Cheap flights from Sydney to Kathmandu from $581

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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — KTM
5 Dec — 12 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 30 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 5 November 2025.

Wed 5/1114:20SYD - KTM
2 stops30h 05mMultiple Airlines
Tue 16/1213:40KTM - SYD
3 stops25h 40mMultiple Airlines
Deal found 4/11$1,082
Wed 5/1107:15SYD - KTM
2 stops18h 35mMultiple Airlines
Fri 28/1114:30KTM - SYD
3 stops37h 30mMultiple Airlines
Deal found 4/11$1,084
Wed 5/1121:50SYD - KTM
3 stops28h 45mMultiple Airlines
Mon 22/1215:10KTM - SYD
2 stops35h 40mMultiple Airlines
Deal found 4/11$1,090
Thu 6/1107:15SYD - KTM
2 stops18h 35mMultiple Airlines
Mon 15/1215:00KTM - SYD
2 stops35h 50mMultiple Airlines
Deal found 3/11$1,091
Wed 5/1121:50SYD - KTM
1 stop22h 35mMultiple Airlines
Wed 12/1121:25KTM - SYD
2 stops34h 25mMultiple Airlines
Deal found 3/11$1,093
Wed 12/1120:05SYD - KTM
2 stops24h 20mMultiple Airlines
Mon 8/1215:00KTM - SYD
2 stops35h 50mMultiple Airlines
Deal found 3/11$1,096
Wed 5/1121:25SYD - KTM
1 stop19h 10mSichuan Airlines
Wed 3/1212:20KTM - SYD
1 stop21h 05mSichuan Airlines
Deal found 3/11$1,098
Wed 19/1107:15SYD - KTM
2 stops18h 35mMultiple Airlines
Wed 26/1114:30KTM - SYD
3 stops23h 05mMultiple Airlines
Deal found 3/11$1,099
Mon 10/1114:20SYD - KTM
3 stops31h 05mMultiple Airlines
Mon 15/1213:15KTM - SYD
3 stops26h 05mMultiple Airlines
Deal found 2/11$1,104
Tue 4/1121:50SYD - KTM
1 stop23h 30mMultiple Airlines
Mon 15/1215:00KTM - SYD
2 stops35h 50mMultiple Airlines
Deal found 3/11$1,110

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 5 November 2025.

Round-trip from

$1,082

One-way from

$581

Popular in

December

Cheapest in

August

Average price

$1,420
SriLankan Airlines
  • SriLankan Airlines
  • 1/2-4/3
  • 3 total stops
  • 59h 25m total
  • Sydney to Kathmandu
15/1
  • 15/1
  • 3 total stops
  • 45h 30m total
  • Sydney to Kathmandu
Highest demand for flights based on searches. 14% potential increase in price ($364 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($74 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 5 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

Wed 29/4

22:10-21:45

1 stop27h 50m

Kathmandu Tribhuvan

Mon 18/5

13:00-10:00

1 stop16h 45m

$1,117

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Tue 13/1

12:00-16:00

2 stops33h 15m

Kathmandu Tribhuvan

Sat 7/2

17:00-11:00

3 stops36h 45m

$1,124

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Sat 25/4

22:10-21:45

1 stop27h 50m

Kathmandu Tribhuvan

Mon 18/5

13:00-10:00

1 stop16h 45m

$1,137

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Tue 10/3

08:20-21:50

1 stop18h 45m

Kathmandu Tribhuvan

Tue 28/4

23:00-05:55

1 stop26h 40m

$1,181

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Sun 3/5

10:20-12:00

2 stops29h 55m

Kathmandu Tribhuvan

Sun 14/6

22:45-09:30

3 stops30h 30m

$1,220

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Fri 20/2

15:55-12:00

2 stops25h 20m

Kathmandu Tribhuvan

Fri 27/2

22:15-10:55

3 stops31h 25m

$1,222

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Mon 27/4

10:20-12:00

2 stops29h 55m

Kathmandu Tribhuvan

Fri 15/5

22:45-09:20

3 stops30h 20m

$1,230

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Sun 8/2

13:30-12:00

3 stops27h 45m

Kathmandu Tribhuvan

Sun 8/3

22:30-06:35

2 stops26h 50m

$1,305

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Tue 10/3

08:45-12:00

3 stops32h 30m

Kathmandu Tribhuvan

Tue 28/4

22:45-05:10

2 stops26h 10m

$1,313

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Mon 19/1

11:45-12:00

3 stops29h 30m

Kathmandu Tribhuvan

Thu 19/2

22:30-06:35

2 stops26h 50m

$1,402

Flights are sorted by cheapest return flights first.

Deals found on 1/11

Showing 1-10 of 21 results
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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 31 October 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 30 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 $1,273). 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 5 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 5 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

Overall

8.1

Comfort

8.0

Entertainment

8.0

Crew

8.6

Food

7.7

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

Overall

8.1

Comfort

8.0

Entertainment

8.0

Crew

8.6

Food

7.7

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

Overall

8.1

Comfort

8.0

Entertainment

8.0

Crew

8.6

Food

7.7

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

Overall

8.1

Comfort

8.0

Entertainment

8.0

Crew

8.6

Food

7.7

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

Overall

8.1

Comfort

8.0

Entertainment

8.0

Crew

8.6

Food

7.7

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

Overall

8.1

Comfort

8.0

Entertainment

8.0

Crew

8.6

Food

7.7

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.
  • How long is the flight from Sydney to Kathmandu?

    For as low as $1,181, Malaysia Airlines can have you in Kathmandu from Sydney in 18h 45m. Sydney and Kathmandu are separated by a distance of 9737 km. This flight may include one or multiple stops.

  • 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 $702 on this airline. Additional options worth looking into are Batik Air and Malaysia Airlines, starting at $810 and $890 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 $1,273). 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 5 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 5 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$702Average$2,016FlexibilityNo cancel feeOn-time67%
Search Air China flights
Batik AirCheapest$810Average$1,965FlexibilityNo cancel feeOn-timeN/A
Search Batik Air flights
Malaysia AirlinesCheapest$890Average$1,303FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
China SouthernCheapest$890Average$1,304FlexibilityNo cancel feeOn-time69%
Search China Southern flights
SriLankan AirlinesCheapest$892Average$1,117FlexibilityNo cancel feeOn-time68%
Search SriLankan Airlines flights
Air IndiaCheapest$934Average$1,360FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Singapore AirlinesCheapest$1,040Average$1,352FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
China EasternCheapest$1,058Average$1,207FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Cathay PacificCheapest$1,141Average$1,457FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Sichuan AirlinesCheapest$1,196Average$1,604FlexibilityNo 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?

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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.

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