Direct (nonstop) flights from Kathmandu to Delhi

5 airlines fly nonstop from Tribhuvan International (KTM) to Indira Gandhi International Airport (DEL). It's 507 miles (816 km), about 1h 55m in the air. Operated by IndiGo, Air India, Bhutan Airlines and others.

KTM
Tribhuvan International
🇳🇵 Kathmandu, Nepal
DEL
Indira Gandhi International Airport
🇮🇳 Delhi, India
Flight Time
1h 55m
Distance
507 mi
816 km
CO₂/pax
94 kg
−48 kg vs. layover
Airlines
5
IndiGo +4
Time Diff
Same timezone
Operated by IndiGo IndiGo Air India Air India Bhutan Airlines Bhutan Airlines Nepal Airlines Nepal Airlines FlexFlight FlexFlight

Route data last updated: May 28, 2026

Airlines with non-stop flights

IndiGo 6E IndiGo
Route
KTM → DEL
Flight Time
1h 55m
Distance
507 mi
Air India AI Air India
Route
KTM → DEL
Flight Time
1h 55m
Distance
507 mi
Bhutan Airlines B3 Bhutan Airlines
Route
KTM → DEL
Flight Time
1h 55m
Distance
507 mi
Nepal Airlines RA Nepal Airlines
Route
KTM → DEL
Flight Time
1h 55m
Distance
507 mi
FlexFlight W2 FlexFlight
Route
KTM → DEL
Flight Time
1h 55m
Distance
507 mi

Alternative Routes

Other ways to fly from Kathmandu to Delhi with one stop · direct emits 94 kg CO₂ per passenger

KTM VNS (Varanasi) DEL
Leg 1: 1h 5m (219 mi) Leg 2: 1h 35m (414 mi) Total: ~2h 40m 🍃 142 kg CO₂ (+51% vs. direct)
Leg 1
KTM → VNS
1h 5m · 219 mi
View KTM to VNS flights →
Leg 2
VNS → DEL
1h 35m · 414 mi
View VNS to DEL flights →
KTM KTM (Kathmandu) DEL
Leg 1: 1h (0 mi) Leg 2: 1h 55m (507 mi) Total: ~2h 55m 🍃 119 kg CO₂ (+27% vs. direct)
Leg 1
KTM → KTM
1h · 0 mi
View KTM to KTM flights →
Leg 2
KTM → DEL
1h 55m · 507 mi
View KTM to DEL flights →
KTM PBH (Paro) DEL
Leg 1: 1h (250 mi) Leg 2: 2h 20m (756 mi) Total: ~3h 20m 🍃 211 kg CO₂ (+124% vs. direct)
Leg 1
KTM → PBH
1h · 250 mi
View KTM to PBH flights →
Leg 2
PBH → DEL
2h 20m · 756 mi
View PBH to DEL flights →
KTM DAC (Dhaka) DEL
Leg 1: 1h 25m (411 mi) Leg 2: 2h 45m (887 mi) Total: ~4h 10m 🍃 265 kg CO₂ (+182% vs. direct)
Leg 1
KTM → DAC
1h 25m · 411 mi
View KTM to DAC flights →
Leg 2
DAC → DEL
2h 45m · 887 mi
View DAC to DEL flights →
KTM CCU (Kolkata) DEL
Leg 1: 1h 45m (397 mi) Leg 2: 2h 30m (815 mi) Total: ~4h 15m 🍃 249 kg CO₂ (+165% vs. direct)
Leg 1
KTM → CCU
1h 45m · 397 mi
View KTM to CCU flights →
Leg 2
CCU → DEL
2h 30m · 815 mi
View CCU to DEL flights →

Looking for the return flight?

DEL → KTM: Flights from Delhi to Kathmandu

Frequently Asked Questions

How long is the direct flight from Kathmandu to Delhi?

A nonstop flight from Kathmandu (KTM) to Delhi (DEL) takes approximately 1 hours and 55 minutes. The distance is 507 miles (816 km).

Which airlines fly nonstop from Kathmandu to Delhi?

5 airlines: IndiGo, Air India, Bhutan Airlines, Nepal Airlines, FlexFlight.

Is there a nonstop flight from Kathmandu to Delhi?

Yes. 5 airlines: IndiGo, Air India, Bhutan Airlines, Nepal Airlines, FlexFlight.

How far is Kathmandu from Delhi?

The flight distance from Kathmandu to Delhi 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 Kathmandu to Delhi?

At 1h 55m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.

Do I need a visa to travel from Nepal to India?

Depends on your passport. Check with the India embassy or an official visa portal before booking — requirements change.

What is the carbon footprint of a flight from Kathmandu to Delhi?

Roughly 94 kg CO2 per passenger one-way. That's about the same as driving 470 km.

Is the return flight from Delhi to Kathmandu 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 Kathmandu to Delhi?

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 Tribhuvan International for this flight?

3 hours before departure for international flights. You need time for check-in, security, and immigration.