Which airlines fly direct between Kathmandu and Singapore?

Airlines operating direct flights include Nepal Airlines, Qatar Airways, Singapore Airlines, Scoot.

What is the cheapest fare for this route?

Recorded one-way fares on Prymeo start from as low as $249 depending on season and advance booking.

Home FlightsKathmandu to Singapore

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Flights from Kathmandu to Singapore

Q: How long is the flight from Kathmandu to Singapore?

The average nonstop flight time from Kathmandu (KTM) to Singapore (SIN) is approximately 4h 45m covering a distance of 3537 km.

Tribhuvan International (KTM) → Singapore Changi Airport (SIN)

Fares From$249

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Flight Time

4h 45m

Nonstop average

Distance

3537 km

Air route corridor

Best Time to Fly

November - March (Dry tropical season)

Pleasant weather

Extra Fees

$0.00

Zero commission

Route Overview: Kathmandu to Singapore

Cheap flights from Kathmandu (KTM) to Singapore (SIN). Compare Nepal Airlines fares from $249 with 0% fees on Prymeo.

Prymeo aggregates real-time flight availability directly from both low-cost carriers and legacy full-service airlines. When searching for tickets between Tribhuvan International and Singapore Changi Airport, our technology checks multiple booking systems in parallel so you never miss a flash sale or promotional discount.

Direct Carriers on This Corridor

Nepal Airlines

Qatar Airways

Singapore Airlines

Scoot

Quick Flight Facts & Corridor Specifications

Live Verified Data

Route Corridor	Kathmandu (KTM) to Singapore (SIN)
Flight Distance	3,537 kilometers / 2,198 miles
Average Flight Duration	4h 45m (nonstop)
Starting Fare	From $249 (0% added booking fees)
Operating Airlines	Nepal Airlines, Qatar Airways, Singapore Airlines, Scoot
Optimal Travel Season	November - March (Dry tropical season)

Return Flight Route

Singapore (SIN) to Kathmandu (KTM)

Nonstop return tickets from $249 · 0% booking markup

View Return Leg

Frequently Asked Questions About This Route

How long is the flight from Kathmandu to Singapore?

The nonstop flight takes approximately 4h 45m, traversing 3537 km.

How far in advance should I book my flight?

For the best rates, we recommend booking between 3 to 6 weeks before your desired departure date, particularly during peak summer and holiday seasons.