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Cheap flights from Sydney to Kathmandu from $553

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/10. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — KTM
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Sydney Kingsford Smith to Kathmandu Tribhuvan are usually found in August or May, booked 84 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from Sydney to Kathmandu

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Kathmandu (KTM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 September 2025.

Round-trip from

$1,115

One-way from

$561

Popular in

December

Cheapest in

August

Average price

$1,478
13/11-1/12
  • 13/11-1/12
  • 4 total stops
  • 57h 20m total
  • Sydney to Kathmandu
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13/10
  • 13/10
  • 3 total stops
  • 29h 15m total
  • Sydney to Kathmandu
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($355 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease ($73 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Find flight deals from Sydney to Kathmandu

Cheapest flights from Sydney to Kathmandu
Explore the most affordable flight options available from Sydney to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.

Thu 13/1120:05SYD - KTM
2 stops30h 55mMultiple Airlines
Mon 1/1200:25KTM - SYD
2 stops26h 25mMultiple Airlines
Deal found 15/9$1,115
Fri 17/1022:15SYD - KTM
1 stop18h 50mChina Southern
Tue 25/1112:30KTM - SYD
1 stop26h 35mChina Southern
Deal found 17/9$1,117
Fri 17/1022:15SYD - KTM
1 stop18h 50mChina Southern
Tue 18/1112:30KTM - SYD
1 stop26h 35mChina Southern
Deal found 17/9$1,118
Fri 17/1010:15SYD - KTM
2 stops28h 50mMultiple Airlines
Mon 17/1114:15KTM - SYD
2 stops25h 05mMultiple Airlines
Deal found 17/9$1,120
Thu 6/1114:30SYD - KTM
2 stops26h 45mMultiple Airlines
Thu 4/1222:45KTM - SYD
2 stops27h 25mMultiple Airlines
Deal found 17/9$1,123
Tue 14/1022:15SYD - KTM
3 stops30h 45mMultiple Airlines
Tue 21/1015:00KTM - SYD
3 stops47h 55mMultiple Airlines
Deal found 16/9$1,124
Thu 6/1111:25SYD - KTM
1 stop16h 45mChina Southern
Thu 4/1212:30KTM - SYD
1 stop15h 40mChina Southern
Deal found 17/9$1,126
Sat 18/1013:50SYD - KTM
3 stops29h 15mMultiple Airlines
Tue 18/1114:15KTM - SYD
2 stops25h 05mMultiple Airlines
Deal found 16/9$1,129
Mon 24/1120:05SYD - KTM
3 stops30h 55mMultiple Airlines
Sun 14/1200:25KTM - SYD
2 stops26h 25mMultiple Airlines
Deal found 15/9$1,132
Wed 15/1013:50SYD - KTM
3 stops29h 25mMultiple Airlines
Mon 15/1215:00KTM - SYD
2 stops24h 20mMultiple Airlines
Deal found 16/9$1,133
Wed 15/1022:15SYD - KTM
1 stop18h 50mChina Southern
Wed 22/1012:50KTM - SYD
1 stop26h 20mChina Southern
Deal found 16/9$1,136

Cheapflights 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, Cheapflights users made 647,157 searches. Data last updated 18 September 2025.
Use the filters below to find and compare flights from Sydney to Kathmandu that are best for you.

Fly from

Sydney

Fly to

Kathmandu

Route

Depart

Return

Price

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Thu 6/11

11:30-12:00

2 stops29h 45m

Kathmandu Tribhuvan

Thu 4/12

22:45-07:25

2 stops27h 25m

$1,120

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Sun 8/2

11:30-12:00

2 stops29h 45m

Kathmandu Tribhuvan

Tue 10/3

22:45-07:25

2 stops27h 25m

$1,123

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Tue 3/2

22:15-12:00

1 stop19h 00m

Kathmandu Tribhuvan

Sun 15/3

22:45-20:35

1 stop16h 35m

$1,127

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Sat 21/2

15:55-21:45

2 stops35h 05m

Kathmandu Tribhuvan

Sun 22/3

22:45-09:20

3 stops29h 20m

$1,129

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Tue 4/11

10:30-12:00

3 stops30h 45m

Kathmandu Tribhuvan

Thu 4/12

22:45-09:30

3 stops29h 30m

$1,148

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Tue 3/2

09:00-12:00

3 stops32h 15m

Kathmandu Tribhuvan

Fri 27/2

22:45-11:00

3 stops31h 00m

$1,151

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Sat 31/1

22:15-21:45

1 stop28h 45m

Kathmandu Tribhuvan

Thu 5/3

22:45-20:35

1 stop16h 35m

$1,174

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Tue 10/3

11:30-12:00

2 stops29h 45m

Kathmandu Tribhuvan

Tue 28/4

22:45-05:10

2 stops26h 10m

$1,205

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Sun 19/10

13:50-14:00

3 stops29h 25m

$553

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Wed 15/10

13:50-14:00

3 stops29h 25m

$565

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 18 results
1
2

Best time to book a flight from Sydney to Kathmandu

Have a flexible travel schedule? Discover the best time to fly to Kathmandu from Sydney with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sydney to Kathmandu

How far ahead should I book a flight from Sydney to Kathmandu?

Use this chart to determine the optimal time to book a return flight from Sydney to Kathmandu. Price data was last updated on 12 September 2025.

The price you pay for your flight from Sydney to Kathmandu may vary depending on when you book. For the best chance of a lower fare, look to book 84 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Sydney to Kathmandu?

Currently, July is the cheapest month in which you can book a flight from Sydney to Kathmandu (average of $706). Flying from Sydney to Kathmandu in December is currently the most expensive (average of $1,220). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SYD to KTM?

Find hourly flight availability from Sydney to Kathmandu. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 September 2025.

One of the essential ways to save on airfare from Sydney to Kathmandu is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 4% on airfare.

What is the cheapest day to fly from Sydney to Kathmandu?

Use this chart to determine the cheapest time to fly return from Sydney to Kathmandu. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Sydney to Kathmandu flight should consider departing on Monday at midday when fares are most often at their lowest. Tuesday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost for a return flight from Sydney to Kathmandu?

Reviews of airlines servicing Kathmandu

Get insights into the airlines that provide service to Kathmandu. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kathmandu. Reviews last updated 18 September 2025.
Read reviews from past customers who have flown with Singapore Airlines, Thai Airways, andChina Southern from Sydney to Kathmandu. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,367 reviews
Check prices

Crew

8.6

Food

7.7

Boarding

8.2

Comfort

8.0

Entertainment

8.0

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,July 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Singapore Airlines
8.1
Very Good
1,367 reviews
Singapore Airlines
8.1
Very Good
1,367 reviews
Check prices

Crew

8.6

Food

7.7

Boarding

8.2

Comfort

8.0

Entertainment

8.0

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,July 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Thai Airways
7.8
Good
350 reviews
Singapore Airlines
8.1
Very Good
1,367 reviews
Check prices

Crew

8.6

Food

7.7

Boarding

8.2

Comfort

8.0

Entertainment

8.0

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,July 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
China Southern
7.5
Good
110 reviews
Singapore Airlines
8.1
Very Good
1,367 reviews
Check prices

Crew

8.6

Food

7.7

Boarding

8.2

Comfort

8.0

Entertainment

8.0

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,July 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Malaysia Airlines
7.3
Good
278 reviews
Singapore Airlines
8.1
Very Good
1,367 reviews
Check prices

Crew

8.6

Food

7.7

Boarding

8.2

Comfort

8.0

Entertainment

8.0

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,July 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Air India
5.5
Fair
2,932 reviews
Singapore Airlines
8.1
Very Good
1,367 reviews
Check prices

Crew

8.6

Food

7.7

Boarding

8.2

Comfort

8.0

Entertainment

8.0

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,July 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered

Related info for your journey

Find useful and relevant information for your journey from Sydney to Kathmandu. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Sydney to Kathmandu?

    For as low as $1,127, Malaysia Airlines can have you in Kathmandu from Sydney in 19h. Sydney and Kathmandu are separated by a distance of 9737 km.

  • What are the cheapest airlines flying from Sydney to Kathmandu round-trip?

    Our cheapest airline available from Sydney to Kathmandu is China Southern. Our recent data shows that you can find tickets from as low as $867 on this airline. Additional options worth looking into are SriLankan Airlines and Malaysia Airlines, starting at $870 and $878 round-trip. These flights start at 35% lower than the current average price 3 months from now.

  • Where are the most common stopover locations when flying from Sydney to Kathmandu?

    Of the flights from Sydney to Kathmandu that have stopovers, most of them stop in Kuala Lumpur. Guangzhou sees the second most layovers for non-direct flights flying from Sydney to Kathmandu. Bangkok follows Guangzhou in terms of the most frequent stopover location on Sydney to Kathmandu flights.

  • What are some popular things to do or see while on a stopover in Kuala Lumpur?

    Most Kuala Lumpur visitors opt to spend their time experiencing Petronas Towers, Berjaya Times Square, and National Mosque of Malaysia. Petronas Towers, Berjaya Times Square and National Mosque of Malaysia are located about 46.6 km, 44.9 km, and 44.8 km, respectively from Kuala Lumpur Intl if you are interested in checking them out. Travellers in need of a car in Kuala Lumpur can hire one for about $51 per day.

  • What are points of interest worth seeing during a stopover in Bangkok?

    Pratunam, Thailand Cultural Center, and Siam Square are the most popular attractions in Bangkok if you're in need of something to do during your stopover. Pratunam, Thailand Cultural Center and Siam Square are located about 23.8 km, 21.1 km, and 24.2 km, respectively from Bangkok Suvarnabhumi if you are interested in checking them out. Travellers can hire a car at Bangkok Suvarnabhumi for an average daily rate of $30 to make sightseeing during their stopover a little easier.

  • Where are the least popular stopover locations for Sydney to Kathmandu flights?

    Sydney to Kathmandu flights that have stopovers will least frequently stop in Dubai. Dubai is followed by Nanjing in terms of the least popular stopover location on flights from Sydney to Kathmandu. Nanjing is followed by Jinan in terms of the least popular stopover location for Sydney to Kathmandu flights.

  • Can I find deals for flights from Sydney to Kathmandu that include hotel bookings?

    Yes. In addition to deals on Sydney to Kathmandu flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sydney to Kathmandu?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Kathmandu.

  • Can I find deals for business class flights from Sydney to Kathmandu?

    Yes. Cheapflights offers flight deals from Sydney to Kathmandu by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sydney to Kathmandu?

    Currently, July is the cheapest month in which you can book a flight from Sydney to Kathmandu (average of $706). Flying from Sydney to Kathmandu in December is currently the most expensive (average of $1,220). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Kathmandu?

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

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Fly from Sydney to Kathmandu on these airlines

Choose from the following airlines for your flight from Sydney to Kathmandu. Flights are based on user searches made on Cheapflights and were last updated on 18 September 2025.
Malaysia Airlines flights from Sydney Kingsford Smith to Kathmandu Tribhuvan
China Southern flights from Sydney Kingsford Smith to Kathmandu Tribhuvan
Singapore Airlines flights from Sydney Kingsford Smith to Kathmandu Tribhuvan

Top 10 airlines flying from Sydney to Kathmandu

Discover the top 10 airlines that operate flights from Sydney to Kathmandu. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 18 September 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest$867Average$1,309FlexibilityNo cancel feeOn-time69%
Search China Southern flights
SriLankan AirlinesCheapest$870Average$1,090FlexibilityNo cancel feeOn-time68%
Search SriLankan Airlines flights
Malaysia AirlinesCheapest$878Average$1,324FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Air IndiaCheapest$925Average$1,327FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Singapore AirlinesCheapest$1,028Average$1,309FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
China EasternCheapest$1,030Average$1,188FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Cathay PacificCheapest$1,120Average$1,434FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Batik AirCheapest$1,129Average$2,256FlexibilityNo cancel feeOn-timeN/A
Search Batik Air flights
Thai AirwaysCheapest$1,169Average$1,505FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
Sichuan AirlinesCheapest$1,188Average$1,611FlexibilityNo cancel feeOn-time63%
Search Sichuan Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Sydney to Kathmandu?

Cheapflights helps you search for flights from Sydney to Kathmandu via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Sydney to Kathmandu?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Sydney to Kathmandu for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Sydney to Kathmandu with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Sydney to Kathmandu flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Sydney to Kathmandu become cheaper?

Of course! You can now track prices for flights from Sydney to Kathmandu and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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