

Sydney Kingsford Smith

Wed 31/12

00:00-19:30

Nonstop0h 00m

£362

ColomboSydney

CMB Colombo Bandaranaike Intl - SYD Sydney Kingsford Smith

CMBSYD

Colombo Bandaranaike Intl

Mon 9/11

21:45-20:00

1 stop16h 45m

Sydney Kingsford Smith

Wed 31/12

00:00-19:30

Nonstop0h 00m

£383

ColomboSydney

CMB Colombo Bandaranaike Intl - SYD Sydney Kingsford Smith

CMBSYD

Colombo Bandaranaike Intl

Thu 19/11

00:45-17:55

1 stop35h 40m

Sydney Kingsford Smith

Wed 31/12

00:00-19:30

Nonstop0h 00m

£386

ColomboSydney

CMB Colombo Bandaranaike Intl - SYD Sydney Kingsford Smith

CMBSYD

Colombo Bandaranaike Intl

Mon 22/2

21:45-20:00

1 stop16h 45m

Sydney Kingsford Smith

Wed 31/12

00:00-19:30

Nonstop0h 00m

£394

ColomboSydney

CMB Colombo Bandaranaike Intl - SYD Sydney Kingsford Smith

CMBSYD

Colombo Bandaranaike Intl

Fri 5/2

00:45-17:55

1 stop35h 40m

Sydney Kingsford Smith

Mon 3/5

18:00-23:35

1 stop34h 05m

£739

ColomboSydney

CMB Colombo Bandaranaike Intl - SYD Sydney Kingsford Smith

CMBSYD

Colombo Bandaranaike Intl

Wed 7/10

00:05-07:25

1 stop25h 50m

Sydney Kingsford Smith

Thu 7/1

22:15-10:10

1 stop17h 25m

£939

ColomboSydney

CMB Colombo Bandaranaike Intl - SYD Sydney Kingsford Smith

CMBSYD

Colombo Bandaranaike Intl

Fri 6/11

11:15-18:35

2 stops25h 50m

Sydney Kingsford Smith

Fri 13/11

18:45-21:55

2 stops32h 40m

£1,084

Flights are sorted by cheapest return flights first.

Deals found on 22/9

Showing 1-10 of 13 resultsSorted by cheapest first
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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

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?

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 77 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, March is the cheapest month in which you can book a flight from Colombo Bandaranaike Intl Airport to Sydney (average of £614). Flying from Colombo Bandaranaike Intl Airport to Sydney in January is currently the most expensive (average of £1,089). 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?

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 for a return flight from Colombo Bandaranaike Intl Airport to Sydney?

Airfare is typical for this route at the moment.

Colombo Bandaranaike Intl Airport to Sydney flights typically cost between £709 and £827 in October.
The cheapest return price found within the last 5 days was £718 on Batik Air (17 Oct–5 Jan).

Related info for your journey

  • What airport do you fly into for flights to Sydney from Colombo Bandaranaike Intl?

    For a flight from Colombo Bandaranaike Intl to Sydney, you will be flying into Kingsford Smith. Sydney Kingsford Smith (SYD) is just 4.6 mi from the center of the city. Kingsford Smith is the only Sydney airport and it handles 0 inbound flights from Colombo Bandaranaike Intl per day. 0 airlines have flights to Sydney Kingsford Smith from Colombo Bandaranaike Intl on a regular basis.

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

    Batik Air, Singapore Airlines, and Malaysia Airlines can get you from Colombo Bandaranaike Intl Airport to Sydney in just under 25h 50m. Your travel time can differ by up to 9h 50m. There are 5441 mi between Colombo Bandaranaike Intl Airport and Sydney. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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, March is the cheapest month in which you can book a flight from Colombo Bandaranaike Intl Airport to Sydney (average of £614). Flying from Colombo Bandaranaike Intl Airport to Sydney in January is currently the most expensive (average of £1,089). 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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