Cheap flights from Kathmandu to Sydney from $674

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kathmandu to Sydney departing on 28/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
17:10 - 09:15KTM-SYD
34h 50m2 stops
Multiple Airlines Logo
13:35 - 14:10SYD-KTM
29h 50m3 stops
$1,228Multiple Airlines
Find Deal
Wed, 31 Dec - Tue, 3 Mar
Multiple Airlines Logo
21:05 - 09:15KTM-SYD
54h 55m2 stops
Multiple Airlines Logo
11:25 - 22:30SYD-KTM
16h 20m1 stop
$1,231Multiple Airlines
Find Deal
Tue, 3 Mar - Wed, 18 Mar
China Southern Logo
12:30 - 20:20KTM-SYD
26h 35m1 stop
China Southern Logo
22:00 - 11:30SYD-KTM
18h 45m1 stop
$1,233China Southern
Find Deal
Wed, 4 Mar - Sat, 7 Mar
Multiple Airlines Logo
13:30 - 18:50KTM-SYD
24h 05m2 stops
Multiple Airlines Logo
13:35 - 08:40SYD-KTM
24h 20m2 stops
$1,236Multiple Airlines
Find Deal
Wed, 24 Dec - Tue, 3 Mar
Multiple Airlines Logo
15:10 - 09:15KTM-SYD
36h 50m2 stops
Multiple Airlines Logo
08:10 - 22:30SYD-KTM
19h 35m1 stop
$1,237Multiple Airlines
Find Deal
Mon, 22 Dec - Tue, 3 Feb
Multiple Airlines Logo
07:35 - 14:55KTM-SYD
26h 05m3 stops
Multiple Airlines Logo
13:35 - 14:10SYD-KTM
29h 50m3 stops
$1,239Multiple Airlines
Find Deal
Wed, 24 Dec - Tue, 3 Mar
Malaysia Airlines Logo
13:00 - 10:00KTM-SYD
16h 45m1 stop
Malaysia Airlines Logo
08:25 - 21:45SYD-KTM
17h 35m1 stop
$1,252Malaysia Airlines
Find Deal
Mon, 1 Jun - Mon, 31 Aug
Multiple Airlines Logo
17:10 - 09:15KTM-SYD
34h 50m2 stops
Multiple Airlines Logo
10:25 - 21:30SYD-KTM
16h 20m1 stop
$1,255Multiple Airlines
Find Deal
Wed, 31 Dec - Tue, 3 Mar
Multiple Airlines Logo
21:25 - 20:35KTM-SYD
17h 55m1 stop
Multiple Airlines Logo
13:00 - 14:00SYD-KTM
29h 15m2 stops
$1,257Multiple Airlines
Find Deal
Sun, 14 Dec - Thu, 24 Sep
Multiple Airlines Logo
13:40 - 12:20KTM-SYD
41h 25m3 stops
Multiple Airlines Logo
20:05 - 00:15SYD-KTM
33h 25m3 stops
$1,263Multiple Airlines
Find Deal
Sat, 28 Feb - Wed, 18 Mar

China Southern flights from Kathmandu to Sydney

Our best China Southern deals on Kathmandu to Sydney flight tickets
China Southern
4 Mar
KTM12:30Kathmandu Tribhuvan
26h 35m
1 stop
SYD20:20Sydney Kingsford Smith
7 Mar
SYD22:00Sydney Kingsford Smith
18h 45m
1 stop
KTM11:30Kathmandu Tribhuvan
China Southern
10 Mar
KTM23:30Kathmandu Tribhuvan
15h 35m
1 stop
SYD20:20Sydney Kingsford Smith
16 Apr
SYD10:05Sydney Kingsford Smith
30h 00m
1 stop
KTM11:50Kathmandu Tribhuvan
China Southern
18 Dec
KTM23:30Kathmandu Tribhuvan
32h 50m
1 stop
SYD13:35Sydney Kingsford Smith
31 Jan
SYD15:15Sydney Kingsford Smith
25h 30m
1 stop
KTM11:30Kathmandu Tribhuvan

Malaysia Airlines flights from Kathmandu to Sydney

Our best Malaysia Airlines deals on Kathmandu to Sydney flight tickets
Malaysia Airlines
1 June
KTM13:00Kathmandu Tribhuvan
16h 45m
1 stop
SYD10:00Sydney Kingsford Smith
31 Aug
SYD08:25Sydney Kingsford Smith
17h 35m
1 stop
KTM21:45Kathmandu Tribhuvan
Malaysia Airlines
1 June
KTM22:45Kathmandu Tribhuvan
27h 05m
2 stops
SYD06:05Sydney Kingsford Smith
31 Aug
SYD08:25Sydney Kingsford Smith
17h 35m
1 stop
KTM21:45Kathmandu Tribhuvan
Malaysia Airlines
23 Feb
KTM22:30Kathmandu Tribhuvan
28h 10m
1 stop
SYD07:55Sydney Kingsford Smith
23 Mar
SYD22:15Sydney Kingsford Smith
28h 30m
1 stop
KTM21:30Kathmandu Tribhuvan

momondo Fare Finder

 
Customise your flight search to find flights from Kathmandu to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 78,305 searches. Data last updated 3 December 2025.
Use the filters below to find and compare flights from Kathmandu to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Wed 31/12

17:10-09:15

2 stops34h 50m

Sydney Kingsford Smith

Tue 3/3

13:35-14:10

3 stops29h 50m

$1,228

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Tue 3/3

21:05-09:15

2 stops54h 55m

Sydney Kingsford Smith

Wed 18/3

11:25-22:30

1 stop16h 20m

$1,231

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Wed 4/3

12:30-20:20

1 stop26h 35m

Sydney Kingsford Smith

Sat 7/3

22:00-11:30

1 stop18h 45m

$1,232

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Wed 24/12

13:30-18:50

2 stops24h 05m

Sydney Kingsford Smith

Tue 3/3

13:35-08:40

2 stops24h 20m

$1,236

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Mon 22/12

15:10-09:15

2 stops36h 50m

Sydney Kingsford Smith

Tue 3/2

08:10-22:30

1 stop19h 35m

$1,237

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Wed 24/12

07:35-14:55

3 stops26h 05m

Sydney Kingsford Smith

Tue 3/3

13:35-14:10

3 stops29h 50m

$1,239

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Mon 1/6

13:00-10:00

1 stop16h 45m

Sydney Kingsford Smith

Mon 31/8

08:25-21:45

1 stop17h 35m

$1,252

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Wed 31/12

17:10-09:15

2 stops34h 50m

Sydney Kingsford Smith

Tue 3/3

10:25-21:30

1 stop16h 20m

$1,255

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Sun 14/12

21:25-20:35

1 stop17h 55m

Sydney Kingsford Smith

Thu 24/9

13:00-14:00

2 stops29h 15m

$1,257

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Sat 28/2

13:40-12:20

3 stops41h 25m

Sydney Kingsford Smith

Wed 18/3

20:05-00:15

3 stops33h 25m

$1,263

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Sydney from

How to get the cheapest flight ticket from Kathmandu to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Sydney?

The month of June is, on average, the cheapest month to fly to Sydney from Kathmandu, with most prices found around $1,349. If you aren’t able to travel to Sydney during the month of June, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $1,398.

What is the cheapest day to depart on your flight to Sydney?

Our data shows that Tuesday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $1,546. The most expensive day to fly to Sydney is Monday, with ticket prices averaging around $1,599.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is in the morning. momondo users have found flights departing from Kathmandu to Sydney in the morning for as low as $1,524. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,610 on average. Flights to Sydney from Kathmandu in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Kathmandu Tribhuvan to Sydney Kingsford Smith flight route?

Fly from Kathmandu Tribhuvan to Sydney Kingsford Smith for the best Kathmandu Tribhuvan - Sydney Kingsford Smith flight prices

How far in advance should I book a flight to Sydney?

You are more likely to see cheaper flights to Sydney from Kathmandu when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,608 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Kathmandu for as low as $1,412 on momondo.

What cabin class options are available on Kathmandu Tribhuvan to Sydney Kingsford Smith flights?

There is only 1 cabin class available to choose from on Kathmandu Tribhuvan to Sydney Kingsford Smith flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Kathmandu to Sydney flights?

You could potentially save up to 8% on your flight if you consider stops on a Kathmandu to Sydney flight.

How have Kathmandu to Sydney flight prices changed over time?

As of December 2025, prices for Kathmandu to Sydney flights are approximately 22% cheaper when compared to flights at the same time last year.

When to book flights from Kathmandu to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Kathmandu to Sydney according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Kathmandu to Sydney (KTM to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kathmandu to Sydney

Fastest flight time

13h 30m

Direct flights

None
The fastest flight from Kathmandu to Sydney takes 13h 30m
There are no direct flights from Kathmandu to Sydney. There are no popular flight routes from Kathmandu to Sydney.
  • How far is Kathmandu Tribhuvan to Sydney Kingsford Smith by plane?

    There are 9739.1 km between Kathmandu Tribhuvan and Sydney Kingsford Smith. Typically, this will take 15h 35m by plane in normal conditions.

  • When did momondo last update prices for flights from Kathmandu Tribhuvan Airport to Sydney Kingsford Smith Airport?

    Prices for flights from Kathmandu Tribhuvan Airport to Sydney Kingsford Smith Airport are updated daily.

  • How many operators does momondo search for flights from Kathmandu Tribhuvan Airport to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from Kathmandu Tribhuvan Airport to Sydney Kingsford Smith Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Kathmandu Tribhuvan Airport to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Kathmandu to Sydney?

Best airlines flying from Kathmandu to Sydney

Compare and see reviews for airlines that fly from Kathmandu to Sydney with momondo
Airline
Rating
Free cancellation
Price
China EasternPriceFrom $836Free cancellationRating
7.2
178 reviews
Search China Eastern flights
China SouthernPriceFrom $1,167Free cancellationRating
7.5
120 reviews
Search China Southern flights
Sichuan AirlinesPriceFrom $1,186Free cancellationRating
0.0
0 reviews
Search Sichuan Airlines flights
Air IndiaPriceFrom $1,241Free cancellationRating
5.5
2,950 reviews
Search Air India flights
Singapore AirlinesPriceFrom $1,261Free cancellationRating
8.1
1,411 reviews
Search Singapore Airlines flights
Cathay PacificPriceFrom $1,285Free cancellationRating
7.6
1,082 reviews
Search Cathay Pacific flights
Malaysia AirlinesPriceFrom $1,307Free cancellationRating
7.3
281 reviews
Search Malaysia Airlines flights
Thai AirwaysPriceFrom $1,323Free cancellationRating
7.8
363 reviews
Search Thai Airways flights

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Terrigal
Katoomba
Penrith
Lithgow
Leura
Manly
Bondi Beach
Coogee
Cronulla
Randwick
Charlestown
Newport
Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Kathmandu to Sydney?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Sydney from Kathmandu.

Can I find flights from Kathmandu to Sydney with flexible booking policies on momondo?

Flights from Kathmandu to Sydney with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Kathmandu to Sydney?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sydney from Kathmandu.

I’m not ready to book a flight from Kathmandu to Sydney right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Kathmandu to Sydney now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sydney and let you know when they change.

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