S$ 288 Find Cheap Flights from Singapore to Kathmandu – Compare and Save

Among airlines operating Singapore to Kathmandu flights:

• Singapore Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only Singapore Airlines operates flights between Singapore and Kathmandu.

Flights from Singapore to Kathmandu usually depart from Singapore Changi (SIN) and arrive at Kathmandu Tribhuvan (KTM).

Here are some options for this route, based on selected ticket types and cabin classes:

• Singapore Airlines: a cabin bag and a checked bag in Economy class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

Three cabin classes are available on flights from Singapore to Kathmandu:

• Economy class
• Premium Economy Class
• Business Class

On this route, stopover flights are cheaper than direct options on average. Stopover fares average S$ 543 return via Colombo Bandaranaike Intl (CMB), compared with S$ 985 for direct.

The Boeing 737 MAX 8 family is used most often on this route, operated mainly by Singapore Airlines. Other aircraft seen on the route include Boeing 787 Dreamliner variants.

One-stop flights from Singapore to Kathmandu most commonly connect through:

• Bangkok Suvarnabhumi (BKK) – 64% of one-stop connections
• New Delhi Indira Gandhi Intl (DEL) – 24% of one-stop connections
• Kuala Lumpur Intl (KUL) – 8% of one-stop connections
• Colombo Bandaranaike Intl (CMB) – 3% of one-stop connections

Bangkok Suvarnabhumi (BKK) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 12% on the Singapore to Kathmandu route. Tuesday is the cheapest departure day at S$ 717 return on average, while Wednesday is the most expensive at S$ 813, a difference of S$ 96. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Singapore to Kathmandu route, 20% of flights were delayed in the past 3 months, with delays averaging 1 hour 27 minutes.

Evening is the busiest departure period on Singapore to Kathmandu flights, with 100% leaving in that window. Morning departures account for 0%, Afternoon flights for 0%, and Night flights for 0%.

These are the earliest and latest flight times available from Singapore to Kathmandu:

• Earliest: departs at 18:50 and lands at 23:51
• Latest: departs at 18:55 and lands at 23:56.

The flight takes about 5h 01m.

Last-minute fares on this route (booked within 2 weeks of departure) run 9% above the route average of S$ 770. Book 21 weeks before departure for the lowest fares.

A direct flight from Singapore to Kathmandu takes 5h 01m, covering 5,689 km.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about S$ 533 to S$ 4,388. That means the highest observed fare was about 8x higher than the lowest one.

One-way fares from Singapore to Kathmandu are currently higher than usual. Average one-way flight prices are about S$ 378, which is 8% above the typical average for this route.

Singapore Airlines is the only airline operating Singapore to Kathmandu flights. 80% of its flights are on time.

Afternoon flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Bangkok Suvarnabhumi (BKK) gives the shortest average 1-stop total travel time of 8h 09m, compared to 8h 51m via Kuala Lumpur Intl (KUL) and 10h 32m via New Delhi Indira Gandhi Intl (DEL).

Kathmandu is 2 hours behind Singapore (Nepal Time vs Singapore Time). Plan for the time shift when scheduling connections or first-day activities.

Return flights from Singapore to Kathmandu range from S$ 646 to S$ 940, with an average of S$ 770 over the past 12 months. Anything below S$ 646 counts as a good deal.