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$487+ 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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — SYD
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
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 71 days in advance, depart on a Monday or Tuesday and return on a Friday

Cheap 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 August 20, 2025.

Round-trip from

$864
(FlightHub)

One-way from

$487
(Kiwi.com)

Popular in

January

Cheapest in

June

Average price

$948
From Kathmandu Tribhuvan to Sydney Kingsford Smith
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One-way flight from Kathmandu Tribhuvan to Sydney Kingsford Smith
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Highest demand for flights based on searches. 12% potential increase in price ($157 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 August 20, 2025.

This FlightHub deal was found by Cheapflights users on 8/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/119:00 pmKTM - SYD
1 stop16h 45mAir India
Fri 10/178:30 pmSYD - KTM
1 stop28h 50mAir India
Deal found 8/17$864
This Mytrip deal was found by Cheapflights users on 8/18. 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.
Mon 9/153:00 pmKTM - SYD
3 stops40h 20mMultiple Airlines
Mon 9/2210:15 amSYD - KTM
3 stops32h 00mMultiple Airlines
Deal found 8/18$877
This Mytrip deal was found by Cheapflights users on 8/19. 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.
Mon 9/156:30 amKTM - SYD
3 stops32h 45mMultiple Airlines
Tue 9/239:15 pmSYD - KTM
2 stops21h 00mMultiple Airlines
Deal found 8/19$879
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 8/279:35 pmKTM - SYD
1 stop17h 30mMultiple Airlines
Sat 9/209:15 pmSYD - KTM
2 stops20h 50mMultiple Airlines
Deal found 8/19$883
This Orbitz deal was found by Cheapflights users on 8/20. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1612:35 amKTM - SYD
1 stop39h 40mMultiple Airlines
Wed 10/2210:15 pmSYD - KTM
1 stop18h 50mMultiple Airlines
Deal found 8/20$885
This FlightHub deal was found by Cheapflights users on 8/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/224:35 pmKTM - SYD
2 stops36h 10mChina Eastern
Mon 12/291:30 pmSYD - KTM
3 stops55h 20mChina Eastern
Deal found 8/18$887
This Mytrip deal was found by Cheapflights users on 8/20. 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.
Mon 10/276:30 amKTM - SYD
3 stops25h 20mMultiple Airlines
Tue 10/288:05 pmSYD - KTM
2 stops29h 15mMultiple Airlines
Deal found 8/20$890
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 8/211:25 pmKTM - SYD
1 stop25h 00mMultiple Airlines
Mon 9/110:15 amSYD - KTM
2 stops31h 50mMultiple Airlines
Deal found 8/20$900
This Mytrip deal was found by Cheapflights users on 8/20. 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 10/812:35 amKTM - SYD
2 stops28h 55mMultiple Airlines
Mon 11/38:05 pmSYD - KTM
3 stops45h 50mMultiple Airlines
Deal found 8/20$902

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 August 20, 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

Thu 9/11

9:00 pm-6:00 pm

1 stop16h 45m

Sydney Kingsford Smith

Fri 10/17

8:30 pm-8:05 pm

1 stop28h 50m

$864

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Mon 9/15

3:00 pm-11:35 am

3 stops40h 20m

Sydney Kingsford Smith

Mon 9/22

10:15 am-2:00 pm

3 stops32h 00m

$877

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Wed 9/17

4:35 pm-8:00 am

2 stops35h 10m

Sydney Kingsford Smith

Wed 10/22

1:00 pm-3:35 pm

2 stops55h 50m

$879

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Mon 9/15

6:30 am-7:30 pm

3 stops32h 45m

Sydney Kingsford Smith

Tue 9/23

9:15 pm-2:00 pm

2 stops21h 00m

$879

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Tue 9/16

12:35 am-8:30 pm

1 stop39h 40m

Sydney Kingsford Smith

Wed 10/22

10:15 pm-11:50 am

1 stop18h 50m

$885

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Wed 10/22

4:35 pm-10:00 am

2 stops36h 10m

Sydney Kingsford Smith

Mon 12/29

1:30 pm-3:35 pm

3 stops55h 20m

$887

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Mon 10/27

6:30 am-1:05 pm

3 stops25h 20m

Sydney Kingsford Smith

Tue 10/28

8:05 pm-8:05 pm

2 stops29h 15m

$890

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Sun 9/14

9:00 pm-7:30 pm

3 stops42h 15m

Sydney Kingsford Smith

Wed 9/24

9:15 am-2:00 pm

2 stops33h 00m

$900

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Wed 10/8

12:35 am-10:45 am

2 stops28h 55m

Sydney Kingsford Smith

Mon 11/3

8:05 pm-12:40 pm

3 stops45h 50m

$902

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Fri 10/3

10:35 am-8:00 pm

1 stop29h 10m

$487

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Showing 1-10 of 21 results
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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 August 8, 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 71 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, February is the cheapest month in which you can book a flight from Kathmandu to Sydney (average of $1,030). Flying from Kathmandu to Sydney in December is currently the most expensive (average of $1,620). 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 August 20, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 5% on flights from Kathmandu to Sydney by exploring options for tickets in the evening.

How much does it cost to fly round-trip from Kathmandu to Sydney?

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 August 20, 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
344 reviews

Entertainment

6.9

Food

7.3

Boarding

7.9

Overall

7.8

Comfort

7.5

Crew

8.3

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
344 reviews
Thai Airways
7.8
Good
344 reviews

Entertainment

6.9

Food

7.3

Boarding

7.9

Overall

7.8

Comfort

7.5

Crew

8.3

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
972 reviews
Thai Airways
7.8
Good
344 reviews

Entertainment

6.9

Food

7.3

Boarding

7.9

Overall

7.8

Comfort

7.5

Crew

8.3

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
108 reviews
Thai Airways
7.8
Good
344 reviews

Entertainment

6.9

Food

7.3

Boarding

7.9

Overall

7.8

Comfort

7.5

Crew

8.3

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
7.4
Good
274 reviews
Thai Airways
7.8
Good
344 reviews

Entertainment

6.9

Food

7.3

Boarding

7.9

Overall

7.8

Comfort

7.5

Crew

8.3

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
2,929 reviews
Thai Airways
7.8
Good
344 reviews

Entertainment

6.9

Food

7.3

Boarding

7.9

Overall

7.8

Comfort

7.5

Crew

8.3

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 16h 45m. Fly via Air India 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 $764. Other airlines that can offer you cheap pricing are China Southern, from $827, and Air India, from $837. Users have found that Sichuan Airlines is 28% cheaper than the other options available to this destination.

  • 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, February is the cheapest month in which you can book a flight from Kathmandu to Sydney (average of $1,030). Flying from Kathmandu to Sydney in December is currently the most expensive (average of $1,620). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 7 airlines flying from Kathmandu to Sydney

Discover the top 7 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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sichuan AirlinesCheapest$764Average$1,032FlexibilityNo cancel feeOn-time63%
China SouthernCheapest$827Average$1,080FlexibilityNo cancel feeOn-time69%
Air IndiaCheapest$837Average$939FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$880Average$997FlexibilityNo cancel feeOn-time72%
Malaysia AirlinesCheapest$903Average$1,091FlexibilityNo cancel feeOn-time67%
Thai AirwaysCheapest$909Average$1,147FlexibilityNo cancel feeOn-time77%
Singapore AirlinesCheapest$970Average$1,157FlexibilityNo cancel feeOn-time81%

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