Cheap flights from Kathmandu to Singapore from S$ 277

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 15-10. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — SIN
12 Oct — 19 Oct1
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 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 12 September 2025.

Round-trip from

S$ 578

One-way from

S$ 277

Popular in

May

Cheapest in

July

Average price

S$ 761

Good round-trip deal

S$ 691 or less

Good one-way deal

S$ 577 or less
SriLankan Airlines
  • SriLankan Airlines
  • 28-9-24-12
  • 2 total stops
  • 45h 25m total
  • Kathmandu to Singapore
Thai AirAsia
  • Thai AirAsia
  • 15-10
  • 1 total stop
  • 16h 20m total
  • Kathmandu to Singapore
Highest demand for flights based on searches. 2% potential increase in price (S$ 20 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (S$ 17 potential savings vs. average return price).
Average for round-trip flights in September 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

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 12 September 2025.

Sun 28-913:15KTM - SIN
1 stop17h 00mSriLankan Airlines
Wed 24-1209:40SIN - KTM
1 stop28h 25mSriLankan Airlines
Deal found 10-9S$ 578
Mon 22-914:00KTM - SIN
1 stop25h 30mMultiple Airlines
Mon 6-1020:25SIN - KTM
2 stops19h 50mMultiple Airlines
Deal found 10-9S$ 581
Sat 4-1014:00KTM - SIN
1 stop25h 30mIndiGo
Sun 12-1019:45SIN - KTM
1 stop20h 35mIndiGo
Deal found 11-9S$ 595
Mon 13-1013:15KTM - SIN
1 stop17h 00mSriLankan Airlines
Tue 21-1009:45SIN - KTM
1 stop29h 05mSriLankan Airlines
Deal found 10-9S$ 613
Sat 4-1006:30KTM - SIN
3 stops23h 45mMultiple Airlines
Sun 12-1020:10SIN - KTM
3 stops29h 50mMultiple Airlines
Deal found 11-9S$ 628
Mon 13-1006:30KTM - SIN
3 stops24h 45mMultiple Airlines
Tue 21-1017:35SIN - KTM
3 stops44h 55mMultiple Airlines
Deal found 10-9S$ 636
Sat 4-1006:30KTM - SIN
3 stops27h 50mAir India
Sun 12-1008:45SIN - KTM
3 stops17h 15mAir India
Deal found 11-9S$ 637
Tue 14-1014:50KTM - SIN
1 stop18h 05mThai Lion Air
Sat 18-1022:15SIN - KTM
1 stop17h 50mThai Lion Air
Deal found 10-9S$ 641

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 12 September 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

Sun 28-9

13:15-08:30

1 stop17h 00m

Singapore Changi

Wed 24-12

09:40-11:50

1 stop28h 25m

S$ 578

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Sat 4-10

14:00-17:45

1 stop25h 30m

Singapore Changi

Sun 12-10

19:45-14:05

1 stop20h 35m

S$ 595

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Mon 19-1

23:00-06:15

Nonstop5h 00m

Singapore Changi

Tue 27-1

18:55-21:50

Nonstop5h 10m

S$ 611

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Sun 12-10

13:25-14:05

2 stops22h 25m

Singapore Changi

Wed 29-10

08:55-09:50

2 stops27h 10m

S$ 628

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Sat 4-10

06:30-12:35

3 stops27h 50m

Singapore Changi

Sun 12-10

08:45-23:45

3 stops17h 15m

S$ 637

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Mon 27-10

14:15-14:30

1 stop22h 00m

Singapore Changi

Mon 3-11

21:30-13:15

1 stop18h 00m

S$ 657

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Mon 13-10

06:30-09:30

3 stops24h 45m

Singapore Changi

Tue 21-10

17:00-23:45

3 stops33h 00m

S$ 664

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Wed 15-10

15:00-09:35

1 stop16h 20m

S$ 277

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Tue 21-10

14:50-14:05

1 stop21h 00m

S$ 300

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Wed 15-10

15:00-12:45

2 stops19h 30m

S$ 316

Flights are sorted by cheapest return flights first.

Deals found on 10-9

Showing 1-10 of 16 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 29 August 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 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 12 September 2025.

It’s typically best to fly out from Kathmandu to Singapore in the morning. Doing so could potentially save you 20% on the flight price compared to flying at midday, which is usually more expensive.

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 12 September 2025.
See what other customers who have flown with Singapore Airlines, Thai Airways, andMalaysia Airlines 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.

Food

7.7

Boarding

8.2

Overall

8.1

Entertainment

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered

Food

7.7

Boarding

8.2

Overall

8.1

Entertainment

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered

Food

7.7

Boarding

8.2

Overall

8.1

Entertainment

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered

Food

7.7

Boarding

8.2

Overall

8.1

Entertainment

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered

Food

7.7

Boarding

8.2

Overall

8.1

Entertainment

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered

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 4 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$ 611, SriLankan Airlines can have you in Singapore from Kathmandu in 5h. 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 Air India is currently your cheapest option to Singapore, with prices starting at S$ 546. Additional round-trip tickets that might be worth considering are offered by Singapore Airlines and Thai Airways, with the lowest prices starting at S$ 612 and S$ 621, respectively. These flights start at 28% 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$ 1,579, our data shows the cheapest flight currently is S$ 395. When looking at the most popular route, (Kathmandu Tribhuvan - Singapore Changi), you can expect to pay S$ 536 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.

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 12 September 2025.

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 200,618 searches. Data last updated 12 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapestS$ 546AverageS$ 799FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Singapore AirlinesCheapestS$ 612AverageS$ 831FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Thai AirwaysCheapestS$ 621AverageS$ 772FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
Malaysia AirlinesCheapestS$ 662AverageS$ 742FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights

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