Cheap flights from Kathmandu to Singapore from S$ 222

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 7-1. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — SIN
24 Aug — 31 Aug1
1 adult

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 19 August 2025.

Round-trip from

S$ 467

One-way from

S$ 222

Popular in

May

Cheapest in

July

Average price

S$ 690

Good round-trip deal

S$ 692 or less

Good one-way deal

S$ 405 or less
Air India
  • Air India
  • 4-9-9-9
  • 2 total stops
  • 31h 30m total
  • Kathmandu to Singapore
Thai AirAsia
  • Thai AirAsia
  • 7-1
  • 1 total stop
  • 17h 15m total
  • Kathmandu to Singapore
Highest demand for flights based on searches. 2% potential increase in price (S$ 26 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (S$ 18 potential savings vs. average return price).
Average for round-trip flights in August 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 19 August 2025.

Thu 4-915:00KTM - SIN
1 stop17h 55mMultiple Airlines
Tue 9-908:45SIN - KTM
1 stop13h 35mMultiple Airlines
Deal found 18-8S$ 467
Tue 19-814:50KTM - SIN
1 stop28h 10mMultiple Airlines
Wed 27-820:30SIN - KTM
1 stop21h 25mMultiple Airlines
Deal found 18-8S$ 484
Mon 25-810:50KTM - SIN
1 stop28h 40mMultiple Airlines
Wed 27-808:45SIN - KTM
1 stop13h 35mMultiple Airlines
Deal found 18-8S$ 490
Tue 19-814:50KTM - SIN
1 stop28h 10mMultiple Airlines
Mon 25-820:30SIN - KTM
1 stop15h 35mMultiple Airlines
Deal found 18-8S$ 498
Wed 27-810:50KTM - SIN
1 stop28h 40mIndiGo
Sat 30-819:45SIN - KTM
1 stop22h 10mIndiGo
Deal found 18-8S$ 499
Mon 1-915:00KTM - SIN
1 stop20h 50mMultiple Airlines
Mon 8-908:45SIN - KTM
1 stop13h 35mMultiple Airlines
Deal found 17-8S$ 502
Tue 19-814:50KTM - SIN
1 stop28h 10mMultiple Airlines
Tue 26-808:45SIN - KTM
1 stop10h 00mMultiple Airlines
Deal found 18-8S$ 504
Thu 21-821:00KTM - SIN
2 stops18h 05mMultiple Airlines
Tue 26-808:45SIN - KTM
1 stop10h 00mMultiple Airlines
Deal found 18-8S$ 506
Sun 21-921:00KTM - SIN
2 stops24h 50mMultiple Airlines
Wed 24-922:15SIN - KTM
1 stop17h 50mMultiple Airlines
Deal found 18-8S$ 507
Fri 22-821:00KTM - SIN
2 stops18h 05mMultiple Airlines
Tue 26-808:45SIN - KTM
1 stop10h 00mMultiple Airlines
Deal found 18-8S$ 509
Fri 22-821:00KTM - SIN
2 stops18h 05mMultiple Airlines
Wed 27-823:00SIN - KTM
1 stop9h 50mMultiple Airlines
Deal found 18-8S$ 512

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 19 August 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

Thu 4-9

15:00-11:10

1 stop17h 55m

Singapore Changi

Tue 9-9

08:45-20:05

1 stop13h 35m

S$ 467

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Mon 1-9

15:00-14:05

1 stop20h 50m

Singapore Changi

Mon 8-9

08:45-20:05

1 stop13h 35m

S$ 502

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Sun 21-9

21:00-00:05

2 stops24h 50m

Singapore Changi

Wed 24-9

22:15-13:50

1 stop17h 50m

S$ 507

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Fri 29-8

15:00-21:15

1 stop28h 00m

Singapore Changi

Wed 3-9

08:45-20:05

1 stop13h 35m

S$ 509

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Mon 1-9

07:35-18:30

2 stops32h 40m

Singapore Changi

Mon 8-9

08:45-23:00

1 stop16h 30m

S$ 525

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Mon 8-9

16:40-17:45

1 stop22h 50m

Singapore Changi

Mon 15-9

18:35-13:50

2 stops21h 30m

S$ 529

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Wed 7-1

15:00-10:30

1 stop17h 15m

S$ 222

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Wed 24-9

14:00-17:45

1 stop25h 30m

S$ 234

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Thu 4-9

15:00-11:10

1 stop17h 55m

S$ 236

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Mon 15-9

15:00-11:10

1 stop17h 55m

S$ 237

Flights are sorted by cheapest return flights first.

Deals found on 17-8

Showing 1-10 of 16 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 8 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 19 August 2025.

It’s typically best to fly out from Kathmandu to Singapore in the morning. Doing so could potentially save you 19% 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 19 August 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.

Comfort

8.0

Boarding

8.2

Food

7.7

Entertainment

8.0

Crew

8.6

Overall

8.1

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

Comfort

8.0

Boarding

8.2

Food

7.7

Entertainment

8.0

Crew

8.6

Overall

8.1

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

Comfort

8.0

Boarding

8.2

Food

7.7

Entertainment

8.0

Crew

8.6

Overall

8.1

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

Comfort

8.0

Boarding

8.2

Food

7.7

Entertainment

8.0

Crew

8.6

Overall

8.1

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

Comfort

8.0

Boarding

8.2

Food

7.7

Entertainment

8.0

Crew

8.6

Overall

8.1

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?

  • 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$ 619, respectively. These flights start at 28% 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 Thai AirAsia (S$ 222), IndiGo (S$ 234), and Thai Lion Air (S$ 246).

  • What are the cheapest flights from Kathmandu to Singapore?

    While on average a flight from Kathmandu to Singapore is generally S$ 1,528, our data shows the cheapest flight currently is S$ 283. When looking at the most popular route, (Kathmandu Tribhuvan - Singapore Changi), you can expect to pay S$ 445 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

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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 19 August 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 19 August 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$ 619AverageS$ 769FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
Malaysia AirlinesCheapestS$ 662AverageS$ 742FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights

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