$366 Cheap Flights from Sydney (SYD) to Kathmandu (KTM)

Sydney (SYD) to Kathmandu (KTM) at a glance

Embark on an international journey from Sydney (SYD) to Kathmandu (KTM) with a range of airline options to choose from. Compare itineraries from various full-service carriers to discover the flights that align with your budget, schedule, and travel aspirations as you prepare to explore the iconic sights and vibrant neighborhoods of Kathmandu. Find essential information for flights departing from Kingsford Smith International Airport (SYD) to Tribhuvan International Airport (KTM).

• Fastest flight duration: around 14h 30m in-flight, plus roughly 3h 30m layover with one stop
• Route distance: roughly 6,000 miles (9,660 km)
• Flights per week: around 7 departures on average
• Typical fares (one-way): economy tickets often range from $375–$1040, depending on seasonality and how far ahead you book

Flights from Kingsford Smith International Airport (SYD) to Tribhuvan International Airport (KTM)

Based on the latest traveler bookings, here are the top airlines favored for flights from Sydney to Kathmandu, primarily selected for their one-stop services. Common layover points include Hong Kong International Airport (HKG) with a layover of approximately 1 hour and 30 minutes, Suvarnabhumi International Airport (BKK) with about 4 hours and 45 minutes, and Tianfu International Airport (TFU) offering a 4-hour layover. These options provide the flexibility to balance price, total travel time, and cabin class to create the perfect itinerary.

• Cathay Pacific: This full-service airline provides convenient one-stop service, with one-way ticket prices generally falling between $435 and $765. It represents about 26% of flights on this route, with an in-flight duration of 14 hours and 30 minutes, resulting in a total travel time of around 17 hours and 45 minutes, including the layover.
• Thai Airways International: Offering a full-service experience, this airline features one-stop options with one-way fares typically ranging from $465 to $775. It accounts for approximately 24% of departures on this route, with a flight time of 14 hours and 30 minutes, leading to a total journey time of about 17 hours and 45 minutes, including the layover.
• Sichuan Airlines: As a full-service carrier, Sichuan Airlines offers one-stop service and one-way fares that usually span from $390 to $1,040. This airline makes up around 17% of the flights on this route, boasting an in-flight time of 14 hours and 30 minutes, and a total journey time of approximately 17 hours and 45 minutes, including the layover.
• China Southern Airlines: This full-service airline provides one-stop service with one-way fares typically ranging from $375 to $810. It constitutes about 13% of the departures on this route, with a flight duration of 14 hours and 30 minutes, totaling around 17 hours and 45 minutes of travel time, including the layover.
• Air India: As a full-service carrier, Air India offers one-stop service, featuring one-way fares that generally range from $375 to $700. It accounts for roughly 11% of flights on this route, with an in-flight time of 14 hours and 30 minutes, resulting in a total journey time of about 17 hours and 45 minutes, including the layover.

Alternative routes from Sydney (SYD) to Kathmandu (KTM)

• Shellharbour to Kathmandu (WOL-KTM): Located approximately 48 miles from Kingsford Smith International Airport (SYD), Shellharbour Airport (WOL) serves as a convenient departure point.
• Sydney to Pokhara Intl. Airport (SYD-PKR): Tribhuvan International Airport (KTM) is around 89 miles distant from Pokhara International Airport (PKR), making it a notable travel option from Sydney.

How to find the best prices for flights from Sydney (SYD) to Kathmandu (KTM)

Getting some of the best deals on flights from Sydney to Kathmandu is all about timing and flexibility. Here are some key tips to help you save:

1. Best times to book and fly: cheaper fares are usually found when booking at least two months in advance, although most travelers tend to book between two to eight weeks ahead. Departures in the morning, from 5 AM to 12 PM, often offer lower prices and are the most popular flight times. Additionally, flying on Saturday typically yields cheaper rates, while Sunday remains the most favored travel day.
2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Kathmandu hotel and flight deals.
4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Tribhuvan International Airport from Kingsford Smith International Airport

Kathmandu welcomes travelers from Sydney with a range of transport options based on price, convenience, and proximity. Here's how to reach Kathmandu efficiently:

• Hotel transfer: Transfers offer a convenient way to reach your hotel in Kathmandu, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
• Car rental: Renting a car from Tribhuvan International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Tribhuvan International Airport on Expedia.
• Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
• Public transportation: From Tribhuvan International Airport, getting around is straightforward, with Kathmandu Seaport, a seaport, located about 2.8 miles away by car.

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 October. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $366 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.