Cheap flights from Kathmandu to Singapore from S$ 190

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 26-1. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — SIN
14 Nov — 21 Nov1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Kathmandu Tribhuvan to Singapore Changi are usually found in July or June, booked 49 days in advance, depart on a Thursday or Tuesday and return on a Sunday

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 15 October 2025.

Round-trip from

S$ 489

One-way from

S$ 190

Popular in

December

Cheapest in

July

Average price

S$ 877

Good round-trip deal

S$ 774 or less

Good one-way deal

S$ 523 or less
Thai AirAsia
  • Thai AirAsia
  • 11-11-15-11
  • 2 total stops
  • 41h 35m total
  • Kathmandu to Singapore
26-1
  • 26-1
  • 1 total stop
  • 18h 05m total
  • Kathmandu to Singapore
Highest demand for flights based on searches. 9% potential increase in price (S$ 111 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (S$ 23 potential savings vs. average return price).
Average for round-trip flights in October 2025
Price to beat on a round-trip flight from Kathmandu Tribhuvan to Singapore Changi.
Price to beat on a one-way flight from Kathmandu Tribhuvan to Singapore Changi.

Find flight deals from Kathmandu to Singapore

Enter your travel dates to find the best prices.

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 15 October 2025.

Tue 11-1114:15KTM - SIN
1 stop22h 00mMultiple Airlines
Sat 15-1120:40SIN - KTM
1 stop19h 35mMultiple Airlines
Deal found 14-10S$ 489
Sun 19-1016:40KTM - SIN
1 stop22h 50mIndiGo
Wed 22-1019:45SIN - KTM
1 stop16h 20mIndiGo
Deal found 13-10S$ 512
Tue 11-1114:15KTM - SIN
1 stop22h 00mMultiple Airlines
Mon 17-1108:20SIN - KTM
1 stop12h 30mMultiple Airlines
Deal found 14-10S$ 535
Sun 16-1114:15KTM - SIN
1 stop18h 00mMultiple Airlines
Sun 23-1120:40SIN - KTM
1 stop19h 35mMultiple Airlines
Deal found 14-10S$ 553
Wed 31-1215:00KTM - SIN
1 stop18h 05mMultiple Airlines
Sat 10-121:30SIN - KTM
1 stop18h 45mMultiple Airlines
Deal found 14-10S$ 559
Sun 19-1009:30KTM - SIN
2 stops20h 00mMultiple Airlines
Wed 22-1008:45SIN - KTM
1 stop10h 00mMultiple Airlines
Deal found 13-10S$ 563
Mon 20-1010:50KTM - SIN
3 stops27h 35mMultiple Airlines
Wed 22-1007:55SIN - KTM
2 stops30h 35mMultiple Airlines
Deal found 13-10S$ 577

Cheapflights Fare Finder

 
Customise 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 200,618 searches. Data last updated 15 October 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

Tue 11-11

14:15-14:30

1 stop22h 00m

Singapore Changi

Mon 17-11

08:20-18:35

1 stop12h 30m

S$ 535

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Wed 18-3

13:40-08:10

1 stop16h 15m

Singapore Changi

Sun 22-3

19:50-11:50

1 stop18h 15m

S$ 587

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Sun 16-11

15:00-10:30

1 stop17h 15m

Singapore Changi

Sun 23-11

14:10-08:25

2 stops20h 30m

S$ 590

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Fri 6-2

23:00-06:15

Nonstop5h 00m

Singapore Changi

Tue 10-2

18:55-21:50

Nonstop5h 10m

S$ 618

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Thu 6-11

13:40-12:35

2 stops20h 40m

Singapore Changi

Tue 11-11

08:45-08:25

3 stops25h 55m

S$ 620

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Fri 7-11

14:45-21:30

2 stops28h 30m

Singapore Changi

Tue 11-11

18:20-11:50

3 stops43h 45m

S$ 624

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Tue 30-12

22:45-18:35

1 stop17h 35m

Singapore Changi

Sun 11-1

09:55-21:45

1 stop14h 05m

S$ 651

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Tue 30-12

22:45-09:05

1 stop8h 05m

Singapore Changi

Thu 8-1

11:05-21:45

1 stop12h 55m

S$ 651

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Mon 1-12

15:00-10:30

1 stop17h 15m

Singapore Changi

Tue 16-12

21:00-12:25

1 stop17h 40m

S$ 654

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Sun 25-1

15:00-20:30

1 stop27h 15m

S$ 213

Flights are sorted by cheapest return flights first.

Deals found on 13-10

Showing 1-10 of 19 results
1
2

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 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 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 return flight from Kathmandu to Singapore. Price data was last updated on 10 October 2025.

To ensure you get the cheapest price possible for a flight from Kathmandu to Singapore, you should look to book at least 49 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 Kathmandu to Singapore?

Currently, November is the cheapest month in which you can book a flight from Kathmandu to Singapore (average of S$ 421). Flying from Kathmandu to Singapore in May is currently the most expensive (average of S$ 691). 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 15 October 2025.

It’s typically best to fly out from Kathmandu to Singapore in the morning. Doing so could potentially save you 66% on the flight price compared to flying at midday, which is usually more expensive.

How much does it cost for a return flight from Kathmandu to Singapore?

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 15 October 2025.
See what other customers who have flown with Singapore Airlines, Thai Airways, andAir India from Kathmandu to Singapore have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.7

Entertainment

8.0

Overall

8.1

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

8.2

Comfort

8.0

Crew

8.6

Food

7.7

Entertainment

8.0

Overall

8.1

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

8.2

Comfort

8.0

Crew

8.6

Food

7.7

Entertainment

8.0

Overall

8.1

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

8.2

Comfort

8.0

Crew

8.6

Food

7.7

Entertainment

8.0

Overall

8.1

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 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?

    Booking a flight from Kathmandu Tribhuvan (KTM) to Singapore Changi (SIN) is your only option if you wish to fly from Kathmandu to Singapore. On a typical day, there are 2 flights from Tribhuvan to Changi, all of which are around 4h 55m for a nonstop flight. You can also purchase a plane ticket from 3 airlines when you book a flight from Tribhuvan to Singapore.

  • How popular is this Kathmandu to Singapore flight route?

  • How long is the flight from Kathmandu to Singapore?

    For as low as S$ 587, SriLankan Airlines can have you in Singapore from Kathmandu in 16h 15m. The distance between Kathmandu and Singapore is about 3534 km.

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

    Flying on Thai Airways is currently your cheapest option to Singapore, with prices starting at S$ 405. Additional round-trip tickets that might be worth considering are offered by Air India and Singapore Airlines, with the lowest prices starting at S$ 553 and S$ 671, respectively. These flights start at 49% lower than the current average price 3 months from now.

  • What are the cheapest flights from Kathmandu to Singapore?

    While on average a flight from Kathmandu to Singapore is generally S$ 660, our data shows the cheapest flight currently is S$ 450. When looking at the most popular route, (Kathmandu Tribhuvan - Singapore Changi), you can expect to pay S$ 512 for that flight.

  • 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 holiday 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, November is the cheapest month in which you can book a flight from Kathmandu to Singapore (average of S$ 421). Flying from Kathmandu to Singapore in May is currently the most expensive (average of S$ 691). 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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Fly from Kathmandu to Singapore on these airlines

Choose from the following airlines for your flight from Kathmandu to Singapore. Flights are based on user searches made on Cheapflights and were last updated on 15 October 2025.

Top 3 airlines flying from Kathmandu to Singapore

Discover the top 3 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 200,618 searches. Data last updated 15 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirwaysCheapestS$ 405AverageS$ 771FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
Air IndiaCheapestS$ 553AverageS$ 785FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Singapore AirlinesCheapestS$ 671AverageS$ 909FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

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