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$145+ 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.
KTM — SIN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Kathmandu Tribhuvan to Singapore Changi are usually found in August or July, booked 49 days in advance, depart on a Thursday or Tuesday 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 June 12, 2025.

Round-trip from

$325
(Kiwi.com)

One-way from

$145
(Kiwi.com)

Popular in

May

Cheapest in

August

Average price

$484

Good round-trip deal

$573 or less

Good one-way deal

$713 or less
From Kathmandu Tribhuvan to Singapore Changi
Search Deals
One-way flight from Kathmandu Tribhuvan to Singapore Changi
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Highest demand for flights based on searches. 3% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Kathmandu Tribhuvan to Singapore Changi.
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Price to beat on a one-way flight from Kathmandu Tribhuvan to Singapore Changi.
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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 June 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/87:35 amKTM - SIN
2 stops14h 15mMultiple Airlines
Tue 7/157:55 amSIN - KTM
1 stop9h 05mMultiple Airlines
Deal found 6/10$325
This Booking.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/172:00 pmKTM - SIN
1 stop25h 30mIndiGo
Wed 7/237:45 pmSIN - KTM
1 stop19h 30mIndiGo
Deal found 6/12$326
This Singapore Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/811:00 pmKTM - SIN
Nonstop5h 05mSingapore Airlines
Tue 7/156:55 pmSIN - KTM
Nonstop5h 05mSingapore Airlines
Deal found 6/10$394
This Gotogate deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/176:30 amKTM - SIN
2 stops27h 10mAir India
Wed 7/231:00 pmSIN - KTM
2 stops19h 50mAir India
Deal found 6/12$445
This Malaysia Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2010:45 pmKTM - SIN
1 stop10h 25mMalaysia Airlines
Thu 7/241:40 pmSIN - KTM
1 stop10h 20mMalaysia Airlines
Deal found 6/10$495
This China Southern deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Southern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2012:50 pmKTM - SIN
1 stop25h 45mChina Southern
Wed 7/233:55 amSIN - KTM
1 stop20h 50mChina Southern
Deal found 6/10$560
This Expedia deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1011:55 amKTM - SIN
2 stops36h 20mAir China
Wed 8/133:30 amSIN - KTM
2 stops33h 40mAir China
Deal found 6/10$647
This Gotogate deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/174:35 pmKTM - SIN
1 stop16h 30mChina Eastern
Tue 7/222:30 amSIN - KTM
1 stop15h 20mChina Eastern
Deal found 6/12$789

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated June 12, 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

Tue 7/8

7:35 am-12:05 am

2 stops14h 15m

Singapore Changi

Tue 7/15

7:55 am-2:45 pm

1 stop9h 05m

$325

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Thu 7/17

2:00 pm-5:45 pm

1 stop25h 30m

Singapore Changi

Wed 7/23

7:45 pm-1:00 pm

1 stop19h 30m

$326

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Tue 7/8

11:00 pm-6:20 am

Nonstop5h 05m

Singapore Changi

Tue 7/15

6:55 pm-9:45 pm

Nonstop5h 05m

$394

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Thu 7/17

6:30 am-11:55 am

2 stops27h 10m

Singapore Changi

Wed 7/23

1:00 pm-6:35 am

2 stops19h 50m

$445

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Sun 7/20

10:45 pm-11:25 am

1 stop10h 25m

Singapore Changi

Thu 7/24

1:40 pm-9:45 pm

1 stop10h 20m

$495

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Sun 7/20

12:50 pm-4:50 pm

1 stop25h 45m

Singapore Changi

Wed 7/23

3:55 am-10:30 pm

1 stop20h 50m

$560

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Sun 8/10

11:55 am-2:30 am

2 stops36h 20m

Singapore Changi

Wed 8/13

3:30 am-10:55 am

2 stops33h 40m

$647

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Thu 7/17

4:35 pm-11:20 am

1 stop16h 30m

Singapore Changi

Tue 7/22

2:30 am-3:35 pm

1 stop15h 20m

$789

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Mon 8/25

4:20 pm-10:15 pm

2 stops27h 40m

Singapore Changi

Wed 8/27

9:10 pm-3:40 pm

1 stop20h 45m

$2,270

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Sun 7/20

10:05 am-10:15 am

2 stops21h 55m

Singapore Changi

Wed 7/23

3:10 am-4:45 pm

1 stop15h 50m

$2,276

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 20 results
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The best insider tips for Kathmandu to Singapore flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
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.

Read more about KTMby Sharad Ranabhat
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.

Read more about SINby Yulia Denisyuk
Our travel experts
Sharad Ranabhat

Sharad Ranabhat

Expert on KTM

Sharad Ranabhat

Sharad Ranabhat

Sharad, a Nepal-based aviation journalist, is passionate about uncovering the latest in airline news and airport reviews. When he's not diving into the world of aviation, you’ll find him exploring new destinations and sharing stories that connect and inspire.

Read more
Yulia Denisyuk

Yulia Denisyuk

Expert on SIN

Yulia Denisyuk

Yulia Denisyuk

Yulia is a freelance journalist who’s dispatched from 90+ countries. Her work focuses on cultures, adventure trips and air travel, appearing in NatGeo, NYT, CNTraveler, and more. For past assignments, she’s stayed with nomads in Mongolia and learned the art of Imigongo in Rwanda. She’s based in Chicago; in winter she often questions that decision.

Read more

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?

Use this chart to determine the optimal time to book a round-trip flight from Kathmandu to Singapore. Price data was last updated on June 9, 2025.

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, September is the cheapest month in which you can book a flight from Kathmandu to Singapore (average of $1,011). 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?

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 June 12, 2025.

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.

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

Use this chart to determine the cheapest time to fly round-trip from Kathmandu to Singapore. Price data was last updated on December 16, 2024.

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.

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 June 12, 2025.

The most flights from KTM to SIN are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Singapore by month

Plan your trip to Singapore by taking into account the average rainfall totals by month.

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.

Temperature in Singapore by month

Plan your trip to Singapore by taking into account the average temperature totals by month.

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).

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 June 12, 2025.
Singapore Airlines
8.1
Very good
1,302 reviews

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.1

Food

7.7

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Singapore Airlines
8.1
Very good
1,302 reviews
Singapore Airlines
8.1
Very good
1,302 reviews

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.1

Food

7.7

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Thai Airways
7.7
Good
335 reviews
Singapore Airlines
8.1
Very good
1,302 reviews

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.1

Food

7.7

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
China Southern
7.5
Good
99 reviews
Singapore Airlines
8.1
Very good
1,302 reviews

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.1

Food

7.7

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Thai AirAsia
7.5
Good
214 reviews
Singapore Airlines
8.1
Very good
1,302 reviews

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.1

Food

7.7

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Qatar Airways
7.4
Good
3,584 reviews
Singapore Airlines
8.1
Very good
1,302 reviews

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.1

Food

7.7

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

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?

    If you wish to fly to Singapore from Kathmandu, then you need to book flights from Kathmandu Tribhuvan to Singapore Changi. There is 1 flight 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 53 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 $326, IndiGo will fly you from Kathmandu to Singapore and back. In addition to IndiGo, 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 $394 and $445, respectively. IndiGo is 43% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airline one-way is IndiGo, with whom users have recently found tickets for as low as $184. However, be on the lookout for offers from Singapore Airlines and Air India, as they are both options that can get you from Kathmandu to Singapore for a low price.

  • What are the cheapest flights from Kathmandu to Singapore?

    On average you can expect to pay $1,808 for a flight from Kathmandu to Singapore. The cheapest flight overall is $391 while the most popular route, (Kathmandu Tribhuvan - Singapore Changi) is currently priced at $585.

  • 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, September is the cheapest month in which you can book a flight from Kathmandu to Singapore (average of $1,011). 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

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

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 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest$366Average$419FlexibilityNo cancel feeOn-time87%
Singapore AirlinesCheapest$424Average$601FlexibilityNo cancel feeOn-time81%
Thai AirwaysCheapest$492Average$570FlexibilityNo cancel feeOn-time77%
Air IndiaCheapest$534Average$595FlexibilityNo cancel feeOn-timeN/A

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