$398 Cheap Flights from Sydney (SYD) to Kathmandu (KTM)

View $398 flight on Fri, Nov 28, 2025Opens in a new window

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

Cheap Flights from Sydney to Kathmandu (SYD-KTM)

Prices were available within the past 7 days and start at $398 for one-way flights and $656 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Singapore Airlines
Thu, Apr 30 - Sat, May 30
SYD
Sydney
KTM
Kathmandu
$656 Roundtrip, found 4 hours ago
$656
Roundtrip
found 4 hours ago
Select Singapore Airlines flight, departing Thu, Apr 30 from Sydney to Kathmandu, returning Sat, May 30, priced at $656 found 4 hours ago
Singapore Airlines
Thu, Apr 30 - Sat, May 30
SYD
Sydney
KTM
Kathmandu
$661 Roundtrip, found 4 hours ago
$661
Roundtrip
found 4 hours ago
Select Singapore Airlines flight, departing Thu, Apr 30 from Sydney to Kathmandu, returning Sat, May 30, priced at $661 found 4 hours ago
Singapore Airlines
Thu, Apr 30 - Sat, May 30
SYD
Sydney
KTM
Kathmandu
$668 Roundtrip, found 4 hours ago
$668
Roundtrip
found 4 hours ago
Select Singapore Airlines flight, departing Thu, Apr 30 from Sydney to Kathmandu, returning Sat, May 30, priced at $668 found 4 hours ago
Singapore Airlines
Thu, Jan 29 - Mon, Mar 2
SYD
Sydney
KTM
Kathmandu
$683 Roundtrip, found 4 days ago
$683
Roundtrip
found 4 days ago
Select Singapore Airlines flight, departing Thu, Jan 29 from Sydney to Kathmandu, returning Mon, Mar 2, priced at $683 found 4 days ago
Singapore Airlines
Sun, Mar 8 - Wed, Mar 25
SYD
Sydney
KTM
Kathmandu
$685 Roundtrip, found 3 days ago
$685
Roundtrip
found 3 days ago
Select Singapore Airlines flight, departing Sun, Mar 8 from Sydney to Kathmandu, returning Wed, Mar 25, priced at $685 found 3 days ago
Singapore Airlines
Thu, Apr 30 - Sat, May 30
SYD
Sydney
KTM
Kathmandu
$687 Roundtrip, found 4 hours ago
$687
Roundtrip
found 4 hours ago
Select Singapore Airlines flight, departing Thu, Apr 30 from Sydney to Kathmandu, returning Sat, May 30, priced at $687 found 4 hours ago
China Southern Airlines
Sat, May 30 - Sun, Jun 14
SYD
Sydney
KTM
Kathmandu
$697 Roundtrip, found 3 days ago
$697
Roundtrip
found 3 days ago
Select China Southern Airlines flight, departing Sat, May 30 from Sydney to Kathmandu, returning Sun, Jun 14, priced at $697 found 3 days ago
SriLankan Airlines
Sat, Mar 14 - Thu, Mar 26
SYD
Sydney
KTM
Kathmandu
$731 Roundtrip, found 1 day ago
$731
Roundtrip
found 1 day ago
Select SriLankan Airlines flight, departing Sat, Mar 14 from Sydney to Kathmandu, returning Thu, Mar 26, priced at $731 found 1 day ago
Cathay Pacific
Thu, Jan 29 - Mon, Mar 2
SYD
Sydney
KTM
Kathmandu
$747 Roundtrip, found 4 days ago
$747
Roundtrip
found 4 days ago
Select Cathay Pacific flight, departing Thu, Jan 29 from Sydney to Kathmandu, returning Mon, Mar 2, priced at $747 found 4 days ago
Sichuan Airlines
Sat, Nov 15 - Mon, Dec 15
SYD
Sydney
KTM
Kathmandu
$757 Roundtrip, found 4 days ago
$757
Roundtrip
found 4 days ago
Select Sichuan Airlines flight, departing Sat, Nov 15 from Sydney to Kathmandu, returning Mon, Dec 15, priced at $757 found 4 days ago

Alternative airports near Kathmandu

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

Select flight to Tribhuvan Intl. KTM. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $1,007
KTM
Tribhuvan Intl.
CheapestClosest
Average driving time to city center6 min
Flights from $1,007

Frequently asked questions

How much does a flight from Kingsford Smith Intl. Airport (SYD) to Tribhuvan Intl. Airport (KTM) cost?
Secure a cheap one-way flight from $398 or cheap return flight from $656 from Kingsford Smith Intl. Airport (SYD) to Tribhuvan Intl. Airport (KTM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Kingsford Smith Intl. Airport (SYD) to Tribhuvan Intl. Airport (KTM)?
The cheapest month to fly from SYD to KTM is April, when there's less demand. Off-peak months are generally when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Kingsford Smith Intl. Airport (SYD) to Tribhuvan Intl. Airport (KTM)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll take you from SYD to KTM. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Kingsford Smith Intl. Airport (SYD) to Tribhuvan Intl. Airport (KTM)?
Nonstop flights from Kingsford Smith Intl. Airport (SYD) to Tribhuvan Intl. Airport (KTM) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SYD to KTM?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary depending on various factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Kingsford Smith Intl. Airport (SYD) to Tribhuvan Intl. Airport (KTM)?
To reach Tribhuvan Intl. Airport (KTM) on schedule, pick a flight that leaves from Kingsford Smith Intl. Airport (SYD) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Kingsford Smith Intl. Airport (SYD) to Tribhuvan Intl. Airport (KTM) last-minute?
Holding off until just before your departure to book a flight from SYD to KTM generally means paying more. While you might find some last-minute discounts, there's no guarantee. Keep your travel plans flexible for a better chance of snagging a bargain.
Is it cheaper to book a SYD to KTM flight and hotel package?
Opting for a SYD to KTM flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Select from our extensive range of accommodations and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Kingsford Smith Intl. Airport (SYD) to Tribhuvan Intl. Airport (KTM)?
Generally, it's possible to cancel or reschedule your SYD to KTM flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Kingsford Smith Intl.
Destination airport
Tribhuvan Intl.
Airlines serving
Air India, Cathay Pacific, China Eastern Airlines, China Southern Airlines, Emirates, Etihad Airways, Malaysia Airlines, Qatar Airways, Sichuan Airlines, Singapore Airlines, SriLankan Airlines, Thai Airways International
Roundtrip price
$656
Distance
6053 mi

Book with confidence

Sydney to Kathmandu Flights

The cheapest times to fly from Sydney to Kathmandu

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

 

The best time to book a flight from Sydney to Kathmandu

Sunday is one of the best days to book for cheap flights from Sydney to Kathmandu: 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 Sydney to Kathmandu

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 Sydney to Kathmandu in 2025. You can also book with separate airlines for your outbound and return journeys, from $398 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 Sydney to Kathmandu 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 Sydney to Kathmandu 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.

 

Sydney to Kathmandu Flights

Explore a world of travel with Expedia

*Available to One Key members.