$280 Flights from Kathmandu (KTM) to Sydney (SYD)

Compare Kathmandu to Sydney flight deals

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Flight deals from Kathmandu to Sydney

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

Sydney.$280 per passenger.Departing Mon, May 25.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departing from Kathmandu on Mon, May 25, arriving in Sydney.Price includes taxes and charges.From $280, select.

Sydney.$283 per passenger.Departing Wed, Jun 3.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departing from Kathmandu on Wed, Jun 3, arriving in Sydney.Price includes taxes and charges.From $283, select.

Sydney.$307 per passenger.Departing Mon, Mar 23.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departing from Kathmandu on Mon, Mar 23, arriving in Sydney.Price includes taxes and charges.From $307, select.

Sydney.$311 per passenger.Departing Sun, Apr 26.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departing from Kathmandu on Sun, Apr 26, arriving in Sydney.Price includes taxes and charges.From $311, select.

Sydney.$315 per passenger.Departing Wed, Jul 1.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departing from Kathmandu on Wed, Jul 1, arriving in Sydney.Price includes taxes and charges.From $315, select.

Sydney.$331 per passenger.Departing Sun, Aug 2.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departing from Kathmandu on Sun, Aug 2, arriving in Sydney.Price includes taxes and charges.From $331, select.

Sydney.$334 per passenger.Departing Fri, Feb 27.One-way flight with Air India.Outbound indirect flight with Air India, departing from Kathmandu on Fri, Feb 27, arriving in Sydney.Price includes taxes and charges.From $334, select.

Sydney.$350 per passenger.Departing Tue, Sep 22.One-way flight with Air India.Outbound indirect flight with Air India, departing from Kathmandu on Tue, Sep 22, arriving in Sydney.Price includes taxes and charges.From $350, select.

Find the cheapest month to fly from Kathmandu to Sydney

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

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Kathmandu to Sydney: Alternative routes

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

Kathmandu to Sydney: Flight information

The things to know before you go.

Cheapest flight found	$280
Cheapest month to fly	May

Finding cheap flights from Kathmandu to Sydney: Frequently asked questions

How much are round-trip flights from Kathmandu to Sydney?

The best price we found for a round-trip flight from Kathmandu to Sydney is $568. 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.

Which airlines fly direct from Kathmandu to Sydney?

Currently, there are no airlines that fly direct from Kathmandu to Sydney. But we found flights with one or more stops from $568.

How many flights are there a week from Kathmandu to Sydney?

There are no flights flying from Kathmandu to Sydney, as of January 2026.

When is the cheapest time to fly from Kathmandu to Sydney?

The cheapest month to fly from Kathmandu to Sydney is usually March.

Which upcoming date is cheapest to fly from Kathmandu Airport to Sydney Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kathmandu Airport to Sydney Airport on Monday, March 16, 2026.

Can I get a direct flight from Kathmandu Airport to Sydney Airport?

No airlines currently offer direct flights between Kathmandu Airport and Sydney Airport. Most routes have one or more stops.

How can I find the best flight deal to Sydney?

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 Sydney 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.

When is the best time to book flights to Sydney?

We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Sydney is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly with from Kathmandu Airport to Sydney?

Currently, Thai AirAsia offers the cheapest flight tickets to Sydney.

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

The timezone in Sydney is UTC+11, which is five hours 12 minutes ahead of Kathmandu.
Give yourself enough time to make your KTM to SYD flight. As a rule of thumb, arrive at least two hours before international departures and an hour ahead for domestic flights.
During popular months like September, it's a good idea to get to the airport earlier than usual. Plan to arrive two hours before domestic departures and four hours ahead of international flights whenever you're traveling during peak periods in general.
We make it easy to book a flight with a stopover. To see all your options for tickets from Tribhuvan International Airport to Sydney (Kingsford Smith) Airport, deselect 'Direct flights only.' Then, choose a flight offering a stop long enough to tour the city of your choice. Top stopovers between KTM and SYD include:
- Suvarnabhumi Airport
- Hong Kong International Airport
- Indira Gandhi International Airport

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

Right now, $280 is the lowest price we've found for a one-way Tribhuvan International Airport to Sydney (Kingsford Smith) Airport flight. The best price for a return plane ticket is $568. Keep in mind that fares could change due to availability at the time of booking.
It's a good idea to book as early as possible if you want to get cheap tickets from KTM to SYD. That's because flight prices are based on demand, which tends to increase closer to departure.
If you can be flexible with your travel dates, use the 'Whole month' tool. It'll show you the lowest price across every month when looking for a flight from Tribhuvan International Airport to Sydney (Kingsford Smith) Airport.
Snapping up cheap flights from KTM to SYD couldn't be easier with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch as soon as a new discounted fare appears.
Lock in the perfect flight for you by using the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Tribhuvan International Airport to Sydney (Kingsford Smith) Airport, use the 'Sort by' function. You can also filter results by airline, arrival and departure times, and journey duration.

Handy information about Tribhuvan International Airport (KTM)

Central Kathmandu to Tribhuvan International Airport is approximately 3 miles. Depending on traffic, it'll take you about 15 minutes to get there if you're catching a cab, ride-sharing or driving.
Get your trip off to a stress-free start by staying near KTM. Whether you've booked an early flight from Tribhuvan International Airport to Sydney (Kingsford Smith) Airport or just don't want to be rushed, these stays are the answer:

Arriving at Sydney (Kingsford Smith) Airport (SYD)

Reserve a hotel close to SYD if you're on a late Tribhuvan International Airport to Sydney (Kingsford Smith) Airport flight. Select one of these options and avoid the hassle of a long transfer:
Begin your adventure by picking up a Sydney (Kingsford Smith) Airport rental car. Grab a set of wheels from simba car hire, Bargain Car Rentals or Yes Drive and explore beyond Sydney's main sights.
Reserving your vehicle from Sydney (Kingsford Smith) Airport around two weeks ahead can help you secure the lowest rate.

Getting from Sydney (Kingsford Smith) Airport (SYD) to central Sydney

From Sydney (Kingsford Smith) Airport, Sydney is approximately 11 miles away. It takes around 20 minutes to drive to the center.
It takes roughly 25 minutes if you're traveling by public transport.

When to fly to Sydney (Kingsford Smith) Airport (SYD)

April is the most popular month for flights from Tribhuvan International Airport to Sydney (Kingsford Smith) Airport. To avoid the crowds, travel to Sydney in April.
The warmest month in Sydney is January, with temperatures ranging between 63ºF and 90ºF. Book your flights from Tribhuvan International Airport to Sydney (Kingsford Smith) Airport in this month if you enjoy this type of weather.
If you like traveling in cooler conditions, look for a cheap ticket from KTM to SYD in July. Temperatures average between 41ºF and 66ºF then.

Explore more of Australia

You've seen Sydney, now it's time to discover other parts of Australia. Travel about 150 miles south-west to Canberra to tick off its must-visit sights. From Australian War Memorial to National Gallery of Australia and Parliament House, there's plenty to keep you busy.
Newcastle is another essential stop in Australia and is around 75 miles north-east of Sydney. No trip is complete without a visit to Newcastle Beach, Nobbys Beach and Merewether Beach.