CMB - SYD

$256 Find Cheap Flights from Colombo to Sydney - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$478
Typical prices: $816-$1,158
Multiple Airlines
Thu 10/18Tue 10/23
CMB - SYD • 1 stop
Cheapest non-stop
$1,032
Typical prices: $1,115-$1,350
SriLankan Airlines
Wed 10/17Tue 10/23
CMB - SYD • Non-stop
Nonstop flights
You can fly direct with SriLankan Airlines. Average duration is 10h 14m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 69% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 22 weeks in advance save around 32% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 18% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $881 (round-trip)
Shortest trip • 14h 21m (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

Sun, Oct 18 - Fri, Oct 23
Multiple Airlines Logo
10:55 pm - 8:35 pmCMB  Colombo Bandaranaike Intl-SYD Sydney Kingsford Smith
16h 10m1 stop Kuala Lumpur Intl
Multiple Airlines Logo
10:45 am - 9:55 pmSYD  Sydney Kingsford Smith-CMB Colombo Bandaranaike Intl
16h 40m1 stop Kuala Lumpur Intl
$478Multiple Airlines
Sun, Oct 18 - Fri, Oct 23
Multiple Airlines Logo
10:55 pm - 8:35 pmCMB  Colombo Bandaranaike Intl-SYD Sydney Kingsford Smith
16h 10m1 stop Kuala Lumpur Intl
Multiple Airlines Logo
10:45 am - 9:55 pmSYD  Sydney Kingsford Smith-CMB Colombo Bandaranaike Intl
16h 40m1 stop Kuala Lumpur Intl
$479Multiple Airlines
Sun, Oct 18 - Fri, Oct 23
Multiple Airlines Logo
10:55 pm - 8:35 pmCMB  Colombo Bandaranaike Intl-SYD Sydney Kingsford Smith
16h 10m1 stop Kuala Lumpur Intl
Multiple Airlines Logo
11:05 am - 9:10 pmSYD  Sydney Kingsford Smith-CMB Colombo Bandaranaike Intl
39h 35m2 stops Nanjing Lukou Intl Kunming Changshui
$620Multiple Airlines
Wed, Dec 2 - Sat, Jan 23
Singapore Airlines Logo
12:45 am - 7:40 amCMB  Colombo Bandaranaike Intl-SYD Sydney Kingsford Smith
25h 25m1 stop Singapore Changi
Singapore Airlines Logo
7:10 pm - 11:30 pmSYD  Sydney Kingsford Smith-CMB Colombo Bandaranaike Intl
33h 50m1 stop Singapore Changi
$741Singapore Airlines
Mon, Nov 30 - Sun, Feb 7
Singapore Airlines Logo
12:45 am - 11:50 amCMB  Colombo Bandaranaike Intl-SYD Sydney Kingsford Smith
29h 35m1 stop Singapore Changi
Singapore Airlines Logo
7:10 pm - 11:30 pmSYD  Sydney Kingsford Smith-CMB Colombo Bandaranaike Intl
33h 50m1 stop Singapore Changi
$742Singapore Airlines
Mon, Feb 15 - Fri, Apr 16
Singapore Airlines Logo
12:45 am - 5:55 pmCMB  Colombo Bandaranaike Intl-SYD Sydney Kingsford Smith
35h 40m1 stop Singapore Changi
Singapore Airlines Logo
7:25 am - 11:35 pmSYD  Sydney Kingsford Smith-CMB Colombo Bandaranaike Intl
20h 40m1 stop Singapore Changi
$899Singapore Airlines
Wed, Sep 30 - Sat, Oct 31
Malaysia Airlines Logo
12:05 am - 10:00 amCMB  Colombo Bandaranaike Intl-SYD Sydney Kingsford Smith
29h 25m1 stop Kuala Lumpur Intl
Malaysia Airlines Logo
10:15 pm - 10:10 amSYD  Sydney Kingsford Smith-CMB Colombo Bandaranaike Intl
17h 25m1 stop Kuala Lumpur Intl
$997Malaysia Airlines
Sat, Oct 17 - Fri, Oct 23
SriLankan Airlines Logo
12:05 am - 3:40 pmCMB  Colombo Bandaranaike Intl-SYD Sydney Kingsford Smith
10h 05mnonstop
SriLankan Airlines Logo
5:10 pm - 10:55 pmSYD  Sydney Kingsford Smith-CMB Colombo Bandaranaike Intl
11h 15mnonstop
$1,032SriLankan Airlines
Sat, Oct 17 - Fri, Oct 23
SriLankan Airlines Logo
12:05 am - 3:40 pmCMB  Colombo Bandaranaike Intl-SYD Sydney Kingsford Smith
10h 05mnonstop
SriLankan Airlines Logo
5:10 pm - 10:55 pmSYD  Sydney Kingsford Smith-CMB Colombo Bandaranaike Intl
11h 15mnonstop
$1,033SriLankan Airlines
Thu, Feb 4 - Mon, Apr 19
Malaysia Airlines Logo
12:40 am - 10:20 amCMB  Colombo Bandaranaike Intl-SYD Sydney Kingsford Smith
28h 10m1 stop Kuala Lumpur Intl
Malaysia Airlines Logo
10:10 pm - 10:55 pmSYD  Sydney Kingsford Smith-CMB Colombo Bandaranaike Intl
29h 15m1 stop Kuala Lumpur Intl
$1,045Malaysia 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 from Colombo Bandaranaike Intl Airport to Sydney with more confidence.

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

Monday is the cheapest day of the week to fly from Colombo Bandaranaike Intl Airport to Sydney, it is 15% cheaper than the average day. Saturday is the most expensive day with flight prices 12% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is 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 ($1,232) and August ($1,083) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 51% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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

Flights from Colombo Bandaranaike Intl Airport to Sydney are cheapest 22 weeks before departure. Booking in this window typically costs about 32% 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

June

Cheapest flight

$256
Best time to beat the crowds but there is an average 7% increase in price.
Most popular time to fly with an average 25% increase in price.
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • What airlines are available from Colombo Bandaranaike Intl Airport to Sydney?

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

  • 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).

  • 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 travelers should check the fare details before booking.

  • 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 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 $881 round-trip via Kuala Lumpur Intl (KUL), compared to $1,210 for nonstop.

  • 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.

  • 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) - 53% of one-stop connections
    • Singapore Changi (SIN) - 42% of one-stop connections
    • Bangkok Suvarnabhumi (BKK) - 2% of one-stop connections
    • Melbourne (MEL) - 2% of one-stop connections

    Kuala Lumpur Intl (KUL) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 25% on the Colombo Bandaranaike Intl Airport to Sydney route. Monday is the cheapest departure day at $839 round-trip on average, while Saturday is the most expensive at $1,107, a difference of $268. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • 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, 31% of flights were delayed in the past 3 months, with delays averaging 2 hours 5 minutes.

  • 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%.

  • 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 Sydney Chinatown. These are among the most viewed places in Sydney on KAYAK.

  • 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 10:19 am
    • Latest: departs at 12:05 am and lands at 10:19 am.

    The flight takes about 10h 14m.

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 7% above the route average of $986. Book 22 weeks before departure for the lowest fares.

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

    A nonstop flight from Colombo Bandaranaike Intl Airport to Sydney takes 10h 14m, 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.

  • Have flight prices from Colombo Bandaranaike Intl Airport to Sydney changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $478 to $3,220. That means the highest observed fare was about 7x higher than the lowest one.

  • 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 in line with typical prices for this route. Average one-way fares are about $594.

  • How does SriLankan Airlines’s on-time performance compare to other airlines on Colombo Bandaranaike Intl Airport to Sydney flights?

    SriLankan Airlines is the only airline operating Colombo Bandaranaike Intl Airport to Sydney flights. 69% of its flights are on time.

  • How do delay rates compare for morning and evening flights from Colombo Bandaranaike Intl Airport to Sydney?

    Night flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

  • 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 21m, compared with 14h 56m via Singapore Changi (SIN) and 17h 05m via Kuala Lumpur Intl (KUL).

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

    Sydney is 4 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 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 starting from around $10 for economy cars. Top options include:
    • Bargain Car Rentals
    • East Coast Car Rentals
    • EverythingFleet
    • YESDRIVE CAR RENTAL
    • No Birds

  • 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 $1,158, with an average of $986 over the past 12 months. Anything below $816 counts as a good deal.

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 can be flexible, aim for a Monday departure instead of Saturday. On this route, Monday flights average $839 - about $268 less than Saturday (24% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 22 weeks before you fly. On this route, that window historically saves about 32% 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 $420 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 $881 round-trip on this route - about $330 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.
    - Travelodge Hotel Sydney Airport
    - Rydges Sydney Airport Hotel
    - ibis budget Sydney Airport

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