Cheap flights from Sydney to Kathmandu from $583

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 23/2. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — KTM
19 Dec — 26 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Sydney Kingsford Smith to Kathmandu Tribhuvan are usually found in August or May, booked 87 days in advance, depart on a Monday or Tuesday and return on a Tuesday

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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 19 November 2025.

Fri 21/1120:05SYD - KTM
2 stops29h 45mMultiple Airlines
Tue 25/1121:25KTM - SYD
2 stops33h 40mMultiple Airlines
Deal found 17/11$1,088
Fri 28/1120:05SYD - KTM
2 stops29h 45mMultiple Airlines
Sat 6/1221:25KTM - SYD
2 stops33h 40mMultiple Airlines
Deal found 18/11$1,091
Mon 1/1220:05SYD - KTM
2 stops24h 20mMultiple Airlines
Sun 7/1222:05KTM - SYD
2 stops33h 00mMultiple Airlines
Deal found 17/11$1,099
Wed 3/1207:15SYD - KTM
2 stops18h 35mMultiple Airlines
Wed 10/1213:45KTM - SYD
3 stops23h 50mMultiple Airlines
Deal found 17/11$1,100
Sat 22/1113:35SYD - KTM
3 stops36h 15mMultiple Airlines
Sat 13/1222:20KTM - SYD
3 stops39h 15mMultiple Airlines
Deal found 16/11$1,116
Sat 22/1113:35SYD - KTM
3 stops36h 15mMultiple Airlines
Fri 28/1113:45KTM - SYD
3 stops23h 50mMultiple Airlines
Deal found 16/11$1,125
Tue 25/1113:35SYD - KTM
2 stops24h 20mMultiple Airlines
Tue 2/1222:20KTM - SYD
2 stops32h 45mMultiple Airlines
Deal found 19/11$1,128
Tue 18/1107:15SYD - KTM
3 stops35h 30mMultiple Airlines
Wed 10/1214:45KTM - SYD
3 stops40h 20mMultiple Airlines
Deal found 16/11$1,130
Tue 25/1113:35SYD - KTM
3 stops36h 15mMultiple Airlines
Sun 30/1113:45KTM - SYD
3 stops41h 20mMultiple Airlines
Deal found 17/11$1,131
Tue 18/1111:15SYD - KTM
3 stops38h 35mMultiple Airlines
Sun 7/1213:45KTM - SYD
2 stops25h 35mMultiple Airlines
Deal found 16/11$1,137

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 19 November 2025.

Round-trip from

$1,057

One-way from

$583

Popular in

December

Cheapest in

August

Average price

$1,393
29/1-1/3
  • 29/1-1/3
  • 5 total stops
  • 64h 15m total
  • Sydney to Kathmandu
23/2
  • 23/2
  • 2 total stops
  • 27h 45m total
  • Sydney to Kathmandu
Highest demand for flights based on searches. 13% potential increase in price ($330 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($70 potential savings vs. average return price).
Average for round-trip flights in November 2025

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 19 November 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

Sat 31/1

14:30-21:30

2 stops36h 15m

Kathmandu Tribhuvan

Fri 27/2

22:30-07:25

2 stops27h 40m

$1,207

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Sun 3/5

10:15-12:00

2 stops30h 00m

Kathmandu Tribhuvan

Sun 14/6

22:45-06:45

2 stops27h 45m

$1,207

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Mon 9/3

15:15-21:30

1 stop35h 30m

Kathmandu Tribhuvan

Thu 19/3

22:55-08:35

2 stops28h 25m

$1,211

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Mon 2/2

10:05-21:30

2 stops40h 40m

Kathmandu Tribhuvan

Fri 13/3

22:55-12:00

1 stop31h 50m

$1,231

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Tue 10/3

09:30-12:00

3 stops31h 45m

Kathmandu Tribhuvan

Tue 28/4

22:45-05:10

2 stops26h 10m

$1,231

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Tue 17/2

06:00-21:30

2 stops44h 45m

Kathmandu Tribhuvan

Mon 2/3

22:55-07:15

1 stop27h 05m

$1,248

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Thu 5/2

06:30-21:30

2 stops44h 15m

Kathmandu Tribhuvan

Tue 10/3

22:55-20:50

1 stop16h 40m

$1,248

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Mon 9/2

11:45-21:30

2 stops39h 00m

Kathmandu Tribhuvan

Wed 11/3

22:55-20:50

1 stop16h 40m

$1,248

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Mon 19/1

22:20-21:30

1 stop28h 25m

Kathmandu Tribhuvan

Thu 26/2

22:55-12:00

1 stop31h 50m

$1,253

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Tue 20/1

11:05-21:30

1 stop15h 40m

Kathmandu Tribhuvan

Thu 26/2

22:55-12:00

1 stop31h 50m

$1,253

Flights are sorted by cheapest return flights first.

Deals found on 15/11

Showing 1-10 of 22 results
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2
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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 14 November 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 87 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, August is the cheapest month in which you can book a flight from Sydney to Kathmandu (average of $833). Flying from Sydney to Kathmandu in December is currently the most expensive (average of $1,264). 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 19 November 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 3% 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 19 November 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.

Boarding

8.3

Comfort

8.0

Crew

8.6

Food

7.7

Overall

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

Boarding

8.3

Comfort

8.0

Crew

8.6

Food

7.7

Overall

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

Boarding

8.3

Comfort

8.0

Crew

8.6

Food

7.7

Overall

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

Boarding

8.3

Comfort

8.0

Crew

8.6

Food

7.7

Overall

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

Boarding

8.3

Comfort

8.0

Crew

8.6

Food

7.7

Overall

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

Boarding

8.3

Comfort

8.0

Crew

8.6

Food

7.7

Overall

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

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

    Our cheapest airline available from Sydney to Kathmandu is Air China. Our recent data shows that you can find tickets from as low as $703 on this airline. Additional options worth looking into are Batik Air and Malaysia Airlines, starting at $811 and $891 round-trip. These flights start at 48% lower than the current average price 3 months from now.

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

  • 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 $52 per day.

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

    Pratunam, Siam Square, and Thailand Cultural Center are the most popular attractions in Bangkok if you're in need of something to do during your stopover. Pratunam, Siam Square and Thailand Cultural Center are located about 23.8 km, 24.2 km, and 21.1 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 $35 to make sightseeing during their stopover a little easier.

  • Where are the least popular stopover locations 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, August is the cheapest month in which you can book a flight from Sydney to Kathmandu (average of $833). Flying from Sydney to Kathmandu in December is currently the most expensive (average of $1,264). 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 19 November 2025.

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 19 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$703Average$2,018FlexibilityNo cancel feeOn-time67%
Search Air China flights
Batik AirCheapest$811Average$1,967FlexibilityNo cancel feeOn-timeN/A
Search Batik Air flights
Malaysia AirlinesCheapest$891Average$1,305FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
China SouthernCheapest$891Average$1,305FlexibilityNo cancel feeOn-time69%
Search China Southern flights
SriLankan AirlinesCheapest$893Average$1,118FlexibilityNo cancel feeOn-time68%
Search SriLankan Airlines flights
Air IndiaCheapest$935Average$1,361FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Singapore AirlinesCheapest$1,041Average$1,353FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
China EasternCheapest$1,060Average$1,209FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Cathay PacificCheapest$1,142Average$1,459FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Sichuan AirlinesCheapest$1,198Average$1,606FlexibilityNo cancel feeOn-time63%
Search Sichuan Airlines flights

Fly with Cheapflights

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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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