The flight distance from Indira Gandhi International Airport (DEL) in New Delhi, India to Mehrabad International Airport (THR) in Tehran, Iran is 2,545 kilometers (1,582 miles / 1,374 nautical miles). The estimated flight time for this route is approximately 4h, flying west northwest at a heading of 295°.

This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

This is an international route connecting India with Iran. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 03:16 in New Delhi, it's 01:16 in Tehran.

There is a significant elevation difference of 3,185 feet between the two airports. Mehrabad International Airport sits higher than Indira Gandhi International Airport.

The return flight from Tehran (THR) to New Delhi (DEL) follows a heading of 101° (east). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Indira Gandhi International Airport (DEL) and Mehrabad International Airport (THR) detail pages, or use our flight duration calculator to compare other routes.