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Cheap flights from Kathmandu to Singapore Changi

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Compare Kathmandu to Singapore Changi flight deals

Find the cheapest month or even day of the year to fly to Singapore Changi

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Flight deals from Kathmandu to Singapore Changi

Looking for a cheap last-minute deal or the best round-trip flight from Kathmandu to Singapore Changi? Find the lowest prices on one-way and round-trip tickets right here.
Singapore.C$417 per passenger.Departing Wed, Jul 23, returning Tue, Jul 29.Round-trip flight with Thai AirAsia and AirAsia.Outbound indirect flight with Thai AirAsia, departing from Kathmandu on Wed, Jul 23, arriving in Singapore Changi.Inbound indirect flight with AirAsia, departing from Singapore Changi on Tue, Jul 29, arriving in Kathmandu.Price includes taxes and charges.From C$417, select.
Singapore.C$425 per passenger.Departing Sun, Jul 27, returning Sun, Aug 3.Round-trip flight with IndiGo.Outbound indirect flight with IndiGo, departing from Kathmandu on Sun, Jul 27, arriving in Singapore Changi.Inbound indirect flight with IndiGo, departing from Singapore Changi on Sun, Aug 3, arriving in Kathmandu.Price includes taxes and charges.From C$425, select.
Singapore.C$426 per passenger.Departing Sat, Aug 2, returning Sun, Aug 10.Round-trip flight with Thai AirAsia and AirAsia.Outbound indirect flight with Thai AirAsia, departing from Kathmandu on Sat, Aug 2, arriving in Singapore Changi.Inbound indirect flight with AirAsia, departing from Singapore Changi on Sun, Aug 10, arriving in Kathmandu.Price includes taxes and charges.From C$426, select.
Singapore.C$437 per passenger.Departing Mon, Jun 30, returning Sun, Jul 6.Round-trip flight with IndiGo.Outbound indirect flight with IndiGo, departing from Kathmandu on Mon, Jun 30, arriving in Singapore Changi.Inbound indirect flight with IndiGo, departing from Singapore Changi on Sun, Jul 6, arriving in Kathmandu.Price includes taxes and charges.From C$437, select.
Singapore.C$457 per passenger.Departing Sun, Jun 29, returning Sun, Aug 24.Round-trip flight with IndiGo.Outbound indirect flight with IndiGo, departing from Kathmandu on Sun, Jun 29, arriving in Singapore Changi.Inbound indirect flight with IndiGo, departing from Singapore Changi on Sun, Aug 24, arriving in Kathmandu.Price includes taxes and charges.From C$457, select.
Singapore.C$460 per passenger.Departing Thu, Jun 26, returning Sun, Jun 29.Round-trip flight with IndiGo.Outbound indirect flight with IndiGo, departing from Kathmandu on Thu, Jun 26, arriving in Singapore Changi.Inbound indirect flight with IndiGo, departing from Singapore Changi on Sun, Jun 29, arriving in Kathmandu.Price includes taxes and charges.From C$460, select.
Singapore.C$530 per passenger.Departing Tue, Jul 22, returning Tue, Jul 29.Round-trip flight with Singapore Airlines.Outbound direct flight with Singapore Airlines departing from Kathmandu on Tue, Jul 22, arriving in Singapore Changi.Inbound direct flight with Singapore Airlines departing from Singapore Changi on Tue, Jul 29, arriving in Kathmandu.Price includes taxes and charges.From C$530, select.
Singapore.C$530 per passenger.Departing Sun, Aug 3, returning Sun, Aug 10.Round-trip flight with Singapore Airlines.Outbound direct flight with Singapore Airlines departing from Kathmandu on Sun, Aug 3, arriving in Singapore Changi.Inbound direct flight with Singapore Airlines departing from Singapore Changi on Sun, Aug 10, arriving in Kathmandu.Price includes taxes and charges.From C$530, select.

Find the cheapest month to fly from Kathmandu to Singapore Changi

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Kathmandu to Singapore Changi flights are currently cheapest in July.
Jun
from C$460
Jul
from C$417
Aug
from C$426
Sep
from C$539
Oct
from C$586
Nov
from C$589
Dec
from C$664
Jan
from C$592
Feb
from C$571
Mar
from C$685
Apr
from C$585
May
Find prices

Direct flights from Kathmandu to Singapore Changi

Kathmandu to Singapore Changi: Alternative routes

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

Kathmandu to Singapore: Flight information

The things to know before you go.
Cheapest flight foundC$417
Cheapest month to flyJuly
Average flight time4 hrs, 59 mins
Most popular airlineSingapore Airlines
Average flights per week15

Finding cheap flights from Kathmandu to Singapore Changi: Frequently asked questions

The best price we found for a round-trip flight from Kathmandu to Singapore Changi is C$417. 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.
4 hours and 59 minutes is the average flight time from Kathmandu to Singapore Changi.
Singapore Airlines and Garuda Indonesia fly direct from Kathmandu to Singapore Changi.
There are 15 flights per week flying from Kathmandu to Singapore Changi, as of June 2025.
The cheapest month to fly from Kathmandu to Singapore Changi is usually June 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kathmandu Airport to Singapore Changi Airport on Wednesday, July 23, 2025.
Yes – the average flight time is 4 hours and 59 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 Singapore Changi 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 Singapore is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Thai AirAsia and Singapore Airlines offer the cheapest flight tickets to Singapore Changi.

Flying from Tribhuvan International Airport (KTM) to Changi International Airport (SIN): what you need to know

  • Take a direct flight from Tribhuvan International Airport to Changi International Airport and you'll be in the air for an average of 5 hours 5 minutes.

  • Singapore's timezone is UTC+8, making Singapore two hours 12 minutes ahead of Kathmandu.

  • Choose from ten weekly Tribhuvan International Airport to Changi International Airport flights. The 15:05 departure with Singapore Airlines is the earliest available. Singapore Airlines operates the latest service of the day at 23:10.

  • Get to the airport on time so you don't miss your KTM to SIN flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid a last-minute sprint to the gate.

  • During popular months such as September, it's best to get to the airport earlier than normal. Plan to arrive two hours before a domestic departure and four hours ahead of international flights whenever you're travelling during a peak period in general.

  • Singapore Airlines has direct flights from Tribhuvan International Airport to Changi International Airport. Book with this popular carrier, then get ready to tick off the sights in Singapore — and maybe even more of Singapore if time allows.

  • Singapore Airlines is the most frequently booked airline on this route.

  • The carrier with the most consistent on-time arrival rate for KTM to SIN flights is Singapore Airlines.

  • If you'd like to break up your flight, simply uncheck 'Direct flights only' when searching for your ticket from Tribhuvan International Airport to Changi International Airport. These are the top stopovers between KTM and SIN:

    • Suvarnabhumi Airport

    • Kuala Lumpur International Airport

    • Hazrat Shahjalal International Airport

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

  • Right now, C$196 is the cheapest price we've found for a one-way Tribhuvan International Airport to Changi International Airport flight. The best price for a return ticket is C$417. Bear in mind that fares could change due to demand when booking.

  • Get cheap tickets from KTM to SIN by booking two months ahead. According to our research, that's the sweet spot for finding the biggest deals.

  • January is the cheapest month for flights from Tribhuvan International Airport to Changi International Airport. If you prefer to travel at a different time of year, the 'Whole month' tool will give you the lowest prices for every month.

  • Picking up cheap flights from KTM to SIN couldn't be easier with Price Alerts. All you need to do is create one of these automatic alerts and we'll get in touch when a lower fare pops up.

  • Secure the ideal flight for you with the help of the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Tribhuvan International Airport to Changi International Airport, use the 'Sort by' function. You can also filter results by departure and arrival times, airline, and number of stops.

Handy information about Tribhuvan International Airport (KTM)

  • Tribhuvan International Airport is about 5 kilometres from central Kathmandu. If you're catching a cab, ride-sharing or driving from the centre, it'll take you 15 minutes or so to arrive, depending on the traffic.

  • Need a handy hotel near KTM? If you're boarding an early flight from Tribhuvan International Airport to Changi International Airport, these accommodation options will have you moments from your departure gate:

Arriving at Changi International Airport (SIN)

  • The last thing you want is a long journey to your hotel if you're landing late on a Tribhuvan International Airport to Changi International Airport flight. Book one of these accommodation options near SIN instead:

  • Pick up a Changi International Airport rental car and discover Singapore and beyond with your own wheels. Avis, Sixt and Green Motion are top providers to choose from here.

  • Lock in the lowest price by booking your ride from Changi International Airport around two weeks before your departure date.

Getting from Changi International Airport (SIN) to central Singapore

  • Changi International Airport to central Singapore has a drive time of around 20 minutes. It's approximately 21 kilometres away.

  • Getting there by public transport takes about 1 hour.

When to fly to Changi International Airport (SIN)

  • April is the busiest month for flights from Tribhuvan International Airport to Changi International Airport. To escape the crowds, go to Singapore in February.

  • When reserving your flight from Tribhuvan International Airport to Changi International Airport, consider the type of weather you like. May is the warmest month in Singapore, with temperatures ranging from 25ºC (77ºF) to 31ºC (88ºF).

  • If you like cooler conditions, look for a cheap ticket from KTM to SIN in January. Temperatures average between 24ºC (75ºF) and 30ºC (86ºF) then.

More travel options

Plan the rest of your trip from Kathmandu to Singapore

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