Distance From Lost Isle Seaplane Base to Ontario International Airport

The distance from Lost Isle Seaplane Base () to Ontario International Airport (ONT) is 348 miles or 560 kilometers or 302 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 Stockton ( United States ) to Ontario ( United States )?

A one-way nonstop (direct) flight between Stockton and Ontario takes around 0 hours 48 minutes.

Estimated flight time from Lost Isle Seaplane Base, Stockton, United States to Ontario International Airport, Ontario, United States is 0 hours 48 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		560 km
Statute Miles		348 miles
Nautical Miles		302 nm
Avg. Time of Flight		0 hours 48 minutes

Lost Isle Seaplane Base to Ontario International Airport Flight Route Map - to ONT Flight Path

Location of Lost Isle Seaplane Base & Ontario International Airport is given below.
Click the map to view Stockton to Ontario nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • - ONT

Time difference between Stockton (United States) and Ontario (United States) is 0 Hours.

Location	Local Time
Stockton (United States)	2025-12-16, 14:06:59 PST
Ontario (United States)	2025-12-16, 14:06:59 PST

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

Lost Isle Seaplane Base ( / S74) Stockton, United States

Destination

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