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$373 Cheap Flights from Sydney (SYD) to Kathmandu (KTM)

View $373 flight on Fri, Aug 7, 2026Opens in a new window

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

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Cheap Flights from Sydney to Kathmandu (SYD-KTM)

Prices were available within the past 7 days and start at $373 for one-way flights and $697 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Eastern Airlines
Wed, Nov 18 - Sun, Dec 6
SYD
Sydney
KTM
Kathmandu
$697 Roundtrip, found 18 hours ago
$697
Roundtrip
found 18 hours ago
Select China Eastern Airlines flight, departing Wed, Nov 18 from Sydney to Kathmandu, returning Sun, Dec 6, priced at $697 found 18 hours ago
China Eastern Airlines
Sun, Nov 15 - Sun, Dec 6
SYD
Sydney
KTM
Kathmandu
$729 Roundtrip, found 18 hours ago
$729
Roundtrip
found 18 hours ago
Select China Eastern Airlines flight, departing Sun, Nov 15 from Sydney to Kathmandu, returning Sun, Dec 6, priced at $729 found 18 hours ago
Singapore Airlines
Wed, Jun 2 - Wed, Jun 16
SYD
Sydney
KTM
Kathmandu
$768 Roundtrip, found 4 hours ago
$768
Roundtrip
found 4 hours ago
Select Singapore Airlines flight, departing Wed, Jun 2 from Sydney to Kathmandu, returning Wed, Jun 16, priced at $768 found 4 hours ago
Singapore Airlines
Wed, Jun 2 - Wed, Jun 16
SYD
Sydney
KTM
Kathmandu
$793 Roundtrip, found 4 hours ago
$793
Roundtrip
found 4 hours ago
Select Singapore Airlines flight, departing Wed, Jun 2 from Sydney to Kathmandu, returning Wed, Jun 16, priced at $793 found 4 hours ago
Singapore Airlines
Fri, May 7 - Sat, May 15
SYD
Sydney
KTM
Kathmandu
$800 Roundtrip, found 1 day ago
$800
Roundtrip
found 1 day ago
Select Singapore Airlines flight, departing Fri, May 7 from Sydney to Kathmandu, returning Sat, May 15, priced at $800 found 1 day ago
Singapore Airlines
Fri, May 7 - Sat, May 15
SYD
Sydney
KTM
Kathmandu
$807 Roundtrip, found 1 day ago
$807
Roundtrip
found 1 day ago
Select Singapore Airlines flight, departing Fri, May 7 from Sydney to Kathmandu, returning Sat, May 15, priced at $807 found 1 day ago
China Southern Airlines
Sat, Aug 8 - Mon, Aug 24
SYD
Sydney
KTM
Kathmandu
$841 Roundtrip, found 15 hours ago
$841
Roundtrip
found 15 hours ago
Select China Southern Airlines flight, departing Sat, Aug 8 from Sydney to Kathmandu, returning Mon, Aug 24, priced at $841 found 15 hours ago
Batik air
Sat, Aug 22 - Tue, Sep 22
SYD
Sydney
KTM
Kathmandu
$899 Roundtrip, found 3 days ago
$899
Roundtrip
found 3 days ago
Select Batik air flight, departing Sat, Aug 22 from Sydney to Kathmandu, returning Tue, Sep 22, priced at $899 found 3 days ago
Thai Airways International
Tue, Sep 1 - Sat, Sep 5
SYD
Sydney
KTM
Kathmandu
$923 Roundtrip, found 3 days ago
$923
Roundtrip
found 3 days ago
Select Thai Airways International flight, departing Tue, Sep 1 from Sydney to Kathmandu, returning Sat, Sep 5, priced at $923 found 3 days ago
Sichuan Airlines
Tue, Sep 1 - Sat, Sep 5
SYD
Sydney
KTM
Kathmandu
$934 Roundtrip, found 3 days ago
$934
Roundtrip
found 3 days ago
Select Sichuan Airlines flight, departing Tue, Sep 1 from Sydney to Kathmandu, returning Sat, Sep 5, priced at $934 found 3 days ago

What you need to know for your flight from Kingsford Smith Intl. to Tribhuvan Intl.

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.

Frequently asked questions

How much does a flight from Sydney, NSW (SYD-Kingsford Smith Intl.) to Kathmandu (KTM-Tribhuvan Intl.) cost?
You can find cheap one-way flights from $373 and cheap return flights from $697 Sydney, NSW (SYD-Kingsford Smith Intl.) to Kathmandu (KTM-Tribhuvan Intl.) with Expedia. One-way flights usually range from $511 to $3824, and return flights typically cost between $862 and $2899. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Sydney, NSW (SYD-Kingsford Smith Intl.) to Kathmandu (KTM-Tribhuvan Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Sydney, NSW (SYD-Kingsford Smith Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
August is the cheapest month to fly from Sydney (SYD) to Kathmandu (KTM), with average round-trip fares around $755. This price is about 25% lower than the average throughout the year, as August typically has less travel activity. Other economical months for this route include May and July.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Sydney, NSW (SYD-Kingsford Smith Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
Enter SYD to KTM and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Sydney, NSW (SYD-Kingsford Smith Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
Cathay Pacific is one of the cheapest airlines offering connecting flights from Sydney (SYD) to Kathmandu (KTM), with round-trip tickets starting from around $1,046 with a layover in an airport. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Sydney, NSW (SYD-Kingsford Smith Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
To find a cheap flight from Sydney, NSW (SYD-Kingsford Smith Intl.) to Kathmandu (KTM-Tribhuvan Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Sydney, NSW (SYD-Kingsford Smith Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
When flying from Sydney to Kathmandu, aim for August or May. Return flights during these months average around $755, offering a good balance of price and travel experience. August is a great time to visit, as it coincides with the end of the monsoon season, leading to clearer skies.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Sydney, NSW (SYD-Kingsford Smith Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
The earliest flight from Kingsford Smith International Airport (SYD) to Tribhuvan International Airport (KTM) typically departs at around 6:00 AM, operated by Emirates. This seasonal service can help you maximize your time in Kathmandu, allowing for a full day of exploration upon arrival. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Sydney, NSW (SYD-Kingsford Smith Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
The most popular departure times for flights from Sydney (SYD) to Kathmandu (KTM) are in the late morning, from 9am to noon. About 23% of passengers prefer this time window. Many major carriers, including Cathay Pacific, Thai Airways, and China Southern Airlines, offer flights during this window. This timing is ideal for travelers who want to start their day in Sydney before embarking on their journey to Kathmandu.
How long does it take to fly from Sydney, NSW (SYD-Kingsford Smith Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
A flight from SYD to KTM with a layover takes around 18 hours 50 minutes, with the route covering approximately 6,054 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Sydney, NSW (SYD-Kingsford Smith Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
Business class is available on flights from SYD to KTM. Airlines that offer business class service on this route include:

  • Emirates
  • Qantas Airways
  • Qatar Airways
  • Air India
  • Korean Air
  • Virgin Australia
  • Malaysia Airlines
  • China Eastern Airlines
  • Finnair
  • Thai Airways International

How do I earn miles on a Sydney, NSW (SYD-Kingsford Smith Intl.) to Kathmandu (KTM-Tribhuvan Intl.) flight with Expedia?
It's easy to earn miles on a Sydney, NSW (SYD-Kingsford Smith Intl.) to Kathmandu (KTM-Tribhuvan Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Kathmandu from Kingsford Smith Intl. (SYD)?
From Kingsford Smith Intl. (SYD), you can fly into Tribhuvan Intl. (KTM) to reach Kathmandu. Some flights may connect through major hubs like Tullamarine (MEL), Changi (SIN), BNE (BNE) before reaching Kathmandu. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Sydney, NSW (SYD-Kingsford Smith Intl.) to Kathmandu (KTM-Tribhuvan Intl.) at the last minute?
Typically, booking a last minute flight from Sydney, NSW (SYD-Kingsford Smith Intl.) to Kathmandu (KTM-Tribhuvan Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Sydney, NSW (SYD-Kingsford Smith Intl.) to Kathmandu (KTM-Tribhuvan Intl.) flight and hotel package?
Securing a Sydney, NSW (SYD-Kingsford Smith Intl.) to Kathmandu (KTM-Tribhuvan Intl.) Nepal Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities 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 Sydney, NSW (SYD-Kingsford Smith Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
If you booked your Sydney, NSW (SYD-Kingsford Smith Intl.) to Kathmandu (KTM-Tribhuvan Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Kingsford Smith Intl.
Destination airport
Tribhuvan Intl.
Airlines serving
Air China, Air India, Batik air , Cathay Pacific, China Eastern Airlines, China Southern Airlines, Emirates, Etihad Airways, IndiGo, Korean Air, Malaysia Airlines, Qatar Airways, Sichuan Airlines, Singapore Airlines, SriLankan Airlines, Thai Airways International
Roundtrip price
$696
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 November. 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 $373 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

*Flight schedules are subject to change.

*Available to One Key members.

 

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