Distance From Stillwater Regional Airport to Ontario International Airport, SWO - ONT Distance

The distance from Stillwater Regional Airport (SWO) to Ontario International Airport (ONT) is 1167 miles or 1878 kilometers or 1013 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 Stillwater ( United States ) to Ontario ( United States )?

A one-way nonstop (direct) flight between Stillwater and Ontario takes around 2 hours 40 minutes.

Estimated flight time from Stillwater Regional Airport, Stillwater, United States to Ontario International Airport, Ontario, United States is 2 hours 40 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 • SWO - ONT

Kilometers		1878 km
Statute Miles		1167 miles
Nautical Miles		1013 nm
Avg. Time of Flight		2 hours 40 minutes

Stillwater Regional Airport to Ontario International Airport Flight Route Map - SWO to ONT Flight Path

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

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

Nonstop flight route between Stillwater, United States and Ontario, United States.

Time Difference Between the Airports • SWO - ONT

Time difference between Stillwater (United States) and Ontario (United States) is 1 Hours.
Ontario time is 1 Hours behind Stillwater.

Location	Local Time
Stillwater (United States)	2026-08-03, 06:46:15 MDT
Ontario (United States)	2026-08-03, 05:46:15 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

Stillwater Regional Airport (SWO / KSWO) Stillwater, United States

Destination

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