The distance from Stevenson Airport () to Ontario International Airport (ONT) is 1805 miles or 2904 kilometers or 1567 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.
2904 kilometers is the direct flight distance between Stevenson Airport (United States) and Ontario International Airport (United States).
How long does it take to travel from Stevenson ( United States ) to Ontario ( United States )?
A one-way nonstop (direct) flight between Stevenson and Ontario takes around 4 hours 8 minutes.
Estimated
flight time from Stevenson Airport, Stevenson, United States to Ontario International Airport, Ontario, United States is
4 hours 8 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 • - ONT
| Kilometers | | 2904 km |
| Statute Miles | | 1805 miles |
| Nautical Miles | | 1567 nm |
| Avg. Time of Flight | | 4 hours 8 minutes |
Stevenson Airport to Ontario International Airport Flight Route Map - to ONT Flight Path
Location of Stevenson Airport & Ontario International Airport is given below.
Click the map to view Stevenson to Ontario nonstop flight path and travel direction.
Click to see flight route on Google Map between Stevenson, United States and Ontario, United States. .
Nonstop flight route between Stevenson, United States and Ontario, United States.
Time Difference Between the Airports • - ONT
Time difference between
Stevenson (United States) and
Ontario (United States) is 3 Hours.
Ontario time is 3 Hours behind Stevenson.
| Location | Local Time |
| Stevenson (United States) | 2026-03-19, 09:04:18 EDT |
| Ontario (United States) | 2026-03-19, 06:04:18 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.