Cheap flights from Sydney to Kathmandu from $520

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Kathmandu departing on 29/8. 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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Find the cheapest flights from Sydney to Kathmandu

Cheap return flights

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21:50 - 14:00SYD-KTM
21h 25m2 stops
 Logo
15:00 - 20:35KTM-SYD
24h 20m2 stops
$1,050
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Tue, 18 Nov - Mon, 8 Dec
 Logo
09:15 - 14:05SYD-KTM
33h 05m3 stops
 Logo
13:25 - 20:00KTM-SYD
26h 20m3 stops
$1,057
Find Deal
Fri, 5 Sep - Fri, 12 Sep
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21:25 - 14:45SYD-KTM
22h 35m2 stops
 Logo
07:35 - 08:20KTM-SYD
43h 30m3 stops
$1,061
Find Deal
Sun, 12 Oct - Sun, 19 Oct
Malaysia Airlines Logo
10:25 - 21:45SYD-KTM
16h 35m1 stop
Malaysia Airlines Logo
22:45 - 20:35KTM-SYD
16h 35m1 stop
$1,087Malaysia Airlines
Find Deal
Sun, 15 Feb - Sun, 15 Mar
Cathay Pacific Logo
10:10 - 21:45SYD-KTM
15h 50m1 stop
Cathay Pacific Logo
23:00 - 10:50KTM-SYD
31h 35m1 stop
$1,102Cathay Pacific
Find Deal
Thu, 4 Sep - Sun, 7 Sep
Cathay Pacific Logo
07:40 - 21:45SYD-KTM
18h 20m1 stop
Cathay Pacific Logo
23:00 - 08:40KTM-SYD
29h 25m1 stop
$1,108Cathay Pacific
Find Deal
Thu, 4 Sep - Sun, 7 Sep
China Southern Logo
10:15 - 11:50SYD-KTM
29h 50m1 stop
China Southern Logo
12:50 - 08:25KTM-SYD
15h 20m1 stop
$1,111China Southern
Find Deal
Tue, 2 Sep - Wed, 10 Sep
China Eastern Logo
11:20 - 15:35SYD-KTM
32h 30m2 stops
China Eastern Logo
16:35 - 07:40KTM-SYD
34h 50m2 stops
$1,122China Eastern
Find Deal
Sat, 6 Sep - Thu, 18 Sep
China Eastern Logo
11:20 - 15:35SYD-KTM
32h 30m3 stops
China Eastern Logo
16:35 - 08:00KTM-SYD
35h 10m2 stops
$1,127China Eastern
Find Deal
Sat, 6 Sep - Fri, 19 Sep
China Southern Logo
10:15 - 11:50SYD-KTM
29h 50m1 stop
China Southern Logo
12:50 - 19:25KTM-SYD
26h 20m1 stop
$1,176China Southern
Find Deal
Thu, 4 Sep - Wed, 17 Sep

SriLankan Airlines flights from Sydney to Kathmandu

Our best SriLankan Airlines deals on Sydney to Kathmandu flight tickets
SriLankan Airlines
4 Nov
SYD17:20Sydney Kingsford Smith
24h 35m
1 stop
KTM12:40Kathmandu Tribhuvan
17 Dec
KTM13:40Kathmandu Tribhuvan
36h 30m
2 stops
SYD07:25Sydney Kingsford Smith
SriLankan Airlines
7 Sept
SYD16:10Sydney Kingsford Smith
24h 20m
1 stop
KTM12:15Kathmandu Tribhuvan
22 Sept
KTM13:15Kathmandu Tribhuvan
21h 25m
1 stop
SYD14:55Sydney Kingsford Smith
SriLankan Airlines
16 Nov
SYD17:20Sydney Kingsford Smith
23h 45m
1 stop
KTM11:50Kathmandu Tribhuvan
25 Dec
KTM12:50Kathmandu Tribhuvan
21h 45m
1 stop
SYD15:50Sydney Kingsford Smith

Cathay Pacific flights from Sydney to Kathmandu

Our best Cathay Pacific deals on Sydney to Kathmandu flight tickets
Cathay Pacific
4 Sept
SYD10:10Sydney Kingsford Smith
15h 50m
1 stop
KTM21:45Kathmandu Tribhuvan
7 Sept
KTM23:00Kathmandu Tribhuvan
31h 35m
1 stop
SYD10:50Sydney Kingsford Smith
Cathay Pacific
4 Sept
SYD07:40Sydney Kingsford Smith
18h 20m
1 stop
KTM21:45Kathmandu Tribhuvan
7 Sept
KTM23:00Kathmandu Tribhuvan
29h 25m
1 stop
SYD08:40Sydney Kingsford Smith
Cathay Pacific
5 Sept
SYD07:40Sydney Kingsford Smith
18h 20m
1 stop
KTM21:45Kathmandu Tribhuvan
8 Sept
KTM23:00Kathmandu Tribhuvan
26h 55m
1 stop
SYD06:10Sydney Kingsford Smith

momondo Fare Finder

 
Customise your flight search to find flights from Sydney to Kathmandu 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 24 August 2025.
Use the filters below to find and compare flights from Sydney to Kathmandu that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Tue 18/11

21:50-14:00

2 stops21h 25m

Kathmandu Tribhuvan

Mon 8/12

15:00-20:35

2 stops24h 20m

$1,050

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Fri 5/9

09:15-14:05

3 stops33h 05m

Kathmandu Tribhuvan

Fri 12/9

13:25-20:00

3 stops26h 20m

$1,057

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Sun 12/10

21:25-14:45

2 stops22h 35m

Kathmandu Tribhuvan

Sun 19/10

07:35-08:20

3 stops43h 30m

$1,061

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Sun 15/2

10:25-21:45

1 stop16h 35m

Kathmandu Tribhuvan

Sun 15/3

22:45-20:35

1 stop16h 35m

$1,087

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Thu 4/9

10:10-21:45

1 stop15h 50m

Kathmandu Tribhuvan

Sun 7/9

23:00-10:50

1 stop31h 35m

$1,102

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Thu 4/9

07:40-21:45

1 stop18h 20m

Kathmandu Tribhuvan

Sun 7/9

23:00-08:40

1 stop29h 25m

$1,108

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Tue 2/9

10:15-11:50

1 stop29h 50m

Kathmandu Tribhuvan

Wed 10/9

12:50-08:25

1 stop15h 20m

$1,111

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Sat 6/9

11:20-15:35

2 stops32h 30m

Kathmandu Tribhuvan

Thu 18/9

16:35-07:40

2 stops34h 50m

$1,122

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Sat 6/9

11:20-15:35

3 stops32h 30m

Kathmandu Tribhuvan

Fri 19/9

16:35-08:00

2 stops35h 10m

$1,127

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Thu 4/9

10:15-11:50

1 stop29h 50m

Kathmandu Tribhuvan

Wed 17/9

12:50-19:25

1 stop26h 20m

$1,176

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 Kathmandu from

How to get the cheapest flight ticket from Sydney to Kathmandu

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 Kathmandu?

The cheapest month to fly to Kathmandu from Sydney is in August. Flight prices, which tend to average around $1,136, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of August, then book flights to Kathmandu from Sydney during May instead. Flights to Kathmandu in May, while not as cheap as those in August, still average around $1,193.

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

The cheapest day to depart from Sydney to Kathmandu is on a Monday when prices can be found for as low as $1,427. Flights from Sydney to Kathmandu on a Saturday will generally be more expensive and average around $1,474. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Flying to Kathmandu from Sydney in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,427 when looking at flights departing in the morning. Flights to Kathmandu are more costly in the afternoon, with an average ticket price of $1,484. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Kathmandu from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Kathmandu for around $1,378 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kathmandu from Sydney for as low as $1,293 on momondo.

How have Sydney to Kathmandu flight prices changed over time?

As of August 2025, prices for Sydney to Kathmandu flights are approximately 8% cheaper when compared to flights at the same time last year.

When to book flights from Sydney to Kathmandu

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

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

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

Fastest flight time

17h 40m

Direct flights

Mon

Airports in Kathmandu

1 airport
The fastest flight from Sydney to Kathmandu takes 17h 40m
Direct flights go from Sydney to Kathmandu on Monday. There are no airlines offering direct flights..
There is 1 airport near Kathmandu: Kathmandu Tribhuvan (KTM)
  • How far is Sydney Kingsford Smith to Kathmandu Tribhuvan by plane?

    There are 9739.1 km between Sydney Kingsford Smith and Kathmandu Tribhuvan. A reasonable flight in good conditions will take 15h 10m.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Sydney Kingsford Smith Airport to Kathmandu Tribhuvan Airport.

  • What documentation or ID do you need to fly to Kathmandu Tribhuvan Airport?

    The travel and health documents required for your trip to Kathmandu Tribhuvan 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 Kathmandu Tribhuvan 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 Sydney to Kathmandu?

Best airlines flying from Sydney to Kathmandu

Compare and see reviews for airlines that fly from Sydney to Kathmandu with momondo
Airline
Rating
Free cancellation
Price
SriLankan AirlinesPriceFrom $909Free cancellationRating
6.8
75 reviews
Search SriLankan Airlines flights
Malaysia AirlinesPriceFrom $911Free cancellationRating
7.4
274 reviews
Search Malaysia Airlines flights
China SouthernPriceFrom $921Free cancellationRating
7.5
109 reviews
Search China Southern flights
Air IndiaPriceFrom $937Free cancellationRating
5.5
2,929 reviews
Search Air India flights
China EasternPriceFrom $1,052Free cancellationRating
7.2
161 reviews
Search China Eastern flights
Singapore AirlinesPriceFrom $1,052Free cancellationRating
8.1
1,352 reviews
Search Singapore Airlines flights
Cathay PacificPriceFrom $1,153Free cancellationRating
7.6
974 reviews
Search Cathay Pacific flights
Batik AirPriceFrom $1,159Free cancellationRating
5.9
73 reviews
Search Batik Air flights
Thai AirwaysPriceFrom $1,197Free cancellationRating
7.8
344 reviews
Search Thai Airways flights
Sichuan AirlinesPriceFrom $1,217Free cancellationRating
8.0
16 reviews
Search Sichuan Airlines flights

Travelling to a place near Kathmandu?

Book flights to Kathmandu if you plan to visit one of these locations
Nagarkot

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Sydney to Kathmandu . Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Sydney to Kathmandu 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 Sydney to Kathmandu?

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 Kathmandu from Sydney.

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

Of course. momondo tracks the price of Sydney to Kathmandu flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Fri 29/8
Fri 5/9

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