HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Kathmandu

$333+ Cheap flights from Sydney (SYD) to Kathmandu (KTM)

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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — KTM
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Sydney to Kathmandu with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 Friday or Tuesday and return on a Monday

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 July 31, 2025.

Round-trip from

$659
(SriLankan Airlines)

One-way from

$333
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$781
From Sydney Kingsford Smith to Kathmandu Tribhuvan
Search Deals
One-way flight from Sydney Kingsford Smith to Kathmandu Tribhuvan
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($146 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Sydney to Kathmandu

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 July 31, 2025.

This SriLankan Airlines deal was found by Cheapflights users on 7/28. 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 SriLankan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/124:10 pmSYD - KTM
1 stop24h 40mSriLankan Airlines
Thu 8/141:15 pmKTM - SYD
1 stop21h 25mSriLankan Airlines
Deal found 7/28$659
This Mytrip deal was found by Cheapflights users on 7/29. 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.
Tue 8/269:15 pmSYD - KTM
3 stops23h 30mMultiple Airlines
Tue 9/22:50 pmKTM - SYD
3 stops40h 30mMultiple Airlines
Deal found 7/29$665
This China Southern deal was found by Cheapflights users on 7/29. 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.
Sun 9/79:45 pmSYD - KTM
1 stop18h 20mChina Southern
Mon 9/2212:50 pmKTM - SYD
1 stop15h 20mChina Southern
Deal found 7/29$684
This Malaysia Airlines deal was found by Cheapflights users on 7/29. 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 Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1310:10 pmSYD - KTM
1 stop27h 50mMalaysia Airlines
Sat 9/61:00 pmKTM - SYD
1 stop26h 20mMalaysia Airlines
Deal found 7/29$749
This FlightHub deal was found by Cheapflights users on 7/29. 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.
Tue 8/268:10 pmSYD - KTM
1 stop28h 10mAir India
Tue 9/22:00 pmKTM - SYD
1 stop23h 45mAir India
Deal found 7/29$767
This Expedia deal was found by Cheapflights users on 7/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/308:20 pmSYD - KTM
1 stop18h 40mSichuan Airlines
Mon 9/1511:45 amKTM - SYD
1 stop22h 15mSichuan Airlines
Deal found 7/28$802
This Gotogate deal was found by Cheapflights users on 7/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/911:00 amSYD - KTM
2 stops32h 50mChina Eastern
Fri 9/194:35 pmKTM - SYD
2 stops35h 10mChina Eastern
Deal found 7/29$805

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated July 31, 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

Tue 8/12

4:10 pm-12:35 pm

1 stop24h 40m

Kathmandu Tribhuvan

Thu 8/14

1:15 pm-2:55 pm

1 stop21h 25m

$659

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Tue 8/26

9:15 pm-4:30 pm

3 stops23h 30m

Kathmandu Tribhuvan

Tue 9/2

2:50 pm-11:35 am

3 stops40h 30m

$665

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Sun 9/7

9:45 pm-11:50 am

1 stop18h 20m

Kathmandu Tribhuvan

Mon 9/22

12:50 pm-8:25 am

1 stop15h 20m

$684

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Wed 8/13

10:10 pm-9:45 pm

1 stop27h 50m

Kathmandu Tribhuvan

Sat 9/6

1:00 pm-7:35 pm

1 stop26h 20m

$749

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Tue 8/26

8:10 pm-8:05 pm

1 stop28h 10m

Kathmandu Tribhuvan

Tue 9/2

2:00 pm-6:00 pm

1 stop23h 45m

$767

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Tue 9/9

11:00 am-3:35 pm

2 stops32h 50m

Kathmandu Tribhuvan

Fri 9/19

4:35 pm-8:00 am

2 stops35h 10m

$805

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Wed 9/3

9:15 am-1:00 pm

3 stops56h 00m

$333

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Mon 8/11

1:05 pm-12:00 pm

1 stop27h 10m

$395

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Sat 11/15

4:10 pm-9:50 pm

1 stop34h 55m

$427

SydneyKathmandu

SYD - KTM

SYDKTM

Sydney Kingsford Smith

Sat 9/13

7:30 pm-1:00 pm

1 stop21h 45m

$465

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 11 results
1
2

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 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 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 round-trip flight from Sydney to Kathmandu. Price data was last updated on July 25, 2025.

To ensure you get the cheapest price possible for a flight from Sydney to Kathmandu, you should look to book at least 30 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Sydney to Kathmandu?

Currently, September is the cheapest month in which you can book a flight from Sydney to Kathmandu (average of $1,237). Flying from Sydney to Kathmandu in June is currently the most expensive (average of $1,684). 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 July 31, 2025.

It’s optimal to fly from Sydney to Kathmandu in the morning. By choosing this option you can save up to 14% on the cost of your flight, compared to a flight at noon.

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

What’s the top layover airport for flights from Sydney to Kathmandu?

Share of 1-stop round-trip flights from Sydney to Kathmandu chosen by Cheapflights users in the past 12 months, using the same layover each way.

Guangzhou (CAN) – chosen by Cheapflights users on 32% of 1-stop itineraries from Sydney to Kathmandu on Cheapflights.

What’s the cheapest layover airport for flights from Sydney to Kathmandu?

Average round-trip fare for 1-stop flights from Sydney to Kathmandu, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Colombo (CMB) is the most affordable 1-stop option, with an average round-trip price of $646.

What’s the fastest layover option from Sydney to Kathmandu?

Shortest average travel time for 1-stop one-way flights from Sydney to Kathmandu, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Singapore (SIN) have the shortest average one-way travel time for 1-stop routes: 16h 16m.

Which airport typically offers the quickest layover for flights from Sydney to Kathmandu?

Average layover duration for 1-stop one-way flights from Sydney to Kathmandu, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Kuala Lumpur (KUL) offer the fastest connection on this route, with an average layover time of 3h 58m.

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 July 31, 2025.
Peruse reviews from past customers who have flown with Singapore Airlines, China Southern, and Malaysia Airlines from Sydney to Kathmandu 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.
Singapore Airlines
8.1
Very good
1,338 reviews

Entertainment

8.0

Boarding

8.2

Crew

8.6

Food

7.7

Comfort

7.9

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.
Singapore Airlines
8.1
Very good
1,338 reviews
Singapore Airlines
8.1
Very good
1,338 reviews

Entertainment

8.0

Boarding

8.2

Crew

8.6

Food

7.7

Comfort

7.9

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.
China Southern
7.6
Good
104 reviews
Singapore Airlines
8.1
Very good
1,338 reviews

Entertainment

8.0

Boarding

8.2

Crew

8.6

Food

7.7

Comfort

7.9

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.
Malaysia Airlines
7.4
Good
270 reviews
Singapore Airlines
8.1
Very good
1,338 reviews

Entertainment

8.0

Boarding

8.2

Crew

8.6

Food

7.7

Comfort

7.9

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.
China Eastern
7.2
Good
158 reviews
Singapore Airlines
8.1
Very good
1,338 reviews

Entertainment

8.0

Boarding

8.2

Crew

8.6

Food

7.7

Comfort

7.9

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.
SriLankan Airlines
6.8
Okay
75 reviews
Singapore Airlines
8.1
Very good
1,338 reviews

Entertainment

8.0

Boarding

8.2

Crew

8.6

Food

7.7

Comfort

7.9

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.

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 SriLankan Airlines. Our recent data shows that you can find tickets from as low as $659 on this airline. Additional options worth looking into are China Southern and Malaysia Airlines, starting at $684 and $749 round-trip. Users have found that SriLankan Airlines is 26% cheaper than the other options available to this destination.

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

    For one-way options, check prices for Malaysia Airlines. According to our data, you can fly for as low as $395. Users have also found prices from $427 and $465 on Singapore Airlines and Air India, respectively.

  • 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 vacation 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, September is the cheapest month in which you can book a flight from Sydney to Kathmandu (average of $1,237). Flying from Sydney to Kathmandu in June is currently the most expensive (average of $1,684). 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 Kathmandu?

Book flights to Kathmandu if you plan to visit one of these locations
Nagarkot

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Kathmandu by adding a car rental and/or hotel reservation to your travel itinerary.
Kathmandu car rentals
Kathmandu Tribhuvan Airport car rentals

Top 9 airlines flying from Sydney to Kathmandu

Discover the top 9 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 2,558,603 searches. Data last updated July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
SriLankan AirlinesCheapest$646Average$1,011FlexibilityNo cancel feeOn-time68%
Air IndiaCheapest$650Average$910FlexibilityNo cancel feeOn-timeN/A
China SouthernCheapest$661Average$907FlexibilityNo cancel feeOn-time69%
Malaysia AirlinesCheapest$703Average$1,061FlexibilityNo cancel feeOn-time67%
Singapore AirlinesCheapest$753Average$1,003FlexibilityNo cancel feeOn-time81%
Sichuan AirlinesCheapest$791Average$1,183FlexibilityNo cancel feeOn-time63%
China EasternCheapest$792Average$831FlexibilityNo cancel feeOn-time62%
Cathay PacificCheapest$807Average$1,054FlexibilityNo cancel feeOn-time72%
Thai AirwaysCheapest$873Average$1,105FlexibilityNo cancel feeOn-time77%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights