How popular is this Kathmandu to Singapore flight route?

The Kathmandu Tribhuvan to Singapore Changi flight path was viewed by 39 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What are the cheapest airlines flying from Kathmandu to Singapore round-trip?

Currently priced at $366, Thai AirAsia will fly you from Kathmandu to Singapore and back. In addition to Thai AirAsia, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Singapore Airlines and Air India - these airlines can fly you to your destination from $400 and $444, respectively. Thai AirAsia is 38% cheaper than the average price of flights available within the next 90 days to this destination.

What is the cheapest day to fly from Kathmandu to Singapore?

Travelers seeking maximum savings on their Kathmandu to Singapore flight should consider departing on Friday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Singapore ranges from 5.9 - 10.6 inches per month. December is typically the wettest month, when rainfall can reach 10.6 in. July is typically the driest time to visit Singapore when rainfall is around 5.9 in.

If weather is an important factor for your trip to Singapore, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 78.8 F).

What are the cheapest flights from Kathmandu to Singapore?

On average you can expect to pay $1,221 for a flight from Kathmandu to Singapore. The cheapest flight overall is $284 while the most popular route, (Kathmandu Tribhuvan - Singapore Changi) is currently priced at $335.

What are the most popular airlines that fly from Kathmandu to Singapore?

Consider Air India, Thai AirAsia or Singapore Airlines when booking your flight. These represent the most popular airlines when flying from Kathmandu to Singapore.

What is the cheapest day to fly round-trip from Kathmandu to Singapore?

Wednesday is generally a great day to depart. Flying on this day could help you save up to 31%.

How far in advance should I book a flight from Kathmandu to Singapore?

To save up to 94% on this flight, we recommend booking at least 50 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Kathmandu to Singapore from $515 1-2 weeks out and tickets from $515 for flights departing within the next 72 hours.

What is the cheapest month to fly from Kathmandu to Singapore?

Due to multiple factors, expect to potentially pay more when booking in May. For low rates, July can be a great choice for travel to Singapore. Flights to Singapore from Kathmandu in July are about $591 on average during July, but can be found for as low as $341.

What airports do I use to fly from Kathmandu to Singapore?

If you wish to fly to Singapore from Kathmandu, then you need to book flights from Kathmandu Tribhuvan to Singapore Changi. There are 2 flights from Tribhuvan (KTM) to Changi (SIN) per day to choose from. Flights to Singapore from Tribhuvan are available from 4 different airlines, which means you should have some options if you want to compare airfare deals. 5h 05m is how long a nonstop flight from Kathmandu to Singapore Changi typically takes.

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 vacation 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.

$186+ Cheap Flights from Kathmandu to Singapore

Q: How much does it cost to fly round-trip from Kathmandu to Singapore?

Airfare is below average for this route at the moment. Kathmandu to Singapore flights typically cost between $468 and $558 in September. The cheapest round-trip price found within the last 3 days was $347 on Multiple Airlines (Sep 2-Sep 8).

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Kathmandu to Singapore with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 Saturday

Cheap flight deals from Kathmandu to Singapore

Round-trip from	$347 (Kiwi.com)
One-way from	$186 (Kiwi.com)
Popular in	May
Cheapest in	July
Average price	$538
Good round-trip deal	$671 or less
Good one-way deal	$556 or less

From Kathmandu Tribhuvan to Singapore Changi

Search Deals

One-way flight from Kathmandu Tribhuvan to Singapore Changi

Search Deals

Highest demand for flights based on searches. 2% potential increase in price ($16 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

Price to beat on a round-trip flight from Kathmandu Tribhuvan to Singapore Changi.

Search Deals

Price to beat on a one-way flight from Kathmandu Tribhuvan to Singapore Changi.

Search Deals

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 agosto 16, 2025.

mar. 9/210:05 amKTM - SIN

2 stops11h 45mMultiple Airlines

lun. 9/88:30 pmSIN - KTM

1 stop12h 20mMultiple Airlines

Deal found 8/14

$347

mar. 9/210:05 amKTM - SIN

2 stops11h 45mMultiple Airlines

mié. 9/108:45 amSIN - KTM

1 stop13h 35mMultiple Airlines

Deal found 8/14

$365

mar. 9/210:05 amKTM - SIN

2 stops11h 45mMultiple Airlines

mar. 9/98:45 amSIN - KTM

1 stop11h 40mMultiple Airlines

Deal found 8/14

$372

mar. 9/210:05 amKTM - SIN

2 stops11h 45mMultiple Airlines

vie. 9/1210:30 amSIN - KTM

1 stop12h 00mMultiple Airlines

Deal found 8/14

$376

mar. 9/210:05 amKTM - SIN

2 stops11h 45mMultiple Airlines

jue. 9/118:45 amSIN - KTM

1 stop11h 40mMultiple Airlines

Deal found 8/14

$397

jue. 9/46:30 amKTM - SIN

1 stop10h 45mAir India

lun. 9/88:30 pmSIN - KTM

1 stop12h 20mAir India

Deal found 8/14

$401

sáb. 9/66:30 amKTM - SIN

1 stop10h 45mAir India

lun. 9/88:30 pmSIN - KTM

1 stop12h 20mAir India

Deal found 8/14

$403

jue. 9/46:30 amKTM - SIN

1 stop10h 45mAir India

mar. 9/98:45 amSIN - KTM

1 stop13h 35mAir India

Deal found 8/14

$404

sáb. 9/63:00 pmKTM - SIN

1 stop17h 55mMultiple Airlines

sáb. 9/2012:10 pmSIN - KTM

1 stop27h 55mMultiple Airlines

Deal found 8/15

$406

jue. 9/410:05 amKTM - SIN

2 stops11h 45mMultiple Airlines

lun. 9/88:30 pmSIN - KTM

1 stop12h 20mMultiple Airlines

Deal found 8/14

$407

mié. 9/310:05 amKTM - SIN

2 stops11h 45mMultiple Airlines

lun. 9/88:30 pmSIN - KTM

1 stop12h 20mMultiple Airlines

Deal found 8/14

$408

jue. 9/410:05 amKTM - SIN

2 stops11h 45mMultiple Airlines

mar. 9/98:45 amSIN - KTM

1 stop13h 35mMultiple Airlines

Deal found 8/14

$410

Best flights from Kathmandu to Singapore
Discover carefully curated flight deals from Kathmandu to Singapore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated agosto 16, 2025.

mar. 9/210:05 amKTM - SIN

2 stops11h 45mMultiple Airlines

lun. 9/88:30 pmSIN - KTM

1 stop12h 20mMultiple Airlines

Deal found 8/14

$347

jue. 9/46:30 amKTM - SIN

1 stop10h 45mAir India

lun. 9/88:30 pmSIN - KTM

1 stop12h 20mAir India

Deal found 8/14

$401

mar. 9/210:05 amKTM - SIN

2 stops11h 45mMultiple Airlines

mié. 9/108:45 amSIN - KTM

1 stop13h 35mMultiple Airlines

Deal found 8/14

$365

sáb. 9/66:30 amKTM - SIN

1 stop10h 45mAir India

lun. 9/88:30 pmSIN - KTM

1 stop12h 20mAir India

Deal found 8/14

$403

mar. 9/210:05 amKTM - SIN

2 stops11h 45mMultiple Airlines

mar. 9/98:45 amSIN - KTM

1 stop11h 40mMultiple Airlines

Deal found 8/14

$372

jue. 9/46:30 amKTM - SIN

1 stop10h 45mAir India

mar. 9/98:45 amSIN - KTM

1 stop13h 35mAir India

Deal found 8/14

$404

vie. 9/57:35 amKTM - SIN

2 stops14h 25mMultiple Airlines

lun. 9/88:30 pmSIN - KTM

1 stop12h 20mMultiple Airlines

Deal found 8/14

$376

vie. 9/56:30 amKTM - SIN

1 stop10h 45mAir India

lun. 9/88:30 pmSIN - KTM

1 stop12h 20mAir India

Deal found 8/14

$404

mar. 9/210:05 amKTM - SIN

2 stops11h 45mMultiple Airlines

vie. 9/1210:30 amSIN - KTM

1 stop12h 00mMultiple Airlines

Deal found 8/14

$376

mar. 9/210:05 amKTM - SIN

2 stops11h 45mMultiple Airlines

jue. 9/118:45 amSIN - KTM

1 stop11h 40mMultiple Airlines

Deal found 8/14

$397

vie. 9/57:35 amKTM - SIN

2 stops14h 25mMultiple Airlines

mié. 9/108:45 amSIN - KTM

1 stop11h 40mMultiple Airlines

Deal found 8/14

$397

vie. 9/57:35 amKTM - SIN

2 stops14h 25mMultiple Airlines

mar. 9/98:45 amSIN - KTM

1 stop11h 40mMultiple Airlines

Deal found 8/14

$401

Last-minute flights from Kathmandu to Singapore
Discover last-minute flight deals from Kathmandu to Singapore. Data last updated agosto 16, 2025 and is based on user searches.

sáb. 8/2312:20 amKTM - SIN

1 stop19h 10mEmirates

sáb. 9/131:40 amSIN - KTM

1 stop19h 00mEmirates

Deal found 8/15

$2,483

dom. 8/242:50 pmKTM - SIN

1 stop18h 05mMultiple Airlines

dom. 9/142:40 pmSIN - KTM

1 stop25h 35mMultiple Airlines

Deal found 8/15

$430

dom. 8/2410:50 pmKTM - SIN

Nonstop5h 10mSingapore Airlines

dom. 9/146:50 pmSIN - KTM

Nonstop5h 00mSingapore Airlines

Deal found 8/15

$843

dom. 8/2411:30 pmKTM - SIN

2 stops25h 30mChina Southern

sáb. 9/133:55 amSIN - KTM

1 stop20h 50mChina Southern

Deal found 8/15

$1,203

mar. 9/210:05 amKTM - SIN

2 stops11h 45mMultiple Airlines

lun. 9/88:30 pmSIN - KTM

1 stop12h 20mMultiple Airlines

Deal found 8/14

$347

mar. 9/210:05 amKTM - SIN

2 stops11h 45mMultiple Airlines

mié. 9/108:45 amSIN - KTM

1 stop13h 35mMultiple Airlines

Deal found 8/14

$365

mar. 9/210:05 amKTM - SIN

2 stops11h 45mMultiple Airlines

mar. 9/98:45 amSIN - KTM

1 stop11h 40mMultiple Airlines

Deal found 8/14

$372

mar. 9/210:05 amKTM - SIN

2 stops11h 45mMultiple Airlines

vie. 9/1210:30 amSIN - KTM

1 stop12h 00mMultiple Airlines

Deal found 8/14

$376

mar. 9/210:05 amKTM - SIN

2 stops11h 45mMultiple Airlines

jue. 9/118:45 amSIN - KTM

1 stop11h 40mMultiple Airlines

Deal found 8/14

$397

mié. 9/310:05 amKTM - SIN

2 stops11h 45mMultiple Airlines

lun. 9/88:30 pmSIN - KTM

1 stop12h 20mMultiple Airlines

Deal found 8/14

$408

jue. 9/46:30 amKTM - SIN

1 stop10h 45mAir India

lun. 9/88:30 pmSIN - KTM

1 stop12h 20mAir India

Deal found 8/14

$401

jue. 9/46:30 amKTM - SIN

1 stop10h 45mAir India

mar. 9/98:45 amSIN - KTM

1 stop13h 35mAir India

Deal found 8/14

$404

One-way flights from Kathmandu to Singapore
Search for one-way flight options from Kathmandu to Singapore. Find affordable one-way fares based on user searches. Data last updated agosto 16, 2025.

mié. 9/33:00 pmKTM - SIN

1 stop28h 00mMultiple Airlines

Deal found 8/14

$186

dom. 9/72:50 pmKTM - SIN

1 stop18h 05mThai Lion Air

Deal found 8/14

$193

mar. 9/92:50 pmKTM - SIN

1 stop18h 05mThai Lion Air

Deal found 8/14

$195

lun. 10/67:35 amKTM - SIN

2 stops14h 15mMultiple Airlines

Deal found 8/14

$198

dom. 8/242:50 pmKTM - SIN

1 stop18h 05mThai Lion Air

Deal found 8/15

$202

vie. 9/57:35 amKTM - SIN

2 stops14h 25mMultiple Airlines

Deal found 8/14

$203

sáb. 9/610:50 pmKTM - SIN

Nonstop5h 10mSingapore Airlines

Deal found 8/14

$209

sáb. 9/610:05 amKTM - SIN

2 stops18h 55mMultiple Airlines

Deal found 8/14

$231

jue. 9/410:05 amKTM - SIN

2 stops11h 45mMultiple Airlines

Deal found 8/14

$234

Cheapflights Fare Finder

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

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

mar. 9/2

10:05 am-12:05 am

2 stops11h 45m

Singapore Changi

lun. 9/8

8:30 pm-6:35 am

1 stop12h 20m

$347

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

mar. 9/2

10:05 am-12:05 am

2 stops11h 45m

Singapore Changi

mié. 9/10

8:45 am-8:05 pm

1 stop13h 35m

$365

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

mar. 9/2

10:05 am-12:05 am

2 stops11h 45m

Singapore Changi

mar. 9/9

8:45 am-6:10 pm

1 stop11h 40m

$372

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

vie. 9/5

7:35 am-12:15 am

2 stops14h 25m

Singapore Changi

lun. 9/8

8:30 pm-6:35 am

1 stop12h 20m

$376

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

mar. 9/2

10:05 am-12:05 am

2 stops11h 45m

Singapore Changi

vie. 9/12

10:30 am-8:15 pm

1 stop12h 00m

$376

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

mar. 9/2

10:05 am-12:05 am

2 stops11h 45m

Singapore Changi

jue. 9/11

8:45 am-6:10 pm

1 stop11h 40m

$397

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

vie. 9/5

7:35 am-12:15 am

2 stops14h 25m

Singapore Changi

mié. 9/10

8:45 am-6:10 pm

1 stop11h 40m

$397

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

jue. 9/4

6:30 am-7:30 pm

1 stop10h 45m

Singapore Changi

lun. 9/8

8:30 pm-6:35 am

1 stop12h 20m

$401

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

vie. 9/5

7:35 am-12:15 am

2 stops14h 25m

Singapore Changi

mar. 9/9

8:45 am-6:10 pm

1 stop11h 40m

$401

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

sáb. 9/6

6:30 am-7:30 pm

1 stop10h 45m

Singapore Changi

lun. 9/8

8:30 pm-6:35 am

1 stop12h 20m

$403

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 22 results

The best insider tips for Kathmandu to Singapore flights

Cheapflights partnered with top experts to bring you the best recommendations for your Kathmandu to Singapore trip

Airports

KTM

Arrive at least 3 hours early for your flight from KTM to ensure ample time for check-in, security, and immigration.

SIN

For a quick city transfer from SIN, use the Grab rideshare app. It's faster and cheaper than taxis, taking about 25 minutes to the city center.

Our travel experts

Sharad Ranabhat

Expert on KTM

Yulia Denisyuk

Expert on SIN

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 round-trip 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?

Booking 49 days in advance of your planned departure date is, on average, the best time to get cheap flights from Kathmandu to Singapore. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Kathmandu to Singapore?

Currently, October is the cheapest month in which you can book a flight from Kathmandu to Singapore (average of $991). Flying from Kathmandu to Singapore in December is currently the most expensive (average of $1,684). 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?

When flying from Kathmandu to Singapore, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 54% versus a flight at noon.

Weekly flight availability from Kathmandu to Singapore

The most flights from KTM to SIN are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost to fly round-trip from Kathmandu to Singapore?

What’s the top layover airport for flights from Kathmandu to Singapore?

Bangkok (BKK) – chosen by Cheapflights users on 50% of 1-stop itineraries from Kathmandu to Singapore on Cheapflights.

What’s the cheapest layover airport for flights from Kathmandu to Singapore?

Kuala Lumpur (KUL) is the most affordable 1-stop option, with an average round-trip price of $505.

What’s the fastest layover option from Kathmandu to Singapore?

Flights via Bangkok (BKK) have the shortest average one-way travel time for 1-stop routes: 7h 40m.

Which airport typically offers the quickest layover for flights from Kathmandu to Singapore?

Flights via New Delhi (DEL) offer the fastest connection on this route, with an average layover time of 1h 08m.

Reviews of airlines servicing Singapore

Read reviews from past customers who have flown Singapore Airlines, Thai Airways, and Thai AirAsia from Kathmandu to Singapore. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Singapore Airlines

8.1

Very good

1,347 reviews

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

Singapore Airlines

8.1

Very good

1,347 reviews

Singapore Airlines

8.1

Very good

1,347 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2025

DAD - SIN

Thai Airways

7.8

Good

343 reviews

Singapore Airlines

8.1

Very good

1,347 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2025

DAD - SIN

Thai AirAsia

7.5

Good

217 reviews

Singapore Airlines

8.1

Very good

1,347 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2025

DAD - SIN

Air India

5.5

Fair

2,930 reviews

Singapore Airlines

8.1

Very good

1,347 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2025

DAD - SIN

Related info for your journey

What airports do I use to fly from Kathmandu to Singapore?
If you wish to fly to Singapore from Kathmandu, then you need to book flights from Kathmandu Tribhuvan to Singapore Changi. There are 2 flights from Tribhuvan (KTM) to Changi (SIN) per day to choose from. Flights to Singapore from Tribhuvan are available from 4 different airlines, which means you should have some options if you want to compare airfare deals. 5h 05m is how long a nonstop flight from Kathmandu to Singapore Changi typically takes.
How popular is this Kathmandu to Singapore flight route?
The Kathmandu Tribhuvan to Singapore Changi flight path was viewed by 39 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
What are the cheapest airlines flying from Kathmandu to Singapore round-trip?
Currently priced at $366, Thai AirAsia will fly you from Kathmandu to Singapore and back. In addition to Thai AirAsia, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Singapore Airlines and Air India - these airlines can fly you to your destination from $400 and $444, respectively. Thai AirAsia is 38% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest flights from Kathmandu to Singapore?
On average you can expect to pay $1,221 for a flight from Kathmandu to Singapore. The cheapest flight overall is $284 while the most popular route, (Kathmandu Tribhuvan - Singapore Changi) is currently priced at $335.
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 vacation 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, October is the cheapest month in which you can book a flight from Kathmandu to Singapore (average of $991). Flying from Kathmandu to Singapore in December is currently the most expensive (average of $1,684). 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

Complete your trip

Singapore car rentals

Singapore Changi Airport car rentals

Yishun car rentals

Jurong West car rentals

Changi car rentals

Punggol car rentals

Woodlands car rentals

Chinatown car rentals

Little India car rentals

Jurong East car rentals

Toa Payoh car rentals

Balestier car rentals

Other flights to Singapore

Top 4 airlines flying from Kathmandu to Singapore

Airline	Cheapest	Average	Flexibility	On-time
Thai AirAsia	Cheapest$366	Average$419	FlexibilityNo cancel fee	On-time87%
Singapore Airlines	Cheapest$400	Average$646	FlexibilityNo cancel fee	On-time81%
Air India	Cheapest$444	Average$593	FlexibilityNo cancel fee	On-timeN/A
Thai Airways	Cheapest$515	Average$615	FlexibilityNo cancel fee	On-time77%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$186+ Cheap flights from Kathmandu (KTM) to Singapore (SIN)

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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Kathmandu to Singapore with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 Saturday

Cheap flight deals from Kathmandu to Singapore

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Kathmandu to Singapore

Cheapest flights from Kathmandu to SingaporeExplore 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 agosto 16, 2025.

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 agosto 16, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Kathmandu to Singapore that are best for you.

The best insider tips for Kathmandu to Singapore flights

Cheapflights partnered with top experts to bring you the best recommendations for your Kathmandu to Singapore trip

Airports

KTM

SIN

Our travel experts

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.

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 round-trip flight from Kathmandu to Singapore. Price data was last updated on August 8, 2025.

What is the cheapest month to book a flight from Kathmandu to Singapore?

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 agosto 16, 2025.

Weekly flight availability from Kathmandu to Singapore

Explore weekly flight availability from Kathmandu to Singapore. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated agosto 16, 2025.

How much does it cost to fly round-trip from Kathmandu to Singapore?

What’s the top layover airport for flights from Kathmandu to Singapore?

Share of 1-stop round-trip flights from Kathmandu to Singapore chosen by Cheapflights users in the past 12 months, using the same layover each way.

What’s the cheapest layover airport for flights from Kathmandu to Singapore?

Average round-trip fare for 1-stop flights from Kathmandu to Singapore, chosen by Cheapflights users in the past 12 months, with the same layover each way.

What’s the fastest layover option from Kathmandu to Singapore?

Shortest average travel time for 1-stop one-way flights from Kathmandu to Singapore, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Which airport typically offers the quickest layover for flights from Kathmandu to Singapore?

Average layover duration for 1-stop one-way flights from Kathmandu to Singapore, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Reviews of airlines servicing Singapore

Read reviews from past customers who have flown Singapore Airlines, Thai Airways, and Thai AirAsia from Kathmandu to Singapore. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

How popular is this Kathmandu to Singapore flight route?

What are the cheapest airlines flying from Kathmandu to Singapore round-trip?

What are the cheapest flights from Kathmandu to Singapore?

Can I find deals for flights from Kathmandu to Singapore that include hotel bookings?

How can I find direct flights from Kathmandu to Singapore?

Can I find deals for business class flights from Kathmandu to Singapore?

What is the cheapest month to book a flight from Kathmandu to Singapore?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Singapore by adding a car rental and/or hotel reservation to your travel itinerary.

Top 4 airlines flying from Kathmandu to Singapore

100% Free

Book with Flexibility

Travel Smart

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 agosto 16, 2025.