Direct (nonstop) flights from Delhi to Kathmandu
5 airlines fly nonstop from Indira Gandhi International Airport (DEL) to Tribhuvan International (KTM). It's 507 miles (816 km), about 1h 45m in the air. Operated by IndiGo, Air India, Bhutan Airlines and others.
IndiGo
Air India
Bhutan Airlines
Nepal Airlines
FlexFlight
Route data last updated: May 28, 2026
Airlines with non-stop flights
B3
Bhutan Airlines
Alternative Routes
Other ways to fly from Delhi to Kathmandu with one stop · direct emits 94 kg CO₂ per passenger
Looking for the return flight?
KTM → DEL: Flights from Kathmandu to DelhiOther direct flights from Delhi
Direct flights from Kathmandu (KTM)
Frequently Asked Questions
How long is the direct flight from Delhi to Kathmandu?
A nonstop flight from Delhi (DEL) to Kathmandu (KTM) takes approximately 1 hours and 45 minutes. The distance is 507 miles (816 km).
Which airlines fly nonstop from Delhi to Kathmandu?
5 airlines: IndiGo, Air India, Bhutan Airlines, Nepal Airlines, FlexFlight.
Is there a nonstop flight from Delhi to Kathmandu?
Yes. 5 airlines: IndiGo, Air India, Bhutan Airlines, Nepal Airlines, FlexFlight.
How far is Delhi from Kathmandu?
The flight distance from Delhi to Kathmandu is 507 miles (816 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as Mumbai to Goa.
What type of aircraft flies from Delhi to Kathmandu?
At 1h 45m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
Do I need a visa to travel from India to Nepal?
Depends on your passport. Check with the Nepal embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Delhi to Kathmandu?
Roughly 94 kg CO2 per passenger one-way. That's about the same as driving 470 km.
Is the return flight from Kathmandu to Delhi also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Delhi to Kathmandu?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Indira Gandhi International Airport for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.