$204 Cheap Flights from Kota Kinabalu (BKI) to Sydney (SYD)

View $204 flight on Thu, Nov 27, 2025Opens in a new window

Popular airlines from Kota Kinabalu Intl. Airport (BKI) to Sydney Airport (SYD)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Kota Kinabalu to Sydney (BKI-SYD)

Prices were available within the past 7 days and start at $204 for one-way flights and $475 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scoot
Fri, Oct 31 - Sun, Nov 16
BKI
Kota Kinabalu
SYD
Sydney
$475 Roundtrip, found 1 hour ago
$475
Roundtrip
found 1 hour ago
Select Scoot flight, departing Fri, Oct 31 from Kota Kinabalu to Sydney, returning Sun, Nov 16, priced at $475 found 1 hour ago
Scoot
Fri, Oct 31 - Sun, Nov 16
BKI
Kota Kinabalu
SYD
Sydney
$553 Roundtrip, found 1 hour ago
$553
Roundtrip
found 1 hour ago
Select Scoot flight, departing Fri, Oct 31 from Kota Kinabalu to Sydney, returning Sun, Nov 16, priced at $553 found 1 hour ago
Batik air
Fri, Oct 31 - Sun, Nov 16
BKI
Kota Kinabalu
SYD
Sydney
$602 Roundtrip, found 1 hour ago
$602
Roundtrip
found 1 hour ago
Select Batik air flight, departing Fri, Oct 31 from Kota Kinabalu to Sydney, returning Sun, Nov 16, priced at $602 found 1 hour ago
Batik air
Fri, Oct 31 - Sun, Nov 16
BKI
Kota Kinabalu
SYD
Sydney
$608 Roundtrip, found 1 hour ago
$608
Roundtrip
found 1 hour ago
Select Batik air flight, departing Fri, Oct 31 from Kota Kinabalu to Sydney, returning Sun, Nov 16, priced at $608 found 1 hour ago
Batik air
Fri, Oct 31 - Sun, Nov 16
BKI
Kota Kinabalu
SYD
Sydney
$610 Roundtrip, found 1 hour ago
$610
Roundtrip
found 1 hour ago
Select Batik air flight, departing Fri, Oct 31 from Kota Kinabalu to Sydney, returning Sun, Nov 16, priced at $610 found 1 hour ago
Batik air
Fri, Oct 31 - Sun, Nov 16
BKI
Kota Kinabalu
SYD
Sydney
$633 Roundtrip, found 1 hour ago
$633
Roundtrip
found 1 hour ago
Select Batik air flight, departing Fri, Oct 31 from Kota Kinabalu to Sydney, returning Sun, Nov 16, priced at $633 found 1 hour ago
Batik air
Fri, Oct 31 - Sun, Nov 16
BKI
Kota Kinabalu
SYD
Sydney
$640 Roundtrip, found 1 hour ago
$640
Roundtrip
found 1 hour ago
Select Batik air flight, departing Fri, Oct 31 from Kota Kinabalu to Sydney, returning Sun, Nov 16, priced at $640 found 1 hour ago
China Eastern Airlines
Fri, Oct 31 - Sun, Nov 16
BKI
Kota Kinabalu
SYD
Sydney
$732 Roundtrip, found 1 hour ago
$732
Roundtrip
found 1 hour ago
Select China Eastern Airlines flight, departing Fri, Oct 31 from Kota Kinabalu to Sydney, returning Sun, Nov 16, priced at $732 found 1 hour ago
Malaysia Airlines
Fri, Oct 31 - Sun, Nov 16
BKI
Kota Kinabalu
SYD
Sydney
$839 Roundtrip, found 1 hour ago
$839
Roundtrip
found 1 hour ago
Select Malaysia Airlines flight, departing Fri, Oct 31 from Kota Kinabalu to Sydney, returning Sun, Nov 16, priced at $839 found 1 hour ago
China Southern Airlines
Fri, Oct 31 - Sun, Nov 16
BKI
Kota Kinabalu
SYD
Sydney
$894 Roundtrip, found 1 hour ago
$894
Roundtrip
found 1 hour ago
Select China Southern Airlines flight, departing Fri, Oct 31 from Kota Kinabalu to Sydney, returning Sun, Nov 16, priced at $894 found 1 hour ago
Flights from Kota Kinabalu (BKI) to Sydney (SYD)
Origin airport
Kota Kinabalu Intl.
Destination airport
Kingsford Smith Intl.
Roundtrip price
$474
Distance
3583 mi

Kota Kinabalu to Sydney Flights

The cheapest times to fly from Kota Kinabalu to Sydney

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Kota Kinabalu to Sydney are during the month of October. You can find some of the cheapest flights from Kota Kinabalu to Sydney with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Kota Kinabalu to Sydney

Sunday is one of the best days to book for cheap flights from Kota Kinabalu to Sydney: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Kota Kinabalu to Sydney

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Kota Kinabalu to Sydney in 2025. You can also book with separate airlines for your outbound and return journeys, from $204 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Kota Kinabalu to Sydney flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Kota Kinabalu to Sydney airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Kota Kinabalu Intl. Airport (BKI) to Kingsford Smith Intl. Airport (SYD) cost?
Lock in a cheap one-way flight from $204 or cheap return flight from $475 from Kota Kinabalu Intl. Airport (BKI) to Kingsford Smith Intl. Airport (SYD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Kota Kinabalu Intl. Airport (BKI) to Kingsford Smith Intl. Airport (SYD)?
October is the most affordable month to fly from BKI to SYD. Planning your trip for the off-season is often the key to finding better deals on flights.
What is the cheapest airline that flies from Kota Kinabalu Intl. Airport (BKI) to Kingsford Smith Intl. Airport (SYD)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest BKI to SYD flight.
How many flights per day from Kota Kinabalu Intl. Airport (BKI) to Kingsford Smith Intl. Airport (SYD)?
Nonstop flights from Kota Kinabalu Intl. Airport (BKI) to Kingsford Smith Intl. Airport (SYD) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BKI to SYD?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary based on a number of factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Kota Kinabalu Intl. Airport (BKI) to Kingsford Smith Intl. Airport (SYD)?
To avoid possible delays on the Kota Kinabalu Intl. Airport (BKI) to Kingsford Smith Intl. Airport (SYD) route, travel before 3 PM. Flights after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Kota Kinabalu Intl. Airport (BKI) to Kingsford Smith Intl. Airport (SYD) last-minute?
Waiting until right before your break to book a ticket from BKI to SYD often results in higher prices. While you might find some last-minute offers, they aren't always guaranteed. Allow some flexibility in your schedule to maximize your chances of getting a bargain.
Is it cheaper to book a BKI to SYD flight and hotel package?
Booking a BKI to SYD flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our extensive range of hotels and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Kota Kinabalu Intl. Airport (BKI) to Kingsford Smith Intl. Airport (SYD)?
In most instances, you can cancel or reschedule your BKI to SYD flight. However, there may be additional fees, especially if you booked more than 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like more information, head to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.