CMB - SYD

$319 Find Cheap Flights from Colombo to Sydney - Compare and Save

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Everything you should know

Cheapest round-trip
$776
Typical prices: $816-$1,154
Multiple Airlines
Sun 11/11Tue 11/20
CMB - SYD • 2 stops
Cheapest non-stop
$1,154
Typical prices: $1,114-$1,357
SriLankan Airlines
Fri 11/23Sat 12/1
CMB - SYD • Non-stop
Nonstop flights
You can fly direct with SriLankan Airlines. Average duration is 10h 20m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 68% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 20 weeks in advance save around 34% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 17% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $894 (round-trip)
Shortest trip • 14h 29m (one-way)
Insights
Insights
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Booking Insights
Flight Deals

Cheap Flights from Colombo to Sydney (CMB-SYD)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Colombo to Sydney

Wed, Nov 11 - Fri, Nov 20
Multiple Airlines Logo
10:50 pm - 10:00 amCMB  Colombo Bandaranaike Intl-SYD Sydney Kingsford Smith
29h 40m2 stops Kuala Lumpur Intl Ho Chi Minh City
Multiple Airlines Logo
9:50 am - 9:50 pmSYD  Sydney Kingsford Smith-CMB Colombo Bandaranaike Intl
17h 30m1 stop Kuala Lumpur Intl
$776Multiple Airlines
Mon, Nov 30 - Sun, Feb 28
Singapore Airlines Logo
12:45 am - 5:55 pmCMB  Colombo Bandaranaike Intl-SYD Sydney Kingsford Smith
35h 40m1 stop Singapore Changi
Singapore Airlines Logo
7:10 pm - 11:30 pmSYD  Sydney Kingsford Smith-CMB Colombo Bandaranaike Intl
33h 50m1 stop Singapore Changi
$783Singapore Airlines
Wed, Nov 11 - Fri, Nov 20
Multiple Airlines Logo
10:25 am - 7:10 amCMB  Colombo Bandaranaike Intl-SYD Sydney Kingsford Smith
15h 15m1 stop Kuala Lumpur Intl
Multiple Airlines Logo
9:50 am - 9:50 pmSYD  Sydney Kingsford Smith-CMB Colombo Bandaranaike Intl
17h 30m1 stop Kuala Lumpur Intl
$817Multiple Airlines
Thu, Jan 21 - Wed, Jan 27
Malaysia Airlines Logo
12:40 am - 8:35 pmCMB  Colombo Bandaranaike Intl-SYD Sydney Kingsford Smith
14h 25m1 stop Kuala Lumpur Intl
Malaysia Airlines Logo
9:55 am - 11:35 pmSYD  Sydney Kingsford Smith-CMB Colombo Bandaranaike Intl
19h 10m1 stop Kuala Lumpur Intl
$1,150Malaysia Airlines
Mon, Nov 23 - Tue, Dec 1
SriLankan Airlines Logo
12:05 am - 3:55 pmCMB  Colombo Bandaranaike Intl-SYD Sydney Kingsford Smith
10h 20mnonstop
SriLankan Airlines Logo
5:25 pm - 10:50 pmSYD  Sydney Kingsford Smith-CMB Colombo Bandaranaike Intl
10h 55mnonstop
$1,154SriLankan Airlines
Sun, Jan 31 - Wed, Jun 30
Malaysia Airlines Logo
11:20 am - 7:55 amCMB  Colombo Bandaranaike Intl-SYD Sydney Kingsford Smith
15h 05m1 stop Kuala Lumpur Intl
Malaysia Airlines Logo
9:15 am - 10:55 pmSYD  Sydney Kingsford Smith-CMB Colombo Bandaranaike Intl
18h 10m1 stop Kuala Lumpur Intl
$1,165Malaysia Airlines
Mon, Nov 16 - Tue, Dec 8
SriLankan Airlines Logo
12:05 am - 3:55 pmCMB  Colombo Bandaranaike Intl-SYD Sydney Kingsford Smith
10h 20mnonstop
SriLankan Airlines Logo
5:25 pm - 10:50 pmSYD  Sydney Kingsford Smith-CMB Colombo Bandaranaike Intl
10h 55mnonstop
$1,206SriLankan Airlines
Tue, Nov 17 - Fri, Dec 18
Qantas Airways Logo
12:10 pm - 7:35 amCMB  Colombo Bandaranaike Intl-SYD Sydney Kingsford Smith
13h 55m1 stop Singapore Changi
Qantas Airways Logo
12:10 pm - 10:10 amSYD  Sydney Kingsford Smith-CMB Colombo Bandaranaike Intl
27h 30m2 stops Melbourne Bangkok Suvarnabhumi
$1,259Qantas Airways
Tue, Nov 17 - Fri, Dec 18
Qantas Airways Logo
12:10 pm - 1:25 pmCMB  Colombo Bandaranaike Intl-SYD Sydney Kingsford Smith
19h 45m2 stops Singapore Changi Melbourne
Qantas Airways Logo
12:10 pm - 10:10 amSYD  Sydney Kingsford Smith-CMB Colombo Bandaranaike Intl
27h 30m2 stops Melbourne Bangkok Suvarnabhumi
$1,278Qantas Airways
Sun, Dec 20 - Thu, Dec 31
Singapore Airlines Logo
12:45 am - 11:25 amCMB  Colombo Bandaranaike Intl-SYD Sydney Kingsford Smith
29h 10m2 stops Singapore Changi Melbourne
Singapore Airlines Logo
10:30 am - 11:30 pmSYD  Sydney Kingsford Smith-CMB Colombo Bandaranaike Intl
18h 30m2 stops Melbourne Singapore Changi
$4,148Singapore Airlines
Booking Insights

Price, demand and travel trends for Colombo Bandaranaike Intl Airport to Sydney flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What's the cheapest day of the week to fly from Colombo Bandaranaike Intl Airport to Sydney?

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Colombo Bandaranaike Intl Airport to Sydney. It’s 12% cheaper than the average day, while Friday is the most expensive, with prices 8% higher.

What’s the cheapest month to fly from Colombo Bandaranaike Intl Airport to Sydney?

•April is the cheapest month to fly from Colombo Bandaranaike Intl Airport to Sydney at $812 round-trip.
•January ($1,223) and June ($1,056) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 50% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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

Flights from Colombo Bandaranaike Intl Airport to Sydney are cheapest 20 weeks before departure. Booking in this window typically costs about 34% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Colombo Bandaranaike Intl Airport to Sydney flights

Low season

July

Cheapest flight

$319
Beat the crowds with an average 38% drop in travelers.
The most popular month to fly with an average 41% increase in travelers.
One-way flight from Colombo Bandaranaike Intl Airport to Sydney

When to book flights from Colombo to Sydney

Are your dates flexible? Find out the best times to travel from Colombo to Sydney based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Colombo Bandaranaike Intl Airport to Sydney flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Colombo Bandaranaike Intl Airport to Sydney?

    These are the earliest and latest flight times available from Colombo Bandaranaike Intl Airport to Sydney:

    • Earliest: departs at 12:05 am and lands at 10:25 am
    • Latest: departs at 12:05 am and lands at 10:25 am.

    The flight takes about 10h 20m.

  • What cabin classes can I book on flights from Colombo Bandaranaike Intl Airport to Sydney?

    Three cabin classes are available on flights from Colombo Bandaranaike Intl Airport to Sydney:

    • Economy Class
    • Premium Economy Class
    • Business Class

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

    A nonstop flight from Colombo Bandaranaike Intl Airport to Sydney takes 10h 20m, covering 5,441 miles.

  • Do I need a passport to fly from Colombo Bandaranaike Intl Airport to Sydney?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Colombo Bandaranaike Intl Airport to Sydney flight?

    Round-trip flights from Colombo Bandaranaike Intl Airport to Sydney range from $816 to $1,154, with an average of $976 over the past 12 months. Anything below $816 counts as a good deal.

  • How expensive are last-minute Colombo Bandaranaike Intl Airport to Sydney flights?

    Last-minute fares on this route (booked within two weeks of departure) run 9% above the $976 route average. Book 20 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Colombo Bandaranaike Intl Airport to Sydney?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $894 round-trip via Kuala Lumpur Intl (KUL), compared to $1,220 for nonstop.

  • How does on-time performance compare across airlines flying from Colombo Bandaranaike Intl Airport to Sydney?

    SriLankan Airlines is the only airline operating Colombo Bandaranaike Intl Airport to Sydney flights. 68% of its flights are on time.

  • Which aircraft model is used most often on flights from Colombo Bandaranaike Intl Airport to Sydney?

    The Airbus A330-300 family is used most often on this route, operated mainly by SriLankan Airlines. Other aircraft seen on the route include Airbus A330 variants.

  • How are flight departures from Colombo Bandaranaike Intl Airport to Sydney spread across the day?

    Night is the busiest departure period on Colombo Bandaranaike Intl Airport to Sydney flights, with 100% of flights leaving in that window. Morning departures account for 0%, afternoon flights for 0%, and evening flights for 0%.

  • Which airlines offer Wi-Fi on Colombo Bandaranaike Intl Airport to Sydney flights?

    SriLankan Airlines is the only airline on the Colombo Bandaranaike Intl Airport to Sydney route offering in-flight Wi-Fi. Pricing depends on fare class.

  • How are flight prices from Colombo Bandaranaike Intl Airport to Sydney looking right now?

    One-way fares from Colombo Bandaranaike Intl Airport to Sydney are currently lower than usual. Average one-way flight prices are about $555, which is 11% below the typical average for this route.

  • What car rental options are available at Sydney Kingsford Smith Airport (SYD)?

    Sydney Kingsford Smith Airport (SYD) hosts 5 major car rental companies, with daily rates averaging $41 for economy cars. Top options include:

    • East Coast Car Rentals
    • Bargain Car Rentals
    • YESDRIVE CAR RENTAL
    • No Birds
    • EverythingFleet

  • Which airports can I use when flying from Colombo Bandaranaike Intl Airport to Sydney?

    Flights from Colombo Bandaranaike Intl Airport to Sydney usually depart from Colombo Bandaranaike Intl (CMB) and arrive at Sydney Kingsford Smith (SYD).

  • What time of day has the fewest delays on flights from Colombo Bandaranaike Intl Airport to Sydney?

    Night flights have the fewest delays on this route.

  • At what point is a flight considered delayed from Colombo Bandaranaike Intl Airport to Sydney?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Colombo Bandaranaike Intl Airport to Sydney route, 32% of flights were delayed in the past 3 months, with delays averaging 2h 07m.

  • Which airports do connecting flights from Colombo Bandaranaike Intl Airport to Sydney pass through?

    One-stop flights from Colombo Bandaranaike Intl Airport to Sydney most commonly connect through:

    • Kuala Lumpur Intl (KUL) - 49% of one-stop connections
    • Singapore Changi (SIN) - 45% of one-stop connections
    • Melbourne (MEL) - 2% of one-stop connections
    • Bangkok Suvarnabhumi (BKK) - 2% of one-stop connections

  • Can I save money by using flexible dates for flights from Colombo Bandaranaike Intl Airport to Sydney?

    Yes. Flexible dates can save you up to 19% on flights from Colombo Bandaranaike Intl Airport to Sydney. Monday is the cheapest departure day at $868 round-trip on average, while Friday is the most expensive at $1,061, a difference of $193.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from Colombo Bandaranaike Intl Airport to Sydney?

    Only SriLankan Airlines operates flights between Colombo Bandaranaike Intl Airport and Sydney.

  • How much time can I save by choosing a different layover airport from Colombo Bandaranaike Intl Airport to Sydney?

    Flying via Melbourne (MEL) gives the shortest average 1-stop total travel time at 14h 29m, compared with 14h 51m via Singapore Changi (SIN) and 17h 09m via Kuala Lumpur Intl (KUL).

  • What is the time difference between Colombo Bandaranaike Intl Airport and Sydney?

    Sydney is 5 hours ahead of Colombo Bandaranaike Intl Airport (Eastern Australia Time vs India Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Sydney?

    Some of the most popular sights in Sydney are Sydney Opera House, Museum of Contemporary Art and Chinatown Night Market. These are among the most viewed places in Sydney on KAYAK.

  • Which airlines include bags at no extra cost on Colombo Bandaranaike Intl Airport to Sydney flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • SriLankan Airlines: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Your guide to booking Colombo Bandaranaike Intl Airport to Sydney flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure and avoid flying on Friday. On this route, Monday flights average $868, about $193 less than Friday fares (18% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 20 weeks before you fly. On this route, that window historically saves about 34% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Colombo Bandaranaike Intl Airport to Sydney trip for April. Fares historically average $812 round-trip in that month - typically $411 less than the most expensive month, which is January (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Kuala Lumpur Intl Airport (KUL) can be cheaper than flying direct. The cheapest layover option averages $894 round-trip on this route - about $326 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Sydney Kingsford Smith Airport.

    • ibis budget Sydney Airport
    • Travelodge Hotel Sydney Airport
    • Rydges Sydney Airport Hotel

Prefer to fly direct from Colombo to Sydney?

 
Find which airlines fly direct from Colombo Bandaranaike Intl Airport to Sydney Kingsford Smith Airport, which days they fly and book direct flights.

Direct departures

Colombo Bandaranaike Intl to Sydney Kingsford Smith

Tuesday

SriLankan Airlines

SriLankan Airlines

Friday

SriLankan Airlines

SriLankan Airlines

Saturday

SriLankan Airlines

SriLankan Airlines

Sunday

SriLankan Airlines

SriLankan Airlines

See more direct flights

Direct returns

Sydney Kingsford Smith to Colombo Bandaranaike Intl

Tuesday

SriLankan Airlines

SriLankan Airlines

Friday

SriLankan Airlines

SriLankan Airlines

Saturday

SriLankan Airlines

SriLankan Airlines

Sunday

SriLankan Airlines

SriLankan Airlines

See more direct flights

More options for your flight from Colombo to Sydney

Complete your trip to Sydney with a hotel stay or car rental