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$182+ Cheap flights from Kathmandu (KTM) to Singapore (SIN)

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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — SIN
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
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Cheapflights Tip: The best prices from Kathmandu Tribhuvan to Singapore Changi are usually found in July or August, booked 86 days in advance, depart on a Thursday or Sunday and return on a Saturday

Cheap flight deals from Kathmandu to Singapore

Discover tips and strategies to find the most affordable flight options for your journey from Kathmandu (KTM) to Singapore (SIN). 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 April 15, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$407
(Trip.com)

One-way from

$182
(Kiwi.com)

Popular in

December

Cheapest in

July

Average price

$627

Good round-trip deal

$863 or less

Good one-way deal

$757 or less
Provider with most accurate pricing for Kathmandu Tribhuvan-Singapore Changi flight deals.
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Provider most trusted by Cheapflights users for Kathmandu Tribhuvan-Singapore Changi flights.
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From Kathmandu Tribhuvan to Singapore Changi
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One-way flight from Kathmandu Tribhuvan to Singapore Changi
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Highest demand for flights based on searches. 9% potential increase in price ($58 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Kathmandu Tribhuvan to Singapore Changi.
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Price to beat on a one-way flight from Kathmandu Tribhuvan to Singapore Changi.
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Find flight deals from Kathmandu to Singapore

Cheapest flights from Kathmandu to Singapore
Explore the most affordable flight options available from Kathmandu to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

This Trip.com deal was found by Cheapflights users on 4/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/183:00 pmKTM - SIN
1 stop16h 20mMultiple Airlines
Sun 7/279:10 amSIN - KTM
2 stops29h 20mMultiple Airlines
Deal found 4/15$407
This Booking.com deal was found by Cheapflights users on 4/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/23:00 pmKTM - SIN
1 stop17h 15mThai AirAsia
Sat 11/810:50 pmSIN - KTM
1 stop17h 25mThai AirAsia
Deal found 4/15$429
This SmartFares deal was found by Cheapflights users on 4/15. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/231:15 pmKTM - SIN
1 stop27h 25mSriLankan Airlines
Tue 10/287:50 pmSIN - KTM
1 stop19h 05mSriLankan Airlines
Deal found 4/15$440
This Booking.com deal was found by Cheapflights users on 4/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1811:00 pmKTM - SIN
Nonstop5h 05mSingapore Airlines
Sun 7/276:55 pmSIN - KTM
Nonstop5h 05mSingapore Airlines
Deal found 4/15$487
This Priceline deal was found by Cheapflights users on 4/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1810:05 amKTM - SIN
2 stops23h 35mAir India
Sun 7/278:30 pmSIN - KTM
1 stop22h 15mAir India
Deal found 4/15$575
This Booking.com deal was found by Cheapflights users on 4/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/234:35 pmKTM - SIN
1 stop16h 30mChina Eastern
Mon 10/2712:25 amSIN - KTM
2 stops17h 25mChina Eastern
Deal found 4/15$1,127
This Qatar Airways deal was found by Cheapflights users on 4/15. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/246:00 pmKTM - SIN
2 stops21h 15mQatar Airways
Fri 4/253:10 amSIN - KTM
1 stop15h 50mQatar Airways
Deal found 4/15$2,404

Cheapflights Fare Finder

Customize your flight search to find flights from Kathmandu to Singapore 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 April 15, 2025.
Use the filters below to find and compare flights from Kathmandu to Singapore that are best for you.

Fly from

Kathmandu

Fly to

Singapore

Route

Depart

Return

Price

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Fri 7/18

3:00 pm-9:35 am

1 stop16h 20m

Singapore Changi

Sun 7/27

9:10 am-12:15 pm

2 stops29h 20m

$407

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Fri 7/18

11:00 pm-6:20 am

Nonstop5h 05m

Singapore Changi

Sun 7/27

6:55 pm-9:45 pm

Nonstop5h 05m

$487

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Fri 7/18

10:05 am-11:55 am

2 stops23h 35m

Singapore Changi

Sun 7/27

8:30 pm-4:30 pm

1 stop22h 15m

$575

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Wed 7/30

1:25 pm-10:50 am

2 stops19h 10m

$182

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Tue 8/26

3:00 pm-9:35 am

1 stop16h 20m

$198

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Wed 5/7

1:35 pm-6:55 pm

1 stop27h 05m

$260

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Mon 8/25

12:25 am-11:15 am

1 stop8h 35m

$310

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Sat 5/31

1:00 pm-12:10 am

1 stop8h 55m

$314

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Wed 10/8

11:10 pm-6:20 am

Nonstop4h 55m

$317

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Tue 8/26

10:05 am-11:55 am

2 stops23h 35m

$362

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Compare providers for flights from Kathmandu to Singapore

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kathmandu to Singapore in April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
FlightnetworkPrice Accuracy2 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*2 stars
OneTravelPrice Accuracy2 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Kathmandu-Singapore flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Kathmandu-Singapore flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Kathmandu-Singapore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kathmandu-Singapore flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kathmandu-Singapore flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for Kathmandu to Singapore flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Kathmandu to Singapore trip
Airports
KTM

Arrive 3 hours early for check-in and security at KTM. Expect long lines, especially at main counters.

Read more about KTMby Sharad Ranabhat
SIN

Use Grab rideshare for a quick 25-minute trip from SIN to the city, cheaper than taxis.

Read more about SINby Yulia Denisyuk
Our travel experts
Sharad Ranabhat

Sharad Ranabhat

Expert on KTM

Sharad Ranabhat

Sharad Ranabhat

Sharad, a Nepal-based aviation journalist, is passionate about uncovering the latest in airline news and airport reviews. When he's not diving into the world of aviation, you’ll find him exploring new destinations and sharing stories that connect and inspire.

Read more
Yulia Denisyuk

Yulia Denisyuk

Expert on SIN

Yulia Denisyuk

Yulia Denisyuk

Yulia is a freelance journalist who’s dispatched from 90+ countries. Her work focuses on cultures, adventure trips and air travel, appearing in NatGeo, NYT, CNTraveler, and more. For past assignments, she’s stayed with nomads in Mongolia and learned the art of Imigongo in Rwanda. She’s based in Chicago; in winter she often questions that decision.

Read more

Best time to book a flight from Kathmandu to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Kathmandu 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 Kathmandu to Singapore

How far ahead should I book a flight from Kathmandu to Singapore?

Use this chart to determine the optimal time to book a round-trip flight from Kathmandu to Singapore. Price data was last updated on April 11, 2025.

Booking 86 days in advance of your planned departure date is, on average, the best time to get cheap flights from Kathmandu to Singapore. 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 Singapore?

Currently, September is the cheapest month in which you can book a flight from Kathmandu to Singapore (average of $1,011). Flying from Kathmandu to Singapore in December 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 KTM to SIN?

Find hourly flight availability from Kathmandu to Singapore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 15, 2025.

When flying from Kathmandu to Singapore, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 54% versus a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Kathmandu to Singapore. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Kathmandu to Singapore flight should consider departing on Friday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Kathmandu to Singapore

Explore weekly flight availability from Kathmandu to Singapore. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 15, 2025.

The most flights from KTM to SIN are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Singapore by month

Plan your trip to Singapore by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Singapore ranges from 5.9 - 10.6 inches per month. December is typically the wettest month, when rainfall can reach 10.6 in. July is typically the driest time to visit Singapore when rainfall is around 5.9 in.

Temperature in Singapore by month

Plan your trip to Singapore by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Singapore, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 78.8 F).

Reviews of airlines servicing Singapore

Get insights into the airlines that provide service to Singapore. 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 Singapore. Reviews last updated April 15, 2025.
Singapore Airlines
8.1
Very good
1,288 reviews

Food

7.7

Overall

8.1

Crew

8.6

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Singapore Airlines
8.1
Very good
1,288 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Food

7.7

Overall

8.1

Crew

8.6

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Thai Airways
7.7
Good
323 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Food

7.7

Overall

8.1

Crew

8.6

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Thai AirAsia
7.5
Good
206 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Food

7.7

Overall

8.1

Crew

8.6

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Malaysia Airlines
7.3
Good
253 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Food

7.7

Overall

8.1

Crew

8.6

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
SriLankan Airlines
6.8
Okay
73 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Food

7.7

Overall

8.1

Crew

8.6

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Related info for your journey

Find useful and relevant information for your journey from Kathmandu to Singapore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Kathmandu to Singapore?

    If you wish to fly to Singapore from Kathmandu, then you need to book flights from Kathmandu Tribhuvan to Singapore Changi. There is 1 flight from Tribhuvan (KTM) to Changi (SIN) per day to choose from. Flights to Singapore from Tribhuvan are available from 4 different airlines, which means you should have some options if you want to compare airfare deals. 5h 05m is how long a nonstop flight from Kathmandu to Singapore Changi typically takes.

  • How popular is this Kathmandu to Singapore flight route?

    The Kathmandu Tribhuvan to Singapore Changi flight path was viewed by 78 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Currently priced at $487, Singapore Airlines will fly you from Kathmandu to Singapore and back. In addition to Singapore Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Air India for as low as $575. Singapore Airlines is 14% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airline one-way is Thai AirAsia, with whom users have recently found tickets for as low as $198. However, be on the lookout for offers from SriLankan Airlines and Thai Airways, as they are both options that can get you from Kathmandu to Singapore for a low price.

  • What are the cheapest flights from Kathmandu to Singapore?

    On average you can expect to pay $1,530 for a flight from Kathmandu to Singapore. The cheapest flight overall is $507 while the most popular route, (Kathmandu Tribhuvan - Singapore Changi) is currently priced at $704.

  • Can I find deals for flights from Kathmandu to Singapore that include hotel bookings?

    Yes. In addition to deals on Kathmandu to Singapore flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kathmandu to Singapore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kathmandu to Singapore.

  • Can I find deals for business class flights from Kathmandu to Singapore?

    Yes. Cheapflights offers flight deals from Kathmandu to Singapore 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 Singapore?

    Currently, September is the cheapest month in which you can book a flight from Kathmandu to Singapore (average of $1,011). Flying from Kathmandu to Singapore in December 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

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Top 4 airlines flying from Kathmandu to Singapore

Discover the top 4 airlines that operate flights from Kathmandu to Singapore. 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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest$366Average$419FlexibilityNo cancel feeOn-time87%
Singapore AirlinesCheapest$424Average$534FlexibilityNo cancel feeOn-time81%
Thai AirwaysCheapest$492Average$558FlexibilityNo cancel feeOn-time77%
Air IndiaCheapest$534Average$595FlexibilityNo cancel feeOn-timeN/A

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