Cheap Flights from Singapore (SINS) to Kathmandu (KTM)

Compare Singapore to Kathmandu flight deals

Find the cheapest month or even day of the year to fly to Kathmandu

Book the best Kathmandu fare with no extra fees

Flight deals from Singapore to Kathmandu

Looking for a cheap last-minute deal or the best return flight from Singapore to Kathmandu Airport? If you want to travel next month, return fares start from $597. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Singapore to Kathmandu

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Singapore to Kathmandu flights are currently cheapest in September.

Direct flights from Singapore to Kathmandu

Singapore to Kathmandu: Alternative routes

Compare routes from Singapore to Kathmandu below. You may find an airport to fly into that's cheaper, faster, or easier than Kathmandu.

Singapore to Kathmandu: Flight information

The things to know before you go.
Cheapest flight found$520
Cheapest month to flyAugust
Average flight time5 hrs, 2 mins
Most popular airlineSingapore Airlines
Average flights per week15

Finding cheap flights from Singapore to Kathmandu: Frequently asked questions

The best price we found for a return flight from Singapore to Kathmandu is $520. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
5 hours and 2 minutes is the average flight time from Singapore to Kathmandu.
Singapore Airlines and Garuda Indonesia fly direct from Singapore to Kathmandu.
As of June 2026, there are 15 flights per week flying from Singapore to Kathmandu.
The cheapest month to fly from Singapore to Kathmandu is usually August.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Singapore to Kathmandu Airport on Monday, 3 August 2026.
Yes – the average flight time is 5 hours and 2 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Kathmandu but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Kathmandu is around 40 days in advance, so don’t leave your flight to the last minute.

Travelling from Singapore to Kathmandu Tribhuvan International Airport (KTM): What you need to know

  • Planning your holiday begins with working out where you'll leave from in Singapore. Singapore Changi Airport (SIN) is the city's main base, so explore your options for reserving a flight from Singapore to Kathmandu Tribhuvan International Airport (KTM) leaving from here.

  • Expect to be in the air for 5 hours 5 minutes. That's the average time for a direct Singapore to Kathmandu Tribhuvan International Airport flight.

  • Kathmandu Tribhuvan International Airport is located in Kathmandu. The city is in the UTC+5:47 timezone and is two hours 12 minutes behind Singapore.

  • Choose from 7 direct services a week between Singapore Changi Airport (SIN) and Kathmandu Tribhuvan International Airport (KTM). This is the most popular route, with Singapore Airlines offering a 5:15pm departure from SIN to KTM.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Be at the airport with enough time to board your flight from Singapore to KTM.

  • You'll likely experience longer lines during popular months such as February and other peak seasons. Arriving up to four hours in advance for international flights and two hours for domestic departures is a smart move.

Airports in Singapore

Singapore Changi Airport (SIN)

  • Singapore Changi Airport (SIN) offers an easy route to your destination. Nonstop flights from Singapore to Kathmandu Tribhuvan International Airport (KTM) depart from this terminal.

  • You can travel on a direct flight from Singapore to Kathmandu Tribhuvan International Airport with Singapore Airlines. This leading airline operates departures from SIN.

  • The airline with the highest booking numbers between SIN and KTM is Singapore Airlines.

  • The carrier with the most reliable on-time performance on this route is Singapore Airlines. Its services land as planned 76.92% of the time.

  • Think about adding a stopover to find cheap flights from Singapore to KTM. Just uncheck 'Direct flights only' when searching for departures from Singapore Changi Airport (SIN). Make a stop (and maybe make your fare cheaper) by passing through one of these airports:

    • Kuala Lumpur International Airport (KUL)

    • Bangkok Suvarnabhumi International Airport (BKK)

    • Bangkok Don Mueang International Airport (DMK)

  • The journey from central Singapore to SIN takes around 40 minutes by public transport. If you drive, ride-share or take a taxi, you'll cover the 19 kilometres in 25 minutes or so, depending on traffic conditions.

  • Catching an early flight from Singapore to Kathmandu Tribhuvan International Airport? Avoid rushing to the terminal (and sneak in some extra snooze time) by picking one of these stays close to Singapore Changi Airport:

  • 74% of flights leaving from Singapore Changi Airport touch down at their destination on time.

Seletar Airport (XSP)

  • The distance from Singapore's city centre to XSP is around 14 kilometres. Consider the available transport options and possible delays when working out the best route to the airport.

  • Got a crack-of-dawn departure? You might like to check in to one of these hotels near Seletar Airport the day before your Singapore to KTM flight:

  • Seletar Airport has a solid reputation for punctual service. 82% of flights out of here arrive right on target.

About Kathmandu Tribhuvan International Airport (KTM)

  • Reserve a hotel close to KTM if you're catching a late flight from Singapore to Kathmandu Tribhuvan International Airport. Select one of these options and end the night sooner:

  • Booking your ride around one week ahead of your Singapore to Kathmandu Tribhuvan International Airport flight can help you secure the lowest rate.

Getting from Kathmandu Tribhuvan International Airport (KTM) to central Kathmandu

  • Central Kathmandu is around 6 kilometres from Kathmandu Tribhuvan International Airport and takes about 30 minutes to reach by car. See what your options are for heading into the city, whether that's with a car hire, taxi or ride-share.

  • If you're using public transport, expect a journey of roughly 40 minutes.

How to find the cheapest flights from Singapore to Kathmandu Tribhuvan International Airport (KTM)

  • $251 is currently the lowest price for a one-way ticket from Singapore to Kathmandu Tribhuvan International Airport. Return flights start from $520. These prices may change based on demand.

  • To pick up cheap flights from Singapore to KTM, book early. Airlines usually offer their most competitively priced fares when tickets first go on sale.

  • If you can be flexible with your travel plans, use the 'Whole month' tool. It'll give you the cheapest price across each month when searching for your Singapore to Kathmandu Tribhuvan International Airport ticket.

  • Be the first to know about deals for plane tickets from Singapore to KTM by setting up a Price Alert. We'll send you an email or notification on the app when a lower fare pops up.

  • Tailor your trip using filters. Select your ideal arrival and departure times, total journey duration and airlines. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest' flights from Singapore to Kathmandu Tribhuvan International Airport.

The best time to fly from Singapore to Kathmandu Tribhuvan International Airport (KTM)

  • December is the quietest month for flights from Singapore to Kathmandu Tribhuvan International Airport (KTM), while February is the most popular. Find the ideal time to go to Kathmandu based on whether you prefer a lively atmosphere or a more laid-back vibe.

  • Before locking in your Singapore to KTM plane ticket, consider what kind of weather works for you. June is the warmest month in Kathmandu, with temperatures ranging from 17ºC (63ºF) to 30ºC (86ºF).

  • If you want to travel in cooler conditions, look for a cheap ticket from Singapore to Kathmandu Tribhuvan International Airport in January when temperatures are between 3ºC (37ºF) and 19ºC (66ºF).

More about Kathmandu

  • After booking your flight from Singapore to Kathmandu Tribhuvan International Airport, find a hotel that offers a good mix of location and comfort. Make one of these accommodation options your base for exploring Kathmandu:

  • There are so many things to discover in this city, it can be hard to figure out where to begin. Kathmandu Durbar Square, Boudhanath Stupa and Swayambhunath Stupa are leading attractions which should be on every Kathmandu itinerary.

Explore more of Nepal

  • You've done Kathmandu, now it's time to explore other corners of Nepal. Travel around 145 kilometres northwest to Pokhara to tick off its top sights. From Phewa Lake to Parahawking and Sarangkot View Point, you've got a jam-packed schedule ahead.

  • Around 241 kilometres southeast of Kathmandu, Biratnagar is another favourite stop in Nepal. Experience major highlights starting with Haleshi Mahadev Mandir, Birateshwor Shiva Temple and ISKCON Jaljala.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.