Cheap flights from Kathmandu to Sydney from $725

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 20/12. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — SYD
28 Nov — 5 Dec1
1 adult
1 adult, Economy, 0 bags

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 Tuesday or Wednesday and return on a Monday

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 29 October 2025.

Round-trip from

$1,331

One-way from

$725

Popular in

January

Cheapest in

June

Average price

$1,792
12/11-14/11
  • 12/11-14/11
  • 5 total stops
  • 57h 40m total
  • Kathmandu to Sydney
China Southern
  • China Southern
  • 20/12
  • 1 total stop
  • 25h 50m total
  • Kathmandu to Sydney
Highest demand for flights based on searches. 13% potential increase in price ($382 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease ($73 potential savings vs. average return price).
Average for round-trip flights in October 2025

Find flight deals from Kathmandu to Sydney

Enter your travel dates to find the best prices.

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 29 October 2025.

Wed 12/1100:25KTM - SYD
2 stops27h 35mMultiple Airlines
Fri 14/1114:20SYD - KTM
3 stops30h 05mMultiple Airlines
Deal found 28/10$1,331
Fri 31/1011:20KTM - SYD
3 stops40h 40mMultiple Airlines
Fri 28/1107:15SYD - KTM
3 stops35h 30mMultiple Airlines
Deal found 28/10$1,334
Wed 12/1111:10KTM - SYD
2 stops22h 30mMultiple Airlines
Fri 20/212:10SYD - KTM
1 stop29h 05mMultiple Airlines
Deal found 28/10$1,335
Thu 13/1117:00KTM - SYD
2 stops39h 20mChina Eastern
Wed 26/1112:00SYD - KTM
2 stops32h 15mChina Eastern
Deal found 27/10$1,337
Tue 11/1110:50KTM - SYD
3 stops28h 30mMultiple Airlines
Tue 9/1217:35SYD - KTM
3 stops47h 30mMultiple Airlines
Deal found 28/10$1,341
Tue 28/1022:20KTM - SYD
1 stop17h 00mMultiple Airlines
Tue 4/1121:50SYD - KTM
3 stops28h 45mMultiple Airlines
Deal found 27/10$1,346
Fri 21/1117:00KTM - SYD
2 stops35h 45mChina Eastern
Sat 21/212:00SYD - KTM
2 stops33h 15mChina Eastern
Deal found 27/10$1,352
Wed 17/1215:00KTM - SYD
3 stops37h 00mMultiple Airlines
Fri 9/117:35SYD - KTM
2 stops34h 10mMultiple Airlines
Deal found 27/10$1,361
Fri 12/1212:20KTM - SYD
1 stop21h 05mMultiple Airlines
Fri 12/608:25SYD - KTM
1 stop17h 35mMultiple Airlines
Deal found 27/10$1,364
Wed 5/1117:10KTM - SYD
3 stops34h 50mMultiple Airlines
Tue 2/1221:50SYD - KTM
1 stop19h 25mMultiple Airlines
Deal found 28/10$1,369

Cheapflights Fare Finder

 
Customise 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 647,157 searches. Data last updated 29 October 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

Fri 31/10

11:20-09:15

3 stops40h 40m

Sydney Kingsford Smith

Fri 28/11

07:15-13:30

3 stops35h 30m

$1,334

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Wed 17/12

15:00-09:15

3 stops37h 00m

Sydney Kingsford Smith

Fri 9/1

17:35-22:30

2 stops34h 10m

$1,361

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Sun 30/11

10:50-20:35

2 stops28h 30m

Sydney Kingsford Smith

Wed 31/12

13:30-16:00

2 stops31h 45m

$1,382

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Fri 19/12

14:30-20:35

3 stops24h 50m

Sydney Kingsford Smith

Sat 10/1

17:35-11:50

3 stops47h 30m

$1,382

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Fri 14/11

14:30-18:50

3 stops23h 05m

Sydney Kingsford Smith

Thu 20/11

20:45-09:05

1 stop17h 35m

$1,395

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Mon 10/11

17:00-10:00

2 stops35h 45m

Sydney Kingsford Smith

Sat 6/12

13:30-16:00

3 stops31h 45m

$1,402

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Thu 13/11

10:15-09:15

1 stop17h 45m

Sydney Kingsford Smith

Fri 14/11

20:05-15:10

2 stops24h 20m

$1,405

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Mon 15/12

17:00-10:00

3 stops35h 45m

Sydney Kingsford Smith

Mon 5/1

15:10-16:00

2 stops30h 05m

$1,408

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Mon 1/12

22:45-06:05

2 stops26h 05m

Sydney Kingsford Smith

Sun 1/3

10:25-21:45

1 stop16h 35m

$1,413

KathmanduSydney

KTM - SYD

KTMSYD

Kathmandu Tribhuvan

Thu 13/11

00:25-08:05

2 stops26h 25m

$734

Flights are sorted by cheapest return flights first.

Deals found on 28/10

Showing 1-10 of 20 results
1
2

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 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 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 return flight from Kathmandu to Sydney. Price data was last updated on 24 October 2025.

Booking 48 days in advance of your planned departure date is, on average, the best time to get cheap flights from Kathmandu to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 $1,073). Flying from Kathmandu to Sydney in February is currently the most expensive (average of $1,323). 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 29 October 2025.

One of the essential ways to save on airfare from Kathmandu to Sydney is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 5% on airfare.

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

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

Travellers seeking maximum savings on their Kathmandu to Sydney flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Friday afternoons 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 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 29 October 2025.
Check out reviews from past customers who have flown with Thai Airways, Cathay Pacific, andChina Southern from Kathmandu to Sydney to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

7.8

Comfort

7.6

Crew

8.3

Entertainment

6.9

Food

7.3

Overall

7.8

Reviews

1 / 18
10.0
Excellent

Joe,June 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.

Boarding

7.8

Comfort

7.6

Crew

8.3

Entertainment

6.9

Food

7.3

Overall

7.8

Reviews

1 / 18
10.0
Excellent

Joe,June 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.

Boarding

7.8

Comfort

7.6

Crew

8.3

Entertainment

6.9

Food

7.3

Overall

7.8

Reviews

1 / 18
10.0
Excellent

Joe,June 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.

Boarding

7.8

Comfort

7.6

Crew

8.3

Entertainment

6.9

Food

7.3

Overall

7.8

Reviews

1 / 18
10.0
Excellent

Joe,June 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.

Boarding

7.8

Comfort

7.6

Crew

8.3

Entertainment

6.9

Food

7.3

Overall

7.8

Reviews

1 / 18
10.0
Excellent

Joe,June 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.

Boarding

7.8

Comfort

7.6

Crew

8.3

Entertainment

6.9

Food

7.3

Overall

7.8

Reviews

1 / 18
10.0
Excellent

Joe,June 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.
  • What are the cheapest airlines flying from Kathmandu to Sydney round-trip?

    Cheapflights users have booked flights from Kathmandu to Sydney round-trip from $839. Other airlines that can offer you cheap pricing are Sichuan Airlines, from $1,088, and China Southern, from $1,162. You may be able to fly from Kathmandu to Sydney for 48% less than the average price by searching for these airlines.

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

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

    Pratunam, Siam Square, and Thailand Cultural Center are currently the most popular points of interest in Bangkok at the moment. Those on a stopover in Bangkok interested in visiting Pratunam, Siam Square, or Thailand Cultural Center can do so by traveling 23.8 km, 24.2 km, and 21.1 km, respectively from Bangkok Suvarnabhumi. Those looking to explore during their stopover in Bangkok can hire a car from Bangkok Suvarnabhumi for about $34 per day.

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

    Hong Kong Disneyland, Hong Kong Heritage Discovery Centre, and Shatin Baptist Church are currently the most popular points of interest in Hong Kong. Hong Kong Disneyland, Hong Kong Heritage Discovery Centre, and Shatin Baptist Church can be visited by travelling about 12.6 km, 25.8 km, and 29.5 km respectively from Hong Kong Intl.

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

  • 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 holiday 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 $1,073). Flying from Kathmandu to Sydney in February is currently the most expensive (average of $1,323). 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 Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Katoomba
Penrith
Manly
Terrigal
Randwick
Lithgow
Coogee
Leura
Bondi Beach
Cronulla

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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 647,157 searches. Data last updated 29 October 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest$839Average$1,319FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Sichuan AirlinesCheapest$1,088Average$1,510FlexibilityNo cancel feeOn-time63%
Search Sichuan Airlines flights
China SouthernCheapest$1,162Average$1,541FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air IndiaCheapest$1,240Average$1,428FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Singapore AirlinesCheapest$1,274Average$1,665FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Cathay PacificCheapest$1,290Average$1,475FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Malaysia AirlinesCheapest$1,312Average$1,637FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Thai AirwaysCheapest$1,328Average$1,563FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

Fly with Cheapflights

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

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Certainly. Search results for flights to Sydney from Kathmandu shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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