Cheap flights from Sydney to Kathmandu from $581

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 15/1. 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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SriLankan Airlines Logo
17:20 - 11:50SYD-KTM
23h 45m1 stop
SriLankan Airlines Logo
13:40 - 06:35KTM-SYD
35h 40m2 stops
$1,082SriLankan Airlines
Find Deal
Sun, 1 Feb - Wed, 4 Mar
Multiple Airlines Logo
14:20 - 14:10SYD-KTM
29h 05m3 stops
Multiple Airlines Logo
14:30 - 18:50KTM-SYD
23h 05m3 stops
$1,087Multiple Airlines
Find Deal
Sun, 1 Feb - Wed, 4 Mar
Multiple Airlines Logo
21:50 - 08:40SYD-KTM
16h 05m1 stop
Multiple Airlines Logo
15:00 - 08:05KTM-SYD
35h 50m2 stops
$1,091Multiple Airlines
Find Deal
Tue, 11 Nov - Mon, 15 Dec
Multiple Airlines Logo
10:45 - 14:10SYD-KTM
32h 40m2 stops
Multiple Airlines Logo
11:20 - 20:35KTM-SYD
28h 00m2 stops
$1,093Multiple Airlines
Find Deal
Sun, 9 Nov - Sun, 16 Nov
China Southern Logo
15:15 - 11:30SYD-KTM
25h 30m1 stop
China Southern Logo
12:30 - 09:25KTM-SYD
15h 40m1 stop
$1,111China Southern
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Sun, 1 Feb - Wed, 4 Mar
China Eastern Logo
13:30 - 16:00SYD-KTM
31h 45m2 stops
China Eastern Logo
17:00 - 11:00KTM-SYD
36h 45m3 stops
$1,116China Eastern
Find Deal
Thu, 15 Jan - Sat, 14 Feb
China Southern Logo
15:15 - 22:30SYD-KTM
36h 30m1 stop
China Southern Logo
12:30 - 20:20KTM-SYD
26h 35m1 stop
$1,124China Southern
Find Deal
Sun, 1 Feb - Wed, 4 Mar
Sichuan Airlines Logo
21:25 - 11:20SYD-KTM
19h 10m1 stop
Sichuan Airlines Logo
12:20 - 14:40KTM-SYD
21h 05m1 stop
$1,137Sichuan Airlines
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Sun, 9 Nov - Fri, 21 Nov
Singapore Airlines Logo
16:10 - 21:50SYD-KTM
34h 55m1 stop
Singapore Airlines Logo
23:00 - 07:40KTM-SYD
27h 25m1 stop
$1,145Singapore Airlines
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Sat, 31 Jan - Sat, 14 Feb
China Eastern Logo
12:00 - 16:00SYD-KTM
33h 15m2 stops
China Eastern Logo
17:00 - 06:30KTM-SYD
32h 15m2 stops
$1,174China Eastern
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Thu, 15 Jan - Sun, 15 Feb

China Southern flights from Sydney to Kathmandu

Our best China Southern deals on Sydney to Kathmandu flight tickets
China Southern
1 Feb
SYD15:15Sydney Kingsford Smith
25h 30m
1 stop
KTM11:30Kathmandu Tribhuvan
4 Mar
KTM12:30Kathmandu Tribhuvan
15h 40m
1 stop
SYD09:25Sydney Kingsford Smith
China Southern
1 Feb
SYD15:15Sydney Kingsford Smith
36h 30m
1 stop
KTM22:30Kathmandu Tribhuvan
4 Mar
KTM12:30Kathmandu Tribhuvan
26h 35m
1 stop
SYD20:20Sydney Kingsford Smith

China Eastern flights from Sydney to Kathmandu

Our best China Eastern deals on Sydney to Kathmandu flight tickets
China Eastern
15 Jan
SYD13:30Sydney Kingsford Smith
31h 45m
2 stops
KTM16:00Kathmandu Tribhuvan
14 Feb
KTM17:00Kathmandu Tribhuvan
36h 45m
3 stops
SYD11:00Sydney Kingsford Smith
China Eastern
15 Jan
SYD12:00Sydney Kingsford Smith
33h 15m
2 stops
KTM16:00Kathmandu Tribhuvan
15 Feb
KTM17:00Kathmandu Tribhuvan
32h 15m
2 stops
SYD06:30Sydney Kingsford Smith
China Eastern
27 Nov
SYD13:30Sydney Kingsford Smith
31h 45m
2 stops
KTM16:00Kathmandu Tribhuvan
15 Dec
KTM17:00Kathmandu Tribhuvan
36h 45m
3 stops
SYD11:00Sydney 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 5 November 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

Sun 1/2

17:20-11:50

1 stop23h 45m

Kathmandu Tribhuvan

Wed 4/3

13:40-06:35

2 stops35h 40m

$1,082

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Sun 1/2

14:20-14:10

3 stops29h 05m

Kathmandu Tribhuvan

Wed 4/3

14:30-18:50

3 stops23h 05m

$1,087

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Tue 11/11

21:50-08:40

1 stop16h 05m

Kathmandu Tribhuvan

Mon 15/12

15:00-08:05

2 stops35h 50m

$1,091

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Sun 9/11

10:45-14:10

2 stops32h 40m

Kathmandu Tribhuvan

Sun 16/11

11:20-20:35

2 stops28h 00m

$1,093

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Sun 1/2

15:15-11:30

1 stop25h 30m

Kathmandu Tribhuvan

Wed 4/3

12:30-09:25

1 stop15h 40m

$1,111

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Thu 15/1

13:30-16:00

2 stops31h 45m

Kathmandu Tribhuvan

Sat 14/2

17:00-11:00

3 stops36h 45m

$1,116

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Sun 1/2

15:15-22:30

1 stop36h 30m

Kathmandu Tribhuvan

Wed 4/3

12:30-20:20

1 stop26h 35m

$1,124

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Sun 9/11

21:25-11:20

1 stop19h 10m

Kathmandu Tribhuvan

Fri 21/11

12:20-14:40

1 stop21h 05m

$1,137

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Sat 31/1

16:10-21:50

1 stop34h 55m

Kathmandu Tribhuvan

Sat 14/2

23:00-07:40

1 stop27h 25m

$1,145

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Thu 15/1

12:00-16:00

2 stops33h 15m

Kathmandu Tribhuvan

Sun 15/2

17:00-06:30

2 stops32h 15m

$1,174

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

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 $1,125, 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 $1,187.

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 $1,426. Flights from Sydney to Kathmandu on a Saturday will generally be more expensive and average around $1,472. 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 $1,425 when looking at flights departing in the morning. Flights to Kathmandu are more costly in the afternoon, with an average ticket price of $1,482. 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 $1,370 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 $1,299 on momondo.

How have Sydney to Kathmandu flight prices changed over time?

As of November 2025, prices for Sydney to Kathmandu flights are approximately 6% 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

16h 50m

Direct flights

Sat

Airports in Kathmandu

1 airport
The fastest flight from Sydney to Kathmandu takes 16h 50m
Direct flights go from Sydney to Kathmandu on Saturday. 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 05m.

  • 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
Air ChinaPriceFrom $702Free cancellationRating
7.1
122 reviews
Search Air China flights
Batik AirPriceFrom $810Free cancellationRating
5.8
74 reviews
Search Batik Air flights
Malaysia AirlinesPriceFrom $890Free cancellationRating
7.3
278 reviews
Search Malaysia Airlines flights
China SouthernPriceFrom $890Free cancellationRating
7.5
119 reviews
Search China Southern flights
SriLankan AirlinesPriceFrom $892Free cancellationRating
6.9
76 reviews
Search SriLankan Airlines flights
Air IndiaPriceFrom $934Free cancellationRating
5.5
2,941 reviews
Search Air India flights
Singapore AirlinesPriceFrom $1,040Free cancellationRating
8.1
1,391 reviews
Search Singapore Airlines flights
China EasternPriceFrom $1,058Free cancellationRating
7.2
174 reviews
Search China Eastern flights
Cathay PacificPriceFrom $1,141Free cancellationRating
7.6
1,053 reviews
Search Cathay Pacific flights
Sichuan AirlinesPriceFrom $1,196Free cancellationRating
0.0
0 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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