Cheap Flights from Sydney to Kathmandu

Compare Sydney to Kathmandu flight deals

Find the cheapest month or even day of the year to fly to Kathmandu

Book the best Kathmandu fare with no extra fees

Flight deals from Sydney to Kathmandu

Looking for a cheap last-minute deal or the best return flight from Sydney to Kathmandu? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Sydney to Kathmandu

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Sydney to Kathmandu flights are currently cheapest in March.

Sydney to Kathmandu: Alternative routes

Compare routes from Sydney to Kathmandu below. You may find an airport to fly into that's cheaper, faster, or easier than Kathmandu.

Sydney to Kathmandu: Flight information

The things to know before you go.
Cheapest flight foundج.م.‏ 14,417
Cheapest month to flyMarch

Finding cheap flights from Sydney to Kathmandu: Frequently asked questions

The best price we found for a return flight from Sydney to Kathmandu is ج.م.‏ 27,494. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Sydney to Kathmandu. But we found flights with one or more stops from ج.م.‏ 27,494.
As of February 2026, there are no flights flying from Sydney to Kathmandu.
The cheapest month to fly from Sydney to Kathmandu is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sydney Airport to Kathmandu Airport on Saturday, 2 May 2026.
No airlines currently offer direct flights between Sydney Airport and Kathmandu Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Kathmandu but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Kathmandu is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, AirAsia X offers the cheapest flight tickets to Kathmandu.

Flying from Sydney (Kingsford Smith) Airport (SYD) to Tribhuvan International Airport (KTM): what you need to know

  • Kathmandu's timezone is UTC+5:47, which makes Kathmandu five hours 12 minutes behind Sydney.

  • For a smooth journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This way, you'll have plenty of time to catch your SYD to KTM flight.

  • You can expect longer lines in popular months such as April. Arriving up to four hours ahead of international flights and two hours for domestic departures is a good idea.

  • If you'd like to add a stop to your trip, just deselect 'Direct flights only' when searching for your ticket from Sydney (Kingsford Smith) Airport to Tribhuvan International Airport. Here are the most popular stopovers between SYD and KTM:

    • Changi International Airport

    • Kuala Lumpur International Airport

    • Indira Gandhi International Airport

How to find the cheapest flights from Sydney (Kingsford Smith) Airport (SYD) to Tribhuvan International Airport (KTM)

  • Currently, ج.م.‏ 14,417 is the cheapest price we've seen for a one-way Sydney (Kingsford Smith) Airport to Tribhuvan International Airport flight. The best price for a return plane ticket is ج.م.‏ 27,494. Remember that fares could change due to demand at the time of booking.

  • To score cheap tickets from SYD to KTM, book early. Airlines generally offer their best fares when flights are first made available.

  • The 'Whole month' search tool shows you the cheapest flights from Sydney (Kingsford Smith) Airport to Tribhuvan International Airport throughout the month. It's a good way to find a bargain if your travel dates aren't set in stone.

  • Save time looking for cheap flights from SYD to KTM by creating a Price Alert. You'll receive an email or notification on the app when fares go down.

  • Pick your ideal departure and arrival times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Sydney (Kingsford Smith) Airport to Tribhuvan International Airport.

Handy information about Sydney (Kingsford Smith) Airport (SYD)

  • Of the departures from Sydney (Kingsford Smith) Airport, 69.62% land on time at their destination.

  • Central Sydney to Sydney (Kingsford Smith) Airport is approximately 18 kilometres. Depending on traffic, it'll take about 20 minutes to get there if you're driving, ride-sharing or catching a cab.

  • The trip on public transport typically takes 25 minutes.

  • Looking for a handy hotel near SYD? If you're boarding an early flight from Sydney (Kingsford Smith) Airport to Tribhuvan International Airport, these accommodation options will have you sleeping moments from check-in:

Arriving at Tribhuvan International Airport (KTM)

  • Consider booking a hotel near KTM if you're taking a late Sydney (Kingsford Smith) Airport to Tribhuvan International Airport flight. Pick one of these options and make your arrival easier:

  • Pick up a Tribhuvan International Airport rental car and explore parts of Kathmandu that aren't on a typical itinerary. You can book your wheels with Spark Car.

  • For the lowest price, reserve your vehicle from Tribhuvan International Airport around one week before you set off.

Getting from Tribhuvan International Airport (KTM) to central Kathmandu

  • Tribhuvan International Airport to central Kathmandu has a drive time of about 15 minutes. It's approximately 5 kilometres away.

When to fly to Tribhuvan International Airport (KTM)

  • The quietest month for a flight from Sydney (Kingsford Smith) Airport to Tribhuvan International Airport is February, while September is the busiest. Choose the best time to visit Kathmandu based on whether you prefer a more relaxed vibe or a faster pace.

  • Book your flight from Sydney (Kingsford Smith) Airport to Tribhuvan International Airport for June if you'd like to visit Kathmandu during its warmest month. Expect temperatures of between 17ºC and 28ºC.

  • For cooler conditions, look for a cheap ticket from SYD to KTM in January. Temperatures average between 3ºC and 18ºC then.

Explore more of Nepal

  • You've seen Kathmandu, now it's time to explore other parts of Nepal. Travel around 145 kilometres north-west to Pokhara to check off its leading attractions. From Phewa Lake to Sarangkot and Gupteshwor Mahadev Cave, there's plenty to keep you busy.

  • If you're looking to explore another corner of Nepal, consider Patan, roughly 6 kilometres south of Kathmandu. Aspur Agro Farm, Pimbahaa Pukhoo and Rajib Handicraft are among the biggest draws.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.