$456 Cheap Flights from Kathmandu (KTM) to Sydney (SYD)

Find available prices by choosing your travel dates.

Cheap Flights from Kathmandu to Sydney (KTM-SYD)

Prices were available within the past 7 days and start at $456 for one-way flights and $791 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Eastern Airlines
China Southern Airlines
China Eastern Airlines
Malaysia Airlines
Malaysia Airlines
Malaysia Airlines
Malaysia Airlines
Air India
Cathay Pacific
Thai Airways International
Flights from Kathmandu (KTM) to Sydney (SYD)
Origin airport
Tribhuvan Intl.
Destination airport
Kingsford Smith Intl.
Airlines serving
Air India, Batik air , Cathay Pacific, China Eastern Airlines, China Southern Airlines, Emirates, Etihad Airways, Malaysia Airlines, Qatar Airways, Sichuan Airlines, Singapore Airlines, SriLankan Airlines, Thai Airways International, Turkish Airlines
Roundtrip price
$791
Distance
6053 mi

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 June. 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 $456 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.

Frequently asked questions

Is it cheaper to buy a plane ticket from Tribhuvan Intl. Airport to Kingsford Smith Intl. Airport (SYD) last minute?
When it’s time to book your flights, being organized pays off. While it’s possible to find a last-minute deal on a Tribhuvan Intl. Airport to Mascot Airport flight, prices usually don’t get cheaper as the date of departure nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to book a domestic flight is between 28 – 35 days ahead. For international travel it’s between three and four months.
What airports do you fly into for Sydney from Kathmandu?
Kathmandu to Sydney flights land at Kingsford Smith Intl. Airport (SYD). This terminal is roughly 5 mi southwest of the center of Sydney. Snap up a terrific deal with Expedia and then get set for a travel adventure.
Can I change the date of my flight from KTM to Sydney Airport?
Life can throw a spanner in your plans, so Expedia is here to help make things as simple as possible. To start, find your Tribhuvan Intl. Airport (KTM) to Sydney Airport itinerary through the Expedia Trips portal and read the ticket conditions and rules about what changes you can make. If you purchased your airfare in the last 24 hours, some airlines allow you to cancel at no cost and book new flights. If you bought your ticket more than 24 hours ago, contact us via our Customer Service portal to find out what your options are.

Explore a world of travel with Expedia

*Available to One Key members.