Cheap flights from Kathmandu to Singapore from S$ 291

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 16-8. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — SIN
24 May — 31 May1
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 76 days in advance, depart on a Thursday or Tuesday and return on a Tuesday

Cheap 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 24 April 2026.

Sun 2-814:55
KTM
-
SIN
2 stops19h 00m
Air India
Fri 25-919:40
SIN
-
KTM
2 stops44h 30m
Air India
Deal found 21-4S$ 553
Sun 2-814:05
KTM
-
SIN
1 stop25h 25m
IndiGo
Wed 5-819:45
SIN
-
KTM
1 stop16h 20m
IndiGo
Deal found 21-4S$ 563
Fri 25-1223:00
KTM
-
SIN
Nonstop5h 00m
Singapore Airlines
Mon 4-118:55
SIN
-
KTM
Nonstop5h 10m
Singapore Airlines
Deal found 22-4S$ 568
Sun 2-814:55
KTM
-
SIN
2 stops28h 35m
Air India
Wed 5-823:00
SIN
-
KTM
2 stops17h 10m
Air India
Deal found 21-4S$ 574
Tue 9-610:50
KTM
-
SIN
1 stop28h 40m
IndiGo
Thu 25-610:45
SIN
-
KTM
1 stop29h 40m
IndiGo
Deal found 23-4S$ 583
Sun 12-722:50
KTM
-
SIN
Nonstop5h 10m
Singapore Airlines
Fri 17-718:50
SIN
-
KTM
Nonstop4h 55m
Singapore Airlines
Deal found 22-4S$ 587
Thu 18-622:50
KTM
-
SIN
Nonstop5h 10m
Singapore Airlines
Sun 28-618:50
SIN
-
KTM
Nonstop4h 55m
Singapore Airlines
Deal found 20-4S$ 589
Sun 5-714:05
KTM
-
SIN
1 stop25h 25m
IndiGo
Wed 8-719:45
SIN
-
KTM
1 stop16h 20m
IndiGo
Deal found 23-4S$ 591
Sun 2-822:50
KTM
-
SIN
Nonstop5h 10m
Singapore Airlines
Wed 5-818:50
SIN
-
KTM
Nonstop4h 55m
Singapore Airlines
Deal found 21-4S$ 594
Tue 29-917:30
KTM
-
SIN
1 stop16h 25m
Air India
Mon 12-1023:00
SIN
-
KTM
1 stop19h 45m
Air India
Deal found 23-4S$ 606
Sat 6-614:05
KTM
-
SIN
1 stop19h 50m
Multiple Airlines
Sat 13-610:30
SIN
-
KTM
1 stop11h 35m
Multiple Airlines
Deal found 22-4S$ 613
Mon 12-1014:55
KTM
-
SIN
2 stops28h 35m
Air India
Tue 20-1019:40
SIN
-
KTM
2 stops44h 30m
Air India
Deal found 23-4S$ 614

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 24 April 2026.

Round-trip from

S$ 539

One-way from

S$ 291

Popular in

May

Cheapest in

July

Average price

S$ 767

Good round-trip deal

S$ 722 or less
IndiGo
  • IndiGo
  • 21-7-4-8
  • 2 total stops
  • 40h 50m total
  • Kathmandu to Singapore
IndiGo
  • IndiGo
  • 16-8
  • 1 total stop
  • 16h 20m total
  • Kathmandu to Singapore
Highest demand for flights based on searches. 4% potential increase in price (S$ 46 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (S$ 24 potential savings vs. average return price).
Average for round-trip flights in April 2026
Price to beat on a round-trip flight from Kathmandu Tribhuvan to Singapore Changi.

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 24 April 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 return flight
Fastest return journey

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Thu 11-6

22:50-06:15

Nonstop5h 10m

Singapore Changi

Sun 14-6

18:50-21:30

Nonstop4h 55m

S$ 674

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Sun 5-7

22:45-14:40

1 stop13h 40m

Singapore Changi

Wed 8-7

06:20-12:00

1 stop7h 55m

S$ 706

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Mon 15-6

22:50-06:15

Nonstop5h 10m

Singapore Changi

Sat 20-6

18:50-21:30

Nonstop4h 55m

S$ 706

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Thu 4-6

13:15-08:30

1 stop17h 00m

Singapore Changi

Thu 11-6

18:50-21:30

Nonstop4h 55m

S$ 802

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Mon 15-6

22:45-09:05

1 stop8h 05m

Singapore Changi

Sat 20-6

06:20-12:00

1 stop7h 55m

S$ 821

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Tue 9-6

22:50-06:15

Nonstop5h 10m

Singapore Changi

Tue 23-6

18:50-21:30

Nonstop4h 55m

S$ 841

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Sun 10-5

16:35-01:30

1 stop30h 40m

Singapore Changi

Sat 16-5

23:10-15:35

2 stops18h 40m

S$ 848

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Tue 19-5

16:35-16:25

2 stops45h 35m

Singapore Changi

Sun 7-6

15:10-15:35

2 stops50h 40m

S$ 938

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Sat 6-6

22:50-06:15

Nonstop5h 10m

Singapore Changi

Mon 8-6

10:20-16:05

1 stop8h 00m

S$ 951

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Tue 19-5

16:35-15:45

3 stops44h 55m

Singapore Changi

Tue 9-6

16:55-15:35

3 stops48h 55m

S$ 956

Flights are sorted by cheapest return flights first.

Deals found on 23-4

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

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?

To ensure you get the cheapest price possible for a flight from Kathmandu to Singapore, you should look to book at least 75 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$ 614). Flying from Kathmandu to Singapore in May is currently the most expensive (average of S$ 952). 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 24 April 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kathmandu to Singapore as you normally would.

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 24 April 2026.
See what other customers who have flown with Singapore Airlines and Thai Airways 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.

Overall

8.2

Boarding

8.3

Food

7.8

Entertainment

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

Overall

8.2

Boarding

8.3

Food

7.8

Entertainment

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

Overall

8.2

Boarding

8.3

Food

7.8

Entertainment

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

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 5h 10m for a nonstop flight. You can also purchase a plane ticket from 2 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$ 674, Singapore Airlines can have you in Singapore from Kathmandu in 5h 10m. The distance between Kathmandu and Singapore is about 3534 km. This flight may include one or multiple stops.

  • 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$ 379. Another option worth looking into is Singapore Airlines, starting at S$ 572 round trip. These flights start at 49% lower than the current average price 3 months from now.

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

    The cheapet airlines for a one-way flight from Kathmandu to Singapore are Singapore Airlines (S$ 314), Malaysia Airlines (S$ 324), and Air India (S$ 352).

  • What are the cheapest flights from Kathmandu to Singapore?

    While on average a flight from Kathmandu to Singapore is generally S$ 1,143, our data shows the cheapest flight currently is S$ 692. When looking at the most popular route, (Kathmandu Tribhuvan - Singapore Changi), you can expect to pay S$ 553 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$ 614). Flying from Kathmandu to Singapore in May is currently the most expensive (average of S$ 952). 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 24 April 2026.

Top 2 airlines flying from Kathmandu to Singapore

Discover the top 2 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 24 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai AirwaysCheapestS$ 379AverageS$ 784FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
Singapore AirlinesCheapestS$ 572AverageS$ 744FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Singapore from Kathmandu.

Can Cheapflights find flights from Kathmandu to Singapore with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Kathmandu to Singapore flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Kathmandu to Singapore become cheaper?

Not ready to book yet? You can track prices for flights from Kathmandu to Singapore on Cheapflights with our Price Alert feature and get notified when better prices are available.

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