Cheap flights from Kathmandu to Singapore from S$ 242

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 5-8. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — SIN
24 Apr — 1 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 61 days in advance, depart on a Tuesday or Thursday 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 25 March 2026.

Mon 3-815:05
KTM
-
SIN
1 stop20h 45m
Multiple Airlines
Thu 13-823:25
SIN
-
KTM
1 stop14h 50m
Multiple Airlines
Deal found 22-3S$ 491
Wed 3-615:05
KTM
-
SIN
1 stop20h 45m
Multiple Airlines
Mon 8-623:00
SIN
-
KTM
1 stop21h 25m
Multiple Airlines
Deal found 23-3S$ 517
Tue 23-622:50
KTM
-
SIN
Nonstop5h 10m
Singapore Airlines
Mon 29-618:50
SIN
-
KTM
Nonstop4h 55m
Singapore Airlines
Deal found 23-3S$ 532
Sun 17-515:05
KTM
-
SIN
1 stop17h 50m
Multiple Airlines
Sun 24-510:30
SIN
-
KTM
1 stop9h 55m
Multiple Airlines
Deal found 21-3S$ 535
Sat 8-822:50
KTM
-
SIN
Nonstop5h 10m
Singapore Airlines
Tue 18-818:50
SIN
-
KTM
Nonstop4h 55m
Singapore Airlines
Deal found 22-3S$ 549
Mon 4-515:10
KTM
-
SIN
1 stop20h 40m
Multiple Airlines
Mon 11-523:00
SIN
-
KTM
1 stop13h 05m
Multiple Airlines
Deal found 20-3S$ 552
Fri 7-810:05
KTM
-
SIN
2 stops18h 30m
Multiple Airlines
Sun 16-810:30
SIN
-
KTM
1 stop11h 35m
Multiple Airlines
Deal found 22-3S$ 556
Sat 8-822:50
KTM
-
SIN
Nonstop5h 10m
Singapore Airlines
Sat 15-818:50
SIN
-
KTM
Nonstop4h 55m
Singapore Airlines
Deal found 22-3S$ 566
Fri 8-515:05
KTM
-
SIN
1 stop27h 25m
Multiple Airlines
Fri 15-523:00
SIN
-
KTM
1 stop21h 25m
Multiple Airlines
Deal found 23-3S$ 579
Fri 7-815:05
KTM
-
SIN
1 stop27h 25m
Thai Lion Air
Sun 16-812:10
SIN
-
KTM
1 stop28h 10m
Thai Lion Air
Deal found 22-3S$ 586

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 25 March 2026.

Round-trip from

S$ 491

One-way from

S$ 242

Popular in

May

Cheapest in

July

Average price

S$ 702

Good round-trip deal

S$ 776 or less

Good one-way deal

S$ 891 or less
3-8-13-8
  • 3-8-13-8
  • 2 total stops
  • 35h 35m total
  • Kathmandu to Singapore
Thai Lion Air
  • Thai Lion Air
  • 5-8
  • 1 total stop
  • 17h 50m total
  • Kathmandu to Singapore
Highest demand for flights based on searches. 2% potential increase in price (S$ 29 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (S$ 19 potential savings vs. average return price).
Average for round-trip flights in March 2026
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.

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 25 March 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

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Wed 6-5

15:10-14:05

1 stop20h 40m

Singapore Changi

Sat 9-5

21:45-14:05

1 stop18h 35m

S$ 542

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Mon 4-5

15:05-20:45

1 stop27h 25m

Singapore Changi

Mon 11-5

08:25-19:50

1 stop13h 40m

S$ 555

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Thu 7-5

06:45-23:55

2 stops14h 55m

Singapore Changi

Thu 14-5

08:25-18:10

1 stop12h 00m

S$ 616

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Thu 16-4

06:45-09:15

1 stop24h 15m

Singapore Changi

Fri 24-4

12:30-20:35

1 stop10h 20m

S$ 641

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Wed 22-4

06:45-23:55

2 stops14h 55m

Singapore Changi

Wed 29-4

08:25-18:10

1 stop12h 00m

S$ 642

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Thu 25-6

22:45-11:25

1 stop10h 25m

Singapore Changi

Thu 6-8

21:15-12:00

1 stop17h 00m

S$ 669

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Thu 25-6

21:10-12:10

1 stop12h 45m

Singapore Changi

Thu 6-8

08:25-23:00

1 stop16h 50m

S$ 702
Fastest return journey

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Thu 25-6

22:50-06:15

Nonstop5h 10m

Singapore Changi

Thu 6-8

18:50-21:30

Nonstop4h 55m

S$ 726

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Sun 5-4

16:35-01:55

2 stops31h 05m

Singapore Changi

Fri 10-4

15:45-15:35

2 stops50h 05m

S$ 949
Cheapest one-way
Fastest single journey

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Wed 5-8

14:40-09:40

3 stops16h 45m

S$ 313

Flights are sorted by cheapest return flights first.

Deals found on 23-3

Showing 1-10 of 19 resultsSorted by cheapest first
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 13 March 2026.

To ensure you get the cheapest price possible for a flight from Kathmandu to Singapore, you should look to book at least 61 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$ 432). Flying from Kathmandu to Singapore in September is currently the most expensive (average of S$ 625). 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 25 March 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 25 March 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.

Crew

8.6

Entertainment

8.0

Boarding

8.3

Overall

8.2

Comfort

8.0

Food

7.8

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.

Crew

8.6

Entertainment

8.0

Boarding

8.3

Overall

8.2

Comfort

8.0

Food

7.8

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.

Crew

8.6

Entertainment

8.0

Boarding

8.3

Overall

8.2

Comfort

8.0

Food

7.8

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 is 1 flight from Tribhuvan to Changi, all of which are around 4h 50m 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?

  • 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$ 526 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 Malaysia Airlines (S$ 324), Singapore Airlines (S$ 333), and Air India (S$ 353).

  • What are the cheapest flights from Kathmandu to Singapore?

    While on average a flight from Kathmandu to Singapore is generally S$ 1,121, our data shows the cheapest flight currently is S$ 401. When looking at the most popular route, (Kathmandu Tribhuvan - Singapore Changi), you can expect to pay S$ 532 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$ 432). Flying from Kathmandu to Singapore in September is currently the most expensive (average of S$ 625). 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 25 March 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 25 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai AirwaysCheapestS$ 379AverageS$ 759FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
Singapore AirlinesCheapestS$ 526AverageS$ 735FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

Fly with Cheapflights

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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?

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.

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

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