$243 Cheap Flights from Kathmandu (KTM) to Singapore (SIN)

View $243 flight on Wed, Apr 29, 2026Opens in a new window

Popular airlines from Tribhuvan Intl. Airport (KTM) to Singapore Changi Airport (SIN)

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Cheap Flights from Kathmandu to Singapore (KTM-SIN)

Prices were available within the past 7 days and start at $243 for one-way flights and $384 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Malaysia Airlines
Tue, Aug 11 - Tue, Aug 25
KTM
Kathmandu
SIN
Singapore
$384 Roundtrip, found 6 days ago
$384
Roundtrip
found 6 days ago
Select Malaysia Airlines flight, departing Tue, Aug 11 from Kathmandu to Singapore, returning Tue, Aug 25, priced at $384 found 6 days ago
Malaysia Airlines
Mon, Aug 10 - Thu, Aug 13
KTM
Kathmandu
SIN
Singapore
$387 Roundtrip, found 6 days ago
$387
Roundtrip
found 6 days ago
Select Malaysia Airlines flight, departing Mon, Aug 10 from Kathmandu to Singapore, returning Thu, Aug 13, priced at $387 found 6 days ago
Malaysia Airlines
Mon, Aug 10 - Mon, Aug 17
KTM
Kathmandu
SIN
Singapore
$390 Roundtrip, found 6 days ago
$390
Roundtrip
found 6 days ago
Select Malaysia Airlines flight, departing Mon, Aug 10 from Kathmandu to Singapore, returning Mon, Aug 17, priced at $390 found 6 days ago
Malaysia Airlines
Mon, Aug 10 - Mon, Aug 17
KTM
Kathmandu
SIN
Singapore
$392 Roundtrip, found 6 days ago
$392
Roundtrip
found 6 days ago
Select Malaysia Airlines flight, departing Mon, Aug 10 from Kathmandu to Singapore, returning Mon, Aug 17, priced at $392 found 6 days ago
Singapore Airlines
Fri, Oct 16 - Mon, Oct 19
KTM
Kathmandu
SIN
Singapore
$410 Roundtrip, found 6 days ago
$410
Roundtrip
found 6 days ago
Select Singapore Airlines flight, departing Fri, Oct 16 from Kathmandu to Singapore, returning Mon, Oct 19, priced at $410 found 6 days ago
SriLankan Airlines
Sun, Aug 23 - Sun, Aug 30
KTM
Kathmandu
SIN
Singapore
$464 Roundtrip, found 1 day ago
$464
Roundtrip
found 1 day ago
Select SriLankan Airlines flight, departing Sun, Aug 23 from Kathmandu to Singapore, returning Sun, Aug 30, priced at $464 found 1 day ago
IndiGo
Sun, Apr 26 - Sun, May 3
KTM
Kathmandu
SIN
Singapore
$480 Roundtrip, found 1 day ago
$480
Roundtrip
found 1 day ago
Select IndiGo flight, departing Sun, Apr 26 from Kathmandu to Singapore, returning Sun, May 3, priced at $480 found 1 day ago
Air India
Fri, Mar 27 - Mon, Apr 13
KTM
Kathmandu
SIN
Singapore
$498 Roundtrip, found 12 hours ago
$498
Roundtrip
found 12 hours ago
Select Air India flight, departing Fri, Mar 27 from Kathmandu to Singapore, returning Mon, Apr 13, priced at $498 found 12 hours ago
Air China
Thu, May 21 - Thu, May 28
KTM
Kathmandu
SIN
Singapore
$606 Roundtrip, found 3 days ago
$606
Roundtrip
found 3 days ago
Select Air China flight, departing Thu, May 21 from Kathmandu to Singapore, returning Thu, May 28, priced at $606 found 3 days ago
Thai Lion Mantari
Sun, Mar 1 - Sun, Mar 8
KTM
Kathmandu
SIN
Singapore
$615 Roundtrip, found 1 hour ago
$615
Roundtrip
found 1 hour ago
Select Thai Lion Mantari flight, departing Sun, Mar 1 from Kathmandu to Singapore, returning Sun, Mar 8, priced at $615 found 1 hour ago

Alternative airports near Singapore

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Changi SIN. Cheapest option available. Average driving time to city center is 18 minutes. Flights from $546
SIN
Changi
Cheapest
Average driving time to city center18 min
Flights from $546

Find the cheapest month to fly from Kathmandu (KTM) to Singapore (SIN)

July is typically the cheapest month to fly

From $337 - $520 per traveler.
0
Flights from Kathmandu (KTM) to Singapore (SIN)
Origin airport
Tribhuvan Intl.
Destination airport
Changi
Airlines serving
Air China, Air India, Batik air , Cathay Pacific, China Eastern Airlines, China Southern Airlines, Emirates, Etihad Airways, IndiGo, Malaysia Airlines, Qatar Airways, Sichuan Airlines, Singapore Airlines, SriLankan Airlines, Thai Airways International, Thai Lion Mantari, Turkish Airlines
Roundtrip price
$384
Distance
2198 mi

Kathmandu to Singapore Flights

The cheapest times to fly from Kathmandu to Singapore

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Kathmandu to Singapore are during the month of August. You can find some of the cheapest flights from Kathmandu to Singapore with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Kathmandu to Singapore

Sunday is one of the best days to book for cheap flights from Kathmandu to Singapore: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Kathmandu to Singapore

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Kathmandu to Singapore in 2026. You can also book with separate airlines for your outbound and return journeys, from $243 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Kathmandu to Singapore flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Kathmandu to Singapore airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Kathmandu (KTM-Tribhuvan Intl.) to Singapore (SIN-Changi) cost?
You can find cheap one-way flights from $243 and cheap return flights from $384 Kathmandu (KTM-Tribhuvan Intl.) to Singapore (SIN-Changi) with Expedia. One-way flights typically cost between $289 and $1342, and return flights often range between $514 and $1536. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Kathmandu (KTM-Tribhuvan Intl.) to Singapore (SIN-Changi) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Kathmandu (KTM-Tribhuvan Intl.) to Singapore (SIN-Changi)?
The cheapest month to fly from KTM to SIN is August when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Kathmandu (KTM-Tribhuvan Intl.) to Singapore (SIN-Changi)?
Singapore Airlines operates around 7 direct flights from KTM to SIN every week.
What is the cheapest airline that flies from Kathmandu (KTM-Tribhuvan Intl.) to Singapore (SIN-Changi)?
Singapore Airlines is one of the cheapest airlines offering nonstop flights from Kathmandu (KTM) to Singapore (SIN) with return tickets starting from around $493. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Kathmandu (KTM-Tribhuvan Intl.) to Singapore (SIN-Changi)?
To find a cheap flight from Kathmandu (KTM-Tribhuvan Intl.) to Singapore (SIN-Changi), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Kathmandu (KTM-Tribhuvan Intl.) to Singapore (SIN-Changi)?
The best airline to fly with from Kathmandu (KTM) to Singapore (SIN) will differ from traveler to traveler. If you like to fly early, Singapore Airlines offers early morning flights. If price is the most important factor, Singapore Airlines typically offers the lowest fares. Air India also offers the most daily flights from KTM to SIN, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Kathmandu (KTM-Tribhuvan Intl.) to Singapore (SIN-Changi)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Kathmandu (KTM-Tribhuvan Intl.) to Singapore (SIN-Changi)?
There are approximately 1 nonstop flights per day from Tribhuvan Intl. (KTM) to Changi (SIN). For more options, look at flights that include layovers.
What is the earliest flight from Kathmandu (KTM-Tribhuvan Intl.) to Singapore (SIN-Changi)?
The earliest flight from Tribhuvan International Airport (KTM) in Kathmandu to Changi Airport (SIN) in Singapore typically departs at around 12:20 AM. This flight is operated by flydubai and Emirates and is a seasonal service active in September. An early departure allows you to maximize your time in Singapore. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Kathmandu (KTM-Tribhuvan Intl.) to Singapore (SIN-Changi)?
The most popular departure times for flights from Kathmandu (KTM) to Singapore (SIN) are in the late evening, from 9pm to midnight. About 44% of passengers prefer this time window. Many major carriers, including Malaysia Airlines, Singapore Airlines, and Cathay Pacific, offer flights during this window. This timing works well because it allows you to enjoy a full day in Kathmandu before heading to Singapore.
How long does it take to fly from Kathmandu (KTM-Tribhuvan Intl.) to Singapore (SIN-Changi)?
Flying nonstop from KTM to SIN takes around 5 hours, with the route covering approximately 2,198 miles. Flights with a layover typically take 17 hours 20 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Kathmandu (KTM-Tribhuvan Intl.) to Singapore (SIN-Changi)?
Business class seats are offered on the KTM to SIN route. Airlines that offer business class service on this route include:

  • Cathay Pacific
  • Malaysia Airlines
  • Air India
  • Turkish Airlines
  • Qatar Airways
  • flydubai
  • China Eastern Airlines
  • Singapore Airlines
  • SriLankan Airlines
  • China Southern Airlines

How much is a business class flight from Kathmandu (KTM-Tribhuvan Intl.) to Singapore (SIN-Changi)?
A direct, return business class ticket from Kathmandu (KTM) to Singapore (SIN) typically costs between $2,099 - $5,226. A non-stop, one-way business class flight is usually around $941. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Kathmandu (KTM-Tribhuvan Intl.) to Singapore (SIN-Changi) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Kathmandu (KTM-Tribhuvan Intl.) to Singapore (SIN-Changi) flight with Expedia?
It's easy to earn miles on a Kathmandu (KTM-Tribhuvan Intl.) to Singapore (SIN-Changi) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Singapore from Tribhuvan Intl. (KTM)?
From Tribhuvan Intl. (KTM), you can fly into Changi (SIN) to reach Singapore. Some flights may connect through major hubs like Indira Gandhi Intl. (DEL), Kuala Lumpur Intl. (KUL), Hamad Intl. (DOH) before reaching Singapore. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Kathmandu (KTM-Tribhuvan Intl.) to Singapore (SIN-Changi) at the last minute?
Typically, booking a last minute flight from Kathmandu (KTM-Tribhuvan Intl.) to Singapore (SIN-Changi) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Kathmandu (KTM-Tribhuvan Intl.) to Singapore (SIN-Changi) flight and hotel package?
Securing a Kathmandu (KTM-Tribhuvan Intl.) to Singapore (SIN-Changi) Singapore Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Kathmandu (KTM-Tribhuvan Intl.) to Singapore (SIN-Changi)?
If you booked your Kathmandu (KTM-Tribhuvan Intl.) to Singapore (SIN-Changi) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

*Flight schedules are subject to change.

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*Available to One Key members.