Direct (nonstop) flights from Delhi to Tehran
1 airline flys nonstop from Indira Gandhi International Airport (DEL) to Imam Khomeini (IKA). It's 1,589 miles (2,558 km), about 4h 13m in the air. Operated by Mahan Air.
Mahan Air
Route data last updated: May 31, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from Delhi to Tehran with one stop · direct emits 269 kg CO₂ per passenger
Looking for the return flight?
IKA → DEL: Flights from Tehran to DelhiOther direct flights from Delhi
Direct flights from Tehran (IKA)
Frequently Asked Questions
How long is the direct flight from Delhi to Tehran?
A nonstop flight from Delhi (DEL) to Tehran (IKA) takes approximately 4 hours and 13 minutes. The distance is 1,589 miles (2,558 km).
Which airlines fly nonstop from Delhi to Tehran?
Just Mahan Air.
Is there a nonstop flight from Delhi to Tehran?
Yes. 1 airline: Mahan Air.
How far is Delhi from Tehran?
The flight distance from Delhi to Tehran is 1,589 miles (2,558 km), measured as the great-circle (shortest air) distance.
What is the time difference between Delhi and Tehran?
Tehran is 2 hours behind Delhi. (Asia/Kolkata vs Asia/Tehran.)
What type of aircraft flies from Delhi to Tehran?
At 4h 13m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
Do I need a visa to travel from India to Iran?
Depends on your passport. Check with the Iran embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Delhi to Tehran?
Roughly 269 kg CO2 per passenger one-way. That's about the same as driving 1,345 km.
Is the return flight from Tehran 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 Tehran?
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.