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$249+ 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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — SIN
Sep 1 — Sep 81
Tue 9/1
Tue 9/8
1 adult, Economy
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Cheapflights Tip: The best prices from Kathmandu Tribhuvan to Singapore Changi are usually found in August or March, booked 76 days in advance, depart on a Thursday or Friday and return on a Monday

Cheap 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 August 2, 2026.

This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:30 am
KTM
-
SIN
1 stop13h 00m
Air India
Tue 10/2011:00 pm
SIN
-
KTM
1 stop9h 50m
Air India
Deal found 7/29$501
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:50 pm
KTM
-
SIN
Nonstop5h 10m
Singapore Airlines
Fri 9/256:50 pm
SIN
-
KTM
Nonstop4h 55m
Singapore Airlines
Deal found 7/29$502
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:50 pm
KTM
-
SIN
Nonstop5h 10m
Multiple Airlines
Fri 9/2510:30 am
SIN
-
KTM
1 stop11h 55m
Multiple Airlines
Deal found 7/29$503
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:35 am
KTM
-
SIN
1 stop11h 55m
Air India
Wed 10/2111:00 pm
SIN
-
KTM
1 stop9h 50m
Air India
Deal found 7/29$509
This CheapOair deal was found by Cheapflights users on 8/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/189:10 pm
KTM
-
SIN
1 stop12h 45m
Air India
Sat 10/241:10 pm
SIN
-
KTM
1 stop9h 15m
Air India
Deal found 8/2$510
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 9/221:30 pm
KTM
-
SIN
1 stop6h 45m
Thai Airways
Tue 9/298:00 am
SIN
-
KTM
1 stop6h 40m
Thai Airways
Deal found 7/29$511
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.
Wed 8/261:40 pm
KTM
-
SIN
3 stops32h 00m
Multiple Airlines
Wed 9/27:55 am
SIN
-
KTM
1 stop15h 20m
Multiple Airlines
Deal found 7/29$512
This Gotogate deal was found by Cheapflights users on 7/30. 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 10/2012:25 am
KTM
-
SIN
1 stop14h 25m
Thai Airways
Fri 10/3012:25 pm
SIN
-
KTM
1 stop13h 15m
Thai Airways
Deal found 7/30$514
This CheapOair deal was found by Cheapflights users on 8/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:30 pm
KTM
-
SIN
2 stops22h 45m
Air India
Sun 9/2011:00 pm
SIN
-
KTM
1 stop19h 45m
Air India
Deal found 8/1$516
This Super.com deal was found by Cheapflights users on 8/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:25 am
KTM
-
SIN
1 stop17h 00m
Thai Airways
Fri 10/23:55 pm
SIN
-
KTM
1 stop9h 45m
Thai Airways
Deal found 8/2$518
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:50 pm
KTM
-
SIN
Nonstop5h 10m
Multiple Airlines
Tue 9/298:00 am
SIN
-
KTM
1 stop6h 40m
Multiple Airlines
Deal found 7/29$519

Find 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 August 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$501
(CheapOair)

One-way from

$249
(Kiwi.com)

Popular in

May

Cheapest in

August

Average price

$539

Good round-trip deal

$662 or less

Good one-way deal

$451 or less
Provider with most accurate pricing for Kathmandu Tribhuvan-Singapore Changi flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kathmandu Tribhuvan-Singapore Changi flights.
Search Deals
From Kathmandu Tribhuvan to Singapore Changi
Search Deals
One-way flight from Kathmandu Tribhuvan to Singapore Changi
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($77 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from Kathmandu Tribhuvan to Singapore Changi.
Search Deals
Price to beat on a one-way flight from Kathmandu Tribhuvan to Singapore Changi.
Search Deals

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 August 2, 2026.
Use the filters below to find and compare flights from Kathmandu to Singapore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Fri 10/16

12:25 am-5:25 pm

2 stops14h 45m

Singapore Changi

Sat 10/24

6:50 pm-2:05 pm

2 stops21h 30m

$632

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Sat 9/26

9:10 pm-12:45 pm

2 stops13h 20m

Singapore Changi

Wed 9/30

11:10 am-9:50 am

2 stops24h 55m

$633

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Thu 8/13

7:35 am-7:25 am

1 stop21h 35m

Singapore Changi

Sun 8/16

6:50 pm-9:30 pm

Nonstop4h 55m

$635

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Tue 10/6

1:30 pm-12:45 pm

2 stops21h 00m

Singapore Changi

Sun 10/11

6:50 pm-2:05 pm

2 stops21h 30m

$661
Quickest round-trip

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Fri 9/25

11:10 pm-6:15 am

Nonstop4h 50m

Singapore Changi

Thu 12/24

6:55 pm-9:50 pm

Nonstop5h 10m

$666

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Thu 10/15

4:35 pm-1:30 am

1 stop30h 40m

Singapore Changi

Sat 10/17

2:30 am-3:35 pm

1 stop15h 20m

$670

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Wed 9/16

10:50 pm-6:15 am

Nonstop5h 10m

Singapore Changi

Wed 9/23

6:50 pm-9:30 pm

Nonstop4h 55m

$690

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Sun 10/18

10:50 pm-6:15 am

Nonstop5h 10m

Singapore Changi

Sat 10/24

6:50 pm-9:30 pm

Nonstop4h 55m

$790

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Tue 9/29

12:25 am-3:40 pm

2 stops13h 00m

Singapore Changi

Wed 9/30

8:45 pm-11:35 am

2 stops17h 05m

$839
Cheapest one-way

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Wed 8/26

2:05 pm-10:10 am

2 stops17h 50m

$255

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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 August.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy2 starsTrust Score*3 stars
GotogatePrice Accuracy2 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kathmandu-Singapore flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

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?

Booking 75 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, August is the cheapest month in which you can book a flight from Kathmandu to Singapore (average of $539). Flying from Kathmandu to Singapore in May is currently the most expensive (average of $827). 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 August 2, 2026.

When flying from Kathmandu to Singapore, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Airfare is below average for this route at the moment.

Kathmandu to Singapore flights typically cost between $508 and $573 in October.
The cheapest round-trip price found within the last 5 days was $501 on Air India (Oct 16-Oct 20).

The best insider tips for Kathmandu to Singapore flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Kathmandu to Singapore trip
Our travel experts
Sharad Ranabhat

Sharad Ranabhat

Expert on KTM

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 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

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 August 2, 2026.
Read reviews from past customers who have flown Singapore Airlines,Thai Airways, andMalaysia Airlines from Kathmandu to Singapore. 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.
Singapore Airlines
8.2
Very good
1,584 reviews

Entertainment

8.1

Overall

8.2

Comfort

8.0

Food

7.8

Boarding

8.3

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Sanku,Jul 2026

TRV - SIN

Very bad, not able check in using the email link. Very bad quality food. No TV in front of the seats.
Singapore Airlines
8.2
Very good
1,584 reviews
Singapore Airlines
8.2
Very good
1,584 reviews

Entertainment

8.1

Overall

8.2

Comfort

8.0

Food

7.8

Boarding

8.3

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Sanku,Jul 2026

TRV - SIN

Very bad, not able check in using the email link. Very bad quality food. No TV in front of the seats.
Thai Airways
7.9
Good
413 reviews
Singapore Airlines
8.2
Very good
1,584 reviews

Entertainment

8.1

Overall

8.2

Comfort

8.0

Food

7.8

Boarding

8.3

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Sanku,Jul 2026

TRV - SIN

Very bad, not able check in using the email link. Very bad quality food. No TV in front of the seats.
Malaysia Airlines
7.3
Good
314 reviews
Singapore Airlines
8.2
Very good
1,584 reviews

Entertainment

8.1

Overall

8.2

Comfort

8.0

Food

7.8

Boarding

8.3

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Sanku,Jul 2026

TRV - SIN

Very bad, not able check in using the email link. Very bad quality food. No TV in front of the seats.
Air India
5.5
Fair
2,954 reviews
Singapore Airlines
8.2
Very good
1,584 reviews

Entertainment

8.1

Overall

8.2

Comfort

8.0

Food

7.8

Boarding

8.3

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Sanku,Jul 2026

TRV - SIN

Very bad, not able check in using the email link. Very bad quality food. No TV in front of the seats.

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 are 2 flights 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. 4h 50m 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 15 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Kathmandu to Singapore?

    Departing from Kathmandu to Singapore will take you 4h 50m. The distance from Kathmandu to Singapore is about 2196 mi. All flights are typically nonstop.

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

    Currently priced at $381, Malaysia Airlines will fly you from Kathmandu to Singapore and back. In addition to Malaysia Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Singapore Airlines and Air India - these airlines can fly you to your destination from $403 and $472, respectively. Malaysia Airlines is 38% 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 Singapore Airlines, with whom users have recently found tickets for as low as $220. However, be on the lookout for offers from China Eastern 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 $1,759 for a flight from Kathmandu to Singapore. The cheapest flight overall is $424 while the most popular route, (Kathmandu Tribhuvan - Singapore Changi) is currently priced at $395.

  • 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, August is the cheapest month in which you can book a flight from Kathmandu to Singapore (average of $539). Flying from Kathmandu to Singapore in May is currently the most expensive (average of $827). 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

Browse thousands of different options on Cheapflights for your next trip

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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 August 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
Malaysia AirlinesCheapest$381Average$512FlexibilityNo cancel feeOn-time67%
Singapore AirlinesCheapest$403Average$620FlexibilityNo cancel feeOn-time81%
Air IndiaCheapest$472Average$582FlexibilityNo cancel feeOn-timeN/A
Thai AirwaysCheapest$540Average$610FlexibilityNo cancel feeOn-time77%

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