Distance From Bubovice Airfield to Ontario International Airport

The distance from Bubovice Airfield () to Ontario International Airport (ONT) is 5926 miles or 9537 kilometers or 5146 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 Bubovice ( Czech Republic ) to Ontario ( United States )?

A one-way nonstop (direct) flight between Bubovice and Ontario takes around 13 hours 37 minutes.

Estimated flight time from Bubovice Airfield, Bubovice, Czech Republic to Ontario International Airport, Ontario, United States is 13 hours 37 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		9537 km
Statute Miles		5926 miles
Nautical Miles		5146 nm
Avg. Time of Flight		13 hours 37 minutes

Bubovice Airfield to Ontario International Airport Flight Route Map - to ONT Flight Path

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

Click to see flight route on Google Map between Bubovice, Czech Republic and Ontario, United States. .

Nonstop flight route between Bubovice, Czech Republic and Ontario, United States.

Time Difference Between the Airports • - ONT

Time difference between Bubovice (Czech Republic) and Ontario (United States) is 9 Hours.
Ontario time is 9 Hours behind Bubovice.

Location	Local Time
Bubovice (Czech Republic)	2026-07-02, 03:46:21 CEST
Ontario (United States)	2026-07-01, 18:46:21 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

Bubovice Airfield ( / LKBU) Bubovice, Czech Republic

Destination

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