Cheap flights from Kathmandu to Singapore from S$ 274

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 19-11. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — SIN
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

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 Friday 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 5 November 2025.

Round-trip from

S$ 549

One-way from

S$ 274

Popular in

December

Cheapest in

July

Average price

S$ 854

Good round-trip deal

S$ 701 or less

Good one-way deal

S$ 488 or less
IndiGo
  • IndiGo
  • 7-3-14-3
  • 2 total stops
  • 33h 55m total
  • Kathmandu to Singapore
IndiGo
  • IndiGo
  • 19-11
  • 1 total stop
  • 28h 40m 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 November 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 5 November 2025.

Wed 3-1210:50KTM - SIN
1 stop28h 40mMultiple Airlines
Wed 10-1221:30SIN - KTM
1 stop19h 55mMultiple Airlines
Deal found 3-11S$ 558
Wed 17-1215:00KTM - SIN
1 stop17h 15mMultiple Airlines
Thu 25-1223:30SIN - KTM
1 stop11h 25mMultiple Airlines
Deal found 4-11S$ 580
Mon 1-1215:00KTM - SIN
1 stop17h 15mMultiple Airlines
Thu 11-1219:40SIN - KTM
1 stop15h 15mMultiple Airlines
Deal found 3-11S$ 581
Tue 4-1116:10KTM - SIN
1 stop23h 35mMultiple Airlines
Thu 6-1110:30SIN - KTM
1 stop12h 20mMultiple Airlines
Deal found 3-11S$ 600
Thu 6-1116:10KTM - SIN
1 stop12h 40mMultiple Airlines
Wed 12-1108:20SIN - KTM
1 stop12h 30mMultiple Airlines
Deal found 3-11S$ 601
Tue 4-1122:20KTM - SIN
1 stop15h 35mMultiple Airlines
Wed 19-1107:40SIN - KTM
1 stop15h 10mMultiple Airlines
Deal found 3-11S$ 602
Tue 30-1222:30KTM - SIN
1 stop8h 20mMalaysia Airlines
Fri 16-106:00SIN - KTM
1 stop8h 15mMalaysia Airlines
Deal found 4-11S$ 605
Thu 18-1222:30KTM - SIN
1 stop14h 45mMalaysia Airlines
Thu 25-1221:20SIN - KTM
1 stop16h 55mMalaysia Airlines
Deal found 4-11S$ 606

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 5 November 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

Sat 7-3

14:30-10:15

1 stop17h 30m

Singapore Changi

Sat 14-3

19:40-09:50

1 stop16h 25m

S$ 549

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Fri 13-2

15:10-10:30

1 stop17h 05m

Singapore Changi

Fri 24-4

09:00-16:30

1 stop9h 45m

S$ 551

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Sat 7-3

14:30-10:15

1 stop17h 30m

Singapore Changi

Fri 13-3

02:25-12:15

1 stop12h 05m

S$ 560

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Mon 1-12

15:00-10:30

1 stop17h 15m

Singapore Changi

Thu 11-12

19:40-08:40

1 stop15h 15m

S$ 581

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Wed 3-12

06:30-17:20

2 stops32h 35m

Singapore Changi

Wed 10-12

14:55-20:35

1 stop7h 55m

S$ 597

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Wed 17-12

13:45-10:30

2 stops18h 30m

Singapore Changi

Thu 25-12

23:30-08:40

1 stop11h 25m

S$ 598

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Thu 18-12

22:30-15:30

1 stop14h 45m

Singapore Changi

Thu 25-12

21:20-12:00

1 stop16h 55m

S$ 606

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$ 618

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Wed 19-11

10:50-17:45

1 stop28h 40m

S$ 274

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Wed 17-12

15:00-10:30

1 stop17h 15m

S$ 280

Flights are sorted by cheapest return flights first.

Deals found on 5-11

Showing 1-10 of 19 results
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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 31 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, July is the cheapest month in which you can book a flight from Kathmandu to Singapore (average of S$ 445). Flying from Kathmandu to Singapore in May is currently the most expensive (average of S$ 695). 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 5 November 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 5 November 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.

Entertainment

8.0

Overall

8.1

Comfort

8.0

Food

7.7

Boarding

8.3

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

Entertainment

8.0

Overall

8.1

Comfort

8.0

Food

7.7

Boarding

8.3

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

Entertainment

8.0

Overall

8.1

Comfort

8.0

Food

7.7

Boarding

8.3

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

Entertainment

8.0

Overall

8.1

Comfort

8.0

Food

7.7

Boarding

8.3

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

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 is 1 flight 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$ 549, IndiGo can have you in Singapore from Kathmandu in 17h 30m. 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$ 407. Additional round-trip tickets that might be worth considering are offered by Air India and Singapore Airlines, with the lowest prices starting at S$ 556 and S$ 632, 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$ 729, our data shows the cheapest flight currently is S$ 389. When looking at the most popular route, (Kathmandu Tribhuvan - Singapore Changi), you can expect to pay S$ 549 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, July is the cheapest month in which you can book a flight from Kathmandu to Singapore (average of S$ 445). Flying from Kathmandu to Singapore in May is currently the most expensive (average of S$ 695). 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 5 November 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 5 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirwaysCheapestS$ 407AverageS$ 775FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
Air IndiaCheapestS$ 556AverageS$ 813FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Singapore AirlinesCheapestS$ 632AverageS$ 911FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

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How does Cheapflights help users find flights from Kathmandu to Singapore?

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Why should you use Cheapflights to find cheap flight tickets from Kathmandu to Singapore?

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