Distance From Imam Khomeini International Airport to Ontario International Airport, IKA - ONT Distance

The distance from Imam Khomeini International Airport (IKA) to Ontario International Airport (ONT) is 7582 miles or 12202 kilometers or 6584 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

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How long does it take to travel from Tehran ( Iran ) to Ontario ( United States )?

A one-way nonstop (direct) flight between Tehran and Ontario takes around 17 hours 25 minutes.

Estimated flight time from Imam Khomeini International Airport, Tehran, Iran to Ontario International Airport, Ontario, United States is 17 hours 25 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • IKA - ONT

Kilometers		12202 km
Statute Miles		7582 miles
Nautical Miles		6584 nm
Avg. Time of Flight		17 hours 25 minutes

Imam Khomeini International Airport to Ontario International Airport Flight Route Map - IKA to ONT Flight Path

Location of Imam Khomeini International Airport & Ontario International Airport is given below.
Click the map to view Tehran to Ontario nonstop flight path and travel direction.

Click to see flight route on Google Map between Tehran, Iran and Ontario, United States. .

Nonstop flight route between Tehran, Iran and Ontario, United States.

Time Difference Between the Airports • IKA - ONT

Time difference between Tehran (Iran) and Ontario (United States) is 10 Hours 30 Minutes.
Ontario time is 10 Hours 30 Minutes behind Tehran.

Location	Local Time
Tehran (Iran)	2026-03-15, 10:55:51 +0330
Ontario (United States)	2026-03-15, 00:25:51 PDT

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

Imam Khomeini International Airport (IKA / OIIE) Tehran, Iran

Destination

Ontario International Airport (ONT / KONT) Ontario, United States