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$447+ Cheap flights from Kathmandu (KTM) to Sydney (SYD)

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 12/17. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — SYD
Jan 8 — Jan 151
Thu 1/8
Thu 1/15
1 adult, Economy
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Cheapflights Tip: The best prices from Kathmandu Tribhuvan to Sydney Kingsford Smith are usually found in June or May, booked 33 days in advance, depart on a Monday or Tuesday and return on a Friday

Cheap flight deals from Kathmandu to Sydney

Cheapest flights from Kathmandu to Sydney
Explore the most affordable flight options available from Kathmandu to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 9, 2025.

This Mytrip deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2810:50 amKTM - SYD
2 stops28h 30mMultiple Airlines
Sat 3/213:00 pmSYD - KTM
2 stops28h 20mMultiple Airlines
Deal found 12/8$811
This Kiwi.com deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:25 pmKTM - SYD
1 stop17h 55mMultiple Airlines
Tue 2/39:50 pmSYD - KTM
2 stops21h 30mMultiple Airlines
Deal found 12/7$813
This Mytrip deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/243:10 pmKTM - SYD
2 stops35h 40mMultiple Airlines
Wed 2/118:05 pmSYD - KTM
3 stops33h 25mMultiple Airlines
Deal found 12/7$815
This Mytrip deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/282:45 pmKTM - SYD
3 stops37h 15mMultiple Airlines
Sat 2/78:10 amSYD - KTM
1 stop19h 35mMultiple Airlines
Deal found 12/8$816
This Kiwi.com deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/219:25 pmKTM - SYD
1 stop17h 55mMultiple Airlines
Sun 2/810:45 amSYD - KTM
2 stops28h 20mMultiple Airlines
Deal found 12/7$820
This Kiwi.com deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/229:25 pmKTM - SYD
1 stop17h 55mMultiple Airlines
Sun 2/810:45 amSYD - KTM
2 stops28h 20mMultiple Airlines
Deal found 12/7$827
This Kiwi.com deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/219:25 pmKTM - SYD
1 stop17h 55mMultiple Airlines
Tue 2/39:50 pmSYD - KTM
2 stops21h 30mMultiple Airlines
Deal found 12/7$832
This China Southern deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Southern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2411:30 pmKTM - SYD
1 stop28h 40mChina Southern
Fri 2/63:15 pmSYD - KTM
1 stop36h 30mChina Southern
Deal found 12/7$835
This Kiwi.com deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2310:20 pmKTM - SYD
1 stop17h 00mMultiple Airlines
Mon 2/28:05 pmSYD - KTM
2 stops25h 20mMultiple Airlines
Deal found 12/7$838
This Kiwi.com deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/229:25 pmKTM - SYD
1 stop17h 55mMultiple Airlines
Tue 2/39:50 pmSYD - KTM
2 stops21h 30mMultiple Airlines
Deal found 12/7$840
This Kiwi.com deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/249:25 pmKTM - SYD
1 stop17h 55mMultiple Airlines
Sun 2/810:45 amSYD - KTM
2 stops28h 20mMultiple Airlines
Deal found 12/7$845

Find flight deals from Kathmandu to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Kathmandu (KTM) to Sydney (SYD). 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 December 9, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$811
(Mytrip)

One-way from

$447
(Mytrip)

Popular in

January

Cheapest in

June

Average price

$961
Provider with most accurate pricing for Kathmandu Tribhuvan-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kathmandu Tribhuvan-Sydney Kingsford Smith flights.
Search Deals
From Kathmandu Tribhuvan to Sydney Kingsford Smith
Search Deals
One-way flight from Kathmandu Tribhuvan to Sydney Kingsford Smith
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($143 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize 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, Cheapflights users made 2,558,603 searches. Data last updated December 9, 2025.
Use the filters below to find and compare flights from Kathmandu to Sydney that are best for you.

Fly from

Kathmandu

Fly to

Sydney

Route

Depart

Return

Price

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Sun 12/28

2:45 pm-9:15 am

3 stops37h 15m

Sydney Kingsford Smith

Sat 2/7

8:10 am-10:30 pm

1 stop19h 35m

$816

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Wed 12/24

11:30 pm-9:25 am

1 stop28h 40m

Sydney Kingsford Smith

Fri 2/6

3:15 pm-10:30 pm

1 stop36h 30m

$835

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Thu 12/25

11:30 pm-1:35 pm

1 stop32h 50m

Sydney Kingsford Smith

Sun 2/8

10:00 pm-10:30 pm

1 stop29h 45m

$835

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Fri 12/26

9:25 pm-8:35 pm

1 stop17h 55m

Sydney Kingsford Smith

Mon 2/2

8:05 pm-4:10 pm

2 stops25h 20m

$869

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Sat 12/27

12:30 pm-6:35 am

1 stop36h 50m

Sydney Kingsford Smith

Tue 2/3

3:15 pm-11:30 am

1 stop25h 30m

$883

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Tue 12/23

11:30 pm-9:25 am

1 stop28h 40m

Sydney Kingsford Smith

Wed 1/28

10:00 pm-11:30 am

1 stop18h 45m

$900

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Tue 3/10

11:00 pm-12:20 pm

1 stop32h 05m

Sydney Kingsford Smith

Thu 4/16

1:00 pm-9:45 pm

1 stop37h 00m

$901

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Tue 12/23

2:55 pm-7:15 pm

1 stop23h 05m

Sydney Kingsford Smith

Wed 1/28

8:45 pm-1:55 pm

1 stop22h 25m

$903

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Mon 12/22

12:20 pm-2:40 pm

1 stop21h 05m

Sydney Kingsford Smith

Sat 2/7

8:10 am-10:30 pm

1 stop19h 35m

$908

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Tue 12/23

12:20 pm-2:40 pm

1 stop21h 05m

Sydney Kingsford Smith

Sat 2/7

8:10 am-10:30 pm

1 stop19h 35m

$908

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Showing 1-10 of 19 results
1
2

Compare providers for flights from Kathmandu to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kathmandu to Sydney in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
Trip.comPrice Accuracy2 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
OneTravelPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Kathmandu-Sydney flights, users find the pricing of Gotogate to be most consistent on Cheapflights vs. Gotogate Users can find the same prices on Kathmandu-Sydney flight deals on Cheapflights vs. Gotogate >95% of the time. Price accuracy is based on data collected from Kathmandu-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kathmandu-Sydney flights, Cheapflights users trust Gotogate the most. Gotogate has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kathmandu-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Kathmandu to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Kathmandu with our price prediction graph.
Estimated round-trip 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 Kathmandu to Sydney

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

Use this chart to determine the optimal time to book a round-trip flight from Kathmandu to Sydney. Price data was last updated on December 5, 2025.

The price you pay for your flight from Kathmandu to Sydney may vary depending on when you book. For the best chance of a lower fare, look to book 33 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 Kathmandu to Sydney?

Currently, May is the cheapest month in which you can book a flight from Kathmandu to Sydney (average of $717). Flying from Kathmandu to Sydney in February is currently the most expensive (average of $872). 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 KTM to SYD?

Find hourly flight availability from Kathmandu to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 9, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 4% on flights from Kathmandu to Sydney by exploring options for tickets in the evening.

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated December 9, 2025.
See what other customers who have flown with Thai Airways, Cathay Pacific, and China Southern from Kathmandu to Sydney have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Thai Airways
7.8
Good
366 reviews

Boarding

7.9

Entertainment

6.9

Crew

8.3

Food

7.3

Comfort

7.5

Overall

7.8

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.
Thai Airways
7.8
Good
366 reviews
Thai Airways
7.8
Good
366 reviews

Boarding

7.9

Entertainment

6.9

Crew

8.3

Food

7.3

Comfort

7.5

Overall

7.8

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.
Cathay Pacific
7.6
Good
1,090 reviews
Thai Airways
7.8
Good
366 reviews

Boarding

7.9

Entertainment

6.9

Crew

8.3

Food

7.3

Comfort

7.5

Overall

7.8

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.
China Southern
7.5
Good
122 reviews
Thai Airways
7.8
Good
366 reviews

Boarding

7.9

Entertainment

6.9

Crew

8.3

Food

7.3

Comfort

7.5

Overall

7.8

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.
Malaysia Airlines
7.3
Good
281 reviews
Thai Airways
7.8
Good
366 reviews

Boarding

7.9

Entertainment

6.9

Crew

8.3

Food

7.3

Comfort

7.5

Overall

7.8

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.
Air India
5.5
Fair
2,947 reviews
Thai Airways
7.8
Good
366 reviews

Boarding

7.9

Entertainment

6.9

Crew

8.3

Food

7.3

Comfort

7.5

Overall

7.8

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

Related info for your journey

Find useful and relevant information for your journey from Kathmandu to Sydney. 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 Kathmandu to Sydney?

    There are many flights that can get you from Kathmandu to Sydney in 28h 40m. Fly via China Southern to get the fastest option. There are 6050 mi between Kathmandu and Sydney.

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

    Cheapflights users have booked flights from Kathmandu to Sydney round-trip from $496. Other airlines that can offer you cheap pricing are China Eastern, from $804, and China Southern, from $815. Users have found that Sichuan Airlines is 52% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Kathmandu to Sydney one-way?

    To fly one-way, consider booking your trip with Sichuan Airlines, which is currently one of the cheapest options available, starting at $394. China Southern flights start at $401 while deals on Batik Air start at $430 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kathmandu to Sydney 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 Kathmandu to Sydney?

    Currently, May is the cheapest month in which you can book a flight from Kathmandu to Sydney (average of $717). Flying from Kathmandu to Sydney in February is currently the most expensive (average of $872). 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

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Manly
Coogee

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Top 8 airlines flying from Kathmandu to Sydney

Discover the top 8 airlines that operate flights from Kathmandu to Sydney. 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 2,558,603 searches. Data last updated December 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sichuan AirlinesCheapest$731Average$945FlexibilityNo cancel feeOn-time63%
China EasternCheapest$804Average$919FlexibilityNo cancel feeOn-time62%
China SouthernCheapest$815Average$959FlexibilityNo cancel feeOn-time69%
Air IndiaCheapest$834Average$920FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$880Average$1,124FlexibilityNo cancel feeOn-time72%
Malaysia AirlinesCheapest$903Average$1,075FlexibilityNo cancel feeOn-time67%
Thai AirwaysCheapest$928Average$1,049FlexibilityNo cancel feeOn-time77%
Singapore AirlinesCheapest$992Average$1,170FlexibilityNo cancel feeOn-time81%

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