$447 Cheap Flights from Kathmandu (KTM) to Sydney (SYD)

View $447 flight on Mon, Dec 1, 2025Opens in a new window

Popular airlines from Tribhuvan Intl. Airport (KTM) to Sydney Airport (SYD)

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Cheap Flights from Kathmandu to Sydney (KTM-SYD)

Prices were available within the past 7 days and start at $447 for one-way flights and $793 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Southern Airlines
Sun, May 31 - Sun, Jun 7
KTM
Kathmandu
SYD
Sydney
$793 Roundtrip, found 3 days ago
$793
Roundtrip
found 3 days ago
Select China Southern Airlines flight, departing Sun, May 31 from Kathmandu to Sydney, returning Sun, Jun 7, priced at $793 found 3 days ago
Singapore Airlines
Tue, Sep 1 - Tue, Sep 22
KTM
Kathmandu
SYD
Sydney
$820 Roundtrip, found 3 days ago
$820
Roundtrip
found 3 days ago
Select Singapore Airlines flight, departing Tue, Sep 1 from Kathmandu to Sydney, returning Tue, Sep 22, priced at $820 found 3 days ago
Sichuan Airlines
Mon, Dec 22 - Tue, Jan 6
KTM
Kathmandu
SYD
Sydney
$834 Roundtrip, found 3 days ago
$834
Roundtrip
found 3 days ago
Select Sichuan Airlines flight, departing Mon, Dec 22 from Kathmandu to Sydney, returning Tue, Jan 6, priced at $834 found 3 days ago
Sichuan Airlines
Tue, Nov 18 - Wed, Jan 28
KTM
Kathmandu
SYD
Sydney
$836 Roundtrip, found 3 days ago
$836
Roundtrip
found 3 days ago
Select Sichuan Airlines flight, departing Tue, Nov 18 from Kathmandu to Sydney, returning Wed, Jan 28, priced at $836 found 3 days ago
Sichuan Airlines
Wed, Dec 17 - Wed, Jan 21
KTM
Kathmandu
SYD
Sydney
$838 Roundtrip, found 5 days ago
$838
Roundtrip
found 5 days ago
Select Sichuan Airlines flight, departing Wed, Dec 17 from Kathmandu to Sydney, returning Wed, Jan 21, priced at $838 found 5 days ago
China Southern Airlines
Wed, Dec 17 - Thu, Jan 22
KTM
Kathmandu
SYD
Sydney
$840 Roundtrip, found 4 days ago
$840
Roundtrip
found 4 days ago
Select China Southern Airlines flight, departing Wed, Dec 17 from Kathmandu to Sydney, returning Thu, Jan 22, priced at $840 found 4 days ago
China Southern Airlines
Fri, Dec 19 - Sat, Feb 14
KTM
Kathmandu
SYD
Sydney
$842 Roundtrip, found 5 days ago
$842
Roundtrip
found 5 days ago
Select China Southern Airlines flight, departing Fri, Dec 19 from Kathmandu to Sydney, returning Sat, Feb 14, priced at $842 found 5 days ago
China Southern Airlines
Mon, Mar 2 - Wed, Mar 18
KTM
Kathmandu
SYD
Sydney
$844 Roundtrip, found 3 days ago
$844
Roundtrip
found 3 days ago
Select China Southern Airlines flight, departing Mon, Mar 2 from Kathmandu to Sydney, returning Wed, Mar 18, priced at $844 found 3 days ago
China Eastern Airlines
Sun, Feb 22 - Fri, Mar 6
KTM
Kathmandu
SYD
Sydney
$877 Roundtrip, found 3 days ago
$877
Roundtrip
found 3 days ago
Select China Eastern Airlines flight, departing Sun, Feb 22 from Kathmandu to Sydney, returning Fri, Mar 6, priced at $877 found 3 days ago
Malaysia Airlines
Thu, Aug 27 - Sun, Aug 30
KTM
Kathmandu
SYD
Sydney
$913 Roundtrip, found 3 days ago
$913
Roundtrip
found 3 days ago
Select Malaysia Airlines flight, departing Thu, Aug 27 from Kathmandu to Sydney, returning Sun, Aug 30, priced at $913 found 3 days ago

Find the cheapest month to fly from Kathmandu (KTM) to Sydney (SYD)

September is typically the cheapest month to fly

From $707 - $1,287 per traveler.

Alternative airports near Sydney

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Kingsford Smith Intl. SYD. Cheapest option available. Average driving time to city center is 16 minutes. Flights from $910
SYD
Kingsford Smith Intl.
Cheapest
Average driving time to city center16 min
Flights from $910

Frequently asked questions

How much does a flight from Tribhuvan Intl. Airport (KTM) to Kingsford Smith Intl. Airport (SYD) cost?
Grab a cheap one-way flight from $447 or cheap return flight from $793 from Tribhuvan Intl. Airport (KTM) to Kingsford Smith Intl. Airport (SYD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Tribhuvan Intl. Airport (KTM) to Kingsford Smith Intl. Airport (SYD)?
The cheapest month to fly from KTM to SYD is May, when there's less demand. Off-peak months are typically when airlines offer better prices between these airports.
What is the cheapest airline that flies from Tribhuvan Intl. Airport (KTM) to Kingsford Smith Intl. Airport (SYD)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll fly you from KTM to SYD. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Tribhuvan Intl. Airport (KTM) to Kingsford Smith Intl. Airport (SYD)?
There aren't any daily nonstop flights departing from Tribhuvan Intl. Airport (KTM) to Kingsford Smith Intl. Airport (SYD). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from KTM to SYD?
Typically you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can change based on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Tribhuvan Intl. Airport (KTM) to Kingsford Smith Intl. Airport (SYD)?
Select a flight from Tribhuvan Intl. Airport (KTM) to Kingsford Smith Intl. Airport (SYD) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**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 Tribhuvan Intl. Airport (KTM) to Kingsford Smith Intl. Airport (SYD) last-minute?
Last-minute fares from KTM to SYD are typically more expensive. For the cheapest rates, start searching for flights well in advance. That being said, if you're flexible with your travel plans, you may find a cheap fare right before you leave.
Is it cheaper to book a KTM to SYD flight and hotel package?
Booking a KTM to SYD flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our extensive range of accommodations and then add flights, car rentals and activities 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 Tribhuvan Intl. Airport (KTM) to Kingsford Smith Intl. Airport (SYD)?
If you reserved your KTM to SYD flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

Travel information

Origin airport
Tribhuvan Intl.
Destination airport
Kingsford Smith Intl.
Airlines serving
Air India, Cathay Pacific, China Eastern Airlines, China Southern Airlines, Emirates, Etihad Airways, Korean Air, Malaysia Airlines, Qatar Airways, Sichuan Airlines, Singapore Airlines, Thai Airways International, Turkish Airlines
Roundtrip price
$793
Distance
6053 mi

Book with confidence

Kathmandu to Sydney Flights

The cheapest times to fly from Kathmandu 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 Kathmandu to Sydney are during the month of May. You can find some of the cheapest flights from Kathmandu to Sydney with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Kathmandu to Sydney

Sunday is one of the best days to book for cheap flights from Kathmandu 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 Kathmandu 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 Kathmandu to Sydney in 2025. You can also book with separate airlines for your outbound and return journeys, from $447 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 Kathmandu 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 Kathmandu 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.

 

Kathmandu to Sydney Flights

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*Available to One Key members.