Cheap flights from Kathmandu to Sydney from $744

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 11/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

Air India Logo
21:00 - 18:00KTM-SYD
16h 45m1 stop
Air India Logo
20:30 - 20:05SYD-KTM
28h 50m1 stop
$1,334Air India
Find Deal
Thu, 11 Sep - Fri, 17 Oct
 Logo
11:45 - 14:15KTM-SYD
22h 15m1 stop
 Logo
17:35 - 14:00SYD-KTM
49h 40m2 stops
$1,342
Find Deal
Sat, 30 Aug - Sat, 29 Nov
Air India Logo
06:30 - 18:50KTM-SYD
31h 05m1 stop
Air India Logo
20:20 - 16:00SYD-KTM
24h 55m1 stop
$1,345Air India
Find Deal
Sat, 15 Nov - Sun, 15 Feb
 Logo
09:05 - 11:35KTM-SYD
46h 15m3 stops
 Logo
10:45 - 20:35SYD-KTM
15h 05m1 stop
$1,346
Find Deal
Mon, 15 Sep - Sat, 15 Nov
 Logo
17:05 - 19:25KTM-SYD
22h 05m1 stop
 Logo
10:15 - 13:50SYD-KTM
31h 50m2 stops
$1,351
Find Deal
Mon, 1 Sep - Wed, 24 Sep
China Eastern Logo
16:35 - 10:00KTM-SYD
36h 10m2 stops
China Eastern Logo
13:30 - 15:35SYD-KTM
55h 20m3 stops
$1,370China Eastern
Find Deal
Wed, 22 Oct - Mon, 29 Dec
Thai Airways Logo
23:30 - 20:30KTM-SYD
16h 45m1 stop
Thai Airways Logo
11:00 - 12:25SYD-KTM
30h 40m1 stop
$1,390Thai Airways
Find Deal
Thu, 4 Sep - Mon, 13 Oct
China Eastern Logo
16:35 - 09:00KTM-SYD
36h 10m3 stops
China Eastern Logo
12:00 - 15:35SYD-KTM
32h 50m2 stops
$1,462China Eastern
Find Deal
Sat, 30 Aug - Sat, 29 Nov
China Southern Logo
12:50 - 19:25KTM-SYD
26h 20m1 stop
China Southern Logo
21:45 - 11:50SYD-KTM
18h 20m1 stop
$1,476China Southern
Find Deal
Tue, 2 Sep - Fri, 5 Sep
Thai Airways Logo
00:35 - 20:30KTM-SYD
39h 40m1 stop
Thai Airways Logo
15:50 - 12:25SYD-KTM
25h 50m1 stop
$1,485Thai Airways
Find Deal
Sat, 27 Sep - Sun, 19 Oct

Thai Airways flights from Kathmandu to Sydney

Our best Thai Airways deals on Kathmandu to Sydney flight tickets
Thai Airways
4 Sept
KTM23:30Kathmandu Tribhuvan
16h 45m
1 stop
SYD20:30Sydney Kingsford Smith
13 Oct
SYD11:00Sydney Kingsford Smith
30h 40m
1 stop
KTM12:25Kathmandu Tribhuvan
Thai Airways
21 Aug
KTM13:30Kathmandu Tribhuvan
16h 35m
1 stop
SYD10:20Sydney Kingsford Smith
15 Oct
SYD11:00Sydney Kingsford Smith
30h 40m
1 stop
KTM12:25Kathmandu Tribhuvan
Thai Airways
21 Aug
KTM13:30Kathmandu Tribhuvan
16h 35m
1 stop
SYD10:20Sydney Kingsford Smith
1 Sept
SYD10:00Sydney Kingsford Smith
16h 45m
1 stop
KTM22:30Kathmandu Tribhuvan

Air India flights from Kathmandu to Sydney

Our best Air India deals on Kathmandu to Sydney flight tickets
Air India
11 Sept
KTM21:00Kathmandu Tribhuvan
16h 45m
1 stop
SYD18:00Sydney Kingsford Smith
17 Oct
SYD20:30Sydney Kingsford Smith
28h 50m
1 stop
KTM20:05Kathmandu Tribhuvan
Air India
15 Nov
KTM06:30Kathmandu Tribhuvan
31h 05m
1 stop
SYD18:50Sydney Kingsford Smith
15 Feb
SYD20:20Sydney Kingsford Smith
24h 55m
1 stop
KTM16:00Kathmandu Tribhuvan
Air India
2 Oct
KTM21:00Kathmandu Tribhuvan
16h 45m
1 stop
SYD18:00Sydney Kingsford Smith
9 Oct
SYD20:30Sydney Kingsford Smith
31h 45m
1 stop
KTM23:00Kathmandu 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 20 August 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

Thu 11/9

21:00-18:00

1 stop16h 45m

Sydney Kingsford Smith

Fri 17/10

20:30-20:05

1 stop28h 50m

$1,334

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Sat 30/8

11:45-14:15

1 stop22h 15m

Sydney Kingsford Smith

Sat 29/11

17:35-14:00

2 stops49h 40m

$1,342

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Sat 15/11

06:30-18:50

1 stop31h 05m

Sydney Kingsford Smith

Sun 15/2

20:20-16:00

1 stop24h 55m

$1,345

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Mon 15/9

09:05-11:35

3 stops46h 15m

Sydney Kingsford Smith

Sat 15/11

10:45-20:35

1 stop15h 05m

$1,346

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Mon 1/9

17:05-19:25

1 stop22h 05m

Sydney Kingsford Smith

Wed 24/9

10:15-13:50

2 stops31h 50m

$1,351

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Wed 22/10

16:35-10:00

2 stops36h 10m

Sydney Kingsford Smith

Mon 29/12

13:30-15:35

3 stops55h 20m

$1,370

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Thu 4/9

23:30-20:30

1 stop16h 45m

Sydney Kingsford Smith

Mon 13/10

11:00-12:25

1 stop30h 40m

$1,390

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Sat 30/8

16:35-09:00

3 stops36h 10m

Sydney Kingsford Smith

Sat 29/11

12:00-15:35

2 stops32h 50m

$1,462

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Tue 2/9

12:50-19:25

1 stop26h 20m

Sydney Kingsford Smith

Fri 5/9

21:45-11:50

1 stop18h 20m

$1,476

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Sat 27/9

00:35-20:30

1 stop39h 40m

Sydney Kingsford Smith

Sun 19/10

15:50-12:25

1 stop25h 50m

$1,485

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 typical price of a round-trip flight between Kathmandu and Sydney?

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 $1,376. 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 $1,422.

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 $1,573. The most expensive day to fly to Sydney is Monday, with ticket prices averaging around $1,627.

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 $1,551. 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 $1,638 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 $1,655 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 $1,430 on momondo.

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

There are 1 cabin classes 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 3% 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 August 2025, prices for Kathmandu to Sydney flights are approximately 19% 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

6h 25m

Direct flights

Wed, Thu and Sat

Airports in Sydney

1 airport
The fastest flight from Kathmandu to Sydney takes 6h 25m
Direct flights go from Kathmandu to Sydney on Wednesday, Thursday and Saturday. There are no airlines offering direct flights..
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)
  • 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 16h 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 $961Free cancellationRating
7.2
160 reviews
Search China Eastern flights
Sichuan AirlinesPriceFrom $1,131Free cancellationRating
7.8
15 reviews
Search Sichuan Airlines flights
China SouthernPriceFrom $1,191Free cancellationRating
7.5
108 reviews
Search China Southern flights
Air IndiaPriceFrom $1,272Free cancellationRating
5.5
2,929 reviews
Search Air India flights
Singapore AirlinesPriceFrom $1,292Free cancellationRating
8.1
1,347 reviews
Search Singapore Airlines flights
Cathay PacificPriceFrom $1,307Free cancellationRating
7.6
972 reviews
Search Cathay Pacific flights
Thai AirwaysPriceFrom $1,343Free cancellationRating
7.8
344 reviews
Search Thai Airways flights
Malaysia AirlinesPriceFrom $1,355Free cancellationRating
7.4
274 reviews
Search Malaysia Airlines 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
Manly
Leura
Bondi Beach
Coogee
Randwick
Cronulla
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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