Cheap Flights from Singapore to Kathmandu

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? 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 August.

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 foundRs39,275
Cheapest month to flyAugust
Average flight time5 hrs, 4 mins
Most popular airlineSingapore Airlines
Average flights per week14

Finding cheap flights from Singapore to Kathmandu: Frequently asked questions

The best price we found for a return flight from Singapore to Kathmandu is Rs82,101. 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 4 minutes is the average flight time from Singapore to Kathmandu.
Singapore Airlines and Garuda Indonesia fly direct from Singapore to Kathmandu.
As of August 2025, there are 14 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, 25 August 2025.
Yes – the average flight time is 5 hours and 4 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.

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

  • There are a couple of main airports where your trip can begin in Singapore. Check out your options leaving from Changi International Airport (SIN) or Seletar Airport (XSP) when planning your flight from Singapore to Tribhuvan International Airport (KTM).

  • Take off on a direct Singapore to Tribhuvan International Airport flight and you'll be in the air for around 5 hours 5 minutes.

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

  • You can choose from 7 direct services every week between Changi International Airport (SIN) and Tribhuvan International Airport (KTM). This is the busiest 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 tried-and-true travel tips. Make sure you're at the airport on time to catch your flight from Singapore to KTM.

  • If you're jetting off during a major holiday or other peak period, allow extra time. Arrive two hours before domestic flights and up to four hours before international departures. Check-in and security lines will be longer.

Airports in Singapore

Changi International Airport (SIN)

  • Changi International Airport (SIN) is a convenient option for travelling directly to your destination. Nonstop flights from Singapore to Tribhuvan International Airport (KTM) depart from this terminal.

  • Book your direct flight from Singapore to Tribhuvan International Airport with Singapore Airlines. This top airline operates services from SIN.

  • The top choice among passengers flying between SIN and KTM is Singapore Airlines.

  • The carrier with the most reliable on-time performance on this route is Singapore Airlines. Its services arrive as scheduled 68.85% of the time.

  • We make it easy to find cheap flights from Singapore to KTM with a stopover. To explore the options leaving from Changi International Airport (SIN), deselect 'Direct flights only.' Then, choose a flight that has a stop long enough to tour your chosen city. Major stopovers between SIN and KTM include:

    • Kuala Lumpur International Airport (KUL)

    • Suvarnabhumi Airport (BKK)

    • Don Mueang International Airport (DMK)

  • Travelling from central Singapore to SIN takes around 1 hour on public transport. If you drive, ride-share or grab a cab, you'll cover the 21 kilometres in 20 minutes or so, depending on traffic conditions.

  • Looking for a comfortable hotel close to Changi International Airport? If you've booked an early flight from Singapore to Tribhuvan International Airport, these stays will put you just around the corner from the terminal:

  • When it comes to Changi International Airport's on-time performance, 68.95% of flights meet their scheduled arrival time.

Seletar Airport (XSP)

About Tribhuvan International Airport (KTM)

  • Have a late flight from Singapore to Tribhuvan International Airport? Don't let it end in exhaustion. Check in to one of these hotels near KTM and turn in quicker:

  • Go beyond Kathmandu and discover places that aren't on most itineraries with your own wheels. You can pick up a Tribhuvan International Airport rental car from Spark Car.

  • Lock in the lowest price by reserving your ride around one week ahead of your Singapore to Tribhuvan International Airport flight.

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

  • The cheapest price we've found for a one-way ticket from Singapore to Tribhuvan International Airport is Rs39,275. For a return flight on this route, the best price is Rs82,101. Depending on the availability when you book, these fares may change.

  • Booking ahead of time is often the key to finding a cheap flight from Singapore to KTM. Airlines adjust prices based on demand, so the closer you get to departure, the more expensive your ticket may be.

  • If you're flexible with your travel plans, use the 'Whole month' search tool. It'll give you the lowest price in each month when searching for your Singapore to Tribhuvan International Airport ticket.

  • You don't need to search every day to find out if prices have dropped when you set up a Price Alert. We'll notify you the moment there's a better deal on flight tickets from Singapore to KTM.

  • Filters make it easier to dig up a deal for your flight from Singapore to Tribhuvan International Airport. Choose the flight times, carriers and stops that check all your boxes. Then sort the results by 'Cheapest' to bring up the lowest fares right away.

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

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

  • The warmest month in Kathmandu is June, with temperatures ranging between 17ºC and 28ºC. Lock in your Singapore to KTM flight ticket then if you enjoy this type of weather.

  • Look for cheap tickets from Singapore to Tribhuvan International Airport in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between 3ºC and 18ºC.

More about Kathmandu

  • After booking your flight from Singapore to Tribhuvan International Airport, find a hotel that keeps you close to what you want to see. Make one of these options your base for exploring Kathmandu:

  • There are loads of fantastic things to do in Kathmandu when you're in the mood to sightsee. Head straight for Kathmandu Durbar Square followed by Annapurna Base Camp Trek and Himalaya Discovery.

Explore more of Nepal

  • You've seen Kathmandu, now it's time to discover other parts of Nepal. Travel about 145 kilometres north-west to Pokhara to tick off its top sights. From Viewpoint to Pokhara Lakeside and Sarangkot sunrise pokhara, you've got a jam-packed schedule ahead.

  • If you're looking to explore another well-known destination in Nepal, consider Biratnagar, about 241 kilometres south-east of Kathmandu. Haleshi Mahadev Mandir, Birateshwor Shiva Temple and Shiva Mandir are among the biggest draws.

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